| blob | 16fadd2c5c2fca8d060217c0d6f84f09f6715b69 |
1 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3 * gimplify.c, sched-int.h: Fix comment typos.
5 * sched-int.h: Fix comment typos.
7 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
10 New macros.
11 * sched-ebb.c (begin_schedule_ready): Use them.
12 * haifa-sched.c (schedule_insn, move_insn, try_ready,
13 add_to_speculative_block, create_check_block_twin, speculate_insn,
14 fix_jump_move, move_block_after_check): Ditto.
15 * sched-rgn.c (new_ready): Ditto.
17 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
19 PR rtl-optimization/29128
20 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
21 * sched-ebb.c (advance_target_bb): Use it to fix condition to
22 allow interblock movement of speculation checks.
24 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
26 PR middle-end/29256
27 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
28 casted to integer type.
29 (get_address_cost): Decrease cost of [symbol + index] addressing modes
30 if they are significantly more expensive than [reg + index] ones.
32 2006-10-06 Jakub Jelinek <jakub@redhat.com>
34 PR tree-optimization/29330
35 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
36 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
37 on newly allocated ddrs.
38 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
39 to VEC (loop_p, heap) pointer.
40 (compute_data_dependences_for_loop): Adjust caller.
41 (free_dependence_relations): Free DDR_LOOP_NEST.
43 * tree-loop-linear.c (linear_transform_loops): Don't forget to
44 free DEPENDENCE_RELATIONS and DATAREFS.
46 PR target/28924
47 * builtins.c (expand_builtin_sync_operation,
48 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
49 Use convert_to_mode to handle promoted arguments.
51 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
53 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
55 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
57 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
59 2006-10-05 Uros Bizjak <uros@kss-loka.si>
61 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
62 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
63 Use <modeconstraint> instead of "r" as operand 1 constraint.
65 2006-10-06 Olivier Hainque <hainque@adacore.com>
67 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
68 Don't recurse on the pointed-to type.
69 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
70 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
71 types with components of variable size.
73 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
75 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
77 2006-10-06 Jakub Jelinek <jakub@redhat.com>
79 PR tree-optimization/29290
80 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
81 multiple exits.
83 PR target/29198
84 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
85 * config/i386/predicates.md (local_symbolic_operand): Likewise.
87 PR c/29091
88 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
89 the number of vector elements fill the rest with zeros.
91 2006-10-05 Richard Sandiford <richard@codesourcery.com>
93 * config/mips/mips.c (mips_pass_by_reference): Do not return false
94 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
95 instead.
97 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
99 * config/bfin/bfin.md (subsi3): Lose expander, change previously
100 unnamed pattern into subsi3. Use correct constraints/predicates.
101 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
102 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
104 2006-10-05 Ira Rosen <irar@il.ibm.com>
106 * doc/loop.texi: Add data references analysis description.
108 2006-10-04 Brooks Moses <bmoses@stanford.edu>
110 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
112 2006-10-04 Richard Henderson <rth@redhat.com>
113 Jakub Jelinek <jakub@redhat.com>
115 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
116 * builtin-types.def (BT_WORD): Make unsigned.
117 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
118 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
119 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
120 * c-decl.c (grokdeclarator): Don't error if !have_tls.
121 * c-parser.c (c_parser_omp_threadprivate): Likewise.
122 * cgraph.c (decide_is_variable_needed): Look at force_output.
123 Recurse for emulated tls.
124 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
125 checks redundant with decide_is_variable_needed.
126 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
127 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
128 emulated tls.
129 * expr.c (emutls_var_address): New.
130 (expand_expr_real_1): Expand emulated tls.
131 (expand_expr_addr_expr_1): Likewise.
132 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
133 * output.h (emutls_finish): Declare.
134 * toplev.c (compile_file): Call it.
135 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
136 address before wrapping in CONST.
137 * varasm.c (emutls_htab, emutls_object_type): New.
138 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
139 (get_emutls_object_name, get_emutls_object_type): New.
140 (get_emutls_init_templ_addr, emutls_decl): New.
141 (emutls_common_1, emutls_finish): New.
142 (assemble_variable): When emulating tls, swap decls; generate
143 constructor for the emutls objects.
144 (do_assemble_alias): When emulating tls, swap decl and target name.
145 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
146 for emulated tls.
147 * emutls.c: New file.
148 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
149 tls_object for real tls.
151 2006-10-04 Zack Weinberg <zackw@panix.com>
153 Fix bug in constraint-check generator, reported by Rask Ingemann
154 Lambertsen:
155 * genpreds.c (add_constraint): Don't remove anything from the
156 expression here.
157 (write_tm_constrs_h): Detect whether "op" argument is used, and
158 mark it ARG_UNUSED if it isn't.
159 (write_insn_const_int_ok_for_constraint): Skip the part of the
160 expression that would test whether "op" (which is not available
161 here) is a CONST_INT.
163 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
165 PR c++/28448
166 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
168 2006-10-03 Geoffrey Keating <geoffk@apple.com>
170 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
171 current Leopard versions.
172 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
174 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
176 * doc/install.texi: Fix typos.
178 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
180 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
181 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
182 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
184 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
186 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
187 arg to be struct mach_header_64* instead.
189 2006-10-02 Jakub Jelinek <jakub@redhat.com>
191 PR c/29154
192 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
193 side effects after the outer expression's post side effects.
195 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
197 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
198 comments to reflect actual behavior and relationship between
199 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
201 * doc/c-tree.texi (Working with declarations): Fix documentation
202 of FIELD_DECL likewise.
204 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
206 PR c/20533
207 * doc/extend.texi: Add used variable attribute description.
209 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
211 PR c/24010
212 * c.opt (Woverride-init): New.
213 * c-opts.c (c_common_post_options): Default warn_override_init to
214 extra_warnings.
215 * c-typeck.c (add_pending_init, output_init_element): Warn for
216 overriding initializers without side effects.
217 * doc/invoke.texi (-Woverride-init): Document.
218 (-Wextra): Update.
220 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
222 PR rtl-optimization/28096
223 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
224 assignment has already been used as a destination earlier in the block.
226 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
228 * builtins.c (expand_builtin_setjmp): Delete.
229 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
230 <BUILT_IN_SETJMP_SETUP>: New case.
231 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
232 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
233 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
234 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
235 (BUILT_IN_SETJMP_RECEIVER): Likewise.
236 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
237 (lower_function_body): Initialize it to false. If it is set to true
238 at the end of the processing, emit the setjmp dispatcher.
239 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
240 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
241 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
242 on the rhs of the assignment.
243 (lower_builtin_setjmp): New function.
244 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
245 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
246 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
247 to detect calls that can go to non-local labels. Use specific
248 helper to create the abnormal edges associated with them.
249 <MODIFY_EXPR>: Likewise.
250 (make_abnormal_goto_edges): New function extracted from...
251 (make_goto_expr_edges): ...here. Call it for computed gotos.
252 (simple_goto_p): Minor tweak.
253 (tree_can_make_abnormal_goto): New predicate.
254 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
255 (tree_purge_dead_abnormal_call_edges): New function.
256 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
257 (tree_purge_dead_abnormal_call_edges): Likewise.
258 (make_abnormal_goto_edges): Likewise.
259 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
260 Purge all dead abnormal edges if the call was in the last statement.
261 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
262 (execute_fixup_cfg): If there are non-local labels in the function,
263 scan the basic blocks and split them at calls that can go to non-local
264 labels or add missing abnormal call edges. Write down the CFG in the
265 dump file.
266 (pass_fixup_cfg): Remove TODO_dump_func flag.
267 * unwind-sjlj.c: Poison setjmp.
268 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
269 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
270 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
271 (DONT_USE_BUILTIN_SETJMP): Document it.
273 2006-09-28 Geoffrey Keating <geoffk@apple.com>
275 PR target/28617
276 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
277 to 1 when __ppc64__ is defined.
278 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
279 darwin-64.c.
280 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
282 2006-09-28 Steve Ellcey <sje@cup.hp.com>
284 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
285 * config/ia64/unwind-hpux.c: Delete.
287 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
289 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
290 on the element before gimplifying it, instead of punting if it is of
291 variable size.
293 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
295 * doc/loop.texi: New file.
296 * doc/gccint.texi: Reference loop.texi.
297 * Makefile.in (loop.texi): Add.
299 2006-09-27 Geoffrey Keating <geoffk@apple.com>
301 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
302 __sysctl.
303 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
304 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
306 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
308 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
310 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
312 * doc/install.texi: Document required versions of GMP and MPFR.
314 2006-09-27 Paul Brook <paul@codesourcery.com>
316 PR target/29230
317 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
319 2006-09-27 Richard Sandiford <richard@codesourcery.com>
321 * reload1.c (alter_reg): Require the alignment of the stack slot to
322 be at least reg_max_ref_width bytes.
323 (scan_paradoxical_subregs): Record the largest width in
324 reg_max_ref_width.
326 2006-09-26 Jakub Jelinek <jakub@redhat.com>
328 PR middle-end/25261
329 PR middle-end/28790
330 * tree-nested.c (struct nesting_info): Added static_chain_added.
331 (convert_call_expr): Set static_chain_added when adding static
332 chain. Handle OMP_PARALLEL and OMP_SECTION.
334 2006-09-25 Matthias Klose <doko@debian.org>
336 * doc/invoke.texi: Add missing full stop.
338 2006-09-25 Richard Henderson <rth@redhat.com>
340 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
341 before cgraph_function_flags_ready.
343 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
344 Adam Nemet <anemet@caviumnetworks.com>
346 * tree-ssa-loop-ivopts.c (aff_combination_convert,
347 determine_common_wider_type): New functions.
348 (get_computation_aff): Use them to simplify arithmetic between
349 UBASE and CBASE if they are shortened from the same type.
351 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
353 PR target/28911
354 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
355 -2147483647 - 1 instead of 0x80000000.
357 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
359 * flags.h (HONOR_NANS): Fix typo in comment.
361 2006-09-23 Uros Bizjak <uros@kss-loka.si>
363 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
365 2006-09-23 Jakub Jelinek <jakub@redhat.com>
367 PR c/28706
368 PR c/28712
369 * tree.c (merge_attributes, attribute_list_contained): If both
370 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
371 simple_cst_equal.
372 * c-typeck.c (comptypes_internal): Don't consider aggregates
373 in different TUs as compatible if there one set of attributes is
374 not a subset of the other type's attributes.
375 (composite_type): Try harder not to create a new aggregate type.
377 2006-09-22 Geoffrey Keating <geoffk@apple.com>
379 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
380 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
381 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
382 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
383 than replicating condition above.
384 * config.host (i[34567]86-*-*): Always use driver-i386.o.
386 * config/darwin.h (LINK_SYSROOT_SPEC): New.
387 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
388 the linker by default.
390 2006-09-22 Mike Stump <mrs@apple.com>
392 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
393 code.
395 2006-09-22 Richard Guenther <rguenther@suse.de>
397 PR middle-end/28964
398 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
399 sort of stack variables stable.
401 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
403 PR middle-end/28690
404 * explow.c (force_reg): Set REG_POINTER flag according to
405 MEM_POINTER flag.
407 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
409 PR tree-optimization/28888
410 * tree-if-conv.c (combine_blocks): Rewritten.
411 * tree-cfg.c (tree_verify_flow_info): Check that edges with
412 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
414 2006-09-22 Jakub Jelinek <jakub@redhat.com>
416 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
417 needed.
419 2006-09-21 Richard Sandiford <richard@codesourcery.com>
421 * varasm.c (copy_constant): Fix reversed gcc_assert check.
423 2006-09-21 Janis Johnson <janis187@us.ibm.com>
425 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
427 2006-09-21 Roger Sayle <roger@eyesopen.com>
429 PR debug/29132
430 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
431 dw_fde_current_label, to be the start of the function, i.e. the same
432 value as dw_fde_begin.
434 2006-09-20 Richard Sandiford <richard@codesourcery.com>
436 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
437 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
438 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
439 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
440 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
441 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
442 (abs<mode>2, neg<mode>2): Likewise.
443 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
444 (*mips_abs_ps): New define_insn.
446 2006-09-20 Josh Conner <jconner@apple.com>
448 PR middle-end/25505
449 * calls.c (expand_call): Allow reuse of structure return stack
450 temp.
452 2006-09-20 Paul Brook <paul@codesourcery.com>
454 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
455 positive offsets.
457 2006-09-20 Janis Johnson <janis187@us.ibm.com>
459 * doc/extend.texi (Decimal Float): Update for latest draft TR,
460 clean up terminology.
462 2006-09-20 Steve Ellcey <sje@cup.hp.com>
464 PR target/28574
465 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
466 with tablejumps in them.
468 2006-09-20 Jakub Jelinek <jakub@redhat.com>
470 PR middle-end/28046
471 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
472 wrap it into TARGET_EXPR.
474 2006-09-20 Eric Christopher <echristo@apple.com>
476 * config/i386/i386.c (x86_fisttp): Remove.
477 * config/i386/i386.h (x86_fisttp): Ditto.
478 (TARGET_FISTTP): Ditto.
480 2006-09-19 Eric Christopher <echristo@apple.com>
482 * doc/tm.texi (OBJC_JBLEN): Describe.
483 * config/i386/darwin.h (OBJC_JBLEN): Define.
484 * config/rs6000/darwin.h: Ditto.
486 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
488 PR rtl-optimization/21299
489 * reload1.c (reload): Purge invalid ASMs in the final pass.
491 2006-09-19 Steve Ellcey <sje@cup.hp.com>
493 PR 28490
494 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
495 pointers as legitimate constants.
497 2006-09-19 Paul Brook <paul@codesourcery.com>
499 PR target/28516
500 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
502 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
504 PR tree-optimization/28887
505 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
506 component parts from the reference.
507 (gather_memory_references_ref): Record the reference without the
508 nonaddressable component parts.
510 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
512 PR c/25993
513 * c-opts.c (c_common_handle_option): Ignore the -std options
514 if the input language is assembly.
516 2006-09-17 Ira Rosen <irar@il.ibm.com>
518 PR tree-opt/21591
519 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
520 tag first.
521 (ptr_ptr_may_alias_p): Likewise.
522 (record_record_differ_p): New function.
523 (base_object_differ_p): Call record_record_differ_p.
525 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
527 PR tree-opt/29059
528 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
529 away for the expr argument.
531 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
533 PR tree-opt/27742
534 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
535 before using it for dumping after vectorizing loops.
537 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
538 Jack Howarth <howarth@bromo.med.uc.edu>
540 PR target/29030
541 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
542 skip on error_mark_node.
543 (rs6000_darwin64_record_arg_recurse): Likewise.
545 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
547 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
548 * doc/rtl.texi: Remove related documentation.
550 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
552 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
553 printf.
555 2006-09-15 Jim Wilson <wilson@specifix.com>
557 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
558 Handle symbol offsets same as they are handled in ia64_expand_move
559 and move_operand.
561 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
563 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
564 Add forgotten parameter to the fprintf call.
566 2006-09-15 Steve Ellcey <sje@cup.hp.com>
568 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
570 2006-09-15 Uros Bizjak <uros@kss-loka.si>
572 * doc/contrib.texi: Add my entry.
574 2006-09-15 Nick Clifton <nickc@redhat.com>
576 * doc/md.texi (Processor pipeline description): Fix typo in
577 example of how to use the absence_set directive and reword the
578 description to make it slightly easier to read.
580 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
582 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
583 * loop-doloop.c (doloop_optimize): Use it to limit costs of
584 expanding the number of iterations.
585 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
587 * cfgrtl.c (emit_insn_at_entry): New function.
588 * rtl.h (emit_insn_at_entry): Declare it.
589 * integrate.c (emit_initial_value_sets): Use it.
591 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
593 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
594 bad.
595 (struct loop_work and related VEC declarations): Delete.
596 (bfin_dump_loops): Print out new member bad.
597 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
598 (bfin_scan_loop): Don't recurse.
599 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
600 loops. No longer need to update outer loops if the current one is
601 found bad. Move some validitiy checks to bfin_discover_loop.
602 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
603 but changed not to check for nesting. Also changed to use the new bad
604 flag.
605 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
606 time. Use bitmap based test to discover loop nesting.
608 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
610 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
611 one line.
613 2006-09-14 Richard Guenther <rguenther@suse.de>
614 Kazu Hirata <kazu@codesourcery.com>
616 PR middle-end/28884.
617 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
618 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
619 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
620 with TARGET_FUNCTION_VALUE.
622 2006-09-14 Anatoly Sokolov <aesok@post.ru>
624 PR target/26504
625 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
627 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
629 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
630 of a RETURN_EXPR
632 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
634 PR debug/28980
635 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
636 FUNCTION_DECL.
638 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
640 * basic_block.h (bb_has_eh_pred): Fix comment.
642 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
644 * flow.c (calculate_global_regs_live): Invalidate eh registers
645 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
646 (propagate_block): Handle eh registers as if they were set at basic
647 block start.
648 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
649 registers.
650 * global.c (global_conflicts): Make eh registers to conflict with
651 pseudos live at basic block begin.
652 * basic_block.h (bb_has_eh_pred): New function.
654 2006-09-13 Richard Sandiford <richard@codesourcery.com>
656 PR rtl-optimization/28982
657 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
658 index of a PRE_MODIFY or POST_MODIFY address.
659 * reload1.c (inc_for_reload): Use find_replacement on the original
660 base and index registers.
662 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
664 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
665 for -Os. Update __m128 alignment requirement.
667 2006-09-13 Jan Hubicka <jh@suse.cz>
669 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
671 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
673 PR rtl-optimization/28243
674 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
675 the insn to which the note was originally attached.
677 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
678 Roger Sayle <roger@eyesopen.com>
680 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
681 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
682 on platforms that don't use dwarf for debug info.
684 2006-09-12 Jason Merrill <jason@redhat.com>
686 PR middle-end/28493
687 * builtins.c (expand_builtin_setjmp_receiver): Clobber
688 hard_frame_pointer_rtx after using it to update the frame pointer.
690 2006-09-12 Roger Sayle <roger@eyesopen.com>
692 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
693 (TARGET_ASM_CLOSE_PAREN): Likewise.
694 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
695 (TARGET_ASM_CLOSE_PAREN): Likewise.
697 2006-09-12 Roger Sayle <roger@eyesopen.com>
699 PR target/22223
700 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
701 frame information for frames larger than 512 Kbytes on Tru64 when
702 using the native assembler.
704 2006-09-12 Roger Sayle <roger@eyesopen.com>
706 PR middle-end/4520
707 PR bootstrap/28784
708 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
709 and symbols. Instead use the implementation from cse.c's hash_rtx.
711 2006-09-12 Jan Hubicka <jh@suse.cz>
713 PR rtl-optimization/28071
714 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
715 (vect_transform_loop): Likewise.
716 * tree-vectorizer.c (new_loop_vec_info): Likewise.
717 (new_loop_vec_info): Likewise.
718 (destroy_loop_vec_info): Likewise.
719 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
720 (create_stmt_ann): Likewise.
721 (create_tree_ann): Rename to ...
722 (create_tree_common_ann): ... this one; allocate only the common part
723 of annotations.
724 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
725 (get_value_handle): Likewise.
726 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
727 get_tree_common_ann.
728 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
729 (vinfo_for_stmt): Use stmt annotations.
730 * tree-flow.h (tree_ann_common_t): New type.
731 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
732 (tree_ann, get_tree_ann, create_tree_ann): New.
733 * tree-flow-inline.h (get_function_ann): Do more type checking.
734 (stmt_ann): Likewise.
735 (tree_ann): Rename to ...
736 (tree_common_ann): ... this one; return ony common_ann
737 (get_tree_ann): Rename to ...
738 (tree_common_ann): This one; return only common_ann.
739 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
740 of set_stmt_info.
742 2006-09-11 Geoffrey Keating <geoffk@apple.com>
744 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
745 with_cpu by default.
747 * dwarf2out.c (dwarf_file_data): New.
748 (enum dw_val_class): Add dw_val_class_file.
749 (struct dw_val_struct): Add val_file.
750 (file_table): Change to a hash table.
751 (file_table_emitted): Delete.
752 (file_table_last_lookup_index): Delete.
753 (emitcount): Delete.
754 (last_emitted_file): New.
755 (lookup_filename): Change prototype to return a struct dwarf_file_data.
756 (init_file_table): Delete.
757 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
758 (AT_addr): Add comment.
759 (add_AT_file): New.
760 (AT_file): New.
761 (get_AT_file): New.
762 (print_die): Handle dw_val_class_file.
763 (print_dwarf_line_table): Update for new file table structure.
764 (attr_checksum): Do checksum a filename.
765 (same_dw_val_p, same_attr_p): Do compare a filename.
766 (size_of_die): Handle dw_val_class_file.
767 (value_format): Likewise.
768 (output_die): Likewise. Also, call maybe_emit_file here.
769 (struct file_info): Constify filenames. Make file_idx a pointer
770 to a struct dwarf_file_data.
771 (struct dir_info): Constify directory names. Remove 'used' field.
772 (struct file_name_acquire_data): New.
773 (file_name_acquire): New.
774 (output_file_names): Modify to handle new file data structures.
775 (add_src_coords_attributes): Use add_AT_file.
776 (add_call_src_coords_attributes): Likewise.
777 (dwarf2out_imported_module_or_decl): Likewise.
778 (gen_subprogram_die): Modify for new file data structures.
779 (gen_variable_die): Likewise.
780 (file_table_eq): New.
781 (file_table_hash): New.
782 (file_table_last_lookup): New.
783 (lookup_filename): Rewrite to handle new file data structures.
784 (maybe_emit_file): Rewrite to handle new file data structures.
785 (dwarf2out_source_line): Always call lookup_filename and
786 maybe_emit_file.
787 (dwarf2out_init): Create file_table here.
788 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
789 (file_table_relative_p): New.
790 (dwarf2out_finish): Change detection of relative filenames
791 to work with new file data structures. Move output_line_info call
792 after debug_info output.
794 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
796 PR target/13685
797 PR target/27537
798 PR target/28621
799 * config/i386/i386.c (override_options): Always default to 16
800 byte stack boundary.
802 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
804 PR target/28672
805 * var-tracking.c (dump_dataflow_set): Start dumping at
806 register zero.
807 (clobber_variable_part): Kill only the variable part in
808 registers holding it, leaving other variables alone.
810 2006-09-11 Josh Triplett <josh@freedesktop.org>
812 * doc/extend.texi (Other Builtins): Actually use the macro
813 argument in the documentation example for
814 __builtin_types_compatible_p.
816 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
818 PR rtl-optimization/28726
819 * sched-deps.c (sched_analyze_reg): New function extracted from...
820 (sched_analyze_1): ...here. Call it to analyze references to
821 registers. Treat again writes to a stack register as writing to the
822 register.
823 (sched_analyze_2): ...and here. Call it to analyze references to
824 registers. Treat again reads of a stack register as reading the
825 register.
827 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
828 David Edelsohn <edelsohn@gnu.org>
830 PR target/27287
831 * config/rs6000/spe.md (frob_df_di): Remove %H.
832 (frob_di_df): Remove %H. Change evmergelo to mr.
833 (frob_di_df_2): Remove %H. Change evldd to two loads.
835 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
837 * doc/cpp.texi: Fix names of charset options.
839 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
841 PR target/29009
842 * config/i386/i386.c (override_options): Use 128-bit
843 stack boundary always for 64bits.
845 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
847 PR rtl-optimization/28636
848 * combine.c (force_to_mode): Test for side-effects before
849 substituting by zero.
850 (simplify_shift_const): Likewise for zero or other constants.
852 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
854 PR middle-end/26983
855 * builtins.c (expand_builtin_setjmp): Force next_lab to be
856 preserved.
858 2006-09-10 Richard Sandiford <richard@codesourcery.com>
860 PR target/29006
861 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
862 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
863 returned by mode_for_size, rather than the mode of src itself,
864 to choose between 32-bit and 64-bit patterns.
865 (mips_mem_fits_mode_p): New function.
866 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
867 that the size of the source matches the size of the destination.
868 (mov_<store>l, mov_<store>r): Likewise.
870 2006-09-10 Eric Christopher <echristo@apple.com>
872 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
873 for literal16.
875 2006-09-09 Eric Christopher <echristo@apple.com>
877 PR target/28995
878 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
879 for literal16.
881 2006-09-09 Roger Sayle <roger@eyesopen.com>
882 Nicolas Setton <setton@adacore.com>
884 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
886 2006-09-10 Andreas Schwab <schwab@suse.de>
888 * config/m68k/m68k.md (bungt_rev): New pattern.
890 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
891 Dale Johannesen <dalej@apple.com>
893 PR target/26778
894 * regclass.c (struct reg_pref): Update documentation.
895 (regclass): Set prefclass to NO_REGS if memory is the best option.
896 (record_reg_classes): Cope with a prefclass set to NO_REGS.
898 2006-09-08 Eric Christopher <echristo@apple.com>
900 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
901 * config/t-slibgcc-darwin: Support x86_64 multilib.
902 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
903 Return 1 for x86_64-darwin.
904 * config/i386/t-darwin: Add m64 multilib.
905 (LIB2_SIDITI_CONV_FUNCS): Use.
906 (LIB2FUNCS_EXTRA): Ditto.
907 * config/i386/darwin.h: Support x86_64.
908 * config/i386/i386.c (override_options): Turn on flag_pic
909 for x86_64-darwin. Disable flag_omit_pointer.
910 (get_pc_thunk_name): Assert !TARGET_64BIT.
911 (legitimate_address_p): Disable machopic addressing for
912 x86_64.
913 (legitimize_pic_address): Ditto.
914 (ix86_expand_move): Ditto.
915 (ix86_expand_call): Ditto.
916 (machopic_output_stub): Ditto.
917 * config/darwin.c (machopic_select_section): Support literal16.
918 (machopic_select_rtx_section): Ditto.
919 * config/darwin-sections.def: Ditto.
920 * config/darwin-64.c: New.
922 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
924 PR c/28504
925 * c-tree.h (struct c_arg_info): Add pending_sizes.
926 * c-parser.c (c_parser_parms_declarator,
927 c_parser_parms_list_declarator): Initialize pending_sizes.
928 * c-decl.c (get_parm_info): Initialize pending_sizes.
929 (get_parm_info): Set pending_sizes.
930 (grokdeclarator): Call put_pending_sizes for parameters for
931 function definition only.
933 2006-09-07 Jason Merrill <jason@redhat.com>
935 PR middle-end/27724
936 * varasm.c (output_constant): Only strip actual no-op conversions.
938 PR target/13685
939 * config/i386/i386.c (override_options): Use 128-bit
940 stack boundary if -msse.
942 2006-09-07 Eric Christopher <echristo@apple.com>
944 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
945 comment.
946 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
947 Redefine.
949 2006-09-07 Geoffrey Keating <geoffk@apple.com>
951 * dwarf2out.c: Remove strange characters from comment above
952 dwarf2out_frame_debug_expr.
954 2006-09-07 Eric Christopher <echristo@apple.com>
956 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
957 * config/darwin.h: ... to here.
959 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
961 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
963 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
964 (TARGET_PARTIAL_FLAG_REG_STALL): New.
966 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
967 TARGET_PARTIAL_FLAG_REG_STALL.
968 (*ashldi3_cconly_rex64): Likewise.
969 (*ashlsi3_cmp): Likewise.
970 (*ashlsi3_cconly): Likewise.
971 (*ashlsi3_cmp_zext): Likewise.
972 (*ashlhi3_cmp): Likewise.
973 (*ashlhi3_cconly): Likewise.
974 (*ashlqi3_cmp): Likewise.
975 (*ashlqi3_cconly): Likewise.
976 (*ashrdi3_cmp_rex64): Likewise.
977 (*ashrdi3_cconly_rex64): Likewise.
978 (*ashrsi3_cmp): Likewise.
979 (*ashrsi3_cconly): Likewise.
980 (*ashrsi3_cmp_zext): Likewise.
981 (*ashrhi3_cmp): Likewise.
982 (*ashrhi3_cconly): Likewise.
983 (*ashrqi3_cmp): Likewise.
984 (*ashrqi3_cconly): Likewise.
985 (*lshrdi3_cmp_rex64): Likewise.
986 (*lshrdi3_cconly_rex64): Likewise.
987 (*lshrsi3_cmp): Likewise.
988 (*lshrsi3_cconly): Likewise.
989 (*lshrsi3_cmp_zext): Likewise.
990 (*lshrhi3_cmp): Likewise.
991 (*lshrhi3_cconly): Likewise.
992 (*lshrqi2_cmp): Likewise.
993 (*lshrqi2_cconly): Likewise.
995 2006-09-07 Uros Bizjak <uros@kss-loka.si>
997 PR target/28946
998 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
999 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1000 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1001 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1002 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1003 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1004 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1005 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1006 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1007 implement only CC setting effects of shift instructions.
1009 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1011 * doc/contrib.texi: Add myself.
1013 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1015 PR middle-end/28862
1016 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1017 was set by the user.
1019 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1021 PR target/27117
1022 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1023 (divsi_inv_m1): Use them.
1024 (UNSPEC_DIV_INV_TABLE): New constant.
1026 2006-09-06 James E Wilson <wilson@specifix.com>
1028 PR rtl-opt/27883
1029 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1030 then call count_or_remove_death_notes.
1032 2006-09-06 Jason Merrill <jason@redhat.com>
1034 PR c++/27371
1035 * tree-inline.c (copy_result_decl_to_var): New fn.
1036 (declare_return_variable): Use it. Call declare_inline_vars here.
1037 (expand_call_inline): Not here.
1039 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1041 * doc/contrib.texi: Update my entry.
1043 2006-09-06 Nick Clifton <nickc@redhat.com>
1045 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1047 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1049 PR tree-opt/28937
1050 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1051 (canonicalize_induction_variables): Likewise.
1052 (tree_unroll_loops_completely): Likewise.
1053 (tree_ssa_prefetch_arrays): Likewise.
1054 (remove_empty_loops): Likewise.
1055 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1056 TODO_cleanup_cfg instead of directly calling
1057 cleanup_tree_cfg_loop.
1058 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1059 Likewise.
1060 (tree_unroll_loops_completely): Likewise.
1061 (remove_empty_loops): Likewise.
1062 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1063 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1064 of tree_ssa_unswitch_loops.
1065 (tree_ssa_loop_ivcanon): Use the return value of
1066 canonicalize_induction_variables.
1067 (tree_ssa_empty_loop): Use the return value of
1068 remove_empty_loops.
1069 (tree_complete_unroll): Use the return value of
1070 tree_unroll_loops_completely.
1071 (tree_ssa_loop_prefetch): Use the return value of
1072 tree_ssa_prefetch_arrays.
1073 * passes.c (execute_todo): Before Cleanup CFG, set
1074 updating_used_alone and after cleanup CFG, call
1075 recalculate_used_alone.
1077 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1079 PR tree-opt/28952
1080 * tree-vect-transform.c (vectorizable_condition): Move the check
1081 for the type after the check for simple condition.
1083 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1084 Kaz Kojima <kkojima@gcc.gnu.org>
1086 PR target/28764
1087 * mode-switching.c (optimize_mode_switching): Make the destination
1088 block of an abnormal edge have no anticipatable mode. Don't
1089 insert mode switching code at the end of the source block of
1090 an abnormal edge.
1092 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1094 PR rtl-optimization/26847
1095 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1096 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1097 (simplify_plus_minus): Count n_constants while filling ops. Replace
1098 qsort with insertion sort. Before going through the array to simplify
1099 pairs, sort it. Delay early exit until after the first sort, exiting
1100 only if no swaps occurred. Simplify pairs in reversed order, without
1101 special-casing the first iteration. Pack ops after simplifying pairs.
1103 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1105 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1106 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1107 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1108 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1110 2006-09-05 Richard Guenther <rguenther@suse.de>
1112 PR tree-optimization/28900
1113 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1114 compound conditional before creating COND_EXPR condition.
1116 2006-09-05 Richard Guenther <rguenther@suse.de>
1118 PR tree-optimization/28905
1119 * tree-vrp.c (fix_equivalence_set): Manually implement
1120 !value_ranges_intersect_p to also handle symbolic ranges.
1122 2006-09-05 Richard Guenther <rguenther@suse.de>
1124 PR middle-end/28935
1125 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1126 of a COND_EXPR.
1128 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1130 PR rtl-optimization/27616
1131 * cse.c (table_size): New static variable.
1132 (new_basic_block): Initialize it to 0.
1133 (remove_from_table): Decrement it.
1134 (insert): Increment it.
1135 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1136 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1137 fold_rtx_mem_1 if under the cap.
1138 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1139 the lookup of the equivalent expression and test for equality of the
1140 first operand of the equivalent expression before in turn looking up
1141 an equivalent constant for the second operand.
1143 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1145 Revert this change:
1146 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1147 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1148 pointer, instead of assuming it is possible to derive the
1149 correct args size from a call insn.
1151 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1153 PR middle-end/27567
1154 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1155 (fold_builtin_mempcpy): Rename to...
1156 (fold_builtin_memory_op): ... this. Optimize one element copy
1157 into an assignment.
1158 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1159 functions.
1160 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1161 (expand_builtin_memcpy, expand_builtin_mempcpy,
1162 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1163 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1164 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1165 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1167 2006-09-01 DJ Delorie <dj@redhat.com>
1169 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1170 (stzx_16): Likewise.
1171 ("stzx_24_<mode>"): Likewise.
1172 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1173 ("cmp<mode>_op"): New.
1174 (cmp<mode>): Change to expander; just save operands.
1175 (b<code>_op): New.
1176 (b<code>): Change to expander, emit compare here.
1177 (s<code>_op): Change to use split and expander.
1178 (s<code>_24_op): Likewise.
1179 (s<code>_<mode>): New.
1180 (s<code>_<mode>_24): New.
1181 (movqicc_<code>_<mode): New.
1182 (movhicc_<code>_<mode>): New.
1183 (s<code>): New.
1184 (s<code>_24): New.
1185 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1186 (m32c_pend_compare): New.
1187 (m32c_unpend_compare): New.
1188 (m32c_expand_scc): New.
1189 (m32c_expand_movcc): Emit the compare also.
1190 * config/m32c/predicates.md (mra_nopp_operand): New.
1192 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1193 Richard Guenther <rguenther@suse.de>
1194 Adam Nemet <anemet@caviumnetworks.com>
1196 PR middle-end/27226
1197 * builtins.c (get_pointer_alignment): Handle more forms
1198 of base addresses that can be used to derive more precise
1199 information about alignment.
1201 2006-09-01 Jason Merrill <jason@redhat.com>
1203 PR c++/28899
1204 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1205 want_value.
1207 * gimplify.c (voidify_wrapper_expr): Handle null type.
1209 2006-09-01 Josh Conner <jconner@apple.com>
1211 PR c++/25505
1212 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1213 (execute_return_slot_opt): Use it.
1215 2006-08-31 Josh Conner <jconner@apple.com>
1217 PR c++/25505
1218 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1219 returning aggregates.
1221 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1223 PR tree-optimization/28839
1224 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1225 blocks in that phi arguments appear.
1227 2006-08-31 Roger Sayle <roger@eyesopen.com>
1229 PR other/22313
1230 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1231 NULL, otherwise use an advance_loc4 to adjust relative to the
1232 current label.
1233 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1234 (dwarf2out_switch_text_section): Reset the current label to avoid
1235 using advance_loc4 over section boundaries.
1237 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1239 PR target/24367
1240 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1241 r12 + SYMBOLIC_CONST.
1243 2006-08-30 Richard Guenther <rguenther@suse.de>
1245 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1247 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1249 PR rtl-optimization/27735
1250 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1251 Add new argument to keep track of whether an irreducible region
1252 was affected. All callers changed.
1253 (fix_irreducible_loops): Removed.
1254 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1255 flags were invalidated.
1257 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1259 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1260 instead of SF operands.
1261 (*fop_df_comm_sse): Likewise.
1262 (*fop_df_comm_i387): Likewise.
1263 (*fop_df_1_mixed): Likewise.
1264 (*fop_df_1_sse): Likewise.
1266 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1267 J"orn Rennecke <joern.rennecke@st.com>
1269 PR tree-optimization/17506
1270 * tree-ssa.c (warn_uninit): If warning about a location outside of
1271 the current function, note where the variable was declared.
1273 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1275 PR tree-optimization/28411
1276 * double-int.c (double_int_div): Use double_int_divmod.
1277 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1278 double_int_mod, double_int_smod, double_int_umod): New functions.
1279 * double-int.h (double_int_divmod, double_int_sdivmod,
1280 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1281 Declare.
1282 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1283 in double_int.
1284 (get_computation_aff, get_computation_cost_at): Handle double_int
1285 return type of constant_multiple_of.
1287 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1289 PR middle-end/26632
1290 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1291 an implicit conversion.
1293 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1295 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1297 2006-08-27 Roger Sayle <roger@eyesopen.com>
1299 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1300 x87 instructions.
1302 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1304 * config/i386/crtfastmath.c: Fix a comment typo.
1306 2006-08-26 Roger Sayle <roger@eyesopen.com>
1308 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1309 temporary visit flags on CASE_LABEL_EXPRs.
1310 * c-common.c (match_case_to_enum): Add function comment. Avoid
1311 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1312 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1313 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1314 a constant, only warn if that constant value isn't handled.
1316 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1318 PR c++/24009
1319 * input.h (restore_input_file_stack): Declare.
1320 (INPUT_FILE_STACK_BITS): Define.
1321 * toplev.c (fs_p, input_file_stack_history,
1322 input_file_stack_restored, restore_input_file_stack): New.
1323 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1324 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1325 (pop_srcloc): Don't free old state of stack.
1327 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1329 PR target/27544
1330 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1331 (PowerPC Type Attributes): New.
1333 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1335 * config/xtensa/xtensa.c (function_arg_boundary): New.
1336 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1337 STACK_BOUNDARY.
1338 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1339 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1341 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1343 PR middle-end/28683
1344 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1345 3 following insns.
1347 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1349 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1350 (verify_local_live_at_start): Likewise.
1352 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1354 PR c/27893
1355 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1356 omp_add_variable): Treat sizes as variable whenever not
1357 INTEGER_CST.
1359 2006-08-26 Richard Guenther <rguenther@suse.de>
1361 PR middle-end/28814
1362 * fold-const.c (fold_binary): Fold temporary to correct
1363 type before constructing new comparison.
1365 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1367 PR c/28418
1368 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1369 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1371 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1373 PR c/28299
1374 * c-decl.c (start_function): Don't try to process prototype
1375 information from old declaration that isn't a function.
1377 2006-08-25 Jan Hubicka <jh@suse.cz>
1379 PR target/28621
1380 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1382 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1384 PR target/27075
1385 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1386 for 8 byte objects.
1388 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1390 PR tree-optimization/16876
1391 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1392 exit if PARM doesn't match VALUE.
1394 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1396 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1397 literal_prefix directive.
1398 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1399 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1400 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1402 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1404 PR target/28753
1405 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1406 predicate to general_operand. Add 0->y and I->r alternatives.
1408 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1410 * doc/tm.texi: Fix a typo.
1411 * predict.c: Fix comment typos.
1413 2006-08-25 Nick Clifton <nickc@redhat.com>
1415 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1416 assertions of "cpu" and "machine".
1418 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1420 PR tree-opt/28807
1421 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1422 the access through a base which has an alias set of 0 cannot
1423 touch the variable.
1425 2006-08-24 Bill Wendling <wendling@apple.com>
1427 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1429 2006-08-24 Jan Hubicka <jh@suse.cz>
1431 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1433 2006-08-24 Jan Hubicka <jh@suse.cz>
1435 PR debug/26881
1436 * cgraph.c: Fix comments.
1437 (cgraph_varpool_mark_needed_node): Mark only variables not already
1438 output to file.
1439 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1440 (cgraph_varpool_assembled_nodes_queue): New static variable.
1441 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1442 (cgraph_varpool_output_debug_info): New function.
1443 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1444 * Makefile.in: Add gt-cgraphunit.h
1446 2006-08-24 Jan Hubicka <jh@suse.cz>
1448 * predict.c (probability_reliable_p): New predicate.
1449 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1450 (predict_loops): Do not predict loop exit with less than 2%
1451 probability.
1452 * basic-block.h (edge_probability_reliable_p,
1453 br_prob_note_reliable_p): Declare.
1454 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1455 prediction when static predictor is not reliable.
1456 * rs6000.c (output_cbranch): Likewise.
1458 2006-08-23 Stuart Hastings <stuart@apple.com>
1460 PR 28825
1461 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1462 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1464 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1466 PR debug/28692
1467 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1468 complex values, nor for generic vector values.
1470 2006-08-22 Richard Guenther <rguenther@suse.de>
1472 PR middle-end/28776
1473 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1474 parameter. Convert arguments to arithmetic expression to the
1475 chrecs type.
1476 (analyze_scalar_evolution_1): Adjust caller.
1478 2006-08-22 Jan Hubicka <jh@suse.cz>
1480 Patch by Paolo Bonzini
1481 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1482 my previous patch.
1484 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1486 PR tree-optimization/28003
1487 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1488 before grouping aliases.
1490 2006-08-22 Roger Sayle <roger@eyesopen.com>
1492 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1493 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1495 2006-08-21 Jason Merrill <jason@redhat.com>
1497 PR c++/27115
1498 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1499 wrapper. Loop to handle nested wrappers.
1500 (gimplify_bind_expr): Remove temp parameter.
1501 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1502 and STATEMENT_LIST on the rhs.
1503 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1504 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1505 (gimplify_target_expr): Remove special BIND_EXPR handling.
1507 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1509 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1510 #if !__SHMEDIA__ .
1512 2006-08-21 Olivier Hainque <hainque@adacore.com>
1514 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1515 Arrange for the temporary captures of components overlapping the lhs
1516 to happen before the lhs is possibly cleared.
1518 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1520 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1521 necessary places to pass the correct "number of registers" values
1522 to _Unwind_VRS_Pop.
1524 2006-08-20 Jan Hubicka <jh@suse.cz>
1526 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1527 (create_name_tags): Instead of quadratic checking use hashtable.
1528 * bitmap.h: Include hashtab.h.
1529 (bitmap_hash): Declare.
1530 * bitmap.c (bitmap_hash): New function.
1532 2006-08-20 Jan Hubicka <jh@suse.cz>
1534 PR rtl-optimization/28071
1535 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1536 twice.
1537 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1538 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1539 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1540 cgraph_decide_inlining_incrementally): Update use of
1541 cgraph_check_inline_limits.
1542 * cgraph.c (edge_hash, edge_eq): New function.
1543 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1544 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1545 cgraph_remove_node): Maintain call site hash.
1546 * cgraph.h (struct cgraph_node): Add call_site_hash.
1547 (cgraph_set_call_stmt): New function.
1549 2006-08-20 Jan Hubicka <jh@suse.cz>
1551 PR rtl-optimization/28071
1552 * reload1.c (reg_has_output_reload): Turn into regset.
1553 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1554 choose_reload_regs, emit_reload_insns): Update to new
1555 reg_has_output_reload.
1557 2006-08-20 Jan Hubicka <jh@suse.cz>
1559 PR middle-end/28779
1560 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1561 function body sizes.
1562 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1564 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1566 PR target/28648 c:
1567 * tree.c (handle_dll_attribute): Return early if not a
1568 var or function decl.
1570 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1572 PR target/27565
1573 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1574 alignment of SPE vector types.
1576 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1578 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1580 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1582 PR c/28744
1583 * cgraph.h (struct cgraph_node): Remove externally_visible
1584 bitfield.
1585 * cgraphunit.c (process_function_and_variable_attributes): Set
1586 local.externally_visible rather than externally_visible.
1588 PR c/28744
1589 * c-common.c (handle_externally_visible_attribute): First look
1590 at TREE_CODE and only if it is function or var decl, check for
1591 non-public objects. Don't warn for DECL_EXTERNAL.
1592 * cgraphunit.c (process_function_and_variable_attributes): Warn
1593 if externally_visible attribute is used on non-public object.
1595 2006-08-17 Jan Hubicka <jh@suse.cz>
1597 PR tree-optimization/27865
1598 * reload1.c (forget_marked_reloads): New function.
1599 (forget_old_reloads_1): When data are passed, just mark the registers
1600 for later removal.
1601 (reload_as_needed): Use the new mechanizm.
1603 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1605 PR target/28146
1606 * reload.h (reg_equiv_alt_mem_list): New declaration.
1607 * reload1.c (reg_equiv_alt_mem_list): New definition.
1608 (reload): Initialize it and release it.
1609 (delete_output_reload): Use it.
1610 * reload.c (push_reg_equiv_alt_mem): New function.
1611 (find_reloads_toplev): Call it.
1612 (find_reloads_address, find_reloads_address_1): Likewise.
1613 (find_reloads_subreg_address): Likewise.
1615 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1617 PR rtl-optimization/28489
1618 * sched-ebb.c (begin_schedule_ready): Create basic block
1619 at the right place.
1620 (advance_target_bb): Skip empty blocks.
1621 * haifa-sched.c (bb_note): Make global.
1622 * sched-int.h (bb_note): Add prototype.
1624 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1626 PR tree-optimization/27865
1627 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1628 for pointer types.
1629 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1630 fold_used_pointer, pointer_used_p): New functions.
1631 (analyze_scalar_evolution_1): Use fold_used_pointer.
1632 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1633 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1634 for pointers.
1636 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1638 PR c++/28573
1639 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1640 or the INTEGER_CST. Fail on a CALL_EXPR.
1641 (fold_offsetof): Pass new argument to fold_offsetof_1.
1642 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1643 operand into an INDIRECT_REF.
1644 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1646 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1648 PR gcov/profile/26570
1649 * value-prof.c (static_values): Removed.
1650 (tree_find_values_to_profile): Do not set static_values.
1651 (find_values_to_profile): Do not free static_values.
1652 * profile.c (instrument_values): Do not free the values.
1653 (branch_prob): Free the values.
1655 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1657 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1659 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1661 PR c/27697
1662 * c-typeck.c (build_component_ref): Combine qualifiers of
1663 structure or union and field.
1665 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1667 PR rtl-optimization/28071
1668 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1669 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1670 * tree-into-ssa.c (struct dom_dfsnum): New.
1671 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1672 functions.
1673 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1674 compute_global_livein.
1675 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1676 in phi nodes in the correct blocks.
1678 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1680 PR tree-optimization/28364
1681 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1682 correctly.
1683 (fold_affine_expr): New function.
1684 (may_eliminate_iv): Use fold_affine_expr.
1686 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1688 PR c/27489
1689 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1690 Clean up.
1692 2006-08-16 Mike Stump <mrs@apple.com>
1694 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1695 * doc/cppopts.texi (-MD): Likewise.
1697 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1699 PR c/28287
1700 * c-common.c (handle_weak_attribute): Ignore and warn if
1701 not a FUNCTION_ or VAR_DECL.
1703 2006-07-15 Mike Stump <mrs@apple.com>
1705 PR c/28280
1706 * c-parser.c (c_parser_typeof_specifier): Don't use
1707 c_finish_expr_stmt, open code desired semantics instead.
1709 2006-08-15 Nick Clifton <nickc@redhat.com>
1711 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1712 fragment to tmake_file only if threads are enabled.
1713 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1714 * config/i386/t-gthr-win32: New file. ... here.
1716 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1718 PR c/28649
1719 * c-parser.c (c_parser_compound_statement_nostart): Reset
1720 parser->error after each statement.
1722 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1724 PR middle-end/28713
1725 * omp-low.c (lower_omp_parallel): Convert t to
1726 receiver_decl's type.
1727 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1728 source before comparison.
1730 PR middle-end/28724
1731 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1732 to itype in assignment to oldival2.
1734 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1736 PR c/27490
1737 PR c/27489
1738 * c-typeck.c (build_compound_expr): If the second expression
1739 is an error mark, then just return an error mark instead of
1740 creating a COMPOUND_EXPR.
1742 2006-07-14 Mike Stump <mrs@apple.com>
1744 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1746 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1748 * c-decl.c, var-tracking.c: Fix comment typos.
1750 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1752 PR rtl-optimization/28634
1753 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1754 for floating-point modes unless flag_unsafe_math_optimizations.
1756 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1757 Andrew Pinski <pinskia@physics.uc.edu>
1759 PR c/27184
1760 * tree.c (build_array_type): Unify array types with
1761 unspecified index_type.
1762 * c-decl.c (grokdeclarator): Make sure we do not modify a
1763 unified incomplete array type.
1764 * c-typeck.c (store_init_value): Create distinct type before
1765 filling in the index type in an initializer from a compound
1766 literal.
1768 * c-decl.c (grokdeclarator): Remove code where we copy the
1769 array type over.
1771 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1773 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1774 into account for TODO_dump_cgraph.
1775 (TODO_update_ssa_no_phi): Likewise.
1776 (TODO_update_ssa_full_phi): Likewise.
1777 (TODO_update_ssa_only_virtuals): Likewise.
1778 (TODO_remove_unused_locals): Likewise.
1779 (TODO_set_props): Likewise.
1780 (TODO_update_stmt_usage): Likewise.
1782 2006-08-13 Dirk Mueller <dmueller@suse.de>
1784 * c-common.c (strict_aliasing_warning): Fix formatting.
1786 2006-08-13 Matthias Klose <doko@debian.org>
1788 * doc/invoke.texi: Fix spelling errors.
1790 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1792 PR rtl-optimization/23454
1793 * reorg.c (relax_delay_slots): Update comment.
1795 2006-08-11 Richard Guenther <rguenther@suse.de>
1797 PR middle-end/28651
1798 * simplify-rtx.c (simplify_const_relational_operation):
1799 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1800 codes.
1802 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1804 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1805 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1807 2006-08-10 Paul Brook <paul@codesourcery.com>
1809 * final.c (final_scan_insn): Clear current_insn_predicate before
1810 outputting inline asm.
1812 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1814 PR tree-optimization/26197
1815 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1816 get_ref_base_and_extent and overlap_subvar to add only relevant
1817 subvars as may-aliases.
1818 (add_may_alias_for_new_tag): New function, factored out of
1819 new_type_alias.
1820 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1821 with additional argument.
1822 * tree-flow.h (new_type_alias): Takes additional argument.
1824 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1826 * gcov.c (no_data_file): New flag.
1827 (read_count_file): Set it if data file not present. Assume counts
1828 zero if not found.
1829 (output_lines): Don't name the data file, if there wasn't one.
1831 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1833 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1834 (rs6000_generate_compare): Tweak comments.
1835 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1837 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1839 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1840 (var_debug_decl): New function.
1841 (var_reg_set): Follow debug decl link. Add location even if
1842 reg is already known to hold some other variable.
1843 (var_mem_set): Follow debug decl link.
1844 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1845 decl link. Delete other known locations of the variable part
1846 if requested.
1847 (var_reg_delete, var_mem_delete): Delete other known locations
1848 of the variable part if requested.
1849 (same_variable_part_p): New function.
1850 (add_stores): Select MO_COPY when appropriate.
1851 (vt_initialize): Handle it.
1852 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1853 known locations for MO_SET and MO_CLOBBER.
1854 (find_variable_location_part): New function.
1855 (set_variable_part, delete_variable_part): Use it.
1856 (clobber_variable_part): New function.
1857 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1858 decl link.
1860 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1862 PR tree-optimization/26969
1863 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1864 with an empty list of PHIs.
1866 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1868 PR target/27827
1870 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1871 instructions.
1873 2006-08-06 Andreas Schwab <schwab@suse.de>
1875 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1876 string. Whitespace and comment fixup.
1878 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1880 PR c/28502
1881 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1882 argument.
1884 PR c/27721
1885 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1887 PR c/28136
1888 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1890 2006-08-04 Jan Hubicka <jh@suse.cz>
1892 PR target/26655
1893 PR target/28270
1894 * reload.c (push_reload): Patch out the mismatching instruction;
1895 return early.
1896 (find_reload): Bail out if the instruction was patched out.
1898 2006-08-04 Jan Hubicka <jh@suse.cz>
1900 PR tree-optimization/24888
1901 * tree-inline.c (expand_call_inline): Do not re-record variables.
1902 (declare_inline_vars): Add variable to unexpanded_var_list.
1904 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1905 Roger Sayle <roger@eyesopen.com>
1907 PR rtl-optimization/26244
1908 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1909 inner_const are negative or greater than or equal to the bitsize of
1910 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1911 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1912 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1913 CONST0_RTX (mode) when the new shift count is greater than or equal to
1914 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1915 effects.
1917 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1919 * tree-cfg.c: Fix a comment typo.
1921 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1923 PR c++/28148
1924 * varasm.c (output_constant): Give the front end another chance to
1925 expand constants, after stripping NOPs.
1927 2006-08-03 Jan Hubicka <jh@suse.cz>
1929 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1930 implementation.
1932 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1934 PR tree-optimization/27770
1935 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1936 declaration removed (moved to tree-flow.h).
1937 (vect_can_force_dr_alignment_p): Likewise.
1938 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1939 (moved from tree-vectorizer.h).
1940 (vect_can_force_dr_alignment_p): Likewise.
1941 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1942 from outside the vectorizer - in particular from cgraph stage.
1943 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1944 the alignment of global arrays when -fsection-anchors is enabled.
1945 * cgraphunit.c (cgraph_increase_alignment): New function.
1946 (cgraph_optimize): Call cgraph_increase_alignment.
1948 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1950 PR target/27566
1951 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1952 not reload a SPE symbol_ref into a lo_sum address.
1954 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1956 PR debug/28063
1957 * dwarf2out.c (prune_unused_types_prune): Move call to
1958 prune_unused_types_update_strings to cover the parent DIE also.
1960 2006-08-02 Jan Hubicka <jh@suse.cz>
1962 PR gcov/profile/28480
1963 * tree-cfg.c (change_bb_for_stmt): New function.
1964 (tree_merge_blocks, tree_split_blocks): Use it.
1966 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1968 PR c++/28250
1969 PR c++/28257
1970 PR c++/28259
1971 PR c++/28267
1972 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1973 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1974 (cgraph_optimize): Likewise.
1976 2006-08-01 Stuart Hastings <stuart@apple.com>
1978 * rtl.h (UINTVAL) New.
1979 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1980 * testsuite/gcc.dg/20060801-1.c: New.
1982 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1984 PR debug/23336
1985 * c-typeck.c (build_external_type): Mark used enum types.
1986 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1987 cfun also.
1988 (gen_subprogram_die): Whitespace fix.
1990 2006-08-01 Jan Hubicka <jh@suse.cz>
1992 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1993 bitmap when not needed.
1994 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1995 bitmaps.
1997 2006-08-01 Dirk Mueller <dmueller@suse.de>
1999 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2001 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2003 * Makefile.in: Revert part of previous patch:
2004 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2005 and REGS_H.
2007 2006-07-30 Eric Christopher <echristo@apple.com>
2009 PR target/27543
2010 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2011 (PowerPC Variable Attributes): New section.
2013 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2015 PR target/28126 (partial fix)
2016 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2018 2006-07-28 Jan Hubicka <jh@suse.cz>
2020 PR rtl-optimization/28071
2021 * cfgrtl.c (rtl_delete_block): Free regsets.
2022 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2024 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2026 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2027 and variables used in dependencies.
2029 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2031 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2032 %fs for -mcmodel=kernel.
2033 (stack_tls_protect_test_di): Likewise.
2035 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2037 * Makefile.in: Use mkinstalldirs.
2039 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2041 PR driver/28437
2042 * opts-common.c (prune_options): Skip joined switches.
2044 2006-07-27 Jan Hubicka <jh@suse.cz>
2046 PR rtl-optimization/28071
2047 * cselib.c (cselib_process_insn): Don't remove useless values too
2048 often for very large hashtables.
2050 2006-07-27 Jan Hubicka <jh@suse.cz>
2052 PR rtl-optimization/28071
2053 * global.c (greg_obstack): New obstack.
2054 (allocate_bb_info): Use it.
2055 (free_bb_info): Likewise.
2056 (modify_reg_pav): Likewise.
2058 2006-07-27 Roger Sayle <roger@eyesopen.com>
2060 * builtins.c (fold_fixed_mathfn): When long and long long are the
2061 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2062 functions to their lceil*, lfloor*, lround* and lrint* forms.
2064 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2066 PR gcc/28508
2067 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2068 branch.
2069 (rev_branch_insn): Likewise.
2071 2006-07-27 Jan Hubicka <jh@suse.cz>
2073 PR rtl-optimization/28071
2074 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2075 (reg_set_in_bb, max_reg_computed): New static variables.
2076 (regmove_optimize): Free the new array.
2077 (fixup_match_1): Update call of reg_is_remote_constant_p.
2079 2006-07-26 Jan Hubicka <jh@suse.cz>
2081 PR tree-optimization/27882
2082 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2083 and decl fields.
2084 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2085 next pointer
2086 (cgraph_analyze_compilation_unit): Likewise.
2087 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2088 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2089 (cgraph_early_inlinine): Make order garbage collected.
2090 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2092 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2094 * dbxout.c (output_types_sort): Add a comment.
2095 (output_used_types): Free the VEC.
2097 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2099 * function.c (reorder_fix_fragments): Delete.
2100 (reorder_blocks): Don't call it.
2101 (reorder_blocks_1): Put all subblocks under the origin block.
2103 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2105 PR rtl-optimization/27907
2106 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2107 FLOAT_TRUNCATE.
2109 2006-07-25 Roger Sayle <roger@eyesopen.com>
2111 PR middle-end/28473
2112 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2113 bar(x) check that bar's result type can represent all the values of T.
2115 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2117 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2119 2006-07-25 Nick Clifton <nickc@redhat.com>
2121 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2122 size_lookup[] array.
2123 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2124 (ggc_pch_count_object): Likewise.
2125 (ggc_pch_alloc_object): Likewise.
2126 (ggc_pch_write_object): Likewise.
2127 (init_ggc): Do not attempt to initialize entries in the
2128 size_lookup[] array for objects whose size is greater than than
2129 the length of the array.
2131 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2133 * dbxout.c (output_used_types_helper): Push queued types
2134 on a VEC.
2135 (output_types_sort): New.
2136 (output_used_types): Collect used types on a VEC and sort them
2137 before emission.
2139 2006-07-24 Richard Guenther <rguenther@suse.de>
2141 PR middle-end/28463
2142 * cgraph.c (cgraph_remove_node): Do not check if dumps
2143 are enabled.
2144 * cgraphunit.c (cgraph_optimize): Likewise.
2146 2006-07-24 Jan Hubicka <jh@suse.cz>
2148 PR rtl-optimization/28071
2149 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2150 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2151 splitting before first stmt.
2153 2006-07-24 Jan Hubicka <jh@suse.cz>
2155 PR rtl-optimization/28071
2156 * ipa-inline.c (update_caller_keys): Remove edges that
2157 are no longer inline candidates.
2159 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2161 PR debug/27473
2162 * dbxout.c (output_used_types_helper, output_used_types): New.
2163 (dbxout_symbol): Call output_used_types.
2165 2006-07-23 Jan Hubicka <jh@suse.cz>
2167 PR c/25795
2168 PR c++/27369
2169 * cgraph.c (cgraph_varpool_nodes): Export.
2170 (decide_is_variable_needed): Ignored "used" attribute in
2171 unit-at-a-time mode.
2172 * cgraph.h (cgraph_varpool_nodes): Declare.
2173 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2174 unit-at-a-time mode.
2176 2006-07-23 Roger Sayle <roger@eyesopen.com>
2178 PR target/28247
2179 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2180 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2181 the __gthrw form of thr_keycreate.
2182 (__gthread_key_delete): Silence the unused argument warning.
2184 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2186 PR debug/25468
2187 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2188 Cache the last found '\0' marker to avoid quadratic behavior.
2190 2006-07-23 Jan Hubicka <jh@suse.cz>
2192 * i386.md (subsi_3_zext): Fix output template.
2194 2006-07-21 Mike Stump <mrs@apple.com>
2196 * doc/invoke.texi (C++ Dialect Options): Note that
2197 -fvisibility-inlines-hidden doesn't affect explicitly
2198 instantiationed inline methods.
2200 2006-07-20 Roger Sayle <roger@eyesopen.com>
2202 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2203 if the target assembler is GNU binutils' gas.
2204 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2205 whether to pass GNU gas or native as command line options.
2207 2006-07-20 Jason Merrill <jason@redhat.com>
2209 * tree.c (remove_attribute): New fn.
2210 * tree.h: Declare it.
2212 2006-07-20 Paul Brook <paul@codesourcery.com>
2214 PR 27363
2215 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2216 they are invalidated by this instruction.
2218 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2220 PR target/28427
2221 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2223 2006-07-20 Eric Christopher <echristo@apple.com>
2225 PR target/26877
2226 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2228 2006-07-19 Eric Christopher <echristo@apple.com>
2230 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2231 Rewrite dependencies for libgcc_s.1.dylib.
2233 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2235 * except.c (duplicate_eh_regions_1): Clear next_peer.
2237 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2239 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2240 -mlongcall does not guarantee all calls will be long.
2241 * doc/extend.texi (long_call/short_call): Document that longcall
2242 does not guarantee a long call will be used.
2243 (longcall/shortcall): Likewise.
2245 2006-07-18 Roger Sayle <roger@eyesopen.com>
2247 PR middle-end/28283
2248 * expmed.c (expand_shift): Additionally check that the shift_cost
2249 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2250 before implementing a LSHIFT_EXPR as a sequence of additions.
2251 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2252 middle-end that DImode shifts need to be synthesized by expand.
2254 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2256 PR 28410
2257 * tree-ssa-operands.c (access_can_touch_variable): Update
2258 comment.
2259 Return true if ALIAS is .GLOBAL_VAR.
2261 2006-07-18 David Daney <ddaney@avtrex.com>
2263 * gcc.c (display_help): Fix typo in help text.
2265 2006-07-18 Olivier Hainque <hainque@adacore.com>
2267 * tree.h (categorize_ctor_elements): Adjust prototype and add
2268 descriptive comment, both in accordance with the interface change
2269 described below.
2270 * varasm.c (constructor_static_from_elts_p): New function.
2271 Whether a constructor node is a valid static constant initializer
2272 if all its elements are.
2273 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2274 * output.h: Declare it.
2275 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2276 is a valid constant initializer instead of computing the number of
2277 non-constant elements. Use constructor_static_from_elts_p for this
2278 purpose. Replace the head comment with an indication that this is a
2279 helper for categorize_ctor_elements.
2280 (categorize_ctor_elements): Same interface change as for the _1
2281 helper. Former head comment from this helper moved here, adjusted to
2282 account for the interface changes.
2283 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2284 (all_zeros_p): Likewise.
2285 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2286 static versions of the constructor from the categorize_ctor_elements
2287 return value instead of the formerly computed number of non-constant
2288 elements.
2290 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2292 * configure: Regenerate.
2293 * Makefile.in (build_libsubdir): New configure substitution
2294 (build_libobjdir): New variable.
2295 (BUILD_LIBIBERTY): Use it.
2297 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2299 PR c/28286
2300 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2302 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2304 PR c/26993
2305 * c-common.c (handle_weakref_attribute): Ignore attribute in
2306 the same conditions the alias attribute is ignored.
2308 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2310 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2311 (dbxout_begin_prologue): Increment scope_labelno.
2313 2006-07-17 Richard Henderson <rth@redhat.com>
2315 PR 27889
2316 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2317 if needed.
2319 2006-07-17 Roger Sayle <roger@eyesopen.com>
2320 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2322 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2323 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2324 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2325 functions such as sbrk, write, etc.. Add function prototypes.
2326 Convert function declarations from K&R to ISO C. Cast pointers
2327 to "long" and "unsigned long" instead of "int" and "unsigned int".
2328 Convert tokens following #endif into comments.
2330 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2332 * invoke.texi: Remove mention of f77; Reformat table for
2333 inline parameter options correctly; mention that -malign-double
2334 is default on x86-64 targets.
2336 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2338 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2339 (convert_affine_scev, chrec_convert_aggressive): Use
2340 avoid_arithmetics_in_type_p. Do not check for the subtypes
2341 separately.
2343 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2345 PR middle-end/28403
2346 * optabs.c (expand_doubleword_shift): Wrap the call to
2347 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2349 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2351 PR middle-end/28402
2352 * optabs.c (expand_binop): Pass next_methods rather than methods
2353 to expand_doubleword_shift.
2355 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2357 PR other/28251
2358 * tree.h (dump_addr): Declare.
2359 * print-tree.c (dump_addr): New function.
2360 (print_node_brief, print_node): Use it.
2361 * print-rtl.c (print_rtx): Likewise.
2362 * common.opt (-fdump-noaddr): New option.
2363 * doc/invoke.texi (-fdump-noaddr): Document.
2364 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2365 (ve_info_hash): Likewise.
2367 2006-07-13 Andrew Haley <aph@redhat.com>
2369 PR tree-optimization/19505
2370 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2371 edge leaving this block, make sure that the destination of this
2372 block has only one predecessor.
2374 2006-07-17 Richard Guenther <rguenther@suse.de>
2376 PR tree-optimization/28238
2377 * tree-inline.c (copy_bb): Check if we produced valid
2378 gimple copying and substituting a stmt. If not, gimplify
2379 it.
2381 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2383 * optabs.c (maybe_encapsulate_block): New function extracted from...
2384 (emit_libcall_block): ...here. Invoke it on the block of insns to
2385 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2386 (emit_no_conflict_block): Likewise.
2388 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2390 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2392 2006-07-15 Roger Sayle <roger@eyesopen.com>
2394 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2395 a new NOP_EXPR case of the switch statement.
2397 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2399 PR middle-end/28160
2400 * stor-layout.c (place_field): Take the bit field with
2401 an excessive size into account in the ms-bitfiled case.
2403 PR middle-end/28161
2404 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2405 the previous bit field.
2407 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2409 PR target/27287
2410 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2412 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2414 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2415 signal frames correctly even when the signal was installed with
2416 sa_restorer set.
2418 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2420 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2421 (dbxout_function_end): Use local label LFBB. Remove hook
2422 DBX_OUTPUT_NFUN.
2423 (dbxout_source_line): Use local label LFBB.
2424 (dbxout_block): Likewise.
2425 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2426 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2427 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2428 and DBX_OUTPUT_NFUN.
2430 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2432 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2434 2006-07-13 Jan Hubicka <jh@suse.cz>
2436 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2437 align_variable.
2438 * output.h (align_variable): Declare.
2439 * varasm.c (align_variable): Export.
2440 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2441 when basic block changed.
2443 2006-07-13 Nick Clifton <nickc@redhat.com>
2445 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2446 walking the LOG_LINKS chain.
2448 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2450 * doc/invoke.texi (C++ Dialect Options): Explain difference
2451 between -fvisibility-inlines-hidden and setting hidden
2452 visibility explicitly.
2454 2006-07-12 Eric Christopher <echristo@apple.com>
2456 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2457 (stmp-lipo): Depend on libgcc.a.
2459 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2461 * tree.c: Fix a comment typo.
2463 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2465 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2466 dest.
2467 (umulhisi3_r): Likewise.
2469 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2471 PR libstdc++/27878
2472 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2473 x < 19, vs wchar_t support.
2475 2006-07-12 Nick Clifton <nickc@redhat.com>
2477 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2478 instead of -isa=sh4.
2480 2006-07-12 Mike Stump <mrs@apple.com>
2482 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2484 2006-07-10 Eric Christopher <echristo@apple.com>
2486 * config/t-slibgcc-darwin: Rewrite.
2488 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2490 PR bootstrap/20437
2491 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2492 dependencies.
2494 2006-07-08 Matthias Klose <doko@debian.org>
2496 * doc/sourcebuild.texi: Fix typo.
2498 2006-07-07 Mike Stump <mrs@apple.com>
2500 * toplev.c (process_options): Don't give -ffunction-sections may
2501 affect debugging warning for Mach-O.
2503 2006-07-07 James E Wilson <wilson@specifix.com>
2505 * config/mips/mips.md (cpu): Add sb1a.
2506 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2507 addition to sb1. Adjust comments to clarify SB-1A differences from
2508 SB-1.
2509 (ir_sb1a_load): New. Modify bypasses to use it.
2510 (ir_sb1a_simple_alu): Likewise.
2511 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2512 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2513 (mips_issue_rate): Add PROCESSOR_SB1A.
2514 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2515 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2516 (TARGET_SB1): Add PROCESSOR_SB1A check.
2517 (TUNE_SB1): Likewise.
2519 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2520 * config/mips/mips.c (mips_store_data_bypass_p): New.
2521 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2522 store_data_bypass_p.
2524 2006-07-08 Paul Brook <paul@codesourcery.com>
2526 PR target/27991
2527 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2529 2006-07-07 Richard Guenther <rguenther@suse.de>
2531 PR middle-end/28268
2532 * tree.h (build_one_cst): Declare.
2533 * tree.c (build_one_cst): New function.
2534 * tree-ssa-math-opts.c (get_constant_one): Remove.
2535 (insert_reciprocals): Use build_one_cst.
2536 * fold-const.c (fold_plusminus_mult): Likewise.
2538 2006-07-07 Roger Sayle <roger@eyesopen.com>
2540 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2541 * cfgloopanal.c (dump_graph): Likewise.
2542 * dojump.c (discard_pending_stack_adjust): Likewise.
2543 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2544 Likewise.
2545 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2546 * function.c (finalize_block_changes): Likewise.
2547 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2548 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2549 * rtl.c (dump_rtx_statistics): Likewise.
2550 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2551 Likewise.
2552 * varray.c (dump_varray_statistics): Likewise.
2553 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2554 decode_decimal64, encode_decimal128, decode_decimal128,
2555 decimal_real_to_decimal): Likewise.
2557 2006-07-07 Richard Guenther <rguenther@suse.de>
2559 PR tree-optimization/28187
2560 * tree-vrp.c (vrp_operand_equal_p): New function.
2561 (vrp_bitmap_equal_p): Likewise.
2562 (update_value_range): Use them to compare old and new
2563 max and min values.
2565 2006-07-06 Roger Sayle <roger@eyesopen.com>
2567 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2568 a default case to switch statement to silence compiler warnings.
2570 2006-07-06 Roger Sayle <roger@eyesopen.com>
2572 PR target/27968
2573 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2574 the configured assembler supports the x87's ffreep mnemonic.
2575 * configure: Regenerate.
2576 * config.in: Regenerate.
2578 * config/i386/i386.c (output_387_ffreep): New function.
2579 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2580 (output_387_reg_move): Likewise.
2582 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2584 Port to hosts whose 'sort' and 'tail' implementations
2585 treat operands with leading '+' as file names, as POSIX
2586 has required since 2001. However, make sure the code still
2587 works on pre-POSIX hosts.
2588 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2589 which says you should use "tail -c +N" rather than "tail +Nc".
2590 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2592 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2594 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2595 argument name.
2597 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2599 PR target/28150
2600 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2601 PRE_{INC,DEC} of TFmode.
2603 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2604 Alan Modra <amodra@bigpond.net.au>
2606 PR target/28170
2607 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2608 bounds. Simplify.
2610 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2612 PR target/28285
2613 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2614 Remove duplicate gtu.
2616 2006-07-05 Jason Merrill <jason@redhat.com>
2618 PR c++/13983
2619 PR c++/17519
2620 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2621 * c-common.c (handle_packed_attribute): So don't copy it here.
2622 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2624 2006-07-05 Mike Stump <mrs@apple.com>
2626 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2628 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2630 PR target/26146
2631 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2633 2006-07-05 Richard Guenther <rguenther@suse.de>
2635 PR target/28158
2636 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2637 TARGET_SSE2 targets if using SSE math.
2638 (*absdf2_1): Likewise.
2640 2006-07-05 Richard Guenther <rguenther@suse.de>
2642 PR tree-optimization/28162
2643 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2644 make sure to convert the operands to the correct type.
2646 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2648 PR tree-optimization/28218
2650 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2651 to calculate and free the dominator information.
2653 2006-07-04 Peter O'Gorman <peter@pogma.com>
2655 * mklibgcc.in: chmod 644 before ranlib during install.
2657 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2658 J"orn Rennecke <joern.rennecke@st.com>
2660 * configure.ac (.eh_frame data check): Use diff -b.
2662 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2664 PR bootstrap/18058
2665 * Makefile.in (BUILD_RTL): Add build/vec.o.
2666 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2667 (build/genextract): Delete.
2668 (build/genautomata): Likewise.
2670 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2672 PR target/28207
2673 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2674 128-bit IBM long doubles for ABI_V4.
2676 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2678 * tree.c (range_in_array_bounds_p): New predicate.
2679 * tree.h (range_in_array_bounds_p): Declare it.
2680 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2681 return a less conservative answer.
2682 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2683 and flag 'is_group'.
2684 (IS_ELEMENT_FOR_GROUP): New macro.
2685 (FOR_EACH_ACTUAL_CHILD): Likewise.
2686 (next_child_for_group): New helper function.
2687 (can_completely_scalarize_p): Take into account groups.
2688 (sra_hash_tree): Handle RANGE_EXPR.
2689 (sra_elt_eq): Likewise.
2690 (lookup_element): Be prepared for handling groups.
2691 (is_valid_const_index): Delete.
2692 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2693 instead of is_valid_const_index.
2694 <ARRAY_RANGE_REF>: New case.
2695 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2696 is_valid_const_index.
2697 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2698 (scan_dump): Dump info for groups too.
2699 (decide_instantiation_1): Likewise.
2700 (decide_block_copy): Assert that the element is not a group.
2701 Propagate decision to groups.
2702 (generate_one_element_ref): Handle RANGE_EXPR.
2703 (mark_no_warning): Iterate over actual childs.
2704 (generate_copy_inout): Likewise.
2705 (generate_element_copy): Likewise.
2706 (generate_element_zero): Likewise.
2707 (generate_element_init_1): Likewise.
2708 (dump_sra_elt_name): Handle RANGE_EXPR.
2710 2006-07-03 Roger Sayle <roger@eyesopen.com>
2712 PR tree-optimization/26251
2713 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2714 (thread_block): When optimizing for size refuse to thread jumps
2715 that would require duplication of blocks other than redirection
2716 blocks.
2718 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2720 * configure.ac: Fix thinko in previous check-in.
2721 * configure: Regenerate.
2723 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2725 PR other/27063
2726 * configure.ac (for lang...): Simplify nesting of conditionals.
2727 Test subdir_requires for non-enabled languages. Move processing
2728 of lang_opt_files and lang_tree_fiels below that test.
2729 * configure: Regenerate.
2730 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2732 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2734 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2736 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2738 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2739 comment typos.
2741 2006-06-29 Jason Merrill <jason@redhat.com>
2743 PR c++/26905
2744 PR c++/26612
2745 PR c++/27000
2746 PR c++/26984
2747 PR c++/19134
2748 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2749 * c-common.c (c_determine_visibility): Handle it here.
2750 * c-decl.c (finish_decl): Call c_determine_visibility for
2751 functions, too.
2752 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2753 * tree.h: Likewise.
2754 * varasm.c (default_assemble_visibility): Likewise.
2755 * c-common.c (handle_visibility_attribute): Complain about trying
2756 to give visibility to an already defined class, or trying to change
2757 declared visibility. Always attach the attribute.
2759 PR c++/26905
2760 PR c++/21675
2761 PR c++/17470
2762 * attribs.c (decl_attributes): Ignore type-in-place attributes
2763 once the type has been defined.
2765 2006-06-29 Roger Sayle <roger@eyesopen.com>
2767 PR middle-end/27428
2768 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2769 to indicate the cpplib has issued an error message for us.
2771 2006-06-29 Asher Langton <langton2@llnl.gov>
2773 PR target/25765
2774 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2775 insert a label at the end of an function under Mach-O.
2777 2006-06-29 Eric Christopher <echristo@apple.com>
2778 Evan Cheng <evan.cheng@apple.com>
2780 * predicates.md (vector_all_ones_operand): New.
2781 (nonimmediate_or_sse_const_operand): Ditto.
2782 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2783 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2784 (standard_sse_mode_p): Ditto.
2785 (standard_sse_constant_p): Add case for -1 vector.
2786 (ix86_expand_vector_move): Try to use.
2787 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2788 Call standard_sse_constant_opcode.
2789 (*movv4sf_internal): Ditto.
2790 (*movv2df_internal): Ditto.
2792 2006-06-29 Roger Sayle <roger@eyesopen.com>
2794 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2795 of XEXP to extract the operands of a MATCH_CODE rtx.
2797 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2799 * tree.c (tree_size): Do not waste tail padding in
2800 struct tree_string and make the size be the same as
2801 build_string will generate.
2803 2006-06-28 Jason Merrill <jason@redhat.com>
2805 PR c++/27768
2806 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2807 may_aliases already in the tag's annotations to the bitmap.
2809 2006-06-28 Roger Sayle <roger@eyesopen.com>
2811 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2813 2006-06-28 Roger Sayle <roger@eyesopen.com>
2815 * genpreds.c (generate_switch_p): New function.
2816 (add_mode_tests): Push the new mode test down inside an AND expr
2817 if this allows the switch-suitable MATCH_CODE to be near the root.
2818 (write_match_code_switch): New function to write a MATCH_CODE as
2819 a switch statement.
2820 (write_predicate_stmts): New function to write a predicate RTX
2821 expression as a sequence of statements.
2822 (write_one_predicate_function): Use write_predicate_stmts.
2823 (write_tm_constrs_h): Likewise.
2825 2006-06-26 Fred Fish <fnf@specifix.com>
2827 * config/mips/t-sb1: New file.
2828 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2829 tmake_file list.
2831 2006-06-26 DJ Delorie <dj@redhat.com>
2833 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2835 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2836 Jayant Sonar <jayants@kpitcummins.com>
2837 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2839 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2840 (subsi3, subsi3_1, subsi3_2): New.
2841 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2842 * config/m32c/mov.md (SI mov peephole): New.
2843 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2844 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2846 2006-06-26 Olivier Hainque <hainque@adacore.com>
2848 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2849 a CALL_EXPR target function declaration.
2851 2006-06-26 Richard Guenther <rguenther@suse.de>
2853 * tree.c (build_string): Do not waste tail padding in
2854 struct tree_string.
2856 2006-06-26 Richard Guenther <rguenther@suse.de>
2858 * ggc-page.c (init_ggc): Add missing element to size_lookup
2859 table.
2861 Revert
2862 2006-06-23 Richard Guenther <rguenther@suse.de>
2864 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2865 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2866 alignment requests instead. Add verification code.
2867 Add struct tree_function_decl and struct tree_binfo size to
2868 extra_order_size_table. Add missing element to size_lookup
2869 table.
2871 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2873 PR middle-end/28151
2874 * fold-const.c (const_binop): Be prepared for self returning zero.
2875 Simplify code handling complex values.
2877 2006-06-24 Olivier Hainque <hainque@adacore.com>
2879 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2880 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2881 aggregate types.
2883 2006-06-24 Olivier Hainque <hainque@adacore.com>
2885 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2886 ARRAY_REF, so have the callback called for the low bound expression.
2888 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2890 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2891 * c-typeck.c (c_common_type): Disallow operations on decimal float
2892 types and other float types.
2893 * convert.c (convert_to_real): Don't ignore conversions involving
2894 decimal float types.
2896 2006-06-23 Olivier Hainque <hainque@adacore.com>
2898 * tree.c (max_int_size_in_bytes): New function, inspired from
2899 code in function.c:assign_temp.
2900 * tree.h (max_int_size_in_bytes): Declare.
2901 * function.c (assign_temp): Use it.
2902 * gimplify.c (create_tmp_var): Relax the assertions on the type
2903 properties, not mandating constant size any more.
2904 (force_constant_size): New static function.
2905 (gimple_add_tmp_var): Use it, forcing variable size to a
2906 constant upper bound if it is not constant on entry.
2908 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2910 PR target/27789
2911 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2912 for initialization and setting of one_only flag to ...
2913 (i386_pe_encode_section_info): ...here.
2914 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2915 Recheck that the symbol has not been defined.
2917 2006-06-23 Richard Guenther <rguenther@suse.de>
2919 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2920 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2921 alignment requests instead. Add verification code.
2922 Add struct tree_function_decl and struct tree_binfo size to
2923 extra_order_size_table. Add missing element to size_lookup
2924 table.
2926 2006-06-22 Roger Sayle <roger@eyesopen.com>
2927 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2929 PR middle-end/28131
2930 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2931 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2933 2006-06-23 Ben Elliston <bje@au.ibm.com>
2935 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2936 negate dn -- manipulate it directly.
2938 2006-06-22 Roger Sayle <roger@eyesopen.com>
2939 Steven Bosscher <stevenb.gcc@gmail.com>
2941 PR target/27531
2942 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2943 generated by gen_move_insn to add REG_LABEL notes if necessary.
2945 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2947 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2948 (leaf_entry): Remove use of MIN_ESA.
2950 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2952 PR rtl-optimization/28121
2953 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2954 the entry edge.
2956 2006-06-21 DJ Delorie <dj@redhat.com>
2958 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2959 (TN-16C-A156A/E).
2960 (mulhisi3_r): Likewise.
2962 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2964 PR middle-end/28034
2965 * coverage.c (coverage_counter_alloc): Leave the index type
2966 unspecified.
2967 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2968 of the ARRAY_REF.
2970 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2972 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2973 section from the "Options for Code Generation Conventions".
2975 2006-06-21 Richard Henderson <rth@redhat.com>
2977 PR target/26347
2978 PR target/27082
2979 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2980 symbols.
2981 (global_symbolic_operand): Allow weak symbols, even if local_p.
2983 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2985 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2986 (find_interesting_uses_address): Punt if above function returns true.
2988 2006-06-21 Richard Guenther <rguenther@suse.de>
2990 * configure: Regenerated.
2992 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2994 * config/mips/mips.c (function_arg): Where one part of a
2995 complex argument is in registers and the other part in the stack,
2996 return a REG not a PARALLEL.
2998 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3000 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3001 when cross-compiling. Do not substitute libstdcxx_incdir.
3002 * configure: Regenerated.
3004 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3006 * varasm.c (mergeable_string_section): Check for embedded NULs and
3007 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3008 rather than TREE_STRING_LENGTH bytes.
3010 2006-06-21 Richard Guenther <rguenther@suse.de>
3012 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3013 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3014 sizes.
3016 2006-06-21 Richrad Guenther <rguenther@suse.de>
3018 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3019 Limit iteration over the dominators.
3021 2006-06-20 Roger Sayle <roger@eyesopen.com>
3023 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3024 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3026 2006-06-20 Richard Guenther <rguenther@suse.de>
3027 Michael Matz <matz@suse.de>
3029 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3030 function.
3031 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3032 * et-forest.h (et_free_pools): Prototype new function.
3033 * et-forest.c (et_free_tree_force): Free parent occurrence.
3034 (et_free_pools): New function.
3035 * dominance.c (free_dominance_info): Free et-forest alloc
3036 pools.
3038 2006-06-20 Roger Sayle <roger@eyesopen.com>
3040 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3041 integer modes, attempt to directly construct an integer constant.
3043 * fold-const.c (native_encode_vector): Determine the size of each
3044 element from the vector type instead of the first vector element.
3046 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3047 if all of its elements/components are constant.
3048 (build_constructor_from_list): Likewise.
3050 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3052 PR tree-optimization/27331
3053 * tree-data-ref.c (free_data_ref): New function.
3054 (create_data_ref): Fail if the data reference has unknown access
3055 function.
3056 (free_data_refs): Use free_data_ref.
3058 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3060 PR middle-end/28075
3061 * tree-inline.c (setup_one_parameter): Strip useless
3062 type conversion before adding it to the IR.
3063 (declare_return_variable): Likewise.
3065 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3067 PR c/27149
3068 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3070 2006-06-19 Mike Stump <mrs@apple.com>
3072 * tree.c (variably_modified_type_p): VM arguments don't make the
3073 type a VM type.
3075 2006-06-19 Richard Guenther <rguenther@suse.de>
3077 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3078 type conversions after folding.
3080 2006-06-19 Richard Guenther <rguenther@suse.de>
3082 * ggc-page.c (extra_order_size_tab): Add entries with
3083 size of struct function and basic_block.
3084 (size_lookup): Extend to cover sizes up to 511.
3085 (ggc_alloc_stat): Adjust user.
3086 (ggc_pch_count_object): Likewise.
3087 (ggc_pch_alloc_object): Likewise.
3088 (ggc_pch_write_object): Likewise.
3090 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3092 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3093 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3094 correctly.
3096 2006-06-19 Denis Chertykov <denisc@overta.ru>
3098 * config/avr/libgcc.S : Correct my wrong previous commit.
3100 2006-06-19 Roger Sayle <roger@eyesopen.com>
3102 PR target/27861
3103 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3104 have stripped a SUBREG from the shift count, so we may need to
3105 convert_to_mode back to the type's mode before calling make_tree.
3106 Use new_amount instead of amount to avoid expanding a tree twice.
3108 2006-06-19 Richard Guenther <rguenther@suse.de>
3110 PR middle-end/28045
3111 * fold-const.c (operand_equal_p): Check if the argument types
3112 have the same precision before stripping NOPs.
3114 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3116 Fix PR tree-optimization/27341
3117 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3118 statement we get.
3119 * tree-complex.c (pass_lower_complex): Update SMT usage.
3121 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3123 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3124 Add a new alternative to the constraint strings. Add move of
3125 operand 1 to 3 to the splitter definition.
3126 ("doloop_si_long"): Second contraint alternative removed.
3128 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3130 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3131 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3132 __AVR_HAVE_LPMX__.
3133 (AVR_HAVE_MOVW) Define.
3134 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3135 (ASM_SPEC): Add avr25.
3136 (LINK_SPEC): Add avr25.
3137 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3138 (base_arch_s): Add new member 'have_movw_lpmx'.
3139 (avr_arch_types): Init 'have_movw_lpmx'.
3140 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3141 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3142 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3143 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3144 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3145 AVR_HAVE_MOVW.
3146 (avr_file_start): Do not output '.arh' derective.
3147 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3148 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3149 * config/avr/avr.md (mcu_enhanced): Delete.
3150 (mcu_have_movw): Define.
3151 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3152 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3153 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3154 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3155 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3156 attiny861 and at86rf401 devices.
3158 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3160 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3161 of 4096.
3163 2006-06-17 Karl Berry <karl@gnu.org>
3165 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3166 doc/gccint.texi, doc/install.texi (@dircategory): Use
3167 "Software development" instead of "Programming", following
3168 the Free Software Directory.
3170 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3172 * config/i386/i386.c (legitimate_tls_address)
3173 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3174 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3175 (*tls_dynamic_gnu2_combine_64): Likewise.
3177 2006-06-16 Richard Guenther <rguenther@suse.de>
3179 PR middle-end/27116
3180 * fold-const.c (negate_expr_p): Do not introduce undefined
3181 overflow in negating INTEGER_CSTs.
3182 (fold_negate_expr): Rename from negate_expr. Revert last
3183 change for folding BIT_NOT_EXPR. Change semantics to
3184 return NULL_TREE for non-simplified negations. Do not
3185 strip type conversions and unify type handling.
3186 (negate_expr): New function, wrap around fold_negate_expr
3187 but ensure building a tree always. Strip type conversions
3188 here, fold to result type.
3189 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3191 2006-06-16 Roger Sayle <roger@eyesopen.com>
3193 PR middle-end/27802
3194 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3195 that (would) return their results in stack registers.
3197 2006-06-16 Michael Matz <matz@suse.de>
3198 Richard Guenther <rguenther@suse.de>
3200 * fold-const.c (fold_truthop): Only return new tree node if
3201 we canonicalized something.
3203 2006-06-16 Richard Guenther <rguenther@suse.de>
3205 * function.h (enum function_frequency): Move declaration
3206 out of struct function.
3207 (struct function): Move bool fields and the enum to the bitfield
3208 section. Reorder elements to avoid padding. Remove unused
3209 fields left over from the RTL inliner removal.
3210 * function.c (free_after_compilation): Do not zero removed fields.
3211 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3212 (ipa-type-escape.o): Likewise.
3214 2006-06-16 Richard Guenther <rguenther@suse.de>
3216 * cgraph.h (struct cgraph_local_info): Turn bool elements
3217 into a bitfield.
3218 (struct cgraph_node): Likewise.
3219 (struct cgraph_varpool_node): Likewise.
3221 2006-06-15 Richard Guenther <rguenther@suse.de>
3223 * fold-const.c (fold_truth_not_expr): Rename from
3224 invert_truthvalue. Give it fold_* semantics to avoid
3225 generating garbage.
3226 (invert_truthvalue): New function. Wrapper around
3227 fold_truth_not_expr.
3228 (optimize_minmax_comparison): Avoid creating garbage.
3229 (fold_unary): Use fold_truth_not_expr for folding
3230 TRUTH_NOT_EXPR.
3231 (fold_ternary): Replace uses of invert_truthvalue with
3232 fold_truth_not_expr where applicable.
3233 * tree.h (fold_truth_not_expr): Prototype.
3235 2006-06-16 Richard Guenther <rguenther@suse.de>
3237 PR tree-optimization/27781
3238 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3239 * ipa-pure-const.c (target.h): Include.
3240 (analyze_function): Do not analyze functions that do not
3241 bind locally.
3243 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3245 PR middle-end/27793
3246 * tree-dfa.c (referenced_vars_dup_list): Remove.
3247 (find_referenced_vars): Remove assert.
3248 (referenced_var_check_and_insert): Replace dup list with assert.
3249 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3250 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3252 2006-06-15 Richard Guenther <rguenther@suse.de>
3254 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3255 extra unused identifiers if not dumping.
3256 (create_variable_info_for): Likewise.
3258 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3260 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3261 (derive_constant_upper_bound): Derive more precise upper bound in
3262 common cases. Return type changed to double_int.
3263 (record_estimate): Reflect the changed return type of
3264 derive_constant_upper_bound.
3265 * double-int.c (double_int_zext, double_int_sext): Fix.
3267 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3269 * configure.ac (CFLAGS): Get them from the toplevel or from the
3270 configure invocation.
3271 * configure: Regenerate.
3272 * Makefile.in (CFLAGS): Substitute value provided by configure.
3274 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3276 PR c++/26559
3277 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3278 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3279 rather than calling add_stmt on it.
3280 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3282 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3284 PR middle-end/27959
3285 * reload1.c (reload): Remove registers returned by update_eliminables
3286 from used_spill_regs.
3288 2006-06-13 DJ Delorie <dj@redhat.com>
3290 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3292 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3294 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3295 html__strip_dir, html__mkdir_p. Enhance install-html target.
3296 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3297 * configure: Regenerate.
3299 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3301 * fold-const.c (fold_cond_expr_with_comparison): Check for
3302 Objective-C++ as language in deciding COND_EXPR transformation.
3304 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3306 PR target/28014:
3307 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3308 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3309 * config/sh/lib1funcs.h (SL, SL1): Define.
3310 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3311 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3312 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3313 (OBJS_Os_4_200): New variable.
3314 ($(T)libgcc-Os-4-200.a): Use it.
3315 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3316 when dividing 1 and/or by 0.
3318 2006-06-13 Roger Sayle <roger@eyesopen.com>
3320 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3321 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3322 * configure: Regenerate.
3324 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3326 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3327 for real instruction.
3329 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3331 PR middle-end/26807
3332 * haifa-sched.c (check_cfg): Handle special case.
3334 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3336 PR debug/26754
3337 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3338 Add debug_info parameter. Chain the vars to the BLOCK instead
3339 of the BIND_EXPR if debug info are requested for them.
3340 (pop_gimplify_context): Adjust for above change.
3341 (gimple_add_tmp_var): Likewise.
3342 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3343 Add bool parameter.
3344 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3345 (convert_local_reference): Likewise.
3346 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3347 (finalize_nesting_tree_1): Request that debug info be emitted
3348 for debug_var_chain.
3350 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3352 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3353 for PR target/27863.
3355 2006-06-13 Richard Guenther <rguenther@suse.de>
3357 PR middle-end/27536
3358 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3360 2006-06-13 Richard Guenther <rguenther@suse.de>
3362 PR tree-optimization/27830
3363 * tree-inline.c (copy_body_r): For copying the operand
3364 of an ADDR_EXPR make sure to fold &* afterwards.
3366 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3368 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3369 lvalues in the fb_none case with side-effects.
3371 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3373 * tree-flow.h: Remove the prototype for
3374 compute_phi_arg_on_exit.
3375 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3376 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3377 Remove.
3379 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3381 * builtins.c (expand_builtin_return_addr): Only use
3382 frame_pointer_rtx when count == 0 and we are expanding
3383 __builtin_return_address.
3385 2006-06-12 Fred Fish <fnf@specifix.com>
3387 * config/mips/mips.c (mips_file_start): Create special section
3388 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3390 2006-06-11 Eric Christopher <echristo@apple.com>
3392 PR middle-end/27948
3393 * stor-layout.c (place_field): Remove check for
3394 remaining_in_alignment when aligning at the end of a run.
3396 2006-06-11 Eric Christopher <echristo@apple.com>
3398 PR 27542
3399 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3400 pragma.
3402 2006-06-11 Roger Sayle <roger@eyesopen.com>
3404 PR target/27858
3405 Revert incorrect fix for PR target/27158
3406 2006-05-08 Roger Sayle <roger@eyesopen.com>
3407 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3408 of a reg_equiv_constant if the result is a legitimate constant.
3410 2006-06-11 Roger Sayle <roger@eyesopen.com>
3412 PR target/27158
3413 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3414 extract a CONST_VECTOR element and interpret it as an integer.
3415 (vspltis_constant): Use const_vector_elt_as_int instead of the
3416 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3417 * config/rs6000/predicates.md (easy_vector_const): Consider
3418 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3420 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3422 PR middle-end/27942
3423 * stor-layout.c (update_alignment_for_field): Don't add extra
3424 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3425 code.
3427 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3429 * config/mips/t-rtems: Add EL/EB multilib variants.
3431 2006-06-09 Mike Stump <mrs@apple.com>
3433 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3435 2006-06-09 David Daney <ddaney@avtrex.com>
3437 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3439 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3441 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3443 2006-06-09 Richard Guenther <rguenther@suse.de>
3445 PR tree-optimization/26998
3446 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3447 of signed types, only TYPE_MIN_VALUE is special, but for both,
3448 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3449 in this case, as is -fwrapv.
3451 2006-06-08 Mike Stump <mrs@apple.com>
3453 PR target/26427
3454 * config/darwin.c (darwin_asm_output_anchor): Disable
3455 -fsection-anchors on darwin for now.
3456 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3457 * rs6000/rs6000.c (optimization_options): Likewise.
3459 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3461 PR target/27421
3462 * config/i386/i386.c (classify_argument): Skip fields with invalid
3463 types in unions.
3465 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3467 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3468 (cse_insn): Likewise for the stack_pointer_rtx.
3470 2006-06-08 Roger Sayle <roger@eyesopen.com>
3472 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3473 conditions from floating point comparisons.
3475 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3477 PR middle-end/27733
3478 * expmed.c (struct alg_hash_entry): Fix type of field T
3479 to match synth_mult argument.
3480 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3482 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3484 PR target/27863
3485 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3486 block boundaries.
3488 2006-06-08 Richard Guenther <rguenther@suse.de>
3490 PR middle-end/27116
3491 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3492 only, if overflow is defined and not trapping.
3493 (negate_expr): Likewise.
3495 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3497 PR tree-optimization/27872
3498 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3499 flag on the new exit edge of the unrolled loop.
3501 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3503 PR rtl-optimization/26449
3504 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3506 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3508 PR middle-end/27793
3509 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3510 referenced_variables with matching DECL_UID's.
3511 (find_referenced_vars): Make sure duplicate list is empty to start.
3512 (referenced_var_p): Remove.
3513 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3514 Check if var is in the list, and add if needed. Update the duplicate
3515 list if a different var is in the list with the same DECL_UID.
3516 (add_referenced_var): Call routine to check and insert.
3517 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3518 * tree-flow.h (referenced_vars_dup_list): External declaration.
3520 2006-06-07 Fred Fish <fnf@specifix.com>
3522 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3523 into single entry.
3525 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3527 PR target/27390
3528 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3529 the imaginary and real parts of a clobbered register.
3530 Emit insn to set the imaginary part.
3532 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3534 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3535 in lieu of unwind-dw2-fde.c.
3537 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3539 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3541 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3543 PR target/27842
3544 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3545 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3546 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3547 V4SImode temporaries and operations instead.
3549 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3551 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3552 dp-bit.c.
3554 2006-06-06 Mike Stump <mrs@apple.com>
3556 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3557 installing during build.
3559 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3561 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3562 value to 0.
3563 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3564 * config/ia64/ia64.c (params.h): New header.
3565 (ia64_optimization_options): New function to adjust parameters.
3566 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3567 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3568 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3570 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3572 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3574 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3576 PR target/27051
3577 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3579 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3580 Victor Kaplansky <victork@il.ibm.com>
3582 PR tree-optimization/26360
3583 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3584 stmts.
3586 2006-06-04 Roger Sayle <roger@eyesopen.com>
3587 Andrew Pinski <pinskia@physics.uc.edu>
3589 PR middle-end/27382
3590 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3591 for LABEL_DECL before calling DECL_WEAK.
3593 PR c/27150
3594 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3595 LABEL_DECL and PARM_DECL.
3597 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3599 PR c/25161
3600 PR c/27020
3601 * c-decl.c (grokdeclarator): Disallow variably modified types at
3602 file scope. Avoid marking shared array type of constant size as
3603 VLA.
3605 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3607 PR c++/27601
3608 * c-common.c (fold_offsetof_1): Handle static members.
3610 2006-06-04 Eric Christopher <echristo@apple.com>
3612 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3613 (debug_rli): Output value for remaining_in_alignment.
3614 (update_alignment_for_field): Unconditionalize
3615 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3616 extra alignment code.
3617 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3618 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3619 * tree.h (record_layout_info_s): Remove prev_packed.
3620 * doc/extend.texi (ms_struct): Add documentation of format.
3622 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3624 * tree.h: Declare folding_initializer.
3625 * builtins.c (fold_builtin_constant_p): Give definite answer
3626 if folding inside an initializer.
3627 * fold-const.c: Define folding_initializer.
3628 (START_FOLD_INIT): Save and then set folding_initializer.
3629 (END_FOLD_INIT): Restore folding_initializer.
3631 2006-06-04 Richard Guenther <rguenther@suse.de>
3633 PR tree-optimization/27039
3634 * fold-const.c (fold_comparison): Handle pointer comparison
3635 again for all comparison codes. Compare offsets in signed
3636 size type.
3637 (fold_binary): Move code from here.
3639 2006-06-03 Roger Sayle <roger@eyesopen.com>
3641 PR target/26223
3642 * config/i386/i386.c (construct_container): Split static issued_error
3643 flag into issued_sse_arg_error, issued_sse_ret_error and
3644 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3645 requires the use of x87 registers and the user explicitly
3646 specified the -mno-80387 command line option.
3648 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3650 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3651 HAVE_DECL_SIGALTSTACK.
3652 (MC_FLD): New.
3653 (segv_handler): Use MC_FLD.
3654 * configure.ac: Check for a sigaltstack declaration.
3655 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3656 * configure: Regenerate.
3657 * config.in: Regenerate.
3659 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3661 PR other/27850
3662 * Makefile.in (stmp-fixinc): Fix typo.
3664 2006-06-02 Roger Sayle <roger@eyesopen.com>
3666 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3667 are type correct. Clean-up.
3668 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3669 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3671 2006-06-01 DJ Delorie <dj@redhat.com>
3673 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3674 shift, as we've disabled the "switch" insn that needs it.
3676 2006-06-01 Per Bothner <bothner@bothner.com>
3678 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3679 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3680 * c-ppoutput.c (cb_define): Don't increment line 0.
3682 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3684 * doc/invoke.texi: Add cpu_type power6.
3685 * config.gcc: Add cpu_type power6.
3686 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3687 to power5+ with Altivec.
3688 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3689 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3691 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3693 * config/avr/avr.h (SET_ASM_OP): Define.
3695 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3697 * config/bfin/bfin.c: Fix comment typos.
3699 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3701 PR 25453
3702 * doc/install.texi: Document --enable-bootstrap and
3703 --disable-bootstrap.
3705 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3707 * doc/install.texi: Document that InfoZIP can replace jar.
3709 2006-05-31 Roger Sayle <roger@eyesopen.com>
3711 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3712 isn't available, directly generate the simpler x87 patterns without
3713 the (use (const_int 0)).
3714 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3715 implementation isn't available.
3716 (*negdf2_1): Likewise.
3717 (*negxf2_1): XF mode negation is always done using the x87.
3718 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3720 2006-05-31 Roger Sayle <roger@eyesopen.com>
3722 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3723 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3724 cabs(z).
3725 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3727 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3729 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3730 * config/bfin/bfin.c (basic-block.h): Include.
3731 (struct machine_function): New.
3732 (bfin_init_machine_status): New.
3733 (override_options): Initialize init_machine_status.
3734 (bfin_hardware_loop): New.
3735 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3736 (DEF_VEC_P (loop_info)): New.
3737 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3738 (struct loop_info): New.
3739 (loop_info): New typedef.
3740 (struct loop_work): New.
3741 (loop_work): New typedef.
3742 (DEF_VEC_O (loop_work)): New.
3743 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3744 (bfin_dump_loops): New.
3745 (bfin_bb_in_loop): New.
3746 (bfin_scan_loop): New.
3747 (bfin_optimize_loop): New.
3748 (bfin_reorg_loops): New.
3749 (bfin_reorg): Use bfin_reorg_loops.
3750 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3751 loop registers.
3752 (I_REGNO_P): Simplify.
3753 (DP_REGNO_P, DPREG_P): New macros.
3754 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3755 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3756 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3757 Add LT_REGS, LC_REGS, LB_REGS.
3758 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3759 'l' for LB_REGS.
3760 (REGNO_REG_CLASS): Deal with loop registers.
3761 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3762 letters.
3763 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3764 New constants for loop registers.
3765 (UNSPEC_LSETUP_END): New.
3766 (seq_insns): New define_attr. Set it for appropriate insns.
3767 (movsi_insn): Add alternatives for move from/to
3768 loop count registers.
3769 (doloop_end): New define_expand.
3770 (loop_end): New define_insn.
3771 (define_split for bad doloop_end): New.
3772 (lsetup_with_autoinit): New define_insn.
3773 (lsetup_without_autoinit): New define_insn.
3774 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3775 * config/bfin/predicates.md (lc_register_operand): New.
3776 (lt_register_operand): New.
3777 (lb_register_operand): New.
3778 (nondp_register_operand): New.
3779 (nondp_reg_or_memory_operand): New.
3780 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3782 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3784 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3785 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3787 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3789 * Makefile.in (CATALOGS): Add po/ prefix.
3790 * configure: Regenerated.
3792 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3794 PR target/27829
3795 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3796 a shift operand before calling shift_op. Avoid redundant call of
3797 shift_op.
3799 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3800 DJ Delorie <dj@redhat.com>
3802 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3803 we're inserting is a singlt-bit constant.
3805 2006-05-30 Roger Sayle <roger@eyesopen.com>
3807 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3808 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3810 2006-05-30 Roger Sayle <roger@eyesopen.com>
3812 PR tree-optimization/23452
3813 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3814 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3815 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3816 complex values and with -ffast-math for FP complex values.
3818 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3820 * c-common.h: Remove the prototype for yyparse.
3821 * rtl.h: Remove the prototype for init_loop.
3823 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3825 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3826 calling recog.
3828 2006-05-30 Roger Sayle <roger@eyesopen.com>
3830 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3831 and rotate cases.
3832 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3833 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3835 2006-05-30 Dirk Mueller <dmueller@suse.de>
3837 PR c/27273
3838 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3839 for CONSTANT_CLASS_P expresisons.
3841 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3843 PR c/27718
3844 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3846 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3848 PR tree-optimization/27779
3849 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3850 initial_condition instead of CHREC_LEFT.
3852 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3854 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3855 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3856 Make prototypes ISO C90.
3858 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3859 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3861 * see.c (see_analyze_one_def): Correct check.
3862 (see_get_extension_data): Check if extension is parallel.
3863 (see_get_extension_reg): Likewise.
3865 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3867 PR target/27790
3868 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3869 into register for (code == GTU).
3871 2006-05-29 Roger Sayle <roger@eyesopen.com>
3873 PR tree-optimization/24964
3874 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3875 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3876 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3877 abs(x)*abs(x) as x*x for scalar floating point modes.
3879 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3881 PR middle-end/27745
3882 * lambda-code.c (perfect_nestify): Don't copy statements
3883 in the inner loop: move them to the inner loop header.
3885 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3887 PR 26237
3888 * c-tree.texi: Document OpenMP directives and clauses.
3890 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3892 * varasm.c (globalize_decl): Fix indentation.
3894 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3896 PR 26242
3897 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3898 pass_fre, pass_store_ccp, pass_copy_prop,
3899 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3900 pass_return_slot, pass_object_size, pass_lim,
3901 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3902 pass_loop_prefetch and pass_stdarg.
3904 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3906 * config/bfin/bfin.opt (mfdpic): New option.
3907 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3908 (EXTRA_MULTILIB_PARTS): Likewise.
3909 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3910 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3911 multilib.
3912 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3913 (CRT_CALL_STATIC_FUNCTION): New.
3914 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3915 -shared.
3916 (CRT_CALL_STATIC_FUNCTION): New.
3917 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3918 FD-PIC moves.
3919 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3920 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3921 (initialize_trampoline): Changed to handle FD-PIC code generation.
3922 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3923 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3924 (override_options): Disallow -mid-shared-library -mfdpic combination.
3925 Can't do unaligned ops if FD-PIC.
3926 Turn off flag_pic if trying to generate non-id-shared-library
3927 non-fdpic code, since it's not supported.
3928 (bfin_assemble_integer): New function.
3929 (TARGET_ASM_INTEGER): Define.
3930 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3931 __BFIN_FDPIC__.
3932 * config/bfin/crtn.s: Restore them.
3933 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3934 if TARGET_FDPIC.
3935 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3936 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3937 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3938 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3939 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3940 call-used.
3941 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3942 FDPIC_REGS and FDPIC_FPTR_REGS.
3943 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3944 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3945 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3946 (load_funcdescsi): New pattern.
3947 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3948 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3949 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3951 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3953 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3954 loop.c.
3956 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3958 * tree-flow.h: Remove the prototype for add_type_alias.
3959 * tree-ssa-alias.c (add_type_alias): Remove.
3961 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3963 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3964 config/fr30/fr30.md, config/i386/i386-interix.h,
3965 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3966 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3967 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3968 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3969 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3970 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3971 Follow spelling conventions.
3972 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3973 Follow spelling conventions.
3975 2006-05-27 Richard Guenther <rguenther@suse.de>
3977 PR middle-end/27773
3978 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3979 to produce a constant of value 1 of generic type.
3981 2006-05-27 Dirk Mueller <dmueller@suse.de>
3983 * cgraphunit.c (decide_is_function_needed): Fix wrong
3984 PR reference.
3986 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3988 PR rtl-optimization/27661
3989 * reload.c (find_reloads): When reloading a VOIDmode constant
3990 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3991 use Pmode as mode of the reload register.
3993 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3995 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3996 is enabled at -O and above.
3998 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4000 PR target/27571
4001 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4002 table data.
4004 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4006 PR c++/20103
4007 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4008 for anonymous variables explicitly declared by front ends.
4010 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4012 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4013 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4014 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4015 ref-all pointers, run a finalization pass for them.
4016 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4017 (finalize_ref_all_pointers): New function.
4018 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4019 regular pointer type to a ref-all pointer type.
4020 (get_tmt_for): Return the special memory tag for ref-all pointers.
4022 2006-05-25 Richard Guenther <rguenther@suse.de>
4024 PR middle-end/27743
4025 * fold-const.c (fold_binary): Do not look at the stripped
4026 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4028 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4030 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4031 for LT and GT if the computed range is effectively empty.
4033 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4035 PR target/27627
4036 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4037 mips_quad_format formats instead of ieee_single_format,
4038 ieee_double_format and ieee_quad_format formats, respectively.
4040 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4042 PR tree-optimization/27639
4043 PR tree-optimization/26719
4044 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4045 call to scev_probably_wraps_p.
4046 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4047 used_in_pointer_arithmetic_p, convert_step): Removed.
4048 (nowrap_type_p): New function.
4049 (scev_probably_wraps_p): Rewritten.
4050 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4051 chrec_convert if chrec_convert_aggressive might have been used.
4052 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4053 scev_direction): New functions.
4054 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4055 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4056 instead of convert_step.
4057 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4058 (convert_step): Declaration removed.
4059 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4061 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4063 * df-core.c: Added to header comments.
4064 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4065 df_ur_bb_info, df_urec_bb_info): Added comments.
4066 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4067 urec, ri problems): Fixed header comments.
4068 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4069 code from df_rd_transfer_function.
4071 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4073 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4074 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4075 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4077 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4079 * expr.c (undefined_operand_subword_p): New.
4080 (emit_move_multi_word): Do not generate move from undefined bits
4081 of a paradoxical subreg.
4083 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4085 PR rtl-optimization/27736
4086 * combine.c (replaced_rhs_value): New variable.
4087 (combine_instructions): Set it.
4088 (distribute_notes): When distributing a note in replaced_rhs_insn,
4089 check whether the value was used in replaced_rhs_value.
4091 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4093 PR c++/26757
4094 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4095 add_referenced_var instead of add_referenced_tmp_var.
4096 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4097 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4098 add_referenced_var.
4099 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4100 tree_optimize_tail_calls_1): Use add_referenced_var.
4101 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4102 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4103 Use add_referenced_var.
4104 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4105 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4106 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4107 Use add_referenced_var.
4108 * tree-dfa.c (struct walk_state): Remove.
4109 (find_referenced_vars): Remove walk state and vars_found hash table.
4110 (make_rename_temp): Use add_referenced_var.
4111 (find_vars_r): Pass less parameters to add_referenced_var.
4112 (referenced_var_p): New. Is var in referenced_var hash table.
4113 (referenced_var_insert): Assert var isn't already in hash table.
4114 (add_referenced_var): Don't need walk_state parameter. Add var if it
4115 isn't already in the hash table.
4116 (add_referenced_tmp_var): Remove.
4117 (find_new_referenced_vars_1): Use add_referenced_var.
4118 * tree-ssa-pre.c (create_expression_by_pieces,
4119 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4120 Use add_referenced_var.
4121 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4122 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4123 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4124 add_referenced_var.
4125 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4126 vect_create_data_ref_ptr, vect_create_destination_var,
4127 vect_init_vector, vect_build_loop_niters,
4128 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4129 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4130 Use add_referenced_var.
4131 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4132 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4133 (add_referenced_var): Add prototype.
4134 * tree-ssa-structalias.c (get_constraint_for,
4135 intra_create_variable_infos): Use add_referenced_var.
4137 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4139 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4140 big-endian paradoxical subregs.
4141 * var-tracking.c (struct micro_operation_def): Document that,
4142 for modify micro operations, insn is the subsequent instruction.
4143 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4144 (var_reg_set, var_mem_set): ... new functions.
4145 (add_stores): Record subsequent insn.
4146 (compute_bb_dataflow): Use new functions for MO_USE.
4147 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4148 notes after the insn, and modify notes before the insn known
4149 to be the subsequent one.
4150 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4152 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4154 PR target/27696
4155 * config/i386/i386.c (ix86_expand_builtin): Use
4156 gen_sse3_monitor64 for TARGET_64BIT.
4158 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4160 PR rtl-optimization/26375
4161 PR rtl-optimization/26855
4162 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4163 to gen set.
4164 (df_ru_bb_local_compute): Reversed statements and removed bogus
4165 comment explaining why they should be in wrong order.
4166 (df_ru_dump, df_rd_dump): Enhanced debug info.
4167 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4168 debug info.
4169 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4170 reaching uses and fixed space problem.
4172 2006-05-23 Jan Hubicka <jh@suse.cz>
4174 * cgraphunit.c (decide_is_function_needed): Also nested functions
4175 and functions declared inline can be optimized out at -O0.
4177 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4179 * doc/install.texi (Configuration): Remove reference to CrossGCC
4180 FAQ which was gone.
4181 (Building): Ditto.
4183 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4185 PR target/27266
4186 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4187 ix86_compare_emitted is non-NULL.
4189 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4191 PR c++/27451
4192 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4193 clobbers.
4195 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4197 PR rtl-optimization/25514
4198 * combine.c (replaced_rhs_insn): New variable.
4199 (combine_instructions): Set replaced_rhs_insn when trying to replace
4200 a SET_SRC with a REG_EQUAL note.
4201 (distribute_notes): Use replaced_rhs_insn when determining the live
4202 range of a REG_DEAD register.
4204 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4205 Anatoly Sokolov <aesok@post.ru>
4207 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4208 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4209 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4210 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4211 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4212 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4213 at90usb647, at90usb1286 and at90usb1287 devices.
4214 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4215 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4217 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4219 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4221 2006-05-22 Richard Guenther <rguenther@suse.de>
4223 Revert
4224 2006-01-31 Richard Guenther <rguenther@suse.de>
4225 Paolo Bonzini <bonzini@gnu.org>
4227 * doc/install.texi (--disable-libgcc-math): Document.
4229 2006-05-22 Richard Guenther <rguenther@suse.de>
4231 Revert
4232 2006-01-31 Richard Guenther <rguenther@suse.de>
4234 * doc/invoke.texi (-msselibm): Document.
4235 * target.h (expand_library_builtin): New target hook.
4236 * builtins.c (expand_builtin): Use expand_library_builtin.
4237 (default_expand_library_builtin): New function.
4238 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4239 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4240 (link_gcc_math_spec): Declare.
4241 (static_specs): Add link_gcc_math_spec.
4242 * expr.h (default_expand_library_builtin): Declare.
4243 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4244 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4245 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4246 * config/i386/i386.opt (msselibm): New target option.
4247 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4248 (ix86_init_sse_abi_builtins): New function.
4249 (ix86_expand_library_builtin): Likewise.
4250 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4251 (override_options): Handle error conditions wrt -msselibm.
4252 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4253 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4254 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4255 builtins.
4257 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4259 PR c/27420
4260 * c-common.c (self_promoting_args_p): Skip erroneous args.
4262 PR c/26818
4263 * c-decl.c (finish_struct): Skip erroneous fields.
4265 2006-05-22 Nick Clifton <nickc@redhat.com>
4267 * config/cris/cris.opt (march): Remove VarExists attribute.
4268 (max-stackframe=): Likewise.
4270 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4272 * doc/rtl.texi: Fix a typo.
4273 * see.c: Fix comment typos.
4275 * tree-ssa-structalias.h (alias_info): Remove num_references.
4277 2006-05-21 Mike Stump <mrs@apple.com>
4279 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4280 (BAD2): Add.
4281 (darwin_pragma_options): Use BAD instead.
4282 (darwin_pragma_unused): Likewise.
4283 (darwin_pragma_ms_struct): Likewise.
4285 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4287 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4289 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4291 PR rtl-optimization/27671
4292 * simplify-rtx.c (simplify_relational_operation_1): Fix
4293 simplifications of (eq/ne (xor x y) y) and
4294 (eq/ne (xor x y) x).
4296 PR tree-optimization/26622.
4297 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4298 on arg1.
4300 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4302 * tree-cfg.c: Prune whitespace.
4303 (debug_tree_cfg): Point to correct header containing the
4304 TDF_* defines.
4306 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4308 PR middle-end/25776
4309 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4311 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4313 PR middle-end/25776
4314 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4315 or sorry count is non zero.
4317 2006-05-20 Andreas Schwab <schwab@suse.de>
4319 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4321 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4322 Kenneth Zadeck <zadeck@naturalbridge.com>
4324 PR rtl-optimization/26855
4326 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4327 multiword refs.
4328 (df_scan_alloc): Added code to properly handle multiword hard
4329 registers and add all_blocks parameter.
4330 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4331 code to properly handle multiword hard registers.
4332 (df_rescan_blocks): Added code to remove deleted blocks from
4333 bitmap.
4334 (df_ref_create_structure, df_ref_record): Added code to properly
4335 handle subregs.
4336 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4337 and set DF_REF_PARTIAL.
4338 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4339 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4340 (df_scan_add_problem): Added flags parameter.
4341 (df_ref_create_structure): Changed switching structure.
4342 (df_bb_refs_record): Fixed case where duplicate artificial refs
4343 were created. Changed location of flags.
4344 (df_record_entry_block_defs): Added code to make stack pointer
4345 live in entry block. Refined cases where frame pointer is needed.
4346 Changed location of flags.
4347 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4348 (df_set_state): Removed function.
4349 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4350 df_insn_create_insn_record, df_insn_refs_delete,
4351 df_ref_create_structure): Formatting changes.
4352 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4353 df_delete_basic_block): New function.
4354 (df_init): Changed location of flags.
4355 (df_add_problem): Added flags parameter and the way flags are
4356 processed.
4357 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4358 debug_df_chain): Improved debugging output.
4359 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4360 (df_refs_chain_dump): Removed df parameter.
4361 (df_iterative_dataflow): Added consistency check.
4362 (df_prune_to_subcfg): Made public.
4363 (df_analyze_problem): Added blocks_to_init parameter and made
4364 public.
4365 (df_ref_record, df_bb_refs_record, df_mark_reg,
4366 df_record_exit_block_uses): Whitespace changes.
4367 (df_dump): Whitespace changes.
4368 * df.h: Some reordering to remove forward references.
4369 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4370 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4371 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4372 (dataflow.flags): New field.
4373 (df.flag): Deleted field.
4374 (df_alloc_function): Added additional bitmap parameter.
4375 (df_dependent_problem_function): New type.
4376 (df_problem.changeable_flags): New field.
4377 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4378 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4379 (df_mw_hardreg): New struct.
4380 (DF_INSN_UID_MWS): New macro.
4381 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4382 parameter.
4383 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4384 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4385 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4386 (df_set_state): Removed function.
4387 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4388 * df-problems.c (df_chain_dump): Removed df parameter.
4389 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4390 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4391 parameter.
4392 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4393 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4394 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4395 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4396 DF_REF_MUST_CLOBBER cases.
4397 (df_ru_bb_local_compute_process_def,
4398 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4399 df_lr_bb_local_compute, df_ur_bb_local_compute,
4400 df_chain_create_bb): Made subreg aware.
4401 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4402 df_lr_bb_local_compute, df_lr_bb_local_compute,
4403 df_chain_create_bb): Cleanup to use proper macros.
4404 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4405 code to fixup bitvectors.
4406 (df_ri_alloc): Cleared lifetime.
4407 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4408 df_create_unused_note): New function.
4409 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4410 REG_DEAD and REG_UNUSED notes as well as register information.
4411 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4412 df_chains_dump): Fixed crash if problem was never run.
4413 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4414 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4415 df_ri_add_problem): Processes flags in uniform manner.
4416 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4417 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4418 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4419 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4420 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4421 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4422 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4423 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4424 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4425 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4426 * see.c (see_initialize_data): Ditto.
4427 * final.c (rest_of_clean_state) Added regstack_completed.
4428 * rtl.h (regstack_completed): Ditto.
4429 * reg-stack.c (regstack_completed): Ditto.
4431 2006-05-19 Mike Stump <mrs@apple.com>
4433 * c-tree.h (default_conversion): Remove.
4434 * c-common.h (default_conversion): Add.
4436 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4438 * tree-vrp.c (valid_value_p): New function.
4439 (adjust_range_with_scev): Fail if the value of bound is not
4440 simple.
4442 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4444 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4445 (mips_fallback_frame_state): Use syscall numbers to determine
4446 the appropriate li instruction for the current ABI. Only use
4447 __NR_sigreturn for o32.
4449 2006-05-19 Nicolas Setton <setton@adacore.com>
4451 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4452 * langhooks.c (lhd_dwarf_name): New function.
4453 * langhooks-def.h (lhd_dwarf_name): Declare.
4454 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4455 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4456 * ada/misc.c (gnat_dwarf_name): New function.
4457 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4459 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4461 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4462 libgcc2.h.
4463 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4464 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4465 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4466 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4467 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4468 determine the size of Wtype, etc.
4469 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4470 (swfloatfuncs): New variable.
4471 (dwfloatfuncs): Likewise.
4472 (lib2funcs): Remove floating-point conversion functions from
4473 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4474 the set of conversion routines needed. Allow entries to specify
4475 an object name, filename and word size. Update users accordingly.
4476 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4477 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4479 Revert:
4481 2006-02-08 Roger Sayle <roger@eyesopen.com>
4483 PR target/22209
4484 * config/fixtfdi.c: New libgcc source file.
4485 * config/fixunstfdi.c: New source file.
4486 * config/floatditf.c: New source file.
4487 * config/floatunditf.c: New souce file.
4488 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4489 files above instead of config/mips/_tilib.c.
4490 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4492 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4494 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4495 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4497 2006-05-18 Mike Stump <mrs@apple.com>
4499 Fix up vla, vm and [*] sematics.
4501 PR c/18740
4502 PR c/7948
4503 PR c/25802
4504 PR c/27673
4505 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4506 (c_vla_unspec_p): Add.
4507 (c_vla_type_p): Add.
4508 * c-decl.c (struct c_scope): Add had_vla_unspec.
4509 (build_array_declarator): Add support for [*].
4510 (grokdeclarator): Likewise.
4511 (grokparms): Likewise.
4512 (get_parm_info): Likewise.
4513 * c-objc-common.c (c_vla_unspec_p): Likewise.
4514 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4515 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4516 typeof when argument is a variably modified type not inside sizeof or alignof.
4517 (c_parser_direct_declarator_inner): Propagate errors.
4518 (c_parser_sizeof_expression): Add support for [*].
4519 (c_parser_parms_declarator): Initialize had_vla_unspec.
4520 (c_parser_parms_list_declarator): Likewise.
4521 * c-typeck.c (c_vla_type_p): Add.
4522 (composite_type): Add support for vla compositing.
4523 (comptypes_internal): Add support for vla compatibility.
4524 (c_expr_sizeof_expr): Evaluate vla arguments.
4525 * tree.c (variably_modified_type_p): Update comment for [*].
4527 2006-05-18 Michael Matz <matz@suse.de>
4529 PR target/27599
4530 * config.host: Make assignments to host_xmake_file cumulative.
4531 * config.host (*-darwin*): Test $host, not $target.
4533 2006-05-12 Stuart Hastings <stuart@apple.com>
4535 * config/i386/i386.opt (-mstackrealign): New flag.
4536 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4537 (ix86_handle_cconv_attribute): Emit error when
4538 force_align_arg_pointer attribute collides with too many regparms.
4539 (ix86_function_regparm): Limit regparms when used with
4540 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4541 Support stack-realigning prologue in non-main functions. Emit
4542 warning for nested functions under -mstackrealign, emit error for
4543 nested functions with force_align_arg_pointer attribute.
4544 * doc/extend.texi (force_align_arg_pointer): Document it.
4545 * doc/invoke.texi (-mstackrealign): Document it.
4547 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4549 PR rtl-optimization/27477
4550 * combine.c (try_combine): Don't split a parallel consisting
4551 of two sets into two individual sets if both sets reference
4552 cc0.
4554 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4556 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4557 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4559 * doc/options.texi (VarExists): Updated.
4561 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4563 * unwind-dw2.c: Add declarations for uw_update_context and
4564 uw_frame_state_for.
4565 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4566 detected, advance frame state and context once to skip over stub.
4568 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4570 PR middle-end/20256
4571 PR middle-end/26435
4572 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4573 Call rewrite_into_loop_closed_ssa only when something changed.
4574 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4575 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4576 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4577 Test for perfect_nest_p here. Fix formating.
4578 (replace_uses_equiv_to_x_with_y): Fix formating.
4579 (stmt_uses_op): Removed.
4580 (can_convert_to_perfect_nest): Removed loopivs parameter.
4581 Complete the test by checking the scalar dependences.
4582 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4583 Fix formating.
4585 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4587 PR bootstrap/22541
4588 From Dan Kegel <dank@kegel.com>:
4589 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4591 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4593 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4594 if the element type is variably modified without recursing.
4596 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4598 PR middle-end/27332
4599 * tree-loop-linear.c (try_interchange_loops): Test for
4600 no data dependences.
4602 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4604 PR tree-optimization/27548
4605 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4606 range of ssa names that appear on abnormal edges.
4607 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4608 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4610 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4612 PR middle-end/27620
4613 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4615 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4617 PR middle-end/27415
4618 * tree.h (OMP_PARALLEL_COMBINED): Define.
4619 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4620 (new_omp_context): Add is_combined_parallel argument.
4621 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4622 new_omp_context caller.
4623 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4624 Adjust gimplify_scan_omp_clauses callers.
4625 (omp_is_private): Issue errors if iteration variable is firstprivate
4626 or reduction in the current context.
4627 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4628 on combined parallel workshare constructs.
4630 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4632 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4633 (gcc-options.o): New rule.
4635 * optc-gen.awk: Protect variables for gcc-options.o with
4636 #ifdef GCC_DRIVER/#endif.
4638 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4640 Fix PR tree-optimization/27373
4641 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4642 (forward_propagate_addr_expr): Update call.
4644 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4646 * doc/options.texi: Move the Negative option.
4648 2006-05-16 Richard Guenther <rguenther@suse.de>
4650 PR tree-optimization/22303
4651 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4652 from STRING_CSTs.
4653 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4654 ccp_fold did not simplify the statement.
4656 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4658 PR driver/26885
4659 * Makefile.in (GCC_OBJS): New.
4660 (OBJS-common): Add opts-common.o.
4661 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4662 (cpp$(exeext)): Likewise.
4663 (gcc.o): Also depend on opts.h.
4664 (opts-common.o): New.
4666 * common.opt (gcoff): Add Negative(gdwarf-2).
4667 (gdwarf-2): Add Negative(gstabs).
4668 (gstabs): Add Negative(gstabs+).
4669 (gstabs+): Add Negative(gvms).
4670 (gvms): Add Negative(gxcoff).
4671 (gxcoff): Add Negative(gxcoff+).
4672 (gxcoff+): Add Negative(gcoff).
4673 * config/i386/i386.opt (m32): Add Negative(m64).
4674 (m64): Add Negative(m32).
4676 * doc/options.texi: Document the Negative option.
4678 * gcc.c: Include "opts.h".
4679 (main): Call prune_options after expandargv.
4681 * optc-gen.awk: Generate common declarations for all flag
4682 variables in options.c. Output the neg_index field.
4684 * opts.c (find_opt): Moved to ...
4685 * opts-common.c: Here. New file.
4687 * opts.h (cl_option): Add a neg_index field.
4688 (find_opt): New.
4689 (prune_options): Likewise.
4691 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4693 PR middle-end/27573
4694 * omp-low.c (expand_omp_parallel): Don't assert
4695 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4696 instead search for it.
4698 PR c/27499
4699 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4700 is signed.
4702 2006-05-16 Andreas Schwab <schwab@suse.de>
4704 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4705 defmac.
4707 2006-05-15 Roger Sayle <roger@eyesopen.com>
4709 PR target/26600
4710 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4711 integer constants other than zero are only legitimate on TARGET_64BIT.
4712 <CONST_VECTOR> Only zero vectors are legitimate.
4713 (ix86_cannot_force_const_mem): Integral and vector constants can
4714 always be put in the constant pool.
4716 2006-05-16 DJ Delorie <dj@redhat.com>
4718 * crtstuff.c (__dso_handle): Set section from
4719 TARGET_LBIGCC_SDATA_SECTION if defined.
4720 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4721 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4723 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4725 PR target/27599
4726 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4727 host_xmake_file.
4729 2006-05-16 Ben Elliston <bje@au.ibm.com>
4731 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4733 2006-05-15 Per Bothner <per@bothner.com>
4735 * tree.c: (last_annotated_node): Use source_locus typedef.
4736 This permits bootstrapping with --enable-mapped-location.
4738 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4740 PR tree-optimization/26830
4741 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4742 (info_for_ssa_name, current_info_for_ssa_name_age,
4743 blocks_to_update): New variables.
4744 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4745 (clear_ssa_name_info, initialize_flags_in_bb,
4746 mark_block_for_update): New functions.
4747 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4748 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4749 prepare_def_site_for): Use mark_block_for_update.
4750 (mark_def_interesting): Assert that the processed block is marked in
4751 blocks_to_update. Do not take blocks argument.
4752 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4753 argument.
4754 (rewrite_update_init_block, rewrite_update_stmt): Only process
4755 blocks with statements to rewrite.
4756 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4757 (update_ssa): Initialize and free blocks_to_update. Do not
4758 clear flags on statements. Do not use blocks bitmap.
4759 * tree.h (SSA_NAME_AUX): Removed.
4760 (struct tree_ssa_name): Removed aux field.
4761 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4763 2006-05-15 Richard Guenther <rguenther@suse.de>
4765 PR tree-optimization/27603
4766 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4767 Do computations in original type.
4769 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4771 * see.c: Code style changes such as redundant paranthesis,
4772 redundant intialization of local variables etc.
4773 (see_main): Declared now as static.
4774 * doc/invoke.texi: Update that -fsee is not enabled by
4775 default at -O3.
4777 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4779 * omp-low.c (check_omp_nesting_restrictions): New function.
4780 (scan_omp_1): Call it.
4782 PR middle-end/27416
4783 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4784 construct, return *VAR.
4786 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4788 PR rtl-optimization/27406
4789 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4790 edges.
4792 2006-05-14 Roger Sayle <roger@eyesopen.com>
4794 PR rtl-optimization/27538
4795 * combine.c (expand_compound_operation): Call gen_lowpart
4796 before calling simplify_shift_const.
4798 2006-05-14 Roger Sayle <roger@eyesopen.com>
4800 PR rtl-optimization/22563
4801 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4802 a fixed width bitfield, always force the intermediates into psuedos.
4804 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4806 PR 27501
4807 * mkconfig.sh: Use operator = instead of == for test.
4809 2006-05-13 Nick Clifton <nickc@redhat.com>
4811 * dwarf2out.c (dbx_reg_number): Check return value from
4812 LEAF_REG_REMAP and only use it if it is valid.
4813 (multiple_reg_loc_descriptor): Likewise.
4815 2006-05-13 Richard Guenther <rguenther@suse.de>
4817 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4818 host_xmake_file.
4820 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4822 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4823 information attached to non-INSNs such as NOTEs.
4824 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4826 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4828 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4829 On contraint.
4830 * config/s390/s390.md: Adjust comment describing On constraint.
4832 2006-05-11 Jan Hubicka <jh@suse.cz>
4834 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4835 to be output at -O0.
4837 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4839 PR middle-end/27384
4840 * fold-const.c (size_binop): Move sanity check for arguments to
4841 the beginning of the function.
4843 PR middle-end/27488
4844 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4845 expression.
4847 2006-05-11 Richard Guenther <rguenther@suse.de>
4849 PR middle-end/27529
4850 * fold-const.c (fold_unary): Handle intermediate conversion
4851 to a pointer type like intermediate conversion to an integer
4852 type in folding of (T1)(T2)var to var.
4853 Match the code to the comment in the final conversion for
4854 (T1)(T2)var to (T1)var regarding to type precision. Rather
4855 than disallow T1 being of pointer type, assert that both T1
4856 and var are of pointer type or not. Make sure not to fall
4857 over the frontends lazyness wrt array to pointer decay though.
4859 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4861 * arm.c (arm_struct_value_rtx): Delete.
4862 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4863 (arm_init_cumulative_args): Always initialize nregs to zero.
4865 2006-05-10 Richard Guenther <rguenther@suse.de>
4867 PR tree-optimization/27532
4868 * tree-object-size.c (plus_expr_object_size): Fix typo.
4870 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4872 PR target/24949
4873 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4874 ashrdi_const, ashrdi3): Use a scratch register.
4876 2006-05-10 Richard Guenther <rguenther@suse.de>
4878 PR tree-optimization/27302
4879 * fold-const.c (operand_equal_p): For two comparisons,
4880 try comparison of one comparison code swapped if that yields
4881 the same code.
4883 2006-05-10 Ben Elliston <bje@au.ibm.com>
4885 * tree-pretty-print.c (pretty_print_string): No need to handle
4886 '\0' as a special character.
4888 * tree.h: Include "hashtab.h".
4889 (iterative_hash_expr): Use hashval_t in its prototype.
4890 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4892 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4894 PR bootstrap/26872
4895 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4896 (hppa*64*-*-hpux11*): Ditto.
4897 (hppa[12]*-*-hpux11*): Ditto.
4899 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4901 PR target/26545
4902 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4904 2006-05-09 Michael Matz <matz@suse.de>
4906 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4907 host_extra_gcc_objs and host_xmake_file.
4908 (<*-*-linux*>): Don't overwrite host_xmake_file.
4909 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4910 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4911 (host_detect_local_cpu): Declare.
4912 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4913 * config/i386/i386.c (override_options): Handle -mtune=native
4914 as -mtune=generic.
4915 * config/i386/x-i386: New file.
4916 * config/i386/driver-i386.c: New file.
4917 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4918 cpu-type "native".
4920 2006-05-09 Dirk Mueller <dmueller@suse.de>
4921 Richard Guenther <rguenther@suse.de>
4923 PR middle-end/27498
4924 * fold-const.c (fold_read_from_constant_string): Relax check
4925 for matching types to matching modes.
4927 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4929 PR rtl-optimization/27335
4930 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4931 loops.
4933 2006-05-08 Chao-ying Fu <fu@mips.com>
4934 Richard Sandiford <richard@codesourcery.com>
4936 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4937 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4938 * config/mips/mips.md (UNSPEC_SCC): New constant.
4939 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4940 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4941 (mips_emit_compare): Use it.
4942 (mips_expand_vcondv2sf): New function.
4944 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4946 Fix PR tree-optimization/27093
4947 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4948 renaming when they become not-used_alone.
4950 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4952 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4953 relocation and relocation stubs.
4955 2006-05-08 Eric Christopher <echristo@apple.com>
4957 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4958 section for ppc.
4960 2006-05-08 Jan Hubicka <jh@suse.cz>
4962 PR middle-end/24561
4963 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4964 unused static functions are needed.
4966 2006-05-08 Roger Sayle <roger@eyesopen.com>
4968 PR target/27158
4969 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4970 of a reg_equiv_constant if the result is a legitimate constant.
4972 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4974 PR target/27277
4975 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4976 standard 80387 constants, raise the cost to prevent
4977 compress_float_constant() to generate load from memory.
4979 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4981 * config/arm/constraints.md (c): Fix a typo.
4983 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4984 typos.
4986 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4988 PR target/24879
4989 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4990 inline function.
4991 (_mm_mwait): Likewise.
4993 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4994 "mwait".
4995 (sse3_monitor): Make it 32bit only.
4996 (sse3_monitor64): New. 64bit monitor.
4998 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5000 PR target/27421
5001 * config/i386/i386.c (classify_argument): Skip fields with invalid
5002 types.
5004 2006-05-07 Richard Guenther <rguenther@suse.de>
5006 PR tree-optimization/27409
5007 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5008 Do not try to find zero-sized subvars.
5010 2006-05-07 Richard Guenther <rguenther@suse.de>
5012 PR tree-optimization/27136
5013 * tree-ssa-loop-niter.c (get_val_for): Correct function
5014 comment, assert requirements.
5015 (loop_niter_by_eval): Stop processing if the iterated
5016 value did not simplify.
5018 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5020 * opts.c (flag_see): remove its setting at -O3.
5022 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5024 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5025 * arm/constraints.md: New file.
5026 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5027 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5028 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5029 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5030 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5031 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5032 * arm.md: Include constraints.md.
5033 (thumb_movsi_insn): Use satisfies_constraint_J.
5034 (movhi, movqi): Use satisfies_constraint_I.
5036 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5038 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5039 for atmeg a645 device.
5041 2006-05-06 Richard Guenther <rguenther@suse.de>
5043 PR tree-optimization/27151
5044 * tree-vect-transform.c (vectorizable_condition): Punt on
5045 values that have a different type than the condition.
5047 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5049 PR/21391
5050 * c-parser.c (c_parser_cast_expression): Only insert casts into
5051 hash table if pointer.
5052 * function.c (used_types_insert_helper): Rename from
5053 used_types_insert.
5054 (used_types_insert): Call used_types_insert_helper.
5055 * function.h (used_types_insert): Accept only one argument.
5057 2006-05-05 David Edelsohn <edesohn@gnu.org>
5059 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5060 scratch with output modifier.
5062 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5064 PR target/26481
5065 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5066 with output modifier.
5068 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5070 PR target/26765
5071 * config/mips/mips.c (mips_symbolic_address_p): Return true
5072 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5073 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5075 2006-05-04 Richard Guenther <rguenther@suse.de>
5077 PR tree-optimization/14287
5078 PR tree-optimization/14844
5079 PR tree-optimization/19792
5080 PR tree-optimization/21608
5081 PR tree-optimization/27090
5082 * tree-ssa-pre.c (try_combine_conversion): New function.
5083 (compute_avail): After constructing the value-handle
5084 expression, use try_combine_conversion to combine NOP_EXPRs
5085 with previous value-handle expressions and use the result if it
5086 is available.
5088 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5090 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5092 2006-05-04 Jan Hubicka <jh@suse.cz>
5094 PR middle-end/25962
5095 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5097 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5099 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5100 that this only matches CONST_INTs. All users changed to VOIDmode
5101 operands.
5103 * config/bfin/bfin.c: Include "optabs.h".
5104 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5105 to do more work.
5106 (enum bfin_builtins): Add a number of fractional and vector builtins.
5107 (bfin_init_builtins): Likewise.
5108 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5109 (safe_vector_operand, bfin_expand_binop_builtin,
5110 bfin_expand_unop_builtin): New functions.
5111 (bfin_expand_builtin): Handle the new builtins.
5112 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5113 __ADSPBLACKFIN__.
5115 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5117 * see.c: New file.
5118 * Makefile.in (OBJS-common): Add see.o.
5119 (see.o): Add dependencies.
5120 * common.opt (fsee): New flag for the see optimization was added.
5121 * opts.c (flag_see): Initialized.
5122 * passes.c (init_optimization_passes, pass_see): New pass.
5123 * rtl.h (see_main): Declaration as extern.
5124 * timevar.def (TV_SEE): New.
5125 * tree-pass.h (pass_see): Declaration as extern.
5126 * invoke.texi (-fsee): Document.
5127 * recog.c (validate_simplify_insn): New function.
5128 * recog.h (validate_simplify_insn): Declaration as extern.
5129 * df-problems.c (df_chain_dump): Check for NULL.
5131 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5132 Daniel Berlin <dberlin@dberlin.org>
5134 * cfgrtl.c (insert_insn_bb_end_new): New function.
5135 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5137 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5139 * df.h (struct web_entry): Moved from web.c.
5140 (union_defs): Declaration as extern.
5141 (unionfind_root): Likewise.
5142 (unionfind_union): Likewise.
5143 * web.c (struct web_entry): Moved to df.h.
5144 (unionfind_root): Remove static declaration.
5145 (unionfind_union): Likewise.
5146 (union_defs): Likewise and generalize to use callback function.
5147 (web_main): Update arguments for union_defs function call.
5149 2006-05-04 Richard Guenther <rguenther@suse.de>
5151 PR tree-optimization/26447
5152 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5153 produce SSA_NAME copies before the store stmt to avoid
5154 breaking exception handling.
5156 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5158 PR middle-end/27388
5159 * gimplify.c (omp_is_private): If var is shared in some outer context,
5160 return false instead of true. Stop searching on parallel context
5161 boundary.
5163 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5165 PR java/8260
5166 * coverage.c: Use get_gcov_unsigned_t() instead of
5167 unsigned_type_node all over.
5169 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5171 PR tree-optimization/27381
5172 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5173 maintain the same immediate_use links.
5174 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5175 node rather than segfaulting.
5177 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5179 PR fortran/27395
5180 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5181 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5182 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5184 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5186 Fix PR tree-optimization/26626
5187 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5188 always.
5189 * tree-ssa-operands.c (access_can_touch_variable): Allow
5190 typecasting through union pointers.
5192 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5194 PR c++/26943
5195 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5196 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5197 to find if var will be a global variable even in the nested context.
5198 (omp_copy_decl): Only check for global variable at the end, it might
5199 be overridden in outer contexts.
5200 (scan_sharing_clauses): For global variables don't create a field.
5201 (lower_rec_input_clauses): Do nothing for global shared variables.
5202 Emit a barrier at the end of ILIST if there were any decls in both
5203 firstprivate and lastprivate clauses.
5204 (lower_send_clauses): Do nothing for global variables except for
5205 COPYIN.
5207 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5209 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5210 of the correct signedness is returned.
5212 2006-05-02 Jeff Law <law@redhat.com>
5214 PR tree-optimization/27364
5215 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5216 multiply expressions.
5218 2006-05-02 Tom Tromey <tromey@redhat.com>
5220 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5222 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5224 PR target/27387
5225 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5226 -mthumb -fPIC are used.
5228 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5229 Joshua Kinard <kumba@gentoo.org>
5231 PR target/25871
5232 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5233 with 64-bit pointers.
5235 2006-05-02 Paul Brook <paul@codesourcery.com>
5237 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5238 and pool overlap.
5239 (create_fix_barrier): Check that a suitable barrier location is
5240 found.
5241 (arm_reorg): Include ftmp->address in allowable range of addresses.
5243 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5245 PR ada/27366
5246 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5247 on Cygwin.
5249 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5251 PR middle-end/27337
5252 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5253 around RESULT_DECL for result passed by reference.
5254 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5255 * omp-low.c (use_pointer_for_field): Don't look at
5256 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5257 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5258 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5259 time or var for passing by reference for
5260 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5261 TREE_ADDRESSABLE variables when passing by reference.
5263 * omp-low.c (dump_omp_region): Fix output formatting.
5265 PR middle-end/27328
5266 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5267 (expand_omp_parallel): Likewise.
5268 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5270 PR middle-end/27325
5271 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5272 on statement list containing also constructors and destructors.
5273 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5275 PR middle-end/27310
5276 * except.c (duplicate_eh_regions): Fix clearing of
5277 cfun->eh->region_array entries.
5279 2006-05-01 DJ Delorie <dj@redhat.com>
5281 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5282 build!=host.
5283 (gcc_cv_objdump): Likewise.
5284 * configure: Regenerated.
5286 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5288 PR target/27374
5289 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5290 templates for case 3 and 4.
5292 2006-05-01 DJ Delorie <dj@redhat.com>
5294 * vec.c: Include bconfig.h when appropriate.
5295 * Makefile.in (build/vec.o): Adjust dependencies.
5296 * mkconfig.sh: Make sure config.h isn't used for build machine
5297 compiles.
5299 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5301 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5302 variables.
5303 (mark_phi_for_rewrite): New function.
5304 (insert_phi_nodes_for, mark_use_interesting): Call
5305 mark_phi_for_rewrite.
5306 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5307 (update_ssa): Initialize and free phis_to_rewrite.
5309 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5311 PR rtl-optimization/27291
5312 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5313 folded to a constant.
5315 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5317 PR tree-optimization/27283
5318 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5319 not whole # of iteration descriptions.
5320 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5321 uses abnormal ssa name.
5322 (niter_for_single_dom_exit): Ditto.
5323 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5324 return just the number of iterations.
5326 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5328 PR tree-optimization/27144
5329 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5330 (record_estimate): Only record constant upper bound.
5331 (infer_loop_bounds_from_undefined): Call
5332 compute_estimated_nb_iterations just once.
5333 (proved_non_wrapping_p): Renamed to ...
5334 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5335 (convert_step_widening, scev_probably_wraps_p): Call
5336 n_of_executions_at_most instead of proved_non_wrapping_p.
5337 (substitute_in_loop_info): Do not replace values in bounds.
5338 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5339 comments.
5341 2006-05-01 Richard Henderson <rth@redhat.com>
5343 PR c/27358
5344 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5345 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5346 CPP_PRAGMA.
5348 2006-05-01 Roger Sayle <roger@eyesopen.com>
5350 * c-typeck.c (parser_build_binary_op): Don't call the function
5351 unsigned_conversion_warning to spot operand/result type overflow.
5352 (build_binary_op): Instead, call convert_and_check instead of
5353 convert to report the problem when the operands are promoted.
5354 * c-common.c (unsigned_conversion_warning): Make static.
5355 * c-common.h (unsigned_conversion_warning): Delete prototype.
5357 2006-05-01 Richard Guenther <rguenther@suse.de>
5359 PR tree-optimization/26726
5360 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5361 problem ...
5362 (find_interesting_uses_address): ... we work around here
5363 by folding INDIRECT_REFs in the substituted base.
5365 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5367 * omp-low.c (dump_omp_region): Add newlines.
5369 2006-04-30 Roger Sayle <roger@eyesopen.com>
5371 * common.opt (Woverflow): New command line option.
5372 * c-common.c (constant_expression_warning): Check warn_overflow.
5373 (overflow_waring): Pass OPT_Woverflow to warning.
5374 (unsigned_conversion_warning): Likewise.
5375 (convert_and_check): Likewise.
5376 * doc/invoke.texi: Document new command line option.
5378 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5380 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5381 TARGET_NO_FP_IN_TOC for section anchors.
5382 (optimization_options): Enable section anchors for all
5383 non-"Objective" languages.
5385 2006-04-28 Eric Christopher <echristo@apple.com>
5387 * config/darwin-c.c (darwin_ms_struct): Move this
5388 (darwin_set_default_type_attributes): and this...
5389 * config/darwin.c: ... here.
5390 * config/darwin.h (darwin_ms_struct): Declare.
5392 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5394 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5396 2006-04-28 Roger Sayle <roger@eyesopen.com>
5398 PR c/25309
5399 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5400 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5401 an unsigned HOST_WIDE_INT.
5402 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5403 array index.
5404 (really_start_incremental_init): No need to call convert because
5405 bitsize_zero_node is already of type bitsizetype.
5406 (push_init_level): Extract the value of constructor_index as an
5407 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5408 (process_init_element): Likewise.
5410 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5412 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5413 value before passing to make_relative_prefix.
5415 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5417 PR middle-end/27260
5418 * builtins.c (expand_builtin_memset): Expand val in original mode.
5420 2006-04-27 Eric Christopher <echristo@apple.com>
5422 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5423 with #ifndef/#endif.
5424 * config/darwin-c.c (darwin_ms_struct): New.
5425 (darwin_pragma_ms_struct): Ditto.
5426 (darwin_set_default_type_attributes): Ditto.
5427 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5428 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5429 Register ms_struct pragma.
5430 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5431 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5432 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5433 darwin_set_default_type_attributes if TARGET_MACHO.
5435 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5437 PR tree-optimization/26854
5438 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5439 * doc/tree-ssa.texi: Update immuse iterator documentation.
5440 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5441 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5442 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5443 first_safe_imm_use, next_safe_imm_use): Remove.
5444 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5445 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5446 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5447 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5448 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5449 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5450 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5451 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5452 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5453 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5454 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5455 (perfect_nestify): Use new iterator.
5456 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5457 iterator.
5458 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5459 (next_imm_name): New field in struct immediate_use_iterator_d.
5460 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5461 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5462 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5463 * tree-cfg.c (replace_uses_by): Use new iterator.
5464 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5465 * tree-ssa-operands.c (correct_use_link): Remove.
5466 (finalize_ssa_use_ops): No longer call correct_use_link.
5468 2006-04-27 Stuart Hastings <stuart@apple.com>
5470 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5471 * config/t-darwin (crt3.o): Use it.
5472 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5473 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5474 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5475 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5476 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5477 support.
5479 2006-04-27 Roger Sayle <roger@eyesopen.com>
5481 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5482 size, force the intermediate into a new pseudo rather instead of
5483 performing both a bitwise AND and a bitwise IOR in memory.
5485 2006-04-27 Richard Guenther <rguenther@suse.de>
5487 PR rtl-optimization/26685
5488 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5489 this one "max-flow-memory-locations".
5491 2006-04-27 Richard Guenther <rguenther@suse.de>
5493 PR tree-optimization/25148
5494 * tree-vrp.c (compare_values): Remove code dealing with
5495 comparisons against type min/max value. Honour overflow
5496 and negative constants in code dealing with comparisons
5497 of plus and minus expressions.
5498 (value_inside_range): Use fold_binary with LE_EXPR and
5499 GE_EXPR rather than compare_values.
5501 2006-04-27 Dirk Mueller <dmueller@suse.de>
5503 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5504 prototype for SSE.
5506 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5508 * basic-block.h (safe_insert_insn_on_edge): Removed.
5509 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5511 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5512 Paolo Bonzini <bonzini@gnu.org>
5514 PR middle-end/27282
5515 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5516 (simplify_and_const_int): Same.
5518 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5520 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5522 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5524 PR c/26171
5525 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5526 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5527 cgraph_global_info_ready.
5529 PR middle-end/26913
5530 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5532 PR c/25996
5533 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5534 either decl or init is error_mark_node.
5536 PR middle-end/25989
5537 * tree-flow.h (struct omp_region): Add sched_kind.
5538 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5539 instead of extracting omp for data.
5540 (expand_omp_for): Save extracted sched_kind.
5542 2006-04-25 Roger Sayle <roger@eyesopen.com>
5544 * expmed.c (store_bit_field): Also check whether the bitsize is
5545 valid for the machine's "insv" instruction before moving the
5546 target into a pseudo for use with the insv.
5547 * config/i386/predicates.md (const8_operand): New predicate.
5548 * config/i386/i386.md (extv, extzv, insv): Use the new
5549 const8_operand predicate where appropriate.
5551 2006-04-25 DJ Delorie <dj@redhat.com>
5553 * doc/install.texi (Specific): Clarify that this is not a list of
5554 supported hosts or targets.
5556 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5558 PR rtl-optimization/26725
5559 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5560 block's BB_DIRTY flag.
5562 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5564 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5565 are no branches.
5567 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5568 to print an integer.
5570 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5572 * varasm.c (align_variable): New function.
5573 (get_block_for_decl): Apply align_variable to DECL before
5574 calculating section information.
5575 (assemble_variable): Split out alignment computation.
5577 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5579 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5580 machines.
5582 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5584 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5585 MODE_PARTIAL_INT mode.
5586 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5587 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5588 for CONST_INTs.
5589 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5590 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5591 V2PDImode.
5592 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5593 New predicates.
5594 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5595 New constants.
5596 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5597 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5598 MACFLAG_IH): Likewise.
5599 (movstricthi_1): Renamed from "*movstricthi".
5600 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5601 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5602 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5603 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5604 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5605 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5606 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5607 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5608 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5609 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5610 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5611 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5612 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5613 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5614 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5616 * doc/rtl.texi (ss_ashift): Improve wording.
5618 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5620 * dwarf2out.c (verify_marks_clear): New.
5621 (prune_unused_types): Call verify_marks_clear initially, not
5622 prune_unmark_dies.
5624 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5626 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5627 * doc/rtl.texi: Document them.
5628 * simplify-rtx.c (simplify_unary_operation,
5629 simplify_binary_operation_1): Don't abort when we see them.
5631 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5633 Revert:
5634 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5635 * configure.ac: Completely disregard languages that are not
5636 enabled.
5637 * configure: Regenerated.
5639 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5640 Richard Guenther <rguenther@suse.de>
5642 PR tree-optimization/27236
5643 * tree-inline.c (copy_body_r): Make sure to copy
5644 TREE_THIS_VOLATILE flag.
5646 2006-04-24 Richard Guenther <rguenther@suse.de>
5648 PR middle-end/26869
5649 * tree-complex.c (update_parameter_components): Don't handle
5650 unused parameters which have no default def.
5652 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5653 Richard Guenther <rguenther@suse.de>
5655 PR tree-optimization/27218
5656 * tree-inline.c (expand_call_inline): Strip useless type
5657 conversions for the return slot address.
5659 2006-04-24 Richard Guenther <rguenther@suse.de>
5661 * cfgloop.h (struct loops): Remove unused field array. Reorder
5662 state after num.
5663 (LOOP_PREFETCH): Remove.
5665 2006-04-24 Richard Guenther <rguenther@suse.de>
5667 PR tree-optimization/22525
5668 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5669 variable, adjust types of generated expressions.
5671 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5673 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5674 (tree-vect-patterns.o): Likewise.
5675 (jump.o): Likewise.
5676 (cselib.o): Likewise.
5677 (loop-doloop.o): Likewise.
5678 (regclass.o): Likewise.
5679 (reload1.o): Likewise.
5680 (explow.o): Replace target.h with $(TARGET_H).
5681 (ipa-prop.o): Likewise.
5682 (ipa-cp.o): Likewise.
5683 (ipa-inline.o): Likewise.
5684 (reorg.o): Likewise.
5685 (reg-stack.o): Likewise.
5687 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5689 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5691 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5693 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5695 * configure.ac: Completely disregard languages that are not
5696 enabled.
5697 * configure: Regenerated.
5699 PR c++/26534
5700 * c-common.h (c_build_bitfield_integer_type): Declare.
5701 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5702 * c-common.c (c_build_bitfield_integer_type): ... here.
5704 2006-04-23 Roger Sayle <roger@eyesopen.com>
5706 PR target/21283
5707 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5708 a SImode SUBREG of a floating point register after no_new_pseudos.
5710 2006-04-23 Roger Sayle <roger@eyesopen.com>
5712 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5713 identify potentially eliminable registers to additionally catch
5714 VIRTUAL_INCOMING_ARGS_REGNUM.
5715 (addsi3): Update the conditions on when to use addsi_small_int.
5717 2006-04-23 Roger Sayle <roger@eyesopen.com>
5719 PR target/16641
5720 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5721 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5722 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5724 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5726 * fold-const.c (range_predecessor): Use operand_equal_p
5727 as the predicate for equality.
5728 (range_successor): Likewise.
5730 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5732 Revert:
5733 * config/soft-fp/op-common.h: Fix a typo.
5735 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5737 PR libmudflap/26864
5738 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5739 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5741 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5743 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5744 Fix comment typos.
5745 * doc/tm.texi: Fix a typo.
5747 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5749 * dwarf2out.c (struct die_struct): Document that die_sib makes
5750 a circular linked list.
5751 (FOR_EACH_CHILD): New.
5752 (reverse_die_lists): Delete.
5753 (reverse_all_dies): Delete.
5754 (add_dwarf_attr): Correct documentation.
5755 (remove_child_with_prev): New.
5756 (remove_child_TAG): Update for change to die_struct, use
5757 remove_child_with_prev.
5758 (add_child_die): Update for change to die_struct.
5759 (splice_child_die): Use remove_child_with_prev and add_child_die.
5760 (print_die): Use FOR_EACH_CHILD.
5761 (die_checksum): Likewise.
5762 (assign_symbol_names): Likewise.
5763 (output_location_lists): Likewise.
5764 (build_abbrev_table): Likewise.
5765 (calc_die_sizes): Likewise.
5766 (mark_dies): Likewise.
5767 (unmark_dies): Likewise.
5768 (unmark_all_dies): Likewise.
5769 (output_die): Likewise.
5770 (prune_unused_types_mark): Likewise.
5771 (prune_unused_types_walk): Likewise.
5772 (same_die_p): Update for change to die_struct.
5773 (break_out_includes): Likewise.
5774 (prune_unused_types_prune): Likewise.
5775 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5776 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5777 it's already clear.
5778 (dwarf2out_finish): Don't call reverse_all_dies.
5780 2006-04-21 Eric Christopher <echristo@apple.com>
5782 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5783 in comments and function names.
5785 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5787 PR c/25875
5788 * c-typeck.c (digest_init): Robustify.
5790 * c-typeck.c (pop_init_level): Simplify.
5792 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5794 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5796 2006-04-21 Paul Brook <paul@codesourcery.com>
5798 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5799 hardware floating point.
5801 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5803 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5804 NON_FLOAT_REGS.
5806 2006-04-21 Nick Clifton <nickc@redhat.com>
5808 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5809 OPT_EXTRA_PARTS.
5811 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5813 PR target/27230
5814 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5815 C++ lang type in traceback table for Objective-C++.
5817 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5819 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5821 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5823 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5825 PR mudflap/26789
5826 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5827 were errors. Remove check for erroneous objects.
5829 2006-04-20 Jeff Law <law@redhat.com>
5831 PR tree-optimization/26854
5832 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5833 checking for zero or one use.
5834 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5835 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5836 * tree-ssa-reassoc.c (negate_value): Similarly.
5837 (reassociate_bb): Similarly.
5839 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5841 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5842 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5843 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5845 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5847 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5848 fp regs if the last fp arg doesn't fit in regs.
5850 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5852 PR target/27182
5853 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5854 that the last insn has the REG_INC note.
5856 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5857 Nathan Sidwell <nathan@codesourcery.com>
5859 PR c/26774
5860 * stor-layout.c (update_alignment_for_field): Do not align
5861 ERROR_MARK nodes.
5862 (place_union_field): Place union field at the start of the union.
5863 (place_field): Move ERROR_MARK check later, and use the current
5864 allocation position to maintain monotonicity.
5866 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5868 * dominance.c: Include timevar.h.
5869 (calculate_dominance_info): Use TV_DOMINANCE.
5870 * timevar.def (TV_DOMINANCE): New timevar.
5871 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5873 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5875 PR rtl-optimization/14261
5876 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5877 move would be an INSV insn.
5878 (noce_process_if_block): Don't optimize if the destination is a
5879 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5881 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5883 * config/s390/s390.md: Add comments with the instructions emitted
5884 by an insn pattern if macros are used.
5886 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5888 PR rtl-optimization/26026
5889 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5890 is a known power of two shifted left a variable amount.
5892 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5894 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5895 to hash table twice when the debug_str section has SECTION_MERGE.
5897 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5899 * config/soft-fp: New directory. From glibc.
5900 * config/soft-fp/t-softfp: New.
5901 * config/soft-fp/README: New.
5902 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5903 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5904 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5905 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5906 * config.gcc: Use rs6000/t-fprules-fpbit or
5907 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5908 rs6000/t-fprules.
5909 * config/rs6000/sfp-machine.h: New. Based on glibc.
5910 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5911 New.
5912 * config/rs6000/t-fprules: Remove fp-bit rules.
5913 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5914 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5915 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5916 (softfp_wrap_start, softfp_wrap_end): New.
5918 2006-04-18 DJ Delorie <dj@redhat.com>
5920 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5922 2006-04-18 Devang Patel <dpatel@apple.com>
5924 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5926 2006-04-18 Nick Clifton <nickc@redhat.com>
5928 * config/sh/t-symbian: Add rule to build sh-c.o
5929 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5930 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5931 (sh_symbian_encode_section_info): Likewise.
5933 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5935 * builtins.c (expand_builtin_strcmp): Cover label definition of
5936 do_libcall with HAVE_cmpstrnsi.
5938 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5940 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5941 instead of VARRAY.
5942 * function.h (temp_slot_p): New.
5943 (function): Change the type of x_used_temp_slots to
5944 VEC(temp_slot_p,gc) *.
5946 2006-04-18 Nick Clifton <nickc@redhat.com>
5948 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5949 flag_strength_reduce.
5951 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5953 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5955 PR target/27117
5957 Partial revert of revision 112637
5958 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5959 Dale Johannesen <dalej@apple.com>
5961 PR target/19653
5962 * regclass.c (struct reg_pref): Update documentation.
5963 (regclass): Set prefclass to NO_REGS if memory is the best option.
5964 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5966 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5968 PR tree-optimization/26821
5969 * tree-ssa-math-opts.c (get_constant_one): New.
5970 (insert_reciprocals): Use it.
5972 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5974 * dwarf2out.c (free_AT): Delete.
5975 (remove_AT): Update string ref counts.
5976 (remove_child_TAG): Don't call free_die.
5977 (free_die): Delete.
5978 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5979 or DW_TAG_GNU_EINCL.
5980 (prune_unused_types_walk_attribs): Reset string refcounts.
5981 (prune_unused_types_update_strings): New.
5982 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5983 call free_die. Do call prune_unused_types_update_strings.
5984 (prune_unused_types): Empty debug_str_hash.
5986 2006-04-17 Roger Sayle <roger@eyesopen.com>
5988 * expr.c (expand_assignment): Optimize away no-op moves where the
5989 source and destination are equal and have no side-effects.
5991 2006-04-17 Richard Guenther <rguenther@suse.de>
5993 PR target/26826
5994 * reload.c (push_reload): Guard calls to get_secondary_mem
5995 for memory subregs.
5997 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5999 * alias.c (reg_base_value, old_reg_base_value): Change the
6000 type to VEC(rtx,gc) *.
6001 (REG_BASE_VALUE, find_base_value, record_set,
6002 init_alias_analysis): Use VEC instead of VARRAY.
6004 * alias.c (alias_sets): Change the type to
6005 VEC(alias_set_entry,gc) *.
6006 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6007 VEC instead of VARRAY.
6008 (last_alias_set): Remove.
6010 * cgraph.h (cgraph_edge_p): New.
6011 Update the prototype of cgraph_function_versioning.
6012 * cgraphunit.c (cgraph_copy_node_for_versioning,
6013 cgraph_function_versioning): Use VEC instead of VARRAY.
6014 * ipa-cp.c (ipcp_insert_stage): Likewise.
6016 2006-04-16 Roger Sayle <roger@eyesopen.com>
6018 PR target/26961
6019 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6020 "A op B" or "A op C", we may need to convert A to the type of B and C.
6022 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6024 * target.h (struct gcc_target): Add mode_rep_extended.
6025 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6026 (init_num_sign_bit_copies_in_rep): Initialize it using
6027 mode_rep_extended.
6028 (truncate_to_mode): Use it.
6029 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6030 * targhooks.h (default_mode_rep_extended): Declare it.
6031 * targhooks.c (default_mode_rep_extended): Define it.
6032 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6033 default_mode_rep_extended.
6034 (TARGET_INITIALIZER): Include it.
6035 * doc/tm.texi (Misc): Document it.
6036 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6037 (mips_truncated_to_mode): New function.
6039 2006-04-16 Roger Sayle <roger@eyesopen.com>
6041 PR middle-end/25474
6042 * expr.c (compress_float_constant): Copy the narrow constant into
6043 a new pseudo before extending it to its final width.
6045 2006-04-16 Roger Sayle <roger@eyesopen.com>
6046 Andrew Pinski <pinskia@gcc.gnu.org>
6047 Dale Johannesen <dalej@apple.com>
6049 PR target/24076
6050 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6051 special case code to implement V8HImode and V16QImode with SSE2.
6053 2006-04-15 Roger Sayle <roger@eyesopen.com>
6055 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6056 trees are constructed with a suitable tree type.
6058 2006-04-15 Roger Sayle <roger@eyesopen.com>
6060 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6061 (integer_onep): Likewise.
6062 (integer_all_onesp): Likewise.
6063 (integer_pow2p): Likewise.
6064 (integer_nonzerop): Likewise.
6065 (real_zerop): Likewise.
6066 (real_onep): Likewise.
6067 (real_twop): Likewise.
6068 (real_minus_onep): Likewise.
6069 (int_size_in_bytes): Likewise.
6070 (host_integerp): Likewise.
6072 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6074 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6075 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6076 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6078 * tree-ssa-structalias.h (alias_info): Remove num_references.
6080 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6082 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6083 (output_bvb patterns): Likewise.
6084 * pa.c (output_bb): Use 'bb' insn for long branch case.
6085 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6086 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6087 1. Correct length operand for alternatives 1 and 2.
6088 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6089 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6091 2006-04-14 Roger Sayle <roger@eyesopen.com>
6093 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6094 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6095 were accidentally reverted by r112959.
6097 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6099 PR middle-end/26823
6100 * except.h (eh_region_outermost): New prototype.
6101 * except.c (eh_region_outermost): New function.
6102 * tree-cfg.c (find_outermost_region_in_block): Use it.
6104 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6106 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6107 of VARRAY.
6108 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6109 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6110 (init_reload, reload): Use VEC instead of VARRAY.
6111 * reload.h: Update the prototype for
6112 reg_equiv_memory_loc_varray.
6114 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6115 Eric Botcazou <ebotcazou@libertysurf.fr>
6117 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6118 register save area.
6120 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6122 PR middle-end/27134
6123 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6124 to expand fallback builtin function call.
6126 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6128 PR middle-end/27095
6129 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6130 and emit libcall here in case the builtin fails.
6131 (expand_builtin_strcmp): Always emit the libcall here on failure.
6133 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6135 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6136 * flow.c (reg_n_info): Change the type to
6137 VEC(reg_info_p,heap) *.
6138 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6139 instead of VARRAY.
6140 * regs.h (reg_info_p): New.
6141 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6142 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6143 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6144 instead of VARRAY.
6146 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6148 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6149 defaulting to 100.
6150 * params.h (MAX_SCHED_READY_INSNS): New macro.
6151 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6152 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6153 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6154 the ready list for 1 cycle during the first scheduling pass.
6155 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6157 2006-04-13 Richard Henderson <rth@redhat.com>
6159 PR libgomp/26651
6160 * gimple-low.c (lower_omp_directive): Remove dead code.
6161 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6162 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6163 * omp-low.c (struct omp_region): Move to tree-flow.h.
6164 (root_omp_region): Export.
6165 (omp_regions, lookup_omp_region): Remove.
6166 (determine_parallel_type): Update for struct omp_region changes.
6167 (dump_omp_region): Dump regions with block numbers.
6168 (new_omp_region): Take type and block instead of stmt; malloc
6169 instead of ggc.
6170 (free_omp_region_1, free_omp_regions): New.
6171 (expand_parallel_call): Take entry_stmt as argument; update for
6172 changes to omp_region.
6173 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6174 (remove_exit_barriers): New.
6175 (expand_omp_parallel): Update for struct omp_region changes.
6176 (expand_omp_synch): Likewise.
6177 (expand_omp): Likewise.
6178 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6179 (expand_omp_for_static_chunk): Likewise.
6180 (expand_omp_for): Likewise.
6181 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6182 (expand_omp_sections): Similarly, with GOMP_sections_end.
6183 (expand_omp_single): New.
6184 (build_omp_regions_1): Update for OMP_CONTINUE.
6185 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6186 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6187 OMP_SECTIONS_SECTIONS.
6188 (lower_omp_single_simple): Don't emit barrier here.
6189 (lower_omp_single_copy): Likewise.
6190 (lower_omp_single): Fix bindings, and lower to straightline now.
6191 (lower_omp_master, lower_omp_ordered): Likewise.
6192 (lower_omp_critical): Likewise.
6193 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6194 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6195 omp edges, free it afterward.
6196 (make_omp_sections_edges): Remove.
6197 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6198 (move_stmt_r): Handle OMP_CONTINUE.
6199 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6200 statement pointers to basic blocks. Add type member.
6201 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6202 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6203 * tree-inline.c (estimate_num_insns_1): Likewise.
6204 * tree-pretty-print.c (dump_generic_node): Likewise.
6205 * tree-ssa-operands.c (get_expr_operands): Likewise.
6206 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6207 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6208 (OMP_CONTINUE): New.
6209 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6210 (OMP_SECTIONS_SECTIONS): Remove.
6211 (OMP_SECTION_LAST): New.
6212 (OMP_RETURN_NOWAIT): New.
6214 2006-04-13 Roger Sayle <roger@eyesopen.com>
6216 * fold-const.c (native_encode_vector, native_interpret_real):
6217 Correct obvious mistakes in the previous check-in.
6219 2006-04-13 Roger Sayle <roger@eyesopen.com>
6221 * fold-const.c (native_encode_expr): New function to encode
6222 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6223 or VECTOR_CST into a specified buffer.
6224 (native_encode_int): New function.
6225 (native_encode_real): New function.
6226 (native_encode_complex): New function.
6227 (native_encode_vector): New function.
6228 (native_interpret_expr): Inverse of native_encode_expr to convert
6229 a target representation into an INTEGER_CST, REAL_CST etc...
6230 (native_interpret_int): New function.
6231 (native_interpret_real): New function.
6232 (native_interpret_complex): New function.
6233 (native_interpret_vector): New function.
6234 (fold_view_convert_expr): New function to constant fold/evaluate
6235 a VIEW_CONVERT_EXPR of a suitable constant expression.
6236 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6237 Change call of build1 to fold_build1 when constructing a
6238 VIEW_CONVERT_EXPR.
6240 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6241 Ulrich Weigand <uweigand@de.ibm.com>
6243 PR target/27006
6244 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6245 to be even.
6247 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6249 PR target/26459
6250 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6251 optimize to lo_sum for DFmode if !TARGET_FPRS.
6253 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6255 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6256 delete_alias_info, compute_flow_sensitive_aliasing,
6257 group_aliases): Use VEC instead of VARRAY.
6258 * tree-ssa-structalias.c (update_alias_info): Likewise.
6259 * tree-ssa-structalias.h (alias_info): Change the type of
6260 processed_ptrs to VEC(tree,heap) *.
6262 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6264 PR target/27060
6265 * config/sh/lib1funcs.h: New file, broken out of:
6266 * config/sh/lib1funcs.asm.
6267 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6268 New macros.
6269 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6270 * config/sh/lib1funcs-Os-4-200.asm: New file.
6271 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6272 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6273 (EXTRA_MULTILIB_PARTS): Include it.
6274 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6275 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6276 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6277 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6278 TARGET_SH2.
6280 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6282 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6283 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6284 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6285 VARRAY.
6286 * tree-ssa-live.h: Include vecprim.h.
6287 (tree_partition_associator_d): Change the type of
6288 first_partition to VEC(int,heap) *.
6289 (tpa_first_partition): Use VEC instead of VARRAY.
6291 * Makefile.in (GTFILES): Move functions.h after tree.h.
6292 * function.c (reset_block_changes, record_block_change,
6293 check_block_change, free_block_changes): Use VEC instead of
6294 VARRAY.
6295 * function.h (function): Change the type of
6296 ib_boundaries_block to VEC(tree,gc) *.
6297 * tree-inline.c (copy_cfg_body): Initialize
6298 ib_boundaries_block to NULL instead of (varray_type) 0.
6300 2006-04-12 Roger Sayle <roger@eyesopen.com>
6302 * expr.c (emit_group_store): Correct operand order in call to
6303 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6304 a SUBREG_BYTE of zero.
6306 2006-04-12 Richard Guenther <rguenther@suse.de>
6308 * profile.c (compute_branch_probabilities): Remove code
6309 encapsulated in !ir_type (), which are remanents of the
6310 removed RTL profiling code.
6311 * rtl-profile.c: Remove.
6313 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6315 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6316 magic NULL_RTX comment.
6317 (function_arg): Store entire fp arg to mem if any part should go
6318 on stack.
6319 (rs6000_arg_partial_bytes): Adjust for above change.
6321 2006-04-11 Roger Sayle <roger@eyesopen.com>
6323 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6324 if it hasn't been initialized by dwarf2out_init.
6326 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6328 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6329 symbolic constants in branch patterns.
6331 2006-04-11 Roger Sayle <roger@eyesopen.com>
6333 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6335 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6337 PR rtl-optimization/27073
6338 * gcse.c (try_replace_reg): Revert last change. Continue to search
6339 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6340 on the former.
6342 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6344 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6345 aggregate types other than record and union types.
6346 (function_arg): Likewise.
6347 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6348 small arrays.
6349 (function_value): In 64-bit mode, return objects that require it
6350 in FP registers.
6352 2006-04-11 Roger Sayle <roger@eyesopen.com>
6354 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6356 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6358 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6360 2006-04-03 Jeff Law <law@redhat.com>
6362 PR/27087
6363 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6364 alias information too.
6366 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6368 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6370 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6372 PR/21391
6373 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6374 (premark_used_types_helper): New.
6375 (premark_used_types): New.
6376 (gen_subprogram_die): Call premark_used_types.
6377 (prune_unused_types_walk): Do not prune perennial dies.
6378 * function.c (used_types_insert): New.
6379 * function.h (struct function): Add used_types_hash field.
6380 (used_types_insert): Add prototype.
6381 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6382 * c-parser.c (c_parser_cast_expression): Save casted types in used
6383 types hash table.
6385 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6387 PR target/26459
6388 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6389 rs6000_explicit_options.float_gprs.
6391 2006-04-10 Roger Sayle <roger@eyesopen.com>
6393 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6394 from ix86_expand_vector_init_low_nonzero. Take an additional
6395 one_var argument indicating which element is non-zero. Support
6396 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6397 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6398 with one_var instead of ix86_expand_vector_init_low_nonzero.
6400 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6402 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6403 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6404 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6405 build/genextract.o): Depend on vecprim.h.
6406 * cfglayout.c, df-problems.c, function.c, genextract.c,
6407 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6408 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6409 vecprim.h.
6410 * vecprim.h: New.
6412 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6414 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6415 Declare VECs of this type.
6416 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6417 (remove_children): Delete.
6418 (add_dwarf_attr): Use VEC routines.
6419 (add_AT_flag): Update for changes to add_dwarf_attr.
6420 (add_AT_int): Likewise.
6421 (add_AT_unsigned): Likewise.
6422 (add_AT_long_long): Likewise.
6423 (add_AT_vec): Likewise.
6424 (add_AT_string): Likewise.
6425 (add_AT_die_ref): Likewise.
6426 (add_AT_fde_ref): Likewise.
6427 (add_AT_loc): Likewise.
6428 (add_AT_loc_list): Likewise.
6429 (add_AT_addr): Likewise.
6430 (add_AT_lbl_id): Likewise.
6431 (add_AT_lineptr): Likewise.
6432 (add_AT_macptr): Likewise.
6433 (add_AT_offset): Likewise.
6434 (add_AT_range_list): Likewise.
6435 (get_AT): Use VEC_iterate.
6436 (remove_AT): Use VEC_ordered_remove.
6437 (free_die): Fold remove_children into here; have it use VEC_iterate.
6438 (print_die): Use VEC_iterate on attrs.
6439 (reverse_die_lists): Don't reverse attr lists.
6440 (die_checksum): Use VEC_iterate on attrs.
6441 (same_die_p): Likewise.
6442 (output_location_lists): Likewise.
6443 (build_abbrev_table): Likewise.
6444 (size_of_die): Likewise.
6445 (unmark_all_dies): Likewise.
6446 (output_abbrev_section): Likewise.
6447 (output_die): Likewise.
6448 (prune_unused_types_walk_attribs): Likewise.
6450 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6452 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6454 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6456 PR debug/27057
6457 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6459 2006-04-09 Roger Sayle <roger@eyesopen.com>
6461 * expr.c (store_constructor): Don't bother clearing target if
6462 we're about to assign a vector to it using vec_init_optab.
6464 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6466 * tree-ssa-alias.c (lhs_may_store_to): New function.
6467 (recalculate_used_alone): Handle LHS of calls.
6469 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6471 PR target/27034
6472 PR target/26508
6473 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6474 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6475 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6476 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6477 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6478 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6479 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6480 stubs. Add ".align 8" directives before all ".dword" directives.
6481 (GTHREAD_USE_WEAK): Revise comment.
6482 (TARGET_ATTRIBUTE_WEAK): Define.
6483 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6484 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6485 * stublib.c: New file.
6487 PR target/26743
6488 PR target/11254
6489 PR target/10274
6490 * pa.md (cbranch patterns): Revise arguments used in calls to
6491 output_cbranch, output_bb and output_bvd. Add long branch length
6492 attributes.
6493 (fbranch patterns): Handle long branches.
6494 (jump): Revise length check. Revise arguments for output_lbranch call.
6495 Add long branch length attributes.
6496 (decrement_and_branch_until_zero): Add long branch length attributes.
6497 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6498 Likewise. Revise arguments for output_parallel_addb and
6499 output_parallel_movb calls.
6500 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6501 output_parallel_movb and output_parallel_addb): Update prototypes.
6502 * pa.c (output_cbranch): Revise arguments. Correct handling of
6503 nullification in long branches.
6504 (output_lbranch): Add new argument to control extraction of delay
6505 instruction.
6506 (output_bb): Handle long branches.
6507 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6508 output_parallel_addb): Likewise.
6510 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6512 PR rtl-optimization/27073
6513 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6514 not REG_EQUIVs.
6516 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6518 * tree.h (tree_memory_tag): Add old_used_alone.
6519 (SMT_OLD_USED_ALONE): New macro.
6520 * tree-ssa-alias.c (recalculate_used_alone): Stop
6521 marking things for renaming unnecessarily.
6523 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6525 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6526 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6527 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6528 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6529 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6530 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6531 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6532 spelling convensions.
6533 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6534 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6535 typos. Follow spelling conventions.
6537 2006-04-07 DJ Delorie <dj@redhat.com>
6539 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6540 passed on the stack.
6541 (m32c_init_cumulative_args): When a function returns a structure,
6542 always pass the pointer to that return area on the stack.
6543 (m32c_function_arg_advance): Don't increment the parameter number
6544 if we're processing the returned structure pointer.
6545 (pushm_info): Reverse order of registers.
6547 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6549 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6550 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6551 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6552 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6553 build_int_cst_type.
6554 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6555 chrec_fold_multiply): Same.
6556 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6557 force_expr_to_var_cost): Same.
6558 * tree-mudflap.c (mf_xform_derefs_1): Same.
6559 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6561 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6563 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6564 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6565 insn.
6567 2006-04-07 Jan Hubicka <jh@suse.cz>
6569 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6571 2006-04-07 Richard Guenther <rguenther@suse.de>
6573 PR tree-optimization/26135
6574 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6575 loads for store copy-prop.
6576 (copy_prop_visit_stmt): Likewise.
6578 2006-04-05 Robert Millan <robertmh@gnu.org>
6580 * config/i386/linux.h: Add a comment to mark macros that are
6581 being overriden in config/k*bsd-gnu.h.
6582 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6583 DYNAMIC_LINKER.
6584 * config/knetbsd-gnu.h: Ditto.
6586 2006-04-06 Jan Hubicka <jh@suse.cz>
6588 PR profile/20815
6589 PR profile/26399
6590 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6591 after buffer.
6593 2006-04-06 Mike Stump <mrs@apple.com>
6595 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6596 for HAVE_nonlocal_goto to be consistent.
6597 (expand_builtin_nonlocal_goto): Likewise.
6598 (expand_builtin_strcmp): Use #ifdef instead of #if
6599 for HAVE_cmpstrnsi to be consistent.
6601 2006-04-05 DJ Delorie <dj@redhat.com>
6603 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6604 vs m32c.
6606 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6608 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6609 got-relative addressing for anything but SImode.
6611 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6612 even if the calling function doesn't modify them.
6614 2006-04-05 Richard Guenther <rguenther@suse.de>
6616 PR tree-optimization/26919
6617 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6618 to cgraph_estimate_size_after_inlining.
6620 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6622 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6624 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6626 PR tree-optimization/26996
6627 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6628 VECTOR_TYPE variables.
6630 2006-04-05 Richard Guenther <rguenther@suse.de>
6632 PR tree-optimization/26763
6633 * fold-const.c (fold_comparison): Move folding of
6634 PTR + CST CMP PTR + CST ...
6635 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6637 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6639 * doc/install.texi (Prerequisites): Refine some wording on
6640 bootstrapping and ksh.
6641 Move the version numbers of DejaGnu here from the testing section
6642 and fix casing of names.
6643 Fix markup and clarify wording for autogen requirements.
6644 Refer to GCJ instead of just java.
6645 Refer to SVN instead of CVS.
6646 Describe diffutils as useful instead of necessary.
6647 (Downloading the source): Refer to SVN instead of CVS.
6648 Adjust a link to our web site accordingly.
6649 (Configuration): Fix casing of Bison.
6650 (Building): Refer to SVN instead of CVS.
6651 Fix a sentence on the use of Bison and remove duplicate (and
6652 incorrect) version number of Bison requirement.
6653 Remove one redundant list of packages needed for building.
6654 (Specific): Avoid reference to CVS.
6656 2006-04-04 Eric Christopher <echristo@apple.com>
6658 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6659 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6660 (rs6000_handle_struct_attribute): New.
6661 (rs6000_ms_bitfield_layout_p): Ditto.
6663 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6665 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6666 NULL for dso parameter to atexit_common.
6668 2006-04-04 Eric Christopher <echristo@apple.com>
6670 * config/i386/i386.c (machopic_output_stub): Output \t
6671 between instructions and operands.
6673 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6675 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6676 satisfies_constraint_[IL] to explicit tests on value.
6678 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6680 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6681 set_nb_iterations_in_loop): Use build_int_cst instead of
6682 build_int_cst_type.
6683 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6684 build_int_cst instead of convert.
6686 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6688 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6689 new value 2 for incoming.
6690 * function.c (expand_function_start): Call struct_value_rtx
6691 with incoming as 2.
6692 * config/sparc/sparc.md: Comment updated_return.
6693 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6694 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6695 struct return if sparc_std_struct_return and incoming is 2.
6696 (print_operand): Do not adjust return if
6697 sparc_std_struct_return.
6699 2006-04-04 Roger Sayle <roger@eyesopen.com>
6701 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6702 convert in the middle-end.
6703 * expr.c (store_expr, store_constructor, get_inner_reference,
6704 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6705 Likewise.
6706 * tree.c (build_range_type): Likewise.
6708 2006-04-04 Tom Tromey <tromey@redhat.com>
6710 * doc/install.texi (Prerequisites): Mention jar.
6712 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6714 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6715 subsection.
6717 2006-04-04 Matthias Klose <doko@debian.org>
6719 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6721 PR bootstrap/26764
6722 PR bootstrap/27334
6723 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6724 strings.
6726 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6728 * doc/extend.texi (Function Attributes): Rewrite visibility
6729 attribute documentation.
6730 * doc/invoke.texi (C++ Dialect Options): Rewrite
6731 -fvisibility-inlines-hidden documentation to describe something
6732 entirely different, although in practise compatible.
6733 (Code Gen Options): Warn about system headers in -fvisibility=
6734 documentation.
6736 * doc/extend.texi (Other Builtins): Document that
6737 __builtin_nan is a compile-time constant only when its argument
6738 is valid.
6740 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6742 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6743 trying to remove TRUNCATE check if all bits outside the new mode
6744 are identical to the sign bit.
6746 2006-04-03 Jeff Law <law@redhat.com>
6748 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6749 and operand scanning in some common cases.
6751 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6752 Dale Johannesen <dalej@apple.com>
6754 PR target/19653
6755 * regclass.c (struct reg_pref): Update documentation.
6756 (regclass): Set prefclass to NO_REGS if memory is the best option.
6757 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6758 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6759 into account. For non-registers, equate an empty preferred
6760 reload class to a `!' in the constraint; move the if clause to
6761 do so after those that reject the insn.
6762 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6763 return NO_REGS.
6764 (find_dummy_reload): Likewise.
6765 * doc/tm.texi (Register Classes): Document what it means
6766 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6767 * config/i386/i386.c (ix86_preferred_reload_class): Force
6768 using SSE registers (and return NO_REGS for floating-point
6769 constants) if math is done with SSE.
6770 (ix86_preferred_output_reload_class): New.
6771 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6772 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6773 * config/i386/i386.md: Remove # register preferences.
6775 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6777 PR bootstrap/26992
6778 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6779 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6780 the type of nb_iter.
6781 (instantiate_parameters_1): Convert the operands before calling
6782 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6783 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6785 2006-04-02 Roger Sayle <roger@eyesopen.com>
6787 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6788 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6789 instead of convert.
6790 * dojump.c (do_jump): Likewise.
6791 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6792 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6793 gimplify_boolean_expr): Likewise.
6794 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6795 * varasm.c (array_size_for_constructor): Likewise.
6796 * tree-object-size.c (compute_object_offset): Likewise.
6798 2006-04-02 Roger Sayle <roger@eyesopen.com>
6800 PR middle-end/26977
6801 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6802 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6804 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6806 PR tree-optimization/26939
6807 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6809 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6811 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6812 at_stmt. Convert the type of operands before calling
6813 build_polynomial_chrec.
6814 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6815 add_to_evolution_1.
6816 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6817 (instantiate_parameters_1): Convert the type of operands before calling
6818 build_polynomial_chrec.
6819 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6820 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6821 reset_evolution_in_loop): Insert asserts to check the types of the
6822 operands.
6823 (chrec_type): Moved...
6824 (eq_evolutions_p): Use operand_equal_p.
6825 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6826 the types of the operands.
6827 (chrec_type): ...here.
6828 * tree-data-ref.c (create_data_ref): Convert the operands before
6829 calling chrec_replace_initial_condition.
6830 (same_access_functions, analyze_subscript_affine_affine,
6831 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6832 (compute_subscript_distance, analyze_ziv_subscript,
6833 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6834 analyze_miv_subscript): Convert the operands before calling
6835 chrec_fold_minus or chrec_fold_plus.
6837 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6839 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6840 the dependence_relations vector.
6841 (compute_data_dependences_for_loop): Adjust call to
6842 compute_all_dependences.
6844 2006-04-01 Roger Sayle <roger@eyesopen.com>
6845 Richard Henderson <rth@redhat.com>
6847 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6848 gimple_boolify on the condition before calling gimplify_expr.
6850 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6852 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6853 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6854 the frame size. Update to use the new macros.
6855 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6856 * config/xtensa/ieee754-df.S: Likewise.
6858 2006-03-31 Richard Henderson <rth@redhat.com>
6860 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6861 (make_edges): ... here. Control fallthru creation with a local
6862 variable. Do not play with fake edges.
6863 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6864 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6865 a boolean.
6867 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6869 * dwarf2.h (DW64_CIE_ID): Define.
6870 * dwarf2out.c (DWARF_CIE_ID): Define.
6871 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6872 length header. Use DWARF_CIE_ID.
6873 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6874 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6876 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6878 * config/sh/linux-atomic.asm: New file.
6879 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6881 2006-03-31 DJ Delorie <dj@redhat.com>
6883 * config/m32c/cond.md: Set condition flags properly throughout.
6884 * config/m32c/minmax.md: Likewise.
6885 * config/m32c/prologue.md: Likewise.
6886 * config/m32c/bitops.md: Likewise.
6887 * config/m32c/muldiv.md: Likewise.
6888 * config/m32c/mov.md: Likewise.
6889 * config/m32c/addsub.md: Likewise.
6890 * config/m32c/m32c.md: Likewise.
6891 * config/m32c/jump.md: Likewise.
6892 * config/m32c/shift.md: Likewise.
6894 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6895 conditionally output the pattern for this.
6896 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6897 (m32c_compare_redundant): New.
6898 (m32c_output_compare): New.
6899 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6901 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6902 dest, not src. Allow other 4-byte modes.
6904 2006-03-30 Denis Chertykov <denisc@overta.ru>
6906 * doc/md.texi: Refer to avr/constraints.md instead of
6907 avr/avr.h.
6909 2006-03-30 Roger Sayle <roger@eyesopen.com>
6911 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6912 signed vs. unsigned comparison failures on some hosts.
6914 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6916 PR target/26459
6917 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6918 change to FLOAT_REGS.
6920 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6921 (rs6000_override_options): Use it.
6922 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6923 only for -mabi=spe/no-spe and -mabi=altivec.
6925 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6927 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6928 !Zdynamiclib.
6930 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6932 * Makefile.in: Rename docdir to gcc_docdir.
6934 2006-03-30 Roger Sayle <roger@eyesopen.com>
6936 PR target/17959
6937 * expr.c (emit_group_store): Optimize group stores into a pseudo
6938 register by using a paradoxical subreg to initialize the destination
6939 if the first or last member of the group specifies a "low part".
6941 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6943 PR target/26734
6944 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6945 * target.h (struct gcc_target.speculate_insn): Change type of the
6946 second parameter to 'int'.
6947 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6948 the second operand of the DEPS_LIST.
6949 (copy_DEPS_LIST_list): Update reference to the second operand of the
6950 DEPS_LIST.
6951 * rtl.h (alloc_DEPS_LIST): Update signature.
6952 * sched-int.h (ds_t): Change typedef to 'int'.
6953 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6955 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6957 * haifa-sched.c (try_ready): Change condition to restore
6958 non-speculative pattern of the instruction.
6959 (process_insn_depend_be_in_spec): Code to keep probability of the
6960 speculative dependence non-decreasing.
6962 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6964 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6965 (single_move_for_movmem): ... this. Also change all uses.
6966 (bfin_expand_strmov): Renamed to...
6967 (bfin_expand_movmem): ... this. Also change all uses.
6968 * config/bfin/bfin.md (movstrsi): Renamed to...
6969 (movstrsi): ...this.
6971 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6973 PR tree-optimization/26830
6975 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6976 (copy_prop_visit_stmt): Remove write-only variable ann.
6977 (init_copy_prop): Check variable loop depth here. Do not simulate
6978 memory-tag and virtual operand PHIs except for store copy prop.
6980 2006-03-30 Richard Guenther <rguenther@suse.de>
6982 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6983 variants with double arguments.
6985 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6987 * genpreds.c (write_tm_constrs_h): Delete variable p.
6988 * genconditions.c (write_header): Add tm-constrs.h to included
6989 headers.
6990 * genpeep.c (main): Add toplev.h to included headers.
6991 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6992 (build/genpeep.o): Add toplev.h dependency.
6993 * config/rs6000/constraints.md: Add "W" constraint.
6995 2006-03-29 Roger Sayle <roger@eyesopen.com>
6997 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6998 sizes by correctly testing whether the size fits a host integer.
6999 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7000 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7001 SImode range for the default sizetype and bitsizetype.
7003 2006-03-29 Roger Sayle <roger@eyesopen.com>
7005 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7006 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7007 quickly if the argument is already of the correct type.
7008 Call fold_build1 instead of build1. Tidy up blank lines.
7010 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7012 * genemit.c (main): Add tm-constrs.h to included headers.
7013 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7014 * genpeep.c (main): Add tm-constrs.h to included headers.
7015 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7016 (write_tm_constrs_h): this and write complete file.
7017 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7018 (write_insn_preds_c): Add tm-constrs.h to included headers.
7019 (gen_constrs): New variable.
7020 (parse_option): Parse "-c".
7021 (main): Invoke write_tm_constrs_h.
7022 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7023 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7024 (object_out_file): Add tm-constrs.h dependency.
7025 (insn-emit.o): Same.
7026 (insn-output.o): Same.
7027 (insn-peep.o): Same.
7028 (insn-preds.o): Same.
7029 (insn-recog.o): Same.
7030 (tm-constsr.h): New target.
7031 (s-constrs-h): New target.
7033 * config/rs6000/constraints.md: New file.
7034 * config/rs6000/rs6000.c: Include tm-constrs.h.
7035 (num_insn_constant_wide): Convert to satisfies_constraint.
7036 (rs6000_rtx_costs): Convert to satisfies_constraint.
7037 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7038 (CONST_OK_FOR_LETTER_P): Delete.
7039 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7040 (EXTRA_CONSTRAINT): Delete.
7041 (EXTRA_MEMORY_CONSTRAINT): Delete.
7042 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7043 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7044 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7045 satisfies_constraint.
7047 * config/i386/i386.c: Include tm-constrs.h.
7049 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7051 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7052 * tree-data-ref.c (find_data_references_in_loop,
7053 compute_data_dependences_for_loop): Use pointers to VEC.
7054 (analyze_all_data_dependences): Adjust calls.
7055 * tree-data-ref.h (find_data_references_in_loop,
7056 compute_data_dependences_for_loop): Adjust declarations.
7057 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7058 compute_data_dependences_for_loop.
7060 2006-03-29 Paul Brook <paul@codesourcery.com>
7062 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7063 (movdf_vfp): Ditto.
7065 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7067 PR tree-optimization/26859
7068 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7069 division by zero.
7070 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7071 for the step after fold_convert.
7073 2006-03-29 Paul Brook <paul@codesourcery.com>
7075 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7076 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7078 2006-03-29 Paul Brook <paul@codesourcery.com>
7080 PR middle-end/23623
7081 * targhooks.c (default_narrow_bitfield): New fuction.
7082 * targhooks.h (default_narrow_bitfield): add prototype.
7083 * target.h (gcc_target): Add narrow_volatile_bitfield.
7084 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7085 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7086 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7087 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7089 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7091 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7092 tmake_file.
7093 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7094 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7095 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7096 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7097 (s390_function_arg_float): Allow SDmode and DDmode values to be
7098 passed in floating point registers.
7099 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7100 check with SCALAR_FLOAT_MODE_P.
7101 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7103 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7105 PR tree-optimization/25985
7106 * tree-ssa-loop-niter.c (number_of_iterations_le,
7107 number_of_iterations_ne): Make comments more precise.
7108 (number_of_iterations_cond): Add only_exit argument. Use the
7109 fact that signed variables do not overflow only when only_exit
7110 is true.
7111 (loop_only_exit_p): New.
7112 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7113 number_of_iterations_cond.
7115 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7117 PR tree-optimization/26643
7118 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7119 bit_field_refs.
7121 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7123 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7124 (divsi3_i4_int): Likewise.
7126 2006-03-28 Roger Sayle <roger@eyesopen.com>
7128 * expr.c (emit_group_store): Only create a new pseudo reg if the
7129 quantity it needs to hold isn't already a suitable pseudo.
7131 2006-03-28 Jeff Law <law@redhat.com>
7133 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7134 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7136 2006-03-28 Roger Sayle <roger@eyesopen.com>
7138 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7139 the equivalent ~X & Y, and the symmetry related transformations.
7140 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7141 ~X & Y, and symmetry related transforms.
7143 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7145 Revert my 2006-03-27 patches.
7147 2006-03-28 Roger Sayle <roger@eyesopen.com>
7149 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7150 ~(T1)X, when T1 and T2 are integer types of the same precision
7151 and (T2)X isn't an extension.
7153 2006-03-28 Jeff Law <law@redhat.com>
7155 PR tree-optimization/26796
7156 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7157 need EH edge cleanups rather than purging them immediately.
7158 (eliminate_degenerate_phis): Handle queued EH cleanups.
7160 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7162 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7163 from parent_var.
7165 2006-03-27 Roger Sayle <roger@eyesopen.com>
7167 PR middle-end/22524
7168 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7169 cast BIT_NOT_EXPR operand to the correct type.
7171 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7173 * tree-loop-linear.c: Don't include varray.h.
7174 (gather_interchange_stats, try_interchange_loops,
7175 linear_transform_loops): Use VEC instead of VARRAY.
7176 * lambda-mat.c: Don't include varray.h.
7177 * tree-chrec.c: Same.
7178 * lambda-trans.c: Same.
7179 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7180 VEC instead of VARRAY.
7181 * tree-vectorizer.h: Idem.
7182 * tree-data-ref.c (dump_data_references,
7183 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7184 initialize_data_dependence_relation, finalize_ddr_dependent,
7185 compute_all_dependences, find_data_references_in_loop,
7186 compute_data_dependences_for_loop, analyze_all_data_dependences,
7187 free_dependence_relation, free_dependence_relations,
7188 free_data_refs): Idem.
7189 * tree-data-ref.h (data_reference_p, subscript_p): New.
7190 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7191 VEC instead of VARRAY.
7192 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7193 (find_data_references_in_loop, compute_data_dependences_for_loop,
7194 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7195 dump_data_dependence_relations, free_dependence_relations,
7196 free_data_refs): Adjust declaration.
7197 (lambda_transform_legal_p): Move declaration here...
7198 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7199 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7200 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7201 vect_analyze_data_refs): Use VEC instead of VARRAY.
7202 * lambda.h (lambda_transform_legal_p): ...from here.
7203 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7204 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7205 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7206 tree-chrec.o): Don't depend on VARRAY_H.
7208 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7210 * rtl.def (Copyright): Update date.
7211 (DEPS_LIST): Change type of the second operand to 'int'.
7212 * target.h (Copyright): Update date.
7213 (struct gcc_target.speculate_insn): Change type of the second parameter
7214 to 'int'.
7215 * lists.c (Copyright): Update date.
7216 (alloc_DEPS_LIST): Change signature. Update reference to the second
7217 operand of the DEPS_LIST.
7218 (copy_DEPS_LIST_list): Update reference to the second operand of the
7219 DEPS_LIST.
7220 * rtl.h (Copyright): Update date.
7221 (alloc_DEPS_LIST): Update signature.
7222 * sched-int.h (Copyright): Update date.
7223 (ds_t): Change typedef to 'int'.
7224 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7226 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7228 * haifa-sched.c (Copyright): Update date.
7229 (try_ready): Change condition to restore non-speculative pattern
7230 of the instruction.
7231 (process_insn_depend_be_in_spec): Code to keep probability of the
7232 speculative dependence non-decreasing.
7234 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7236 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7237 shut up the compiler.
7239 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7241 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7242 to use lib prefix for target.
7243 ($(T)libic_invalidate_array_4-200.a): Likewise.
7244 ($(T)libic_invalidate_array_4a.a): Likewise.
7246 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7247 J"orn Rennecke <joern.rennecke@st.com>
7249 * superh.opt: New file.
7250 * sh.c (boardtype, osruntime): Remove.
7251 * superh.h (SUBTARGET_OPTIONS): Remove.
7252 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7254 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7255 arguments with ^ and/or [].
7257 * config.gcc (sh-*-*): Add quoting to account for quirk of
7258 Solaris /bin/sh.
7259 Replace == with = in enable_incomplete_targets test.
7261 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7262 with MASK_LITTLE_ENDIAN.
7264 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7265 * config/sh/sh.opt: Added to some comments.
7266 * config/sh/superh.h: Removed some chaff.
7268 * config/sh/sh.opt: Add m4-[1234]00* options.
7269 * config/sh/sh.c (sh_handle_option): Likewise.
7270 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7271 (ic_invalidate_array_4-100.o): New rule.
7272 ($(T)libic_invalidate_array_4-100.a): Likewise.
7273 (ic_invalidate_array_4-200.o): Likewise.
7274 ($(T)libic_invalidate_array_4-200.a): Likewise.
7275 (ic_invalidate_array_4a.o): Likewise.
7276 ($(T)libic_invalidate_array_4a.a): Likewise.
7277 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7278 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7279 m4-200*, and m4a*.
7280 * config/sh/crt1.asm: Merged in profiling code.
7281 * config/sh/superh.h (STARTFILE_SPEC): Override.
7282 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7283 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7284 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7286 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7287 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7288 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7290 * sh.opt (mpretend-cmove): New option.
7291 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7292 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7293 (movsicc): Add TARGET_PRETEND_CMOVE code.
7295 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7297 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7298 s390_class_max_nregs): New function prototypes.
7299 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7300 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7301 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7302 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7304 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7306 * dwarf2out.c (add_location_or_const_value_attribute): Call
7307 tree_add_const_value_attribute if nothing else works.
7308 (reference_to_unused): New.
7309 (rtl_for_decl_init): Use reference_to_unused to decide whether
7310 to output an initializer.
7312 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7314 PR target/26459
7315 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7316 peephole removing spe frob_di_df_2.
7318 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7320 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7321 (subscript_dependence_tester_1): Declared.
7322 (print_dir_vectors, print_dist_vectors): New.
7323 (debug_data_dependence_relation): New.
7324 (dump_data_dependence_relation): Print more details.
7325 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7326 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7327 (save_dist_v, save_dir_v, add_outer_distances,
7328 build_classic_dist_vector_1): New.
7329 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7330 Don't test for lambda_vector_lexico_pos.
7331 (same_access_functions, add_multivariate_self_dist,
7332 add_other_self_distances, dir_from_dist): New.
7333 (build_classic_dir_vector): Replace implementation almost identical to
7334 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7335 dir_from_dist.
7336 (subscript_dependence_tester_1): New.
7337 (subscript_dependence_tester): Handle the lexicographically negative
7338 distance vectors by recomputing the dependence relation.
7339 (compute_affine_dependence): Remove parameter loop_nest_depth.
7340 (compute_self_dependence): Don't call compute_subscript_distance.
7341 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7342 Add a parameter for the loop_nest.
7343 (find_loop_nest_1, find_loop_nest): New.
7344 (compute_data_dependences_for_loop): Compute the loop nest, and give
7345 up if the nest is not well formed.
7346 * tree-data-ref.h (loop_p): New.
7347 (struct data_dependence_relation): Replace size_vect field with
7348 loop_nest, a vec of loops.
7349 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7350 (DDR_LOOP_NEST): New.
7351 (print_dir_vectors, print_dist_vectors,
7352 debug_data_dependence_relation): Declared.
7353 (index_in_loop_nest): New.
7354 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7355 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7356 distance.
7358 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7360 * simplify-rtx.c (simplify_relational_operation): Call
7361 simplify_relational_operation_1 even if mode is VOIDmode.
7363 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7365 PR tree-optimization/26804
7366 * tree.h (DECL_CALL_CLOBBERED): New macro.
7367 (tree_decl_common): Add call_clobbered_flag.
7368 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7369 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7370 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7371 (mark_non_addressable): Ditto.
7372 * tree-ssa.c (verify_call_clobbered): New function.
7373 (verify_alias_info): Use it.
7374 * tree-pass.h (pass_reset_cc_flags): New prototype.
7375 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7376 (reset_cc_flags): New function.
7377 * passes.c (init_optimization_passes): Call reset_cc_flags after
7378 initializing referenced_vars.
7380 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7381 Roger Sayle <roger@eyesopen.com>
7383 PR middle-end/26717
7384 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7385 to 1.0 for non-real operands. Implement A / A optimization for
7386 complex operands.
7388 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7390 * config/i386/i386.c (size_cost): Correct the comment for
7391 cost of storing fp registers.
7392 (i386_cost): Likewise.
7393 (i486_cost): Likewise.
7394 (pentium_cost): Likewise.
7395 (pentiumpro_cost): Likewise.
7396 (k6_cost): Likewise.
7397 (athlon_cost): Likewise.
7398 (k8_cost): Likewise.
7399 (pentium4_cost): Likewise.
7400 (nocona_cost): Likewise.
7401 (generic64_cost): Likewise.
7402 (generic32_cost): Likewise.
7404 2006-03-24 Denis Chertykov <denisc@overta.ru>
7406 * config/avr/avr-protos.h (extra_constraint): Delete.
7407 (extra_constraint_Q): New declaration.
7408 * config/avr/constraints.md: New file.
7409 * config/avr/avr.md: Include it.
7410 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7411 (TMP_REGNO, ZERO_REGNO): Likewise.
7412 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7413 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7414 (extra_constraint): Delete.
7415 (extra_constraint_Q): Test for memory constraint 'Q'.
7416 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7417 (REG_CLASS_FROM_LETTER): Delete.
7418 (CONST_OK_FOR_LETTER_P): Delete.
7419 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7420 (EXTRA_CONSTRAINT): Delete.
7421 (TMP_REGNO): Delete.
7422 (ZERO_REGNO): Delete.
7424 2006-03-24 Jeff Law <law@redhat.com>
7426 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7427 directly. Call mark_new_vars_to_rename slightly earlier.
7429 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7431 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7432 (is_cxx): Likewise.
7433 (gen_compile_unit_die): Use new language types for Objective-C and
7434 Objective-C++.
7435 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7436 DW_LANG_C_plus_plus.
7438 PR 26793
7439 * config/t-darwin (crt3.o): Work around bug 26840.
7440 * config/darwin-crt3.c: Rewrite.
7441 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7443 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7445 * doc/invoke.texi: Document -femit-class-debug-always
7446 * common.opt: Add -femit-class-debug-always.
7448 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7450 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7451 index and base register.
7452 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7453 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7454 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7455 REGNO_OK_FOR_INDEX_P.
7456 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7457 ADDR_REGNO_P.
7458 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7459 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7460 REG_OK_FOR_BASE_P): Definitions removed.
7462 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7464 PR middle-end/26611
7465 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7466 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7467 set yet or weren't marked as local yet.
7469 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7471 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7472 the compiler.
7474 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7476 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7477 (rs6000_legitimate_small_data_p): Delete.
7478 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7479 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7480 and make static. Add forward declaration. Update uses.
7481 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7482 of offsettable_memref_p.
7483 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7484 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7486 2006-03-24 Jeff Law <law@redhat.com>
7488 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7489 around bug in immediate-use iterator.
7491 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7493 PR target/26607
7494 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7495 or __LITTLE_ENDIAN__.
7497 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7499 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7500 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7501 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7502 * config/sh/sh.opt (mdiv=): Amend description.
7503 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7504 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7505 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7506 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7507 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7508 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7509 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7510 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7511 TARGET_DIVIDE_CALL_FP.
7513 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7515 * haifa-sched.c (choose_ready): Fix type of the local variable.
7516 Move local variables. Add comment.
7517 (check_reg_live): Change signature. Make callable from debugger.
7518 * sched-int.h (check_reg_live): Update signature.
7519 * sched-ebb.c (check_reg_live): Update parameters.
7520 * sched-rgn.c (check_reg_live): Ditto.
7521 (region_head_or_leaf_p): Check pointer before dereferencing.
7522 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7523 before reload on optimization levels below 1.
7525 2006-03-23 Richard Henderson <rth@redhat.com>
7527 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7528 tls symbols.
7530 PR target/26347
7531 * config/alpha/predicates.md (local_symbolic_operand): Reject
7532 weak symbols.
7534 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7536 PR tree-opt/26795
7537 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7538 expressions which have overflowed constants.
7540 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7542 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7544 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7546 * cfgloopmanip.c (create_loop_notes): Removed.
7547 * final.c (final_scan_insn): Do not handle loop notes.
7548 * jump.c (squeeze_notes): Ditto.
7549 * cfglayout.c (skip_insns_after_block,
7550 duplicate_insn_chain): Ditto.
7551 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7552 create_loop_notes.
7553 * cfgloop.h (create_loop_notes): Declaration removed.
7555 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7557 * varasm.c (output_constant_pool): Restore fnname and fndecl
7558 arguments.
7559 (assemble_start_function): Adjust call accordingly.
7560 (assemble_end_function): Likewise.
7562 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7564 PR mudflap/26789
7565 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7567 PR mudflap/26790
7568 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7570 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7572 PR driver/22600
7573 * system.h (ICE_EXIT_CODE): New macro.
7574 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7575 (diagnostic_action_after_output): Likewise.
7576 * gcc.c (fatal_ice): New function.
7577 (execute): Use it instead of fatal.
7578 (fancy_abort): Likewise.
7579 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7581 2006-03-22 Jeff Law <law@redhat.com>
7583 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7584 iv_analyze_result returning false.
7586 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7588 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7590 2006-03-22 Richard Henderson <rth@redhat.com>
7592 PR middle-end/26084
7593 * except.c (duplicate_eh_regions_0): New.
7594 (duplicate_eh_region_1): Duplicate the children of the node as
7595 well as the node itself. Link them up properly.
7596 (duplicate_eh_region_2): Merge into ...
7597 (duplicate_eh_regions): ... here. Take copy_region argument, and
7598 copy only a sub-tree if asked. Simplify copying and fixup.
7599 (eh_region_outer_p): New.
7600 * except.h (duplicate_eh_regions): Update decl.
7601 (eh_region_outer_p): Declare.
7602 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7603 (lower_omp_master): Likewise.
7604 (lower_omp_ordered): Likewise.
7605 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7606 (move_stmt_r): Use it to remap labels. Handle recursion vs
7607 remap_decls_p properly.
7608 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7609 (find_outermost_region_in_block): New.
7610 (new_label_mapper): New.
7611 (move_sese_region_to_fn): Copy eh information to the new function
7612 properly.
7613 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7614 argument.
7615 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7616 number.
7618 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7620 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7621 into shared libraries.
7623 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7625 * doc/md.texi: Refer to i386/constraints.md instead of
7626 i386/predicates.md.
7627 * config/i386/constraints.md: New file, extracted from...
7628 * config/i386/predicates.md: ...here.
7629 * config/i386/i386.md: Include constraints.md.
7631 2006-03-21 Jason Merrill <jason@redhat.com>
7633 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7635 PR middle-end/20297
7636 * expr.c (init_block_move_fn): Force default visibility.
7637 (init_block_clear_fn): Likewise.
7638 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7639 * targhooks.c (default_external_stack_protect_fail): Likewise.
7641 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7643 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7644 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7645 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7646 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7647 (loadgp): Use mips_current_loadgp_style.
7648 (loadgp_noshared): New pattern.
7649 (sibcall_internal): Use MIPS_CALL.
7650 (sibcall_value_internal): Likewise.
7651 (sibcall_value_multiple_internal): Likewise.
7652 (call_internal): Likewise.
7653 (call_value_internal): Likewise.
7654 (call_value_multiple_internal): Likewise.
7655 (call_split): Use MIPS_CALL and add an 'S' constraint.
7656 (call_value_split): Likewise.
7657 (call_value_multiple_split): Likewise.
7658 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7659 (-mshared): New option.
7660 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7661 (mips_current_loadgp_style): Declare.
7662 * config/mips/mips.c (mips_classify_symbol): Avoid using
7663 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7664 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7665 TARGET_ABSOLUTE_ABICALLS.
7666 (override_options): Adjust comments. Improve the warning that is
7667 issued when -mabicalls and -G are used together.
7668 (mips_file_start): Remove comment.
7669 (mips_current_loadgp_style): New function.
7670 (mips_gnu_local_gp): New variable.
7671 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7672 LOADGP_ABSOLUTE.
7673 (mips_output_function_prologue): Use mips_current_laodgp_style.
7674 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7675 the cprestore instruction.
7676 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7677 live for TARGET_ABSOLUTE_ABICALLS.
7678 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7679 (ASM_SPEC): Pass down -mshared and -mno-shared.
7680 (MIPS_CALL): New macro.
7681 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7682 definition.
7683 * doc/invoke.texi (-mabicalls): Update documentation.
7684 (-mshared): Document.
7686 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7688 * config/ia64/unwind-hpux.c: New file.
7689 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7691 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7693 PR libgomp/26384
7694 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7696 2006-03-21 Jeff Law <law@redhat.com>
7698 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7699 type conversions of a VR_VARYING source to a wider type.
7701 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7703 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7704 tm_file on Solaris 10 and later.
7705 (sparc64-*-solaris2*): Likewise.
7706 (sparc-*-solaris2*): Likewise.
7707 * config/sol26.h: Rename to config/sol2-6.h.
7708 * config/sol2-10.h: New file.
7710 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7712 PR tree-opt/26781
7713 * tree-ssa-pre.c (create_component_ref_by_pieces):
7714 Handle STRING_CST.
7716 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7718 PR c++/26690
7719 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7720 return it immediately.
7722 2006-03-21 Michael Matz <matz@suse.de>
7724 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7725 New members.
7726 (remove_arc, add_arc): Update num_out_arcs member.
7727 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7728 of out arcs.
7729 (cache_presence): New function.
7730 (compare_states_for_equiv): New function.
7731 (state_is_differed): Don't take number of outargs, adjust callers.
7732 Use new invariant for speeding up.
7733 (init_equiv_class): Create initial classes based on sorted
7734 input.
7735 (partition_equiv_class): Don't track out_arcs_num.
7736 (evaluate_equiv_classes): Call cache_presence on all states and
7737 sort them.
7739 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7741 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7742 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7743 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7744 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7745 callers changed.
7746 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7747 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7748 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7749 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7750 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7751 macros.
7752 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7753 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7754 (REGNO_REG_CLASS): ARGP is in PREGS.
7755 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7756 IREGS.
7757 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7758 to deal with those addresses.
7759 * addresses.h: New file.
7760 * caller-save.c: Include "addresses.h".
7761 (init_caller_save): Use new base_reg_class function.
7762 * rtl-factoring.c: Include "addresses.h".
7763 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7764 * recog.c: Include "addresses.h".
7765 (preprocess_constraints): Use new base_reg_class function.
7766 * regrename.c: Include "addresses.h".
7767 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7768 functions. Keep track of a new var INDEX_CODE to compute valid
7769 classes.
7770 (replace_oldest_value_addr): Likewise.
7771 (replace_oldest_value_mem): Use base_reg_class.
7772 * reload.c: Include "addresses.h".
7773 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7774 (find_reloads): Use new base_reg_class function.
7775 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7776 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7777 all callers and prototype changed.
7778 * reload1.c: Include "addresses.h".
7779 (maybe_fix_stack_asms): Use base_reg_class.
7780 * regclass.c: Include "addresses.h".
7781 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7782 (init_reg_autoinc): Use new base_reg_class function.
7783 (record_reg_classes): Likewise.
7784 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7785 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7786 Use new args to compute necessary class.
7788 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7789 regrename.o, rtl-factoring.o): Update dependencies.
7790 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7791 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7792 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7793 REG_OK_FOR_INDEX_P): Delete documentation.
7795 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7797 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7798 from V7 to V9 for Solaris 7 and above.
7800 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7802 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7803 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7804 argument pointers may not alias any other storage.
7805 * common.opt: Define option -fargument-noalias-anything.
7806 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7807 alias semantics is specified by flag_argument_noalias > 2.
7809 2006-03-20 Jeff Law <law@redhat.com>
7811 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7812 (pass_phi_only_cprop): Declare.
7813 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7814 with phi_only_cprop
7815 * tree-ssa-dom.c (degenerate_phi_result): New function.
7816 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7817 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7818 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7819 (eliminate_degenerate_phis): Likewise.
7820 (pass_phi_only_cprop): New pass descriptor.
7821 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7822 support code. Callers updated.
7823 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7824 (store_copy_prop): Likewise.
7825 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7827 2006-03-20 Jason Merrill <jason@redhat.com>
7829 PR c++/21764
7830 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7831 (push_visibility, pop_visibility): Likewise.
7832 * c-pragma.h: Declare them.
7834 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7836 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7838 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7839 parameter and use get_ebb_head_tail.
7840 (sh_md_init_global): Adjust uses of find_regmode_weight.
7842 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7844 * function.h (struct function) <x_tail_recursion_reentry>:
7845 Rename to x_stack_check_probe_note.
7846 (tail_recursion_reentry): Rename to stack_check_probe_note.
7847 * function.c: Replace tail_recursion_reentry with
7848 stack_check_probe_note everywhere.
7849 (expand_function_start): Only emit a note for
7850 stack_check_probe_note with -fstack-protect.
7851 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7853 * emit-rtl.c (remove_unnecessary_notes): Remove.
7854 (pass_remove_unnecessary_notes): Remove.
7855 * rtl.h (remove_unnecessary_notes): Remove prototype.
7856 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7857 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7858 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7860 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7862 PR tree-opt/26629
7863 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7864 (valid_in_set): Handle ARRAY_REF.
7865 Change "if min_variant or VH" to asserts.
7866 (create_component_ref_by_pieces): Handle ARRAY_REF.
7867 (create_expression_by_pieces): Likewise.
7868 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7870 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7872 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7873 is operand of switch, not str[0].
7875 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7877 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7878 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7880 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7882 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7883 end of insn_extra_address_constraint declaration.
7885 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7887 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7888 (no-sum-in-toc): Same.
7889 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7890 variables.
7891 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7892 NO_FP_IN_TOC for -fPIC instead of mask.
7894 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7895 (BOOT_LDFLAGS): Delete.
7896 (LDFLAGS): Delete.
7897 * config/rs6000/t-aix52: Same.
7899 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7900 (stmsi[345678]_power): New.
7902 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7904 * config/ia64/ia64.opt: Add empty line to end of file.
7906 2006-03-17 Richard Guenther <rguenther@suse.de>
7908 PR middle-end/26721
7909 * builtins.c (get_pointer_alignment): For component style references
7910 adjust alignment to the component type alignment. Make sure
7911 to adjust alignment for component access of constants.
7913 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7915 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7916 unconditional jump.
7918 2006-03-17 Paul Brook <paul@codesourcery.com>
7920 * doc/install.texi: Docuemnt --with-mode.
7921 * config.gcc: Add --with-mode for arm*-*-*.
7922 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7924 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7926 * sh.c (max_labelno_before_reorg): New variable.
7927 (sh_reorg): Initialize it.
7928 (find_barrier): Check max_labelno_before_reorg before using
7929 label_to_alignment. Take length of explicit alignment insns
7930 into account. When seeing a UNSPECV_CONST_END, return it.
7932 * sh.c (fixup_mova): Set mode of affected label to QImode.
7933 (untangle_mova): New function.
7934 (find_barrier): Use it. Check mode of label before decrementing
7935 num_mova.
7936 (sh_reorg): Likewise.
7937 Set mode of all insns back to VOIDmode.
7939 * sh.c (MOVA_LABELREF): New macro.
7940 (mova_p, fixup_mova, sh_reorg): Use it.
7941 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7942 ADDR_DIFF_VEC matches mova.
7944 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7946 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7947 with ATTRIBUTE_UNUSED.
7949 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7951 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7952 pointer, instead of assuming it is possible to derive the
7953 correct args size from a call insn.
7955 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7957 * rtl.h (CONST_INT_P): Define.
7958 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7959 instead of GET_CODE(x) == CONST_INT.
7960 (vax_rtx_costs): Likewise.
7961 (vax_output_int_move): Likewise.
7962 (vax_output_int_add): Likewise.
7963 (legitimate_constant_address_p): Likewise.
7964 (index_term_p): Likewise.
7965 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7966 * config/vax/vax.md (and<mode>3): Likewise.
7967 (ashrsi3): Likewise.
7968 (extv): Likewise.
7969 (movstricthi): Likewise.
7970 (movstrictqi): Likewise.
7971 (rotrsi3): Likewise.
7972 (five unnamed insns): Likewise.
7974 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7976 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7977 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7978 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7979 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7980 Pass to ASM_OUTPUT_DWARF_OFFSET.
7981 * dwarf2out.c (debug_frame_section): New.
7982 (output_call_frame_info): Use debug_frame_section. Pass it to
7983 dw2_asm_output_offset.
7984 (output_die): Pass appropriate section to dw2_asm_output_offset.
7985 (output_compilation_unit_header): Likewise.
7986 (output_pubnames): Likewise.
7987 (output_aranges): Likewise.
7988 (enum dw_val_class): Break dw_val_class_lbl_offset into
7989 dw_val_class_lineptr and dw_val_class_macptr.
7990 (add_AT_lbl_offset): Delete.
7991 (add_AT_lineptr): New.
7992 (add_AT_macptr): New.
7993 (AT_lbl): Expect a lineptr or macptr.
7994 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7995 (attr_checksum): Likewise.
7996 (same_dw_val_p): Likewise.
7997 (size_of_die): Likewise.
7998 (value_format): Likewise.
7999 (output_die): Likewise.
8000 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8001 add_AT_lbl_offset.
8002 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8003 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8004 * config/darwin-protos.h (darwin_file_start): New.
8005 (darwin_asm_output_dwarf_offset): New.
8006 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8007 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8008 darwin_file_start.
8009 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8010 if not EH section; simplify.
8011 (darwin_file_start): New.
8012 (darwin_asm_output_dwarf_offset): New.
8013 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8014 mark as 'debug'.
8015 (DEBUG_INFO_SECTION): Likewise.
8016 (DEBUG_ABBREV_SECTION): Likewise.
8017 (DEBUG_ARANGES_SECTION): Likewise.
8018 (DEBUG_MACINFO_SECTION): Likewise.
8019 (DEBUG_LINE_SECTION): Likewise.
8020 (DEBUG_LOC_SECTION): Likewise.
8021 (DEBUG_PUBNAMES_SECTION): Likewise.
8022 (DEBUG_STR_SECTION): Likewise.
8023 (DEBUG_RANGES_SECTION): Likewise.
8024 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8025 (ASM_OUTPUT_DWARF_OFFSET): New.
8027 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8029 * config.gcc (tm_defines): Always add to previous value rather
8030 than replacing it.
8032 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8034 * config/mips/predicates.md (splittable_const_int_operand): New,
8035 split from move_operand.
8036 (splittable_symbolic_operand): New.
8037 (move_operand): Add commentary. Use splittable_const_int_operand.
8038 Inline mips_atomic_symbolic_constant_p.
8039 * config/mips/mips.md: Add combine splitters for handling moves
8040 of splittable_const_int_operands and splittable_symbolic_operands.
8041 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8042 (mips_split_symbol): Declare.
8043 (mips_move_integer): Declare.
8044 * config/mips/mips.c (mips_split_p): Make global.
8045 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8046 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8047 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8048 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8049 (mips_offset_within_object_p): Handle block symbols.
8050 (mips_atomic_symbolic_constant_p): Delete.
8051 (mips_cannot_force_const_mem): Return false for constants that
8052 mips_legitimize_move can handle.
8053 (mips_use_blocks_for_constant_p): New function.
8054 (mips_split_symbol): Make global.
8055 (mips_move_integer): Likewise. Add a temporary register argument.
8056 (mips_legitimize_const_move): Use splittable_const_int_operand and
8057 splittable_symbolic_operand.
8058 (mips_use_anchors_for_symbol_p): New function.
8059 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8060 (mips_split_p): Declare.
8062 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8064 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8065 (mips*-*-linux*): Likewise.
8067 2006-03-16 Roger Sayle <roger@eyesopen.com>
8068 Daniel Speyer <dspeyer@wam.umd.edu>
8070 PR middle-end/18259
8071 * tree-dump.c (dump_real): New function.
8072 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8073 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8074 (tree-dump.o): Add $(REAL_H) to the dependencies.
8076 2006-03-16 Roger Sayle <roger@eyesopen.com>
8078 PR middle-end/21781
8079 * real.c (real_from_string): If the mantissa is zero, don't bother
8080 parsing the exponent as the result should always be zero.
8082 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8084 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8086 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8088 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8089 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8090 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8091 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8092 ia64_sched_finish_global): New static functions to implement
8093 hooks from gcc_target.sched.
8094 (spec_check_no, max_uid, pending_data_specs): New static variables.
8095 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8096 ia64_spec_check_src_p): New static functions.
8097 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8098 (TARGET_SCHED_ADJUST_COST): Removed.
8099 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8100 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8101 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8102 TARGET_SCHED_GEN_CHECK,
8103 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8104 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8105 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8106 Fixed to handle speculation checks.
8107 (rtx_needs_barrier): Fixed to handle speculative loads and
8108 their checks.
8109 (ia64_variable_issue): Added code to count speculative loads and their
8110 checks.
8111 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8112 speculative loads.
8113 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8114 New enumerations.
8115 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8116 New constants.
8117 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8118 (ia64_reorg): Reset stops_p to NULL after it is freed.
8119 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8120 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8121 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8122 chk_a.
8123 (data_speculative, control_speculative, check_load): New attributes.
8124 (mov<mode>_advanced, mov<mode>_speculative,
8125 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8126 zero_extend<mode>di2_speculative,
8127 zero_extend<mode>di2_speculative_advanced): New patterns for
8128 data and control speculative loads.
8129 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8130 check loads.
8131 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8132 New pattern for data and control speculation checks.
8133 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8134 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8135 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8136 Auxiliary definitions for the patterns.
8137 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8138 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8139 constraints.
8140 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8141 for speculation.
8142 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8143 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8144 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8145 New resource constraints.
8146 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8147 for speculation.
8148 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8149 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8150 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8151 msched-in-control-spec, msched-ldc, msched-control-ldc,
8152 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8153 msched-prefer-non-control-spec-insns,
8154 msched-count-spec-in-critical-path): New flags to tune speculative
8155 scheduling.
8156 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8157 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8158 msched-in-control-spec, msched-ldc, msched-control-ldc,
8159 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8160 msched-prefer-non-control-spec-insns,
8161 msched-count-spec-in-critical-path): Document new flags.
8163 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8165 * target.h (struct spec_info_def): New opaque declaration.
8166 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8167 speculate_insn, needs_block_p, gen_check,
8168 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8169 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8170 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8171 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8172 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8173 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8174 gcc_target.sched.
8175 (TARGET_SCHED): Use new macros.
8176 * rtl.h (copy_DEPS_LIST_list): New prototype.
8177 * sched-int.h (struct sched_info): Change signature of new_ready field,
8178 adjust all initializations. New fields: add_remove_insn,
8179 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8180 region_head_or_leaf_p.
8181 (struct spec_info_def): New structure declaration.
8182 (spec_info_t): New typedef.
8183 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8184 recovery_block, orig_pat.
8185 (glat_start, glat_end): New variables declaraions.
8186 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8187 New access macros.
8188 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8189 DETACH_LIFE_INFO, USE_GLAT.
8190 (enum SPEC_SCHED_FLAGS): New enumeration.
8191 (NOTE_NOTE_BB_P): New macro.
8192 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8193 attach_life_info, debug_spec_status, check_reg_live): New functions.
8194 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8195 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8196 sched-ebb.c
8197 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8198 * ddg.c (get_block_head_tail): Adjust all uses.
8199 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8200 (sms_sched_info): Initialize new fields.
8201 (contributes_to_priority): Removed.
8202 * haifa-sched.c (params.h): New include.
8203 (get_block_head_tail): Adjust all uses.
8204 (ISSUE_POINTS): New macro.
8205 (glat_start, glat_end): New global variables.
8206 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8207 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8208 old_last_basic_block, before_recovery, current_sched_info_var,
8209 rgn_n_insns, luid): New static variables.
8210 (insn_cost1): New function. Move logic from insn_cost to here.
8211 (find_insn_reg_weight1): New function. Move logic from
8212 find_insn_reg_weight to here.
8213 (reemit_notes, move_insn, max_issue): Change signature.
8214 (move_insn1): Removed.
8215 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8216 extend_bb): New static functions to support extension of scheduler's
8217 data structures.
8218 (generate_recovery_code, process_insn_depend_be_in_spec,
8219 begin_speculative_block, add_to_speculative_block,
8220 init_before_recovery, create_recovery_block, create_check_block_twin,
8221 fix_recovery_deps): New static functions to support
8222 generation of recovery code.
8223 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8224 restore_bb_notes, move_block_after_check, move_succs): New static
8225 functions to support ebb scheduling.
8226 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8227 functions to support handling of register live information.
8228 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8229 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8230 add_jump_dependencies): New static functions.
8231 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8232 consistancy checking.
8233 (debug_spec_status): New function to call from debugger.
8234 (priority): Added code to handle speculation checks.
8235 (rank_for_schedule): Added code to distinguish speculative instructions.
8236 (schedule_insn): Added code to handle speculation checks.
8237 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8238 Fixed to handle ebbs.
8239 (move_insn): Added code to handle ebb scheduling.
8240 (max_issue): Added code to use ISSUE_POINTS of instructions.
8241 (choose_ready): Added code to choose between speculative and
8242 non-speculative instructions.
8243 (schedule_block): Added code to handle ebb scheduling and scheduling of
8244 speculative instructions.
8245 (sched_init): Initialize new variables.
8246 (sched_finish): Free new variables. Print statistics.
8247 (try_ready): Added code to handle speculative instructions.
8248 * lists.c (copy_DEPS_LIST_list): New function.
8249 * sched-deps.c (extend_dependency_caches): New function. Move logic
8250 from create_dependency_caches to here.
8251 (get_dep_weak, ds_merge): Make global.
8252 * genattr.c (main): Code to output prototype for
8253 dfa_clear_single_insn_cache.
8254 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8255 (output_dfa_clean_insn_cache_func): Code to output
8256 dfa_clear_single_insn_cache function.
8257 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8258 n_insns.
8259 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8260 Removed.
8261 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8262 New static variables.
8263 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8264 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8265 struct sched_info.
8266 (ebb_sched_info): Initialize new fields.
8267 (get_block_head_tail): Adjust all uses.
8268 (compute_jump_reg_dependencies): Fixed to use glat_start.
8269 (schedule_ebb): Code to remove unreachable last block.
8270 (schedule_ebbs): Added code to update register live information.
8271 * sched-rgn.c (region_sched_info): Initialize new fields.
8272 (get_block_head_tail): Adjust all uses.
8273 (last_was_jump): Removed. Adjust users.
8274 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8275 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8276 Implement new hooks.
8277 (check_dead_notes1): New static function.
8278 (struct region): New fields: dont_calc_deps, has_real_ebb.
8279 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8280 (BB_TO_BLOCK): Fixed to handle EBBs.
8281 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8282 (ebb_head): New static variable.
8283 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8284 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8285 new fields.
8286 (compute_dom_prob_ps): New assertion.
8287 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8288 global_live_at_start.
8289 (init_ready_list): New assertions.
8290 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8291 (new_ready): Add support for BEGIN_CONTROL speculation.
8292 (schedule_insns): Fixed code that updates register live information
8293 to handle EBBs.
8294 (schedule_region): Fixed to handle EBBs.
8295 (init_regions): Use extend_regions and check_dead_notes1.
8296 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8297 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8298 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8299 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8300 TARGET_SCHED_GEN_CHECK,
8301 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8302 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8303 * doc/invoke.texi (max-sched-insn-conflict-delay,
8304 sched-spec-prob-cutoff): Document.
8306 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8308 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8309 inter_tick, queue_index.
8310 (struct sched_info): Change signature of init_ready_list field.
8311 Adjust all initializations.
8312 (RESOLVED_DEPS): New access macro.
8313 (ready_add): Remove prototype.
8314 (try_ready): Add prototype.
8315 * sched-rgn.c (init_ready_list): Use try_ready.
8316 (schedule_region): Initialize
8317 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8318 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8319 (init_ready_list): Use try_ready.
8320 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8321 * lists.c (remove_list_elem): Remove `static'.
8322 (remove_free_INSN_LIST_elem): New function.
8323 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8324 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8325 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8326 New constants.
8327 (readyp): New variable.
8328 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8329 change_queue_index, resolve_dep): New static functions.
8330 (try_ready): New function. Adjust callers in sched-rgn.c and
8331 sched-ebb.c to use it instead of ready_add.
8332 (clock_var): Move at the begining of file.
8333 (rank_for_schedule): Fix typo.
8334 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8335 (ready_lastpos): Enforce assertion.
8336 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8337 update all callers.
8338 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8339 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8340 (queue_to_ready): Use free_INSN_LIST_list.
8341 (early_queue_to_ready): Fix typo.
8342 (schedule_block): Init readyp. Move init_ready_list call after the
8343 initialization of clock_var. Fix error in rejecting insn by
8344 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8345 that previously corrected INSN_TICKs. Add code for handling
8346 QUEUE_INDEX.
8347 (set_priorities): Fix typo.
8348 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8349 Clarify comment and code that keeps current_sched_info->next_tail
8350 non-null.
8352 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8354 * sched-rgn.c (extend_rgns): New static function.
8355 (find_rgns): Use it.
8356 (gather_region_statistics, print_region_statistics): New static
8357 functions.
8358 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8359 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8361 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8362 Andrey Belevantsev <abel@ispras.ru>
8364 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8365 * lists.c (unused_deps_list): New variable.
8366 (free_list): Add assertions to verify the proper distinguishing
8367 between INSN_LISTs and DEPS_LISTs.
8368 (find_list_elem, remove_list_elem, remove_list_node): New static
8369 functions.
8370 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8371 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8372 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8373 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8374 an INSN_LIST.
8375 (free_INSN_LIST_node): Likewise.
8376 * modulo-sched.c (current_sched_info): Initialize flags field.
8377 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8378 * rtl.def (DEPS_LIST): Define.
8379 * rtl.h: Declare new functions from lists.c.
8380 * sched-deps.c (spec_dependency_cache): New static variable.
8381 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8382 (add_dependence): Change return type to void. Move the logic to ...
8383 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8384 (delete_all_dependences): Add comment about forward_dependency_cache.
8385 Handle spec_dependency_cache. Handle DEPS_LISTs.
8386 (fixup_sched_groups): Clarify the change of priority of output
8387 and anti dependencies.
8388 (sched_analyze_2): Adjust add_dependence calls to create data
8389 speculative dependence.
8390 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8391 Adjust all callers. Handle DEPS_LISTS.
8392 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8393 presence of speculation.
8394 (init_dependency_caches, free_dependency_caches):
8395 Handle spec_dependency_cache.
8396 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8397 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8398 New static functions.
8399 (add_or_update_back_dep, add_or_update_back_forw_dep,
8400 add_back_forw_dep, delete_back_forw_dep): New functions.
8401 * sched-int.h (ds_t, dw_t): New typedefs.
8402 (struct sched_info): Add new field flags.
8403 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8404 Prototype new sched-deps.c functions.
8405 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8406 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8407 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8408 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8409 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8410 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8411 New constants.
8412 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8413 New enums.
8414 * sched-rgn.c (current_sched_info): Initialize flags field.
8415 (schedule_insns): Initialize current_sched_info before the sched_init
8416 call.
8417 * sched-ebb.c (current_sched_info): Initialize flags field.
8418 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8419 Call add_or_update_back_dep instead of add_dependence.
8420 Create control speculative dependencies.
8421 (schedule_insns): Initialize current_sched_info before the sched_init
8422 call.
8424 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8426 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8427 fs->signal_frame.
8428 (sh_fallback_frame_state): Likewise.
8430 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8432 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8433 Do switch on default_use_cxa_atexit.
8434 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8435 * config/darwin-crt3.o: New.
8436 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8437 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8438 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8439 OS version.
8440 * config/rs6000/t-darwin: Move crt2.o building to here.
8441 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8442 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8443 of __cxa_atexit.
8445 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8447 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8448 from '! xxx' to '!xxx' for coding-style conformance.
8449 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8450 (EXTRA_CONSTRAINT): Likewise.
8451 * config/vax/vax.md (four unnamed insns): Likewise.
8453 2006-03-15 Paul Brook <paul@codesourcery.com>
8455 * config/arm/arm.c (minipool_pad): New.
8456 (add_minipool_forward_ref): Include pool alignment padding in address
8457 calculation.
8458 (push_minipool_fix): Set minipool_pad.
8459 (minipool_pad): Ditto.
8461 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8463 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8464 instead of GET_CODE() == MEM and REG_P() instead of
8465 GET_CODE() == REG.
8466 (print_operand_address): Likewise.
8467 (vax_address_cost): Likewise.
8468 (vax_rtx_costs): Likewise.
8469 (vax_notice_update_cc): Likewise.
8470 (vax_output_int_add): Likewise.
8471 (INDEX_REGISTER_P): Likewise.
8472 (BASE_REGISTER_P): Likewise.
8473 (nonindexed_address_p): Likewise.
8474 (vax_mode_dependent_address_p): Likewise.
8475 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8476 (PRINT_OPERAND): Likewise.
8477 * config/vax/vax.md (ashlsi3): Likewise.
8478 (ashlsi3): Likewise.
8479 (some more unnamed insns): Likewise.
8481 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8483 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8484 iterator-style macro.
8485 (mark_control_dependent_edges_necessary): Update the use of
8486 EXECUTE_IF_CONTROL_DEPENDENT.
8488 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8490 * config/sh/predicates.md (cache_address_operand): Special.
8491 (ua_address_operand): Likewise.
8493 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8495 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8496 loop notes.
8497 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8499 2006-03-15 Andreas Schwab <schwab@suse.de>
8501 * gensupport.c (identify_predicable_attribute): Don't free p_false
8502 when it is still in use.
8504 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8506 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8507 the default setting here.
8509 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8511 * tree-pass.h (pass_cfg): Remove.
8512 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8513 * passes.c (pass_cfg): Don't run it.
8515 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8517 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8518 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8519 VEC(char,heap) *.
8520 (stack_regs_mentioned): Update the uses of
8521 stack_regs_mentioned_data. Don't access the array beyond its
8522 end.
8523 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8524 Don't include gt-reg-stack.h.
8526 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8527 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8529 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8531 PR middle-end/26684
8532 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8533 STACK_REGS.
8535 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8537 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8539 2006-03-14 Richard Guenther <rguenther@suse.de>
8541 PR tree-optimization/26672
8542 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8543 SSA form.
8545 2006-03-14 Richard Guenther <rguenther@suse.de>
8547 PR tree-optimization/26667
8548 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8549 node for the callees. Always allow inlining if it will shrink
8550 the function size.
8552 2006-03-14 Richard Guenther <rguenther@suse.de>
8554 PR middle-end/26659
8555 * builtins.c (get_pointer_alignment): Prefer alignment
8556 information from decls over that from types.
8558 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8560 PR target/26657
8561 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8563 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8565 * config/rs6000/rs6000.opt (mdlmzb): New option.
8566 (msched-prolog, msched-epilog): Use Var not Mask.
8567 * doc/invoke.texi (-mdlmzb): Document.
8568 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8569 MASK_SCHED_PROLOG.
8570 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8571 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8573 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8575 PR rtl-optimization/25739
8576 * bt-load.c (augment_live_range): Free tos pointer.
8578 * gensupport.c (identify_predicable_attribute): Free
8579 p_false pointer.
8580 * gcov.c (create_file_names): Free name pointer.
8582 2006-03-13 Roger Sayle <roger@eyesopen.com>
8584 PR middle-end/26557
8585 * stmt.c (emit_case_nodes): Handle the case where the index is a
8586 CONST_INT, where the comparison mode is specified by the index type.
8588 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8590 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8591 is defined.
8593 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8595 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8596 (*branch_fp_inverted): Likewise.
8598 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8600 PR middle-end/25989
8601 * omp-low.c (expand_omp_for_generic): Mark istart0
8602 and iend0 as addressable.
8604 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8606 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8608 2006-03-13 Jeff Law <law@redhat.com>
8610 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8611 virtual operands are interesting.
8612 (vrp_visit_stmt): Corresponding changes.
8614 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8616 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8617 of RETS.
8618 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8619 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8620 * config/bfin/crti.S: Use it instead of __PIC__.
8621 * config/bfin/crtn.S: Likewise.
8623 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8624 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8625 not if flag_pic.
8626 Lose 'G' modifier for call operand.
8627 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8628 recognize 'G' modifier.
8630 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8632 PR middle-end/18859
8633 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8634 * stmt.c (expand_case): Likewise.
8636 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8638 PR rtl-optimization/26254
8639 * loop-invariant.c (seq_insns_valid_p): New function.
8640 (move_invariant_reg): Only emit new code if it is valid.
8642 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8644 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8645 Removed.
8646 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8647 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8648 (commit_one_edge_insertion): Do not look for loop notes.
8650 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8652 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8653 flag_test_coverage out of loop.
8655 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8657 * final.c (shorten_branches): Remove outdated comment, and turn
8658 the if branch that guards it to continue.
8660 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8662 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8663 * cfgloop.h (struct loop): Remove unused fields.
8665 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8667 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8668 (-dL, -fdump-rtl-loop2): Update the dump file names
8670 * doc/invoke.texi: Update dump file names.
8672 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8674 * predict.c (estimate_probability): Remove.
8675 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8676 * basic-block.h (estimate_probability): Remove prototype.
8677 * passes.c (finish_optimization_passes): Dump branch prediction or
8678 profiling heuristics to the .profile tree dump.
8679 (init_optimization_passes): Unqueue pass_branch_prob.
8681 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8683 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8685 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8686 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8688 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8690 * function.h (frame_offset_overflow): Declare.
8691 * function.c (frame_offset_overflow): New function.
8692 (assign_stack_local_1): Call it to detect that the offset overflows.
8693 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8695 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8697 * config/sh/sh.c: Include alloc-pool.h.
8698 (label_ref_list_pool): New alloc pool.
8699 (label_ref_list_t): New type for lists of labels.
8700 (struct pool_node): Make wend a label_ref_list_t.
8701 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8702 references.
8703 (dump_table): Likewise.
8704 (sh_reorg): Set up the alloc pool before using add_constant and
8705 dump_table, and destroy it when finishing.
8707 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8709 * config/mips/mips.c: Remove redundant comment.
8711 2006-03-10 Jason Merrill <jason@redhat.com>
8713 PR c/26004
8714 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8715 the target was declared 'register'.
8717 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8719 * genpreds.c (write_insn_constraint_len): Change definition of
8720 insn_constraint_len to return size_t to match the declaration.
8722 2006-03-10 DJ Delorie <dj@redhat.com>
8724 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8725 start at zero.
8726 (m32c_expand_insv): Fix test for an AND mask.
8728 2006-03-10 Richard Guenther <rguenther@suse.de>
8730 PR middle-end/26565
8731 * builtins.c (get_pointer_alignment): Handle component
8732 references for field alignment.
8734 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8736 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8737 when building with libgloss.
8738 (sh*elf): Implement --without-fp option.
8739 (sh64-superh-linux*): Don't multilib.
8741 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8743 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8745 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8747 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8748 Set it when one of the replacement functions returned true.
8749 Return TODO_cleanup_cfg if cfgchanged is true.
8750 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8752 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8754 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8755 instead of gen_lowpart.
8757 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8759 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8760 interface.
8761 (mips_output_order_conditional_branch): Declare.
8762 * config/mips/mips.h (MIPS_BRANCH): New macro.
8763 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8764 for the comparison. Use gen_condjump.
8765 (mips_output_conditional_branch): Rework interface to take the
8766 asm templates for a direct branch and the inverse of a direct branch.
8767 (mips_output_order_conditional_branch): New function.
8768 (mips_builtin_branch_and_move): New function.
8769 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8770 branch condition. Use gen_single_cc as the condition for
8771 __builtin_mips_upper_* or __builtin_mips_lower_*.
8772 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8773 Use VOIDmode for the branch condition.
8774 * config/mips/predicates.md (order_operator): New predicate.
8775 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8776 (branch_fp): Rename to...
8777 (*branch_fp): ...this. Remove mode from comparison operator.
8778 Use new mips_output_conditional_branch interface.
8779 (branch_fp_inverted): Rename to...
8780 (*branch_fp_inverted): ...this and update as for *branch_fp.
8781 (*branch_zero<mode>): Rename to...
8782 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8783 Use mips_output_order_conditional_branch. Only accept ordered
8784 comparisons.
8785 (*branch_zero<mode>_inverted): Rename to...
8786 (*branch_order<mode>_inverted): ...this and update as for
8787 *branch_order<mode>.
8788 (*branch_equality<mode>): Accept zero as the second operand to
8789 the equality operator. Use the new mips_output_conditional_branch
8790 interface.
8791 (*branch_equality<mode>_inverted): Likewise.
8792 (condjump): New expander.
8793 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8794 operator.
8795 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8796 (bc1any2t, bc1any2f): Likewise.
8797 (single_cc): New expander.
8798 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8800 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8802 * doc/md.texi: Update documentation of MIPS constraints.
8803 * config/mips/constraints.md: New file.
8804 * config/mips/mips.md: Include it.
8805 * config/mips/mips.c (mips_char_to_class): Delete.
8806 (override_options): Don't initialize mips_char_to_class.
8807 * config/mips/mips.h (mips_char_to_class): Delete.
8808 (REG_CLASS_FROM_LETTER): Delete.
8809 (CONST_OK_FOR_LETTER_P): Delete.
8810 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8811 (EXTRA_CONSTRAINT_Y): Delete.
8812 (EXTRA_CONSTRAINT_STR): Delete.
8813 (CONSTRAINT_LEN): Delete.
8814 (EXTRA_MEMORY_CONSTRAINT): Delete.
8816 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8818 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8819 original fn's eh regions.
8821 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8823 * fold-const.c (build_range_check): Make sure to use a valid type to
8824 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8825 transformation.
8827 (range_predecessor): New static function.
8828 (range_successor): Likewise.
8829 (merge_ranges): Use them to compute predecessors and successors of
8830 range bounds.
8832 2006-03-09 Roger Sayle <roger@eyesopen.com>
8834 PR middle-end/26561
8835 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8836 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8838 2006-03-08 DJ Delorie <dj@redhat.com>
8840 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8841 (addpsi3): Expand to include memory operands. Remove
8842 reload-specific splits.
8843 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8844 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8845 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8846 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8847 (shift1_qi, shift1_hi, insv): New.
8848 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8849 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8850 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8851 cond_to_int): New.
8852 * config/m32c/m32c-protos.h: Update as needed.
8853 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8854 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8855 Fail for unrecognized R* constraints.
8856 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8857 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8858 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8859 Add Sp constraint.
8860 (m32c_init_libfuncs): New.
8861 (m32c_legitimate_address_p): Add debug wrapper.
8862 (m32c_rtx_costs): New.
8863 (m32c_address_cost): New.
8864 (conversions): Add 'B' prefix.
8865 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8866 operands, or word regnames for QI operands. 'B' prints bit
8867 position.
8868 (m32c_expand_setmemhi): New.
8869 (m32c_expand_movmemhi): New.
8870 (m32c_expand_movstr): New.
8871 (m32c_expand_cmpstr): New.
8872 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8873 (m32c_expand_neg_mulpsi3): Handle non-ints.
8874 (m32c_cmp_flg_0): New.
8875 (m32c_expand_movcc): New.
8876 (m32c_expand_insv): New.
8877 (m32c_scc_pattern): New.
8878 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8879 a0/a1 out of SIregs.
8880 (STORE_FLAG_VALUE): New.
8881 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8882 code macros.
8883 (no_insn): New.
8884 * config/m32c/mov.md: Make constraints more liberal.
8885 (zero_extendqihi2): Optimize r0/r1 case.
8886 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8887 * config/m32c/predicates.md (m32c_any_operand): New.
8888 (m32c_nonimmediate_operand): New.
8889 (m32c_hl_operand): New.
8890 (m32c_r3_operand): New.
8891 (ap_operand): New.
8892 (ma_operand): New.
8893 (memsym_operand): New.
8894 (memimmed_operand): New.
8895 (a_qi_operand): New.
8896 (m32c_eqne_operator): New.
8897 (m32c_1bit8_operand): New.
8898 (m32c_1bit16_operand): New.
8899 (m32c_1mask8_operand): New.
8900 (m32c_1mask16_operand): New.
8901 * config/m32c/blkmov.md: New file.
8902 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8904 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8906 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8907 unsigned to fix signed/unsigned comparison issue in
8908 DWARF2_FRAME_REG_OUT.
8909 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8910 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8912 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8913 of ptr into the ENABLE_CHECKING section.
8915 2006-03-08 Jeff Law <law@redhat.com>
8917 * tree-vrp.c (infer_value_range): Only count pointer uses
8918 and dereferences if -fdelete-null-pointer-checks is enabled.
8920 * tree-vrp.c (find_assert_locations): Infer value ranges for
8921 single use pointers, but do not create ASSERT_EXPRs for them.
8922 When a non-null range is inferred for a pointer, backwards
8923 propagate that range to other equivalent pointers through the
8924 use-def chain.
8926 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8928 PR bootstrap/26500
8929 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8930 language hook targets.
8931 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8932 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8933 if language hook targets were missing.
8935 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8937 * tree-ssa-opfinalize.h: Removed.
8938 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8939 dependency.
8940 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8941 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8942 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8943 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8944 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8945 finalize_ssa_v_must_def_ops): New.
8947 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8949 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8950 block as parameter.
8952 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8954 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8956 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8957 addresses with offsets; reorganize.
8959 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8960 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8961 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8963 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8965 PR target/26588
8966 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8968 2006-03-08 Ben Elliston <bje@au.ibm.com>
8970 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8972 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8974 PR gomp/26238
8975 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8976 expansion.
8978 2006-03-07 Richard Guenther <rguenther@suse.de>
8980 PR tree-optimization/26587
8981 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8983 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8985 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8987 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8989 * hooks.c (hook_bool_mode_rtx_true): New function.
8990 * hooks.h (hook_bool_mode_rtx_true): Declare.
8991 * toplev.c (compile_file): Call output_shared_constant_pool.
8992 * varasm.c (shared_constant_pool): New variable.
8993 (assemble_start_function, assemble_end_function): Remove arguments
8994 from call to output_constant_pool.
8995 (create_constant_pool): New function, split out from...
8996 (init_varasm_status): ...here.
8997 (force_const_mem): Choose between the shared and per-function constant
8998 pools. Set current_function_uses_const_pool when reusing old entries
8999 as well as when creating new ones.
9000 (mark_constant): Ignore data argument.
9001 (mark_constants): Remove pool argument.
9002 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9003 to decide whether the function uses a constant pool.
9004 (output_constant_pool_contents): New function, split out from...
9005 (output_constant_pool): ...here.
9006 (output_shared_constant_pool): New function.
9007 (init_varasm_once): Initialize shared_constant_pool.
9008 * output.h (output_constant_pool): Delete.
9009 (output_shared_constant_pool): Declare.
9010 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9011 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9013 2006-03-06 Nick Clifton <nickc@redhat.com>
9015 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9016 flag_strength_reduce.
9018 2006-03-06 Ben Elliston <bje@au.ibm.com>
9020 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9021 x86_64-*-linux* configurations.
9023 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9024 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9026 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9028 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9029 Remove.
9030 * basic-block.h: Remove the extern for
9031 rediscover_loops_after_threading.
9033 * cfgloop.c (cancel_loop): Make it static.
9034 * cfgloop.h: Remove the prototype for cancel_loop.
9036 * flow.c (recompute_reg_usage): Make it static.
9037 * rtl.h: Remove the prototype for recompute_reg_usage.
9039 * function.c (use_return_register): Make it static.
9040 * function.h: Remove the prototype.
9042 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9044 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9045 Remove.
9046 * recog.h: Remove the prototype for
9047 validate_change_maybe_volatile.
9049 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9051 * rtlanal.c (replace_reg): Remove.
9052 * rtl.h: Remove the prototype for replace_reg.
9054 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9056 * regclass.c (reg_scan_update): Remove.
9057 (reg_scan_mark_refs): Remove the last argument.
9058 * rtl.h: Remove the prototype for reg_scan_update.
9060 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9062 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9063 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9064 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9065 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9066 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9067 loop-invariant.c, omp-low.c, opts.c, passes.c,
9068 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9069 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9070 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9071 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9072 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9073 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9075 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9077 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9078 * dwarf2out.h: Remove the prototype for
9079 dwarf2out_add_library_unit_info.
9081 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9083 * tree.c (add_var_to_bind_expr): Remove.
9084 * tree.h: Remove the prototype for add_var_to_bind_expr.
9086 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9088 * regclass.c (n_non_fixed_regs): Remove.
9089 (init_reg_sets_1, globalize_reg): Remove all uses of
9090 n_non_fixed_regs.
9091 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9093 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9095 * rtlanal.c (insns_safe_to_move_p): Remove.
9096 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9098 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9100 * expmed.c (expand_mult_add): Remove.
9101 * expr.h: Remove the prototype for expand_mult_add.
9103 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9105 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9106 and REG_SAVED_VAL_EXP constants.
9107 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9108 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9109 Handle regs stored by value.
9110 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9111 (execute_cfa_program): Handle DW_CFA_val_offset,
9112 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9113 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9114 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9115 (uw_install_context_1): Handle target regs stored by value.
9117 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9119 * tree-sra.c (tree_sra): Return todoflags;
9120 (generate_one_element): Set TODO_update_smt_usage if needed.
9121 (pass_sra): Remove TODO_update_smt_usage.
9122 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9123 parameter.
9124 (tree_ssa_forward_propagate_single_use_vars): Return
9125 TODO_update_smt_usage if we need to update SMT usage.
9126 (pass_forwprop): Remove TODO_update_smt_usage.
9128 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9130 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9131 (correct_use_link): Remove reference to get_stmt_operands.
9132 (update_stmt_operands): Likewise.
9133 (get_modify_expr_operands): New function factored out of
9134 parse_ssa_operands and get_expr_operands.
9135 Try to create V_MUST_DEFs for LHS by default.
9136 (get_expr_operands) <case MODIFY_EXPR>: Call
9137 get_modify_expr_operands.
9138 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9139 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9140 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9141 get_modify_expr_operands.
9143 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9145 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9146 * tree-flow.h: Remove the prototype for
9147 referenced_var_lookup_if_exists.
9149 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9151 PR rtl-optimization/26345
9152 PR target/19061
9153 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9155 2006-03-03 Roger Sayle <roger@eyesopen.com>
9157 PR tree-optimization/26524
9158 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9159 fold_convert to create a constant of the appropriate type.
9161 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9163 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9164 SYMBOL_REF_IN_BLOCK_P.
9165 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9166 of SYMBOL_FLAG_IN_BLOCK.
9167 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9168 instead of SYMBOL_REF_IN_BLOCK_P.
9169 * explow.c (use_anchored_address): Likewise.
9170 * rtl.c (rtx_size): Likewise.
9171 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9172 instead of SYMBOL_FLAG_IN_BLOCK.
9173 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9174 SYMBOL_REF_IN_BLOCK_P.
9175 (assemble_variable): Likewise.
9176 (output_constant_def_contents): Likewise.
9177 (output_constant_pool): Likewise.
9178 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9179 instead of SYMBOL_FLAG_IN_BLOCK.
9180 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9181 SYMBOL_REF_IN_BLOCK_P.
9182 (SYMBOL_REF_BLOCK): Likewise.
9183 (SYMBOL_REF_OFFSET): Likewise.
9184 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9185 SYMBOL_REF_IN_BLOCK_P.
9186 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9187 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9188 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9189 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9191 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9193 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9195 2006-03-02 Roger Sayle <roger@eyesopen.com>
9197 * simplify-rtx.c (simplify_unary_operation): When simplifying
9198 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9199 that we perform the right shift in the appropriate mode, and
9200 then extend or truncate the result to requested mode.
9202 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9204 * gengtype.c (main): Handle double_int type.
9205 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9206 * double-int.c: New file.
9207 * double-int.h: New file.
9208 * system.h: Include doubleint.h.
9209 * Makefile.in (SYSTEM_H): Include double-int.h.
9210 (double-int.o): Add.
9212 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9214 PR bootstrap/26478
9215 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9216 copying over it.
9218 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9220 * tree-vrp.c (remove_range_assertions): Do not update statements
9221 unnecessarily.
9223 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9225 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9226 cleanup.
9227 * gcse.c (rest_of_handle_gcse): Ditto.
9228 * except.c (gate_handle_eh): Ditto.
9229 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9230 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9232 2006-03-02 Eric Christopher <echristo@apple.com>
9234 * config/i386/i386.c (machopic_output_stub): Add indirection to
9235 jump.
9237 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9239 * loop.c: Removed.
9241 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9243 Sun Niagara specific optimizations.
9244 * config.gcc: Recognize niagara as target.
9245 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9246 (TARGET_CPU_niagara): Define.
9247 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9248 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9249 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9250 (ASM_CPU_SPEC): Likewise.
9251 (PROCESSOR_NIAGARA): New enum entry.
9252 (REGISTER_MOVE_COST): Handle Niagara.
9253 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9254 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9255 (sparc_override_options): Recognize "niagara", set appropriate
9256 default MASK_* values for it, and align functions to 32-bytes
9257 by default just like ULTRASPARC/ULTRASPARC3.
9258 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9259 (sparc64_initialize_trampoline): Likewise.
9260 (sparc_use_sched_lookahead): Use zero for niagara.
9261 (sparc_issue_rate): Use one for niagara.
9262 * config/sparc/niagara.md: New file.
9263 * config/sparc/sparc.md: Include it.
9264 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9265 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9266 when default cpu is niagara.
9267 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9268 (ASM_CPU_SPEC): Likewise.
9269 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9270 when default cpu is niagara.
9271 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9272 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9273 just like v9/ultrasparc/ultrasparc3.
9274 * doc/invoke.texi: Add documentation for "niagara" and improve
9275 existing documentation for ultrasparc variants.
9277 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9279 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9281 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9283 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9284 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9285 and say that only one is needed.
9286 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9287 * target.h (have_switchable_bss_sections): New hook.
9288 * explow.c (use_anchored_address): Check that the symbol is in a block.
9289 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9290 (bss_noswitch_section): New variables.
9291 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9292 (get_noswitch_section): New function.
9293 (get_block_for_section): Allow SECT to be null.
9294 (unlikely_text_section_p): Use SECTION_STYLE.
9295 (bss_initializer_p): New function.
9296 (get_variable_section): Move earlier in file. Take a new argument,
9297 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9298 Return one of the new *_sections in such cases.
9299 (get_block_for_decl): New function, extracting some logic from
9300 use_blocks_for_decl_p.
9301 (change_symbol_section): Remove in favor of...
9302 (change_symbol_block): ...this new function.
9303 (use_blocks_for_decl_p): Remove checks now performed by
9304 get_block_for_decl.
9305 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9306 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9307 (emit_local, emit_bss, emit_common): ...these new functions.
9308 Return true if the alignment was honored.
9309 (emit_tls_common): New function.
9310 (asm_emit_uninitialised): Delete.
9311 (assemble_variable_noswitch): New function, split out from...
9312 (assemble_variable): ...here. Don't make decisions about common
9313 variables here. Globalize all public decls that go into non-common
9314 sections. Check whether SYMBOL_REF_BLOCK is null.
9315 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9316 (output_constant_pool): Likewise.
9317 (init_varasm_once): Initialize the new section variables.
9318 (have_global_bss_p): New function.
9319 (categorize_decl_for_section): Use bss_initializer_p.
9320 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9321 (place_block_symbol): Assert that the symbol must be in a block.
9322 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9323 (TARGET_INITIALIZER): Include it.
9324 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9325 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9326 (SECTION_MACH_DEP): Bump by two.
9327 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9328 (unnamed_section): Mention SECTION_UNNAMED in comment.
9329 (named_section): Likewise SECTION_NAMED.
9330 (noswitch_section_callback): New type.
9331 (noswitch_section): New structure.
9332 (section): Add a noswitch_section alternative.
9333 (SECTION_STYLE): New macro.
9334 (tls_comm_section, comm_section, lcomm_section): Declare.
9335 (bss_noswitch_section, have_global_bss_p): Declare.
9336 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9337 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9338 Override.
9339 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9340 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9341 Override.
9343 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9345 * tree-vrp.c (execute_vrp): Return value.
9346 * regrename.c (rest_of_handle_regrename): Ditto.
9347 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9348 * tree-complex.c (tree_lower_complex): Ditto.
9349 (tree_lower_complex_O0): Ditto.
9350 * tracer.c (rest_of_handle_tracer): Ditto.
9351 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9352 * postreload.c (rest_of_handle_postreload): Ditto.
9353 * tree-tailcall.c (execute_tail_recursion): Ditto.
9354 (execute_tail_calls): Ditto.
9355 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9356 * tree.h (init_function_for_compilation): Ditto.
9357 * ipa-cp.c (ipcp_driver): Ditto.
9358 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9359 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9360 * final.c (compute_alignments): Ditto.
9361 (rest_of_handle_final): Ditto.
9362 (rest_of_handle_shorten_branches): Ditto.
9363 (rest_of_clean_state): Ditto.
9364 * omp-low.c (execute_expand_omp): Ditto.
9365 (execute_lower_omp): Ditto.
9366 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9367 * ipa-reference.c (static_execute): Ditto.
9368 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9369 * reorg.c (rest_of_handle_delay_slots): Ditto.
9370 (rest_of_handle_machine_reorg): Ditto.
9371 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9372 * flow.c (recompute_reg_usage): Ditto.
9373 (rest_of_handle_remove_death_notes): Ditto.
9374 (rest_of_handle_life): Ditto.
9375 (rest_of_handle_flow2): Ditto.
9376 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9377 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9378 (do_ssa_store_ccp): Ditto.
9379 (execute_fold_all_builtins): Ditto.
9380 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9381 * modulo-sched.c (rest_of_handle_sms): Ditto.
9382 * ipa-pure-const.c (static_execute): Ditto.
9383 * cse.c (rest_of_handle_cse): Ditto.
9384 (rest_of_handle_cse2): Ditto.
9385 * web.c (rest_of_handle_web): Ditto.
9386 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9387 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9388 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9389 * tree-nrv.c (tree_nrv): Ditto.
9390 (execute_return_slot_opt): Ditto.
9391 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9392 (create_structure_vars): Ditto.
9393 * loop-init.c (rtl_loop_init): Ditto.
9394 (rtl_loop_done): Ditto.
9395 (rtl_move_loop_invariants): Ditto.
9396 (rtl_unswitch): Ditto.
9397 (rtl_unroll_and_peel_loops): Ditto.
9398 (rtl_doloop): Ditto.
9399 * gimple-low.c (lower_function_body): Ditto.
9400 (mark_used_blocks): Ditto.
9401 * tree-ssa-sink.c (execute_sink_code): Ditto.
9402 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9403 (cgraph_early_inlining): Ditto.
9404 * global.c (rest_of_handle_global_alloc): Ditto.
9405 * jump.c (cleanup_barriers): Ditto.
9406 (purge_line_number_notes): Ditto.
9407 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9408 (rest_of_handle_if_after_reload): Ditto.
9409 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9410 (tree_ssa_loop_im): Ditto.
9411 (tree_ssa_loop_unswitch): Ditto.
9412 (tree_vectorize): Ditto.
9413 (tree_linear_transform): Ditto.
9414 (tree_ssa_loop_ivcanon): Ditto.
9415 (tree_ssa_empty_loop): Ditto.
9416 (tree_ssa_loop_bounds): Ditto.
9417 (tree_complete_unroll): Ditto.
9418 (tree_ssa_loop_prefetch): Ditto.
9419 (tree_ssa_loop_ivopts): Ditto.
9420 (tree_ssa_loop_done): Ditto.
9421 * predict.c (tree_estimate_probability): Ditto.
9422 * recog.c (split_all_insns_noflow): Ditto.
9423 (rest_of_handle_peephole2): Ditto.
9424 (rest_of_handle_split_all_insns): Ditto.
9425 * tree-eh.c (lower_eh_constructs): Ditto.
9426 * regmove.c (rest_of_handle_regmove): Ditto.
9427 (rest_of_handle_stack_adjustments): Ditto.
9428 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9429 * function.c (instantiate_virtual_regs): Ditto.
9430 (init_function_for_compilation): Ditto.
9431 (rest_of_handle_check_leaf_regs): Ditto.
9432 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9433 (rest_of_handle_gcse): Ditto.
9434 * ipa-type-escape.c (type_escape_execute): Ditto.
9435 * alias.c (rest_of_handle_cfg): Ditto.
9436 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9437 * profile.c (rest_of_handle_branch_prob): Ditto.
9438 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9439 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9440 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9441 * tree-dfa.c (find_referenced_vars): Ditto.
9442 * except.c (set_nothrow_function_flags): Ditto.
9443 (convert_to_eh_region_ranges): Ditto.
9444 (rest_of_handle_eh): Ditto.
9445 * emit-rtl.c (unshare_all_rtl): Ditto.
9446 (remove_unnecessary_notes): Ditto.
9447 * except.h (set_nothrow_function_flags): Ditto.
9448 (convert_to_eh_region_ranges): Ditto.
9449 * cfgexpand.c (tree_expand_cfg): Ditto.
9450 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9451 * tree-ssa-pre.c (do_pre): Ditto.
9452 (execute_fre): Ditto.
9453 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9454 (rest_of_handle_jump2): Ditto.
9455 * tree-sra.c (tree_sra): Ditto.
9456 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9457 (execute_mudflap_function_decls): Ditto.
9458 * tree-ssa-copy.c (do_copy_prop): Ditto.
9459 (do_store_copy_prop): Ditto.
9460 * ipa-prop.h (ipcp_driver): Ditto.
9461 * cfglayout.c (insn_locators_initialize): Ditto.
9462 * tree-ssa-forwprop.c
9463 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9464 * cfglayout.h (insn_locators_initialize): Ditto.
9465 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9466 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9467 (execute_late_warn_uninitialized): Ditto.
9468 * rtl.h (cleanup_barriers): Ditto.
9469 (split_all_insns_noflow): Ditto.
9470 (purge_line_number_notes): Ditto.
9471 (unshare_all_rtl): Ditto.
9472 (remove_unnecessary_notes): Ditto.
9473 (recompute_reg_usage): Ditto.
9474 (variable_tracking_main): Ditto.
9475 * integrate.c (emit_initial_value_sets): Ditto.
9476 * integrate.h (emit_initial_value_sets): Ditto.
9477 * tree-optimize.c (execute_free_datastructures): Ditto
9478 (execute_free_cfg_annotations): Ditto.
9479 (execute_fixup_cfg): Ditto.
9480 (execute_cleanup_cfg_pre_ipa): Ditto.
9481 (execute_cleanup_cfg_post_optimizing): Ditto.
9482 (execute_init_datastructures): Ditto.
9483 * tree-object-size.c (compute_object_sizes): Ditto.
9484 * combine.c (rest_of_handle_combine): Ditto.
9485 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9486 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9487 (rest_of_handle_reorder_blocks): Ditto.
9488 (rest_of_handle_partition_blocks): Ditto.
9489 * var-tracking.c (variable_tracking_main): Ditto.
9490 * tree-profile.c (tree_profiling): Ditto.
9491 * tree-vect-generic.c (expand_vector_operations): Ditto.
9492 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9493 * sched-rgn.c (rest_of_handle_sched): Ditto.
9494 (rest_of_handle_sched2): Ditto.
9495 * basic-block.h (free_bb_insn): Ditto.
9496 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9497 * tree-cfg.c (execute_build_cfg): Ditto.
9498 (remove_useless_stmts): Ditto.
9499 (split_critical_edges): Ditto.
9500 (execute_warn_function_return): Ditto.
9501 (execute_warn_function_noreturn): Ditto.
9502 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9503 * cfgrtl.c (free_bb_for_insn): Ditto.
9504 * passes.c (execute_one_pass): Run additional
9505 todos returned by execute function.
9506 * tree-pass.h (struct tree_opt_pass): Make execute
9507 return a value.
9509 2006-03-02 Richard Guenther <rguenther@suse.de>
9511 * tree-ssa-alias.c (find_used_portions): Consider taking
9512 the address as making the variable not write-only.
9514 2006-03-02 Nick Clifton <nickc@redhat.com>
9516 * config.gcc (default_use_cxa_atexit): Extend the description of
9517 this configure variable. Set its default value to "yes" for
9518 Linux, NetBSD and ELF targets on the assumption that they will
9519 use C libraries with the __cxa_atexit function.
9521 2006-03-02 Ben Elliston <bje@au.ibm.com>
9523 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9524 parameter as unused to suppress a build warning.
9526 2006-03-02 Ben Elliston <bje@au.ibm.com>
9528 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9529 config/dfp-bit.c.
9531 2006-03-01 Roger Sayle <roger@eyesopen.com>
9533 PR other/26489
9534 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9535 declared name, the weak reference name, and the typeof name.
9536 (__gthrw): Avoid expanding the declared name suffix.
9537 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9539 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9541 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9542 from DWARF 3.
9543 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9544 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9545 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9546 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9547 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9548 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9549 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9550 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9551 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9552 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9553 (DW_END_default, DW_END_big, DW_END_little): New.
9554 (DW_END_lo_user, DW_END_hi_user): Define.
9555 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9556 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9557 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9558 DW_LANG_D): New.
9560 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9562 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9563 Update all users.
9564 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9565 Update all users.
9566 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9567 Update all users.
9568 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9569 Update all users.
9570 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9571 to 'symbol_mem_tag'.
9572 Update all users.
9573 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9574 rename.
9576 2006-03-01 Roger Sayle <roger@eyesopen.com>
9578 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9580 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9582 PR target/25761
9583 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9584 MACHO_DYNAMIC_NO_PIC_P.
9585 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9587 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9589 PR target/26389
9590 * config/darwin-protos.h (darwin_asm_output_anchor):
9591 Declare.
9592 * config/darwin-sections.def (cstring_section):
9593 Add SECTION_MERGE to the flags.
9594 (literal4_section): Likewise.
9595 (literal8_section): Likewise.
9596 (objc_selector_refs_section): Likewise.
9597 (objc_cls_refs_section): Likewise.
9598 * config/darwin.c (darwin_asm_output_anchor): New
9599 function.
9600 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9602 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9604 Fix PR tree-optimization/26443
9605 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9606 to todo and PROP_tmt_usage to properties_destroyed.
9607 * tree-ssa-ccp.c (pass_ccp): Ditto.
9608 (pass_store_ccp): Ditto.
9609 * tree-ssa-dom.c (pass_dominator): Ditto.
9611 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9613 * tree-ssa-operands.c: Cleanup whitespace.
9614 (get_asm_expr_operands): Move before first invocation.
9615 (get_indirect_ref_operands): Likewise.
9616 (get_tmr_operands): Likewise.
9617 (get_call_expr_operands): Likewise.
9618 (append_def): Likewise.
9619 (append_use): Likewise.
9620 (append_v_may_def): Likewise.
9621 (append_v_must_def): Likewise.
9622 (add_call_clobber_ops): Likewise.
9623 (add_call_read_ops): Likewise.
9624 (add_stmt_operand): Likewise.
9625 (add_virtual_operand): Likewise.
9626 (build_ssa_operands): Likewise.
9628 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9630 PR middle-end/26022
9631 Revert:
9632 PR middle-end/24437
9633 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9634 with a call expr to ...
9635 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9637 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9639 * tree-vrp.c (extract_range_from_assert): Remove special
9640 handling for types with super-types.
9642 2006-03-01 Ben Elliston <bje@au.ibm.com>
9644 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9645 and powerpc64-*-linux* configurations.
9646 * config/t-dfprules: New file.
9648 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9649 Compile dfp-bit.c from the source directory using -DWIDTH and
9650 $DFP_CFLAGS to control the compilation of that file, rather than
9651 generating width-specific versions in the build directory.
9652 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9653 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9655 2006-02-28 Zack Weinberg <zackw@panix.com>
9657 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9658 continues to work.
9660 2006-02-28 Eric Christopher <echristo@apple.com>
9662 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9663 Set up IN_LIBGCC definition of TARGET_64BIT.
9664 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9666 2006-02-28 Roger Sayle <roger@eyesopen.com>
9668 PR middle-end/14752
9669 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9670 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9671 cases via the construction of "expr != 0".
9673 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9675 * alias.c (alias_invariant, alias_invariant_size): Remove.
9676 (record_base_value): Remove.
9677 (memrefs_conflict_p): Don't look at alias_invariant.
9678 (end_alias_analysis): Don't free it.
9679 * alias.h (record_base_value): Remove prototype.
9681 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9682 Adam Nemet <anemet@caviumnetworks.com>
9684 * rtl.h (truncated_to_mode): Declare it.
9685 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9686 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9687 (RTL_HOOKS_INITIALIZER): Include it.
9688 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9689 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9690 reg_truncated_to_mode.
9691 * rtlanal.c (truncated_to_mode): Define it.
9692 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9694 2006-02-28 Jeff Law <law@redhat.com>
9696 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9697 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9698 the range allowed by TYPE_PRECISION.
9700 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9702 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9704 PR tree-optimization/26419
9705 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9706 values of n.
9708 2006-02-27 Zack Weinberg <zackw@panix.com>
9710 * doc/md.texi: Fix typo in previous change.
9712 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9714 * df.c: Remove.
9716 2006-02-27 Zack Weinberg <zackw@panix.com>
9718 * rtl.def (define_constraint, define_register_constraint)
9719 (define_memory_constraint, define_address_constraint): New MD forms.
9720 * gensupport.c (process_rtx): Put define_constraint etc on the
9721 predicate queue.
9722 * genpreds.c (process_define_predicate): Adjust comment. Validate
9723 the name, and call validate_exp to validate the expression.
9724 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9725 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9726 all callers changed.
9727 (validate_exp, needs_variable, struct constraint_data)
9728 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9729 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9730 (const_dbl_constraints, constraint_max_namelen)
9731 (have_register_constraints, have_memory_constraints)
9732 (have_address_constraints, have_address_constraints)
9733 (have_extra_constraints, have_const_int_constraints)
9734 (have_const_dbl_constraints, mangle, add_constraint)
9735 (process_define_constraint, process_define_register_constraint)
9736 (write_enum_constraint_num, write_lookup_constraint)
9737 (write_insn_constraint_len, write_regclass_for_constraint)
9738 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9739 (write_insn_extra_memory_constraint)
9740 (write_insn_extra_address_constraint)
9741 (write_satisfies_constraint_fns): New.
9742 (write_tm_preds_h): If we have new-style constraint definitions,
9743 prototype the functions generated from them, and define the
9744 old constraint interface (still used by generic code) in terms of
9745 those functions.
9746 (write_insn_preds_c): If we have new-style constraint definitions,
9747 generate all relevant functions from those definitions.
9748 (main): Handle define_constraint etc.
9749 * genoutput.c (struct constraint_data, indep_constraints)
9750 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9751 (mdep_constraint_len): New data structures and functions, defined
9752 #ifdef USE_MD_CONSTRAINTS.
9753 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9754 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9755 use new logic to validate operand constraints against constraint
9756 definitions.
9757 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9758 defined.
9759 * defaults.h: If none of the old-style constraint macros are
9760 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9761 old-style macros; and poison REG_CLASS_FROM_LETTER,
9762 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9763 EXTRA_CONSTRAINT.
9764 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9765 * doc/md.texi: Document new constraint-definition mechanism and the
9766 C interface it provides. Remove references to old mechanism
9767 elsewhere in the document.
9768 (Machine Constraints): Use pathnames relative to gcc directory,
9769 i.e. config/ARCH/FILE. Change i386 section to refer to
9770 config/i386/predicates.md; update that section to match docstrings.
9771 * doc/tm.texi: Move all documentation of the old constraint-
9772 definition macros to their own section, clearly mark as obsolete.
9774 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9775 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9776 definitions.
9777 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9778 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9779 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9780 constraint strings.
9781 (splits and peepholes): Use satisfies_constraint_*.
9782 * config/i386/i386.c (memory_address_length)
9783 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9785 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9787 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9788 scalar operation to be put back into the loop.
9790 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9792 PR other/26208
9793 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9794 (extract_cie_info): Handle S flag in augmentation string.
9795 (execute_cfa_program): If context->signal_frame, execute also
9796 fs->pc == context->ra instructions.
9797 (uw_frame_state_for): If context->signal_frame, don't subtract one
9798 from context->ra to find FDE.
9799 (uw_update_context_1): Set context->signal_frame to
9800 fs->signal_frame.
9801 (_Unwind_GetIPInfo): New function.
9802 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9803 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9804 of _Unwind_GetIP.
9805 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9806 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9807 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9808 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9809 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9810 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9811 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9812 x86_64_fallback_frame_state): Set fs->signal_frame.
9813 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9814 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9815 (frob_update_context): Likewise. Workaround missing S flag in
9816 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9817 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9818 Remove the psw_addr + 1 hack.
9820 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9822 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9823 with aggregates here.
9824 (find_func_aliases): Remove code for &<aggregate> from here.
9826 2006-02-26 Roger Sayle <roger@eyesopen.com>
9828 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9829 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9830 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9831 as (X & C) ne/eq 0.
9833 2006-02-26 Roger Sayle <roger@eyesopen.com>
9835 PR middle-end/19983
9836 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9838 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9840 * opts.c (decode_options): Do not handle flag_strength_reduce.
9841 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9842 and OPT_fstrength_reduce.
9843 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9844 flag_prefetch_loop_arrays for being nonzero.
9845 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9846 no-ops.
9847 (fprefetch-loop-arrays-rtl): Removed.
9848 (flag_prefetch_loop_arrays): Do not specify the value.
9850 * doc/passes.texi: Update documentation of loop optimizer
9851 passes.
9852 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9853 -frerun-loop-opt): Remove.
9855 2006-02-26 Richard Guenther <rguenther@suse.de>
9857 PR tree-optimization/26421
9858 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9859 in function calls that are ADDR_EXPRs as using the whole structure.
9861 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9863 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9864 * tree-pass.h (pass_loop_optimize): Remove.
9865 * passes.c (pass_loop_optimize): Never run it.
9866 * toplev.c (backend_init): Don't call init_loop.
9867 * opts.c (flag_loop_optimize_set): Remove.
9868 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9869 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9870 the old RTL loop optimizer when profiling enabled.
9871 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9872 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9873 pre-headers for the sake of the old RTL loop optimizer.
9874 * Makefile.in: Remove all references to loop.o.
9876 * doc/invoke.texi: Remove all references to -floop-optimize
9877 and -frerun-loop-opt.
9879 2006-02-26 Zack Weinberg <zackw@panix.com>
9881 * doc/md.texi (Machine Constraints): Refer to all files with paths
9882 relative to gcc directory (i.e. config/CPU/file). Add missing
9883 @table @code ... @end table to M32C subsection.
9885 2006-02-26 Roger Sayle <roger@eyesopen.com>
9887 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9888 (X & 1) == 0.
9889 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9891 2006-02-26 Roger Sayle <roger@eyesopen.com>
9892 James A. Morrison <phython@gcc.gnu.org>
9894 PR middle-end/21137
9895 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9896 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9897 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9898 signedness of the shift operation.
9900 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9902 PR tree-optimization/26359
9903 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9905 2006-02-25 Roger Sayle <roger@eyesopen.com>
9907 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9908 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9909 as X == 0, and some symmetry related transformations.
9910 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9912 2006-02-25 Roger Sayle <roger@eyesopen.com>
9914 PR middle-end/23673
9915 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9916 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9917 symmetry related transformations. Fold (X^C1) == C2 as
9918 X == (C1^C2).
9920 2006-02-25 Juergen Weigert <jw@suse.de>
9921 Richard Guenther <rguenther@suse.de>
9923 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9925 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9927 * combine.c (gen_lowpart_or_truncate): Call
9928 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9930 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9932 * doc/invoke.texi: Move -fopenmp description to "Options for
9933 Code Generation".
9934 Remove reference to -lgomp.
9936 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9938 * doc/install.texi: Require GNU tar version 1.14.
9940 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9942 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9943 * doc/invoke.texi (C++ Dialect Options): Document
9944 -fno-use-cxa-get-exception-ptr.
9945 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9946 * configure: Regenerate.
9947 * c.opt (fuse-cxa-get-exception-ptr): New.
9948 * c-opts.c (c_common_handle_option): Handle
9949 OPT_fuse_cxa_get_exception_ptr.
9950 * c-common.c (flag_use_cxa_atexit): Update documentation.
9951 (flag_use_cxa_get_exception_ptr): New.
9952 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9953 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9954 documentation.
9955 (C_COMMON_OVERRIDE_OPTIONS): New.
9957 2006-02-24 Roger Sayle <roger@eyesopen.com>
9959 PR middle-end/24952
9960 * combine.c (try_combine): Explicitly check whether GET_CODE is
9961 a SET or a CLOBBER, instead on checking that it isn't a USE.
9963 2006-02-24 Roger Sayle <roger@eyesopen.com>
9965 * fold-const.c (fold_comparison): New subroutine of fold_binary
9966 containing transformations common to both the equality and
9967 ordering relational operators, factored out of fold_binary.
9968 (fold_binary): Separate out the equality operators (EQ_EXPR
9969 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9970 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9971 transformations common to both.
9972 (fold_div_compare): Fix latent bugs in the previously unreachable
9973 LT_EXPR and GE_EXPR cases.
9975 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9977 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9978 decl libname for clog to __clog on AIX.
9980 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9982 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9984 PR target/26453
9985 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9986 output traceback table for thunks. Localise rs6000_stack_info call.
9988 2006-02-23 Roger Sayle <roger@eyesopen.com>
9989 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9991 * gthr-posix.h (__gthrw): Fix typo in comment.
9993 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9995 * doc/cpp.texi (Character sets): Document that we do support
9996 input files to be in any character set.
9998 2006-02-23 Jeff Law <law@redhat.com>
10000 * tree.h (PHI_ARG_NONZERO): Remove.
10001 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10002 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10003 node to the new node.
10005 PR tree-optimization/26425
10006 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10007 min/max, then assume its varying.
10009 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10011 PR rtl-optimization/26316
10012 * rtlanal.c (enum may_trap_p_flags): New.
10013 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10014 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10015 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10016 (may_trap_after_code_motion_p): New function.
10017 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10018 (find_invariant_insn): Use may_trap_after_code_motion_p.
10019 * rtl.h (may_trap_after_code_motion_p): Declare.
10021 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10023 * emit-rtl.c (immed_double_const): Cleanup.
10025 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10027 Fix PR tree-optimization/26376
10028 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10029 remove assert.
10031 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10033 PR middle-end/26412
10034 * gimplify.c (omp_add_variable): Guard variable size decl test with
10035 DECL_SIZE (decl) check.
10037 2006-02-23 Richard Guenther <rguenther@suse.de>
10039 PR middle-end/26439
10040 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10041 like aggregate types.
10043 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10045 * configure.ac: Add --with{,out}-long-double-128 configure option.
10046 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10047 * configure: Rebuilt.
10048 * config.in: Rebuilt.
10049 * doc/install.texi (Options specification): Document
10050 --with-long-double-128.
10052 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10053 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10054 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10055 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10057 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10059 * config/s390/s390.c (override_options): Handle
10060 TARGET_DEFAULT_LONG_DOUBLE_128.
10062 * config/alpha/alpha.c (override_options): Handle
10063 TARGET_DEFAULT_LONG_DOUBLE_128.
10065 * config/sparc/sparc.c (sparc_override_options): Handle
10066 TARGET_DEFAULT_LONG_DOUBLE_128.
10068 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10070 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10071 (real-install-headers-tar, real-install-headers-cpio)
10072 (real-install-headers-cp): New targets.
10074 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10076 * tree.h (variable_section): Delete.
10077 * varasm.c (variable_section): Delete.
10079 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10081 * install.texi: Add notes on install.texi2html.
10082 (Building in parallel): Do not use footnotes.
10084 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10086 PR libgomp/26234
10087 * doc/install.texi (Configuration): Document --disable-libgomp.
10089 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10091 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10093 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10095 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10096 (vec_extractv2df_0_sse): New.
10098 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10100 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10101 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10102 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10103 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10104 to the result of the expression.
10105 (def_cfa_1): Adjust.
10106 (frame_pointer_cfa_offset): Rename to...
10107 (frame_pointer_fb_offset): ... this. Adjust all uses.
10108 (convert_cfa_to_loc_list): Rename to...
10109 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10110 Pass it on to build_cfa_loc.
10111 (compute_frame_pointer_to_cfa_displacement): Rename to...
10112 (compute_frame_pointer_to_fb_displacement): ... this. New
10113 offset parameter. Use it in computation.
10114 (gen_subprogram_die): Compute cfa_fb_offset with the new
10115 macro, and use it to compute the fb loc list and the
10116 displacement.
10118 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10120 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10121 replaced with register_operand.
10122 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10123 non-DREG is expensive.
10124 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10125 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10126 involving memory.
10128 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10130 * doc/install.texi2html: Use set -e.
10132 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10134 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10135 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10136 * doc/invoke.texi (-fshared-data): Delete.
10137 * common.opt (fshared-data): Delete.
10138 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10139 (assemble_static_space): Remove #if 0 code.
10140 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10141 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10142 * config/cris/cris.h: Remove FIXME.
10144 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10146 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10147 hooks.
10149 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10151 PR middle-end/26379
10152 * combine.c (simplify_shift_const_1): Disable nested shifts
10153 optimization for vector shifts.
10155 2006-02-20 Roger Sayle <roger@eyesopen.com>
10157 PR tree-optimization/26361
10158 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10159 of unsigned integer types.
10161 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10163 * tree-chrec.c (eq_evolutions_p): New.
10164 * tree-chrec.h (eq_evolutions_p): Declared.
10165 * tree-data-ref.c: Fix formatting.
10166 (datadep_stats, dependence_stats): New.
10167 (gcd): Moved...
10168 (print_direction_vector): New.
10169 (dump_data_dependence_relation): Use print_direction_vector.
10170 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10171 (compute_subscript_distance): Static.
10172 (initialize_data_dependence_relation): Static. Get the number
10173 of loops surrounding the references from the callers, and initialize
10174 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10175 base_object_differ_p analyzers.
10176 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10177 compute_overlap_steps_for_affine_1_2,
10178 analyze_subscript_affine_affine): Count the classified dependences.
10179 Print a message when a test failed.
10180 (can_use_analyze_subscript_affine_affine): New.
10181 (analyze_siv_subscript): Compute the data dependences on symbolic
10182 scevs that verify can_use_analyze_subscript_affine_affine.
10183 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10184 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10185 Handle symbolic scevs.
10186 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10187 analyzed.
10188 (subscript_dependence_tester): Moved...
10189 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10190 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10191 DDR_SIZE_VECT instead of getting it in parameter.
10192 (subscript_dependence_tester): ... here. Take as a parameter
10193 loop_nest_depth. Call build_classic_dist_vector and
10194 build_classic_dir_vector.
10195 (compute_affine_dependence): Update subscript_dependence_tester
10196 parameters. Update datadep_stats counters. Call
10197 compute_subscript_distance.
10198 (compute_self_dependence): Save the dist and dir vectors. Call
10199 compute_subscript_distance.
10200 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10201 (compute_all_dependences): Reorder parameters as they were before
10202 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10203 compute_subscript_distance. Update the use of
10204 compute_affine_dependence and initialize_data_dependence_relation.
10205 (find_data_references_in_loop): Handle COMPONENT_REF.
10206 (compute_data_dependences_for_loop): Initialize dependence_stats.
10207 Don't call build_classic_dist_vector and build_classic_dir_vector.
10208 Update the parameters of initialize_data_dependence_relation and
10209 compute_all_dependences. Print the statistics from datadep_stats.
10210 (analyze_all_data_dependences): Static. Not used until the pass for
10211 checking the data dependences is contributed.
10212 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10213 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10214 (initialize_data_dependence_relation, compute_affine_dependence,
10215 analyze_all_data_dependences, compute_subscript_distance): Removed.
10216 (print_direction_vector): New.
10217 * lambda.h (gcd): ... here.
10218 (lambda_vector_gcd): Moved here from gcd_vector.
10219 * lambda-code.c (gcd, gcd_vector): Removed.
10220 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10221 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10223 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10225 * ipa-type-escape.c: Tidy some comments and white space.
10226 * tree-ssa-operands.c: Likewise.
10228 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10230 PR tree-opt/25879
10231 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10232 (dump_decl_name): Do not walk the decl tree chains.
10233 * tree-pass.h (TDF_CHAIN): Remove.
10235 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10237 * Makefile.in (C): Remove
10238 (PROTO): Remove
10239 (.PHONY): Remove C and PROTO
10241 2006-02-20 Roger Sayle <roger@eyesopen.com>
10243 PR middle-end/26236
10244 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10245 deprecated CHAR_TYPE tree code.
10247 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10249 * configure.ac (target_list): Add install-info, dvi, html.
10250 * configure: Regenerate.
10252 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10253 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10254 treelang/Make-lang.in: Do not use double-colon rules.
10256 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10258 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10259 (TMT_USED_ALONE): New macro.
10260 * tree-pass.h (PROP_tmt_usage): New property.
10261 (TODO_update_tmt_usage): New todo.
10262 * tree-ssa-alias.c (updating_used_alone): New variable.
10263 (recalculate_used_alone): New function.
10264 (compute_may_aliases): Set updating_used_alone, call
10265 recalculate_used_alone.
10266 * tree-sra.c (pass_sra): Note that this pass destroys
10267 PROP_tmt_usage, and add TODO_update_tmt_usage.
10268 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10269 * tree-flow.h (updating_used_alone): Prototype.
10270 (recalculate_used_alone): Ditto.
10271 * passes.c (execute_todo): Add code to set updating_used_alone,
10272 and call recalculate.
10273 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10274 for clobber if used alone, and add assert to verify used_alone
10275 status.
10277 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10279 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10280 for non tls symbols added.
10281 (legitimize_address): Do nothing for PLUS expressions if one of the
10282 addends is a tls symbol reference.
10284 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10286 PR bootstrap/25476
10288 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10290 * Makefile.in (BOOTSTRAPPING): New.
10291 (quickstrap): New definition if BOOTSTRAPPING=yes.
10293 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10294 * configure.ac: Substitute all_selected_languages with the languages
10295 that were configured. For all the other variables except
10296 lang_specs_files, include all the languages in the tree.
10297 * configure: Regenerate.
10299 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10300 if there is one. Run the commands to run fixincludes in the same
10301 subshell.
10303 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10304 * doc/install.texi: Document exact conventions for searching target tools.
10305 Document --with-build-time-tools. Document toplevel bootstrap. Document
10306 something more about building an Ada cross-compiler. Don't list GNU Make
10307 requirements which affect all platforms.
10309 2006-02-19 Roger Sayle <roger@eyesopen.com>
10311 PR middle-end/19543
10312 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10313 only equivalent if the have both the same mode and precision.
10315 2006-02-20 Ben Elliston <bje@au.ibm.com>
10317 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10319 2006-02-19 Roger Sayle <roger@eyesopen.com>
10320 Steven Bosscher <stevenb.gcc@gmail.com>
10322 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10323 constant pool references to identify stack mode constants.
10324 * rtlanal.c (constant_pool_constant_p): New predicate to check
10325 whether operand is a floating point constant in the pool.
10326 * rtl.h (constant_pool_constant_p): Prototype here.
10327 * loop.c (scan_loop): Avoid hoisting constants from the constant
10328 pool on STACK_REGS targets.
10329 (load_mems): Likewise.
10330 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10331 loads into x87 registers expensive in terms of register pressure.
10333 2006-02-19 Roger Sayle <roger@eyesopen.com>
10335 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10336 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10338 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10340 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10341 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10343 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10345 * doc/invoke.texi: Document -fipa-pta.
10346 * common.opt: Add ipa-pta option.
10347 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10348 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10349 (do_ds_constraint): Ditto.
10350 (get_constraint_for): Only add to referenced_vars if
10351 referenced_vars exists.
10352 (insert_into_field_list): Rewrite to do this unsorted.
10353 (insert_into_field_list_sorted): Rename old insert_into_field_list
10354 to this.
10355 (create_function_info_for): Use insert_into_field_list_sorted.
10356 (create_variable_info_for): Rewrite so it uses unsorted version,
10357 since the field list is sorted.
10358 (intra_create_variable_infos): Only add to referenced_vars if
10359 referenced_vars exists.
10360 (ipa_pta_execute): Init heapvars, and delete when done.
10361 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10363 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10365 * doc/install.texi: Add missing `@samp'.
10367 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10369 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10370 Use the arguments.
10372 2006-02-18 Mark Wielaard <mark@klomp.org>
10374 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10375 who added new 4.1 features, bug fixes and integration support.
10377 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10379 PR target/26350
10380 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10381 MEM for ABI_V4 pic.
10383 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10385 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10386 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10387 (copy_insn_1): Likewise. Don't copy each field individually.
10388 Reindent.
10389 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10390 of RTX_SIZE.
10391 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10392 * rtl.c (rtx_size): Rename variable to...
10393 (rtx_code_size): ...this.
10394 (rtx_size): New function.
10395 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10396 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10397 Reindent.
10398 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10399 * rtl.h (rtx_code_size): New variable.
10400 (rtx_size): Change from a variable to a function.
10401 (RTX_SIZE): Rename to...
10402 (RTX_CODE_SIZE): ...this.
10404 PR target/9703
10405 PR tree-optimization/17106
10406 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10407 (Anchored Addresses): New section.
10408 * doc/invoke.texi (-fsection-anchors): Document.
10409 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10410 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10411 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10412 * hooks.c (hook_bool_mode_rtx_false): New function.
10413 * hooks.h (hook_bool_mode_rtx_false): Declare.
10414 * gengtype.c (create_optional_field): New function.
10415 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10416 SYMBOL_REF_IN_BLOCK_P is true.
10417 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10418 (min_anchor_offset, max_anchor_offset): Likewise.
10419 (use_anchors_for_symbol_p): New hook.
10420 * toplev.c (compile_file): Call output_object_blocks.
10421 (target_supports_section_anchors_p): New function.
10422 (process_options): Check that -fsection-anchors is only used on
10423 targets that support it and when -funit-at-a-time is in effect.
10424 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10425 if the decl doesn't have one.
10426 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10427 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10428 of force_const_mem through use_anchored_address.
10429 (expand_expr_constant): New function.
10430 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10431 calling expand_expr for INDIRECT_REF.
10432 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10433 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10434 * expr.h (use_anchored_address): Declare.
10435 * loop-unroll.c: Don't declare rtx vectors here.
10436 * explow.c: Include output.h.
10437 (validize_mem): Call use_anchored_address.
10438 (use_anchored_address): New function.
10439 * common.opt (-fsection-anchors): New switch.
10440 * varasm.c (object_block_htab, anchor_labelno): New variables.
10441 (hash_section, object_block_entry_eq, object_block_entry_hash)
10442 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10443 (use_blocks_for_decl_p, change_symbol_section): New functions.
10444 (get_variable_section): New function, split out from assemble_variable.
10445 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10446 use_blocks_for_decl_p say so. Use change_symbol_section if the
10447 symbol has already been created.
10448 (assemble_variable_contents): New function, split out from...
10449 (assemble_variable): ...here. Don't output any code for
10450 block symbols; just pass them to place_block_symbol.
10451 Use get_variable_section and assemble_variable_contents.
10452 (get_constant_alignment, get_constant_section, get_constant_size): New
10453 functions, split from output_constant_def_contents.
10454 (build_constant_desc): Create a block symbol if use_object_blocks_p
10455 says so. Or into SYMBOL_REF_FLAGS.
10456 (assemble_constant_contents): New function, split from...
10457 (output_constant_def_contents): ...here. Don't output any code
10458 for block symbols; just pass them to place_section_symbol.
10459 Use get_constant_section and get_constant_alignment.
10460 (force_const_mem): Create a block symbol if use_object_blocks_p and
10461 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10462 (output_constant_pool_1): Add an explicit alignment argument.
10463 Don't switch sections here.
10464 (output_constant_pool): Adjust call to output_constant_pool_1.
10465 Switch sections here instead. Don't output anything for block symbols;
10466 just pass them to place_block_symbol.
10467 (init_varasm_once): Initialize object_block_htab.
10468 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10469 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10470 (place_block_symbol, get_section_anchor, output_object_block)
10471 (output_object_block_htab, output_object_blocks): New functions.
10472 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10473 (TARGET_ASM_OUT): Include it.
10474 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10475 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10476 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10477 (TARGET_INITIALIZER): Include them.
10478 * rtl.c (rtl_check_failed_block_symbol): New function.
10479 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10480 (block_symbol, object_block): New structures.
10481 (rtx_def): Add a block_symbol field to the union.
10482 (BLOCK_SYMBOL_CHECK): New macro.
10483 (rtl_check_failed_block_symbol): Declare.
10484 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10485 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10486 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10487 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10488 * output.h (output_section_symbols): Declare.
10489 (object_block): Name structure.
10490 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10491 (default_use_anchors_for_symbol_p): Declare.
10492 * Makefile.in (RTL_BASE_H): Add vec.h.
10493 (explow.o): Depend on output.h.
10494 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10495 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10496 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10497 (rs6000_use_blocks_for_constant_p): New function.
10499 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10501 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10503 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10505 PR tree-opt/25680
10506 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10507 IMAGPART_EXPR.
10509 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10511 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10512 is_aliased.
10513 Update all users.
10515 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10517 PR middle-end/26334
10518 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10519 instead of DECL_REGISTER.
10521 2006-02-18 Olivier Hainque <hainque@adacore.com>
10523 PR ada/13408
10524 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10526 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10528 PR target/24837
10529 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10530 * opth-gen.awk: Handle Var and InverseMask together.
10531 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10532 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10533 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10534 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10535 used together.
10536 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10537 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10538 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10539 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10540 LINUX_DYNAMIC_LINKER): Define.
10541 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10542 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10543 TARGET_GLIBC.
10544 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10545 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10546 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10547 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10548 (TARGET_C99_FUNCTIONS): Don't define.
10549 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10550 GLIBC_DYNAMIC_LINKER.
10551 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10552 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10553 GLIBC_DYNAMIC_LINKER64): Define.
10554 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10555 LINUX_DYNAMIC_LINKER64.
10556 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10557 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10558 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10559 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10560 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10561 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10562 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10563 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10564 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10565 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10566 and LINUX_DYNAMIC_LINKER32.
10567 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10568 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10569 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10570 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10571 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10572 TARGET_GLIBC.
10573 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10574 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10575 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10576 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10577 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10578 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10579 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10580 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10581 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10582 LINUX_DYNAMIC_LINKER): Define.
10583 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10584 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10585 GLIBC_DYNAMIC_LINKER64): Define.
10586 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10587 LINUX_DYNAMIC_LINKER64.
10588 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10589 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10590 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10591 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10592 LINUX_DYNAMIC_LINKER): Define.
10593 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10594 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10595 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10596 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10597 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10598 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10599 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10600 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10601 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10602 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10604 * doc/invoke.texi (-muclibc): Remove caveat about supported
10605 targets.
10607 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10609 * doc/cpp.texi (__TIMESTAMP__): Document.
10611 2006-02-17 Roger Sayle <roger@eyesopen.com>
10613 PR middle-end/25600
10614 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10615 C is one less than the width of X (and related transformations).
10616 * simplify-rtx.c (simplify_unary_operation_1): Transform
10617 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10618 depending on STORE_FLAG_VALUE, were C is one less then the
10619 width of X.
10621 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10623 Fix PR tree-optimization/26341
10624 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10625 about NAME_MEMORY_TAG's.
10627 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10629 PR target/26255
10630 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10631 with hardware float support, and software float support. Add fcpy
10632 alternative to hardware patterns. Add alternatives to copy between
10633 general and floating-point registers to the 32-bit pattern.
10634 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10635 secondary reload to load a QI or HI mode constant into a floating
10636 point register.
10637 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10638 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10640 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10642 PR target/26272
10643 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10644 pc to the pattern.
10645 (load_macho_picbase_di): Likewise.
10647 2006-02-16 Jeff Law <law@redhat.com>
10649 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10650 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10651 (ssa_name_nonzero_p): Likewise.
10652 (get_value_range): Return NULL if VRP is not running.
10653 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10654 VRP routines do not discover a range.
10655 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10656 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10657 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10658 (tree_expr_nonnegative_p): Similarly.
10659 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10660 (restore_nonzero_vars_to_original_value): Remove.
10661 (unsafe_associative_fp_binop): Remove.
10662 (tree_ssa_dominator_optimize): Remove initialization and
10663 finalization of nonzero_vars and nonzero_vars_stack.
10664 (dom_opt_initialize_block): No longer push marker on
10665 nonzero_vars_stack.
10666 (dom_opt_finalize_block): No longer call
10667 restore_nonzero_vars_to_original_value.
10668 (record_equivalences_from_phis): No longer look for
10669 nonzero PHI arguments.
10670 (cprop_into_successor_phis): No longer propagate nonzero
10671 property into PHI arguments. Lose unused argument. Caller
10672 updated.
10673 (record_equivalences_from_stmt): No longer record nonzero
10674 values for SSA_NAMEs.
10675 (lookup_avail_expr): No longer use nonzero_vars.
10677 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10678 for sizetype when sizetype is unsigned.
10680 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10682 PR rtl-optimization/25603
10683 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10684 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10685 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10686 with new meaning of SETS.
10688 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10690 PR target/20353
10691 PR target/24578
10692 PR target/24837
10693 * config/linux.opt: New file.
10694 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10695 LINUX_DYNAMIC_LINKER): Define.
10696 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10697 * config.gcc (*-*-linux*): Define extra_options.
10698 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10699 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10700 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10701 GLIBC_DYNAMIC_LINKER.
10702 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10703 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10704 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10705 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10706 * doc/invoke.texi (GNU/Linux Options): New section.
10708 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10710 * config/sparc/sparc.md (setjmp): Rewrite.
10711 (setjmp_32): Delete.
10712 (setjmp_64): Likewise.
10714 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10716 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10717 previous change.
10719 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10721 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10722 read-write uses.
10724 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10726 PR rtl-optimization/26296
10727 * Makefile.in (loop-invariant.c): Add except.h dependency.
10728 * loop-invariant.c: Include except.h.
10729 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10731 2005-02-16 Paul Brook <paul@codesourcery.com>
10733 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10734 for reloads.
10736 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10738 PR rtl-optimization/25636
10739 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10740 when deciding whether an insn is an initializing insn.
10742 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10744 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10745 (tree_code_size): Ditto.
10746 * tree.h (struct tree_memory_tag): Remove parent_var.
10747 (struct tree_struct_field_tag): New.
10748 (SFT_OFFSET): New.
10749 (SFT_SIZE): New.
10750 (union tree_node): Add sft member.
10751 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10752 specially here.
10753 (create_sft): Add size and offset argument, set SFT_OFFSET and
10754 SFT_SIZE.
10755 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10756 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10757 * tree-flow-inline.h (get_subvar_at): Update for
10758 SFT_OFFSET/SFT_SIZE.
10759 (var_can_have_subvars): Ditto.
10760 (overlap_subvar): Ditto.
10761 * print-tree.c (print_node): Print out interesting things for
10762 SFT's.
10763 * tree-flow.h (struct subvar): Remove offset and size members.
10764 * tree-ssa-operands.c (get_expr_operands): Update for
10765 get_indirect_ref_operands changes.
10766 (get_indirect_ref_operands): Call add_virtual_operand instead of
10767 add_stmt_operand. Only recurse on base var if requested.
10768 (access_can_touch_variable): New function.
10769 (add_stmt_operand): Split virtual operand handling into ...
10770 (add_virtual_operand): Here. Add offset, size, and for_clobber
10771 arguments. Prune alias sets.
10772 (add_call_clobber_ops): Call add_virtual_operand.
10774 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10776 PR middle-end/26300
10777 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10779 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10780 than TREE_CODE as index into omp_clause_num_ops array.
10782 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10784 PR rtl-optimization/26184
10785 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10786 uses_of_defs.
10787 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10788 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10789 must_precede, must_follow and tobe_scheduled.
10791 PR other/26147
10792 * opts.c (common_handle_option): Free new_option pointer.
10793 * df-core.c (df_analyze): Free postorder pointer.
10795 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10797 * Makefile.in: Fix the examples about the use of stamps
10799 2006-02-15 Michael Matz <matz@suse.de>
10801 PR middle-end/22275
10803 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10804 influenced by maximum_field_alignment or DECL_PACKED.
10805 (update_alignment_for_field): Ditto.
10806 (place_field): Ditto.
10807 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10808 this behaviour.
10810 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10812 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10813 (debug_flow_info): Pass it.
10814 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10815 * bb-reorder.c (reorder_basic_blocks): Likewise.
10816 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10817 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10818 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10819 * gcse.c (gcse_main, bypass_jumps): Likewise.
10820 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10821 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10822 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10823 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10824 * rtl.h (dump_flow_info): Adjust prototype.
10825 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10826 * var-tracking.c (variable_tracking_main): Likewise.
10827 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10828 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10829 options.
10831 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10833 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10834 construction.
10836 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10838 PR tree-optimization/26209
10839 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10840 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10841 eh edges.
10842 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10844 2006-02-14 Roger Sayle <roger@eyesopen.com>
10846 PR middle-end/23670
10847 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10848 (X,Y) and the corresponding symmetry related transformations.
10849 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10850 (X,Y) and its symmetry related transformations.
10852 2006-02-14 Roger Sayle <roger@eyesopen.com>
10854 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10855 and GEU.
10857 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10859 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10861 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10863 PR bootstrap/26053
10864 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10865 support COMDAT group.
10866 * configure: Regenerate.
10868 2006-02-14 Roger Sayle <roger@eyesopen.com>
10870 PR middle-end/26279
10871 PR middle-end/26280
10872 PR middle-end/26283
10873 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10875 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10877 Fix PR tree-optimization/26260
10879 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10880 param.
10881 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10882 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10883 * tree-ssa-structalias.c (create_variable_info_for): Use
10884 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10886 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10888 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10889 Document.
10890 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10891 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10892 of the ending condition.
10893 * tree-ssa-loop-manip.c: Include params.h.
10894 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10895 tree_unroll_loop): New functions.
10896 * tree-pass.h (pass_loop_prefetch): Declare.
10897 * loop.c (rest_of_handle_loop_optimize): Test for
10898 -fprefetch-loop-arrays-rtl.
10899 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10900 * timevar.def (TV_TREE_PREFETCH): New timevar.
10901 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10902 pass_loop_prefetch): New.
10903 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10904 (cleanup_tree_cfg_loop): Call scev_reset.
10905 * common.opt (fprefetch-loop-arrays-rtl): Add.
10906 * tree-ssa-loop-prefetch.c: New file.
10907 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10908 (new_temp_expr_table): Initialize expr_vars.
10909 (free_temp_expr_table): Cleanup expr_vars.
10910 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10911 expressions from being merged into one.
10912 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10913 (struct tree_niter_desc): Add control, bound and cmp fields.
10914 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10915 Declare.
10916 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10917 (tree-cfgcleanup.o): Add SCEV_H dependency.
10918 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10919 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10921 2006-02-14 Richard Guenther <rguenther@suse.de>
10923 PR tree-optimization/26258
10924 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10925 in PHI argument processing.
10927 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10929 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10930 new expression in the requested machine mode.
10932 2006-02-13 Roger Sayle <roger@eyesopen.com>
10934 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10935 directly, instead let do_compare_rtx_and_jump handle this for us.
10936 * expr.c (expand_expr_real_1): Likewise.
10937 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10938 before do_jump_by_parts_greater.
10939 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10940 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10942 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10944 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10946 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10948 PR rtl-optimization/26235
10949 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10950 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10951 format.
10953 2006-02-13 Jeff Law <law@redhat.com>
10955 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10956 TRUTH_XOR_EPR.
10958 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10960 PR middle-end/26092
10961 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10962 twice if decl is a builtin. When trying again, call get_callee_fndecl
10963 first to verify it is still a builtin.
10965 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10967 * dwarf2out.c (base_type_die): Don't add AT_name here.
10968 (subrange_type_die): Don't add AT_name here.
10969 (modified_type_die): Rearrange code flow. Do add AT_name here.
10971 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10973 PR rtl-optimization/26247
10974 PR rtl-optimization/26248
10975 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10977 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10979 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10980 * config/fixtfdi.c: Likewise.
10981 * config/fixunstfdi.c: Likewise.
10982 * config/floatditf.c: Likewise.
10984 2006-02-13 Roger Sayle <roger@eyesopen.com>
10986 PR middle-end/24427
10987 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10988 into (X,C2) if C1 is a subset of the bits of C2. Transform
10989 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10990 (X&(C1&~C2))|C2.
10991 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10993 2006-02-13 Josh Conner <jconner@apple.com>
10995 PR target/25376
10996 * varasm.c (function_section): Check for section name before
10997 calling select_section on targets that define
10998 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10999 unlikely_text_section instead of hot_function_section if
11000 first_function_block_is_cold.
11002 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11004 PR middle-end/25335
11005 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11007 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11009 PR rtl-optimization/26222
11010 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11011 after tree->rtl expansion.
11012 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11013 before passing it to emit_move_insn.
11015 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11017 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11018 default.
11019 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11020 Clarify documentation.
11021 * c-common.h (warn_write_strings): Remove.
11022 * c-common.c (warn_write_strings): Likewise.
11023 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11024 default for C++.
11026 2006-02-12 Roger Sayle <roger@eyesopen.com>
11028 PR middle-end/25724
11029 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11030 (do_jump_parts_zero_rtx): New function renamed from
11031 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11032 (do_jump_parts_equality_rtx): New function split out from
11033 do_jump_parts_equality. Old implementation renamed as above.
11034 Call do_jump_parts_zero_rtx if either operand is zero.
11035 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11036 do all of the heavy lifting.
11037 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11038 calling either do_jump_by_parts_greater_rtx or
11039 do_jump_by_parts_equality_rtx.
11040 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11041 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11042 moved to do_compare_rtx_and_jump, call it directly.
11043 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11044 mode argument. Call do_compare_rtx_and_jump.
11045 (emit_case_nodes): Update calls to do_jump_if_equal.
11047 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11049 PR rtl-optimization/26225
11050 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11052 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11054 PR rtl-optimization/26232
11055 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11057 2006-02-11 Jason Merrill <jason@redhat.com>
11059 PR tree-opt/24365
11060 * tree-inline.c (declare_return_variable): Just don't use the
11061 modify target if it's a gimple complex reg and the return slot
11062 isn't.
11064 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11066 * doc/contrib.texi: Update my entry.
11068 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11070 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11072 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11074 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11075 expensive.
11077 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11079 * doc/invoke.texi (-floop-optimize2): Removed.
11080 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11081 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11082 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11083 * common.opt (floop-optimize2): Removed.
11084 (fmove-loop-invariants): Enabled by default.
11086 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11088 * tree-if-conv.c (combine_blocks): Free the result of
11089 get_loop_exit_edges.
11091 2006-02-10 Jeff Law <law@redhat.com>
11093 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11095 PR tree-optimization/26213
11096 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11097 loop trying to follow SSA_NAME_VALUE chains.
11099 2006-02-10 Richard Guenther <rguenther@suse.de>
11101 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11102 deal with structures that end in implicitly variable sized arrays.
11104 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11106 PR rtl-optimization/24762
11107 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11108 eh edges.
11110 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11112 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11113 (struct ivopts_data): Add regs_used field.
11114 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11115 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11116 instead of loop_data->regs_used;
11117 (free_loop_data): Do not free aux fields for loops.
11118 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11119 and tree_ssa_iv_optimize_finalize.
11121 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11123 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11125 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11127 PR target/26141
11128 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11129 computing the effective result type.
11131 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11133 PR inline-asm/16194
11134 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11135 (tree_overlaps_hard_reg_set): Declare.
11136 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11137 type and signature to match function type expected by walk_tree.
11138 (tree_overlaps_hard_reg_set): New function.
11139 (decl_conflicts_with_clobbers_p): Rename to:
11140 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11141 Use tree_overlaps_hard_reg_set. Changed caller.
11142 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11143 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11144 * cris.c (cris_md_asm_clobbers): Likewise.
11146 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11148 * reload1.c (emit_input_reload_insns): Delete code that tries to
11149 inherit using find_equiv_reg.
11151 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11153 * c-common.h (flag_const_strings): Don't declare.
11154 * c-common.c (flag_const_strings): Remove.
11155 * c.opt (fconst_strings): Remove.
11156 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11157 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11158 (c_common_init_options): Don't set flag_const_strings.
11159 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11161 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11163 * arm.md (tlobits_cbranch): New pattern.
11164 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11165 testing a single bit.
11167 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11169 PR tree-opt/26179
11170 * tree-ssa-pre.c (create_component_ref_by_pieces):
11171 Handle RETURN_DECL like VAR_DECL.
11173 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11175 PR middle-end/26134
11176 * fold-const.c (fold_indirect_ref_1): Fold
11177 "*(foo *)&complexfoo" to "__real__ complexfoo"
11178 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11180 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11182 * tree-flow-inline.h (var_can_have_subvars):
11183 Volatile variables should not have subvariables.
11185 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11187 PR 26180
11188 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11189 multiplying unsigned values.
11190 Tidy comments.
11192 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11194 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11196 2006-02-08 Jason Merrill <jason@redhat.com>
11198 PR c++/25979
11199 * tree.def: Elaborate on difference from MODIFY_EXPR.
11200 * doc/c-tree.texi (INIT_EXPR): Likewise.
11201 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11202 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11203 (gimplify_target_expr): Likewise.
11204 (gimplify_cond_expr): Remove target handling.
11205 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11206 (gimplify_expr): Clobber it here.
11207 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11208 Do return slot optimization if we have an INIT_EXPR.
11210 PR tree-opt/24365
11211 * tree-inline.c (declare_return_variable): Also clear
11212 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11214 PR c++/16405
11215 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11217 PR middle-end/22439
11218 * gimplify.c (gimplify_one_sizepos): Fix typo.
11220 2006-02-08 Jeff Law <law@redhat.com>
11222 PR tree-optimization/21417
11223 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11224 across a backedge if the control statement at the end of the
11225 block is data dependent on other statements in the same block.
11226 (record_temporary_equivalences_from_stmts): Remove over-conservative
11227 test for threading across backedges.
11229 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11230 control statement, handle all three special cases in the same
11231 manner as they all have the same desired solution. No longer
11232 special case edge flag updating when the post dominator is
11233 the exit block.
11235 2006-02-08 Roger Sayle <roger@eyesopen.com>
11237 * tree.def (CHAR_TYPE): Remove.
11238 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11239 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11240 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11241 (gen_string_type_die): Delete unreachable function.
11243 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11244 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11245 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11246 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11247 * builtins.c (type_to_class): Likewise.
11248 * fold-const.c (fold_convert, build_range_check,
11249 merge_ranges): Likewise.
11250 * expr.c (count_type_elements): Likewise.
11251 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11252 * stor-layout.c (layout_type): Likewise.
11253 * ipa-type-escape.c (type_to_consider): Likewise.
11254 * gimplify.c (omp_firstprivatize_type_sizes,
11255 gimplify_type_sizes): Likewise.
11256 * explow.c (promote_mode): Likewise.
11257 * tree-sra.c (is_sra_scalar_type): Likewise.
11258 * varasm.c (output_constant): Likewise.
11259 * tree-inline.c (remap_type_1): Likewise.
11260 * convert.c (convert_to_pointer, convert_to_real,
11261 convert_to_integer, convert_to_complex): Likewise.
11263 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11265 * df-scan.c (df_def_record_1): A set destination may
11266 be a parallel regardless of mode.
11268 2006-02-08 Roger Sayle <roger@eyesopen.com>
11270 PR target/22209
11271 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11272 * config/mips/_tilib.c: Remove.
11273 * config/fixtfdi.c: New libgcc source file.
11274 * config/fixunstfdi.c: New source file.
11275 * config/floatditf.c: New source file.
11276 * config/floatunditf.c: New souce file.
11277 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11278 files above instead of config/mips/_tilib.c.
11279 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11281 2006-02-08 Jeff Law <law@redhat.com>
11283 PR tree-optimization/26169
11284 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11285 threading jumps.
11287 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11289 * df.h (DF_REG_SIZE): Return the length of the initialized
11290 part of the array.
11292 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11294 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11295 __muldf3): Return a correctly signed zero.
11297 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11299 * passes.c (register_one_dump_file): Accept the current properties
11300 instead of pass number. Adjust call to dump_register. Remove
11301 duplicated code.
11302 (register_dump_files): Now a wrapper around...
11303 (register_dump_files_1): ... this one. Do not modify the pass
11304 structure.
11305 (next_pass_1): Cosmetic fix.
11306 (execute_todo): Keep second parameter only. Use curr_properties
11307 instead of fetching it from the pass structure. Check and set
11308 last_verified.
11309 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11310 instead of fetching it from the pass structure. Fix calls to
11311 execute_todo. Update curr_properties and initialize .vcg RTL dump
11312 after running the pass. Reset last_verified.
11313 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11314 at the beginning.
11315 (FIRST_AUTO_NUMBERED_DUMP): New.
11316 (dump_register): Remove "num" parameter, assign it within the
11317 function.
11318 (get_dump_file_name): Modify template for dumps.
11319 * tree-dump.h (dump_register): Adjust prototype.
11320 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11321 (PROP_trees): Add PROP_gimple_lomp.
11322 (TODO_set_props): New.
11323 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11324 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11325 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11327 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11329 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11330 (sparc64-*-linux*): Likewise.
11331 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11332 * config/sparc/t-linux: New file.
11333 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11334 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11335 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11336 -m32 -mlong-double-128.
11338 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11339 * config/alpha/t-linux: New file.
11340 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11342 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11343 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11344 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11345 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11346 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11347 (CPP_ARCH32_SPEC): Remove.
11349 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11351 PR tree-optimization/26145
11352 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11353 bbs pointer.
11355 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11357 PR target/26109
11358 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11359 >= 240000 when generating code for SOM runtime.
11360 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11361 to $$dyncall when generating code for SOM runtime..
11363 2006-02-07 Dirk Mueller <dmueller@suse.com>
11365 PR c++/18150
11366 * doc/invoke.texi (-Wsequence-point): Update documentation
11367 that -Wsequence-point is implemented for C++ as well.
11369 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11371 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11372 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11373 (LIB_SPEC): Likewise.
11374 * doc/invoke.texi (SPARC options): Document -pthread.
11376 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11378 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11379 PIC addresses.
11381 2006-02-07 Roger Sayle <roger@eyesopen.com>
11383 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11384 Correct comment describing BOOLEAN_TYPE.
11386 2006-02-07 Dirk Mueller <dmueller@suse.com>
11388 * c.opt: C++ frontend supports -Wdiv-by-zero.
11389 * c-opts.c (c_common_handle_option): Remove dead case.
11391 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11393 * configure.ac (TLS assembler check): Do not enable TLS by
11394 default on SPARC/Solaris before version 10.
11395 * configure: Regenerate.
11397 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11399 * doc/invoke.texi (xl-compat): Document conversion and support
11400 routine names.
11402 2006-02-07 Jeff Law <law@redhat.com>
11404 * tree-vrp.c (find_conditional_asserts): Update comments.
11405 (simplify_stmt_for_jump_threading): New.
11406 (identify_jump_threads, finalize_jump_threads): New.
11407 (vrp_finalize): Call identify_jump_threads.
11408 (execute_vrp): Call finalize_jump_threads.
11409 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11410 (vrp_element, vrp_data, vrp_element_p): Remove.
11411 (vrp_hash_elt, vrp_variables_stack): Remove.
11412 (vrp_hash, vrp_eq, record_range): Remove.
11413 (simplify_cond_and_lookup_avail_expr): Remove.
11414 (extract_range_from_cond): Remove.
11415 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11416 (simplify_stmt_for_jump_threading): New.
11417 (dom_thread_across_edge): New wrapper.
11418 (tree_ssa_dominator_optimize): No longer initialize or
11419 finalize any of the VRP datastructures. Remove iteration
11420 step and simplify as a result of removal of iteration step.
11421 (pass_dominator): Perform a cfg cleanup after DOM.
11422 (dom_opt_finalize_block): Use the new common routines
11423 for threading jumps. Simplify stack management slightly.
11424 No longer need to unwind VRP state.
11425 (record_equivalences_from_incoming_edge): No longer record
11426 VRP information.
11427 (eliminate_redundant_computations): No longer call
11428 simplify_cond_and_lookup_avail_expr.
11429 * tree-flow.h (potentially_threadable_block): Prototype.
11430 (thread_across_edge): Likewise.
11431 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11432 (tree-ssa-threadedge.o): Add dependencies.
11433 * tree-ssa-threadedge.c: New file.
11434 * passes.c (init_optimization_passes): Merge PHIs before
11435 calling VRP. Run VRP again late in the SSA optimization pipeline.
11437 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11439 * df-core.c (df_set_blocks): Do not dereference function pointers.
11440 (df_finish1): Likewise.
11441 (df_hybrid_search_forward): Likewise.
11442 (df_hybrid_search_backward): Likewise.
11443 (df_iterative_dataflow): Likewise.
11444 (df_analyze_problem): Likewise.
11445 (df_compact_blocks): Likewise.
11446 (df_dump): Likewise.
11447 * df-scan.c (df_rescan_blocks): Likewise.
11448 (df_record_entry_block_defs): Likewise.
11450 * genconditions.c (write_conditions): Guard the definition of
11451 'insn_conditions' with the check on GCC version.
11452 (write_writer): Guard the traversal 'insn_conditions' with
11453 the check on GCC version.
11455 2006-02-07 Richard Guenther <rguenther@suse.de>
11457 PR c++/26140
11458 Revert
11459 2006-01-30 Richard Guenther <rguenther@suse.de>
11460 PR c++/23372
11461 * gimplify.c (gimplify_target_expr): Handle easy cases
11462 without creating a temporary.
11464 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11466 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11467 use of float in probability computations. Use edge probabilities
11468 in place of statically computed probabilities.
11469 (min_spec_prob): New static variable.
11470 (schedule_insns): Initialize it.
11471 (GET_SRC_PROB): Removed.
11472 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11474 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11476 PR debug/24444
11477 * config/ia64/unwind-ia64.c: Revert last change.
11478 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11479 (INCOMING_FRAME_SP_OFFSET): Define.
11481 2006-02-06 Roger Sayle <roger@eyesopen.com>
11483 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11485 2006-02-07 Ben Elliston <bje@au.ibm.com>
11487 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11488 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11489 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11490 (ix86_return_in_memory): Handle TDmode.
11491 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11492 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11494 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11496 * reorg.c (dbr_schedule): Use dump_file instead of file.
11498 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11500 PR target/25917
11501 * config/ia64/predicates.md (extr_len_operand): New predicate.
11502 * config/ia64/ia64.md (extv): Tighten constraints.
11503 (extzv): Ditto.
11504 (*tbit_and_2): Ditto.
11505 (*tbit_and_3): Ditto.
11506 (*tbit_or_2): Ditto.
11507 (*tbit_or_3): Ditto.
11508 (*bit_zero): Ditto.
11509 (*bit_one): Ditto.
11511 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11513 PR target/23359
11514 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11516 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11518 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11519 loop_optimizer_init and loop_optimizer_finalize
11520 * tree-ssa-sink.c (execute_sink_code): Ditto.
11521 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11522 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11523 tree_ssa_loop_done): Ditto.
11524 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11525 * sched-ebb.c: Include output.h.
11526 (schedule_ebbs): Do not use dump argument.
11527 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11528 * loop.c (loop_dump_stream): Removed.
11529 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11530 argument.
11531 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11532 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11533 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11534 loop_iterations, strength_reduce, record_biv, record_giv,
11535 final_giv_value, check_final_value, check_ext_dependent_givs,
11536 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11537 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11538 dump_file instead of loop_dump_stream.
11539 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11540 argument dump_file.
11541 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11542 dump argument.
11543 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11544 * haifa-sched.c: Include output.h
11545 (schedule_insns, sched_init): Do not use dump argument.
11546 * mode-switching.c (optimize_mode_switching): Ditto.
11547 * modulo-sched.c (stats_file): Removed.
11548 (print_node_sched_params): Do not call argument dump_file.
11549 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11550 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11551 of stats_file.
11552 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11553 use dump argument.
11554 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11555 rtl_loop_init, rtl_loop_done): Ditto.
11556 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11557 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11558 Ditto.
11559 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11560 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11561 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11562 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11563 * emit-rtl.c (renumber_insns): Ditto.
11564 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11565 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11566 * regclass.c (regclass): Ditto.
11567 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11568 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11569 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11570 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11571 Ditto.
11572 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11573 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11574 to regclass.
11575 * gcse.c (gcse_file, debug_stderr): Removed.
11576 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11577 rest_of_handle_gcse): Do not use dump argument.
11578 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11579 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11580 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11581 compute_code_hoist_vbeinout, compute_code_hoist_data,
11582 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11583 compute_store_table, build_store_vectors, insert_insn_start_bb,
11584 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11585 store_motion): Use dump_file instead of gcse_file.
11586 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11587 * profile.c (profile_dump_file): Removed.
11588 (branch_prob): Use dump_file instead of profile_dump_file.
11589 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11590 dump_file.
11591 * tree-ssa-copy.c (dump_copy_of): Ditto.
11592 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11593 dump file to life_analysis.
11594 * bt-load.c (branch_target_load_optimize): Ditto.
11595 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11596 renumber_insns.
11597 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11598 regclass, dbr_schedule): Declaration changed.
11599 * sched-int.h (sched_init): Declaration changed.
11600 * tree-profile.c (tree_profile_dump_file): Removed.
11601 (tree_profile_hooks): Removed profile_dump_file hook.
11602 * rtl-profile (rtl_profile_dump_file): Removed.
11603 (rtl_profile_hooks): emoved profile_dump_file hook.
11604 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11605 changed.
11606 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11607 * tree-cfg.c (build_tree_cfg): Ditto.
11608 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11609 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11610 Declaration changed.
11611 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11612 life_analysis and schedule_insns.
11613 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11614 life_analysis.
11615 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11616 dbr_schedule.
11617 * config/mips/mips.c (mips_reorg): Ditto.
11618 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11619 schedule_ebbs.
11621 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11623 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11624 (s390_mangle_fundamental_type): New.
11625 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11626 Define.
11628 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11629 (alpha_mangle_fundamental_type): New.
11630 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11631 Define.
11633 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11634 Define.
11635 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11636 Define.
11637 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11638 (sparc_mangle_fundamental_type): New.
11640 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11642 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11643 (s390x-*-linux*): Likewise.
11644 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11645 * config/s390/t-linux: New file.
11647 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11649 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11650 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11652 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11654 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11655 (ANTIC_SAFE_LOADS): New macro.
11656 (find_or_generate_expression): Add prototype.
11657 (set_contains_value): Allow null set for sake of not always having
11658 to allocate ANTIC_SAFE_LOADS.
11659 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11660 Allow COMPONENT_REF too.
11661 (valid_in_set): Allow COMPONENT_REF.
11662 Check ANTIC_SAFE_LOADS too.
11663 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11664 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11665 rename.
11666 (can_PRE_operation): Add COMPONENT_REF.
11667 (create_component_ref_by_pieces): New function.
11668 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11669 (insert_aux): Move AGGREGATE_TYPE_P check here.
11670 (compute_avail): Set bb local stmt uids.
11671 (pass_pre): Use TODO_update_ssa_only_virtuals.
11673 2006-02-06 Ben Elliston <bje@au.ibm.com>
11675 * configure.ac: Unconditionally disable decimal float by default.
11676 * configure: Regenerate.
11678 2006-02-06 Ben Elliston <bje@au.ibm.com>
11680 * read-rtl.c (read_name): Terminate reading on EOF.
11682 2006-02-06 Ben Elliston <bje@au.ibm.com>
11684 * dfp.c (decimal_real_arithmetic): Change second argument type
11685 from int to enum tree_code. Do not always return true, but now
11686 return result of any call to decimal_do helper functions.
11687 * dfp.h (decimal_real_arithmetic): Update prototype.
11689 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11691 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11693 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11695 PR tree-opt/25251
11696 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11697 forced labels.
11699 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11701 * tree-vrp.c (cfg_loops): Removed.
11702 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11703 Use current_loops instead of cfg_loops. Pass flags to
11704 loop_optimizer_init.
11705 * cfgloopmanip.c (fix_loop_structure): Update only available
11706 information.
11707 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11708 loop_optimizer_init.
11709 * modulo-sched.c (build_loops_structure): Removed.
11710 (sms_schedule): Use loop_optimizer_init.
11711 * loop-init.c (loop_optimizer_init): Use flags to determine
11712 which properties of loops to prepare.
11713 (rtl_loop_init): Pass flags to loop_optimizer_init.
11714 * tree-ssa-sink.c (execute_sink_code): Ditto.
11715 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11716 * tree-ssa-pre.c (init_pre): Ditto.
11717 * cfgloop.h (LOOPS_NORMAL): New.
11718 (loop_optimizer_init): Declaration changed.
11720 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11722 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11723 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11724 pa/t-pa.
11725 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11726 pa/t-pa.
11727 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11728 pa/x-ada.
11729 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11730 * pa/t-pa64: Delete quadlib.c rule.
11731 * pa/x-ada: Revert last change.
11732 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11734 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11736 PR rtl-optimization/26087
11737 * rtlanal.c (canonicalize_condition): Do not cross basic block
11738 boundaries.
11740 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11742 PR debug/24444
11743 * config/ia64/ia64.c: Include debug.h.
11744 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11745 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11746 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11747 (process_epilogue, process_set, process_for_unwind_directive):
11748 Output unwind info only if requested. Add CFA info if requested.
11749 Add new arguments as needed. Adjust callers.
11750 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11751 incorrect default.
11752 (DWARF2_FRAME_INFO): Define to zero.
11753 * config/ia64/unwind-ia64.c: Remove code that compensated for
11754 the CFA offset error fixed above.
11755 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11756 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11757 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11758 -funwind-tables and -fexceptions to enable frame info.
11759 (dwarf2out_frame_init): Define initial CFA even if
11760 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11761 DWARF2_UNWIND_INFO is nonzero, not just defined.
11762 (dwarf2out_frame_finish): Output non-EH call frame info only
11763 if DWARF2_FRAME_INFO is nonzero.
11764 (convert_cfa_to_loc_list,
11765 compute_frame_pointer_to_cfa_displacement): Define even if
11766 unwind info is not supported.
11767 (gen_subprogram_die): Use the above unconditionally. Remove
11768 legacy alternate code.
11769 * toplev.c (compile_file): Compile in call to
11770 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11771 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11773 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11774 Jakub Jelinek <jakub@redhat.com>
11776 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11777 IBM extended float format long double as "g" on powerpc*-linux.
11779 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11781 PR target/25926
11782 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11783 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11785 2006-02-03 Jason Merrill <jason@redhat.com>
11787 PR c++/25979
11788 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11790 PR middle-end/25977
11791 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11792 on the return slot if it's an NRV.
11794 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11796 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11797 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11798 rewrite_use): Do not handle USE_OUTER.
11799 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11800 add_iv_outer_candidates, may_replace_final_value,
11801 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11802 (find_interesting_uses_op): Functionality of
11803 find_interesting_uses_outer_or_nonlin moved here.
11804 (find_interesting_uses_outside): Use find_interesting_uses_op.
11806 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11808 PR target/25960
11809 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11811 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11812 Ulrich Weigand <uweigand@de.ibm.com>
11814 PR target/25864
11815 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11816 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11817 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11818 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11819 and dxr fields.
11820 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11821 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11822 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11823 Define secondary reloads for TFmode moves.
11824 (constant_modes): Add TFmode.
11825 (NR_C_MODES): Set to 8.
11826 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11827 builtin define.
11828 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11829 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11830 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11831 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11832 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11833 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11834 (FPR mode macro): Add TFmode.
11835 (DSF mode macro): New.
11836 (<de>, <dee> mode attributes): Removed.
11837 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11838 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11839 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11840 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11841 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11842 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11843 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11844 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11845 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11846 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11847 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11848 "*negabs<mode>2", "sqrt<mode>2"):
11849 Changed <de> to <xde>. R constraint replaced by <Rf>.
11850 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11851 <Rf>.
11852 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11853 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11854 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11855 splitters.
11856 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11857 "extenddftf2", "extendsftf2"): New expanders.
11858 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11859 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11860 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11861 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11862 New options.
11863 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11864 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11865 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11866 __floatditf): Add a GCC_4.1.0 symbol version tag.
11867 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11868 the new options.
11870 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11872 PR target/25377
11873 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11874 Use targetm.binds_local_p instead of TREE_PUBLIC.
11876 2006-02-02 Roger Sayle <roger@eyesopen.com>
11878 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11879 on INTEGER_TYPEs to indicate that it denotes a character type.
11880 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11881 signed_char_type_node, unsigned_char_type_node and char_type_node.
11882 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11883 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11884 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11886 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11887 Daniel Berlin <dberlin@dberlin.org>
11889 * tree-tailcall.c (arg_needs_copy_p): New function.
11890 (eliminate_tail_call): Use arg_needs_copy_p.
11891 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11892 (add_virtual_phis): New function.
11894 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11896 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11897 #ignore instead of #scratch for %g7 .register directive.
11899 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11901 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11902 object files.
11904 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11906 * flow.c (calculate_global_regs_live): Assert that there aren't any
11907 EDGE_FAKE edges.
11909 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11911 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11912 what its name says.
11913 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11914 bsi_after_labels iterator.
11915 * tree-if-conv.c (find_phi_replacement_condition,
11916 replace_phi_with_cond_modify_expr): Likewise.
11917 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11918 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11920 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11922 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11924 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11926 PR 25990
11927 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11928 array after growing it.
11930 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11932 PR middle-end/24901
11933 * fold-const.c (fold_checksum_tree): Change type of buf.
11935 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11937 * reload.c (push_secondary_reload): Initialize t_icode.
11939 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11941 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11942 -msoft-float -mlong-double-128 only issue a warning, but don't
11943 swich to DFmode long double.
11945 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11947 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11948 has a constant equivalent, iterate over equivalents for arg0,
11949 calling simplify_relational_operation and if there's a result
11950 cheaper than X, apply fold_rtx and return the result.
11952 2006-02-01 Jan Hubicka <jh@suse.cz>
11954 * opts.c (no_unit_at_a_time_default): New global variable.
11955 (decode_options): Use it.
11956 * opts.h (no_unit_at_a_time_default): Declare.
11958 2006-02-01 Paul Brook <paul@codesourcery.com>
11960 * function.c (assign_parm_setup_reg): Use function argument promotion
11961 rules.
11962 * expr.c (expand_expr_real_1): Use function argument promotion rules
11963 for PARM_DECLs.
11965 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11967 * gcc.c (process_command): Change j to 'unsigned int'.
11969 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11971 PR middle-end/26001
11972 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11973 Use the corrected index for the character
11974 out of the string constant.
11976 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11978 * mode-switching.c (optimize_mode_switching): Fix size
11979 allocated for bb_info[n_entities].
11981 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11983 * gcc.c (main): Correct type that is allocated for
11984 explicit_link_files.
11986 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11988 * config/s390/s390.c (init_alignment_context): Set
11989 ALIAS_SET_MEMORY_BARRIER on the MEM.
11990 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11992 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11994 PR middle-end/25933
11995 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11996 dom_bbs pointer.
11997 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11998 call to tpa_init.
12000 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12002 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12003 * regrename.c: Ditto.
12004 * tree-ssa-loop-im.c: Ditto.
12005 * tree-dump.c: Ditto.
12006 * tree-complex.c: Ditto.
12007 * genrecog.c: Ditto.
12008 * tree-ssa-threadupdate.c: Ditto.
12009 * tracer.c: Ditto.
12010 * java/class.c: Ditto.
12011 * java/jcf-parse.c: Ditto.
12012 * java/resource.c: Ditto.
12013 * java/except.c: Ditto.
12014 * java/jvspec.c: Ditto.
12015 * java/jcf-write.c: Ditto.
12016 * java/jcf-path.c: Ditto.
12017 * java/gjavah.c: Ditto.
12018 * java/zextract.c: Ditto.
12019 * java/jcf-io.c: Ditto.
12020 * java/jcf.h: Ditto.
12021 * java/buffer.c: Ditto.
12022 * java/lang.c: Ditto.
12023 * java/parse-scan.y: Ditto.
12024 * java/lex.c: Ditto.
12025 * java/lex.h: Ditto.
12026 * cfgloopmanip.c: Ditto.
12027 * postreload-gcse.c: Ditto.
12028 * tree-ssa-loop-manip.c: Ditto.
12029 * postreload.c: Ditto.
12030 * tree-ssa-loop-ch.c: Ditto.
12031 * loop.c: Ditto.
12032 * ipa-cp.c: Ditto.
12033 * cppspec.c: Ditto.
12034 * diagnostic.c: Ditto.
12035 * final.c: Ditto.
12036 * genoutput.c: Ditto.
12037 * gcc.c: Ditto.
12038 * cfghooks.c: Ditto.
12039 * cfgloopanal.c: Ditto.
12040 * objc/objc-act.c: Ditto.
12041 * gcov.c: Ditto.
12042 * genextract.c: Ditto.
12043 * genautomata.c: Ditto.
12044 * pretty-print.c: Ditto.
12045 * genemit.c: Ditto.
12046 * cgraphunit.c: Ditto.
12047 * flow.c: Ditto.
12048 * df-scan.c: Ditto.
12049 * haifa-sched.c: Ditto.
12050 * dominance.c: Ditto.
12051 * dbxout.c: Ditto.
12052 * tree-ssa-loop-ivopts.c: Ditto.
12053 * df-core.c: Ditto.
12054 * mode-switching.c: Ditto.
12055 * modulo-sched.c: Ditto.
12056 * graph.c: Ditto.
12057 * ipa-pure-const.c: Ditto.
12058 * cse.c: Ditto.
12059 * fix-header.c: Ditto.
12060 * web.c: Ditto.
12061 * tree-stdarg.c: Ditto.
12062 * ipa-utils.c: Ditto.
12063 * loop-init.c: Ditto.
12064 * ipa-inline.c: Ditto.
12065 * cfganal.c: Ditto.
12066 * global.c: Ditto.
12067 * alloc-pool.c: Ditto.
12068 * dwarf2out.c: Ditto.
12069 * opts.c: Ditto.
12070 * genattrtab.c: Ditto.
12071 * tree-ssa-loop-ivcanon.c: Ditto.
12072 * predict.c: Ditto.
12073 * timevar.c: Ditto.
12074 * lcm.c: Ditto.
12075 * fortran/gfortranspec.c: Ditto.
12076 * regmove.c: Ditto.
12077 * local-alloc.c: Ditto.
12078 * langhooks.c: Ditto.
12079 * function.c: Ditto.
12080 * tree-vectorizer.c: Ditto.
12081 * gcse.c: Ditto.
12082 * ipa-type-escape.c: Ditto.
12083 * alias.c: Ditto.
12084 * tree-if-conv.c: Ditto.
12085 * profile.c: Ditto.
12086 * ipa.c: Ditto.
12087 * tree-data-ref.c: Ditto.
12088 * loop-unroll.c: Ditto.
12089 * treelang/treetree.c: Ditto.
12090 * calls.c: Ditto.
12091 * bt-load.c: Ditto.
12092 * ggc-common.c: Ditto.
12093 * except.c: Ditto.
12094 * coverage.c: Ditto.
12095 * cselib.c: Ditto.
12096 * tree-cfgcleanup.c: Ditto.
12097 * tree-ssa-pre.c: Ditto.
12098 * cfgcleanup.c: Ditto.
12099 * loop-invariant.c: Ditto.
12100 * loop-iv.c: Ditto.
12101 * ipa-prop.c: Ditto.
12102 * print-tree.c: Ditto.
12103 * conflict.c: Ditto.
12104 * ggc-page.c: Ditto.
12105 * sched-deps.c: Ditto.
12106 * regclass.c: Ditto.
12107 * tree-object-size.c: Ditto.
12108 * combine.c: Ditto.
12109 * bb-reorder.c: Ditto.
12110 * resource.c: Ditto.
12111 * var-tracking.c: Ditto.
12112 * cfgloop.c: Ditto.
12113 * df-problems.c: Ditto.
12114 * reg-stack.c: Ditto.
12115 * tlink.c: Ditto.
12116 * gccspec.c: Ditto.
12117 * sched-rgn.c: Ditto.
12118 * tree-ssa-structalias.c: Ditto.
12119 * tree-ssa-reassoc.c: Ditto.
12120 * config/darwin-c.c: Ditto.
12121 * config/darwin.c: Ditto.
12122 * config/arm/arm.c: Ditto.
12123 * cfgrtl.c: Ditto.
12124 * collect2.c: Ditto.
12125 * reload1.c: Ditto.
12127 2006-01-31 Nicolas Pitre <nico@cam.org>
12129 * arm.md (smaxsi3): Make aware of smax_m1.
12130 (smax_m1): New.
12132 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12134 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12136 2006-01-31 Richard Guenther <rguenther@suse.de>
12138 * doc/invoke.texi (-msselibm): Document.
12139 * target.h (expand_library_builtin): New target hook.
12140 * builtins.c (expand_builtin): Use expand_library_builtin.
12141 (default_expand_library_builtin): New function.
12142 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12143 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12144 (link_gcc_math_spec): Declare.
12145 (static_specs): Add link_gcc_math_spec.
12146 * expr.h (default_expand_library_builtin): Declare.
12147 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12148 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12149 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12150 * config/i386/i386.opt (msselibm): New target option.
12151 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12152 (ix86_init_sse_abi_builtins): New function.
12153 (ix86_expand_library_builtin): Likewise.
12154 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12155 (override_options): Handle error conditions wrt -msselibm.
12156 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12157 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12158 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12159 builtins.
12161 2006-01-31 Richard Guenther <rguenther@suse.de>
12162 Paolo Bonzini <bonzini@gnu.org>
12164 * doc/install.texi (--disable-libgcc-math): Document.
12166 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12168 * expr.h (expand_normal): new inline function.
12169 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12170 * dojump.c: use it.
12171 * dwarf2out.c: use it.
12172 * expr.c: use it.
12173 * calls.c: use it.
12174 * expmed.c: use it.
12175 * except.c: use it.
12176 * config/sparc/sparc.c: use it.
12177 * config/i386/i386.c: use it.
12178 * config/rs6000/rs6000.c: use it.
12179 * config/arm/arm.c: use it.
12180 * config/mips/mips.c: use it.
12181 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12183 2006-01-30 Roger Sayle <roger@eyesopen.com>
12185 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12186 argv to the appropriate type.
12188 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12190 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12191 unreachable code.
12193 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12195 PR target/26018
12196 * config/s390/s390.c (struct machine_function): New flag
12197 decomposed_literal_pool_addresses_ok_p.
12198 (s390_reorg): Set it before final stage of literal pool transforms.
12199 (s390_decompose_address): Only accept displacements of the form
12200 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12202 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12204 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12205 the comparison routine return.
12207 2006-01-30 Michael Matz <matz@suse.de>
12209 * global.c (find_reg): Only evict for global regs.
12210 Take n_refs into account and dump more info.
12212 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12214 PR target/14798:
12215 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12216 (pragma_trap, pragma_nosave_low_regs): Likewise.
12217 (current_function_anonymous_args): Likewise.
12218 (sh_deferred_function_attributes): New variable.
12219 (sh_deferred_function_attributes_tail): Likewise.
12220 (print_operand): For '@', look up trap_exit attribute.
12221 (calc_live_regs): Look up trapa_handler attribute. For trapa
12222 handlers, save/restore fpscr, but don't do any other
12223 interrupt-specific saves.
12224 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12225 Fix check for partially saved registers to check for SHmedia.
12226 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12227 (sh_output_function_epilogue): Don't clear any of the removed
12228 variables.
12229 (sh_insert_attributes): Don't check pragma_interrupt.
12230 Insert deferred attributes. Check that interrupt attribute is
12231 present for other attributes that require its presence.
12232 (sh_attribute_table): Add new attributes trapa_handler and
12233 nosave_low_regs.
12234 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12235 Don't check for pragma_interrupt. Don't store argument.
12236 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12237 (sh_deferred_function_attributes): Declare.
12238 (sh_deferred_function_attributes_tail): Likewise.
12239 * sh.md (sp_switch_1): Add operand. Change generator caller.
12240 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12241 (*return_i): Don't use when trap_exit attribute is in effect.
12242 (*return_trapa): New insn pattern.
12243 * sh-c.c: New file.
12244 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12245 setting c_target_objs and cxx_target_objs.
12246 * t-sh: Add rule for sh-c.o.
12248 2006-01-30 Richard Guenther <rguenther@suse.de>
12250 PR c++/23372
12251 * gimplify.c (gimplify_target_expr): Handle easy cases
12252 without creating a temporary.
12254 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12256 * vec.h (safe_grow): Remove duplicated line.
12258 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12260 PR 25874
12261 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12262 (expand_omp): ... here.
12263 (expand_omp_parallel): Only remove barriers for combined
12264 parallel+workshare constructs.
12266 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12268 Revert
12270 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12271 * tree.c (build_qualified_type): Chain the new type to the original
12272 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12273 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12274 (build_pointer_type_for_mode): Only return unqualified types.
12275 (build_reference_type_for_mode): Likewise.
12277 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12279 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12280 * Makefile.in (CXX_COMPAT_WARN): Define.
12281 * configure: Regenerate.
12283 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12285 PR tree-opt/25911
12286 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12287 to an if check.
12289 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12291 * toplev.c: Fix thinko.
12293 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12294 Marcin Dalecki <martin@dalecki.de>
12296 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12297 (push_srcloc): Use XNEW.
12298 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12300 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12302 * df-core.c (df_set_blocks): Deleted all variable.
12304 2006-01-28 Ian Lance Taylor <ian@airs.com>
12306 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12307 cgraph_output_pending_asms.
12309 2006-01-28 Zack Weinberg <zackw@panix.com>
12311 * c.opt: Add -W(no-)overlength-strings.
12312 * doc/invoke.texi: Document it.
12313 * c-opts.c (c_common_handle_option): -pedantic implies
12314 -Woverlength-strings, if not explicitly disabled already.
12315 (c_common_post_options): -Woverlength-strings defaults to off, and
12316 is always off for C++.
12317 * c-common.c (fix_string_type): Issue warning about strings longer
12318 than is portable only if warn_overlength_strings. Rearrange code
12319 a little for clarity.
12320 * configure.in: Check for -Wno-overlength-strings as well before
12321 enabling -pedantic in stage 1.
12322 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12323 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12325 * genconditions.c (write_header, write_one_condition)
12326 (write_conditions, write_writer): Consolidate very long strings
12327 that were broken up to fit in C89 portable limit. Don't use
12328 printf when fputs will do.
12330 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12332 * combine.c (simplify_comparison <AND>): Check
12333 TRULY_NOOP_TRUNCATION before start using a subreg.
12335 * config/mips/mips.md (*branch_zero<mode>,
12336 *branch_zero<mode>_inverted, *branch_equality<mode>,
12337 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12338 Remove mode check from comparisons.
12340 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12342 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12344 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12346 * expmed.c (const_mult_add_overflow_p): Remove.
12347 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12349 * recog.c (validate_replace_rtx_subexp): Remove.
12350 * recog.h: Remove the prototype for
12351 validate_replace_rtx_subexp.
12353 * integrate.h: Remove the prototype for
12354 copy_decl_for_inlining.
12355 * rtl.h: Remove the prototype for mark_constant_function.
12356 * tree-vectorizer.h: Remove the prototype for
12357 vect_strip_conversion.
12359 * modulo-sched.c (create_partial_schedule,
12360 free_partial_schedule, reset_partial_schedule): Make them
12361 static.
12363 * hooks.c (hook_bool_rtx_int_false): Remove.
12364 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12366 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12368 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12369 and -mlong-double-128 are incompatible.
12370 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12371 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12372 (TARGET_LIBGCC2_CFLAGS): Define.
12373 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12374 (TARGET_LIBGCC2_CFLAGS): Same.
12375 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12377 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12379 PR c/19606.
12380 * c-typeck.c (build_binary_op): Perform implicit casts of
12381 operands before shortening them.
12383 * cfgloopmanip.c (split_loop_bb): Remove.
12384 * cfgloop.h: Remove the prototype for split_loop_bb.
12386 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12387 * cfgloop.h: Remove the prototype for
12388 flow_loop_outside_edge_p.
12390 * emit-rtl.c (init_virtual_regs): Make it static.
12391 * function.h: Remove the prototype for init_virtual_regs.
12393 * recog.c (peephole2_optimize): Make it static.
12394 * recog.h: Remove the prototype for peephole2_optimize.
12396 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12398 * df-scan.c (df_record_entry_block_defs): Check if
12399 INCOMING_RETURN_ADDR_RTX is defined.
12401 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12402 Kenneth Zadeck <zadeck@naturalbridge.com>
12404 PR rtl-optimization/24762
12405 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12406 * targhooks.c (hook_void_bitmap): New hook prototype.
12407 * targhoohs.h (hook_void_bitmap): Ditto.
12408 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12409 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12410 * target.h (live_on_entry): New function pointer.
12411 * df-scan.c (df_all_hard_regs): Removed.
12412 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12413 (df_scan_free_internal): Added df->entry_block_defs.
12414 (df_scan_alloc): Ditto.
12415 (df_scan_dump): Ditto.
12416 (df_uses_record): Plumbed flag field properly thru calls.
12417 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12418 This part fixes PR24762.
12419 (df_bb_refs_record): Added code to make the frame and arg
12420 pointers live in EH blocks.
12421 (df_refs_record): Added call to df_record_entry_block_defs.
12422 (df_record_entry_block_defs): New function.
12423 * df-core.c: Added comments to describe new artifical defs.
12424 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12425 (entry_block_defs): New field in struct df.
12426 (df_all_hard_regs): Deleted.
12427 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12428 * df-problems.c (df_ru_bb_local_compute_process_def):
12429 Added code to handle artifical defs in the entry to a function.
12430 (df_ru_bb_local_compute): Ditto.
12431 (df_rd_bb_local_compute_process_def): Ditto.
12432 (df_rd_bb_local_compute): Ditto.
12433 (df_lr_bb_local_compute): Ditto.
12434 (df_ur_bb_local_compute): Ditto.
12435 (df_urec_bb_local_compute): Ditto.
12436 (df_chain_create_bb): Ditto.
12437 (df_ur_local_finalize): Removed entry.
12438 (df_urec_init): Ditto.
12439 (df_urec_local_finalize): Ditto.
12440 (df_ri_bb_compute): Added detection of last use of pseudos.
12441 * Makefile.in (df-scan.o): Updated dependencies.
12442 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12443 * config/mips/mips.c (mips_set_live_on_entry): Added.
12444 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12445 for target hook.
12446 * dce.c (marked_insn_p): Added code to handle artifical defs.
12448 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12450 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12451 intrinsic.
12452 (_mm_cvtsi128_si64): Likewise.
12453 (_mm_cvtsd_si64): Likewise.
12454 (_mm_cvttsd_si64): Likewise.
12455 (_mm_cvtsi64_sd): Likewise.
12456 (_mm_cvtsi64_si128): Likewise.
12457 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12458 (_mm_cvtsi64_m64): Likewise.
12459 (_m_to_int64): Likewise.
12460 (_mm_cvtm64_si64): Likewise.
12461 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12462 (_mm_cvttss_si64): Likewise.
12463 (_mm_cvtsi64_ss): Likewise.
12464 (_mm_cvtss_f32): Likewise.
12466 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12468 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12469 for pragma redefine_extname.
12471 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12473 PR target/25864
12474 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12475 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12476 -mno-minimal-toc to previous content.
12477 (bispecs): Remove goal.
12478 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12479 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12480 compatibility aliases on powerpc-*-*gnu*.
12481 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12482 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12483 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12484 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12485 (ldblspecs): New goal.
12486 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12487 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12488 _df_to_tf.
12489 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12490 L_sf_to_tf or L_df_to_tf is defined.
12492 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12493 Alan Modra <amodra@bigpond.net.au>
12495 PR target/25864
12496 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12497 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12498 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12499 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12500 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12501 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12502 (rs6000_override_options): Initialize rs6000_ieeequad.
12503 Initialize TFmode format to ibm_extended_format if not
12504 TARGET_IEEEQUAD.
12505 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12506 ieeelongdouble.
12507 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12508 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12509 (function_arg_advance): IBM long double passed in two FPRs, not
12510 split.
12511 (function_arg): IBM long double passed in FPRs.
12512 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12513 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12514 Only multireg GPR aligned.
12515 (rs6000_init_libfuncs): Enable IBM long double functions if not
12516 IEEEQUAD.
12517 (rs6000_generate_compare): Use IBM long double compare if not
12518 TARGET_IEEEQUAD.
12519 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12520 (TARGET_IEEEQUAD): Define.
12521 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12522 not TARGET_IEEEQUAD.
12523 * config/rs6000/rs6000.md: Enable TFmode patterns if
12524 !TARGET_IEEEQUAD.
12525 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12526 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12527 and -mlong-double-128 are incompatible.
12528 * doc/invoke.texi (-mabi): Collect options together. Add
12529 ibmlongdouble and ieeelongdouble.
12531 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12533 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12534 opaque type.
12535 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12536 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12537 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12538 * rtl.h (rtunion_def): Remove rt_ptr.
12539 (X0PTR): Delete.
12540 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12541 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12542 * config/i386/winnt.c (i386_pe_mark_dllexport)
12543 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12545 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12547 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12549 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12551 PR other/24829
12552 PR target/24831
12553 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12554 pthread_key_delete. From John David Anglin. gthrw-ify
12555 pthread_getunique_np only if it it's not a macro. Delete
12556 UNUSED macro.
12557 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12558 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12559 __gthread_objc_condition_signal, __gthread_key_delete): Add
12560 "__attribute__ ((__unused__))" to unused arguments.
12561 (__gthread_recursive_mutex_init_function): Add missing return.
12562 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12563 gthr-posix95.h: Use macro-based approach for name redirection
12564 on targets missing weakref.
12566 2006-01-26 Zack Weinberg <zackw@panix.com>
12568 * genconditions.c (write_header): In generated code, #ifdef out
12569 all includes and fake declarations, except includes of bconfig.h
12570 and system.h, unless GCC_VERSION >= 3001. Do not include
12571 gensupport.h in any case.
12572 (write_conditions): Generate a definition of struct c_test. Add
12573 a comment to the generated #endif.
12574 (write_one_condition): Escape backslashes in string too.
12575 (write_writer): Generated code must escape backslashes and quote
12576 marks (but not newlines) in the strings it writes.
12577 * Makefile.in (build/gencondmd.o): Update dependencies.
12579 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12581 PR target/25961
12582 * Makefile.in (insn-automata.o): Add header file dependencies.
12583 * genautomata.c: Add includes.
12585 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12587 PR target/25961
12588 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12590 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12592 * configure.ac: Expect target tools paths to be passed from the toplevel
12593 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12594 AS_SET_VAR_IF.
12595 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12597 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12599 PR c/25892
12600 * c.opt (Wpointer-sign): Init to -1.
12601 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12602 OPT_pedantic, to 0 otherwise.
12603 * doc/invoke.texi: Update.
12605 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12607 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12608 constants provided by 80387 instructions in the destination mode.
12610 2006-01-26 Richard Guenther <rguenther@suse.de>
12611 Andrew Pinski <pinskia@physics.uc.edu>
12613 PR tree-opt/21470
12614 partial PR tree-opt/17064
12615 * tree-ssa-structalias.c (intra_create_variable_infos):
12616 Create heap variables for incoming parameters if
12617 flag_argument_noalias > 1.
12618 (find_what_p_points_to): Look through default defs of
12619 parameter decls.
12621 2006-01-26 Jeff Law <law@redhat.com>
12623 PR ada/25900
12624 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12625 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12626 within the VR_RANGE, use the VR_RANGE as the result, not the
12627 VR_ANTI_RANGE.
12628 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12629 bounds for the type.
12631 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12633 * tree-ssa-alias.c (maybe_create_global_var): Change
12634 subvar walking to an assertion that we don't have subvar'd variables.
12636 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12638 PR C/25861
12639 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12640 Use a new variable, inner. PARM_DECLs are always non-weak.
12642 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12644 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12645 --disable-checking.
12647 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12649 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12651 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12653 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12654 (smax_insn, smin_insn, smax_0, smin_0): New.
12656 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12658 PR target/25947
12659 * config/cris/cris.c (cris_order_for_addsi3): New function.
12660 * config/cris/cris-protos.h: Prototype it.
12661 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12662 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12663 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12664 (split for "op.S1 [rx=rx+i],ry (swapped)")
12665 (split for "op(s|u).S1 [rx=rx+i],ry")
12666 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12667 Apply cris_order_for_addsi3 when generating addsi3 insns.
12669 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12671 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12672 (TREE_BLOCK): Add call to EXPR_CHECK.
12674 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12676 PR 25886
12677 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12678 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12679 (dump_omp_clauses): ... here.
12680 (dump_generic_node): Handle OMP_CLAUSE.
12681 * tree.c (omp_clause_num_ops): New.
12682 (omp_clause_code_name): New.
12683 (tree_code_size): Handle OMP_CLAUSE.
12684 (tree_size): Likewise.
12685 (make_node): Document handling of OMP_CLAUSE.
12686 (tree_node_structure): Handle OMP_CLAUSE.
12687 (omp_clause_check_failed): New.
12688 (omp_clause_range_check_failed): New.
12689 (omp_clause_operand_check_failed): New.
12690 (build_omp_clause): New.
12691 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12692 * tree.h (enum omp_clause_code): Declare.
12693 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12694 (OMP_CLAUSE_RANGE_CHECK): Define.
12695 (OMP_CLAUSE_ELT_CHECK): Define.
12696 (omp_clause_check_failed): Declare.
12697 (omp_clause_operand_check_failed): Declare.
12698 (omp_clause_range_check_failed): Declare.
12699 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12700 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12701 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12702 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12703 (OMP_CLAUSE_IF_EXPR): Likewise.
12704 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12705 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12706 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12707 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12708 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12709 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12710 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12711 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12712 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12713 (OMP_CLAUSE_CODE): Define.
12714 (OMP_CLAUSE_SET_CODE): Define.
12715 (OMP_CLAUSE_CODE): Define.
12716 (OMP_CLAUSE_OPERAND): Define.
12717 (struct tree_omp_clause): Declare.
12718 (union tree_node): Add field 'omp_clause'.
12719 * treestruct.def (TS_OMP_CLAUSE): Define.
12720 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12721 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12722 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12723 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12724 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12725 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12726 (OMP_CLAUSE): Define.
12727 * print-tree.c (print_node): Handle OMP_CLAUSE.
12728 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12729 * c-typeck.c: Likewise.
12730 * gimplify.c: Likewise.
12731 * c-omp.c: Likewise.
12732 * tree-nested.c: Likewise.
12733 * tree-inline.c: Likewise.
12734 * c-parser.c: Likewise.
12735 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12736 clauses.
12738 2006-01-25 Roger Sayle <roger@eyesopen.com>
12740 PR rtl-optimization/25703
12741 * combine.c (try_combine): Handle zero_extract and strict_low_part
12742 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12744 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12746 * global.c: Fix comment typos.
12748 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12750 PR target/25758
12751 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12752 Use output_addr_const instead of assemble_name.
12754 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12756 * Makefile.in (sched-vis.o): Update dependencies.
12757 * haifa-sched.c (sched_finish): Clear current_sched_info.
12758 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12759 (dump_flow_info): Call it.
12760 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12761 a slim RTL dump.
12762 * basic-block.h (dump_bb_info): Declare.
12763 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12764 option, and apply options only for dump files whose TDF_RTL,
12765 TDF_TREE, or TDF_IPA bits match.
12766 * rtl.h: Declare new functions exported from sched-vis.c.
12767 * sched-vis.c: Enable also if scheduling is not used.
12768 (print_value): Print the mode of registers if not inside scheduling.
12769 (print_insn): Make it work outside the scheduler. Beautify the output
12770 a bit.
12771 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12773 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12775 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12776 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12777 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12778 depending on the value of CONSTANT_POOL_ADDRESS_P.
12779 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12780 SYMBOL_REF_DECL.
12781 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12782 rather than SYMBOL_REF_DECL.
12783 (rtx_constant_pool): Remove const_rtx_sym_htab.
12784 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12785 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12786 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12787 Remove handling of const_rtx_sym_htab.
12788 (find_pool_constant): Delete.
12789 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12790 rather than find_pool_constant.
12791 (get_pool_constant_for_function): Delete.
12792 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12793 find_pool_constant.
12794 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12795 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12796 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12797 (SYMBOL_REF_CONSTANT): New macro.
12798 (get_pool_constant_for_function): Delete.
12799 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12800 rather than SYMBOL_REF_DECL.
12801 (i386_pe_mark_dllimport): Likewise.
12802 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12803 rather than SYMBOL_REF_DECL.
12804 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12805 (machopic_indirect_call_target): Likewise.
12807 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12809 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12811 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12813 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12815 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12817 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12819 2006-01-24 David Daney <ddaney@avtrex.com>
12821 PR java/25816
12822 * configure.ac (enable_tls): New enable option.
12823 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12824 * configure: Regenerate.
12825 * doc/install.texi (--enable-tls): Document new option.
12826 (--disable-tls): Ditto.
12828 2006-01-24 Richard Henderson <rth@redehat.com>
12830 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12831 * alias.c (true_dependence): Respect it.
12832 (canon_true_dependence, write_dependence_p): Likewise.
12833 * builtins.c (get_builtin_sync_mem): Set it.
12835 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12837 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12838 efficient way.
12840 2006-01-24 DJ Delorie <dj@redhat.com>
12842 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12843 for storing constants in single-bit bitfields.
12845 2006-01-25 Ben Elliston <bje@au.ibm.com>
12847 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12849 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12851 PR tree-opt/25860
12852 * tree-ssa-pre.c (phi_translate): Return NULL
12853 for AGGREGATE_TYPE's.
12855 2006-01-24 Zack Weinberg <zackw@panix.com>
12857 * genautomata.c (process_state_for_insn_equiv_partition):
12858 Use xcalloc for insn_arcs_array.
12859 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12860 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12862 2006-01-24 Richard Henderson <rth@redhat.com>
12864 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12865 update all callers.
12867 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12869 PR rtl-optimization/25890
12870 PR rtl-optimization/25905
12871 * combine.c (expand_compound_operation, expand_field_assignment):
12872 Fail if the bitfield's final position is out of bounds.
12874 2006-01-24 Ian Lance Taylor <ian@airs.com>
12876 PR middle-end/25930
12877 * cgraphunit.c (cgraph_output_in_order): Don't clear
12878 cgraph_asm_nodes until after asm strings have been output.
12880 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12882 * fix-header.c (read_scan_file): Add new parameter imultilib when
12883 calling register_include_chains.
12885 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12887 * omp-low.c: Update documentation.
12889 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12890 Daniel Berlin <dberlin@dberlin.org>
12892 PR tree-opt/25315
12893 PR tree-opt/25857
12894 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12895 return from the function.
12897 2006-01-22 Zack Weinberg <zackw@panix.com>
12899 * rtl.def (match_code): Add second argument.
12900 * genpreds.c (write_extract_subexp): New function.
12901 (write_match_code): Add path argument. Use write_extract_subexp.
12902 (write_predicate_expr): Pass path to write_match_code.
12903 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12904 not perform a mode test.
12905 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12906 a subexpression does not constrain the top-level code set.
12907 * read-rtl.c (read_rtx_variadic): New function.
12908 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12909 * doc/md.texi: Document new notation.
12910 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12911 (cmpsi_operand): ... here, using new notation.
12913 2006-01-22 Zack Weinberg <zackw@panix.com>
12915 * varray.c: Remove GENERATOR_FILE #ifdefs.
12917 2006-01-22 Zack Weinberg <zackw@panix.com>
12919 * genautomata.c (output_reserved_units_table): Emit nothing if
12920 description->query_units_num is zero. Remove extra blank line.
12921 (output_cpu_unit_reservation_p): Short circuit
12922 if description->query_units_num is zero.
12924 2006-01-22 Zack Weinberg <zackw@panix.com>
12926 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12927 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12928 nor any of the random handful of variables that used to be necessary
12929 when this program was linked with rtlanal.o. Prune set of forward
12930 function declarations.
12931 (struct attr_desc): Remove static_p field.
12932 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12933 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12934 (attr_string): Do not read the character one past the length of
12935 the string.
12936 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12937 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12938 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12939 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12940 (make_automaton_attrs): New.
12941 (main): Do not call into genautomata. Call local gen_bypass
12942 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12943 Remove special case for insn_alts.
12944 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12945 varray.h (leftover from previous change). Prune set of forward
12946 function declarations. Remove state_alts fields from all
12947 structures. Remove state_alts_table from struct automaton.
12948 Make everything except main static. Do not maintain num_dfa_decls.
12949 Do not maintain state_alts fields of various structures.
12950 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12951 (add_arc): Remove state_alts argument. All callers updated.
12952 (output_reserved_units_table): Emit #ifdef here...
12953 (output_tables): ...not here. Don't generate state_alts tables.
12954 (expand_automata): Don't generate attributes.
12955 (write_automata): Don't generate state_alts functions.
12956 (main): New function.
12957 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12958 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12959 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12960 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12961 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12962 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12963 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12964 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12965 Delete.
12966 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12967 * genattrtab.h: Delete file.
12968 * Makefile.in (OBJS-common): Add insn-automata.o.
12969 (insn-automata.o): New rule.
12970 (simple_generated_c): Add insn-automata.c.
12971 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12972 (genprogmd): Add automata.
12973 (build/genattrtab): Needs no extra objects nor libraries.
12974 (build/genautomata): Needs build/vec.o and -lm.
12976 2006-01-22 Zack Weinberg <zackw@panix.com>
12978 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12979 (output_dfa_max_issue_rate, locked_states_num): Delete.
12980 (struct automaton): Add locked_states field.
12981 (output_dead_lock_vect): Save number of locked states in
12982 automaton->locked_states. If it is zero, don't print anything.
12983 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12984 (output_internal_dead_lock_func): Only test the dead_lock_vect
12985 for automata that have locked states.
12986 (output_statistics): Always print the number of locked states for
12987 each automaton. Calculate total number of locked states here.
12988 (write_automata): Don't call output_dfa_max_issue_rate.
12989 * genattrtab.c: Define length_unit_log as a const variable.
12990 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12991 max_insn_queue_index const.
12992 * final.c (length_unit_log): Declare const.
12993 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12995 2006-01-22 Zack Weinberg <zackw@panix.com>
12997 * genautomata.c: Include vec.h, not varray.h.
12998 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12999 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13000 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13001 VEC_* macros operating on appropriately typed vectors, or to
13002 malloced arrays when the size is known in advance. Const-ify
13003 many char* variables and function arguments. No functional changes.
13004 * Makefile.in (build/varray.o): Delete rule.
13005 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13006 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13008 2006-01-22 Zack Weinberg <zackw@panix.com>
13010 * gensupport.c: Define get_insn_name and record_insn_name here.
13011 (read_md_rtx): Call record_insn_name as appropriate.
13012 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13013 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13014 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13015 record_insn_name.
13016 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13017 (BUILD_VARRAY): Delete.
13018 (genprognormal): Rename genprogmd. Fold in all programs from
13019 genprognoprint; also attrtab.
13020 (build/genattrtab): Just mention genautomata.o and varray.o.
13021 Reorganize a bit, add comments to make the categories clearer.
13023 2006-01-22 Zack Weinberg <zackw@panix.com>
13025 * genconditions.c (condition_table, add_condition): Delete.
13026 (write_conditions): Don't emit n_insn_conditions nor
13027 insn_elision_unavailable. Issue the gcc version #ifdef here,
13028 inside the table, with no #else clause ...
13029 (write_header): ...not here.
13030 (write_writer): New function.
13031 (main): Don't initialize condition_table. Use add_c_test.
13032 Call write_writer.
13033 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13034 files on the command line.
13035 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13036 Return -1 if there is no entry in the table, don't abort.
13037 (add_c_test, traverse_c_tests): New functions.
13038 * gensupport.h (insn_elision_unavailable, insn_conditions)
13039 (n_insn_conditions): Delete declarations.
13040 (add_c_test, traverse_c_tests): Declare.
13041 * read-rtl.c: Include gensupport.h.
13042 (read_conditions): New function.
13043 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13044 (read_rtx_1): If we get EOF when we were looking for an initial
13045 open paren, return 0. Call read_conditions when appropriate.
13046 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13047 dummy-conditions.o. Eliminate references to insn-conditions.o,
13048 or change them to build/gencondmd.o, as appropriate. Remove
13049 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13050 from $(simple_generated_c). For all files remaining in those
13051 two lists, add insn-conditions.md to the generator command line.
13052 Give insn-constants.h/s-constants their own rules. Add rules
13053 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13054 (build/read-rtl.o): Depend on gensupport.h.
13055 (genprognormal): Include preds.
13056 (genprogearly): Rename genprognoprint; only difference is now that
13057 they don't link with $(BUILD_PRINT).
13058 * dummy-conditions.c: Delete.
13060 2006-01-22 Zack Weinberg <zackw@panix.com>
13062 * genextract.c: Don't include insn-config.h. Do include vec.h.
13063 Declare vectors of int, char, and locstr.
13064 (locstr): New typedef.
13065 (struct extraction): Make all array fields into bare pointers.
13066 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13067 (insn_code_number): Delete.
13068 (accum_extract): New struct.
13069 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13070 (gen_insn): Take insn_code_number as an argument. Use an
13071 accum_extract structure instead of loading data directly into
13072 a struct extraction, and having to know how big it might get.
13073 (walk_rtx): Operate entirely on an accum_extract structure.
13074 (print_path): Avoid unnecessary use of printf.
13075 (print_header): New function, split out of main. Distinguish
13076 more carefully between an unrecognizable insn and an insn that
13077 has the code number of a define_expand.
13078 (main): Pass insn_code_number to gen_insn. Call print_header
13079 only after parsing. Avoid unnecessary use of printf.
13080 * Makefile.in (build/vec.o): New rule.
13081 (build/genextract): Depend on build/vec.o.
13082 (build/genextract.o): Don't depend on insn-config.h.
13084 2006-01-22 Zack Weinberg <zackw@panix.com>
13086 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13087 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13088 practical. Eliminate per-generator-program link rules.
13090 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13092 PR middle-end/24437
13093 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13094 with a call expr to ...
13095 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13097 2006-01-23 Richard Guenther <rguenther@suse.de>
13099 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13100 before make_edge with conditional EDGE_TRUE_VALUE.
13102 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13103 Jan Hubicka <jh@suse.cz>
13104 Richard Guenther <rguenther@suse.de>
13106 PR rtl-optimization/25654
13107 * cfgexpand.c (aggregate_contains_union_type): New function.
13108 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13109 for structure variables that contain a union type.
13111 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13113 * gengtype.c (new_structure): Return the structure.
13114 (create_option): Add an extra "next" argument.
13115 (create_field): New function.
13116 (adjust_field_rtx_def): Use create_option and create_field.
13117 Remove a now-unnecessary call to find_structure.
13118 (adjust_field_tree_def): Likewise.
13119 (note_yacc_type): Remove an unnecessary call to find_structure.
13120 * gengtype.h (new_structure): Return the structure.
13121 (create_option): Add an extra argument.
13122 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13123 (option): Adjust calls to create_option.
13125 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13127 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13129 2006-01-22 Paul Brook <paul@codesourcery.com>
13130 Peter Barada <peter@the-baradas.com>
13132 * config/m68k/m68k.md: Add Coldfire FPU support.
13133 Define FP mode macro and associated attributes.
13134 Use it for float mode patterns.
13135 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13136 (LIBCALL_VALUE): Use m68k_libcall_value.
13137 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13138 (m68k_function_value): Ditto.
13139 (emit_move_sequence): Ditto.
13140 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13141 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13142 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13143 (MULTILIB_EXCEPTIONS): Ditto.
13144 * config/m68k/m68k.opt: Add mcfv4e.
13145 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13146 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13147 (m68k_output_function_prologue): Save ColdFire FPU registers.
13148 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13149 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13150 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13151 ColdFire FPU registers.
13152 (m68k_libcall_value, m68k_function_value): New functions.
13153 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13154 (LIBCALL_VALUE): Use m68k_libcall_value.
13155 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13156 (MASK_COLDFIRE): Add MASK_CFV4E.
13157 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13158 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13159 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13160 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13161 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13162 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13163 * doc/invoke.tex: Document -mcfv4e on m68k.
13165 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13167 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13168 URL.
13170 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13172 PR c++/16190
13173 * c-opts.c (c_common_handle_option): Don't include
13174 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13175 * doc/invoke.texi (C++ Dialect Options): Document that
13176 -Wnon-virtual-dtor is no longer included in -Wall.
13178 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13180 * gcov.c (print_version), gcov-dump.c (print_version),
13181 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13182 dates.
13184 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13186 * df-scan.c (problem_SCAN): Added NULL reset function.
13187 (df_scan_reset_blocks): Added code to call reset block function
13188 (df_bb_refs_delete) Fixed comment.
13189 (df_insn_refs_delete): Made tolerant of deleting non existent info
13190 for dataflow problems that need to be reset.
13191 * df-core.c (df_set_blocks): Ditto.
13192 * df.h (struct df_problem): Added reset_fun.
13193 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13194 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13195 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13196 functions to clear out all references to def-use or use-def chains.
13198 2006-01-21 Ben Elliston <bje@au.ibm.com>
13200 * varasm.c (assemble_real): Initialise data array.
13202 2006-01-20 Paul Brook <paul@codesourcery.com>
13204 Merge from csl-arm-branch.
13205 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13206 * config/arm/arm.md (movdi): Force operands[1] to a register
13207 if we have a non-register source.
13208 (*arm_movdi, *movdf_soft_insn): Require that one of the
13209 operands be a register.
13210 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13211 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13213 2006-01-20 DJ Delorie <dj@redhat.com>
13215 * varasm.c (initializer_constant_valid_p): Allow pointers
13216 initialized from integer constants of lesser precision.
13217 (output_constant): Allow non-int-sized pointer modes to be
13218 initialized from integer constants.
13220 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13222 PR libstdc++/25524
13223 * cppdefault.h (struct default_include): Add multilib flag.
13224 * cppdefault.c (cpp_include_defaults): Set it.
13225 * c.opt (-imultilib): New option.
13226 * c-opts.c (imultilib): New.
13227 (c_common_handle_option): Handle -imultilib.
13228 (c_common_post_options): Likewise.
13229 * c-incpath.c (add_standard_paths, register_include_chains):
13230 Likewise.
13231 * c-incpath.h (register_include_chains): Add extra parameter.
13232 * gcc.c (do_spec_1): Generate -imultilib option.
13233 (The Specs Language): Update %I description.
13234 (process_command): Update copyright notice.
13235 * doc/cppopts.texi (-imultilib): Document.
13236 * doc/invoke.texi (-imultilib): Include in option summary.
13237 (%I): Update specs documentation.
13239 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13241 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13243 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13245 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13246 label numbers.
13248 2006-01-20 Richard Guenther <rguenther@suse.de>
13249 Steven Bosscher <stevenb.gcc@gmail.com>
13251 PR rtl-optimization/24626
13252 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13253 EDGE_TRUE_VALUE if in RTL mode.
13255 Revert
13256 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13257 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13259 2006-01-20 Dirk Mueller <dmueller@suse.com>
13261 PR c++/5520
13262 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13263 instead of a special NOP marker.
13264 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13265 NOP marker handling.
13266 * c-common.h (empty_body_warning): Add forward declaration.
13267 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13268 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13270 2006-01-20 Paul Brook <paul@codesourcery.com>
13272 * Makefile.in (lang_checks): Keep going if mkdir fails.
13274 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13276 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13277 be able to clean out basic block when not necessary.
13278 (df_scan_free): Fixed to properly delete information if df is
13279 unused before calling df_finish.
13280 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13281 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13282 or comment typos.
13283 (df_bb_refs_delete): New function.
13284 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13285 * df-core.c (df_set_blocks): Added code to properly clean out
13286 unused blocks if they are not part of the blocks to consider.
13287 Added additional null check.
13288 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13289 be able to clean out basic block when not necessary
13290 * df.h (df_free_bb_function): Ditto.
13291 (df_bb_refs_delete): New function.
13292 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13293 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13294 basic block parameter to be able to clean out basic block when not
13295 necessary.
13296 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13297 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13298 Fixed to properly delete information if df is unused before
13299 calling df_finish.
13301 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13303 PR rtl-optimization/25799
13304 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13305 Corrected confluence operator to remove bits from op2 before oring
13306 with op1 rather than removing bits from op1.
13307 (df_ru_transfer_function): Corrected test on wrong bitmap which
13308 caused infinite loop. Both of these problems were introduced in
13309 the dataflow rewrite.
13311 2006-01-19 DJ Delorie <dj@redhat.com>
13313 * reload1.c (find_reload_regs): Note the details of reload
13314 failures in the dump file.
13315 (spill_failure): Likewise.
13317 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13319 * loop-iv.c: Include df.h and hashtab.h.
13320 (enum iv_grd_result): New enum.
13321 (DF_REF_IV, DF_REF_IV_SET): New macros.
13322 (struct biv_entry): New.
13323 (df, bivs): New global variables.
13324 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13325 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13326 Removed.
13327 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13328 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13329 analyzed_for_bivness_p, record_biv): New functions.
13330 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13331 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13332 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13333 UD chains.
13334 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13335 analysed.
13336 (iv_number_of_iterations): Use new interface to iv analysis.
13337 * loop-unroll.c: Do not include varray.h.
13338 (analyze_iv_to_split_insn): Use new interface to iv
13339 analysis.
13340 * loop-unswitch.c (may_unswitch_on): Ditto.
13341 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13342 allocated.
13343 (df_bb_modify): Realloc tables to the new index.
13344 (df_find_use): New function.
13345 * df.h (df_find_use): Declare.
13346 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13347 outmode.
13348 * cfgloop.h (struct rtx_iv): Remove analysed field.
13349 (iv_get_reaching_def): Removed.
13350 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13351 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13352 (loop-iv.o): Add df.h and hashtab.h dependency.
13353 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13355 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13357 PR target/25668
13358 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13359 Double TFmode.
13360 (__floatundisf, __floatundidf): Likewise.
13361 * libgcc2.h (IS_IBM_EXTENDED): Define.
13363 2006-01-19 DJ Delorie <dj@redhat.com>
13365 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13367 2006-01-19 Paul Brook <paul@codesourcery.com>
13369 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13370 as nothrow when unwinding tables are disabled.
13372 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13374 PR testsuite/25171
13375 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13376 of bit-field" when in system header.
13378 2006-01-19 DJ Delorie <dj@redhat.com>
13380 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13381 the 16 bit shift limit of the m16c.
13383 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13385 PR target/22099
13386 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13387 * config/i386/i386.c (output_set_got): Output the label if we have one
13388 for the TARGET_DEEP_BRANCH_PREDICTION case.
13390 2006-01-19 Jan Hubicka <jh@suse.cz>
13391 H.J. Lu <hongjiu.lu@intel.com>
13392 Evandro Menezes <evandro.menezes@amd.com>
13394 * invoke.texi (generic): Document
13395 (i686) Update.
13396 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13397 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13398 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13399 (x86_use_incdec, x86_pad_returns): New variables
13400 (TARGET_CPU_DEFAULT_generic): New constant
13401 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13402 (enum processor_type): Add generic32 and generic64.
13403 * i386.md (cpu attribute): Add generic32/generic64
13404 (movhi splitter): Behave sanely when both partial_reg_dependency and
13405 partial_reg_stall are set.
13406 (K8 splitters): Enable for generic as well.
13407 * predicates.md (incdec_operand): Use TARGET_INCDEC
13408 (aligned_operand): Avoid memory mismatch stalls.
13409 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13410 * ppro.md: Enable for generic32
13411 * i386.c (generic64_cost, generic32_cost): New.
13412 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13413 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13414 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13415 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13416 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13417 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13418 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13419 x86_accumulate_outgoing_args, x86_prologue_using_move,
13420 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13421 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13422 Enable for generic.
13423 (x86_use_incdec, x86_pad_returns): New.
13424 (override_options): Add generic32 and generic64, translate "generic"
13425 to generic32/generic64 and "i686" to "generic32", refuse
13426 "generic32"/"generic64" as arch target.
13427 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13428 (ix86_reorg): Honor PAD_RETURNS.
13430 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13432 * tree-pretty-print.c (dump_generic_node): Handle
13433 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13434 * cgraph.c (cgraph_expand_queue): Rename from
13435 cgraph_analyze_queue. Update all users.
13436 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13437 cgraph_expand_queue.
13438 (cgraph_expand_all_functions): Likewise.
13439 (cgraph_finalize_pending_functions): Remove. Update callers.
13441 * tree.h (OMP_DIRECTIVE_P): Define.
13442 (OMP_PARALLEL_FN): Define.
13443 (OMP_PARALLEL_DATA_ARG): Define.
13444 (OMP_SECTIONS_SECTIONS): Define.
13445 * tree-pass.h (pass_expand_omp): Declare.
13446 * omp-low.c (struct omp_region): Declare.
13447 (struct omp_context): Remove fields 'parallel_type',
13448 'parallel_start_ix' and 'parallel_start_additional_args'.
13449 Update all users.
13450 (struct omp_for_data): Rename from struct expand_omp_for_data.
13451 (omp_regions): New static variable.
13452 (root_omp_region): New static variable.
13453 (find_omp_clause): Make static.
13454 (is_in_combined_parallel_ctx): Remove.
13455 (is_combined_parallel): New.
13456 (extract_omp_for_data): Move earlier in the file.
13457 (workshare_safe_to_combine_p): New.
13458 (get_ws_args_for): New.
13459 (determine_parallel_type): Move earlier in the file.
13460 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13461 child function.
13462 (omp_copy_decl): Likewise.
13463 (create_omp_child_function): Likewise.
13464 (lookup_omp_region): New.
13465 (dump_omp_region): New.
13466 (debug_omp_region): New.
13467 (debug_all_omp_regions): New.
13468 (new_omp_region): New.
13469 (scan_omp_parallel): If parallel_nesting_level > 1, the
13470 directive is nested within another parallel directive.
13471 Set OMP_PARALLEL_FN.
13472 (scan_omp_for): Do not try to handle combined parallel+for
13473 cases.
13474 Remove FIXME comment.
13475 (scan_omp_nested): Remove.
13476 (scan_omp_1): Do not call scan_omp_nested when
13477 parallel_nesting_level is > 1.
13478 Do not change the DECL_CONTEXT of local variables found.
13479 (lookup_decl_in_outer_ctx): New.
13480 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13481 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13482 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13483 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13484 If CTX is nested, lookup VAR in the outer context when
13485 building copy assignment.
13486 (lower_send_clauses): Rename from expand_send_clauses.
13487 If CTX is nested, lookup VAR in the outer context when
13488 building copy assignments.
13489 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13490 If CTX is nested, lookup VAR in the outer context when
13491 building copy assignments.
13492 (expand_parallel_call): Rename from build_parallel_call.
13493 Handle combined parallel+workshare cases.
13494 Re-implement to emit code into the CFG.
13495 (list2chain): New.
13496 (expand_omp_parallel): Re-implement to emit code into the CFG.
13497 Call move_sese_region_to_fn to outline the sub-graph
13498 containing the parallel region.
13499 (expand_omp_for_1): Remove.
13500 (expand_omp_for_generic): Re-implement to emit code into the
13501 CFG.
13502 (expand_omp_for_static_nochunk): Likewise.
13503 (expand_omp_for_static_chunk): Likewise.
13504 (expand_omp_for): Likewise.
13505 (expand_omp_sections): Likewise.
13506 (remove_exit_barriers): New.
13507 (expand_omp_synch): New.
13508 (expand_omp): New.
13509 (build_omp_regions_1): New.
13510 (build_omp_regions): New.
13511 (execute_expand_omp): New.
13512 (gate_expand_omp): New.
13513 (pass_expand_omp): Define.
13514 (lower_omp_sections): Rename from expand_omp_sections.
13515 Set OMP_SECTIONS_SECTIONS.
13516 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13517 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13518 (lower_omp_single): Rename from expand_omp_simple.
13519 (lower_omp_master): Rename from expand_omp_master.
13520 (lower_omp_ordered): Rename from expand_omp_ordered.
13521 (lower_omp_critical): Rename from expand_omp_critical.
13522 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13523 (lower_omp_for): Re-implement.
13524 (lower_omp_parallel): Re-implement.
13525 (lower_regimplify): Rename from expand_regimplify.
13526 (lower_omp_1): Rename from expand_omp_1.
13527 If there are syntax errors in the program, replace every
13528 OpenMP directive with NOP.
13529 Call lower_omp_* instead of expand_omp_*.
13530 (lower_omp): Rename from expand_omp.
13532 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13533 * tree-gimple.h (enum omp_parallel_type): Remove.
13534 (gimple_boolify): Declare extern.
13535 (find_omp_clause, determine_parallel_type): Remove.
13537 * gimple-low.c (lower_omp_directive): New.
13538 (lower_stmt): Call it.
13539 (record_vars_into): Move from ...
13540 (record_vars): ... here.
13541 Call record_vars_into with current_function_decl.
13543 * gimplify.c (struct gimplify_ctx): Remove fields
13544 combined_pre_p and combined_ctxp. Update users.
13545 (get_formal_tmp_var): Add documentation.
13546 (gimple_boolify): Make extern.
13547 (gimplify_expr_in_ctx): Remove. Update callers.
13548 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13549 will always be a BIND_EXPR.
13550 (gimplify_expr): Handle OMP_RETURN_EXPR.
13551 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13552 (OMP_PARALLEL): Add 3 operands.
13553 (OMP_SECTIONS): Add 1 operand.
13554 (OMP_RETURN_EXPR): Define.
13556 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13557 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13558 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13559 creating a circular free list.
13560 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13562 * tree-flow.h (move_sese_region_to_fn): Declare.
13563 (record_vars_into): Declare.
13564 * tree-cfg.c (make_omp_sections_edges): New.
13565 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13566 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13567 OMP_SECTIONS and OMP_SECTION.
13568 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13569 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13570 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13571 (gather_blocks_in_sese_region): New.
13572 (struct move_stmt_d): Declare.
13573 (move_stmt_r): New.
13574 (move_block_to_fn): New.
13575 (move_sese_region_to_fn): New.
13577 * passes.c (init_optimization_passes): Schedule
13578 pass_expand_omp after pass_init_datastructures.
13580 * tree-ssa-operands.c (get_expr_operands): Handle
13581 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13582 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13584 2006-01-19 Jeff Law <law@redhat.com>
13586 * tree-vrp.c (extract_range_from_assert): Refine the result range
13587 if the variable referenced by the ASSERT_EXPR has a range and
13588 either the tentative result range or the previous range is a
13589 VR_ANTI_RANGE.
13591 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13593 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13595 2006-01-19 Jan Hubicka <jh@suse.cz>
13597 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13599 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13601 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13602 (expand_compound_operation, expand_field_assignment): Fail if the
13603 bit lengths of an extract operation are out of range.
13604 (make_extraction): Compute wanted_inner_mode based on the position
13605 and length of the extraction. Make it extraction_mode for non-constant
13606 positions, and do not modify offset in that case. When generating a
13607 new MEM, use a mode that can hold the extraction while keeping correct
13608 alignment. Remove code that supported MEMs wrapped by USEs.
13609 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13611 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13613 * config/s390/s390.md ("Y", "y"): New mode attribute.
13614 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13615 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13616 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13617 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13618 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13619 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13620 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13621 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13622 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13623 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13624 "addsi3", "subsi3"): Insn patterns removed.
13625 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13626 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13627 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13628 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13629 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13630 "*sub<mode>3_cconly2"): New insn patterns.
13631 ("addsi3", "subsi3"): New expanders.
13633 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13635 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13636 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13637 existing STMT_VINFO_VECTYPE if available.
13638 (vect_mark_relevant): Add special handling for stmts that are
13639 marked as STMT_VINFO_IN_PATTERN_P.
13640 (vect_analyze_loop): Call vect_pattern_recog.
13641 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13642 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13643 stmt_info.
13644 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13645 (vect_recog_func_ptr): New function-pointer type.
13646 * tree-vect-patterns.c: New file.
13647 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13648 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13649 (vect_pattern_recog_1): New functions.
13650 (vect_pattern_recog_funcs): New array of function pointers.
13652 * tree-vectorizer.h (ternary_op): New enum value.
13653 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13654 declaration. Revised documentation. Removed redundant dump prints.
13655 Removed redundant argument. Added support for reduction patterns.
13656 (vectorizable_reduction): Added support for reduction patterns.
13657 (vect_transform_stmt): Added support for patterns.
13659 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13660 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13661 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13662 (expand_widen_pattern_expr): New function.
13663 (init_optabs): Initialize new optabs udot_prod_optab,
13664 sdot_prod_optab.
13665 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13666 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13667 (expand_widen_pattern_expr): New function declaration.
13668 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13669 tree-codes.
13670 * tree-inline.c (estimate_num_insns_1): Added cases for new
13671 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13672 * tree-pretty-print.c (dump_generic_node): Likewise.
13673 (op_prio): Likewise.
13674 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13675 * tree-ssa-operands.c (get_expr_operands): Added case for
13676 DOT_PROD_EXPR.
13677 * tree-vect-patterns.c (widened_name_p): New function.
13678 (vect_recog_dot_prod_pattern): Added function implementation.
13679 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13680 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13681 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13682 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13684 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13685 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13686 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13687 (init_optabs): Initialize new optabs widen_ssum_optab,
13688 widen_usum_optab.
13689 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13690 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13691 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13692 use instead of type of def.
13693 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13694 function implementation.
13695 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13696 widen_ssumv8hi): New.
13698 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13699 patterns.
13701 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13703 PR c/25805
13704 * c-decl.c (add_flexible_array_elts_to_size): New function.
13705 (finish_decl): Use it.
13707 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13709 * diagnostic.h: Include options.h.
13710 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13711 dependancies for diagnostic.h.
13712 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13714 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13716 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13717 (ssa_ro_call_cache_valid): Ditto.
13718 * tree-ssa-alias.c (sort_tags_by_id): New function.
13719 (init_transitive_clobber_worklist): Ditto.
13720 (add_to_worklist): Ditto.
13721 (mark_aliases_call_clobbered): Ditto.
13722 (compute_tag_properties): Ditto.
13723 (set_initial_properties): Ditto.
13724 (compute_call_clobbered): Ditto.
13725 (compute_may_aliases): Call compute_call_clobbered and grouping.
13726 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13727 (compute_flow_insensitive_aliasing): Grouping now happens in our
13728 caller.
13729 (setup_pointers_and_addressables): Remove clobbering related code.
13730 (add_may_alias): Ditto.
13731 (replace_may_alias): Ditto.
13732 (get_nmt_for): Ditto.
13733 (create_global_var):
13734 (is_escape_site): Return an escape_type enumeration.
13735 * tree-flow-inline.h (is_call_clobbered): Global var does not
13736 imply call clobbered.
13737 (mark_call_clobbered): Take a reason for marking this. Remove
13738 marking of globalness, and cache invalidation.
13739 (clear_call_clobbered): Remove cache invalidation code.
13740 * tree-dfa.c (dump_variable): If details is on, dump the reason
13741 for escaping.
13742 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13743 variable.
13744 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13745 (struct var_ann_d): Ditto.
13746 (enum escape_type): New.
13747 (mark_call_clobbered): Adjust prototype.
13748 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13749 are never call clobbered.
13750 Record reasons for escaping.
13751 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13752 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13753 (ssa_ro_call_cache_valid): Ditto.
13754 (clobbered_v_may_defs): Ditto.
13755 (clobbered_vuses): Ditto.
13756 (ro_call_vuses): Ditto.
13757 (clobber_stats): New.
13758 (init_ssa_operands): Zero out clobber stats.
13759 (fini_ssa_operands): Print out clobber stats.
13760 (get_call_expr_operands): Pass callee fndecl to
13761 add_call_read_ops).
13762 (add_call_clobber_ops): Remove use of cache.
13763 Add use of PURE_CONST information.
13764 (add_call_read_ops): Remove use of cache.
13765 Add use of static not_read information.
13767 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13769 Introduce TLS descriptors for i386 and x86_64.
13770 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13771 (TARGET_ANY_GNU_TLS): New macro.
13772 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13773 (struct machine_function): Add tls_descriptor_call_expanded_p.
13774 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13775 (ix86_current_function_calls_tls_descriptor): Likewise.
13776 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13777 (override_options): Introduce gnu2 tls dialect.
13778 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13779 not leaves.
13780 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13781 Likewise.
13782 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13783 (ix86_init_machine_status): Initialize new field.
13784 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13785 (ix86_tls_module_base): New.
13786 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13787 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13788 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13789 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13790 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13791 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13792 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13793 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13794 * config/i386/predicates.md (tls_modbase_operand): New.
13795 (tp_or_register_operand): New.
13797 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13799 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13800 (look_for_address_of): Ditto.
13801 (ipa_init): Walk the function decls.
13802 (static_execute): Don't set readonly on FUNCTION_DECL's.
13804 2006-01-18 Roger Sayle <roger@eyesopen.com>
13806 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13807 for shifts where the source and destination registers are different.
13809 2006-01-18 Paul Brook <paul@codesourcery.com>
13811 Merge from csl-arm-branch.
13812 2005-03-14 Julian Brown <julian@codesourcery.com>
13813 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13814 (aeabi_llsl): Likewise.
13815 (ashrdi3): Likewise.
13816 (aeabi_lasr): Likewise.
13817 (lshrdi3): Likewise.
13818 (aeabi_llsr): Likewise.
13819 2005-03-10 Julian Brown <julian@codesourcery.com>
13820 * config.gcc: Disable shared libgcc for SymbianOS.
13821 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13823 2006-01-18 DJ Delorie <dj@redhat.com>
13825 * c-pragma.c (handle_pragma_diagnostic): New.
13826 (init_pragma): Register it.
13827 * doc/extend.texi: Document it.
13829 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13830 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13831 (diagnostic_context): Add classify_diagnostic[].
13832 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13833 as errors if they're overridden to DK_WARNING.
13834 (diagnostic_initialize): Initialize classify_diagnostic[].
13835 (diagnostic_set_kind_override): New.
13836 (diagnostic_report_diagnostic): Check for kind changes.
13837 * opts.c (common_handle_option): Take lang_mask. Update callers.
13838 Handle OPT_Werror_.
13839 * common.opt (Werror=): New.
13840 * doc/invoke.texi: Document -Werror=*
13842 2006-01-18 Jeff Law <law@redhat.com>
13844 * tree-vrp.c (test_for_singularity): Correct test for new
13845 min limit. Use operand_equal_p rather than pointer equality
13846 for testing if new min/max values are equal.
13848 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13849 using range information until after propagation and folding.
13851 2006-01-18 Richard Henderson <rth@redhat.com>
13852 Aldy Hernandez <aldyh@redhat.com>
13853 Jakub Jelinek <jakub@redhat.com>
13854 Diego Novillo <dnovillo@redhat.com>
13856 * omp-low.c: New file.
13857 * c-omp.c: New file.
13859 2006-01-18 Richard Henderson <rth@redhat.com>
13860 Jakub Jelinek <jakub@redhat.com>
13861 Diego Novillo <dnovillo@redhat.com>
13863 * doc/invoke.texi: Document -fopenmp.
13864 * tree-dump.h (debug_function): Declare.
13865 * hooks.c (hook_bool_tree_bool_false): New function.
13866 (hook_tree_tree_null): Remove.
13867 (hook_tree_tree_tree_null): New.
13868 * hooks.h: Update to match.
13869 * tree-pretty-print.c (debug_tree_chain): New.
13870 (print_generic_expr): Handle TDF_CHAIN.
13871 (dump_generic_node): Handle BLOCK.
13872 Do not abort with incomplete SWITCH_EXPRs.
13873 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13874 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13875 print space after directive name.
13876 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13877 Handle OMP_MASTER and OMP_ORDERED.
13878 Handle printing of OMP_BODY just in one place, goto
13879 dump_omp_body in the rest of OMP_* nodes that have
13880 OMP_BODY.
13881 Don't handle clause nodes here. Update omp statements to
13882 use dump_omp_clauses.
13883 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13884 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13885 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13886 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13887 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13888 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13889 Adjust output for GOMP_PARALLEL.
13890 (dump_omp_clauses): New.
13891 (print_declaration): Dump DECL_VALUE_EXPR.
13892 (op_symbol_1): Split out of op_symbol.
13893 (dumping_stmts): Remove. Update all users.
13894 * cgraph.c (cgraph_analyze_queue): New.
13895 (cgraph_add_new_function): New.
13896 * cgraph.h (cgraph_analyze_queue): Declare.
13897 (cgraph_add_new_function): Declare.
13898 (cgraph_lower_function): Remove.
13899 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13900 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13901 and TYPE_P nodes in its default clause.
13902 (empty_body_p): New.
13903 (tree_range_check_failed): New.
13904 (build5_stat): New.
13905 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13906 OMP_CLAUSE_REDUCTION_MERGE,
13907 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13908 OMP_CLAUSE_PRIVATE_DEBUG,
13909 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13910 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13911 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13912 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13913 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13914 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13915 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13916 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13917 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13918 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13919 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13920 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13921 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13922 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13923 (TREE_RANGE_CHECK): New.
13924 (empty_body_p): Declare.
13925 (enum omp_clause_default_kind): New.
13926 (build_string_literal): Declare.
13927 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13928 (build5_stat, build5): Declare.
13929 * tree-pass.h (TDF_CHAIN): Define.
13930 * tree-pass.h (PROP_gimple_lomp): Define.
13931 (pass_lower_omp): Declare.
13932 * diagnostic.h (debug_tree_chain): Declare.
13933 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13934 mode_for_size.
13935 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13936 * builtins.c (build_string_literal): Make extern.
13937 * gcc.c (include_spec_function): New.
13938 (static_spec_functions): Add it.
13939 (main): Move load of libgomp.spec ...
13940 (LINK_COMMAND_SPEC): ... here.
13941 (link_gomp_spec): New.
13942 (static_specs): Include it.
13943 (LINK_COMMAND_SPEC): Add link_gomp.
13944 (GOMP_SELF_SPECS): New.
13945 (driver_self_specs): Include it.
13946 (switch_matches): Don't mark inline.
13947 (main): Load libgomp.spec.
13948 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13949 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13950 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13951 * tree-gimple.h (enum omp_parallel): Declare.
13952 (determine_parallel_type): Declare.
13953 (omp_firstprivatize_variable): Declare.
13954 (omp_reduction_init): Declare.
13955 (diagnose_omp_structured_block_errors): Declare.
13956 (struct walk_stmt_info): Add want_return_expr.
13957 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13958 (find_omp_clause): Declare.
13959 (insert_field_into_struct): Declare.
13960 (struct walk_stmt_info): Move from tree-nested.c
13961 (walk_stmts): Declare.
13962 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13963 to 200505.
13964 * cgraphunit.c (cgraph_lower_function): Make static.
13965 (cgraph_finalize_pending_functions): New.
13966 (cgraph_finalize_function): Call it.
13967 (cgraph_finalize_compilation_unit): Likewise.
13968 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13969 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13970 (BT_FN_UINT_UINT): New.
13971 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13972 DEF_FUNCTION_TYPE_VAR_4): Document.
13973 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13974 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13975 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13976 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13977 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13978 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13979 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13980 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13981 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13982 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13983 into separate files.
13984 (DEF_GOMP_BUILTIN): New.
13985 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13986 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13987 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13988 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13989 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13990 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13991 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13992 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13993 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13994 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13995 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13996 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13997 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13998 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13999 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14000 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14001 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14002 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14003 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14004 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14005 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14006 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14007 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14008 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14009 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14010 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14011 * sync-builtins.def: New file, moved from builtins.def.
14012 * omp-builtins.def: New file, moved from builtins.def.
14013 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14014 * gimple-low.c (lower_function_body): Clear data.
14015 (lower_stmt): Do not handle COMPOUND_EXPR.
14016 Remove call to print_node_brief.
14017 * c-tree.h (c_finish_omp_clauses): New prototype.
14018 (C_DECL_THREADPRIVATE_P): Define.
14019 (lookup_name_no_remap, c_omp_remap_private): Remove
14020 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14021 (check_for_loop_decls): Update decl.
14022 (lookup_name_no_remap, c_omp_remap_private): Declare.
14023 (build_indirect_ref, build_modify_expr, pushdecl,
14024 pushdecl_top_level): Move to c-common.h.
14025 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14026 before the switch, but just in the 2 places that need it.
14027 * c-decl.c (diagnose_mismatched_decls): Do not check for
14028 mismatched thread-local attributes when OLDDECL is marked
14029 threadprivate and NEWDECL has no thread-local attributes.
14030 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14031 (c_gimple_diagnostics_recursively): Rename from
14032 c_warn_unused_result_recursively. Invoke
14033 diagnose_omp_structured_block_errors.
14034 (check_for_loop_decls): Return a singular decl found.
14035 * langhooks.c (lhd_omp_predetermined_sharing): Return
14036 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14037 (lhd_omp_firstprivatize_type_sizes): New.
14038 (lhd_omp_assignment): New.
14039 (lhd_omp_predetermined_sharing): New.
14040 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14041 (struct lang_hooks_for_types): Add
14042 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14043 omp_predetermined_sharing, omp_disregard_value_expr,
14044 omp_private_debug_clause, omp_clause_default_ctor,
14045 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14046 (c_finish_omp_clauses): New.
14047 (c_finish_bc_stmt): Diagnose break within omp for.
14048 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14049 (build_unary_op): Return error_mark after reporting
14050 a readonly_error.
14051 (build_modify_expr): Likewise.
14052 * gimplify.c: Include optabs.h and pointer-set.h.
14053 (enum gimplify_omp_var_data): Declare.
14054 (struct gimplify_omp_ctx): Declare.
14055 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14056 and combined_ctxp.
14057 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14058 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14059 (splay_tree_compare_decl_uid): New.
14060 (new_omp_context): New.
14061 (delete_omp_context): New.
14062 (gimple_add_tmp_var): Call omp_add_variable.
14063 (gimplify_bind_expr): Likewise.
14064 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14065 true, disregard DECL_VALUE_EXPR on the decl if any.
14066 (gimplify_expr_in_ctx): New.
14067 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14068 omp_add_variable, omp_notice_variable, omp_is_private
14069 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14070 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14071 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14072 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14073 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14074 gimplify_omp_atomic): New.
14075 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14076 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14077 OMP_CRITICAL and OMP_ATOMIC.
14078 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14079 * c-pragma.h (enum pragma_kind): Add
14080 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14081 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14082 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14083 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14084 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14085 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14086 PRAGMA_OMP_THREADPRIVATE.
14087 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14088 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14089 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14090 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14091 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14092 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14093 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14094 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14095 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14096 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14097 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14098 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14099 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14100 OpenMP directives.
14101 (struct nesting_info): Add field_map,
14102 suppress_expansion, debug_var_chain.
14103 (create_nesting_tree): Initialize them.
14104 (lookup_field_for_decl): Use field_map.
14105 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14106 (convert_local_omp_clauses): New.
14107 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14108 (walk_body): Split out of walk_function.
14109 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14110 (convert_nonlocal_reference): Handle omp statements.
14111 (convert_local_reference): Likewise.
14112 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14113 (unnest_nesting_tree): New.
14114 (lower_nested_functions): Call it.
14115 (insert_field_into_struct): Make extern.
14116 (struct walk_stmt_info): Move to tree-gimple.h.
14117 (walk_stmts): Make extern.
14118 * omp-builtins.def: New file.
14119 * tree-iterator.c (expr_only): Clarify comment.
14120 * c-common.h (pushdecl_top_level, pushdecl,
14121 build_modify_expr, build_indirect_ref,
14122 c_finish_omp_master, c_finish_omp_critical,
14123 c_finish_omp_ordered, c_finish_omp_barrier,
14124 c_finish_omp_atomic, c_finish_omp_flush,
14125 c_finish_omp_for, c_split_parallel_clauses,
14126 omp_clause_default_kind, c_omp_sharing_predetermined,
14127 c_omp_remap_decl): Declare.
14128 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14129 (OBJS-common): Add omp-low.o.
14130 (c-omp.o, omp-low.o): Add.
14131 (gimplify.o): Add dependency on $(OPTABS_H).
14132 (GTFILES): Add omp-low.c.
14133 (gt-stringpool.h): Add.
14134 * tree-cfg.c (set_bb_for_stmt): Do not update the
14135 block-to-labels map if we are currently expanding to RTL.
14136 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14137 checks.
14138 Handle IDENTIFIER_NODE.
14139 (tree_verify_flow_info): Do not ICE when emitting error
14140 messages about invalid labels.
14141 (dump_function_to_file): Reset CFUN before emitting the body
14142 of the function.
14143 (debug_function): New.
14144 * passes.c (init_optimization_passes): Schedule
14145 pass_lower_omp.
14146 * langhooks-def.h (lhd_omp_predetermined_sharing,
14147 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14148 Declare.
14149 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14150 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14151 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14152 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14153 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14154 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14155 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14156 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14157 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14158 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14159 (LANG_HOOK_DECLS): Use them.
14161 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14162 Richard Henderson <rth@redhat.com>
14163 Jakub Jelinek <jakub@redhat.com>
14164 Diego Novillo <dnovillo@redhat.com>
14166 * c-parser.c (pragma_omp_clause): Define.
14167 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14168 (c_parser_compound_statement): Likewise.
14169 (c_parser_statement): Likewise.
14170 (c_parser_pragma): Handle omp pragmas.
14171 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14172 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14173 (c_parser_omp_clause_name, check_no_duplicate_clause,
14174 c_parser_omp_variable_list,
14175 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14176 c_parser_omp_clause_copyprivate,
14177 c_parser_omp_clause_default,
14178 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14179 c_parser_omp_clause_lastprivate,
14180 c_parser_omp_clause_nowait,
14181 c_parser_omp_clause_num_threads,
14182 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14183 c_parser_omp_clause_reduction,
14184 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14185 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14186 c_parser_omp_atomic, c_parser_omp_barrier,
14187 c_parser_omp_critical, c_parser_omp_flush,
14188 c_parser_omp_for_loop, c_parser_omp_for,
14189 c_parser_omp_master, c_parser_omp_ordered,
14190 c_parser_omp_sections_scope, c_parser_omp_sections,
14191 c_parser_omp_parallel, c_parser_omp_single,
14192 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14193 * c-pragma.c (init_pragma): Do omp pragma registration here.
14194 * c.opt (fopenmp): New flag.
14196 2006-01-18 Eric Christopher <echristo@apple.com>
14198 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14199 * config/darwin.h (GOMP_SELF_SPECS): Define.
14201 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14203 * rtl.h: Remove the prototype for reg_alloc.
14205 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14207 PR target/25731
14208 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14209 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14210 sjlj and dwarf2 exception handling.
14211 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14212 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14213 * pa/pa.c (function_value): Treat complex and vector types as
14214 aggregates.
14215 (function_arg): Likewise. Only pass scalar floats in the floating
14216 point argument registers.
14217 * pa/t-slibgcc-dwarf-ver: New file.
14218 * pa/t-slibgcc-sjlj-ver: New file.
14219 * pa/t-slibgcc-elf-ver: Delete file.
14221 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14223 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14224 unlikely_test_section_p test.
14226 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14228 * mode-switching.c (optimize_mode_switching): Make it static.
14229 * basic-block.h: Remove the prototype for
14230 optimize_mode_switching.
14232 * modulo-sched.c (sms_schedule): Make it static.
14233 * rtl.h: Remove the prototype for sms_schedule.
14235 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14236 * rtl.h: Remove the prototype for gcse_after_reload_main.
14238 * reg-stack.c (reg_to_stack): Make it static.
14239 * rtl.h: Remove the prototype for reg_to_stack.
14241 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14242 Make them static.
14243 * rtl.h: Remove the prototypes for regrename_optimize and
14244 copyprop_hardreg_forward.
14246 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14248 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14249 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14250 Test against the appropriate null constant for the mode.
14251 If 'fixup_overlap' is true, swap the operands if they overlap.
14252 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14253 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14254 alpha_split_tmode_pair and adjust for above change.
14255 * config/alpha/alpha.md (movtf_internal): Adjust call to
14256 alpha_split_tfmode_pair and rely on it to swap the operands.
14257 (movti_internal): New insn and post-reload splitter.
14258 (movti): New expander.
14260 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14262 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14263 operands.
14265 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14267 * rtlanal.c (global_reg_mentioned_p_1,
14268 global_reg_mentioned_p): Remove.
14269 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14271 * flow.c (initialize_uninitialized_subregs): Make it static.
14272 * rtl.h: Remove the prototype for
14273 initialize_uninitialized_subregs.
14275 * function.c (instantiate_virtual_regs): Make it static.
14276 * function.h: Remove the prototype for
14277 instantiate_virtual_regs.
14279 * regmove.c (regmove_optimize, combine_stack_adjustments):
14280 Make them static.
14281 * rtl.h: Remove the prototypes for regmove_optimize and
14282 combine_stack_adjustments.
14284 2006-01-17 Roger Sayle <roger@eyesopen.com>
14286 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14287 (size_cost): Encode costs in bytes so that a reg-reg addition is
14288 equivalent to COSTS_N_INSNS(1).
14289 (override_options): Use the size_cost.branch_cost as the default
14290 ix86_branch_cost when optimizing for size.
14292 2006-01-18 Ben Elliston <bje@au.ibm.com>
14294 * Makefile.in (D32PBIT_FUNCS): New.
14295 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14296 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14297 D64PBIT_FUNCS and D128PBIT_FUNCS.
14298 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14299 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14300 D128PBIT are set.
14301 (decnumber_dep): Define.
14302 * doc/libgcc.texi (Decimal float library routines): New node.
14303 * config/dfp-bit.h, config/dfp-bit.c: New files.
14305 2006-01-18 Ben Elliston <bje@au.ibm.com>
14307 * expr.c (emit_move_change_mode): Always adjust addresses, not
14308 just during reload. Copy replacements only during reload.
14309 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14310 emit_move_via_integer.
14312 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14314 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14315 instead of $(srcdir) and ${srcdir}.
14317 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14319 PR target/592
14320 PR middle-end/11135
14321 * arm.h (struct machine_function): Add pic_reg.
14322 * arm.c (arm_pic_register): Make unsigned.
14323 (arm_override_options): Only set arm_pic_register if
14324 TARGET_SINGLE_PIC_BASE.
14325 (use_return_insn): Only test for a pic register if it is fixed.
14326 (arm_compute_save_reg0_reg12_mask): Likewise.
14327 (thumb_compute_save_reg_mask): Likewise.
14328 (legitimate_pic_operand): Factor out some known invariants.
14329 (legitimize_pic_address): If we don't have a fixed pic register,
14330 then set up a pseudo in the function entry sequence. Handle the
14331 pic base being in a pseudo.
14332 (arm_load_pic_register): Handle the pic register being in a pseudo.
14333 (arm_expand_prologue): Only set up the pic register if it is fixed.
14334 (thumb_expand_prologue): Likewise.
14335 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14336 (pic_load_addr_based_insn): Likewise.
14337 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14338 fixed.
14340 2006-01-18 Ben Elliston <bje@au.ibm.com>
14342 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14343 decimal float modes for all floating point registers.
14345 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14346 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14348 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14350 PR c/25682
14351 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14352 even when the pointer is not NULL.
14354 2006-01-16 Ian Lance Taylor <ian@airs.com>
14356 * common.opt (ftoplevel-reorder): New option.
14357 * cgraph.c (cgraph_asm_nodes): New global variable.
14358 (cgraph_asm_last_node): New static variable.
14359 (cgraph_order): New global variable.
14360 (cgraph_create_node): Set new order field.
14361 (cgraph_varpool_node): Likewise.
14362 (decide_is_variable_needed): Return true if not
14363 flag_toplevel_reorder.
14364 (cgraph_add_asm_node): New function.
14365 * cgraph.h (struct cgraph_node): Add order field.
14366 (struct cgraph_varpool_node): Add order field.
14367 (struct cgraph_asm_node): Define.
14368 (cgraph_asm_nodes, cgraph_order): Declare.
14369 (cgraph_add_asm_node): Declare.
14370 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14371 function.
14372 (cgraph_varpool_assemble_pending_decls): Call it.
14373 (cgraph_output_pending_asms): New static function.
14374 (cgraph_finalize_compilation_unit): Call it.
14375 (struct cgraph_order_sort): Define.
14376 (cgraph_output_in_order): New static function.
14377 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14378 !flag_toplevel_reorder case.
14379 * c-parser.c: Include "cgraph.h".
14380 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14381 assemble_asm.
14382 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14383 than -fno-unit-at-a-time.
14384 * doc/invoke.texi (Option Summary): Mention
14385 -fno-toplevel-reorder.
14386 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14387 -funit-at-a-time documentation.
14389 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14390 Kazu Hirata <kazu@codesourcery.com>
14392 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14394 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14396 * Makefile.in (FUNCTION_H): New. Use it instead of
14397 function.h throughout the file.
14398 * function.h: Include tree.h.
14400 2006-01-17 Ben Elliston <bje@au.ibm.com>
14402 * recog.c: Separate some functions with whitespace.
14404 2006-01-16 Richard Henderson <rth@redhat.com>
14406 Merge from gomp branch:
14407 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14408 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14409 and rename from struct inline_data. Rename callee* to dst*;
14410 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14411 transform_new_cfg, transform_return_to_modify, and
14412 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14413 update_clones_p.
14414 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14415 (copy_decl_for_dup): Remove.
14416 * tree-inline.c (struct inline_data): Move to header.
14417 (insert_decl_map): Export.
14418 (remap_decl): Update for member name changes. Use copy_decl hook.
14419 Allow for replacement to be a non-decl. Remove dead code.
14420 (remap_type_1): Check for existing mapping.
14421 (remap_type): Export.
14422 (remap_decls): Update for member name changes.
14423 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14424 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14425 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14426 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14427 (tree_function_versioning, build_duplicate_type): Likewise.
14428 (copy_body_r): Likewise. Export.
14429 (copy_decl_for_dup): Split into ...
14430 (copy_decl_for_dup_finish, copy_decl_to_var,
14431 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14432 (replace_ref_tree, inlining_p): Remove.
14434 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14436 * ifcvt.c (if_convert): Make it static.
14437 * rtl.h: Remove the prototype for if_convert.
14439 * local-alloc.c (local_alloc): Make it static.
14440 * rtl.h: Remove the prototype for local_alloc.
14442 * loop.c (loop_optimize): Make it static.
14443 * cfgloop.h: Remove the prototype for loop_optimize.
14444 * rtl.h: Likewise.
14446 2006-01-16 DJ Delorie <dj@redhat.com>
14448 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14449 mems.
14451 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14453 * pa.md: Disparage copies between general and floating-point registers
14454 in 32-bit move patterns.
14456 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14458 PR testsuite/25741
14459 * Makefile.in (check-%): Depend on site.exp instead of
14460 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14461 directories.
14463 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14465 * global.c (global_alloc): Make it static.
14466 * rtl.h: Remove the prototype for global_alloc.
14468 2006-01-16 Richard Guenther <rguenther@suse.de>
14470 * tree-ssa-alias.c (struct used_part): Add write_only field.
14471 (get_or_create_used_part_for): Initialize it to true.
14472 (create_overlap_variables_for): Don't create structure variables
14473 for structures that only are written to.
14474 (find_used_portions): Handle MODIFY_EXPR to track whether a
14475 structure is only written to.
14477 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14479 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14480 static.
14481 * basic-block.h: Remove the prototype for
14482 partition_hot_cold_basic_blocks.
14484 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14486 * cppspec.c (lang_specific_spec_functions): Remove.
14487 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14488 * gcc.h (lang_specific_spec_functions): Remove.
14489 * gccspec.c (lang_specific_spec_functions): Remove.
14491 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14493 * combine.c (record_value_for_reg): Invalidate registers
14494 if INSN is null.
14495 (record_dead_and_set_regs_1): Likewise, by passing them to
14496 record_value_for_reg.
14497 (record_dead_and_set_regs): Invalidate stores made by a
14498 call. We do not combine across a call, but we still
14499 relied on equivalences.
14501 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14503 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14504 vrp_int_const_binop returning non-constant nodes.
14506 2006-01-16 Paul Brook <paul@codesourcery.com>
14508 * config/m68k/m68k.c (output_move_const_into_data_reg):
14509 Output correct mnemonic for mvz and mvs.
14511 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14513 * rtl-factoring.c: Add sequence abstraction algorithm.
14514 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14515 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14516 ABNORMAL edges.
14517 (block_has_preserve_label): New function.
14518 * common.opt: Register new pass.
14519 * Makefile.in: Ditto.
14520 * passes.c: Ditto.
14521 * timevar.def: Ditto.
14522 * tree-pass.h: Ditto.
14523 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14524 * rtl.h (make_jump_insn_raw): Add forward decl.
14525 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14527 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14528 Roger Sayle <roger@eyesopen.com>
14530 * fold-const.c (fold_minmax): New static function.
14531 (fold_binary) <MIN_EXPR>: Call it.
14532 <MAX_EXPR>: Likewise.
14533 * stor-layout.c (place_field): Use DECL_SIZE consistently
14534 in the computation of the new record size.
14536 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14538 * cse.c (cse_condition_code_reg): Make it static.
14539 * rtl.h: Remove the prototype for cse_condition_code_reg.
14541 * combine.c (combine_instructions): Make it static.
14542 * rtl.h: Remove the prototype for combine_instructions.
14544 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14546 PR target/25168
14547 * tree.c (get_file_function_name_long): Concatenate the first global
14548 object name with a string derived from the input filename of the object
14549 for type "F".
14551 2006-01-16 Ben Elliston <bje@au.ibm.com>
14553 * config/i386/winnt-stubs.c: Update FSF address.
14554 * config/xtensa/ieee754-df.S: Ditto.
14555 * config/xtensa/ieee754-sf.S: Ditto.
14557 2006-01-14 Ian Lance Taylor <ian@airs.com>
14559 * ifcvt.c (noce_init_if_info): New static function, broken out of
14560 noce_process_if_block.
14561 (noce_process_if_block): Call noce_init_if_info.
14562 (check_cond_move_block): New static function.
14563 (cond_move_process_if_block): New static function.
14564 (process_if_block): Call cond_move_process_if_block.
14566 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14568 * cselib.c (hash_table): Rename to cselib_hash_table.
14569 (cselib_clear_table, discard_useless_values,
14570 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14571 cselib_init, cselib_finish): Adjust uses of hash_table.
14573 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14575 PR tree-optimization/25485
14576 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14577 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14578 is known to be false and true, respectively.
14580 2006-01-14 Richard Guenther <rguenther@suse.de>
14582 PR tree-optimization/22548
14583 PR tree-optimization/22555
14584 PR tree-optimization/22501
14585 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14586 * params.def (salias-max-array-elements): New parameter.
14587 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14588 * doc/invoke.texi (salias-max-array-elements): Document.
14589 * tree-flow-inline.h (var_can_have_subvars): We also handle
14590 arrays now.
14591 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14592 COMPONENT_REF.
14593 * tree-ssa-structalias.c (params.h): Include.
14594 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14595 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14596 (get_constraint_for): For ADDR_EXPR operating on something
14597 containing an ARRAY_REF, add all subvars to the solution.
14598 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14599 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14600 for creating MUST_DEFs.
14601 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14603 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14605 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14606 functions.
14607 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14608 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14609 number_of_iterations_le): New functions.
14610 (number_of_iterations_special): Removed.
14611 (number_of_iterations_exit): Do not use number_of_iterations_special.
14612 * tree.c (unsigned_type_for): Always return integer type.
14614 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14615 Richard Guenther <rguenther@suse.de>
14617 PR rtl-optimization/24257
14618 * gcse.c (find_moveable_store): Only consider a store movable
14619 when the SET_SRC of the insn can be assigned to a register.
14621 2006-01-14 Ian Lance Taylor <ian@airs.com>
14623 * tree.c (tree_not_class_check_failed): New function.
14624 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14625 (tree_not_class_check_failed): Declare.
14627 2006-01-13 Ian Lance Taylor <ian@airs.com>
14629 * reload1.c (do_output_reload): Add assertion rejecting a
14630 CALL_INSN.
14632 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14634 * combine.c (struct reg_stat): Add new fields truncation_label and
14635 truncated_to_mode.
14636 (record_value_for_reg): Reset truncated_to_mode.
14637 (record_truncated_value): New function.
14638 (check_promoted_subreg): Call it. Rename to check_conversions.
14639 (combine_instructions): Rename check_promoted_subreg to
14640 check_conversions.
14641 (reg_truncated_to_mode): New function.
14642 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14643 (gen_lowpart_or_truncate): New function.
14644 (force_to_mode): Use it instead of gen_lowpart.
14646 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14648 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14649 VAR is a tag, not its type tag.
14651 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14653 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14654 alternatives to match style of other entries.
14655 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14657 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14659 PR tree-optimization/25771
14660 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14661 SSA_NAMES.
14663 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14665 PR tree-opt/24365
14666 * tree-inline.c (declare_return_variable): If the return variable
14667 was marked as a non gimple complex, set the return slot variable
14668 to be a non gimple comple variable.
14670 2006-01-13 Richard Guenther <rguenther@suse.de>
14672 * builtins.c (expand_builtin_sincos): New function.
14673 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14674 do not set errno.
14675 (expand_builtin): Expand sincos using expand_builtin_sincos.
14677 2006-01-12 DJ Delorie <dj@redhat.com>
14679 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14680 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14681 so that constant shifts can be split.
14682 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14683 (m32c_valid_pointer_mode): Make static.
14684 (shift_gen_func_for): New.
14685 (m32c_prepare_shift): Use it. Split large const shifts into
14686 multiple shifts.
14687 * config/m32c/predicates.md (shiftcount_operand): Allow more
14688 general operands.
14689 (longshiftcount_operand): New.
14690 * doc/md.texi (Machine Constraints): Document In6.
14692 2006-01-13 Ben Elliston <bje@au.ibm.com>
14694 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14695 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14696 documentation.
14698 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14700 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14701 to try to avoid clobbering pieces of structures when we know
14702 something about the whole structure.
14703 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14705 2006-01-13 Ben Elliston <bje@au.ibm.com>
14707 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14708 return in memory, as this is no limitation is no longer present.
14710 2006-01-12 DJ Delorie <dj@redhat.com>
14712 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14713 mova with fb, and for fb+0 -> An.
14715 * config/m32c/mov.md (peephole2): Fix enabling logic.
14717 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14718 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14719 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14720 FINI_ARRAY_SECTION_ASM_OP): Define.
14722 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14723 variable.
14724 (m32c_legitimize_reload_address): New logic to reload FB to An.
14725 (m32c_output_reg_push): Add newline.
14726 (m32c_output_reg_pop): Likewise.
14728 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14730 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14732 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14734 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14736 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14738 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14739 match_code.
14741 2006-01-11 Ben Elliston <bje@au.ibm.com>
14743 * rtlanal.c (find_reg_note): Assert insn is not null.
14745 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14747 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14748 ifdef.
14750 2006-01-11 Jeff Law <law@redhat.com>
14752 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14753 hold edge pairs.
14754 (mark_threaded_blocks, register_jump_thread): New functions.
14755 (thread_through_all_blocks): Remove unwanted argument. No
14756 longer rely on e->aux to communicate thread target info.
14757 Call mark_threaded_blocks. Release the threaded_blocks
14758 bitmap and threaded_edges vector when complete.
14759 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14760 (threaded_blocks): Remove.
14761 (tree_ssa_dominator_optimize): Remove initialization and
14762 finalization of threaded_blocks. Simplify call to
14763 thread_through_all_blocks.
14764 (thread_across_edge): Call register_jump_thread rather than
14765 storing thread information into e->aux.
14766 (free_all_edge_infos): Simplify now that e->aux is no longer
14767 used to communicate with thread_through_all_blocks.
14768 * tree-flow.h (thread_through_all_blocks): Update prototype.
14769 (register_jump_thread): Prototype.
14771 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14773 * df-core.c (df_compact_blocks, df_bb_replace): Use
14774 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14776 2006-01-11 Richard Guenther <rguenther@suse.de>
14778 PR tree-optimization/25734
14779 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14780 stop propagation after successful propagation to the LHS.
14782 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14784 * basic-block.h (control_flow_graph): Change the type of
14785 x_basic_block_info to VEC(basic_block,gc) *.
14786 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14787 basic_block_info.
14788 (SET_BASIC_BLOCK): New.
14789 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14790 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14791 * cfgbuild.c (find_basic_blocks): Likewise.
14792 * cfglayout.c (fixup_reorder_chain): Likewise.
14793 * cfgrtl.c (create_basic_block_structure,
14794 rtl_create_basic_block): Likewise.
14795 * ifcvt.c (find_if_case_1): Likewise.
14796 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14797 Likewise.
14799 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14801 * Makefile.in: Removed rotted odf.c entry.
14803 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14805 PR target/25706
14806 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14807 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14808 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14809 output pattern modifier, not %e.
14810 * config/cris/cris.c (cris_op_str): Update comment about pattern
14811 modifier.
14812 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14813 before falling through into...
14814 <case 'E'>: Redefined from old 'e' case.
14816 2006-01-11 Jan Hubicka <jh@suse.cz>
14818 PR target/25042
14819 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14821 2006-01-11 Jan Hubicka <jh@suse.cz>
14823 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14824 * i386.c (x86_decompose_lea): Kill.
14825 (ix86_rtx_costs): Kill.
14827 2006-01-11 Jan Hubicka <jh@suse.cz>
14829 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14830 * cgraph.h (cgraph_node): Add inline_decl.
14831 (cgraph_insert_node_to_hashtable): Declare.
14832 (save_inline_function_body): Declare.
14833 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14834 clones.
14835 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14836 (cgraph_function_versioning): Update call of tree_function_versioning.
14837 (save_inline_function_body): New function.
14838 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14839 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14840 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14841 (cgraph_default_inline_p): Likewise.
14842 (cgraph_decide_inlining_incrementally): Likewise.
14843 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14844 (copy_bb): Kill saving; do updating of clones.
14845 (copy_cfg_body): Kill saving.
14846 (initialize_inlined-parameters): Likewise.
14847 (expand_call_inline): Likewise.
14848 (save_body): Kill.
14849 (tree_function_versioning): New parameter "update_clones".
14850 (inlining_p): Kill saving.
14851 * tree-inline.h (tree_function_versioning): Update prototype.
14852 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14853 saving.
14855 2006-01-11 Ian Lance Taylor <ian@airs.com>
14857 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14858 Allow undoing set of machine mode.
14859 (do_SUBST): Use enums instead of is_int.
14860 (do_SUBST_MODE): New function.
14861 (SUBST_MODE): New macro.
14862 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14863 reg and trying to replace reg_regno_rtx with a new register.
14864 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14865 (simplify_set): Use SUBST_MODE.
14866 (distribute_notes): Remove code that tried to update reg notes
14867 for regno_reg_rtx changes.
14869 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14871 PR tree-optimization/23109
14872 PR tree-optimization/23948
14873 PR tree-optimization/24123
14875 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14876 * tree-cfg.c (single_noncomplex_succ): New.
14877 * tree-flow.h (single_noncomplex_succ): Declare it.
14878 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14879 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14880 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14881 insert_bb, register_division_in, insert_reciprocals,
14882 replace_reciprocal, free_bb): New.
14883 (execute_cse_reciprocals_1): Rewritten.
14884 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14885 Do not commit any edge insertion. Always compute dominators and
14886 create the allocation pool.
14887 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14888 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14889 * targhooks.c (default_min_divistions_for_recip_mul): New.
14890 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14891 * passes.c (init_optimization_passes): Run recip after tree loop
14892 optimizations.
14893 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14895 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14896 Kenneth Zadeck <zadeck@naturalbridge.com>
14898 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14899 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14900 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14901 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14902 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14903 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14904 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14905 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14906 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14907 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14908 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14909 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14910 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14911 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14912 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14913 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14914 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14915 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14916 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14917 DF_SCAN_POST_ALLOC): New macros.
14918 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14919 df_free_bb_function, df_local_compute_function, df_init_function,
14920 df_dataflow_function, df_confluence_function_0,
14921 df_confluence_function_n, df_transfer_function,
14922 df_finalizer_function, df_free_function, df_dump_problem_function,
14923 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14924 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14925 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14926 df_urec_bb_info, ) New types.
14927 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14928 variables.
14929 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14930 df_analyze_simple_change_some_blocks,
14931 df_analyze_simple_change_one_block, df_compact_blocks,
14932 df_bb_replace, df_bb_regno_last_use_find,
14933 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14934 df_insn_regno_def_p, df_find_def, df_find_use,
14935 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14936 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14937 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14938 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14939 debug_df_chain, df_get_dependent_problem, df_chain_create,
14940 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14941 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14942 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14943 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14944 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14945 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14946 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14947 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14948 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14949 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14950 df_reorganize_refs, df_set_state, df_hard_reg_init,
14951 df_read_modify_subreg_p) New public functions.
14952 * df-core.c: The core dataflow solver and glue routines for rtl
14953 dataflow.
14954 (df_init, df_add_problem, df_set_blocks, df_finish,
14955 df_hybrid_search_forward, df_hybrid_search_backward,
14956 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14957 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14958 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14959 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14960 df_reg_defined, df_find_use, df_reg_used, df_dump,
14961 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14962 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14963 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14964 debug_df_useno, reset_df_after_reload): New functions.
14965 * df-scan.c: The scanning fuctions, once in df.c, completely
14966 rewritten so that they now fully model the functionality of
14967 register usage at the backend.
14968 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14969 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14970 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14971 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14972 df_get_artificial_defs, df_get_artificial_uses,
14973 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14974 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14975 df_refs_delete, df_reorganize_refs, df_set_state,
14976 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14977 df_def_record_1, df_defs_record, df_uses_record,
14978 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14979 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14980 df_record_exit_block_uses, df_hard_reg_init): New functions.
14982 * df-problems.c: Seven concrete dataflow problems that use the
14983 scanning in df-scan.c and are solved by the engine in df-core.c.
14984 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14985 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14986 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14987 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14988 df_ru_free_bb_info, df_ru_alloc,
14989 df_ru_bb_local_compute_process_def,
14990 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14991 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14992 df_ru_transfer_function, df_ru_free, df_ru_dump,
14993 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14994 df_rd_free_bb_info, df_rd_alloc,
14995 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14996 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14997 df_rd_transfer_function, df_rd_free, df_rd_dump,
14998 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14999 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15000 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15001 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15002 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15003 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15004 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15005 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15006 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15007 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15008 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15009 df_urec_mark_reg_use_for_earlyclobber,
15010 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15011 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15012 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15013 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15014 df_chain_create_bb_process_use, df_chain_create_bb,
15015 df_chain_finalize, df_chain_free, df_chains_dump,
15016 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15017 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15018 df_reg_lifetime): New functions.
15019 * df.c: Deleted file.
15020 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15021 consistent with new df api.
15022 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15023 rest_of_handle_sms): Ditto.
15024 * web.c (unionfind_union, union_defs, entry_register, web_main):
15025 Ditto.
15026 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15027 invariant_expr_equal_p, find_defs, check_dependencies,
15028 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15029 free_inv_motion_data, move_loop_invariants): Ditto.
15030 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15031 Update dependencies.
15032 (odf.c): Added defective entry that was deleted later in day.
15033 * sched-deps.c (sched_analyze_1): Ditto.
15035 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15037 * tree-ssa-operands.c (get_expr_operands): Record addressable
15038 variables directly. Do not call add_stmt_operands for CONST_DECLs
15039 and ARRAY_DECLs.
15040 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15041 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15043 2006-01-11 Ben Elliston <bje@au.ibm.com>
15045 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15046 function returns true in the positive case.
15048 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15050 PR target/20754
15051 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15052 for SI, DI, SF and DF modes. Add alternatives to copy between
15053 general and floating point registers to the 32-bit patterns.
15054 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15055 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15056 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15057 generating 64-bit code.
15058 * config/pa/pa.c (output_move_double): Handle copies between general
15059 and floating registers.
15061 2006-01-10 Stuart Hastings <stuart@apple.com>
15063 * config/i386/i386.md (set_got): Update.
15064 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15065 (builtin_setjmp_receiver): Mach-O support.
15066 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15067 (GOT_SYMBOL_NAME): Define.
15068 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15069 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15070 * config/i386/i386.c (override_options): Revise for Darwin.
15071 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15072 support. (darwin_x86_file_end): New. (output_set_got): Add label
15073 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15074 * config/i386/i386-protos.h (output_set_got): Likewise.
15075 * config/darwin.c (machopic_legitimize_pic_address): Update
15076 regs_ever_live[].
15078 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15080 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15081 when MODE isn't BLKmode.
15083 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15085 PR rtl-optimization/25367
15086 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15088 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15090 PR target/25718
15091 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15092 for a negative bound.
15094 2006-01-10 Richard Guenther <rguenther@suse.de>
15096 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15097 Never override with anything constraint.
15099 2006-01-10 Jan Beulich <jbeulich@novell.com>
15101 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15102 256 bits when optimize_size.
15104 2006-01-10 Jan Beulich <jbeulich@novell.com>
15106 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15107 MASK_ALIGN_DOUBLE.
15108 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15109 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15110 arguments.
15112 2006-01-10 Ben Elliston <bje@au.ibm.com>
15114 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15115 float modes.
15116 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15117 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15118 (USE_FP_FOR_ARG): Reject decimal float modes.
15119 (function_arg_advance): Likewise.
15120 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15121 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15122 point types in AltiVec vectors.
15123 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15124 (rs6000_libcall_value): Likewise.
15126 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15128 * config/xtensa/ieee754-df.S: New file.
15129 * config/xtensa/ieee754-sf.S: New file.
15130 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15131 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15132 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15134 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15136 * config/sh/predicates.md (binary_float_operator,
15137 binary_logical_operator, commutative_float_operator,
15138 equality_comparison_operator, greater_comparison_operator,
15139 less_comparison_operator, logical_operator,
15140 noncommutative_float_operator, shift_operator,
15141 symbol_ref_operand, unary_float_operator): Remove redundant
15142 conditionals.
15144 2006-01-09 Jeff Law <law@redhat.com>
15146 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15147 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15148 now unused arguments. Callers updated.
15149 (eliminate_redundant_computations): Remove now unused arguments,
15150 callers updated.
15151 (local_fold): Remove, no longer used.
15152 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15153 and moved to...
15154 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15155 (simplify_cond): New function.
15156 (forward_propagate_into_cond): Call simplify_cond.
15158 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15160 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15161 (*vec_extractv2di_1_sse): New.
15163 2006-01-09 Ben Elliston <bje@au.ibm.com>
15165 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15167 2006-01-08 Richard Guenther <rguenther@suse.de>
15169 * tree-ssa-structalias.c (get_constraint_for): Remove
15170 anyoffset argument.
15171 (get_constraint_for_component_ref): Likewise.
15172 (do_deref): Likewise.
15173 (get_constraint_for): Likewise.
15174 (do_structure_copy): Likewise.
15175 (handle_ptr_arith): Likewise.
15176 (find_func_aliases): Likewise. Remove unused need_anyoffset
15177 variable.
15179 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15180 Kaz Kojima <kkojima@gcc.gnu.org>
15182 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15183 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15184 (EXTRA_CONSTRAINT_C16): Remove.
15185 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15186 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15187 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15188 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15189 constants of SHmedia. Handle nested constant expressions of
15190 SHmedia correctly.
15191 (andcosts): Fix the costs for SHmedia constants.
15192 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15193 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15194 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15195 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15196 (movv4hi_i, movv2si_i): Likewise.
15197 (movsi_const): Adjust the second operand of ior so to match with
15198 the Csu constraint.
15199 (movdi_const, movdi_const_32bit): Likewise.
15200 (movdi_const_16bit+1): Don't sign-extend LOW.
15201 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15202 step.
15203 (*double_shori): Fix the split condition. Use GEN_INT instead
15204 of get_int_mode calls. Mask lower 16-bit of the argument of
15205 the last GEN_INT.
15206 (sym2GOTPLT): Remove.
15207 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15208 gen_rtx_UNSPEC.
15209 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15210 instead of EXTRA_CONSTRAINT_C16.
15212 2006-01-07 Ian Lance Taylor <ian@airs.com>
15213 David Edelsohn <edelsohn@gnu.org>
15215 PR rtl-optimization/25662
15216 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15217 for constant operands instead of simplify_gen_binary.
15218 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15219 after trying simplify_binary_operation
15221 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15223 * tree.c (iterative_hash_expr): Hash decls based on UID.
15225 2006-01-06 Eric Christopher <echristo@apple.com>
15227 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15228 (TARGET_UNWIND_EMIT): Fix spelling.
15229 * target.h (gcc_target): Add except_table_label.
15230 * except.c (output_function_exception_table): Use.
15231 * varasm.c (default_emit_except_table_label): New.
15232 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15233 define.
15234 (asm_out): Add here.
15235 * output.h (default_emit_except_table_label): Prototype.
15236 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15237 * config/darwin.c (darwin_emit_except_table_label): Define.
15238 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15240 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15242 PR tree-optimization/18527
15243 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15244 number_of_iterations_special, number_of_iterations_exit):
15245 Move base and step of an iv to a single structure. Add
15246 no_overflow flag, and use it in # of iterations analysis.
15247 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15248 folded_casts argument.
15249 (simple_iv): Pass base and step in a structure. Set no_overflow
15250 flag.
15251 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15252 Evaluate expensiveness of computing # of iterations instead of
15253 the final expression.
15254 * tree-scalar-evolution.h (affine_iv): New structure.
15255 (simple_iv): Declaration changed.
15256 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15257 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15258 find_givs_in_stmt): Changed due to simple_iv change.
15260 2006-01-06 Jeff Law <law@redhat.com>
15262 PR ada/24994
15263 * tree-cfg.c (bsi_replace): Rename final argument from
15264 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15265 change (stmt -> orig_stmt).
15266 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15267 (bsi_remove): Add new argument. Remove EH information
15268 if requested.
15269 (verify_eh_throw_table_statements): New function.
15270 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15271 updated.
15272 * tree-optimize.c (execute_free_cfg_annotations): Verify
15273 the EH throw statement table after removing annotations.
15274 * except.h (verify_eh_throw_table_statements): Prototype.
15275 * tree-flow.h (bsi_remove): Update prototype.
15276 * tree-vrp.c (remove_range_assertions): Add new argument to
15277 bsi_remove call.
15278 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15279 * tree-complex.c (expand_complex_div_wide): Likewise.
15280 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15281 * tree-tailcall.c (eliminate_tailcall): Likewise.
15282 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15283 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15284 * tree-nrv.c (tree_nrv): Likewise.
15285 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15286 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15287 (combine_blocks): Likewise.
15288 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15289 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15290 (cleanup_control_flow): Likewise.
15291 (remove_forwarder_block): Likewise.
15292 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15293 * tree-sra.c (sra_replace): Likewise.
15294 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15295 (forward_propagate_single_use_vars): Likewise.
15296 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15297 * tree-inline.c (expand_call_inline): Likewise.
15298 * tree-vect-transform.c (vect_transform_loop): Likewise.
15299 * tree-outof-ssa.c (rewrite_trees): Likewise.
15300 * tree-cfg.c (make_goto_expr_edges): Likewise.
15301 (cleanup_dead_labels): Likewise.
15302 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15303 (bsi_move_before, bsi_move_after): Likewise.
15304 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15305 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15307 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15309 PR tree-opt/25528
15310 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15311 and IMAGPART_EXPR.
15312 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15313 on non gimple variables. Also add checks at the top for decls and
15314 mtags.
15315 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15316 complex types.
15317 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15318 and IMAGPART_EXPR for creating MUST_DEFs.
15319 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15320 and NAME_MEMORY_TAG separately from the DECLs.
15322 2006-01-06 Richard Guenther <rguenther@suse.de>
15324 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15325 annotation, if necessary.
15326 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15327 redundant calls to update_stmt.
15328 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15329 Likewise.
15331 2006-01-05 Richard Henderson <rth@redhat.com>
15333 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15335 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15337 * c-typeck.c: Update copyright date.
15339 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15341 * c-typeck.c (build_c_cast): Always warn when casting
15342 from a pointer to an integer of different size, even if
15343 the node was constant.
15345 2006-01-05 Richard Guenther <rguenther@suse.de>
15347 PR tree-optimization/22555
15348 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15349 if one structure field is an array.
15350 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15351 operands even if we found a subvar, but ignore VOPs in this
15352 case.
15353 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15354 for renaming.
15355 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15357 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15359 PR middle-end/24998
15360 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15362 2006-01-05 Richard Guenther <rguenther@suse.de>
15363 Diego Novillo <dnovillo@redhat.com>
15365 * tree-pass.h (TODO_remove_unused_locals): Define.
15366 * gimple-low.c (expand_var_p, remove_useless_vars,
15367 pass_remove_useless_vars): Remove. Update all users.
15368 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15369 (remove_unused_locals): New function.
15370 * tree-flow.h (remove_unused_locals): Declare.
15371 * passes.c (execute_todo): Call remove_unused_locals if
15372 TODO_remove_unused_locals is set.
15373 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15374 * tree-ssa-dce.c (pass_dce): Likewise.
15375 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15377 2006-01-05 Richard Guenther <rguenther@suse.de>
15379 * tree-flow.h (struct fieldoff): Decompose field to
15380 type, size and decl.
15381 * tree-ssa-alias.c (create_sft): Take type as parameter.
15382 (create_overlap_variables_for): Store type, size and decl
15383 in the fieldoff structure.
15384 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15385 of struct fieldoff.
15386 (push_fields_onto_fieldstack): Likewise.
15387 (create_variable_info_for): Likewise. Use offset for the
15388 SFT name if the decl is not available.
15390 2006-01-04 Paul Brook <paul@codesourcery.com>
15392 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15394 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15396 * lambda-code.c (can_put_in_inner_loop): Relax
15397 restrictions.
15398 (can_put_after_inner_loop): New function.
15399 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15400 (perfect_nestify): Change to make copies and modify uses.
15402 2006-01-04 Richard Henderson <rth@redhat.com>
15404 Merge from gomp branch:
15405 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15406 via integer constant.
15407 (pragma_lex): Remove.
15408 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15409 rather than parsing it.
15410 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15411 handle_pragma_extern_prefix): Add %< %> quotes.
15412 (registered_pragmas): New.
15413 (c_register_pragma_1): New.
15414 (c_register_pragma): Use it.
15415 (c_register_pragma_with_expansion): Likewise.
15416 (c_invoke_pragma_handler): New.
15417 (init_pragma): Use cpp_register_deferred_pragma directly for
15418 pch_preprocess.
15419 * c-pragma.h (enum pragma_kind): New.
15420 (pragma_handler): New.
15421 (c_invoke_pragma_handler): Declare.
15422 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15423 CPP_PRAGMA_EOL.
15424 * c-common.h (c_common_pch_pragma): Update decl.
15425 * Makefile.in (c-parser.o): Update dependencies.
15426 (GTFILES): Add c-pragma.h.
15427 * c-parser.c (struct c_token): Add pragma_kind.
15428 (struct c_parser): Add in_pragma.
15429 (c_lex_one_token): Always initialize keyword and pragma_kind.
15430 Extract data for CPP_PRAGMA.
15431 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15432 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15433 Don't allow CPP_PRAGMA_EOL if in_pragma.
15434 (c_parser_consume_pragma): New.
15435 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15436 (c_parser_skip_to_end_of_parameter): Likewise.
15437 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15438 (c_parser_skip_to_pragma_eol): New.
15439 (c_parser_external_declaration): Handle CPP_PRAGMA.
15440 (c_parser_compound_statement_nostart): Likewise.
15441 (c_parser_statement_after_labels): Likewise.
15442 (c_parser_pragma): New.
15443 (pragma_lex): Likewise.
15444 (c_parser_pragma_pch_preprocess): New.
15445 (c_parser_new): Merge into ...
15446 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15448 2006-01-04 Jeff Law <law@redhat.com>
15450 PR ada/24994
15451 * tree-cfg.c (bsi_replace): Remove the original statement
15452 from the EH throw statement table.
15454 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15456 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15457 make the prototype extern "C" and add throw ().
15459 PR target/25554
15460 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15461 and pos non-negative and pos + len <= 32.
15462 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15463 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15464 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15466 PR c/25559
15467 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15468 as well as sizes not multiple of component size.
15470 PR debug/25562
15471 * function.c (instantiate_expr): New function.
15472 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15473 walk its DECL_VALUE_EXPR with instantiate_expr.
15475 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15476 DW_OP_deref{,_size} if address isn't going to be added.
15478 2006-01-04 Ben Elliston <bje@au.ibm.com>
15480 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15481 * config/fp-bit.c: Likewise.
15483 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15485 * dominance.c: Add comment about why we use DFS numbering
15486 of dominance tree.
15488 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15489 Richard Henderson <rth@redhat.com>
15491 Merge from gomp-branch:
15492 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15493 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15495 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15497 PR rtl-optimization/25578
15498 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15499 pass a parameter to simplify_shift_const if changing ASHIFTRT
15500 to LSHIFTRT.
15502 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15504 * builtins.c (get_builtin_sync_mem): New function.
15505 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15506 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15507 Call get_builtin_sync_mem to generate mem rtx.
15509 2006-01-03 Richard Guenther <rguenther@suse.de>
15511 PR c/25183
15512 * stmt.c (add_case_node): Make sure to clear overflow flags
15513 from ranges.
15515 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15517 Merge from gomp-branch.
15518 * config/sparc/sync.md: New file.
15519 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15520 UNSPECV_LDSTUB): New constants.
15521 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15522 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15523 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15524 prototype.
15526 2006-01-03 Roger Sayle <roger@eyesopen.com>
15528 * combine.c (reg_subword_p): New predicate to test whether the
15529 destination of a set refers to a subword/piece of a register.
15530 (try_combine): Generalize the code to merge the setting of a
15531 pseudo to a constant followed by a set of a subword of that
15532 register to a constant.
15534 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15536 * basic-block.h (control_flow_graph): Change the type of
15537 x_label_to_block_map to VEC(basic_block,gc) *.
15538 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15539 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15541 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15542 VEC(basic_block,heap) *.
15543 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15544 ssa_prop_fini): Adjust the uses of cfg_blocks.
15546 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15548 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15549 COMPONENT_REFs.
15550 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15551 hashing trees instead of a pointer hash.
15552 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15553 compare for MEM_EXPR.
15555 PR rtl-optimization/25130
15556 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15557 when comparing MEMs for GCSE
15559 2006-01-03 Ben Elliston <bje@au.ibm.com>
15561 * targhooks.h (default_decimal_float_supported_p): Declare.
15562 * targhooks.c (default_decimal_float_supported_p): Define.
15563 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15564 `default_decimal_float_supported_p'.
15565 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15567 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15569 * combine.c (apply_distributive_law <SUBREG>): Check
15570 TRULY_NOOP_TRUNCATION.
15572 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15574 * dwarf2out.c (have_switched_text_section): Delete.
15575 (have_multiple_function_sections): New.
15576 (have_location_lists): Make 'bool'.
15577 (add_AT_loc_list): Use 'true' not '1'.
15578 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15579 (output_loc_list): Use have_multiple_function_sections.
15580 (output_ranges): Likewise.
15581 (dwarf2out_begin_function): Set have_multiple_function_sections if
15582 necessary.
15583 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15584 Check function_section rather than DECL_SECTION_NAME.
15585 (dwarf2out_finish): Use have_multiple_function_sections.
15586 Don't clear have_location_lists.
15588 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15589 Jan Hubicka <jh@suse.cz>
15591 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15592 case of conditional jump jumping to the next instruction.
15593 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15594 cases of conditional jump jumping to the next instruction.
15596 2006-01-02 Jan Hubicka <jh@suse.cz>
15598 * i386.c (*_cost): Add COSTS_N_INSNS.
15599 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15601 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15603 PR target/25259
15604 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15606 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15608 * config/arm/arm.c (all_fpus): Fix comment typo.
15609 * config/darwin.c: Likewise.
15610 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15611 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15612 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15614 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15616 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15617 (rs6000_split_compare_and_swapqhi): New.
15618 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15619 (sync_compare_and_swapqhi_internal): New.
15620 * config/rs6000/rs6000-protos.h: Declare.