1 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3 * configure.ac: Added pdf to "Make-hooks"
4 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
5 targets and *.pdf file patterns in cleanup targets.
6 * configure: Regenerated.
8 2006-10-10 Anatoly Sokolov <aesok@post.ru>
10 * config/avr/predicates.md: New file.
11 * config/avr/avr.md: Include it.
12 (REG_SP): New constant.
13 (peepholes): Use predicates.
14 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
15 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
16 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
18 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
20 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
23 2006-10-10 Jakub Jelinek <jakub@redhat.com>
26 * builtins.c (var_decl_component_p): New function.
27 (fold_builtin_memset, fold_builtin_memory_op): Restrict
28 single entry optimization to variables and components thereof.
30 2006-10-10 Richard Guenther <rguenther@suse.de>
32 PR rtl-optimization/29323
33 * except.c (set_nothrow_function_flags): For functions
34 that do not bind local bail out early.
36 2006-10-10 Ben Elliston <bje@au.ibm.com>
38 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
41 2006-10-09 Richard Henderson <rth@redhat.com>
45 2006-10-09 Richard Guenther <rguenther@suse.de>
48 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
51 2006-10-09 Steve Ellcey <sje@cup.hp.com>
54 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
55 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
56 * configure: Regenerate.
57 * config.in: Regenerate.
59 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
61 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
63 2006-10-08 Richard Sandiford <richard@codesourcery.com>
65 * config/mips/mips.c (mips_legitimize_tls_address): Implement
66 all TLS models in the same way as local exec if !TARGET_ABICALLS.
69 2006-10-08 Richard Sandiford <richard@codesourcery.com>
71 * config/mips/mips.c (mips_classify_symbol): Do not return
72 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
73 (mips_in_small_data_p): Tweak comments.
75 2006-10-08 Richard Sandiford <richard@codesourcery.com>
77 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
79 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
81 * gimplify.c, sched-int.h: Fix comment typos.
83 * sched-int.h: Fix comment typos.
85 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
87 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
89 * sched-ebb.c (begin_schedule_ready): Use them.
90 * haifa-sched.c (schedule_insn, move_insn, try_ready,
91 add_to_speculative_block, create_check_block_twin, speculate_insn,
92 fix_jump_move, move_block_after_check): Ditto.
93 * sched-rgn.c (new_ready): Ditto.
95 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
97 PR rtl-optimization/29128
98 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
99 * sched-ebb.c (advance_target_bb): Use it to fix condition to
100 allow interblock movement of speculation checks.
102 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
105 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
106 casted to integer type.
107 (get_address_cost): Decrease cost of [symbol + index] addressing modes
108 if they are significantly more expensive than [reg + index] ones.
110 2006-10-06 Jakub Jelinek <jakub@redhat.com>
112 PR tree-optimization/29330
113 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
114 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
115 on newly allocated ddrs.
116 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
117 to VEC (loop_p, heap) pointer.
118 (compute_data_dependences_for_loop): Adjust caller.
119 (free_dependence_relations): Free DDR_LOOP_NEST.
121 * tree-loop-linear.c (linear_transform_loops): Don't forget to
122 free DEPENDENCE_RELATIONS and DATAREFS.
125 * builtins.c (expand_builtin_sync_operation,
126 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
127 Use convert_to_mode to handle promoted arguments.
129 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
131 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
133 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
135 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
137 2006-10-05 Uros Bizjak <uros@kss-loka.si>
139 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
140 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
141 Use <modeconstraint> instead of "r" as operand 1 constraint.
143 2006-10-06 Olivier Hainque <hainque@adacore.com>
145 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
146 Don't recurse on the pointed-to type.
147 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
148 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
149 types with components of variable size.
151 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
153 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
155 2006-10-06 Jakub Jelinek <jakub@redhat.com>
157 PR tree-optimization/29290
158 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
162 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
163 * config/i386/predicates.md (local_symbolic_operand): Likewise.
166 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
167 the number of vector elements fill the rest with zeros.
169 2006-10-05 Richard Sandiford <richard@codesourcery.com>
171 * config/mips/mips.c (mips_pass_by_reference): Do not return false
172 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
175 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
177 * config/bfin/bfin.md (subsi3): Lose expander, change previously
178 unnamed pattern into subsi3. Use correct constraints/predicates.
179 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
180 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
182 2006-10-05 Ira Rosen <irar@il.ibm.com>
184 * doc/loop.texi: Add data references analysis description.
186 2006-10-04 Brooks Moses <bmoses@stanford.edu>
188 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
190 2006-10-04 Richard Henderson <rth@redhat.com>
191 Jakub Jelinek <jakub@redhat.com>
193 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
194 * builtin-types.def (BT_WORD): Make unsigned.
195 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
196 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
197 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
198 * c-decl.c (grokdeclarator): Don't error if !have_tls.
199 * c-parser.c (c_parser_omp_threadprivate): Likewise.
200 * cgraph.c (decide_is_variable_needed): Look at force_output.
201 Recurse for emulated tls.
202 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
203 checks redundant with decide_is_variable_needed.
204 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
205 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
207 * expr.c (emutls_var_address): New.
208 (expand_expr_real_1): Expand emulated tls.
209 (expand_expr_addr_expr_1): Likewise.
210 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
211 * output.h (emutls_finish): Declare.
212 * toplev.c (compile_file): Call it.
213 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
214 address before wrapping in CONST.
215 * varasm.c (emutls_htab, emutls_object_type): New.
216 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
217 (get_emutls_object_name, get_emutls_object_type): New.
218 (get_emutls_init_templ_addr, emutls_decl): New.
219 (emutls_common_1, emutls_finish): New.
220 (assemble_variable): When emulating tls, swap decls; generate
221 constructor for the emutls objects.
222 (do_assemble_alias): When emulating tls, swap decl and target name.
223 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
225 * emutls.c: New file.
226 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
227 tls_object for real tls.
229 2006-10-04 Zack Weinberg <zackw@panix.com>
231 Fix bug in constraint-check generator, reported by Rask Ingemann
233 * genpreds.c (add_constraint): Don't remove anything from the
235 (write_tm_constrs_h): Detect whether "op" argument is used, and
236 mark it ARG_UNUSED if it isn't.
237 (write_insn_const_int_ok_for_constraint): Skip the part of the
238 expression that would test whether "op" (which is not available
239 here) is a CONST_INT.
241 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
244 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
246 2006-10-03 Geoffrey Keating <geoffk@apple.com>
248 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
249 current Leopard versions.
250 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
252 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
254 * doc/install.texi: Fix typos.
256 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
258 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
259 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
260 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
262 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
264 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
265 arg to be struct mach_header_64* instead.
267 2006-10-02 Jakub Jelinek <jakub@redhat.com>
270 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
271 side effects after the outer expression's post side effects.
273 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
275 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
276 comments to reflect actual behavior and relationship between
277 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
279 * doc/c-tree.texi (Working with declarations): Fix documentation
280 of FIELD_DECL likewise.
282 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
285 * doc/extend.texi: Add used variable attribute description.
287 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
290 * c.opt (Woverride-init): New.
291 * c-opts.c (c_common_post_options): Default warn_override_init to
293 * c-typeck.c (add_pending_init, output_init_element): Warn for
294 overriding initializers without side effects.
295 * doc/invoke.texi (-Woverride-init): Document.
298 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
300 PR rtl-optimization/28096
301 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
302 assignment has already been used as a destination earlier in the block.
304 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
306 * builtins.c (expand_builtin_setjmp): Delete.
307 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
308 <BUILT_IN_SETJMP_SETUP>: New case.
309 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
310 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
311 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
312 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
313 (BUILT_IN_SETJMP_RECEIVER): Likewise.
314 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
315 (lower_function_body): Initialize it to false. If it is set to true
316 at the end of the processing, emit the setjmp dispatcher.
317 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
318 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
319 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
320 on the rhs of the assignment.
321 (lower_builtin_setjmp): New function.
322 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
323 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
324 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
325 to detect calls that can go to non-local labels. Use specific
326 helper to create the abnormal edges associated with them.
327 <MODIFY_EXPR>: Likewise.
328 (make_abnormal_goto_edges): New function extracted from...
329 (make_goto_expr_edges): ...here. Call it for computed gotos.
330 (simple_goto_p): Minor tweak.
331 (tree_can_make_abnormal_goto): New predicate.
332 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
333 (tree_purge_dead_abnormal_call_edges): New function.
334 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
335 (tree_purge_dead_abnormal_call_edges): Likewise.
336 (make_abnormal_goto_edges): Likewise.
337 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
338 Purge all dead abnormal edges if the call was in the last statement.
339 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
340 (execute_fixup_cfg): If there are non-local labels in the function,
341 scan the basic blocks and split them at calls that can go to non-local
342 labels or add missing abnormal call edges. Write down the CFG in the
344 (pass_fixup_cfg): Remove TODO_dump_func flag.
345 * unwind-sjlj.c: Poison setjmp.
346 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
347 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
348 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
349 (DONT_USE_BUILTIN_SETJMP): Document it.
351 2006-09-28 Geoffrey Keating <geoffk@apple.com>
354 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
355 to 1 when __ppc64__ is defined.
356 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
358 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
360 2006-09-28 Steve Ellcey <sje@cup.hp.com>
362 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
363 * config/ia64/unwind-hpux.c: Delete.
365 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
367 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
368 on the element before gimplifying it, instead of punting if it is of
371 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
373 * doc/loop.texi: New file.
374 * doc/gccint.texi: Reference loop.texi.
375 * Makefile.in (loop.texi): Add.
377 2006-09-27 Geoffrey Keating <geoffk@apple.com>
379 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
381 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
382 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
384 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
386 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
388 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
390 * doc/install.texi: Document required versions of GMP and MPFR.
392 2006-09-27 Paul Brook <paul@codesourcery.com>
395 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
397 2006-09-27 Richard Sandiford <richard@codesourcery.com>
399 * reload1.c (alter_reg): Require the alignment of the stack slot to
400 be at least reg_max_ref_width bytes.
401 (scan_paradoxical_subregs): Record the largest width in
404 2006-09-26 Jakub Jelinek <jakub@redhat.com>
408 * tree-nested.c (struct nesting_info): Added static_chain_added.
409 (convert_call_expr): Set static_chain_added when adding static
410 chain. Handle OMP_PARALLEL and OMP_SECTION.
412 2006-09-25 Matthias Klose <doko@debian.org>
414 * doc/invoke.texi: Add missing full stop.
416 2006-09-25 Richard Henderson <rth@redhat.com>
418 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
419 before cgraph_function_flags_ready.
421 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
422 Adam Nemet <anemet@caviumnetworks.com>
424 * tree-ssa-loop-ivopts.c (aff_combination_convert,
425 determine_common_wider_type): New functions.
426 (get_computation_aff): Use them to simplify arithmetic between
427 UBASE and CBASE if they are shortened from the same type.
429 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
432 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
433 -2147483647 - 1 instead of 0x80000000.
435 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
437 * flags.h (HONOR_NANS): Fix typo in comment.
439 2006-09-23 Uros Bizjak <uros@kss-loka.si>
441 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
443 2006-09-23 Jakub Jelinek <jakub@redhat.com>
447 * tree.c (merge_attributes, attribute_list_contained): If both
448 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
450 * c-typeck.c (comptypes_internal): Don't consider aggregates
451 in different TUs as compatible if there one set of attributes is
452 not a subset of the other type's attributes.
453 (composite_type): Try harder not to create a new aggregate type.
455 2006-09-22 Geoffrey Keating <geoffk@apple.com>
457 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
458 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
459 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
460 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
461 than replicating condition above.
462 * config.host (i[34567]86-*-*): Always use driver-i386.o.
464 * config/darwin.h (LINK_SYSROOT_SPEC): New.
465 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
466 the linker by default.
468 2006-09-22 Mike Stump <mrs@apple.com>
470 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
473 2006-09-22 Richard Guenther <rguenther@suse.de>
476 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
477 sort of stack variables stable.
479 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
482 * explow.c (force_reg): Set REG_POINTER flag according to
485 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
487 PR tree-optimization/28888
488 * tree-if-conv.c (combine_blocks): Rewritten.
489 * tree-cfg.c (tree_verify_flow_info): Check that edges with
490 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
492 2006-09-22 Jakub Jelinek <jakub@redhat.com>
494 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
497 2006-09-21 Richard Sandiford <richard@codesourcery.com>
499 * varasm.c (copy_constant): Fix reversed gcc_assert check.
501 2006-09-21 Janis Johnson <janis187@us.ibm.com>
503 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
505 2006-09-21 Roger Sayle <roger@eyesopen.com>
508 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
509 dw_fde_current_label, to be the start of the function, i.e. the same
510 value as dw_fde_begin.
512 2006-09-20 Richard Sandiford <richard@codesourcery.com>
514 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
515 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
516 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
517 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
518 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
519 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
520 (abs<mode>2, neg<mode>2): Likewise.
521 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
522 (*mips_abs_ps): New define_insn.
524 2006-09-20 Josh Conner <jconner@apple.com>
527 * calls.c (expand_call): Allow reuse of structure return stack
530 2006-09-20 Paul Brook <paul@codesourcery.com>
532 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
535 2006-09-20 Janis Johnson <janis187@us.ibm.com>
537 * doc/extend.texi (Decimal Float): Update for latest draft TR,
538 clean up terminology.
540 2006-09-20 Steve Ellcey <sje@cup.hp.com>
543 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
544 with tablejumps in them.
546 2006-09-20 Jakub Jelinek <jakub@redhat.com>
549 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
550 wrap it into TARGET_EXPR.
552 2006-09-20 Eric Christopher <echristo@apple.com>
554 * config/i386/i386.c (x86_fisttp): Remove.
555 * config/i386/i386.h (x86_fisttp): Ditto.
556 (TARGET_FISTTP): Ditto.
558 2006-09-19 Eric Christopher <echristo@apple.com>
560 * doc/tm.texi (OBJC_JBLEN): Describe.
561 * config/i386/darwin.h (OBJC_JBLEN): Define.
562 * config/rs6000/darwin.h: Ditto.
564 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
566 PR rtl-optimization/21299
567 * reload1.c (reload): Purge invalid ASMs in the final pass.
569 2006-09-19 Steve Ellcey <sje@cup.hp.com>
572 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
573 pointers as legitimate constants.
575 2006-09-19 Paul Brook <paul@codesourcery.com>
578 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
580 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
582 PR tree-optimization/28887
583 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
584 component parts from the reference.
585 (gather_memory_references_ref): Record the reference without the
586 nonaddressable component parts.
588 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
591 * c-opts.c (c_common_handle_option): Ignore the -std options
592 if the input language is assembly.
594 2006-09-17 Ira Rosen <irar@il.ibm.com>
597 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
599 (ptr_ptr_may_alias_p): Likewise.
600 (record_record_differ_p): New function.
601 (base_object_differ_p): Call record_record_differ_p.
603 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
606 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
607 away for the expr argument.
609 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
612 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
613 before using it for dumping after vectorizing loops.
615 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
616 Jack Howarth <howarth@bromo.med.uc.edu>
619 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
620 skip on error_mark_node.
621 (rs6000_darwin64_record_arg_recurse): Likewise.
623 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
625 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
626 * doc/rtl.texi: Remove related documentation.
628 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
630 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
633 2006-09-15 Jim Wilson <wilson@specifix.com>
635 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
636 Handle symbol offsets same as they are handled in ia64_expand_move
639 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
641 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
642 Add forgotten parameter to the fprintf call.
644 2006-09-15 Steve Ellcey <sje@cup.hp.com>
646 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
648 2006-09-15 Uros Bizjak <uros@kss-loka.si>
650 * doc/contrib.texi: Add my entry.
652 2006-09-15 Nick Clifton <nickc@redhat.com>
654 * doc/md.texi (Processor pipeline description): Fix typo in
655 example of how to use the absence_set directive and reword the
656 description to make it slightly easier to read.
658 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
660 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
661 * loop-doloop.c (doloop_optimize): Use it to limit costs of
662 expanding the number of iterations.
663 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
665 * cfgrtl.c (emit_insn_at_entry): New function.
666 * rtl.h (emit_insn_at_entry): Declare it.
667 * integrate.c (emit_initial_value_sets): Use it.
669 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
671 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
673 (struct loop_work and related VEC declarations): Delete.
674 (bfin_dump_loops): Print out new member bad.
675 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
676 (bfin_scan_loop): Don't recurse.
677 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
678 loops. No longer need to update outer loops if the current one is
679 found bad. Move some validitiy checks to bfin_discover_loop.
680 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
681 but changed not to check for nesting. Also changed to use the new bad
683 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
684 time. Use bitmap based test to discover loop nesting.
686 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
688 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
691 2006-09-14 Richard Guenther <rguenther@suse.de>
692 Kazu Hirata <kazu@codesourcery.com>
695 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
696 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
697 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
698 with TARGET_FUNCTION_VALUE.
700 2006-09-14 Anatoly Sokolov <aesok@post.ru>
703 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
705 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
707 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
710 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
713 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
716 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
718 * basic_block.h (bb_has_eh_pred): Fix comment.
720 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
722 * flow.c (calculate_global_regs_live): Invalidate eh registers
723 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
724 (propagate_block): Handle eh registers as if they were set at basic
726 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
728 * global.c (global_conflicts): Make eh registers to conflict with
729 pseudos live at basic block begin.
730 * basic_block.h (bb_has_eh_pred): New function.
732 2006-09-13 Richard Sandiford <richard@codesourcery.com>
734 PR rtl-optimization/28982
735 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
736 index of a PRE_MODIFY or POST_MODIFY address.
737 * reload1.c (inc_for_reload): Use find_replacement on the original
738 base and index registers.
740 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
742 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
743 for -Os. Update __m128 alignment requirement.
745 2006-09-13 Jan Hubicka <jh@suse.cz>
747 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
749 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
751 PR rtl-optimization/28243
752 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
753 the insn to which the note was originally attached.
755 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
756 Roger Sayle <roger@eyesopen.com>
758 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
759 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
760 on platforms that don't use dwarf for debug info.
762 2006-09-12 Jason Merrill <jason@redhat.com>
765 * builtins.c (expand_builtin_setjmp_receiver): Clobber
766 hard_frame_pointer_rtx after using it to update the frame pointer.
768 2006-09-12 Roger Sayle <roger@eyesopen.com>
770 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
771 (TARGET_ASM_CLOSE_PAREN): Likewise.
772 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
773 (TARGET_ASM_CLOSE_PAREN): Likewise.
775 2006-09-12 Roger Sayle <roger@eyesopen.com>
778 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
779 frame information for frames larger than 512 Kbytes on Tru64 when
780 using the native assembler.
782 2006-09-12 Roger Sayle <roger@eyesopen.com>
786 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
787 and symbols. Instead use the implementation from cse.c's hash_rtx.
789 2006-09-12 Jan Hubicka <jh@suse.cz>
791 PR rtl-optimization/28071
792 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
793 (vect_transform_loop): Likewise.
794 * tree-vectorizer.c (new_loop_vec_info): Likewise.
795 (new_loop_vec_info): Likewise.
796 (destroy_loop_vec_info): Likewise.
797 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
798 (create_stmt_ann): Likewise.
799 (create_tree_ann): Rename to ...
800 (create_tree_common_ann): ... this one; allocate only the common part
802 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
803 (get_value_handle): Likewise.
804 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
806 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
807 (vinfo_for_stmt): Use stmt annotations.
808 * tree-flow.h (tree_ann_common_t): New type.
809 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
810 (tree_ann, get_tree_ann, create_tree_ann): New.
811 * tree-flow-inline.h (get_function_ann): Do more type checking.
812 (stmt_ann): Likewise.
813 (tree_ann): Rename to ...
814 (tree_common_ann): ... this one; return ony common_ann
815 (get_tree_ann): Rename to ...
816 (tree_common_ann): This one; return only common_ann.
817 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
820 2006-09-11 Geoffrey Keating <geoffk@apple.com>
822 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
825 * dwarf2out.c (dwarf_file_data): New.
826 (enum dw_val_class): Add dw_val_class_file.
827 (struct dw_val_struct): Add val_file.
828 (file_table): Change to a hash table.
829 (file_table_emitted): Delete.
830 (file_table_last_lookup_index): Delete.
832 (last_emitted_file): New.
833 (lookup_filename): Change prototype to return a struct dwarf_file_data.
834 (init_file_table): Delete.
835 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
836 (AT_addr): Add comment.
840 (print_die): Handle dw_val_class_file.
841 (print_dwarf_line_table): Update for new file table structure.
842 (attr_checksum): Do checksum a filename.
843 (same_dw_val_p, same_attr_p): Do compare a filename.
844 (size_of_die): Handle dw_val_class_file.
845 (value_format): Likewise.
846 (output_die): Likewise. Also, call maybe_emit_file here.
847 (struct file_info): Constify filenames. Make file_idx a pointer
848 to a struct dwarf_file_data.
849 (struct dir_info): Constify directory names. Remove 'used' field.
850 (struct file_name_acquire_data): New.
851 (file_name_acquire): New.
852 (output_file_names): Modify to handle new file data structures.
853 (add_src_coords_attributes): Use add_AT_file.
854 (add_call_src_coords_attributes): Likewise.
855 (dwarf2out_imported_module_or_decl): Likewise.
856 (gen_subprogram_die): Modify for new file data structures.
857 (gen_variable_die): Likewise.
858 (file_table_eq): New.
859 (file_table_hash): New.
860 (file_table_last_lookup): New.
861 (lookup_filename): Rewrite to handle new file data structures.
862 (maybe_emit_file): Rewrite to handle new file data structures.
863 (dwarf2out_source_line): Always call lookup_filename and
865 (dwarf2out_init): Create file_table here.
866 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
867 (file_table_relative_p): New.
868 (dwarf2out_finish): Change detection of relative filenames
869 to work with new file data structures. Move output_line_info call
870 after debug_info output.
872 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
877 * config/i386/i386.c (override_options): Always default to 16
880 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
883 * var-tracking.c (dump_dataflow_set): Start dumping at
885 (clobber_variable_part): Kill only the variable part in
886 registers holding it, leaving other variables alone.
888 2006-09-11 Josh Triplett <josh@freedesktop.org>
890 * doc/extend.texi (Other Builtins): Actually use the macro
891 argument in the documentation example for
892 __builtin_types_compatible_p.
894 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
896 PR rtl-optimization/28726
897 * sched-deps.c (sched_analyze_reg): New function extracted from...
898 (sched_analyze_1): ...here. Call it to analyze references to
899 registers. Treat again writes to a stack register as writing to the
901 (sched_analyze_2): ...and here. Call it to analyze references to
902 registers. Treat again reads of a stack register as reading the
905 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
906 David Edelsohn <edelsohn@gnu.org>
909 * config/rs6000/spe.md (frob_df_di): Remove %H.
910 (frob_di_df): Remove %H. Change evmergelo to mr.
911 (frob_di_df_2): Remove %H. Change evldd to two loads.
913 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
915 * doc/cpp.texi: Fix names of charset options.
917 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
920 * config/i386/i386.c (override_options): Use 128-bit
921 stack boundary always for 64bits.
923 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
925 PR rtl-optimization/28636
926 * combine.c (force_to_mode): Test for side-effects before
927 substituting by zero.
928 (simplify_shift_const): Likewise for zero or other constants.
930 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
933 * builtins.c (expand_builtin_setjmp): Force next_lab to be
936 2006-09-10 Richard Sandiford <richard@codesourcery.com>
939 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
940 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
941 returned by mode_for_size, rather than the mode of src itself,
942 to choose between 32-bit and 64-bit patterns.
943 (mips_mem_fits_mode_p): New function.
944 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
945 that the size of the source matches the size of the destination.
946 (mov_<store>l, mov_<store>r): Likewise.
948 2006-09-10 Eric Christopher <echristo@apple.com>
950 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
953 2006-09-09 Eric Christopher <echristo@apple.com>
956 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
959 2006-09-09 Roger Sayle <roger@eyesopen.com>
960 Nicolas Setton <setton@adacore.com>
962 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
964 2006-09-10 Andreas Schwab <schwab@suse.de>
966 * config/m68k/m68k.md (bungt_rev): New pattern.
968 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
969 Dale Johannesen <dalej@apple.com>
972 * regclass.c (struct reg_pref): Update documentation.
973 (regclass): Set prefclass to NO_REGS if memory is the best option.
974 (record_reg_classes): Cope with a prefclass set to NO_REGS.
976 2006-09-08 Eric Christopher <echristo@apple.com>
978 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
979 * config/t-slibgcc-darwin: Support x86_64 multilib.
980 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
981 Return 1 for x86_64-darwin.
982 * config/i386/t-darwin: Add m64 multilib.
983 (LIB2_SIDITI_CONV_FUNCS): Use.
984 (LIB2FUNCS_EXTRA): Ditto.
985 * config/i386/darwin.h: Support x86_64.
986 * config/i386/i386.c (override_options): Turn on flag_pic
987 for x86_64-darwin. Disable flag_omit_pointer.
988 (get_pc_thunk_name): Assert !TARGET_64BIT.
989 (legitimate_address_p): Disable machopic addressing for
991 (legitimize_pic_address): Ditto.
992 (ix86_expand_move): Ditto.
993 (ix86_expand_call): Ditto.
994 (machopic_output_stub): Ditto.
995 * config/darwin.c (machopic_select_section): Support literal16.
996 (machopic_select_rtx_section): Ditto.
997 * config/darwin-sections.def: Ditto.
998 * config/darwin-64.c: New.
1000 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1003 * c-tree.h (struct c_arg_info): Add pending_sizes.
1004 * c-parser.c (c_parser_parms_declarator,
1005 c_parser_parms_list_declarator): Initialize pending_sizes.
1006 * c-decl.c (get_parm_info): Initialize pending_sizes.
1007 (get_parm_info): Set pending_sizes.
1008 (grokdeclarator): Call put_pending_sizes for parameters for
1009 function definition only.
1011 2006-09-07 Jason Merrill <jason@redhat.com>
1014 * varasm.c (output_constant): Only strip actual no-op conversions.
1017 * config/i386/i386.c (override_options): Use 128-bit
1018 stack boundary if -msse.
1020 2006-09-07 Eric Christopher <echristo@apple.com>
1022 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1024 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1027 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1029 * dwarf2out.c: Remove strange characters from comment above
1030 dwarf2out_frame_debug_expr.
1032 2006-09-07 Eric Christopher <echristo@apple.com>
1034 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1035 * config/darwin.h: ... to here.
1037 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1039 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1041 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1042 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1044 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1045 TARGET_PARTIAL_FLAG_REG_STALL.
1046 (*ashldi3_cconly_rex64): Likewise.
1047 (*ashlsi3_cmp): Likewise.
1048 (*ashlsi3_cconly): Likewise.
1049 (*ashlsi3_cmp_zext): Likewise.
1050 (*ashlhi3_cmp): Likewise.
1051 (*ashlhi3_cconly): Likewise.
1052 (*ashlqi3_cmp): Likewise.
1053 (*ashlqi3_cconly): Likewise.
1054 (*ashrdi3_cmp_rex64): Likewise.
1055 (*ashrdi3_cconly_rex64): Likewise.
1056 (*ashrsi3_cmp): Likewise.
1057 (*ashrsi3_cconly): Likewise.
1058 (*ashrsi3_cmp_zext): Likewise.
1059 (*ashrhi3_cmp): Likewise.
1060 (*ashrhi3_cconly): Likewise.
1061 (*ashrqi3_cmp): Likewise.
1062 (*ashrqi3_cconly): Likewise.
1063 (*lshrdi3_cmp_rex64): Likewise.
1064 (*lshrdi3_cconly_rex64): Likewise.
1065 (*lshrsi3_cmp): Likewise.
1066 (*lshrsi3_cconly): Likewise.
1067 (*lshrsi3_cmp_zext): Likewise.
1068 (*lshrhi3_cmp): Likewise.
1069 (*lshrhi3_cconly): Likewise.
1070 (*lshrqi2_cmp): Likewise.
1071 (*lshrqi2_cconly): Likewise.
1073 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1076 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1077 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1078 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1079 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1080 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1081 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1082 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1083 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1084 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1085 implement only CC setting effects of shift instructions.
1087 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1089 * doc/contrib.texi: Add myself.
1091 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1094 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1095 was set by the user.
1097 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1100 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1101 (divsi_inv_m1): Use them.
1102 (UNSPEC_DIV_INV_TABLE): New constant.
1104 2006-09-06 James E Wilson <wilson@specifix.com>
1107 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1108 then call count_or_remove_death_notes.
1110 2006-09-06 Jason Merrill <jason@redhat.com>
1113 * tree-inline.c (copy_result_decl_to_var): New fn.
1114 (declare_return_variable): Use it. Call declare_inline_vars here.
1115 (expand_call_inline): Not here.
1117 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1119 * doc/contrib.texi: Update my entry.
1121 2006-09-06 Nick Clifton <nickc@redhat.com>
1123 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1125 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1128 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1129 (canonicalize_induction_variables): Likewise.
1130 (tree_unroll_loops_completely): Likewise.
1131 (tree_ssa_prefetch_arrays): Likewise.
1132 (remove_empty_loops): Likewise.
1133 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1134 TODO_cleanup_cfg instead of directly calling
1135 cleanup_tree_cfg_loop.
1136 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1138 (tree_unroll_loops_completely): Likewise.
1139 (remove_empty_loops): Likewise.
1140 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1141 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1142 of tree_ssa_unswitch_loops.
1143 (tree_ssa_loop_ivcanon): Use the return value of
1144 canonicalize_induction_variables.
1145 (tree_ssa_empty_loop): Use the return value of
1147 (tree_complete_unroll): Use the return value of
1148 tree_unroll_loops_completely.
1149 (tree_ssa_loop_prefetch): Use the return value of
1150 tree_ssa_prefetch_arrays.
1151 * passes.c (execute_todo): Before Cleanup CFG, set
1152 updating_used_alone and after cleanup CFG, call
1153 recalculate_used_alone.
1155 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1158 * tree-vect-transform.c (vectorizable_condition): Move the check
1159 for the type after the check for simple condition.
1161 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1162 Kaz Kojima <kkojima@gcc.gnu.org>
1165 * mode-switching.c (optimize_mode_switching): Make the destination
1166 block of an abnormal edge have no anticipatable mode. Don't
1167 insert mode switching code at the end of the source block of
1170 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1172 PR rtl-optimization/26847
1173 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1174 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1175 (simplify_plus_minus): Count n_constants while filling ops. Replace
1176 qsort with insertion sort. Before going through the array to simplify
1177 pairs, sort it. Delay early exit until after the first sort, exiting
1178 only if no swaps occurred. Simplify pairs in reversed order, without
1179 special-casing the first iteration. Pack ops after simplifying pairs.
1181 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1183 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1184 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1185 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1186 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1188 2006-09-05 Richard Guenther <rguenther@suse.de>
1190 PR tree-optimization/28900
1191 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1192 compound conditional before creating COND_EXPR condition.
1194 2006-09-05 Richard Guenther <rguenther@suse.de>
1196 PR tree-optimization/28905
1197 * tree-vrp.c (fix_equivalence_set): Manually implement
1198 !value_ranges_intersect_p to also handle symbolic ranges.
1200 2006-09-05 Richard Guenther <rguenther@suse.de>
1203 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1206 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1208 PR rtl-optimization/27616
1209 * cse.c (table_size): New static variable.
1210 (new_basic_block): Initialize it to 0.
1211 (remove_from_table): Decrement it.
1212 (insert): Increment it.
1213 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1214 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1215 fold_rtx_mem_1 if under the cap.
1216 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1217 the lookup of the equivalent expression and test for equality of the
1218 first operand of the equivalent expression before in turn looking up
1219 an equivalent constant for the second operand.
1221 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1224 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1225 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1226 pointer, instead of assuming it is possible to derive the
1227 correct args size from a call insn.
1229 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1232 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1233 (fold_builtin_mempcpy): Rename to...
1234 (fold_builtin_memory_op): ... this. Optimize one element copy
1236 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1238 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1239 (expand_builtin_memcpy, expand_builtin_mempcpy,
1240 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1241 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1242 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1243 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1245 2006-09-01 DJ Delorie <dj@redhat.com>
1247 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1248 (stzx_16): Likewise.
1249 ("stzx_24_<mode>"): Likewise.
1250 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1251 ("cmp<mode>_op"): New.
1252 (cmp<mode>): Change to expander; just save operands.
1254 (b<code>): Change to expander, emit compare here.
1255 (s<code>_op): Change to use split and expander.
1256 (s<code>_24_op): Likewise.
1257 (s<code>_<mode>): New.
1258 (s<code>_<mode>_24): New.
1259 (movqicc_<code>_<mode): New.
1260 (movhicc_<code>_<mode>): New.
1263 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1264 (m32c_pend_compare): New.
1265 (m32c_unpend_compare): New.
1266 (m32c_expand_scc): New.
1267 (m32c_expand_movcc): Emit the compare also.
1268 * config/m32c/predicates.md (mra_nopp_operand): New.
1270 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1271 Richard Guenther <rguenther@suse.de>
1272 Adam Nemet <anemet@caviumnetworks.com>
1275 * builtins.c (get_pointer_alignment): Handle more forms
1276 of base addresses that can be used to derive more precise
1277 information about alignment.
1279 2006-09-01 Jason Merrill <jason@redhat.com>
1282 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1285 * gimplify.c (voidify_wrapper_expr): Handle null type.
1287 2006-09-01 Josh Conner <jconner@apple.com>
1290 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1291 (execute_return_slot_opt): Use it.
1293 2006-08-31 Josh Conner <jconner@apple.com>
1296 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1297 returning aggregates.
1299 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1301 PR tree-optimization/28839
1302 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1303 blocks in that phi arguments appear.
1305 2006-08-31 Roger Sayle <roger@eyesopen.com>
1308 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1309 NULL, otherwise use an advance_loc4 to adjust relative to the
1311 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1312 (dwarf2out_switch_text_section): Reset the current label to avoid
1313 using advance_loc4 over section boundaries.
1315 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1318 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1319 r12 + SYMBOLIC_CONST.
1321 2006-08-30 Richard Guenther <rguenther@suse.de>
1323 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1325 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1327 PR rtl-optimization/27735
1328 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1329 Add new argument to keep track of whether an irreducible region
1330 was affected. All callers changed.
1331 (fix_irreducible_loops): Removed.
1332 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1333 flags were invalidated.
1335 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1337 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1338 instead of SF operands.
1339 (*fop_df_comm_sse): Likewise.
1340 (*fop_df_comm_i387): Likewise.
1341 (*fop_df_1_mixed): Likewise.
1342 (*fop_df_1_sse): Likewise.
1344 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1345 J"orn Rennecke <joern.rennecke@st.com>
1347 PR tree-optimization/17506
1348 * tree-ssa.c (warn_uninit): If warning about a location outside of
1349 the current function, note where the variable was declared.
1351 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1353 PR tree-optimization/28411
1354 * double-int.c (double_int_div): Use double_int_divmod.
1355 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1356 double_int_mod, double_int_smod, double_int_umod): New functions.
1357 * double-int.h (double_int_divmod, double_int_sdivmod,
1358 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1360 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1362 (get_computation_aff, get_computation_cost_at): Handle double_int
1363 return type of constant_multiple_of.
1365 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1368 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1369 an implicit conversion.
1371 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1373 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1375 2006-08-27 Roger Sayle <roger@eyesopen.com>
1377 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1380 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1382 * config/i386/crtfastmath.c: Fix a comment typo.
1384 2006-08-26 Roger Sayle <roger@eyesopen.com>
1386 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1387 temporary visit flags on CASE_LABEL_EXPRs.
1388 * c-common.c (match_case_to_enum): Add function comment. Avoid
1389 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1390 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1391 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1392 a constant, only warn if that constant value isn't handled.
1394 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1397 * input.h (restore_input_file_stack): Declare.
1398 (INPUT_FILE_STACK_BITS): Define.
1399 * toplev.c (fs_p, input_file_stack_history,
1400 input_file_stack_restored, restore_input_file_stack): New.
1401 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1402 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1403 (pop_srcloc): Don't free old state of stack.
1405 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1408 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1409 (PowerPC Type Attributes): New.
1411 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1413 * config/xtensa/xtensa.c (function_arg_boundary): New.
1414 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1416 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1417 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1419 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1422 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1425 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1427 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1428 (verify_local_live_at_start): Likewise.
1430 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1433 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1434 omp_add_variable): Treat sizes as variable whenever not
1437 2006-08-26 Richard Guenther <rguenther@suse.de>
1440 * fold-const.c (fold_binary): Fold temporary to correct
1441 type before constructing new comparison.
1443 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1446 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1447 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1449 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1452 * c-decl.c (start_function): Don't try to process prototype
1453 information from old declaration that isn't a function.
1455 2006-08-25 Jan Hubicka <jh@suse.cz>
1458 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1460 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1463 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1466 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1468 PR tree-optimization/16876
1469 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1470 exit if PARM doesn't match VALUE.
1472 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1474 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1475 literal_prefix directive.
1476 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1477 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1478 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1480 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1483 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1484 predicate to general_operand. Add 0->y and I->r alternatives.
1486 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1488 * doc/tm.texi: Fix a typo.
1489 * predict.c: Fix comment typos.
1491 2006-08-25 Nick Clifton <nickc@redhat.com>
1493 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1494 assertions of "cpu" and "machine".
1496 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1499 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1500 the access through a base which has an alias set of 0 cannot
1503 2006-08-24 Bill Wendling <wendling@apple.com>
1505 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1507 2006-08-24 Jan Hubicka <jh@suse.cz>
1509 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1511 2006-08-24 Jan Hubicka <jh@suse.cz>
1514 * cgraph.c: Fix comments.
1515 (cgraph_varpool_mark_needed_node): Mark only variables not already
1517 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1518 (cgraph_varpool_assembled_nodes_queue): New static variable.
1519 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1520 (cgraph_varpool_output_debug_info): New function.
1521 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1522 * Makefile.in: Add gt-cgraphunit.h
1524 2006-08-24 Jan Hubicka <jh@suse.cz>
1526 * predict.c (probability_reliable_p): New predicate.
1527 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1528 (predict_loops): Do not predict loop exit with less than 2%
1530 * basic-block.h (edge_probability_reliable_p,
1531 br_prob_note_reliable_p): Declare.
1532 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1533 prediction when static predictor is not reliable.
1534 * rs6000.c (output_cbranch): Likewise.
1536 2006-08-23 Stuart Hastings <stuart@apple.com>
1539 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1540 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1542 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1545 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1546 complex values, nor for generic vector values.
1548 2006-08-22 Richard Guenther <rguenther@suse.de>
1551 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1552 parameter. Convert arguments to arithmetic expression to the
1554 (analyze_scalar_evolution_1): Adjust caller.
1556 2006-08-22 Jan Hubicka <jh@suse.cz>
1558 Patch by Paolo Bonzini
1559 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1562 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1564 PR tree-optimization/28003
1565 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1566 before grouping aliases.
1568 2006-08-22 Roger Sayle <roger@eyesopen.com>
1570 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1571 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1573 2006-08-21 Jason Merrill <jason@redhat.com>
1576 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1577 wrapper. Loop to handle nested wrappers.
1578 (gimplify_bind_expr): Remove temp parameter.
1579 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1580 and STATEMENT_LIST on the rhs.
1581 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1582 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1583 (gimplify_target_expr): Remove special BIND_EXPR handling.
1585 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1587 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1590 2006-08-21 Olivier Hainque <hainque@adacore.com>
1592 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1593 Arrange for the temporary captures of components overlapping the lhs
1594 to happen before the lhs is possibly cleared.
1596 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1598 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1599 necessary places to pass the correct "number of registers" values
1602 2006-08-20 Jan Hubicka <jh@suse.cz>
1604 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1605 (create_name_tags): Instead of quadratic checking use hashtable.
1606 * bitmap.h: Include hashtab.h.
1607 (bitmap_hash): Declare.
1608 * bitmap.c (bitmap_hash): New function.
1610 2006-08-20 Jan Hubicka <jh@suse.cz>
1612 PR rtl-optimization/28071
1613 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1615 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1616 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1617 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1618 cgraph_decide_inlining_incrementally): Update use of
1619 cgraph_check_inline_limits.
1620 * cgraph.c (edge_hash, edge_eq): New function.
1621 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1622 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1623 cgraph_remove_node): Maintain call site hash.
1624 * cgraph.h (struct cgraph_node): Add call_site_hash.
1625 (cgraph_set_call_stmt): New function.
1627 2006-08-20 Jan Hubicka <jh@suse.cz>
1629 PR rtl-optimization/28071
1630 * reload1.c (reg_has_output_reload): Turn into regset.
1631 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1632 choose_reload_regs, emit_reload_insns): Update to new
1633 reg_has_output_reload.
1635 2006-08-20 Jan Hubicka <jh@suse.cz>
1638 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1639 function body sizes.
1640 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1642 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1645 * tree.c (handle_dll_attribute): Return early if not a
1646 var or function decl.
1648 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1651 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1652 alignment of SPE vector types.
1654 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1656 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1658 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1661 * cgraph.h (struct cgraph_node): Remove externally_visible
1663 * cgraphunit.c (process_function_and_variable_attributes): Set
1664 local.externally_visible rather than externally_visible.
1667 * c-common.c (handle_externally_visible_attribute): First look
1668 at TREE_CODE and only if it is function or var decl, check for
1669 non-public objects. Don't warn for DECL_EXTERNAL.
1670 * cgraphunit.c (process_function_and_variable_attributes): Warn
1671 if externally_visible attribute is used on non-public object.
1673 2006-08-17 Jan Hubicka <jh@suse.cz>
1675 PR tree-optimization/27865
1676 * reload1.c (forget_marked_reloads): New function.
1677 (forget_old_reloads_1): When data are passed, just mark the registers
1679 (reload_as_needed): Use the new mechanizm.
1681 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1684 * reload.h (reg_equiv_alt_mem_list): New declaration.
1685 * reload1.c (reg_equiv_alt_mem_list): New definition.
1686 (reload): Initialize it and release it.
1687 (delete_output_reload): Use it.
1688 * reload.c (push_reg_equiv_alt_mem): New function.
1689 (find_reloads_toplev): Call it.
1690 (find_reloads_address, find_reloads_address_1): Likewise.
1691 (find_reloads_subreg_address): Likewise.
1693 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1695 PR rtl-optimization/28489
1696 * sched-ebb.c (begin_schedule_ready): Create basic block
1698 (advance_target_bb): Skip empty blocks.
1699 * haifa-sched.c (bb_note): Make global.
1700 * sched-int.h (bb_note): Add prototype.
1702 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1704 PR tree-optimization/27865
1705 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1707 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1708 fold_used_pointer, pointer_used_p): New functions.
1709 (analyze_scalar_evolution_1): Use fold_used_pointer.
1710 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1711 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1714 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1717 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1718 or the INTEGER_CST. Fail on a CALL_EXPR.
1719 (fold_offsetof): Pass new argument to fold_offsetof_1.
1720 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1721 operand into an INDIRECT_REF.
1722 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1724 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1726 PR gcov/profile/26570
1727 * value-prof.c (static_values): Removed.
1728 (tree_find_values_to_profile): Do not set static_values.
1729 (find_values_to_profile): Do not free static_values.
1730 * profile.c (instrument_values): Do not free the values.
1731 (branch_prob): Free the values.
1733 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1735 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1737 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1740 * c-typeck.c (build_component_ref): Combine qualifiers of
1741 structure or union and field.
1743 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1745 PR rtl-optimization/28071
1746 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1747 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1748 * tree-into-ssa.c (struct dom_dfsnum): New.
1749 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1751 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1752 compute_global_livein.
1753 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1754 in phi nodes in the correct blocks.
1756 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1758 PR tree-optimization/28364
1759 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1761 (fold_affine_expr): New function.
1762 (may_eliminate_iv): Use fold_affine_expr.
1764 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1767 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1770 2006-08-16 Mike Stump <mrs@apple.com>
1772 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1773 * doc/cppopts.texi (-MD): Likewise.
1775 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1778 * c-common.c (handle_weak_attribute): Ignore and warn if
1779 not a FUNCTION_ or VAR_DECL.
1781 2006-07-15 Mike Stump <mrs@apple.com>
1784 * c-parser.c (c_parser_typeof_specifier): Don't use
1785 c_finish_expr_stmt, open code desired semantics instead.
1787 2006-08-15 Nick Clifton <nickc@redhat.com>
1789 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1790 fragment to tmake_file only if threads are enabled.
1791 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1792 * config/i386/t-gthr-win32: New file. ... here.
1794 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1797 * c-parser.c (c_parser_compound_statement_nostart): Reset
1798 parser->error after each statement.
1800 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1803 * omp-low.c (lower_omp_parallel): Convert t to
1804 receiver_decl's type.
1805 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1806 source before comparison.
1809 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1810 to itype in assignment to oldival2.
1812 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1816 * c-typeck.c (build_compound_expr): If the second expression
1817 is an error mark, then just return an error mark instead of
1818 creating a COMPOUND_EXPR.
1820 2006-07-14 Mike Stump <mrs@apple.com>
1822 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1824 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1826 * c-decl.c, var-tracking.c: Fix comment typos.
1828 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1830 PR rtl-optimization/28634
1831 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1832 for floating-point modes unless flag_unsafe_math_optimizations.
1834 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1835 Andrew Pinski <pinskia@physics.uc.edu>
1838 * tree.c (build_array_type): Unify array types with
1839 unspecified index_type.
1840 * c-decl.c (grokdeclarator): Make sure we do not modify a
1841 unified incomplete array type.
1842 * c-typeck.c (store_init_value): Create distinct type before
1843 filling in the index type in an initializer from a compound
1846 * c-decl.c (grokdeclarator): Remove code where we copy the
1849 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1851 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1852 into account for TODO_dump_cgraph.
1853 (TODO_update_ssa_no_phi): Likewise.
1854 (TODO_update_ssa_full_phi): Likewise.
1855 (TODO_update_ssa_only_virtuals): Likewise.
1856 (TODO_remove_unused_locals): Likewise.
1857 (TODO_set_props): Likewise.
1858 (TODO_update_stmt_usage): Likewise.
1860 2006-08-13 Dirk Mueller <dmueller@suse.de>
1862 * c-common.c (strict_aliasing_warning): Fix formatting.
1864 2006-08-13 Matthias Klose <doko@debian.org>
1866 * doc/invoke.texi: Fix spelling errors.
1868 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1870 PR rtl-optimization/23454
1871 * reorg.c (relax_delay_slots): Update comment.
1873 2006-08-11 Richard Guenther <rguenther@suse.de>
1876 * simplify-rtx.c (simplify_const_relational_operation):
1877 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1880 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1882 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1883 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1885 2006-08-10 Paul Brook <paul@codesourcery.com>
1887 * final.c (final_scan_insn): Clear current_insn_predicate before
1888 outputting inline asm.
1890 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1892 PR tree-optimization/26197
1893 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1894 get_ref_base_and_extent and overlap_subvar to add only relevant
1895 subvars as may-aliases.
1896 (add_may_alias_for_new_tag): New function, factored out of
1898 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1899 with additional argument.
1900 * tree-flow.h (new_type_alias): Takes additional argument.
1902 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1904 * gcov.c (no_data_file): New flag.
1905 (read_count_file): Set it if data file not present. Assume counts
1907 (output_lines): Don't name the data file, if there wasn't one.
1909 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1911 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1912 (rs6000_generate_compare): Tweak comments.
1913 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1915 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1917 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1918 (var_debug_decl): New function.
1919 (var_reg_set): Follow debug decl link. Add location even if
1920 reg is already known to hold some other variable.
1921 (var_mem_set): Follow debug decl link.
1922 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1923 decl link. Delete other known locations of the variable part
1925 (var_reg_delete, var_mem_delete): Delete other known locations
1926 of the variable part if requested.
1927 (same_variable_part_p): New function.
1928 (add_stores): Select MO_COPY when appropriate.
1929 (vt_initialize): Handle it.
1930 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1931 known locations for MO_SET and MO_CLOBBER.
1932 (find_variable_location_part): New function.
1933 (set_variable_part, delete_variable_part): Use it.
1934 (clobber_variable_part): New function.
1935 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1938 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1940 PR tree-optimization/26969
1941 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1942 with an empty list of PHIs.
1944 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1948 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1951 2006-08-06 Andreas Schwab <schwab@suse.de>
1953 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1954 string. Whitespace and comment fixup.
1956 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1959 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1963 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1966 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1968 2006-08-04 Jan Hubicka <jh@suse.cz>
1972 * reload.c (push_reload): Patch out the mismatching instruction;
1974 (find_reload): Bail out if the instruction was patched out.
1976 2006-08-04 Jan Hubicka <jh@suse.cz>
1978 PR tree-optimization/24888
1979 * tree-inline.c (expand_call_inline): Do not re-record variables.
1980 (declare_inline_vars): Add variable to unexpanded_var_list.
1982 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1983 Roger Sayle <roger@eyesopen.com>
1985 PR rtl-optimization/26244
1986 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1987 inner_const are negative or greater than or equal to the bitsize of
1988 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1989 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1990 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1991 CONST0_RTX (mode) when the new shift count is greater than or equal to
1992 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1995 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1997 * tree-cfg.c: Fix a comment typo.
1999 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2002 * varasm.c (output_constant): Give the front end another chance to
2003 expand constants, after stripping NOPs.
2005 2006-08-03 Jan Hubicka <jh@suse.cz>
2007 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2010 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2012 PR tree-optimization/27770
2013 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2014 declaration removed (moved to tree-flow.h).
2015 (vect_can_force_dr_alignment_p): Likewise.
2016 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2017 (moved from tree-vectorizer.h).
2018 (vect_can_force_dr_alignment_p): Likewise.
2019 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2020 from outside the vectorizer - in particular from cgraph stage.
2021 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2022 the alignment of global arrays when -fsection-anchors is enabled.
2023 * cgraphunit.c (cgraph_increase_alignment): New function.
2024 (cgraph_optimize): Call cgraph_increase_alignment.
2026 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2029 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2030 not reload a SPE symbol_ref into a lo_sum address.
2032 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2035 * dwarf2out.c (prune_unused_types_prune): Move call to
2036 prune_unused_types_update_strings to cover the parent DIE also.
2038 2006-08-02 Jan Hubicka <jh@suse.cz>
2040 PR gcov/profile/28480
2041 * tree-cfg.c (change_bb_for_stmt): New function.
2042 (tree_merge_blocks, tree_split_blocks): Use it.
2044 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2050 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2051 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2052 (cgraph_optimize): Likewise.
2054 2006-08-01 Stuart Hastings <stuart@apple.com>
2056 * rtl.h (UINTVAL) New.
2057 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2058 * testsuite/gcc.dg/20060801-1.c: New.
2060 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2063 * c-typeck.c (build_external_type): Mark used enum types.
2064 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2066 (gen_subprogram_die): Whitespace fix.
2068 2006-08-01 Jan Hubicka <jh@suse.cz>
2070 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2071 bitmap when not needed.
2072 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2075 2006-08-01 Dirk Mueller <dmueller@suse.de>
2077 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2079 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2081 * Makefile.in: Revert part of previous patch:
2082 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2085 2006-07-30 Eric Christopher <echristo@apple.com>
2088 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2089 (PowerPC Variable Attributes): New section.
2091 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2093 PR target/28126 (partial fix)
2094 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2096 2006-07-28 Jan Hubicka <jh@suse.cz>
2098 PR rtl-optimization/28071
2099 * cfgrtl.c (rtl_delete_block): Free regsets.
2100 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2102 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2104 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2105 and variables used in dependencies.
2107 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2109 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2110 %fs for -mcmodel=kernel.
2111 (stack_tls_protect_test_di): Likewise.
2113 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2115 * Makefile.in: Use mkinstalldirs.
2117 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2120 * opts-common.c (prune_options): Skip joined switches.
2122 2006-07-27 Jan Hubicka <jh@suse.cz>
2124 PR rtl-optimization/28071
2125 * cselib.c (cselib_process_insn): Don't remove useless values too
2126 often for very large hashtables.
2128 2006-07-27 Jan Hubicka <jh@suse.cz>
2130 PR rtl-optimization/28071
2131 * global.c (greg_obstack): New obstack.
2132 (allocate_bb_info): Use it.
2133 (free_bb_info): Likewise.
2134 (modify_reg_pav): Likewise.
2136 2006-07-27 Roger Sayle <roger@eyesopen.com>
2138 * builtins.c (fold_fixed_mathfn): When long and long long are the
2139 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2140 functions to their lceil*, lfloor*, lround* and lrint* forms.
2142 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2145 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2147 (rev_branch_insn): Likewise.
2149 2006-07-27 Jan Hubicka <jh@suse.cz>
2151 PR rtl-optimization/28071
2152 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2153 (reg_set_in_bb, max_reg_computed): New static variables.
2154 (regmove_optimize): Free the new array.
2155 (fixup_match_1): Update call of reg_is_remote_constant_p.
2157 2006-07-26 Jan Hubicka <jh@suse.cz>
2159 PR tree-optimization/27882
2160 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2162 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2164 (cgraph_analyze_compilation_unit): Likewise.
2165 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2166 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2167 (cgraph_early_inlinine): Make order garbage collected.
2168 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2170 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2172 * dbxout.c (output_types_sort): Add a comment.
2173 (output_used_types): Free the VEC.
2175 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2177 * function.c (reorder_fix_fragments): Delete.
2178 (reorder_blocks): Don't call it.
2179 (reorder_blocks_1): Put all subblocks under the origin block.
2181 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2183 PR rtl-optimization/27907
2184 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2187 2006-07-25 Roger Sayle <roger@eyesopen.com>
2190 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2191 bar(x) check that bar's result type can represent all the values of T.
2193 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2195 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2197 2006-07-25 Nick Clifton <nickc@redhat.com>
2199 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2200 size_lookup[] array.
2201 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2202 (ggc_pch_count_object): Likewise.
2203 (ggc_pch_alloc_object): Likewise.
2204 (ggc_pch_write_object): Likewise.
2205 (init_ggc): Do not attempt to initialize entries in the
2206 size_lookup[] array for objects whose size is greater than than
2207 the length of the array.
2209 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2211 * dbxout.c (output_used_types_helper): Push queued types
2213 (output_types_sort): New.
2214 (output_used_types): Collect used types on a VEC and sort them
2217 2006-07-24 Richard Guenther <rguenther@suse.de>
2220 * cgraph.c (cgraph_remove_node): Do not check if dumps
2222 * cgraphunit.c (cgraph_optimize): Likewise.
2224 2006-07-24 Jan Hubicka <jh@suse.cz>
2226 PR rtl-optimization/28071
2227 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2228 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2229 splitting before first stmt.
2231 2006-07-24 Jan Hubicka <jh@suse.cz>
2233 PR rtl-optimization/28071
2234 * ipa-inline.c (update_caller_keys): Remove edges that
2235 are no longer inline candidates.
2237 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2240 * dbxout.c (output_used_types_helper, output_used_types): New.
2241 (dbxout_symbol): Call output_used_types.
2243 2006-07-23 Jan Hubicka <jh@suse.cz>
2247 * cgraph.c (cgraph_varpool_nodes): Export.
2248 (decide_is_variable_needed): Ignored "used" attribute in
2249 unit-at-a-time mode.
2250 * cgraph.h (cgraph_varpool_nodes): Declare.
2251 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2252 unit-at-a-time mode.
2254 2006-07-23 Roger Sayle <roger@eyesopen.com>
2257 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2258 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2259 the __gthrw form of thr_keycreate.
2260 (__gthread_key_delete): Silence the unused argument warning.
2262 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2265 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2266 Cache the last found '\0' marker to avoid quadratic behavior.
2268 2006-07-23 Jan Hubicka <jh@suse.cz>
2270 * i386.md (subsi_3_zext): Fix output template.
2272 2006-07-21 Mike Stump <mrs@apple.com>
2274 * doc/invoke.texi (C++ Dialect Options): Note that
2275 -fvisibility-inlines-hidden doesn't affect explicitly
2276 instantiationed inline methods.
2278 2006-07-20 Roger Sayle <roger@eyesopen.com>
2280 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2281 if the target assembler is GNU binutils' gas.
2282 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2283 whether to pass GNU gas or native as command line options.
2285 2006-07-20 Jason Merrill <jason@redhat.com>
2287 * tree.c (remove_attribute): New fn.
2288 * tree.h: Declare it.
2290 2006-07-20 Paul Brook <paul@codesourcery.com>
2293 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2294 they are invalidated by this instruction.
2296 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2299 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2301 2006-07-20 Eric Christopher <echristo@apple.com>
2304 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2306 2006-07-19 Eric Christopher <echristo@apple.com>
2308 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2309 Rewrite dependencies for libgcc_s.1.dylib.
2311 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2313 * except.c (duplicate_eh_regions_1): Clear next_peer.
2315 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2317 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2318 -mlongcall does not guarantee all calls will be long.
2319 * doc/extend.texi (long_call/short_call): Document that longcall
2320 does not guarantee a long call will be used.
2321 (longcall/shortcall): Likewise.
2323 2006-07-18 Roger Sayle <roger@eyesopen.com>
2326 * expmed.c (expand_shift): Additionally check that the shift_cost
2327 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2328 before implementing a LSHIFT_EXPR as a sequence of additions.
2329 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2330 middle-end that DImode shifts need to be synthesized by expand.
2332 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2335 * tree-ssa-operands.c (access_can_touch_variable): Update
2337 Return true if ALIAS is .GLOBAL_VAR.
2339 2006-07-18 David Daney <ddaney@avtrex.com>
2341 * gcc.c (display_help): Fix typo in help text.
2343 2006-07-18 Olivier Hainque <hainque@adacore.com>
2345 * tree.h (categorize_ctor_elements): Adjust prototype and add
2346 descriptive comment, both in accordance with the interface change
2348 * varasm.c (constructor_static_from_elts_p): New function.
2349 Whether a constructor node is a valid static constant initializer
2350 if all its elements are.
2351 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2352 * output.h: Declare it.
2353 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2354 is a valid constant initializer instead of computing the number of
2355 non-constant elements. Use constructor_static_from_elts_p for this
2356 purpose. Replace the head comment with an indication that this is a
2357 helper for categorize_ctor_elements.
2358 (categorize_ctor_elements): Same interface change as for the _1
2359 helper. Former head comment from this helper moved here, adjusted to
2360 account for the interface changes.
2361 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2362 (all_zeros_p): Likewise.
2363 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2364 static versions of the constructor from the categorize_ctor_elements
2365 return value instead of the formerly computed number of non-constant
2368 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2370 * configure: Regenerate.
2371 * Makefile.in (build_libsubdir): New configure substitution
2372 (build_libobjdir): New variable.
2373 (BUILD_LIBIBERTY): Use it.
2375 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2378 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2380 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2383 * c-common.c (handle_weakref_attribute): Ignore attribute in
2384 the same conditions the alias attribute is ignored.
2386 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2388 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2389 (dbxout_begin_prologue): Increment scope_labelno.
2391 2006-07-17 Richard Henderson <rth@redhat.com>
2394 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2397 2006-07-17 Roger Sayle <roger@eyesopen.com>
2398 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2400 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2401 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2402 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2403 functions such as sbrk, write, etc.. Add function prototypes.
2404 Convert function declarations from K&R to ISO C. Cast pointers
2405 to "long" and "unsigned long" instead of "int" and "unsigned int".
2406 Convert tokens following #endif into comments.
2408 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2410 * invoke.texi: Remove mention of f77; Reformat table for
2411 inline parameter options correctly; mention that -malign-double
2412 is default on x86-64 targets.
2414 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2416 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2417 (convert_affine_scev, chrec_convert_aggressive): Use
2418 avoid_arithmetics_in_type_p. Do not check for the subtypes
2421 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2424 * optabs.c (expand_doubleword_shift): Wrap the call to
2425 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2427 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2430 * optabs.c (expand_binop): Pass next_methods rather than methods
2431 to expand_doubleword_shift.
2433 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2436 * tree.h (dump_addr): Declare.
2437 * print-tree.c (dump_addr): New function.
2438 (print_node_brief, print_node): Use it.
2439 * print-rtl.c (print_rtx): Likewise.
2440 * common.opt (-fdump-noaddr): New option.
2441 * doc/invoke.texi (-fdump-noaddr): Document.
2442 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2443 (ve_info_hash): Likewise.
2445 2006-07-13 Andrew Haley <aph@redhat.com>
2447 PR tree-optimization/19505
2448 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2449 edge leaving this block, make sure that the destination of this
2450 block has only one predecessor.
2452 2006-07-17 Richard Guenther <rguenther@suse.de>
2454 PR tree-optimization/28238
2455 * tree-inline.c (copy_bb): Check if we produced valid
2456 gimple copying and substituting a stmt. If not, gimplify
2459 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2461 * optabs.c (maybe_encapsulate_block): New function extracted from...
2462 (emit_libcall_block): ...here. Invoke it on the block of insns to
2463 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2464 (emit_no_conflict_block): Likewise.
2466 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2468 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2470 2006-07-15 Roger Sayle <roger@eyesopen.com>
2472 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2473 a new NOP_EXPR case of the switch statement.
2475 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2478 * stor-layout.c (place_field): Take the bit field with
2479 an excessive size into account in the ms-bitfiled case.
2482 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2483 the previous bit field.
2485 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2488 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2490 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2492 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2493 signal frames correctly even when the signal was installed with
2496 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2498 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2499 (dbxout_function_end): Use local label LFBB. Remove hook
2501 (dbxout_source_line): Use local label LFBB.
2502 (dbxout_block): Likewise.
2503 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2504 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2505 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2506 and DBX_OUTPUT_NFUN.
2508 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2510 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2512 2006-07-13 Jan Hubicka <jh@suse.cz>
2514 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2516 * output.h (align_variable): Declare.
2517 * varasm.c (align_variable): Export.
2518 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2519 when basic block changed.
2521 2006-07-13 Nick Clifton <nickc@redhat.com>
2523 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2524 walking the LOG_LINKS chain.
2526 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2528 * doc/invoke.texi (C++ Dialect Options): Explain difference
2529 between -fvisibility-inlines-hidden and setting hidden
2530 visibility explicitly.
2532 2006-07-12 Eric Christopher <echristo@apple.com>
2534 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2535 (stmp-lipo): Depend on libgcc.a.
2537 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2539 * tree.c: Fix a comment typo.
2541 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2543 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2545 (umulhisi3_r): Likewise.
2547 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2550 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2551 x < 19, vs wchar_t support.
2553 2006-07-12 Nick Clifton <nickc@redhat.com>
2555 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2556 instead of -isa=sh4.
2558 2006-07-12 Mike Stump <mrs@apple.com>
2560 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2562 2006-07-10 Eric Christopher <echristo@apple.com>
2564 * config/t-slibgcc-darwin: Rewrite.
2566 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2569 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2572 2006-07-08 Matthias Klose <doko@debian.org>
2574 * doc/sourcebuild.texi: Fix typo.
2576 2006-07-07 Mike Stump <mrs@apple.com>
2578 * toplev.c (process_options): Don't give -ffunction-sections may
2579 affect debugging warning for Mach-O.
2581 2006-07-07 James E Wilson <wilson@specifix.com>
2583 * config/mips/mips.md (cpu): Add sb1a.
2584 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2585 addition to sb1. Adjust comments to clarify SB-1A differences from
2587 (ir_sb1a_load): New. Modify bypasses to use it.
2588 (ir_sb1a_simple_alu): Likewise.
2589 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2590 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2591 (mips_issue_rate): Add PROCESSOR_SB1A.
2592 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2593 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2594 (TARGET_SB1): Add PROCESSOR_SB1A check.
2595 (TUNE_SB1): Likewise.
2597 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2598 * config/mips/mips.c (mips_store_data_bypass_p): New.
2599 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2600 store_data_bypass_p.
2602 2006-07-08 Paul Brook <paul@codesourcery.com>
2605 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2607 2006-07-07 Richard Guenther <rguenther@suse.de>
2610 * tree.h (build_one_cst): Declare.
2611 * tree.c (build_one_cst): New function.
2612 * tree-ssa-math-opts.c (get_constant_one): Remove.
2613 (insert_reciprocals): Use build_one_cst.
2614 * fold-const.c (fold_plusminus_mult): Likewise.
2616 2006-07-07 Roger Sayle <roger@eyesopen.com>
2618 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2619 * cfgloopanal.c (dump_graph): Likewise.
2620 * dojump.c (discard_pending_stack_adjust): Likewise.
2621 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2623 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2624 * function.c (finalize_block_changes): Likewise.
2625 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2626 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2627 * rtl.c (dump_rtx_statistics): Likewise.
2628 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2630 * varray.c (dump_varray_statistics): Likewise.
2631 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2632 decode_decimal64, encode_decimal128, decode_decimal128,
2633 decimal_real_to_decimal): Likewise.
2635 2006-07-07 Richard Guenther <rguenther@suse.de>
2637 PR tree-optimization/28187
2638 * tree-vrp.c (vrp_operand_equal_p): New function.
2639 (vrp_bitmap_equal_p): Likewise.
2640 (update_value_range): Use them to compare old and new
2643 2006-07-06 Roger Sayle <roger@eyesopen.com>
2645 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2646 a default case to switch statement to silence compiler warnings.
2648 2006-07-06 Roger Sayle <roger@eyesopen.com>
2651 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2652 the configured assembler supports the x87's ffreep mnemonic.
2653 * configure: Regenerate.
2654 * config.in: Regenerate.
2656 * config/i386/i386.c (output_387_ffreep): New function.
2657 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2658 (output_387_reg_move): Likewise.
2660 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2662 Port to hosts whose 'sort' and 'tail' implementations
2663 treat operands with leading '+' as file names, as POSIX
2664 has required since 2001. However, make sure the code still
2665 works on pre-POSIX hosts.
2666 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2667 which says you should use "tail -c +N" rather than "tail +Nc".
2668 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2670 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2672 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2675 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2678 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2679 PRE_{INC,DEC} of TFmode.
2681 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2682 Alan Modra <amodra@bigpond.net.au>
2685 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2688 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2691 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2692 Remove duplicate gtu.
2694 2006-07-05 Jason Merrill <jason@redhat.com>
2698 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2699 * c-common.c (handle_packed_attribute): So don't copy it here.
2700 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2702 2006-07-05 Mike Stump <mrs@apple.com>
2704 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2706 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2709 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2711 2006-07-05 Richard Guenther <rguenther@suse.de>
2714 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2715 TARGET_SSE2 targets if using SSE math.
2716 (*absdf2_1): Likewise.
2718 2006-07-05 Richard Guenther <rguenther@suse.de>
2720 PR tree-optimization/28162
2721 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2722 make sure to convert the operands to the correct type.
2724 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2726 PR tree-optimization/28218
2728 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2729 to calculate and free the dominator information.
2731 2006-07-04 Peter O'Gorman <peter@pogma.com>
2733 * mklibgcc.in: chmod 644 before ranlib during install.
2735 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2736 J"orn Rennecke <joern.rennecke@st.com>
2738 * configure.ac (.eh_frame data check): Use diff -b.
2740 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2743 * Makefile.in (BUILD_RTL): Add build/vec.o.
2744 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2745 (build/genextract): Delete.
2746 (build/genautomata): Likewise.
2748 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2751 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2752 128-bit IBM long doubles for ABI_V4.
2754 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2756 * tree.c (range_in_array_bounds_p): New predicate.
2757 * tree.h (range_in_array_bounds_p): Declare it.
2758 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2759 return a less conservative answer.
2760 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2761 and flag 'is_group'.
2762 (IS_ELEMENT_FOR_GROUP): New macro.
2763 (FOR_EACH_ACTUAL_CHILD): Likewise.
2764 (next_child_for_group): New helper function.
2765 (can_completely_scalarize_p): Take into account groups.
2766 (sra_hash_tree): Handle RANGE_EXPR.
2767 (sra_elt_eq): Likewise.
2768 (lookup_element): Be prepared for handling groups.
2769 (is_valid_const_index): Delete.
2770 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2771 instead of is_valid_const_index.
2772 <ARRAY_RANGE_REF>: New case.
2773 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2774 is_valid_const_index.
2775 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2776 (scan_dump): Dump info for groups too.
2777 (decide_instantiation_1): Likewise.
2778 (decide_block_copy): Assert that the element is not a group.
2779 Propagate decision to groups.
2780 (generate_one_element_ref): Handle RANGE_EXPR.
2781 (mark_no_warning): Iterate over actual childs.
2782 (generate_copy_inout): Likewise.
2783 (generate_element_copy): Likewise.
2784 (generate_element_zero): Likewise.
2785 (generate_element_init_1): Likewise.
2786 (dump_sra_elt_name): Handle RANGE_EXPR.
2788 2006-07-03 Roger Sayle <roger@eyesopen.com>
2790 PR tree-optimization/26251
2791 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2792 (thread_block): When optimizing for size refuse to thread jumps
2793 that would require duplication of blocks other than redirection
2796 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2798 * configure.ac: Fix thinko in previous check-in.
2799 * configure: Regenerate.
2801 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2804 * configure.ac (for lang...): Simplify nesting of conditionals.
2805 Test subdir_requires for non-enabled languages. Move processing
2806 of lang_opt_files and lang_tree_fiels below that test.
2807 * configure: Regenerate.
2808 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2810 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2812 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2814 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2816 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2819 2006-06-29 Jason Merrill <jason@redhat.com>
2826 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2827 * c-common.c (c_determine_visibility): Handle it here.
2828 * c-decl.c (finish_decl): Call c_determine_visibility for
2830 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2832 * varasm.c (default_assemble_visibility): Likewise.
2833 * c-common.c (handle_visibility_attribute): Complain about trying
2834 to give visibility to an already defined class, or trying to change
2835 declared visibility. Always attach the attribute.
2840 * attribs.c (decl_attributes): Ignore type-in-place attributes
2841 once the type has been defined.
2843 2006-06-29 Roger Sayle <roger@eyesopen.com>
2846 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2847 to indicate the cpplib has issued an error message for us.
2849 2006-06-29 Asher Langton <langton2@llnl.gov>
2852 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2853 insert a label at the end of an function under Mach-O.
2855 2006-06-29 Eric Christopher <echristo@apple.com>
2856 Evan Cheng <evan.cheng@apple.com>
2858 * predicates.md (vector_all_ones_operand): New.
2859 (nonimmediate_or_sse_const_operand): Ditto.
2860 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2861 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2862 (standard_sse_mode_p): Ditto.
2863 (standard_sse_constant_p): Add case for -1 vector.
2864 (ix86_expand_vector_move): Try to use.
2865 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2866 Call standard_sse_constant_opcode.
2867 (*movv4sf_internal): Ditto.
2868 (*movv2df_internal): Ditto.
2870 2006-06-29 Roger Sayle <roger@eyesopen.com>
2872 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2873 of XEXP to extract the operands of a MATCH_CODE rtx.
2875 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2877 * tree.c (tree_size): Do not waste tail padding in
2878 struct tree_string and make the size be the same as
2879 build_string will generate.
2881 2006-06-28 Jason Merrill <jason@redhat.com>
2884 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2885 may_aliases already in the tag's annotations to the bitmap.
2887 2006-06-28 Roger Sayle <roger@eyesopen.com>
2889 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2891 2006-06-28 Roger Sayle <roger@eyesopen.com>
2893 * genpreds.c (generate_switch_p): New function.
2894 (add_mode_tests): Push the new mode test down inside an AND expr
2895 if this allows the switch-suitable MATCH_CODE to be near the root.
2896 (write_match_code_switch): New function to write a MATCH_CODE as
2898 (write_predicate_stmts): New function to write a predicate RTX
2899 expression as a sequence of statements.
2900 (write_one_predicate_function): Use write_predicate_stmts.
2901 (write_tm_constrs_h): Likewise.
2903 2006-06-26 Fred Fish <fnf@specifix.com>
2905 * config/mips/t-sb1: New file.
2906 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2909 2006-06-26 DJ Delorie <dj@redhat.com>
2911 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2913 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2914 Jayant Sonar <jayants@kpitcummins.com>
2915 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2917 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2918 (subsi3, subsi3_1, subsi3_2): New.
2919 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2920 * config/m32c/mov.md (SI mov peephole): New.
2921 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2922 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2924 2006-06-26 Olivier Hainque <hainque@adacore.com>
2926 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2927 a CALL_EXPR target function declaration.
2929 2006-06-26 Richard Guenther <rguenther@suse.de>
2931 * tree.c (build_string): Do not waste tail padding in
2934 2006-06-26 Richard Guenther <rguenther@suse.de>
2936 * ggc-page.c (init_ggc): Add missing element to size_lookup
2940 2006-06-23 Richard Guenther <rguenther@suse.de>
2942 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2943 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2944 alignment requests instead. Add verification code.
2945 Add struct tree_function_decl and struct tree_binfo size to
2946 extra_order_size_table. Add missing element to size_lookup
2949 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2952 * fold-const.c (const_binop): Be prepared for self returning zero.
2953 Simplify code handling complex values.
2955 2006-06-24 Olivier Hainque <hainque@adacore.com>
2957 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2958 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2961 2006-06-24 Olivier Hainque <hainque@adacore.com>
2963 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2964 ARRAY_REF, so have the callback called for the low bound expression.
2966 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2968 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2969 * c-typeck.c (c_common_type): Disallow operations on decimal float
2970 types and other float types.
2971 * convert.c (convert_to_real): Don't ignore conversions involving
2972 decimal float types.
2974 2006-06-23 Olivier Hainque <hainque@adacore.com>
2976 * tree.c (max_int_size_in_bytes): New function, inspired from
2977 code in function.c:assign_temp.
2978 * tree.h (max_int_size_in_bytes): Declare.
2979 * function.c (assign_temp): Use it.
2980 * gimplify.c (create_tmp_var): Relax the assertions on the type
2981 properties, not mandating constant size any more.
2982 (force_constant_size): New static function.
2983 (gimple_add_tmp_var): Use it, forcing variable size to a
2984 constant upper bound if it is not constant on entry.
2986 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2989 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2990 for initialization and setting of one_only flag to ...
2991 (i386_pe_encode_section_info): ...here.
2992 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2993 Recheck that the symbol has not been defined.
2995 2006-06-23 Richard Guenther <rguenther@suse.de>
2997 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2998 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2999 alignment requests instead. Add verification code.
3000 Add struct tree_function_decl and struct tree_binfo size to
3001 extra_order_size_table. Add missing element to size_lookup
3004 2006-06-22 Roger Sayle <roger@eyesopen.com>
3005 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3008 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3009 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3011 2006-06-23 Ben Elliston <bje@au.ibm.com>
3013 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3014 negate dn -- manipulate it directly.
3016 2006-06-22 Roger Sayle <roger@eyesopen.com>
3017 Steven Bosscher <stevenb.gcc@gmail.com>
3020 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3021 generated by gen_move_insn to add REG_LABEL notes if necessary.
3023 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3025 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3026 (leaf_entry): Remove use of MIN_ESA.
3028 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3030 PR rtl-optimization/28121
3031 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3034 2006-06-21 DJ Delorie <dj@redhat.com>
3036 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3038 (mulhisi3_r): Likewise.
3040 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3043 * coverage.c (coverage_counter_alloc): Leave the index type
3045 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3048 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3050 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3051 section from the "Options for Code Generation Conventions".
3053 2006-06-21 Richard Henderson <rth@redhat.com>
3057 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3059 (global_symbolic_operand): Allow weak symbols, even if local_p.
3061 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3063 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3064 (find_interesting_uses_address): Punt if above function returns true.
3066 2006-06-21 Richard Guenther <rguenther@suse.de>
3068 * configure: Regenerated.
3070 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3072 * config/mips/mips.c (function_arg): Where one part of a
3073 complex argument is in registers and the other part in the stack,
3074 return a REG not a PARALLEL.
3076 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3078 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3079 when cross-compiling. Do not substitute libstdcxx_incdir.
3080 * configure: Regenerated.
3082 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3084 * varasm.c (mergeable_string_section): Check for embedded NULs and
3085 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3086 rather than TREE_STRING_LENGTH bytes.
3088 2006-06-21 Richard Guenther <rguenther@suse.de>
3090 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3091 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3094 2006-06-21 Richrad Guenther <rguenther@suse.de>
3096 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3097 Limit iteration over the dominators.
3099 2006-06-20 Roger Sayle <roger@eyesopen.com>
3101 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3102 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3104 2006-06-20 Richard Guenther <rguenther@suse.de>
3105 Michael Matz <matz@suse.de>
3107 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3109 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3110 * et-forest.h (et_free_pools): Prototype new function.
3111 * et-forest.c (et_free_tree_force): Free parent occurrence.
3112 (et_free_pools): New function.
3113 * dominance.c (free_dominance_info): Free et-forest alloc
3116 2006-06-20 Roger Sayle <roger@eyesopen.com>
3118 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3119 integer modes, attempt to directly construct an integer constant.
3121 * fold-const.c (native_encode_vector): Determine the size of each
3122 element from the vector type instead of the first vector element.
3124 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3125 if all of its elements/components are constant.
3126 (build_constructor_from_list): Likewise.
3128 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3130 PR tree-optimization/27331
3131 * tree-data-ref.c (free_data_ref): New function.
3132 (create_data_ref): Fail if the data reference has unknown access
3134 (free_data_refs): Use free_data_ref.
3136 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3139 * tree-inline.c (setup_one_parameter): Strip useless
3140 type conversion before adding it to the IR.
3141 (declare_return_variable): Likewise.
3143 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3146 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3148 2006-06-19 Mike Stump <mrs@apple.com>
3150 * tree.c (variably_modified_type_p): VM arguments don't make the
3153 2006-06-19 Richard Guenther <rguenther@suse.de>
3155 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3156 type conversions after folding.
3158 2006-06-19 Richard Guenther <rguenther@suse.de>
3160 * ggc-page.c (extra_order_size_tab): Add entries with
3161 size of struct function and basic_block.
3162 (size_lookup): Extend to cover sizes up to 511.
3163 (ggc_alloc_stat): Adjust user.
3164 (ggc_pch_count_object): Likewise.
3165 (ggc_pch_alloc_object): Likewise.
3166 (ggc_pch_write_object): Likewise.
3168 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3170 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3171 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3174 2006-06-19 Denis Chertykov <denisc@overta.ru>
3176 * config/avr/libgcc.S : Correct my wrong previous commit.
3178 2006-06-19 Roger Sayle <roger@eyesopen.com>
3181 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3182 have stripped a SUBREG from the shift count, so we may need to
3183 convert_to_mode back to the type's mode before calling make_tree.
3184 Use new_amount instead of amount to avoid expanding a tree twice.
3186 2006-06-19 Richard Guenther <rguenther@suse.de>
3189 * fold-const.c (operand_equal_p): Check if the argument types
3190 have the same precision before stripping NOPs.
3192 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3194 Fix PR tree-optimization/27341
3195 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3197 * tree-complex.c (pass_lower_complex): Update SMT usage.
3199 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3201 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3202 Add a new alternative to the constraint strings. Add move of
3203 operand 1 to 3 to the splitter definition.
3204 ("doloop_si_long"): Second contraint alternative removed.
3206 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3208 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3209 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3211 (AVR_HAVE_MOVW) Define.
3212 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3213 (ASM_SPEC): Add avr25.
3214 (LINK_SPEC): Add avr25.
3215 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3216 (base_arch_s): Add new member 'have_movw_lpmx'.
3217 (avr_arch_types): Init 'have_movw_lpmx'.
3218 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3219 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3220 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3221 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3222 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3224 (avr_file_start): Do not output '.arh' derective.
3225 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3226 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3227 * config/avr/avr.md (mcu_enhanced): Delete.
3228 (mcu_have_movw): Define.
3229 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3230 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3231 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3232 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3233 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3234 attiny861 and at86rf401 devices.
3236 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3238 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3241 2006-06-17 Karl Berry <karl@gnu.org>
3243 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3244 doc/gccint.texi, doc/install.texi (@dircategory): Use
3245 "Software development" instead of "Programming", following
3246 the Free Software Directory.
3248 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3250 * config/i386/i386.c (legitimate_tls_address)
3251 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3252 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3253 (*tls_dynamic_gnu2_combine_64): Likewise.
3255 2006-06-16 Richard Guenther <rguenther@suse.de>
3258 * fold-const.c (negate_expr_p): Do not introduce undefined
3259 overflow in negating INTEGER_CSTs.
3260 (fold_negate_expr): Rename from negate_expr. Revert last
3261 change for folding BIT_NOT_EXPR. Change semantics to
3262 return NULL_TREE for non-simplified negations. Do not
3263 strip type conversions and unify type handling.
3264 (negate_expr): New function, wrap around fold_negate_expr
3265 but ensure building a tree always. Strip type conversions
3266 here, fold to result type.
3267 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3269 2006-06-16 Roger Sayle <roger@eyesopen.com>
3272 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3273 that (would) return their results in stack registers.
3275 2006-06-16 Michael Matz <matz@suse.de>
3276 Richard Guenther <rguenther@suse.de>
3278 * fold-const.c (fold_truthop): Only return new tree node if
3279 we canonicalized something.
3281 2006-06-16 Richard Guenther <rguenther@suse.de>
3283 * function.h (enum function_frequency): Move declaration
3284 out of struct function.
3285 (struct function): Move bool fields and the enum to the bitfield
3286 section. Reorder elements to avoid padding. Remove unused
3287 fields left over from the RTL inliner removal.
3288 * function.c (free_after_compilation): Do not zero removed fields.
3289 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3290 (ipa-type-escape.o): Likewise.
3292 2006-06-16 Richard Guenther <rguenther@suse.de>
3294 * cgraph.h (struct cgraph_local_info): Turn bool elements
3296 (struct cgraph_node): Likewise.
3297 (struct cgraph_varpool_node): Likewise.
3299 2006-06-15 Richard Guenther <rguenther@suse.de>
3301 * fold-const.c (fold_truth_not_expr): Rename from
3302 invert_truthvalue. Give it fold_* semantics to avoid
3304 (invert_truthvalue): New function. Wrapper around
3305 fold_truth_not_expr.
3306 (optimize_minmax_comparison): Avoid creating garbage.
3307 (fold_unary): Use fold_truth_not_expr for folding
3309 (fold_ternary): Replace uses of invert_truthvalue with
3310 fold_truth_not_expr where applicable.
3311 * tree.h (fold_truth_not_expr): Prototype.
3313 2006-06-16 Richard Guenther <rguenther@suse.de>
3315 PR tree-optimization/27781
3316 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3317 * ipa-pure-const.c (target.h): Include.
3318 (analyze_function): Do not analyze functions that do not
3321 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3324 * tree-dfa.c (referenced_vars_dup_list): Remove.
3325 (find_referenced_vars): Remove assert.
3326 (referenced_var_check_and_insert): Replace dup list with assert.
3327 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3328 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3330 2006-06-15 Richard Guenther <rguenther@suse.de>
3332 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3333 extra unused identifiers if not dumping.
3334 (create_variable_info_for): Likewise.
3336 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3338 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3339 (derive_constant_upper_bound): Derive more precise upper bound in
3340 common cases. Return type changed to double_int.
3341 (record_estimate): Reflect the changed return type of
3342 derive_constant_upper_bound.
3343 * double-int.c (double_int_zext, double_int_sext): Fix.
3345 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3347 * configure.ac (CFLAGS): Get them from the toplevel or from the
3348 configure invocation.
3349 * configure: Regenerate.
3350 * Makefile.in (CFLAGS): Substitute value provided by configure.
3352 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3355 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3356 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3357 rather than calling add_stmt on it.
3358 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3360 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3363 * reload1.c (reload): Remove registers returned by update_eliminables
3364 from used_spill_regs.
3366 2006-06-13 DJ Delorie <dj@redhat.com>
3368 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3370 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3372 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3373 html__strip_dir, html__mkdir_p. Enhance install-html target.
3374 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3375 * configure: Regenerate.
3377 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3379 * fold-const.c (fold_cond_expr_with_comparison): Check for
3380 Objective-C++ as language in deciding COND_EXPR transformation.
3382 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3385 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3386 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3387 * config/sh/lib1funcs.h (SL, SL1): Define.
3388 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3389 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3390 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3391 (OBJS_Os_4_200): New variable.
3392 ($(T)libgcc-Os-4-200.a): Use it.
3393 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3394 when dividing 1 and/or by 0.
3396 2006-06-13 Roger Sayle <roger@eyesopen.com>
3398 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3399 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3400 * configure: Regenerate.
3402 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3404 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3405 for real instruction.
3407 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3410 * haifa-sched.c (check_cfg): Handle special case.
3412 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3415 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3416 Add debug_info parameter. Chain the vars to the BLOCK instead
3417 of the BIND_EXPR if debug info are requested for them.
3418 (pop_gimplify_context): Adjust for above change.
3419 (gimple_add_tmp_var): Likewise.
3420 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3422 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3423 (convert_local_reference): Likewise.
3424 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3425 (finalize_nesting_tree_1): Request that debug info be emitted
3426 for debug_var_chain.
3428 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3430 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3431 for PR target/27863.
3433 2006-06-13 Richard Guenther <rguenther@suse.de>
3436 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3438 2006-06-13 Richard Guenther <rguenther@suse.de>
3440 PR tree-optimization/27830
3441 * tree-inline.c (copy_body_r): For copying the operand
3442 of an ADDR_EXPR make sure to fold &* afterwards.
3444 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3446 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3447 lvalues in the fb_none case with side-effects.
3449 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3451 * tree-flow.h: Remove the prototype for
3452 compute_phi_arg_on_exit.
3453 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3454 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3457 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3459 * builtins.c (expand_builtin_return_addr): Only use
3460 frame_pointer_rtx when count == 0 and we are expanding
3461 __builtin_return_address.
3463 2006-06-12 Fred Fish <fnf@specifix.com>
3465 * config/mips/mips.c (mips_file_start): Create special section
3466 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3468 2006-06-11 Eric Christopher <echristo@apple.com>
3471 * stor-layout.c (place_field): Remove check for
3472 remaining_in_alignment when aligning at the end of a run.
3474 2006-06-11 Eric Christopher <echristo@apple.com>
3477 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3480 2006-06-11 Roger Sayle <roger@eyesopen.com>
3483 Revert incorrect fix for PR target/27158
3484 2006-05-08 Roger Sayle <roger@eyesopen.com>
3485 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3486 of a reg_equiv_constant if the result is a legitimate constant.
3488 2006-06-11 Roger Sayle <roger@eyesopen.com>
3491 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3492 extract a CONST_VECTOR element and interpret it as an integer.
3493 (vspltis_constant): Use const_vector_elt_as_int instead of the
3494 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3495 * config/rs6000/predicates.md (easy_vector_const): Consider
3496 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3498 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3501 * stor-layout.c (update_alignment_for_field): Don't add extra
3502 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3505 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3507 * config/mips/t-rtems: Add EL/EB multilib variants.
3509 2006-06-09 Mike Stump <mrs@apple.com>
3511 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3513 2006-06-09 David Daney <ddaney@avtrex.com>
3515 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3517 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3519 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3521 2006-06-09 Richard Guenther <rguenther@suse.de>
3523 PR tree-optimization/26998
3524 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3525 of signed types, only TYPE_MIN_VALUE is special, but for both,
3526 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3527 in this case, as is -fwrapv.
3529 2006-06-08 Mike Stump <mrs@apple.com>
3532 * config/darwin.c (darwin_asm_output_anchor): Disable
3533 -fsection-anchors on darwin for now.
3534 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3535 * rs6000/rs6000.c (optimization_options): Likewise.
3537 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3540 * config/i386/i386.c (classify_argument): Skip fields with invalid
3543 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3545 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3546 (cse_insn): Likewise for the stack_pointer_rtx.
3548 2006-06-08 Roger Sayle <roger@eyesopen.com>
3550 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3551 conditions from floating point comparisons.
3553 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3556 * expmed.c (struct alg_hash_entry): Fix type of field T
3557 to match synth_mult argument.
3558 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3560 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3563 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3566 2006-06-08 Richard Guenther <rguenther@suse.de>
3569 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3570 only, if overflow is defined and not trapping.
3571 (negate_expr): Likewise.
3573 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3575 PR tree-optimization/27872
3576 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3577 flag on the new exit edge of the unrolled loop.
3579 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3581 PR rtl-optimization/26449
3582 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3584 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3587 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3588 referenced_variables with matching DECL_UID's.
3589 (find_referenced_vars): Make sure duplicate list is empty to start.
3590 (referenced_var_p): Remove.
3591 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3592 Check if var is in the list, and add if needed. Update the duplicate
3593 list if a different var is in the list with the same DECL_UID.
3594 (add_referenced_var): Call routine to check and insert.
3595 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3596 * tree-flow.h (referenced_vars_dup_list): External declaration.
3598 2006-06-07 Fred Fish <fnf@specifix.com>
3600 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3603 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3606 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3607 the imaginary and real parts of a clobbered register.
3608 Emit insn to set the imaginary part.
3610 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3612 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3613 in lieu of unwind-dw2-fde.c.
3615 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3617 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3619 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3622 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3623 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3624 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3625 V4SImode temporaries and operations instead.
3627 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3629 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3632 2006-06-06 Mike Stump <mrs@apple.com>
3634 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3635 installing during build.
3637 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3639 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3641 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3642 * config/ia64/ia64.c (params.h): New header.
3643 (ia64_optimization_options): New function to adjust parameters.
3644 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3645 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3646 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3648 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3650 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3652 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3655 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3657 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3658 Victor Kaplansky <victork@il.ibm.com>
3660 PR tree-optimization/26360
3661 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3664 2006-06-04 Roger Sayle <roger@eyesopen.com>
3665 Andrew Pinski <pinskia@physics.uc.edu>
3668 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3669 for LABEL_DECL before calling DECL_WEAK.
3672 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3673 LABEL_DECL and PARM_DECL.
3675 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3679 * c-decl.c (grokdeclarator): Disallow variably modified types at
3680 file scope. Avoid marking shared array type of constant size as
3683 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3686 * c-common.c (fold_offsetof_1): Handle static members.
3688 2006-06-04 Eric Christopher <echristo@apple.com>
3690 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3691 (debug_rli): Output value for remaining_in_alignment.
3692 (update_alignment_for_field): Unconditionalize
3693 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3694 extra alignment code.
3695 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3696 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3697 * tree.h (record_layout_info_s): Remove prev_packed.
3698 * doc/extend.texi (ms_struct): Add documentation of format.
3700 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3702 * tree.h: Declare folding_initializer.
3703 * builtins.c (fold_builtin_constant_p): Give definite answer
3704 if folding inside an initializer.
3705 * fold-const.c: Define folding_initializer.
3706 (START_FOLD_INIT): Save and then set folding_initializer.
3707 (END_FOLD_INIT): Restore folding_initializer.
3709 2006-06-04 Richard Guenther <rguenther@suse.de>
3711 PR tree-optimization/27039
3712 * fold-const.c (fold_comparison): Handle pointer comparison
3713 again for all comparison codes. Compare offsets in signed
3715 (fold_binary): Move code from here.
3717 2006-06-03 Roger Sayle <roger@eyesopen.com>
3720 * config/i386/i386.c (construct_container): Split static issued_error
3721 flag into issued_sse_arg_error, issued_sse_ret_error and
3722 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3723 requires the use of x87 registers and the user explicitly
3724 specified the -mno-80387 command line option.
3726 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3728 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3729 HAVE_DECL_SIGALTSTACK.
3731 (segv_handler): Use MC_FLD.
3732 * configure.ac: Check for a sigaltstack declaration.
3733 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3734 * configure: Regenerate.
3735 * config.in: Regenerate.
3737 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3740 * Makefile.in (stmp-fixinc): Fix typo.
3742 2006-06-02 Roger Sayle <roger@eyesopen.com>
3744 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3745 are type correct. Clean-up.
3746 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3747 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3749 2006-06-01 DJ Delorie <dj@redhat.com>
3751 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3752 shift, as we've disabled the "switch" insn that needs it.
3754 2006-06-01 Per Bothner <bothner@bothner.com>
3756 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3757 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3758 * c-ppoutput.c (cb_define): Don't increment line 0.
3760 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3762 * doc/invoke.texi: Add cpu_type power6.
3763 * config.gcc: Add cpu_type power6.
3764 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3765 to power5+ with Altivec.
3766 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3767 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3769 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3771 * config/avr/avr.h (SET_ASM_OP): Define.
3773 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3775 * config/bfin/bfin.c: Fix comment typos.
3777 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3780 * doc/install.texi: Document --enable-bootstrap and
3781 --disable-bootstrap.
3783 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3785 * doc/install.texi: Document that InfoZIP can replace jar.
3787 2006-05-31 Roger Sayle <roger@eyesopen.com>
3789 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3790 isn't available, directly generate the simpler x87 patterns without
3791 the (use (const_int 0)).
3792 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3793 implementation isn't available.
3794 (*negdf2_1): Likewise.
3795 (*negxf2_1): XF mode negation is always done using the x87.
3796 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3798 2006-05-31 Roger Sayle <roger@eyesopen.com>
3800 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3801 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3803 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3805 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3807 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3808 * config/bfin/bfin.c (basic-block.h): Include.
3809 (struct machine_function): New.
3810 (bfin_init_machine_status): New.
3811 (override_options): Initialize init_machine_status.
3812 (bfin_hardware_loop): New.
3813 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3814 (DEF_VEC_P (loop_info)): New.
3815 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3816 (struct loop_info): New.
3817 (loop_info): New typedef.
3818 (struct loop_work): New.
3819 (loop_work): New typedef.
3820 (DEF_VEC_O (loop_work)): New.
3821 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3822 (bfin_dump_loops): New.
3823 (bfin_bb_in_loop): New.
3824 (bfin_scan_loop): New.
3825 (bfin_optimize_loop): New.
3826 (bfin_reorg_loops): New.
3827 (bfin_reorg): Use bfin_reorg_loops.
3828 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3830 (I_REGNO_P): Simplify.
3831 (DP_REGNO_P, DPREG_P): New macros.
3832 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3833 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3834 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3835 Add LT_REGS, LC_REGS, LB_REGS.
3836 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3838 (REGNO_REG_CLASS): Deal with loop registers.
3839 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3841 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3842 New constants for loop registers.
3843 (UNSPEC_LSETUP_END): New.
3844 (seq_insns): New define_attr. Set it for appropriate insns.
3845 (movsi_insn): Add alternatives for move from/to
3846 loop count registers.
3847 (doloop_end): New define_expand.
3848 (loop_end): New define_insn.
3849 (define_split for bad doloop_end): New.
3850 (lsetup_with_autoinit): New define_insn.
3851 (lsetup_without_autoinit): New define_insn.
3852 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3853 * config/bfin/predicates.md (lc_register_operand): New.
3854 (lt_register_operand): New.
3855 (lb_register_operand): New.
3856 (nondp_register_operand): New.
3857 (nondp_reg_or_memory_operand): New.
3858 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3860 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3862 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3863 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3865 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3867 * Makefile.in (CATALOGS): Add po/ prefix.
3868 * configure: Regenerated.
3870 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3873 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3874 a shift operand before calling shift_op. Avoid redundant call of
3877 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3878 DJ Delorie <dj@redhat.com>
3880 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3881 we're inserting is a singlt-bit constant.
3883 2006-05-30 Roger Sayle <roger@eyesopen.com>
3885 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3886 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3888 2006-05-30 Roger Sayle <roger@eyesopen.com>
3890 PR tree-optimization/23452
3891 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3892 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3893 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3894 complex values and with -ffast-math for FP complex values.
3896 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3898 * c-common.h: Remove the prototype for yyparse.
3899 * rtl.h: Remove the prototype for init_loop.
3901 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3903 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3906 2006-05-30 Roger Sayle <roger@eyesopen.com>
3908 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3910 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3911 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3913 2006-05-30 Dirk Mueller <dmueller@suse.de>
3916 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3917 for CONSTANT_CLASS_P expresisons.
3919 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3922 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3924 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3926 PR tree-optimization/27779
3927 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3928 initial_condition instead of CHREC_LEFT.
3930 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3932 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3933 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3934 Make prototypes ISO C90.
3936 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3937 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3939 * see.c (see_analyze_one_def): Correct check.
3940 (see_get_extension_data): Check if extension is parallel.
3941 (see_get_extension_reg): Likewise.
3943 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3946 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3947 into register for (code == GTU).
3949 2006-05-29 Roger Sayle <roger@eyesopen.com>
3951 PR tree-optimization/24964
3952 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3953 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3954 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3955 abs(x)*abs(x) as x*x for scalar floating point modes.
3957 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3960 * lambda-code.c (perfect_nestify): Don't copy statements
3961 in the inner loop: move them to the inner loop header.
3963 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3966 * c-tree.texi: Document OpenMP directives and clauses.
3968 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3970 * varasm.c (globalize_decl): Fix indentation.
3972 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3975 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3976 pass_fre, pass_store_ccp, pass_copy_prop,
3977 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3978 pass_return_slot, pass_object_size, pass_lim,
3979 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3980 pass_loop_prefetch and pass_stdarg.
3982 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3984 * config/bfin/bfin.opt (mfdpic): New option.
3985 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3986 (EXTRA_MULTILIB_PARTS): Likewise.
3987 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3988 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3990 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3991 (CRT_CALL_STATIC_FUNCTION): New.
3992 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3994 (CRT_CALL_STATIC_FUNCTION): New.
3995 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3997 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3998 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3999 (initialize_trampoline): Changed to handle FD-PIC code generation.
4000 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4001 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4002 (override_options): Disallow -mid-shared-library -mfdpic combination.
4003 Can't do unaligned ops if FD-PIC.
4004 Turn off flag_pic if trying to generate non-id-shared-library
4005 non-fdpic code, since it's not supported.
4006 (bfin_assemble_integer): New function.
4007 (TARGET_ASM_INTEGER): Define.
4008 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4010 * config/bfin/crtn.s: Restore them.
4011 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4013 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4014 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4015 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4016 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4017 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4019 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4020 FDPIC_REGS and FDPIC_FPTR_REGS.
4021 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4022 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4023 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4024 (load_funcdescsi): New pattern.
4025 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4026 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4027 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4029 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4031 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4034 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4036 * tree-flow.h: Remove the prototype for add_type_alias.
4037 * tree-ssa-alias.c (add_type_alias): Remove.
4039 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4041 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4042 config/fr30/fr30.md, config/i386/i386-interix.h,
4043 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4044 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4045 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4046 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4047 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4048 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4049 Follow spelling conventions.
4050 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4051 Follow spelling conventions.
4053 2006-05-27 Richard Guenther <rguenther@suse.de>
4056 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4057 to produce a constant of value 1 of generic type.
4059 2006-05-27 Dirk Mueller <dmueller@suse.de>
4061 * cgraphunit.c (decide_is_function_needed): Fix wrong
4064 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4066 PR rtl-optimization/27661
4067 * reload.c (find_reloads): When reloading a VOIDmode constant
4068 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4069 use Pmode as mode of the reload register.
4071 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4073 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4074 is enabled at -O and above.
4076 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4079 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4082 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4085 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4086 for anonymous variables explicitly declared by front ends.
4088 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4090 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4091 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4092 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4093 ref-all pointers, run a finalization pass for them.
4094 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4095 (finalize_ref_all_pointers): New function.
4096 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4097 regular pointer type to a ref-all pointer type.
4098 (get_tmt_for): Return the special memory tag for ref-all pointers.
4100 2006-05-25 Richard Guenther <rguenther@suse.de>
4103 * fold-const.c (fold_binary): Do not look at the stripped
4104 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4106 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4108 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4109 for LT and GT if the computed range is effectively empty.
4111 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4114 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4115 mips_quad_format formats instead of ieee_single_format,
4116 ieee_double_format and ieee_quad_format formats, respectively.
4118 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4120 PR tree-optimization/27639
4121 PR tree-optimization/26719
4122 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4123 call to scev_probably_wraps_p.
4124 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4125 used_in_pointer_arithmetic_p, convert_step): Removed.
4126 (nowrap_type_p): New function.
4127 (scev_probably_wraps_p): Rewritten.
4128 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4129 chrec_convert if chrec_convert_aggressive might have been used.
4130 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4131 scev_direction): New functions.
4132 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4133 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4134 instead of convert_step.
4135 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4136 (convert_step): Declaration removed.
4137 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4139 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4141 * df-core.c: Added to header comments.
4142 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4143 df_ur_bb_info, df_urec_bb_info): Added comments.
4144 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4145 urec, ri problems): Fixed header comments.
4146 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4147 code from df_rd_transfer_function.
4149 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4151 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4152 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4153 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4155 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4157 * expr.c (undefined_operand_subword_p): New.
4158 (emit_move_multi_word): Do not generate move from undefined bits
4159 of a paradoxical subreg.
4161 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4163 PR rtl-optimization/27736
4164 * combine.c (replaced_rhs_value): New variable.
4165 (combine_instructions): Set it.
4166 (distribute_notes): When distributing a note in replaced_rhs_insn,
4167 check whether the value was used in replaced_rhs_value.
4169 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4172 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4173 add_referenced_var instead of add_referenced_tmp_var.
4174 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4175 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4177 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4178 tree_optimize_tail_calls_1): Use add_referenced_var.
4179 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4180 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4181 Use add_referenced_var.
4182 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4183 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4184 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4185 Use add_referenced_var.
4186 * tree-dfa.c (struct walk_state): Remove.
4187 (find_referenced_vars): Remove walk state and vars_found hash table.
4188 (make_rename_temp): Use add_referenced_var.
4189 (find_vars_r): Pass less parameters to add_referenced_var.
4190 (referenced_var_p): New. Is var in referenced_var hash table.
4191 (referenced_var_insert): Assert var isn't already in hash table.
4192 (add_referenced_var): Don't need walk_state parameter. Add var if it
4193 isn't already in the hash table.
4194 (add_referenced_tmp_var): Remove.
4195 (find_new_referenced_vars_1): Use add_referenced_var.
4196 * tree-ssa-pre.c (create_expression_by_pieces,
4197 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4198 Use add_referenced_var.
4199 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4200 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4201 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4203 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4204 vect_create_data_ref_ptr, vect_create_destination_var,
4205 vect_init_vector, vect_build_loop_niters,
4206 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4207 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4208 Use add_referenced_var.
4209 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4210 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4211 (add_referenced_var): Add prototype.
4212 * tree-ssa-structalias.c (get_constraint_for,
4213 intra_create_variable_infos): Use add_referenced_var.
4215 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4217 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4218 big-endian paradoxical subregs.
4219 * var-tracking.c (struct micro_operation_def): Document that,
4220 for modify micro operations, insn is the subsequent instruction.
4221 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4222 (var_reg_set, var_mem_set): ... new functions.
4223 (add_stores): Record subsequent insn.
4224 (compute_bb_dataflow): Use new functions for MO_USE.
4225 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4226 notes after the insn, and modify notes before the insn known
4227 to be the subsequent one.
4228 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4230 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4233 * config/i386/i386.c (ix86_expand_builtin): Use
4234 gen_sse3_monitor64 for TARGET_64BIT.
4236 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4238 PR rtl-optimization/26375
4239 PR rtl-optimization/26855
4240 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4242 (df_ru_bb_local_compute): Reversed statements and removed bogus
4243 comment explaining why they should be in wrong order.
4244 (df_ru_dump, df_rd_dump): Enhanced debug info.
4245 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4247 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4248 reaching uses and fixed space problem.
4250 2006-05-23 Jan Hubicka <jh@suse.cz>
4252 * cgraphunit.c (decide_is_function_needed): Also nested functions
4253 and functions declared inline can be optimized out at -O0.
4255 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4257 * doc/install.texi (Configuration): Remove reference to CrossGCC
4261 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4264 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4265 ix86_compare_emitted is non-NULL.
4267 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4270 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4273 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4275 PR rtl-optimization/25514
4276 * combine.c (replaced_rhs_insn): New variable.
4277 (combine_instructions): Set replaced_rhs_insn when trying to replace
4278 a SET_SRC with a REG_EQUAL note.
4279 (distribute_notes): Use replaced_rhs_insn when determining the live
4280 range of a REG_DEAD register.
4282 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4283 Anatoly Sokolov <aesok@post.ru>
4285 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4286 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4287 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4288 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4289 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4290 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4291 at90usb647, at90usb1286 and at90usb1287 devices.
4292 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4293 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4295 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4297 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4299 2006-05-22 Richard Guenther <rguenther@suse.de>
4302 2006-01-31 Richard Guenther <rguenther@suse.de>
4303 Paolo Bonzini <bonzini@gnu.org>
4305 * doc/install.texi (--disable-libgcc-math): Document.
4307 2006-05-22 Richard Guenther <rguenther@suse.de>
4310 2006-01-31 Richard Guenther <rguenther@suse.de>
4312 * doc/invoke.texi (-msselibm): Document.
4313 * target.h (expand_library_builtin): New target hook.
4314 * builtins.c (expand_builtin): Use expand_library_builtin.
4315 (default_expand_library_builtin): New function.
4316 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4317 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4318 (link_gcc_math_spec): Declare.
4319 (static_specs): Add link_gcc_math_spec.
4320 * expr.h (default_expand_library_builtin): Declare.
4321 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4322 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4323 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4324 * config/i386/i386.opt (msselibm): New target option.
4325 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4326 (ix86_init_sse_abi_builtins): New function.
4327 (ix86_expand_library_builtin): Likewise.
4328 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4329 (override_options): Handle error conditions wrt -msselibm.
4330 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4331 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4332 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4335 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4338 * c-common.c (self_promoting_args_p): Skip erroneous args.
4341 * c-decl.c (finish_struct): Skip erroneous fields.
4343 2006-05-22 Nick Clifton <nickc@redhat.com>
4345 * config/cris/cris.opt (march): Remove VarExists attribute.
4346 (max-stackframe=): Likewise.
4348 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4350 * doc/rtl.texi: Fix a typo.
4351 * see.c: Fix comment typos.
4353 * tree-ssa-structalias.h (alias_info): Remove num_references.
4355 2006-05-21 Mike Stump <mrs@apple.com>
4357 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4359 (darwin_pragma_options): Use BAD instead.
4360 (darwin_pragma_unused): Likewise.
4361 (darwin_pragma_ms_struct): Likewise.
4363 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4365 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4367 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4369 PR rtl-optimization/27671
4370 * simplify-rtx.c (simplify_relational_operation_1): Fix
4371 simplifications of (eq/ne (xor x y) y) and
4372 (eq/ne (xor x y) x).
4374 PR tree-optimization/26622.
4375 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4378 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4380 * tree-cfg.c: Prune whitespace.
4381 (debug_tree_cfg): Point to correct header containing the
4384 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4387 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4389 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4392 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4393 or sorry count is non zero.
4395 2006-05-20 Andreas Schwab <schwab@suse.de>
4397 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4399 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4400 Kenneth Zadeck <zadeck@naturalbridge.com>
4402 PR rtl-optimization/26855
4404 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4406 (df_scan_alloc): Added code to properly handle multiword hard
4407 registers and add all_blocks parameter.
4408 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4409 code to properly handle multiword hard registers.
4410 (df_rescan_blocks): Added code to remove deleted blocks from
4412 (df_ref_create_structure, df_ref_record): Added code to properly
4414 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4415 and set DF_REF_PARTIAL.
4416 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4417 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4418 (df_scan_add_problem): Added flags parameter.
4419 (df_ref_create_structure): Changed switching structure.
4420 (df_bb_refs_record): Fixed case where duplicate artificial refs
4421 were created. Changed location of flags.
4422 (df_record_entry_block_defs): Added code to make stack pointer
4423 live in entry block. Refined cases where frame pointer is needed.
4424 Changed location of flags.
4425 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4426 (df_set_state): Removed function.
4427 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4428 df_insn_create_insn_record, df_insn_refs_delete,
4429 df_ref_create_structure): Formatting changes.
4430 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4431 df_delete_basic_block): New function.
4432 (df_init): Changed location of flags.
4433 (df_add_problem): Added flags parameter and the way flags are
4435 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4436 debug_df_chain): Improved debugging output.
4437 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4438 (df_refs_chain_dump): Removed df parameter.
4439 (df_iterative_dataflow): Added consistency check.
4440 (df_prune_to_subcfg): Made public.
4441 (df_analyze_problem): Added blocks_to_init parameter and made
4443 (df_ref_record, df_bb_refs_record, df_mark_reg,
4444 df_record_exit_block_uses): Whitespace changes.
4445 (df_dump): Whitespace changes.
4446 * df.h: Some reordering to remove forward references.
4447 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4448 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4449 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4450 (dataflow.flags): New field.
4451 (df.flag): Deleted field.
4452 (df_alloc_function): Added additional bitmap parameter.
4453 (df_dependent_problem_function): New type.
4454 (df_problem.changeable_flags): New field.
4455 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4456 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4457 (df_mw_hardreg): New struct.
4458 (DF_INSN_UID_MWS): New macro.
4459 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4461 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4462 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4463 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4464 (df_set_state): Removed function.
4465 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4466 * df-problems.c (df_chain_dump): Removed df parameter.
4467 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4468 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4470 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4471 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4472 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4473 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4474 DF_REF_MUST_CLOBBER cases.
4475 (df_ru_bb_local_compute_process_def,
4476 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4477 df_lr_bb_local_compute, df_ur_bb_local_compute,
4478 df_chain_create_bb): Made subreg aware.
4479 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4480 df_lr_bb_local_compute, df_lr_bb_local_compute,
4481 df_chain_create_bb): Cleanup to use proper macros.
4482 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4483 code to fixup bitvectors.
4484 (df_ri_alloc): Cleared lifetime.
4485 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4486 df_create_unused_note): New function.
4487 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4488 REG_DEAD and REG_UNUSED notes as well as register information.
4489 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4490 df_chains_dump): Fixed crash if problem was never run.
4491 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4492 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4493 df_ri_add_problem): Processes flags in uniform manner.
4494 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4495 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4496 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4497 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4498 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4499 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4500 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4501 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4502 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4503 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4504 * see.c (see_initialize_data): Ditto.
4505 * final.c (rest_of_clean_state) Added regstack_completed.
4506 * rtl.h (regstack_completed): Ditto.
4507 * reg-stack.c (regstack_completed): Ditto.
4509 2006-05-19 Mike Stump <mrs@apple.com>
4511 * c-tree.h (default_conversion): Remove.
4512 * c-common.h (default_conversion): Add.
4514 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4516 * tree-vrp.c (valid_value_p): New function.
4517 (adjust_range_with_scev): Fail if the value of bound is not
4520 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4522 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4523 (mips_fallback_frame_state): Use syscall numbers to determine
4524 the appropriate li instruction for the current ABI. Only use
4525 __NR_sigreturn for o32.
4527 2006-05-19 Nicolas Setton <setton@adacore.com>
4529 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4530 * langhooks.c (lhd_dwarf_name): New function.
4531 * langhooks-def.h (lhd_dwarf_name): Declare.
4532 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4533 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4534 * ada/misc.c (gnat_dwarf_name): New function.
4535 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4537 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4539 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4541 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4542 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4543 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4544 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4545 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4546 determine the size of Wtype, etc.
4547 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4548 (swfloatfuncs): New variable.
4549 (dwfloatfuncs): Likewise.
4550 (lib2funcs): Remove floating-point conversion functions from
4551 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4552 the set of conversion routines needed. Allow entries to specify
4553 an object name, filename and word size. Update users accordingly.
4554 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4555 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4559 2006-02-08 Roger Sayle <roger@eyesopen.com>
4562 * config/fixtfdi.c: New libgcc source file.
4563 * config/fixunstfdi.c: New source file.
4564 * config/floatditf.c: New source file.
4565 * config/floatunditf.c: New souce file.
4566 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4567 files above instead of config/mips/_tilib.c.
4568 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4570 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4572 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4573 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4575 2006-05-18 Mike Stump <mrs@apple.com>
4577 Fix up vla, vm and [*] sematics.
4583 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4584 (c_vla_unspec_p): Add.
4585 (c_vla_type_p): Add.
4586 * c-decl.c (struct c_scope): Add had_vla_unspec.
4587 (build_array_declarator): Add support for [*].
4588 (grokdeclarator): Likewise.
4589 (grokparms): Likewise.
4590 (get_parm_info): Likewise.
4591 * c-objc-common.c (c_vla_unspec_p): Likewise.
4592 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4593 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4594 typeof when argument is a variably modified type not inside sizeof or alignof.
4595 (c_parser_direct_declarator_inner): Propagate errors.
4596 (c_parser_sizeof_expression): Add support for [*].
4597 (c_parser_parms_declarator): Initialize had_vla_unspec.
4598 (c_parser_parms_list_declarator): Likewise.
4599 * c-typeck.c (c_vla_type_p): Add.
4600 (composite_type): Add support for vla compositing.
4601 (comptypes_internal): Add support for vla compatibility.
4602 (c_expr_sizeof_expr): Evaluate vla arguments.
4603 * tree.c (variably_modified_type_p): Update comment for [*].
4605 2006-05-18 Michael Matz <matz@suse.de>
4608 * config.host: Make assignments to host_xmake_file cumulative.
4609 * config.host (*-darwin*): Test $host, not $target.
4611 2006-05-12 Stuart Hastings <stuart@apple.com>
4613 * config/i386/i386.opt (-mstackrealign): New flag.
4614 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4615 (ix86_handle_cconv_attribute): Emit error when
4616 force_align_arg_pointer attribute collides with too many regparms.
4617 (ix86_function_regparm): Limit regparms when used with
4618 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4619 Support stack-realigning prologue in non-main functions. Emit
4620 warning for nested functions under -mstackrealign, emit error for
4621 nested functions with force_align_arg_pointer attribute.
4622 * doc/extend.texi (force_align_arg_pointer): Document it.
4623 * doc/invoke.texi (-mstackrealign): Document it.
4625 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4627 PR rtl-optimization/27477
4628 * combine.c (try_combine): Don't split a parallel consisting
4629 of two sets into two individual sets if both sets reference
4632 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4634 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4635 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4637 * doc/options.texi (VarExists): Updated.
4639 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4641 * unwind-dw2.c: Add declarations for uw_update_context and
4643 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4644 detected, advance frame state and context once to skip over stub.
4646 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4650 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4651 Call rewrite_into_loop_closed_ssa only when something changed.
4652 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4653 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4654 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4655 Test for perfect_nest_p here. Fix formating.
4656 (replace_uses_equiv_to_x_with_y): Fix formating.
4657 (stmt_uses_op): Removed.
4658 (can_convert_to_perfect_nest): Removed loopivs parameter.
4659 Complete the test by checking the scalar dependences.
4660 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4663 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4666 From Dan Kegel <dank@kegel.com>:
4667 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4669 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4671 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4672 if the element type is variably modified without recursing.
4674 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4677 * tree-loop-linear.c (try_interchange_loops): Test for
4678 no data dependences.
4680 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4682 PR tree-optimization/27548
4683 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4684 range of ssa names that appear on abnormal edges.
4685 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4686 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4688 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4691 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4693 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4696 * tree.h (OMP_PARALLEL_COMBINED): Define.
4697 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4698 (new_omp_context): Add is_combined_parallel argument.
4699 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4700 new_omp_context caller.
4701 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4702 Adjust gimplify_scan_omp_clauses callers.
4703 (omp_is_private): Issue errors if iteration variable is firstprivate
4704 or reduction in the current context.
4705 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4706 on combined parallel workshare constructs.
4708 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4710 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4711 (gcc-options.o): New rule.
4713 * optc-gen.awk: Protect variables for gcc-options.o with
4714 #ifdef GCC_DRIVER/#endif.
4716 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4718 Fix PR tree-optimization/27373
4719 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4720 (forward_propagate_addr_expr): Update call.
4722 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4724 * doc/options.texi: Move the Negative option.
4726 2006-05-16 Richard Guenther <rguenther@suse.de>
4728 PR tree-optimization/22303
4729 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4731 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4732 ccp_fold did not simplify the statement.
4734 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4737 * Makefile.in (GCC_OBJS): New.
4738 (OBJS-common): Add opts-common.o.
4739 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4740 (cpp$(exeext)): Likewise.
4741 (gcc.o): Also depend on opts.h.
4742 (opts-common.o): New.
4744 * common.opt (gcoff): Add Negative(gdwarf-2).
4745 (gdwarf-2): Add Negative(gstabs).
4746 (gstabs): Add Negative(gstabs+).
4747 (gstabs+): Add Negative(gvms).
4748 (gvms): Add Negative(gxcoff).
4749 (gxcoff): Add Negative(gxcoff+).
4750 (gxcoff+): Add Negative(gcoff).
4751 * config/i386/i386.opt (m32): Add Negative(m64).
4752 (m64): Add Negative(m32).
4754 * doc/options.texi: Document the Negative option.
4756 * gcc.c: Include "opts.h".
4757 (main): Call prune_options after expandargv.
4759 * optc-gen.awk: Generate common declarations for all flag
4760 variables in options.c. Output the neg_index field.
4762 * opts.c (find_opt): Moved to ...
4763 * opts-common.c: Here. New file.
4765 * opts.h (cl_option): Add a neg_index field.
4767 (prune_options): Likewise.
4769 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4772 * omp-low.c (expand_omp_parallel): Don't assert
4773 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4774 instead search for it.
4777 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4780 2006-05-16 Andreas Schwab <schwab@suse.de>
4782 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4785 2006-05-15 Roger Sayle <roger@eyesopen.com>
4788 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4789 integer constants other than zero are only legitimate on TARGET_64BIT.
4790 <CONST_VECTOR> Only zero vectors are legitimate.
4791 (ix86_cannot_force_const_mem): Integral and vector constants can
4792 always be put in the constant pool.
4794 2006-05-16 DJ Delorie <dj@redhat.com>
4796 * crtstuff.c (__dso_handle): Set section from
4797 TARGET_LBIGCC_SDATA_SECTION if defined.
4798 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4799 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4801 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4804 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4807 2006-05-16 Ben Elliston <bje@au.ibm.com>
4809 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4811 2006-05-15 Per Bothner <per@bothner.com>
4813 * tree.c: (last_annotated_node): Use source_locus typedef.
4814 This permits bootstrapping with --enable-mapped-location.
4816 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4818 PR tree-optimization/26830
4819 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4820 (info_for_ssa_name, current_info_for_ssa_name_age,
4821 blocks_to_update): New variables.
4822 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4823 (clear_ssa_name_info, initialize_flags_in_bb,
4824 mark_block_for_update): New functions.
4825 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4826 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4827 prepare_def_site_for): Use mark_block_for_update.
4828 (mark_def_interesting): Assert that the processed block is marked in
4829 blocks_to_update. Do not take blocks argument.
4830 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4832 (rewrite_update_init_block, rewrite_update_stmt): Only process
4833 blocks with statements to rewrite.
4834 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4835 (update_ssa): Initialize and free blocks_to_update. Do not
4836 clear flags on statements. Do not use blocks bitmap.
4837 * tree.h (SSA_NAME_AUX): Removed.
4838 (struct tree_ssa_name): Removed aux field.
4839 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4841 2006-05-15 Richard Guenther <rguenther@suse.de>
4843 PR tree-optimization/27603
4844 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4845 Do computations in original type.
4847 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4849 * see.c: Code style changes such as redundant paranthesis,
4850 redundant intialization of local variables etc.
4851 (see_main): Declared now as static.
4852 * doc/invoke.texi: Update that -fsee is not enabled by
4855 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4857 * omp-low.c (check_omp_nesting_restrictions): New function.
4858 (scan_omp_1): Call it.
4861 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4862 construct, return *VAR.
4864 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4866 PR rtl-optimization/27406
4867 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4870 2006-05-14 Roger Sayle <roger@eyesopen.com>
4872 PR rtl-optimization/27538
4873 * combine.c (expand_compound_operation): Call gen_lowpart
4874 before calling simplify_shift_const.
4876 2006-05-14 Roger Sayle <roger@eyesopen.com>
4878 PR rtl-optimization/22563
4879 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4880 a fixed width bitfield, always force the intermediates into psuedos.
4882 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4885 * mkconfig.sh: Use operator = instead of == for test.
4887 2006-05-13 Nick Clifton <nickc@redhat.com>
4889 * dwarf2out.c (dbx_reg_number): Check return value from
4890 LEAF_REG_REMAP and only use it if it is valid.
4891 (multiple_reg_loc_descriptor): Likewise.
4893 2006-05-13 Richard Guenther <rguenther@suse.de>
4895 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4898 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4900 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4901 information attached to non-INSNs such as NOTEs.
4902 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4904 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4906 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4908 * config/s390/s390.md: Adjust comment describing On constraint.
4910 2006-05-11 Jan Hubicka <jh@suse.cz>
4912 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4913 to be output at -O0.
4915 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4918 * fold-const.c (size_binop): Move sanity check for arguments to
4919 the beginning of the function.
4922 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4925 2006-05-11 Richard Guenther <rguenther@suse.de>
4928 * fold-const.c (fold_unary): Handle intermediate conversion
4929 to a pointer type like intermediate conversion to an integer
4930 type in folding of (T1)(T2)var to var.
4931 Match the code to the comment in the final conversion for
4932 (T1)(T2)var to (T1)var regarding to type precision. Rather
4933 than disallow T1 being of pointer type, assert that both T1
4934 and var are of pointer type or not. Make sure not to fall
4935 over the frontends lazyness wrt array to pointer decay though.
4937 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4939 * arm.c (arm_struct_value_rtx): Delete.
4940 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4941 (arm_init_cumulative_args): Always initialize nregs to zero.
4943 2006-05-10 Richard Guenther <rguenther@suse.de>
4945 PR tree-optimization/27532
4946 * tree-object-size.c (plus_expr_object_size): Fix typo.
4948 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4951 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4952 ashrdi_const, ashrdi3): Use a scratch register.
4954 2006-05-10 Richard Guenther <rguenther@suse.de>
4956 PR tree-optimization/27302
4957 * fold-const.c (operand_equal_p): For two comparisons,
4958 try comparison of one comparison code swapped if that yields
4961 2006-05-10 Ben Elliston <bje@au.ibm.com>
4963 * tree-pretty-print.c (pretty_print_string): No need to handle
4964 '\0' as a special character.
4966 * tree.h: Include "hashtab.h".
4967 (iterative_hash_expr): Use hashval_t in its prototype.
4968 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4970 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4973 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4974 (hppa*64*-*-hpux11*): Ditto.
4975 (hppa[12]*-*-hpux11*): Ditto.
4977 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4980 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4982 2006-05-09 Michael Matz <matz@suse.de>
4984 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4985 host_extra_gcc_objs and host_xmake_file.
4986 (<*-*-linux*>): Don't overwrite host_xmake_file.
4987 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4988 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4989 (host_detect_local_cpu): Declare.
4990 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4991 * config/i386/i386.c (override_options): Handle -mtune=native
4993 * config/i386/x-i386: New file.
4994 * config/i386/driver-i386.c: New file.
4995 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4998 2006-05-09 Dirk Mueller <dmueller@suse.de>
4999 Richard Guenther <rguenther@suse.de>
5002 * fold-const.c (fold_read_from_constant_string): Relax check
5003 for matching types to matching modes.
5005 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5007 PR rtl-optimization/27335
5008 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5011 2006-05-08 Chao-ying Fu <fu@mips.com>
5012 Richard Sandiford <richard@codesourcery.com>
5014 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5015 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5016 * config/mips/mips.md (UNSPEC_SCC): New constant.
5017 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5018 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5019 (mips_emit_compare): Use it.
5020 (mips_expand_vcondv2sf): New function.
5022 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5024 Fix PR tree-optimization/27093
5025 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5026 renaming when they become not-used_alone.
5028 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5030 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5031 relocation and relocation stubs.
5033 2006-05-08 Eric Christopher <echristo@apple.com>
5035 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5038 2006-05-08 Jan Hubicka <jh@suse.cz>
5041 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5042 unused static functions are needed.
5044 2006-05-08 Roger Sayle <roger@eyesopen.com>
5047 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5048 of a reg_equiv_constant if the result is a legitimate constant.
5050 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5053 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5054 standard 80387 constants, raise the cost to prevent
5055 compress_float_constant() to generate load from memory.
5057 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5059 * config/arm/constraints.md (c): Fix a typo.
5061 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5064 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5067 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5069 (_mm_mwait): Likewise.
5071 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5073 (sse3_monitor): Make it 32bit only.
5074 (sse3_monitor64): New. 64bit monitor.
5076 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5079 * config/i386/i386.c (classify_argument): Skip fields with invalid
5082 2006-05-07 Richard Guenther <rguenther@suse.de>
5084 PR tree-optimization/27409
5085 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5086 Do not try to find zero-sized subvars.
5088 2006-05-07 Richard Guenther <rguenther@suse.de>
5090 PR tree-optimization/27136
5091 * tree-ssa-loop-niter.c (get_val_for): Correct function
5092 comment, assert requirements.
5093 (loop_niter_by_eval): Stop processing if the iterated
5094 value did not simplify.
5096 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5098 * opts.c (flag_see): remove its setting at -O3.
5100 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5102 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5103 * arm/constraints.md: New file.
5104 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5105 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5106 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5107 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5108 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5109 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5110 * arm.md: Include constraints.md.
5111 (thumb_movsi_insn): Use satisfies_constraint_J.
5112 (movhi, movqi): Use satisfies_constraint_I.
5114 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5116 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5117 for atmeg a645 device.
5119 2006-05-06 Richard Guenther <rguenther@suse.de>
5121 PR tree-optimization/27151
5122 * tree-vect-transform.c (vectorizable_condition): Punt on
5123 values that have a different type than the condition.
5125 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5128 * c-parser.c (c_parser_cast_expression): Only insert casts into
5129 hash table if pointer.
5130 * function.c (used_types_insert_helper): Rename from
5132 (used_types_insert): Call used_types_insert_helper.
5133 * function.h (used_types_insert): Accept only one argument.
5135 2006-05-05 David Edelsohn <edesohn@gnu.org>
5137 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5138 scratch with output modifier.
5140 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5143 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5144 with output modifier.
5146 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5149 * config/mips/mips.c (mips_symbolic_address_p): Return true
5150 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5151 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5153 2006-05-04 Richard Guenther <rguenther@suse.de>
5155 PR tree-optimization/14287
5156 PR tree-optimization/14844
5157 PR tree-optimization/19792
5158 PR tree-optimization/21608
5159 PR tree-optimization/27090
5160 * tree-ssa-pre.c (try_combine_conversion): New function.
5161 (compute_avail): After constructing the value-handle
5162 expression, use try_combine_conversion to combine NOP_EXPRs
5163 with previous value-handle expressions and use the result if it
5166 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5168 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5170 2006-05-04 Jan Hubicka <jh@suse.cz>
5173 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5175 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5177 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5178 that this only matches CONST_INTs. All users changed to VOIDmode
5181 * config/bfin/bfin.c: Include "optabs.h".
5182 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5184 (enum bfin_builtins): Add a number of fractional and vector builtins.
5185 (bfin_init_builtins): Likewise.
5186 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5187 (safe_vector_operand, bfin_expand_binop_builtin,
5188 bfin_expand_unop_builtin): New functions.
5189 (bfin_expand_builtin): Handle the new builtins.
5190 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5193 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5196 * Makefile.in (OBJS-common): Add see.o.
5197 (see.o): Add dependencies.
5198 * common.opt (fsee): New flag for the see optimization was added.
5199 * opts.c (flag_see): Initialized.
5200 * passes.c (init_optimization_passes, pass_see): New pass.
5201 * rtl.h (see_main): Declaration as extern.
5202 * timevar.def (TV_SEE): New.
5203 * tree-pass.h (pass_see): Declaration as extern.
5204 * invoke.texi (-fsee): Document.
5205 * recog.c (validate_simplify_insn): New function.
5206 * recog.h (validate_simplify_insn): Declaration as extern.
5207 * df-problems.c (df_chain_dump): Check for NULL.
5209 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5210 Daniel Berlin <dberlin@dberlin.org>
5212 * cfgrtl.c (insert_insn_bb_end_new): New function.
5213 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5215 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5217 * df.h (struct web_entry): Moved from web.c.
5218 (union_defs): Declaration as extern.
5219 (unionfind_root): Likewise.
5220 (unionfind_union): Likewise.
5221 * web.c (struct web_entry): Moved to df.h.
5222 (unionfind_root): Remove static declaration.
5223 (unionfind_union): Likewise.
5224 (union_defs): Likewise and generalize to use callback function.
5225 (web_main): Update arguments for union_defs function call.
5227 2006-05-04 Richard Guenther <rguenther@suse.de>
5229 PR tree-optimization/26447
5230 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5231 produce SSA_NAME copies before the store stmt to avoid
5232 breaking exception handling.
5234 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5237 * gimplify.c (omp_is_private): If var is shared in some outer context,
5238 return false instead of true. Stop searching on parallel context
5241 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5244 * coverage.c: Use get_gcov_unsigned_t() instead of
5245 unsigned_type_node all over.
5247 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5249 PR tree-optimization/27381
5250 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5251 maintain the same immediate_use links.
5252 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5253 node rather than segfaulting.
5255 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5258 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5259 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5260 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5262 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5264 Fix PR tree-optimization/26626
5265 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5267 * tree-ssa-operands.c (access_can_touch_variable): Allow
5268 typecasting through union pointers.
5270 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5273 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5274 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5275 to find if var will be a global variable even in the nested context.
5276 (omp_copy_decl): Only check for global variable at the end, it might
5277 be overridden in outer contexts.
5278 (scan_sharing_clauses): For global variables don't create a field.
5279 (lower_rec_input_clauses): Do nothing for global shared variables.
5280 Emit a barrier at the end of ILIST if there were any decls in both
5281 firstprivate and lastprivate clauses.
5282 (lower_send_clauses): Do nothing for global variables except for
5285 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5287 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5288 of the correct signedness is returned.
5290 2006-05-02 Jeff Law <law@redhat.com>
5292 PR tree-optimization/27364
5293 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5294 multiply expressions.
5296 2006-05-02 Tom Tromey <tromey@redhat.com>
5298 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5300 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5303 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5304 -mthumb -fPIC are used.
5306 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5307 Joshua Kinard <kumba@gentoo.org>
5310 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5311 with 64-bit pointers.
5313 2006-05-02 Paul Brook <paul@codesourcery.com>
5315 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5317 (create_fix_barrier): Check that a suitable barrier location is
5319 (arm_reorg): Include ftmp->address in allowable range of addresses.
5321 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5324 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5327 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5330 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5331 around RESULT_DECL for result passed by reference.
5332 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5333 * omp-low.c (use_pointer_for_field): Don't look at
5334 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5335 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5336 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5337 time or var for passing by reference for
5338 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5339 TREE_ADDRESSABLE variables when passing by reference.
5341 * omp-low.c (dump_omp_region): Fix output formatting.
5344 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5345 (expand_omp_parallel): Likewise.
5346 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5349 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5350 on statement list containing also constructors and destructors.
5351 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5354 * except.c (duplicate_eh_regions): Fix clearing of
5355 cfun->eh->region_array entries.
5357 2006-05-01 DJ Delorie <dj@redhat.com>
5359 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5361 (gcc_cv_objdump): Likewise.
5362 * configure: Regenerated.
5364 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5367 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5368 templates for case 3 and 4.
5370 2006-05-01 DJ Delorie <dj@redhat.com>
5372 * vec.c: Include bconfig.h when appropriate.
5373 * Makefile.in (build/vec.o): Adjust dependencies.
5374 * mkconfig.sh: Make sure config.h isn't used for build machine
5377 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5379 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5381 (mark_phi_for_rewrite): New function.
5382 (insert_phi_nodes_for, mark_use_interesting): Call
5383 mark_phi_for_rewrite.
5384 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5385 (update_ssa): Initialize and free phis_to_rewrite.
5387 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5389 PR rtl-optimization/27291
5390 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5391 folded to a constant.
5393 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5395 PR tree-optimization/27283
5396 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5397 not whole # of iteration descriptions.
5398 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5399 uses abnormal ssa name.
5400 (niter_for_single_dom_exit): Ditto.
5401 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5402 return just the number of iterations.
5404 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5406 PR tree-optimization/27144
5407 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5408 (record_estimate): Only record constant upper bound.
5409 (infer_loop_bounds_from_undefined): Call
5410 compute_estimated_nb_iterations just once.
5411 (proved_non_wrapping_p): Renamed to ...
5412 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5413 (convert_step_widening, scev_probably_wraps_p): Call
5414 n_of_executions_at_most instead of proved_non_wrapping_p.
5415 (substitute_in_loop_info): Do not replace values in bounds.
5416 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5419 2006-05-01 Richard Henderson <rth@redhat.com>
5422 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5423 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5426 2006-05-01 Roger Sayle <roger@eyesopen.com>
5428 * c-typeck.c (parser_build_binary_op): Don't call the function
5429 unsigned_conversion_warning to spot operand/result type overflow.
5430 (build_binary_op): Instead, call convert_and_check instead of
5431 convert to report the problem when the operands are promoted.
5432 * c-common.c (unsigned_conversion_warning): Make static.
5433 * c-common.h (unsigned_conversion_warning): Delete prototype.
5435 2006-05-01 Richard Guenther <rguenther@suse.de>
5437 PR tree-optimization/26726
5438 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5440 (find_interesting_uses_address): ... we work around here
5441 by folding INDIRECT_REFs in the substituted base.
5443 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5445 * omp-low.c (dump_omp_region): Add newlines.
5447 2006-04-30 Roger Sayle <roger@eyesopen.com>
5449 * common.opt (Woverflow): New command line option.
5450 * c-common.c (constant_expression_warning): Check warn_overflow.
5451 (overflow_waring): Pass OPT_Woverflow to warning.
5452 (unsigned_conversion_warning): Likewise.
5453 (convert_and_check): Likewise.
5454 * doc/invoke.texi: Document new command line option.
5456 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5458 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5459 TARGET_NO_FP_IN_TOC for section anchors.
5460 (optimization_options): Enable section anchors for all
5461 non-"Objective" languages.
5463 2006-04-28 Eric Christopher <echristo@apple.com>
5465 * config/darwin-c.c (darwin_ms_struct): Move this
5466 (darwin_set_default_type_attributes): and this...
5467 * config/darwin.c: ... here.
5468 * config/darwin.h (darwin_ms_struct): Declare.
5470 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5472 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5474 2006-04-28 Roger Sayle <roger@eyesopen.com>
5477 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5478 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5479 an unsigned HOST_WIDE_INT.
5480 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5482 (really_start_incremental_init): No need to call convert because
5483 bitsize_zero_node is already of type bitsizetype.
5484 (push_init_level): Extract the value of constructor_index as an
5485 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5486 (process_init_element): Likewise.
5488 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5490 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5491 value before passing to make_relative_prefix.
5493 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5496 * builtins.c (expand_builtin_memset): Expand val in original mode.
5498 2006-04-27 Eric Christopher <echristo@apple.com>
5500 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5501 with #ifndef/#endif.
5502 * config/darwin-c.c (darwin_ms_struct): New.
5503 (darwin_pragma_ms_struct): Ditto.
5504 (darwin_set_default_type_attributes): Ditto.
5505 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5506 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5507 Register ms_struct pragma.
5508 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5509 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5510 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5511 darwin_set_default_type_attributes if TARGET_MACHO.
5513 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5515 PR tree-optimization/26854
5516 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5517 * doc/tree-ssa.texi: Update immuse iterator documentation.
5518 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5519 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5520 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5521 first_safe_imm_use, next_safe_imm_use): Remove.
5522 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5523 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5524 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5525 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5526 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5527 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5528 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5529 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5530 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5531 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5532 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5533 (perfect_nestify): Use new iterator.
5534 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5536 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5537 (next_imm_name): New field in struct immediate_use_iterator_d.
5538 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5539 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5540 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5541 * tree-cfg.c (replace_uses_by): Use new iterator.
5542 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5543 * tree-ssa-operands.c (correct_use_link): Remove.
5544 (finalize_ssa_use_ops): No longer call correct_use_link.
5546 2006-04-27 Stuart Hastings <stuart@apple.com>
5548 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5549 * config/t-darwin (crt3.o): Use it.
5550 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5551 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5552 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5553 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5554 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5557 2006-04-27 Roger Sayle <roger@eyesopen.com>
5559 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5560 size, force the intermediate into a new pseudo rather instead of
5561 performing both a bitwise AND and a bitwise IOR in memory.
5563 2006-04-27 Richard Guenther <rguenther@suse.de>
5565 PR rtl-optimization/26685
5566 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5567 this one "max-flow-memory-locations".
5569 2006-04-27 Richard Guenther <rguenther@suse.de>
5571 PR tree-optimization/25148
5572 * tree-vrp.c (compare_values): Remove code dealing with
5573 comparisons against type min/max value. Honour overflow
5574 and negative constants in code dealing with comparisons
5575 of plus and minus expressions.
5576 (value_inside_range): Use fold_binary with LE_EXPR and
5577 GE_EXPR rather than compare_values.
5579 2006-04-27 Dirk Mueller <dmueller@suse.de>
5581 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5584 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5586 * basic-block.h (safe_insert_insn_on_edge): Removed.
5587 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5589 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5590 Paolo Bonzini <bonzini@gnu.org>
5593 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5594 (simplify_and_const_int): Same.
5596 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5598 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5600 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5603 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5604 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5605 cgraph_global_info_ready.
5608 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5611 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5612 either decl or init is error_mark_node.
5615 * tree-flow.h (struct omp_region): Add sched_kind.
5616 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5617 instead of extracting omp for data.
5618 (expand_omp_for): Save extracted sched_kind.
5620 2006-04-25 Roger Sayle <roger@eyesopen.com>
5622 * expmed.c (store_bit_field): Also check whether the bitsize is
5623 valid for the machine's "insv" instruction before moving the
5624 target into a pseudo for use with the insv.
5625 * config/i386/predicates.md (const8_operand): New predicate.
5626 * config/i386/i386.md (extv, extzv, insv): Use the new
5627 const8_operand predicate where appropriate.
5629 2006-04-25 DJ Delorie <dj@redhat.com>
5631 * doc/install.texi (Specific): Clarify that this is not a list of
5632 supported hosts or targets.
5634 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5636 PR rtl-optimization/26725
5637 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5638 block's BB_DIRTY flag.
5640 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5642 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5645 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5646 to print an integer.
5648 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5650 * varasm.c (align_variable): New function.
5651 (get_block_for_decl): Apply align_variable to DECL before
5652 calculating section information.
5653 (assemble_variable): Split out alignment computation.
5655 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5657 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5660 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5662 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5663 MODE_PARTIAL_INT mode.
5664 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5665 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5667 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5668 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5670 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5672 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5674 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5675 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5676 MACFLAG_IH): Likewise.
5677 (movstricthi_1): Renamed from "*movstricthi".
5678 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5679 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5680 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5681 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5682 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5683 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5684 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5685 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5686 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5687 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5688 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5689 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5690 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5691 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5692 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5694 * doc/rtl.texi (ss_ashift): Improve wording.
5696 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5698 * dwarf2out.c (verify_marks_clear): New.
5699 (prune_unused_types): Call verify_marks_clear initially, not
5702 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5704 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5705 * doc/rtl.texi: Document them.
5706 * simplify-rtx.c (simplify_unary_operation,
5707 simplify_binary_operation_1): Don't abort when we see them.
5709 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5712 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5713 * configure.ac: Completely disregard languages that are not
5715 * configure: Regenerated.
5717 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5718 Richard Guenther <rguenther@suse.de>
5720 PR tree-optimization/27236
5721 * tree-inline.c (copy_body_r): Make sure to copy
5722 TREE_THIS_VOLATILE flag.
5724 2006-04-24 Richard Guenther <rguenther@suse.de>
5727 * tree-complex.c (update_parameter_components): Don't handle
5728 unused parameters which have no default def.
5730 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5731 Richard Guenther <rguenther@suse.de>
5733 PR tree-optimization/27218
5734 * tree-inline.c (expand_call_inline): Strip useless type
5735 conversions for the return slot address.
5737 2006-04-24 Richard Guenther <rguenther@suse.de>
5739 * cfgloop.h (struct loops): Remove unused field array. Reorder
5741 (LOOP_PREFETCH): Remove.
5743 2006-04-24 Richard Guenther <rguenther@suse.de>
5745 PR tree-optimization/22525
5746 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5747 variable, adjust types of generated expressions.
5749 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5751 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5752 (tree-vect-patterns.o): Likewise.
5754 (cselib.o): Likewise.
5755 (loop-doloop.o): Likewise.
5756 (regclass.o): Likewise.
5757 (reload1.o): Likewise.
5758 (explow.o): Replace target.h with $(TARGET_H).
5759 (ipa-prop.o): Likewise.
5760 (ipa-cp.o): Likewise.
5761 (ipa-inline.o): Likewise.
5762 (reorg.o): Likewise.
5763 (reg-stack.o): Likewise.
5765 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5767 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5769 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5771 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5773 * configure.ac: Completely disregard languages that are not
5775 * configure: Regenerated.
5778 * c-common.h (c_build_bitfield_integer_type): Declare.
5779 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5780 * c-common.c (c_build_bitfield_integer_type): ... here.
5782 2006-04-23 Roger Sayle <roger@eyesopen.com>
5785 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5786 a SImode SUBREG of a floating point register after no_new_pseudos.
5788 2006-04-23 Roger Sayle <roger@eyesopen.com>
5790 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5791 identify potentially eliminable registers to additionally catch
5792 VIRTUAL_INCOMING_ARGS_REGNUM.
5793 (addsi3): Update the conditions on when to use addsi_small_int.
5795 2006-04-23 Roger Sayle <roger@eyesopen.com>
5798 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5799 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5800 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5802 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5804 * fold-const.c (range_predecessor): Use operand_equal_p
5805 as the predicate for equality.
5806 (range_successor): Likewise.
5808 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5811 * config/soft-fp/op-common.h: Fix a typo.
5813 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5816 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5817 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5819 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5821 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5823 * doc/tm.texi: Fix a typo.
5825 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5827 * dwarf2out.c (struct die_struct): Document that die_sib makes
5828 a circular linked list.
5829 (FOR_EACH_CHILD): New.
5830 (reverse_die_lists): Delete.
5831 (reverse_all_dies): Delete.
5832 (add_dwarf_attr): Correct documentation.
5833 (remove_child_with_prev): New.
5834 (remove_child_TAG): Update for change to die_struct, use
5835 remove_child_with_prev.
5836 (add_child_die): Update for change to die_struct.
5837 (splice_child_die): Use remove_child_with_prev and add_child_die.
5838 (print_die): Use FOR_EACH_CHILD.
5839 (die_checksum): Likewise.
5840 (assign_symbol_names): Likewise.
5841 (output_location_lists): Likewise.
5842 (build_abbrev_table): Likewise.
5843 (calc_die_sizes): Likewise.
5844 (mark_dies): Likewise.
5845 (unmark_dies): Likewise.
5846 (unmark_all_dies): Likewise.
5847 (output_die): Likewise.
5848 (prune_unused_types_mark): Likewise.
5849 (prune_unused_types_walk): Likewise.
5850 (same_die_p): Update for change to die_struct.
5851 (break_out_includes): Likewise.
5852 (prune_unused_types_prune): Likewise.
5853 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5854 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5856 (dwarf2out_finish): Don't call reverse_all_dies.
5858 2006-04-21 Eric Christopher <echristo@apple.com>
5860 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5861 in comments and function names.
5863 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5866 * c-typeck.c (digest_init): Robustify.
5868 * c-typeck.c (pop_init_level): Simplify.
5870 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5872 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5874 2006-04-21 Paul Brook <paul@codesourcery.com>
5876 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5877 hardware floating point.
5879 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5881 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5884 2006-04-21 Nick Clifton <nickc@redhat.com>
5886 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5889 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5892 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5893 C++ lang type in traceback table for Objective-C++.
5895 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5897 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5899 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5901 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5904 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5905 were errors. Remove check for erroneous objects.
5907 2006-04-20 Jeff Law <law@redhat.com>
5909 PR tree-optimization/26854
5910 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5911 checking for zero or one use.
5912 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5913 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5914 * tree-ssa-reassoc.c (negate_value): Similarly.
5915 (reassociate_bb): Similarly.
5917 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5919 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5920 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5921 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5923 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5925 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5926 fp regs if the last fp arg doesn't fit in regs.
5928 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5931 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5932 that the last insn has the REG_INC note.
5934 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5935 Nathan Sidwell <nathan@codesourcery.com>
5938 * stor-layout.c (update_alignment_for_field): Do not align
5940 (place_union_field): Place union field at the start of the union.
5941 (place_field): Move ERROR_MARK check later, and use the current
5942 allocation position to maintain monotonicity.
5944 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5946 * dominance.c: Include timevar.h.
5947 (calculate_dominance_info): Use TV_DOMINANCE.
5948 * timevar.def (TV_DOMINANCE): New timevar.
5949 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5951 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5953 PR rtl-optimization/14261
5954 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5955 move would be an INSV insn.
5956 (noce_process_if_block): Don't optimize if the destination is a
5957 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5959 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5961 * config/s390/s390.md: Add comments with the instructions emitted
5962 by an insn pattern if macros are used.
5964 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5966 PR rtl-optimization/26026
5967 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5968 is a known power of two shifted left a variable amount.
5970 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5972 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5973 to hash table twice when the debug_str section has SECTION_MERGE.
5975 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5977 * config/soft-fp: New directory. From glibc.
5978 * config/soft-fp/t-softfp: New.
5979 * config/soft-fp/README: New.
5980 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5981 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5982 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5983 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5984 * config.gcc: Use rs6000/t-fprules-fpbit or
5985 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5987 * config/rs6000/sfp-machine.h: New. Based on glibc.
5988 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5990 * config/rs6000/t-fprules: Remove fp-bit rules.
5991 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5992 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5993 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5994 (softfp_wrap_start, softfp_wrap_end): New.
5996 2006-04-18 DJ Delorie <dj@redhat.com>
5998 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6000 2006-04-18 Devang Patel <dpatel@apple.com>
6002 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6004 2006-04-18 Nick Clifton <nickc@redhat.com>
6006 * config/sh/t-symbian: Add rule to build sh-c.o
6007 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6008 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6009 (sh_symbian_encode_section_info): Likewise.
6011 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6013 * builtins.c (expand_builtin_strcmp): Cover label definition of
6014 do_libcall with HAVE_cmpstrnsi.
6016 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6018 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6020 * function.h (temp_slot_p): New.
6021 (function): Change the type of x_used_temp_slots to
6022 VEC(temp_slot_p,gc) *.
6024 2006-04-18 Nick Clifton <nickc@redhat.com>
6026 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6027 flag_strength_reduce.
6029 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6031 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6035 Partial revert of revision 112637
6036 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6037 Dale Johannesen <dalej@apple.com>
6040 * regclass.c (struct reg_pref): Update documentation.
6041 (regclass): Set prefclass to NO_REGS if memory is the best option.
6042 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6044 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6046 PR tree-optimization/26821
6047 * tree-ssa-math-opts.c (get_constant_one): New.
6048 (insert_reciprocals): Use it.
6050 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6052 * dwarf2out.c (free_AT): Delete.
6053 (remove_AT): Update string ref counts.
6054 (remove_child_TAG): Don't call free_die.
6056 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6057 or DW_TAG_GNU_EINCL.
6058 (prune_unused_types_walk_attribs): Reset string refcounts.
6059 (prune_unused_types_update_strings): New.
6060 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6061 call free_die. Do call prune_unused_types_update_strings.
6062 (prune_unused_types): Empty debug_str_hash.
6064 2006-04-17 Roger Sayle <roger@eyesopen.com>
6066 * expr.c (expand_assignment): Optimize away no-op moves where the
6067 source and destination are equal and have no side-effects.
6069 2006-04-17 Richard Guenther <rguenther@suse.de>
6072 * reload.c (push_reload): Guard calls to get_secondary_mem
6075 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6077 * alias.c (reg_base_value, old_reg_base_value): Change the
6078 type to VEC(rtx,gc) *.
6079 (REG_BASE_VALUE, find_base_value, record_set,
6080 init_alias_analysis): Use VEC instead of VARRAY.
6082 * alias.c (alias_sets): Change the type to
6083 VEC(alias_set_entry,gc) *.
6084 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6085 VEC instead of VARRAY.
6086 (last_alias_set): Remove.
6088 * cgraph.h (cgraph_edge_p): New.
6089 Update the prototype of cgraph_function_versioning.
6090 * cgraphunit.c (cgraph_copy_node_for_versioning,
6091 cgraph_function_versioning): Use VEC instead of VARRAY.
6092 * ipa-cp.c (ipcp_insert_stage): Likewise.
6094 2006-04-16 Roger Sayle <roger@eyesopen.com>
6097 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6098 "A op B" or "A op C", we may need to convert A to the type of B and C.
6100 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6102 * target.h (struct gcc_target): Add mode_rep_extended.
6103 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6104 (init_num_sign_bit_copies_in_rep): Initialize it using
6106 (truncate_to_mode): Use it.
6107 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6108 * targhooks.h (default_mode_rep_extended): Declare it.
6109 * targhooks.c (default_mode_rep_extended): Define it.
6110 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6111 default_mode_rep_extended.
6112 (TARGET_INITIALIZER): Include it.
6113 * doc/tm.texi (Misc): Document it.
6114 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6115 (mips_truncated_to_mode): New function.
6117 2006-04-16 Roger Sayle <roger@eyesopen.com>
6120 * expr.c (compress_float_constant): Copy the narrow constant into
6121 a new pseudo before extending it to its final width.
6123 2006-04-16 Roger Sayle <roger@eyesopen.com>
6124 Andrew Pinski <pinskia@gcc.gnu.org>
6125 Dale Johannesen <dalej@apple.com>
6128 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6129 special case code to implement V8HImode and V16QImode with SSE2.
6131 2006-04-15 Roger Sayle <roger@eyesopen.com>
6133 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6134 trees are constructed with a suitable tree type.
6136 2006-04-15 Roger Sayle <roger@eyesopen.com>
6138 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6139 (integer_onep): Likewise.
6140 (integer_all_onesp): Likewise.
6141 (integer_pow2p): Likewise.
6142 (integer_nonzerop): Likewise.
6143 (real_zerop): Likewise.
6144 (real_onep): Likewise.
6145 (real_twop): Likewise.
6146 (real_minus_onep): Likewise.
6147 (int_size_in_bytes): Likewise.
6148 (host_integerp): Likewise.
6150 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6152 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6153 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6154 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6156 * tree-ssa-structalias.h (alias_info): Remove num_references.
6158 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6160 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6161 (output_bvb patterns): Likewise.
6162 * pa.c (output_bb): Use 'bb' insn for long branch case.
6163 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6164 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6165 1. Correct length operand for alternatives 1 and 2.
6166 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6167 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6169 2006-04-14 Roger Sayle <roger@eyesopen.com>
6171 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6172 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6173 were accidentally reverted by r112959.
6175 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6178 * except.h (eh_region_outermost): New prototype.
6179 * except.c (eh_region_outermost): New function.
6180 * tree-cfg.c (find_outermost_region_in_block): Use it.
6182 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6184 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6186 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6187 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6188 (init_reload, reload): Use VEC instead of VARRAY.
6189 * reload.h: Update the prototype for
6190 reg_equiv_memory_loc_varray.
6192 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6193 Eric Botcazou <ebotcazou@libertysurf.fr>
6195 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6198 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6201 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6202 to expand fallback builtin function call.
6204 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6207 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6208 and emit libcall here in case the builtin fails.
6209 (expand_builtin_strcmp): Always emit the libcall here on failure.
6211 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6213 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6214 * flow.c (reg_n_info): Change the type to
6215 VEC(reg_info_p,heap) *.
6216 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6218 * regs.h (reg_info_p): New.
6219 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6220 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6221 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6224 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6226 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6228 * params.h (MAX_SCHED_READY_INSNS): New macro.
6229 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6230 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6231 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6232 the ready list for 1 cycle during the first scheduling pass.
6233 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6235 2006-04-13 Richard Henderson <rth@redhat.com>
6238 * gimple-low.c (lower_omp_directive): Remove dead code.
6239 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6240 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6241 * omp-low.c (struct omp_region): Move to tree-flow.h.
6242 (root_omp_region): Export.
6243 (omp_regions, lookup_omp_region): Remove.
6244 (determine_parallel_type): Update for struct omp_region changes.
6245 (dump_omp_region): Dump regions with block numbers.
6246 (new_omp_region): Take type and block instead of stmt; malloc
6248 (free_omp_region_1, free_omp_regions): New.
6249 (expand_parallel_call): Take entry_stmt as argument; update for
6250 changes to omp_region.
6251 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6252 (remove_exit_barriers): New.
6253 (expand_omp_parallel): Update for struct omp_region changes.
6254 (expand_omp_synch): Likewise.
6255 (expand_omp): Likewise.
6256 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6257 (expand_omp_for_static_chunk): Likewise.
6258 (expand_omp_for): Likewise.
6259 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6260 (expand_omp_sections): Similarly, with GOMP_sections_end.
6261 (expand_omp_single): New.
6262 (build_omp_regions_1): Update for OMP_CONTINUE.
6263 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6264 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6265 OMP_SECTIONS_SECTIONS.
6266 (lower_omp_single_simple): Don't emit barrier here.
6267 (lower_omp_single_copy): Likewise.
6268 (lower_omp_single): Fix bindings, and lower to straightline now.
6269 (lower_omp_master, lower_omp_ordered): Likewise.
6270 (lower_omp_critical): Likewise.
6271 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6272 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6273 omp edges, free it afterward.
6274 (make_omp_sections_edges): Remove.
6275 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6276 (move_stmt_r): Handle OMP_CONTINUE.
6277 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6278 statement pointers to basic blocks. Add type member.
6279 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6280 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6281 * tree-inline.c (estimate_num_insns_1): Likewise.
6282 * tree-pretty-print.c (dump_generic_node): Likewise.
6283 * tree-ssa-operands.c (get_expr_operands): Likewise.
6284 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6285 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6286 (OMP_CONTINUE): New.
6287 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6288 (OMP_SECTIONS_SECTIONS): Remove.
6289 (OMP_SECTION_LAST): New.
6290 (OMP_RETURN_NOWAIT): New.
6292 2006-04-13 Roger Sayle <roger@eyesopen.com>
6294 * fold-const.c (native_encode_vector, native_interpret_real):
6295 Correct obvious mistakes in the previous check-in.
6297 2006-04-13 Roger Sayle <roger@eyesopen.com>
6299 * fold-const.c (native_encode_expr): New function to encode
6300 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6301 or VECTOR_CST into a specified buffer.
6302 (native_encode_int): New function.
6303 (native_encode_real): New function.
6304 (native_encode_complex): New function.
6305 (native_encode_vector): New function.
6306 (native_interpret_expr): Inverse of native_encode_expr to convert
6307 a target representation into an INTEGER_CST, REAL_CST etc...
6308 (native_interpret_int): New function.
6309 (native_interpret_real): New function.
6310 (native_interpret_complex): New function.
6311 (native_interpret_vector): New function.
6312 (fold_view_convert_expr): New function to constant fold/evaluate
6313 a VIEW_CONVERT_EXPR of a suitable constant expression.
6314 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6315 Change call of build1 to fold_build1 when constructing a
6318 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6319 Ulrich Weigand <uweigand@de.ibm.com>
6322 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6325 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6328 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6329 optimize to lo_sum for DFmode if !TARGET_FPRS.
6331 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6333 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6334 delete_alias_info, compute_flow_sensitive_aliasing,
6335 group_aliases): Use VEC instead of VARRAY.
6336 * tree-ssa-structalias.c (update_alias_info): Likewise.
6337 * tree-ssa-structalias.h (alias_info): Change the type of
6338 processed_ptrs to VEC(tree,heap) *.
6340 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6343 * config/sh/lib1funcs.h: New file, broken out of:
6344 * config/sh/lib1funcs.asm.
6345 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6347 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6348 * config/sh/lib1funcs-Os-4-200.asm: New file.
6349 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6350 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6351 (EXTRA_MULTILIB_PARTS): Include it.
6352 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6353 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6354 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6355 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6358 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6360 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6361 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6362 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6364 * tree-ssa-live.h: Include vecprim.h.
6365 (tree_partition_associator_d): Change the type of
6366 first_partition to VEC(int,heap) *.
6367 (tpa_first_partition): Use VEC instead of VARRAY.
6369 * Makefile.in (GTFILES): Move functions.h after tree.h.
6370 * function.c (reset_block_changes, record_block_change,
6371 check_block_change, free_block_changes): Use VEC instead of
6373 * function.h (function): Change the type of
6374 ib_boundaries_block to VEC(tree,gc) *.
6375 * tree-inline.c (copy_cfg_body): Initialize
6376 ib_boundaries_block to NULL instead of (varray_type) 0.
6378 2006-04-12 Roger Sayle <roger@eyesopen.com>
6380 * expr.c (emit_group_store): Correct operand order in call to
6381 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6382 a SUBREG_BYTE of zero.
6384 2006-04-12 Richard Guenther <rguenther@suse.de>
6386 * profile.c (compute_branch_probabilities): Remove code
6387 encapsulated in !ir_type (), which are remanents of the
6388 removed RTL profiling code.
6389 * rtl-profile.c: Remove.
6391 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6393 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6394 magic NULL_RTX comment.
6395 (function_arg): Store entire fp arg to mem if any part should go
6397 (rs6000_arg_partial_bytes): Adjust for above change.
6399 2006-04-11 Roger Sayle <roger@eyesopen.com>
6401 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6402 if it hasn't been initialized by dwarf2out_init.
6404 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6406 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6407 symbolic constants in branch patterns.
6409 2006-04-11 Roger Sayle <roger@eyesopen.com>
6411 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6413 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6415 PR rtl-optimization/27073
6416 * gcse.c (try_replace_reg): Revert last change. Continue to search
6417 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6420 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6422 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6423 aggregate types other than record and union types.
6424 (function_arg): Likewise.
6425 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6427 (function_value): In 64-bit mode, return objects that require it
6430 2006-04-11 Roger Sayle <roger@eyesopen.com>
6432 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6434 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6436 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6438 2006-04-03 Jeff Law <law@redhat.com>
6441 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6442 alias information too.
6444 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6446 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6448 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6451 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6452 (premark_used_types_helper): New.
6453 (premark_used_types): New.
6454 (gen_subprogram_die): Call premark_used_types.
6455 (prune_unused_types_walk): Do not prune perennial dies.
6456 * function.c (used_types_insert): New.
6457 * function.h (struct function): Add used_types_hash field.
6458 (used_types_insert): Add prototype.
6459 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6460 * c-parser.c (c_parser_cast_expression): Save casted types in used
6463 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6466 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6467 rs6000_explicit_options.float_gprs.
6469 2006-04-10 Roger Sayle <roger@eyesopen.com>
6471 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6472 from ix86_expand_vector_init_low_nonzero. Take an additional
6473 one_var argument indicating which element is non-zero. Support
6474 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6475 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6476 with one_var instead of ix86_expand_vector_init_low_nonzero.
6478 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6480 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6481 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6482 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6483 build/genextract.o): Depend on vecprim.h.
6484 * cfglayout.c, df-problems.c, function.c, genextract.c,
6485 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6486 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6490 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6492 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6493 Declare VECs of this type.
6494 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6495 (remove_children): Delete.
6496 (add_dwarf_attr): Use VEC routines.
6497 (add_AT_flag): Update for changes to add_dwarf_attr.
6498 (add_AT_int): Likewise.
6499 (add_AT_unsigned): Likewise.
6500 (add_AT_long_long): Likewise.
6501 (add_AT_vec): Likewise.
6502 (add_AT_string): Likewise.
6503 (add_AT_die_ref): Likewise.
6504 (add_AT_fde_ref): Likewise.
6505 (add_AT_loc): Likewise.
6506 (add_AT_loc_list): Likewise.
6507 (add_AT_addr): Likewise.
6508 (add_AT_lbl_id): Likewise.
6509 (add_AT_lineptr): Likewise.
6510 (add_AT_macptr): Likewise.
6511 (add_AT_offset): Likewise.
6512 (add_AT_range_list): Likewise.
6513 (get_AT): Use VEC_iterate.
6514 (remove_AT): Use VEC_ordered_remove.
6515 (free_die): Fold remove_children into here; have it use VEC_iterate.
6516 (print_die): Use VEC_iterate on attrs.
6517 (reverse_die_lists): Don't reverse attr lists.
6518 (die_checksum): Use VEC_iterate on attrs.
6519 (same_die_p): Likewise.
6520 (output_location_lists): Likewise.
6521 (build_abbrev_table): Likewise.
6522 (size_of_die): Likewise.
6523 (unmark_all_dies): Likewise.
6524 (output_abbrev_section): Likewise.
6525 (output_die): Likewise.
6526 (prune_unused_types_walk_attribs): Likewise.
6528 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6530 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6532 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6535 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6537 2006-04-09 Roger Sayle <roger@eyesopen.com>
6539 * expr.c (store_constructor): Don't bother clearing target if
6540 we're about to assign a vector to it using vec_init_optab.
6542 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6544 * tree-ssa-alias.c (lhs_may_store_to): New function.
6545 (recalculate_used_alone): Handle LHS of calls.
6547 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6551 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6552 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6553 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6554 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6555 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6556 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6557 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6558 stubs. Add ".align 8" directives before all ".dword" directives.
6559 (GTHREAD_USE_WEAK): Revise comment.
6560 (TARGET_ATTRIBUTE_WEAK): Define.
6561 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6562 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6563 * stublib.c: New file.
6568 * pa.md (cbranch patterns): Revise arguments used in calls to
6569 output_cbranch, output_bb and output_bvd. Add long branch length
6571 (fbranch patterns): Handle long branches.
6572 (jump): Revise length check. Revise arguments for output_lbranch call.
6573 Add long branch length attributes.
6574 (decrement_and_branch_until_zero): Add long branch length attributes.
6575 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6576 Likewise. Revise arguments for output_parallel_addb and
6577 output_parallel_movb calls.
6578 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6579 output_parallel_movb and output_parallel_addb): Update prototypes.
6580 * pa.c (output_cbranch): Revise arguments. Correct handling of
6581 nullification in long branches.
6582 (output_lbranch): Add new argument to control extraction of delay
6584 (output_bb): Handle long branches.
6585 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6586 output_parallel_addb): Likewise.
6588 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6590 PR rtl-optimization/27073
6591 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6594 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6596 * tree.h (tree_memory_tag): Add old_used_alone.
6597 (SMT_OLD_USED_ALONE): New macro.
6598 * tree-ssa-alias.c (recalculate_used_alone): Stop
6599 marking things for renaming unnecessarily.
6601 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6603 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6604 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6605 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6606 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6607 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6608 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6609 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6610 spelling convensions.
6611 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6612 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6613 typos. Follow spelling conventions.
6615 2006-04-07 DJ Delorie <dj@redhat.com>
6617 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6618 passed on the stack.
6619 (m32c_init_cumulative_args): When a function returns a structure,
6620 always pass the pointer to that return area on the stack.
6621 (m32c_function_arg_advance): Don't increment the parameter number
6622 if we're processing the returned structure pointer.
6623 (pushm_info): Reverse order of registers.
6625 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6627 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6628 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6629 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6630 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6632 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6633 chrec_fold_multiply): Same.
6634 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6635 force_expr_to_var_cost): Same.
6636 * tree-mudflap.c (mf_xform_derefs_1): Same.
6637 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6639 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6641 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6642 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6645 2006-04-07 Jan Hubicka <jh@suse.cz>
6647 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6649 2006-04-07 Richard Guenther <rguenther@suse.de>
6651 PR tree-optimization/26135
6652 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6653 loads for store copy-prop.
6654 (copy_prop_visit_stmt): Likewise.
6656 2006-04-05 Robert Millan <robertmh@gnu.org>
6658 * config/i386/linux.h: Add a comment to mark macros that are
6659 being overriden in config/k*bsd-gnu.h.
6660 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6662 * config/knetbsd-gnu.h: Ditto.
6664 2006-04-06 Jan Hubicka <jh@suse.cz>
6668 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6671 2006-04-06 Mike Stump <mrs@apple.com>
6673 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6674 for HAVE_nonlocal_goto to be consistent.
6675 (expand_builtin_nonlocal_goto): Likewise.
6676 (expand_builtin_strcmp): Use #ifdef instead of #if
6677 for HAVE_cmpstrnsi to be consistent.
6679 2006-04-05 DJ Delorie <dj@redhat.com>
6681 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6684 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6686 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6687 got-relative addressing for anything but SImode.
6689 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6690 even if the calling function doesn't modify them.
6692 2006-04-05 Richard Guenther <rguenther@suse.de>
6694 PR tree-optimization/26919
6695 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6696 to cgraph_estimate_size_after_inlining.
6698 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6700 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6702 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6704 PR tree-optimization/26996
6705 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6706 VECTOR_TYPE variables.
6708 2006-04-05 Richard Guenther <rguenther@suse.de>
6710 PR tree-optimization/26763
6711 * fold-const.c (fold_comparison): Move folding of
6712 PTR + CST CMP PTR + CST ...
6713 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6715 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6717 * doc/install.texi (Prerequisites): Refine some wording on
6718 bootstrapping and ksh.
6719 Move the version numbers of DejaGnu here from the testing section
6720 and fix casing of names.
6721 Fix markup and clarify wording for autogen requirements.
6722 Refer to GCJ instead of just java.
6723 Refer to SVN instead of CVS.
6724 Describe diffutils as useful instead of necessary.
6725 (Downloading the source): Refer to SVN instead of CVS.
6726 Adjust a link to our web site accordingly.
6727 (Configuration): Fix casing of Bison.
6728 (Building): Refer to SVN instead of CVS.
6729 Fix a sentence on the use of Bison and remove duplicate (and
6730 incorrect) version number of Bison requirement.
6731 Remove one redundant list of packages needed for building.
6732 (Specific): Avoid reference to CVS.
6734 2006-04-04 Eric Christopher <echristo@apple.com>
6736 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6737 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6738 (rs6000_handle_struct_attribute): New.
6739 (rs6000_ms_bitfield_layout_p): Ditto.
6741 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6743 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6744 NULL for dso parameter to atexit_common.
6746 2006-04-04 Eric Christopher <echristo@apple.com>
6748 * config/i386/i386.c (machopic_output_stub): Output \t
6749 between instructions and operands.
6751 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6753 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6754 satisfies_constraint_[IL] to explicit tests on value.
6756 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6758 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6759 set_nb_iterations_in_loop): Use build_int_cst instead of
6761 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6762 build_int_cst instead of convert.
6764 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6766 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6767 new value 2 for incoming.
6768 * function.c (expand_function_start): Call struct_value_rtx
6770 * config/sparc/sparc.md: Comment updated_return.
6771 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6772 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6773 struct return if sparc_std_struct_return and incoming is 2.
6774 (print_operand): Do not adjust return if
6775 sparc_std_struct_return.
6777 2006-04-04 Roger Sayle <roger@eyesopen.com>
6779 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6780 convert in the middle-end.
6781 * expr.c (store_expr, store_constructor, get_inner_reference,
6782 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6784 * tree.c (build_range_type): Likewise.
6786 2006-04-04 Tom Tromey <tromey@redhat.com>
6788 * doc/install.texi (Prerequisites): Mention jar.
6790 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6792 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6795 2006-04-04 Matthias Klose <doko@debian.org>
6797 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6801 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6804 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6806 * doc/extend.texi (Function Attributes): Rewrite visibility
6807 attribute documentation.
6808 * doc/invoke.texi (C++ Dialect Options): Rewrite
6809 -fvisibility-inlines-hidden documentation to describe something
6810 entirely different, although in practise compatible.
6811 (Code Gen Options): Warn about system headers in -fvisibility=
6814 * doc/extend.texi (Other Builtins): Document that
6815 __builtin_nan is a compile-time constant only when its argument
6818 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6820 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6821 trying to remove TRUNCATE check if all bits outside the new mode
6822 are identical to the sign bit.
6824 2006-04-03 Jeff Law <law@redhat.com>
6826 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6827 and operand scanning in some common cases.
6829 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6830 Dale Johannesen <dalej@apple.com>
6833 * regclass.c (struct reg_pref): Update documentation.
6834 (regclass): Set prefclass to NO_REGS if memory is the best option.
6835 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6836 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6837 into account. For non-registers, equate an empty preferred
6838 reload class to a `!' in the constraint; move the if clause to
6839 do so after those that reject the insn.
6840 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6842 (find_dummy_reload): Likewise.
6843 * doc/tm.texi (Register Classes): Document what it means
6844 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6845 * config/i386/i386.c (ix86_preferred_reload_class): Force
6846 using SSE registers (and return NO_REGS for floating-point
6847 constants) if math is done with SSE.
6848 (ix86_preferred_output_reload_class): New.
6849 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6850 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6851 * config/i386/i386.md: Remove # register preferences.
6853 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6856 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6857 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6858 the type of nb_iter.
6859 (instantiate_parameters_1): Convert the operands before calling
6860 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6861 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6863 2006-04-02 Roger Sayle <roger@eyesopen.com>
6865 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6866 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6868 * dojump.c (do_jump): Likewise.
6869 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6870 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6871 gimplify_boolean_expr): Likewise.
6872 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6873 * varasm.c (array_size_for_constructor): Likewise.
6874 * tree-object-size.c (compute_object_offset): Likewise.
6876 2006-04-02 Roger Sayle <roger@eyesopen.com>
6879 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6880 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6882 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6884 PR tree-optimization/26939
6885 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6887 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6889 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6890 at_stmt. Convert the type of operands before calling
6891 build_polynomial_chrec.
6892 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6894 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6895 (instantiate_parameters_1): Convert the type of operands before calling
6896 build_polynomial_chrec.
6897 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6898 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6899 reset_evolution_in_loop): Insert asserts to check the types of the
6901 (chrec_type): Moved...
6902 (eq_evolutions_p): Use operand_equal_p.
6903 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6904 the types of the operands.
6905 (chrec_type): ...here.
6906 * tree-data-ref.c (create_data_ref): Convert the operands before
6907 calling chrec_replace_initial_condition.
6908 (same_access_functions, analyze_subscript_affine_affine,
6909 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6910 (compute_subscript_distance, analyze_ziv_subscript,
6911 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6912 analyze_miv_subscript): Convert the operands before calling
6913 chrec_fold_minus or chrec_fold_plus.
6915 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6917 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6918 the dependence_relations vector.
6919 (compute_data_dependences_for_loop): Adjust call to
6920 compute_all_dependences.
6922 2006-04-01 Roger Sayle <roger@eyesopen.com>
6923 Richard Henderson <rth@redhat.com>
6925 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6926 gimple_boolify on the condition before calling gimplify_expr.
6928 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6930 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6931 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6932 the frame size. Update to use the new macros.
6933 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6934 * config/xtensa/ieee754-df.S: Likewise.
6936 2006-03-31 Richard Henderson <rth@redhat.com>
6938 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6939 (make_edges): ... here. Control fallthru creation with a local
6940 variable. Do not play with fake edges.
6941 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6942 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6945 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6947 * dwarf2.h (DW64_CIE_ID): Define.
6948 * dwarf2out.c (DWARF_CIE_ID): Define.
6949 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6950 length header. Use DWARF_CIE_ID.
6951 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6952 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6954 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6956 * config/sh/linux-atomic.asm: New file.
6957 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6959 2006-03-31 DJ Delorie <dj@redhat.com>
6961 * config/m32c/cond.md: Set condition flags properly throughout.
6962 * config/m32c/minmax.md: Likewise.
6963 * config/m32c/prologue.md: Likewise.
6964 * config/m32c/bitops.md: Likewise.
6965 * config/m32c/muldiv.md: Likewise.
6966 * config/m32c/mov.md: Likewise.
6967 * config/m32c/addsub.md: Likewise.
6968 * config/m32c/m32c.md: Likewise.
6969 * config/m32c/jump.md: Likewise.
6970 * config/m32c/shift.md: Likewise.
6972 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6973 conditionally output the pattern for this.
6974 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6975 (m32c_compare_redundant): New.
6976 (m32c_output_compare): New.
6977 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6979 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6980 dest, not src. Allow other 4-byte modes.
6982 2006-03-30 Denis Chertykov <denisc@overta.ru>
6984 * doc/md.texi: Refer to avr/constraints.md instead of
6987 2006-03-30 Roger Sayle <roger@eyesopen.com>
6989 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6990 signed vs. unsigned comparison failures on some hosts.
6992 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6995 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6996 change to FLOAT_REGS.
6998 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6999 (rs6000_override_options): Use it.
7000 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7001 only for -mabi=spe/no-spe and -mabi=altivec.
7003 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7005 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7008 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7010 * Makefile.in: Rename docdir to gcc_docdir.
7012 2006-03-30 Roger Sayle <roger@eyesopen.com>
7015 * expr.c (emit_group_store): Optimize group stores into a pseudo
7016 register by using a paradoxical subreg to initialize the destination
7017 if the first or last member of the group specifies a "low part".
7019 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7022 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7023 * target.h (struct gcc_target.speculate_insn): Change type of the
7024 second parameter to 'int'.
7025 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7026 the second operand of the DEPS_LIST.
7027 (copy_DEPS_LIST_list): Update reference to the second operand of the
7029 * rtl.h (alloc_DEPS_LIST): Update signature.
7030 * sched-int.h (ds_t): Change typedef to 'int'.
7031 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7033 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7035 * haifa-sched.c (try_ready): Change condition to restore
7036 non-speculative pattern of the instruction.
7037 (process_insn_depend_be_in_spec): Code to keep probability of the
7038 speculative dependence non-decreasing.
7040 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7042 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7043 (single_move_for_movmem): ... this. Also change all uses.
7044 (bfin_expand_strmov): Renamed to...
7045 (bfin_expand_movmem): ... this. Also change all uses.
7046 * config/bfin/bfin.md (movstrsi): Renamed to...
7047 (movstrsi): ...this.
7049 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7051 PR tree-optimization/26830
7053 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7054 (copy_prop_visit_stmt): Remove write-only variable ann.
7055 (init_copy_prop): Check variable loop depth here. Do not simulate
7056 memory-tag and virtual operand PHIs except for store copy prop.
7058 2006-03-30 Richard Guenther <rguenther@suse.de>
7060 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7061 variants with double arguments.
7063 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7065 * genpreds.c (write_tm_constrs_h): Delete variable p.
7066 * genconditions.c (write_header): Add tm-constrs.h to included
7068 * genpeep.c (main): Add toplev.h to included headers.
7069 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7070 (build/genpeep.o): Add toplev.h dependency.
7071 * config/rs6000/constraints.md: Add "W" constraint.
7073 2006-03-29 Roger Sayle <roger@eyesopen.com>
7075 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7076 sizes by correctly testing whether the size fits a host integer.
7077 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7078 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7079 SImode range for the default sizetype and bitsizetype.
7081 2006-03-29 Roger Sayle <roger@eyesopen.com>
7083 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7084 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7085 quickly if the argument is already of the correct type.
7086 Call fold_build1 instead of build1. Tidy up blank lines.
7088 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7090 * genemit.c (main): Add tm-constrs.h to included headers.
7091 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7092 * genpeep.c (main): Add tm-constrs.h to included headers.
7093 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7094 (write_tm_constrs_h): this and write complete file.
7095 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7096 (write_insn_preds_c): Add tm-constrs.h to included headers.
7097 (gen_constrs): New variable.
7098 (parse_option): Parse "-c".
7099 (main): Invoke write_tm_constrs_h.
7100 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7101 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7102 (object_out_file): Add tm-constrs.h dependency.
7103 (insn-emit.o): Same.
7104 (insn-output.o): Same.
7105 (insn-peep.o): Same.
7106 (insn-preds.o): Same.
7107 (insn-recog.o): Same.
7108 (tm-constsr.h): New target.
7109 (s-constrs-h): New target.
7111 * config/rs6000/constraints.md: New file.
7112 * config/rs6000/rs6000.c: Include tm-constrs.h.
7113 (num_insn_constant_wide): Convert to satisfies_constraint.
7114 (rs6000_rtx_costs): Convert to satisfies_constraint.
7115 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7116 (CONST_OK_FOR_LETTER_P): Delete.
7117 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7118 (EXTRA_CONSTRAINT): Delete.
7119 (EXTRA_MEMORY_CONSTRAINT): Delete.
7120 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7121 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7122 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7123 satisfies_constraint.
7125 * config/i386/i386.c: Include tm-constrs.h.
7127 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7129 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7130 * tree-data-ref.c (find_data_references_in_loop,
7131 compute_data_dependences_for_loop): Use pointers to VEC.
7132 (analyze_all_data_dependences): Adjust calls.
7133 * tree-data-ref.h (find_data_references_in_loop,
7134 compute_data_dependences_for_loop): Adjust declarations.
7135 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7136 compute_data_dependences_for_loop.
7138 2006-03-29 Paul Brook <paul@codesourcery.com>
7140 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7143 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7145 PR tree-optimization/26859
7146 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7148 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7149 for the step after fold_convert.
7151 2006-03-29 Paul Brook <paul@codesourcery.com>
7153 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7154 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7156 2006-03-29 Paul Brook <paul@codesourcery.com>
7159 * targhooks.c (default_narrow_bitfield): New fuction.
7160 * targhooks.h (default_narrow_bitfield): add prototype.
7161 * target.h (gcc_target): Add narrow_volatile_bitfield.
7162 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7163 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7164 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7165 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7167 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7169 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7171 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7172 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7173 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7174 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7175 (s390_function_arg_float): Allow SDmode and DDmode values to be
7176 passed in floating point registers.
7177 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7178 check with SCALAR_FLOAT_MODE_P.
7179 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7181 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7183 PR tree-optimization/25985
7184 * tree-ssa-loop-niter.c (number_of_iterations_le,
7185 number_of_iterations_ne): Make comments more precise.
7186 (number_of_iterations_cond): Add only_exit argument. Use the
7187 fact that signed variables do not overflow only when only_exit
7189 (loop_only_exit_p): New.
7190 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7191 number_of_iterations_cond.
7193 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7195 PR tree-optimization/26643
7196 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7199 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7201 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7202 (divsi3_i4_int): Likewise.
7204 2006-03-28 Roger Sayle <roger@eyesopen.com>
7206 * expr.c (emit_group_store): Only create a new pseudo reg if the
7207 quantity it needs to hold isn't already a suitable pseudo.
7209 2006-03-28 Jeff Law <law@redhat.com>
7211 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7212 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7214 2006-03-28 Roger Sayle <roger@eyesopen.com>
7216 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7217 the equivalent ~X & Y, and the symmetry related transformations.
7218 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7219 ~X & Y, and symmetry related transforms.
7221 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7223 Revert my 2006-03-27 patches.
7225 2006-03-28 Roger Sayle <roger@eyesopen.com>
7227 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7228 ~(T1)X, when T1 and T2 are integer types of the same precision
7229 and (T2)X isn't an extension.
7231 2006-03-28 Jeff Law <law@redhat.com>
7233 PR tree-optimization/26796
7234 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7235 need EH edge cleanups rather than purging them immediately.
7236 (eliminate_degenerate_phis): Handle queued EH cleanups.
7238 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7240 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7243 2006-03-27 Roger Sayle <roger@eyesopen.com>
7246 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7247 cast BIT_NOT_EXPR operand to the correct type.
7249 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7251 * tree-loop-linear.c: Don't include varray.h.
7252 (gather_interchange_stats, try_interchange_loops,
7253 linear_transform_loops): Use VEC instead of VARRAY.
7254 * lambda-mat.c: Don't include varray.h.
7255 * tree-chrec.c: Same.
7256 * lambda-trans.c: Same.
7257 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7258 VEC instead of VARRAY.
7259 * tree-vectorizer.h: Idem.
7260 * tree-data-ref.c (dump_data_references,
7261 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7262 initialize_data_dependence_relation, finalize_ddr_dependent,
7263 compute_all_dependences, find_data_references_in_loop,
7264 compute_data_dependences_for_loop, analyze_all_data_dependences,
7265 free_dependence_relation, free_dependence_relations,
7266 free_data_refs): Idem.
7267 * tree-data-ref.h (data_reference_p, subscript_p): New.
7268 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7269 VEC instead of VARRAY.
7270 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7271 (find_data_references_in_loop, compute_data_dependences_for_loop,
7272 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7273 dump_data_dependence_relations, free_dependence_relations,
7274 free_data_refs): Adjust declaration.
7275 (lambda_transform_legal_p): Move declaration here...
7276 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7277 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7278 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7279 vect_analyze_data_refs): Use VEC instead of VARRAY.
7280 * lambda.h (lambda_transform_legal_p): ...from here.
7281 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7282 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7283 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7284 tree-chrec.o): Don't depend on VARRAY_H.
7286 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7288 * rtl.def (Copyright): Update date.
7289 (DEPS_LIST): Change type of the second operand to 'int'.
7290 * target.h (Copyright): Update date.
7291 (struct gcc_target.speculate_insn): Change type of the second parameter
7293 * lists.c (Copyright): Update date.
7294 (alloc_DEPS_LIST): Change signature. Update reference to the second
7295 operand of the DEPS_LIST.
7296 (copy_DEPS_LIST_list): Update reference to the second operand of the
7298 * rtl.h (Copyright): Update date.
7299 (alloc_DEPS_LIST): Update signature.
7300 * sched-int.h (Copyright): Update date.
7301 (ds_t): Change typedef to 'int'.
7302 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7304 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7306 * haifa-sched.c (Copyright): Update date.
7307 (try_ready): Change condition to restore non-speculative pattern
7309 (process_insn_depend_be_in_spec): Code to keep probability of the
7310 speculative dependence non-decreasing.
7312 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7314 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7315 shut up the compiler.
7317 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7319 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7320 to use lib prefix for target.
7321 ($(T)libic_invalidate_array_4-200.a): Likewise.
7322 ($(T)libic_invalidate_array_4a.a): Likewise.
7324 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7325 J"orn Rennecke <joern.rennecke@st.com>
7327 * superh.opt: New file.
7328 * sh.c (boardtype, osruntime): Remove.
7329 * superh.h (SUBTARGET_OPTIONS): Remove.
7330 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7332 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7333 arguments with ^ and/or [].
7335 * config.gcc (sh-*-*): Add quoting to account for quirk of
7337 Replace == with = in enable_incomplete_targets test.
7339 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7340 with MASK_LITTLE_ENDIAN.
7342 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7343 * config/sh/sh.opt: Added to some comments.
7344 * config/sh/superh.h: Removed some chaff.
7346 * config/sh/sh.opt: Add m4-[1234]00* options.
7347 * config/sh/sh.c (sh_handle_option): Likewise.
7348 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7349 (ic_invalidate_array_4-100.o): New rule.
7350 ($(T)libic_invalidate_array_4-100.a): Likewise.
7351 (ic_invalidate_array_4-200.o): Likewise.
7352 ($(T)libic_invalidate_array_4-200.a): Likewise.
7353 (ic_invalidate_array_4a.o): Likewise.
7354 ($(T)libic_invalidate_array_4a.a): Likewise.
7355 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7356 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7358 * config/sh/crt1.asm: Merged in profiling code.
7359 * config/sh/superh.h (STARTFILE_SPEC): Override.
7360 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7361 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7362 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7364 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7365 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7366 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7368 * sh.opt (mpretend-cmove): New option.
7369 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7370 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7371 (movsicc): Add TARGET_PRETEND_CMOVE code.
7373 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7375 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7376 s390_class_max_nregs): New function prototypes.
7377 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7378 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7379 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7380 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7382 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7384 * dwarf2out.c (add_location_or_const_value_attribute): Call
7385 tree_add_const_value_attribute if nothing else works.
7386 (reference_to_unused): New.
7387 (rtl_for_decl_init): Use reference_to_unused to decide whether
7388 to output an initializer.
7390 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7393 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7394 peephole removing spe frob_di_df_2.
7396 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7398 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7399 (subscript_dependence_tester_1): Declared.
7400 (print_dir_vectors, print_dist_vectors): New.
7401 (debug_data_dependence_relation): New.
7402 (dump_data_dependence_relation): Print more details.
7403 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7404 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7405 (save_dist_v, save_dir_v, add_outer_distances,
7406 build_classic_dist_vector_1): New.
7407 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7408 Don't test for lambda_vector_lexico_pos.
7409 (same_access_functions, add_multivariate_self_dist,
7410 add_other_self_distances, dir_from_dist): New.
7411 (build_classic_dir_vector): Replace implementation almost identical to
7412 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7414 (subscript_dependence_tester_1): New.
7415 (subscript_dependence_tester): Handle the lexicographically negative
7416 distance vectors by recomputing the dependence relation.
7417 (compute_affine_dependence): Remove parameter loop_nest_depth.
7418 (compute_self_dependence): Don't call compute_subscript_distance.
7419 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7420 Add a parameter for the loop_nest.
7421 (find_loop_nest_1, find_loop_nest): New.
7422 (compute_data_dependences_for_loop): Compute the loop nest, and give
7423 up if the nest is not well formed.
7424 * tree-data-ref.h (loop_p): New.
7425 (struct data_dependence_relation): Replace size_vect field with
7426 loop_nest, a vec of loops.
7427 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7428 (DDR_LOOP_NEST): New.
7429 (print_dir_vectors, print_dist_vectors,
7430 debug_data_dependence_relation): Declared.
7431 (index_in_loop_nest): New.
7432 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7433 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7436 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7438 * simplify-rtx.c (simplify_relational_operation): Call
7439 simplify_relational_operation_1 even if mode is VOIDmode.
7441 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7443 PR tree-optimization/26804
7444 * tree.h (DECL_CALL_CLOBBERED): New macro.
7445 (tree_decl_common): Add call_clobbered_flag.
7446 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7447 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7448 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7449 (mark_non_addressable): Ditto.
7450 * tree-ssa.c (verify_call_clobbered): New function.
7451 (verify_alias_info): Use it.
7452 * tree-pass.h (pass_reset_cc_flags): New prototype.
7453 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7454 (reset_cc_flags): New function.
7455 * passes.c (init_optimization_passes): Call reset_cc_flags after
7456 initializing referenced_vars.
7458 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7459 Roger Sayle <roger@eyesopen.com>
7462 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7463 to 1.0 for non-real operands. Implement A / A optimization for
7466 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7468 * config/i386/i386.c (size_cost): Correct the comment for
7469 cost of storing fp registers.
7470 (i386_cost): Likewise.
7471 (i486_cost): Likewise.
7472 (pentium_cost): Likewise.
7473 (pentiumpro_cost): Likewise.
7474 (k6_cost): Likewise.
7475 (athlon_cost): Likewise.
7476 (k8_cost): Likewise.
7477 (pentium4_cost): Likewise.
7478 (nocona_cost): Likewise.
7479 (generic64_cost): Likewise.
7480 (generic32_cost): Likewise.
7482 2006-03-24 Denis Chertykov <denisc@overta.ru>
7484 * config/avr/avr-protos.h (extra_constraint): Delete.
7485 (extra_constraint_Q): New declaration.
7486 * config/avr/constraints.md: New file.
7487 * config/avr/avr.md: Include it.
7488 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7489 (TMP_REGNO, ZERO_REGNO): Likewise.
7490 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7491 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7492 (extra_constraint): Delete.
7493 (extra_constraint_Q): Test for memory constraint 'Q'.
7494 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7495 (REG_CLASS_FROM_LETTER): Delete.
7496 (CONST_OK_FOR_LETTER_P): Delete.
7497 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7498 (EXTRA_CONSTRAINT): Delete.
7499 (TMP_REGNO): Delete.
7500 (ZERO_REGNO): Delete.
7502 2006-03-24 Jeff Law <law@redhat.com>
7504 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7505 directly. Call mark_new_vars_to_rename slightly earlier.
7507 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7509 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7511 (gen_compile_unit_die): Use new language types for Objective-C and
7513 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7514 DW_LANG_C_plus_plus.
7517 * config/t-darwin (crt3.o): Work around bug 26840.
7518 * config/darwin-crt3.c: Rewrite.
7519 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7521 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7523 * doc/invoke.texi: Document -femit-class-debug-always
7524 * common.opt: Add -femit-class-debug-always.
7526 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7528 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7529 index and base register.
7530 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7531 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7532 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7533 REGNO_OK_FOR_INDEX_P.
7534 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7536 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7537 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7538 REG_OK_FOR_BASE_P): Definitions removed.
7540 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7543 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7544 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7545 set yet or weren't marked as local yet.
7547 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7549 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7552 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7554 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7555 (rs6000_legitimate_small_data_p): Delete.
7556 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7557 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7558 and make static. Add forward declaration. Update uses.
7559 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7560 of offsettable_memref_p.
7561 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7562 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7564 2006-03-24 Jeff Law <law@redhat.com>
7566 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7567 around bug in immediate-use iterator.
7569 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7572 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7573 or __LITTLE_ENDIAN__.
7575 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7577 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7578 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7579 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7580 * config/sh/sh.opt (mdiv=): Amend description.
7581 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7582 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7583 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7584 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7585 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7586 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7587 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7588 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7589 TARGET_DIVIDE_CALL_FP.
7591 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7593 * haifa-sched.c (choose_ready): Fix type of the local variable.
7594 Move local variables. Add comment.
7595 (check_reg_live): Change signature. Make callable from debugger.
7596 * sched-int.h (check_reg_live): Update signature.
7597 * sched-ebb.c (check_reg_live): Update parameters.
7598 * sched-rgn.c (check_reg_live): Ditto.
7599 (region_head_or_leaf_p): Check pointer before dereferencing.
7600 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7601 before reload on optimization levels below 1.
7603 2006-03-23 Richard Henderson <rth@redhat.com>
7605 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7609 * config/alpha/predicates.md (local_symbolic_operand): Reject
7612 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7615 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7616 expressions which have overflowed constants.
7618 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7620 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7622 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7624 * cfgloopmanip.c (create_loop_notes): Removed.
7625 * final.c (final_scan_insn): Do not handle loop notes.
7626 * jump.c (squeeze_notes): Ditto.
7627 * cfglayout.c (skip_insns_after_block,
7628 duplicate_insn_chain): Ditto.
7629 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7631 * cfgloop.h (create_loop_notes): Declaration removed.
7633 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7635 * varasm.c (output_constant_pool): Restore fnname and fndecl
7637 (assemble_start_function): Adjust call accordingly.
7638 (assemble_end_function): Likewise.
7640 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7643 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7646 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7648 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7651 * system.h (ICE_EXIT_CODE): New macro.
7652 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7653 (diagnostic_action_after_output): Likewise.
7654 * gcc.c (fatal_ice): New function.
7655 (execute): Use it instead of fatal.
7656 (fancy_abort): Likewise.
7657 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7659 2006-03-22 Jeff Law <law@redhat.com>
7661 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7662 iv_analyze_result returning false.
7664 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7666 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7668 2006-03-22 Richard Henderson <rth@redhat.com>
7671 * except.c (duplicate_eh_regions_0): New.
7672 (duplicate_eh_region_1): Duplicate the children of the node as
7673 well as the node itself. Link them up properly.
7674 (duplicate_eh_region_2): Merge into ...
7675 (duplicate_eh_regions): ... here. Take copy_region argument, and
7676 copy only a sub-tree if asked. Simplify copying and fixup.
7677 (eh_region_outer_p): New.
7678 * except.h (duplicate_eh_regions): Update decl.
7679 (eh_region_outer_p): Declare.
7680 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7681 (lower_omp_master): Likewise.
7682 (lower_omp_ordered): Likewise.
7683 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7684 (move_stmt_r): Use it to remap labels. Handle recursion vs
7685 remap_decls_p properly.
7686 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7687 (find_outermost_region_in_block): New.
7688 (new_label_mapper): New.
7689 (move_sese_region_to_fn): Copy eh information to the new function
7691 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7693 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7696 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7698 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7699 into shared libraries.
7701 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7703 * doc/md.texi: Refer to i386/constraints.md instead of
7705 * config/i386/constraints.md: New file, extracted from...
7706 * config/i386/predicates.md: ...here.
7707 * config/i386/i386.md: Include constraints.md.
7709 2006-03-21 Jason Merrill <jason@redhat.com>
7711 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7714 * expr.c (init_block_move_fn): Force default visibility.
7715 (init_block_clear_fn): Likewise.
7716 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7717 * targhooks.c (default_external_stack_protect_fail): Likewise.
7719 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7721 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7722 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7723 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7724 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7725 (loadgp): Use mips_current_loadgp_style.
7726 (loadgp_noshared): New pattern.
7727 (sibcall_internal): Use MIPS_CALL.
7728 (sibcall_value_internal): Likewise.
7729 (sibcall_value_multiple_internal): Likewise.
7730 (call_internal): Likewise.
7731 (call_value_internal): Likewise.
7732 (call_value_multiple_internal): Likewise.
7733 (call_split): Use MIPS_CALL and add an 'S' constraint.
7734 (call_value_split): Likewise.
7735 (call_value_multiple_split): Likewise.
7736 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7737 (-mshared): New option.
7738 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7739 (mips_current_loadgp_style): Declare.
7740 * config/mips/mips.c (mips_classify_symbol): Avoid using
7741 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7742 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7743 TARGET_ABSOLUTE_ABICALLS.
7744 (override_options): Adjust comments. Improve the warning that is
7745 issued when -mabicalls and -G are used together.
7746 (mips_file_start): Remove comment.
7747 (mips_current_loadgp_style): New function.
7748 (mips_gnu_local_gp): New variable.
7749 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7751 (mips_output_function_prologue): Use mips_current_laodgp_style.
7752 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7753 the cprestore instruction.
7754 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7755 live for TARGET_ABSOLUTE_ABICALLS.
7756 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7757 (ASM_SPEC): Pass down -mshared and -mno-shared.
7758 (MIPS_CALL): New macro.
7759 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7761 * doc/invoke.texi (-mabicalls): Update documentation.
7762 (-mshared): Document.
7764 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7766 * config/ia64/unwind-hpux.c: New file.
7767 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7769 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7772 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7774 2006-03-21 Jeff Law <law@redhat.com>
7776 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7777 type conversions of a VR_VARYING source to a wider type.
7779 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7781 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7782 tm_file on Solaris 10 and later.
7783 (sparc64-*-solaris2*): Likewise.
7784 (sparc-*-solaris2*): Likewise.
7785 * config/sol26.h: Rename to config/sol2-6.h.
7786 * config/sol2-10.h: New file.
7788 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7791 * tree-ssa-pre.c (create_component_ref_by_pieces):
7794 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7797 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7798 return it immediately.
7800 2006-03-21 Michael Matz <matz@suse.de>
7802 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7804 (remove_arc, add_arc): Update num_out_arcs member.
7805 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7807 (cache_presence): New function.
7808 (compare_states_for_equiv): New function.
7809 (state_is_differed): Don't take number of outargs, adjust callers.
7810 Use new invariant for speeding up.
7811 (init_equiv_class): Create initial classes based on sorted
7813 (partition_equiv_class): Don't track out_arcs_num.
7814 (evaluate_equiv_classes): Call cache_presence on all states and
7817 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7819 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7820 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7821 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7822 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7824 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7825 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7826 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7827 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7828 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7830 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7831 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7832 (REGNO_REG_CLASS): ARGP is in PREGS.
7833 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7835 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7836 to deal with those addresses.
7837 * addresses.h: New file.
7838 * caller-save.c: Include "addresses.h".
7839 (init_caller_save): Use new base_reg_class function.
7840 * rtl-factoring.c: Include "addresses.h".
7841 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7842 * recog.c: Include "addresses.h".
7843 (preprocess_constraints): Use new base_reg_class function.
7844 * regrename.c: Include "addresses.h".
7845 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7846 functions. Keep track of a new var INDEX_CODE to compute valid
7848 (replace_oldest_value_addr): Likewise.
7849 (replace_oldest_value_mem): Use base_reg_class.
7850 * reload.c: Include "addresses.h".
7851 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7852 (find_reloads): Use new base_reg_class function.
7853 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7854 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7855 all callers and prototype changed.
7856 * reload1.c: Include "addresses.h".
7857 (maybe_fix_stack_asms): Use base_reg_class.
7858 * regclass.c: Include "addresses.h".
7859 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7860 (init_reg_autoinc): Use new base_reg_class function.
7861 (record_reg_classes): Likewise.
7862 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7863 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7864 Use new args to compute necessary class.
7866 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7867 regrename.o, rtl-factoring.o): Update dependencies.
7868 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7869 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7870 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7871 REG_OK_FOR_INDEX_P): Delete documentation.
7873 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7875 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7876 from V7 to V9 for Solaris 7 and above.
7878 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7880 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7881 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7882 argument pointers may not alias any other storage.
7883 * common.opt: Define option -fargument-noalias-anything.
7884 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7885 alias semantics is specified by flag_argument_noalias > 2.
7887 2006-03-20 Jeff Law <law@redhat.com>
7889 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7890 (pass_phi_only_cprop): Declare.
7891 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7893 * tree-ssa-dom.c (degenerate_phi_result): New function.
7894 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7895 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7896 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7897 (eliminate_degenerate_phis): Likewise.
7898 (pass_phi_only_cprop): New pass descriptor.
7899 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7900 support code. Callers updated.
7901 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7902 (store_copy_prop): Likewise.
7903 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7905 2006-03-20 Jason Merrill <jason@redhat.com>
7908 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7909 (push_visibility, pop_visibility): Likewise.
7910 * c-pragma.h: Declare them.
7912 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7914 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7916 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7917 parameter and use get_ebb_head_tail.
7918 (sh_md_init_global): Adjust uses of find_regmode_weight.
7920 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7922 * function.h (struct function) <x_tail_recursion_reentry>:
7923 Rename to x_stack_check_probe_note.
7924 (tail_recursion_reentry): Rename to stack_check_probe_note.
7925 * function.c: Replace tail_recursion_reentry with
7926 stack_check_probe_note everywhere.
7927 (expand_function_start): Only emit a note for
7928 stack_check_probe_note with -fstack-protect.
7929 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7931 * emit-rtl.c (remove_unnecessary_notes): Remove.
7932 (pass_remove_unnecessary_notes): Remove.
7933 * rtl.h (remove_unnecessary_notes): Remove prototype.
7934 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7935 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7936 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7938 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7941 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7942 (valid_in_set): Handle ARRAY_REF.
7943 Change "if min_variant or VH" to asserts.
7944 (create_component_ref_by_pieces): Handle ARRAY_REF.
7945 (create_expression_by_pieces): Likewise.
7946 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7948 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7950 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7951 is operand of switch, not str[0].
7953 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7955 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7956 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7958 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7960 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7961 end of insn_extra_address_constraint declaration.
7963 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7965 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7966 (no-sum-in-toc): Same.
7967 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7969 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7970 NO_FP_IN_TOC for -fPIC instead of mask.
7972 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7973 (BOOT_LDFLAGS): Delete.
7975 * config/rs6000/t-aix52: Same.
7977 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7978 (stmsi[345678]_power): New.
7980 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7982 * config/ia64/ia64.opt: Add empty line to end of file.
7984 2006-03-17 Richard Guenther <rguenther@suse.de>
7987 * builtins.c (get_pointer_alignment): For component style references
7988 adjust alignment to the component type alignment. Make sure
7989 to adjust alignment for component access of constants.
7991 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7993 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7996 2006-03-17 Paul Brook <paul@codesourcery.com>
7998 * doc/install.texi: Docuemnt --with-mode.
7999 * config.gcc: Add --with-mode for arm*-*-*.
8000 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8002 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8004 * sh.c (max_labelno_before_reorg): New variable.
8005 (sh_reorg): Initialize it.
8006 (find_barrier): Check max_labelno_before_reorg before using
8007 label_to_alignment. Take length of explicit alignment insns
8008 into account. When seeing a UNSPECV_CONST_END, return it.
8010 * sh.c (fixup_mova): Set mode of affected label to QImode.
8011 (untangle_mova): New function.
8012 (find_barrier): Use it. Check mode of label before decrementing
8014 (sh_reorg): Likewise.
8015 Set mode of all insns back to VOIDmode.
8017 * sh.c (MOVA_LABELREF): New macro.
8018 (mova_p, fixup_mova, sh_reorg): Use it.
8019 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8020 ADDR_DIFF_VEC matches mova.
8022 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8024 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8025 with ATTRIBUTE_UNUSED.
8027 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8029 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8030 pointer, instead of assuming it is possible to derive the
8031 correct args size from a call insn.
8033 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8035 * rtl.h (CONST_INT_P): Define.
8036 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8037 instead of GET_CODE(x) == CONST_INT.
8038 (vax_rtx_costs): Likewise.
8039 (vax_output_int_move): Likewise.
8040 (vax_output_int_add): Likewise.
8041 (legitimate_constant_address_p): Likewise.
8042 (index_term_p): Likewise.
8043 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8044 * config/vax/vax.md (and<mode>3): Likewise.
8045 (ashrsi3): Likewise.
8047 (movstricthi): Likewise.
8048 (movstrictqi): Likewise.
8049 (rotrsi3): Likewise.
8050 (five unnamed insns): Likewise.
8052 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8054 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8055 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8056 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8057 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8058 Pass to ASM_OUTPUT_DWARF_OFFSET.
8059 * dwarf2out.c (debug_frame_section): New.
8060 (output_call_frame_info): Use debug_frame_section. Pass it to
8061 dw2_asm_output_offset.
8062 (output_die): Pass appropriate section to dw2_asm_output_offset.
8063 (output_compilation_unit_header): Likewise.
8064 (output_pubnames): Likewise.
8065 (output_aranges): Likewise.
8066 (enum dw_val_class): Break dw_val_class_lbl_offset into
8067 dw_val_class_lineptr and dw_val_class_macptr.
8068 (add_AT_lbl_offset): Delete.
8069 (add_AT_lineptr): New.
8070 (add_AT_macptr): New.
8071 (AT_lbl): Expect a lineptr or macptr.
8072 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8073 (attr_checksum): Likewise.
8074 (same_dw_val_p): Likewise.
8075 (size_of_die): Likewise.
8076 (value_format): Likewise.
8077 (output_die): Likewise.
8078 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8080 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8081 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8082 * config/darwin-protos.h (darwin_file_start): New.
8083 (darwin_asm_output_dwarf_offset): New.
8084 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8085 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8087 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8088 if not EH section; simplify.
8089 (darwin_file_start): New.
8090 (darwin_asm_output_dwarf_offset): New.
8091 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8093 (DEBUG_INFO_SECTION): Likewise.
8094 (DEBUG_ABBREV_SECTION): Likewise.
8095 (DEBUG_ARANGES_SECTION): Likewise.
8096 (DEBUG_MACINFO_SECTION): Likewise.
8097 (DEBUG_LINE_SECTION): Likewise.
8098 (DEBUG_LOC_SECTION): Likewise.
8099 (DEBUG_PUBNAMES_SECTION): Likewise.
8100 (DEBUG_STR_SECTION): Likewise.
8101 (DEBUG_RANGES_SECTION): Likewise.
8102 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8103 (ASM_OUTPUT_DWARF_OFFSET): New.
8105 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8107 * config.gcc (tm_defines): Always add to previous value rather
8110 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8112 * config/mips/predicates.md (splittable_const_int_operand): New,
8113 split from move_operand.
8114 (splittable_symbolic_operand): New.
8115 (move_operand): Add commentary. Use splittable_const_int_operand.
8116 Inline mips_atomic_symbolic_constant_p.
8117 * config/mips/mips.md: Add combine splitters for handling moves
8118 of splittable_const_int_operands and splittable_symbolic_operands.
8119 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8120 (mips_split_symbol): Declare.
8121 (mips_move_integer): Declare.
8122 * config/mips/mips.c (mips_split_p): Make global.
8123 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8124 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8125 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8126 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8127 (mips_offset_within_object_p): Handle block symbols.
8128 (mips_atomic_symbolic_constant_p): Delete.
8129 (mips_cannot_force_const_mem): Return false for constants that
8130 mips_legitimize_move can handle.
8131 (mips_use_blocks_for_constant_p): New function.
8132 (mips_split_symbol): Make global.
8133 (mips_move_integer): Likewise. Add a temporary register argument.
8134 (mips_legitimize_const_move): Use splittable_const_int_operand and
8135 splittable_symbolic_operand.
8136 (mips_use_anchors_for_symbol_p): New function.
8137 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8138 (mips_split_p): Declare.
8140 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8142 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8143 (mips*-*-linux*): Likewise.
8145 2006-03-16 Roger Sayle <roger@eyesopen.com>
8146 Daniel Speyer <dspeyer@wam.umd.edu>
8149 * tree-dump.c (dump_real): New function.
8150 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8151 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8152 (tree-dump.o): Add $(REAL_H) to the dependencies.
8154 2006-03-16 Roger Sayle <roger@eyesopen.com>
8157 * real.c (real_from_string): If the mantissa is zero, don't bother
8158 parsing the exponent as the result should always be zero.
8160 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8162 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8164 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8166 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8167 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8168 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8169 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8170 ia64_sched_finish_global): New static functions to implement
8171 hooks from gcc_target.sched.
8172 (spec_check_no, max_uid, pending_data_specs): New static variables.
8173 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8174 ia64_spec_check_src_p): New static functions.
8175 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8176 (TARGET_SCHED_ADJUST_COST): Removed.
8177 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8178 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8179 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8180 TARGET_SCHED_GEN_CHECK,
8181 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8182 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8183 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8184 Fixed to handle speculation checks.
8185 (rtx_needs_barrier): Fixed to handle speculative loads and
8187 (ia64_variable_issue): Added code to count speculative loads and their
8189 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8191 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8193 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8195 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8196 (ia64_reorg): Reset stops_p to NULL after it is freed.
8197 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8198 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8199 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8201 (data_speculative, control_speculative, check_load): New attributes.
8202 (mov<mode>_advanced, mov<mode>_speculative,
8203 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8204 zero_extend<mode>di2_speculative,
8205 zero_extend<mode>di2_speculative_advanced): New patterns for
8206 data and control speculative loads.
8207 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8209 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8210 New pattern for data and control speculation checks.
8211 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8212 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8213 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8214 Auxiliary definitions for the patterns.
8215 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8216 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8218 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8220 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8221 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8222 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8223 New resource constraints.
8224 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8226 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8227 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8228 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8229 msched-in-control-spec, msched-ldc, msched-control-ldc,
8230 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8231 msched-prefer-non-control-spec-insns,
8232 msched-count-spec-in-critical-path): New flags to tune speculative
8234 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8235 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8236 msched-in-control-spec, msched-ldc, msched-control-ldc,
8237 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8238 msched-prefer-non-control-spec-insns,
8239 msched-count-spec-in-critical-path): Document new flags.
8241 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8243 * target.h (struct spec_info_def): New opaque declaration.
8244 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8245 speculate_insn, needs_block_p, gen_check,
8246 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8247 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8248 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8249 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8250 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8251 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8253 (TARGET_SCHED): Use new macros.
8254 * rtl.h (copy_DEPS_LIST_list): New prototype.
8255 * sched-int.h (struct sched_info): Change signature of new_ready field,
8256 adjust all initializations. New fields: add_remove_insn,
8257 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8258 region_head_or_leaf_p.
8259 (struct spec_info_def): New structure declaration.
8260 (spec_info_t): New typedef.
8261 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8262 recovery_block, orig_pat.
8263 (glat_start, glat_end): New variables declaraions.
8264 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8266 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8267 DETACH_LIFE_INFO, USE_GLAT.
8268 (enum SPEC_SCHED_FLAGS): New enumeration.
8269 (NOTE_NOTE_BB_P): New macro.
8270 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8271 attach_life_info, debug_spec_status, check_reg_live): New functions.
8272 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8273 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8275 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8276 * ddg.c (get_block_head_tail): Adjust all uses.
8277 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8278 (sms_sched_info): Initialize new fields.
8279 (contributes_to_priority): Removed.
8280 * haifa-sched.c (params.h): New include.
8281 (get_block_head_tail): Adjust all uses.
8282 (ISSUE_POINTS): New macro.
8283 (glat_start, glat_end): New global variables.
8284 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8285 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8286 old_last_basic_block, before_recovery, current_sched_info_var,
8287 rgn_n_insns, luid): New static variables.
8288 (insn_cost1): New function. Move logic from insn_cost to here.
8289 (find_insn_reg_weight1): New function. Move logic from
8290 find_insn_reg_weight to here.
8291 (reemit_notes, move_insn, max_issue): Change signature.
8292 (move_insn1): Removed.
8293 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8294 extend_bb): New static functions to support extension of scheduler's
8296 (generate_recovery_code, process_insn_depend_be_in_spec,
8297 begin_speculative_block, add_to_speculative_block,
8298 init_before_recovery, create_recovery_block, create_check_block_twin,
8299 fix_recovery_deps): New static functions to support
8300 generation of recovery code.
8301 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8302 restore_bb_notes, move_block_after_check, move_succs): New static
8303 functions to support ebb scheduling.
8304 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8305 functions to support handling of register live information.
8306 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8307 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8308 add_jump_dependencies): New static functions.
8309 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8310 consistancy checking.
8311 (debug_spec_status): New function to call from debugger.
8312 (priority): Added code to handle speculation checks.
8313 (rank_for_schedule): Added code to distinguish speculative instructions.
8314 (schedule_insn): Added code to handle speculation checks.
8315 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8316 Fixed to handle ebbs.
8317 (move_insn): Added code to handle ebb scheduling.
8318 (max_issue): Added code to use ISSUE_POINTS of instructions.
8319 (choose_ready): Added code to choose between speculative and
8320 non-speculative instructions.
8321 (schedule_block): Added code to handle ebb scheduling and scheduling of
8322 speculative instructions.
8323 (sched_init): Initialize new variables.
8324 (sched_finish): Free new variables. Print statistics.
8325 (try_ready): Added code to handle speculative instructions.
8326 * lists.c (copy_DEPS_LIST_list): New function.
8327 * sched-deps.c (extend_dependency_caches): New function. Move logic
8328 from create_dependency_caches to here.
8329 (get_dep_weak, ds_merge): Make global.
8330 * genattr.c (main): Code to output prototype for
8331 dfa_clear_single_insn_cache.
8332 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8333 (output_dfa_clean_insn_cache_func): Code to output
8334 dfa_clear_single_insn_cache function.
8335 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8337 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8339 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8340 New static variables.
8341 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8342 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8344 (ebb_sched_info): Initialize new fields.
8345 (get_block_head_tail): Adjust all uses.
8346 (compute_jump_reg_dependencies): Fixed to use glat_start.
8347 (schedule_ebb): Code to remove unreachable last block.
8348 (schedule_ebbs): Added code to update register live information.
8349 * sched-rgn.c (region_sched_info): Initialize new fields.
8350 (get_block_head_tail): Adjust all uses.
8351 (last_was_jump): Removed. Adjust users.
8352 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8353 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8354 Implement new hooks.
8355 (check_dead_notes1): New static function.
8356 (struct region): New fields: dont_calc_deps, has_real_ebb.
8357 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8358 (BB_TO_BLOCK): Fixed to handle EBBs.
8359 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8360 (ebb_head): New static variable.
8361 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8362 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8364 (compute_dom_prob_ps): New assertion.
8365 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8366 global_live_at_start.
8367 (init_ready_list): New assertions.
8368 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8369 (new_ready): Add support for BEGIN_CONTROL speculation.
8370 (schedule_insns): Fixed code that updates register live information
8372 (schedule_region): Fixed to handle EBBs.
8373 (init_regions): Use extend_regions and check_dead_notes1.
8374 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8375 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8376 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8377 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8378 TARGET_SCHED_GEN_CHECK,
8379 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8380 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8381 * doc/invoke.texi (max-sched-insn-conflict-delay,
8382 sched-spec-prob-cutoff): Document.
8384 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8386 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8387 inter_tick, queue_index.
8388 (struct sched_info): Change signature of init_ready_list field.
8389 Adjust all initializations.
8390 (RESOLVED_DEPS): New access macro.
8391 (ready_add): Remove prototype.
8392 (try_ready): Add prototype.
8393 * sched-rgn.c (init_ready_list): Use try_ready.
8394 (schedule_region): Initialize
8395 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8396 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8397 (init_ready_list): Use try_ready.
8398 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8399 * lists.c (remove_list_elem): Remove `static'.
8400 (remove_free_INSN_LIST_elem): New function.
8401 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8402 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8403 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8405 (readyp): New variable.
8406 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8407 change_queue_index, resolve_dep): New static functions.
8408 (try_ready): New function. Adjust callers in sched-rgn.c and
8409 sched-ebb.c to use it instead of ready_add.
8410 (clock_var): Move at the begining of file.
8411 (rank_for_schedule): Fix typo.
8412 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8413 (ready_lastpos): Enforce assertion.
8414 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8416 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8417 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8418 (queue_to_ready): Use free_INSN_LIST_list.
8419 (early_queue_to_ready): Fix typo.
8420 (schedule_block): Init readyp. Move init_ready_list call after the
8421 initialization of clock_var. Fix error in rejecting insn by
8422 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8423 that previously corrected INSN_TICKs. Add code for handling
8425 (set_priorities): Fix typo.
8426 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8427 Clarify comment and code that keeps current_sched_info->next_tail
8430 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8432 * sched-rgn.c (extend_rgns): New static function.
8433 (find_rgns): Use it.
8434 (gather_region_statistics, print_region_statistics): New static
8436 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8437 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8439 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8440 Andrey Belevantsev <abel@ispras.ru>
8442 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8443 * lists.c (unused_deps_list): New variable.
8444 (free_list): Add assertions to verify the proper distinguishing
8445 between INSN_LISTs and DEPS_LISTs.
8446 (find_list_elem, remove_list_elem, remove_list_node): New static
8448 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8449 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8450 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8451 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8453 (free_INSN_LIST_node): Likewise.
8454 * modulo-sched.c (current_sched_info): Initialize flags field.
8455 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8456 * rtl.def (DEPS_LIST): Define.
8457 * rtl.h: Declare new functions from lists.c.
8458 * sched-deps.c (spec_dependency_cache): New static variable.
8459 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8460 (add_dependence): Change return type to void. Move the logic to ...
8461 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8462 (delete_all_dependences): Add comment about forward_dependency_cache.
8463 Handle spec_dependency_cache. Handle DEPS_LISTs.
8464 (fixup_sched_groups): Clarify the change of priority of output
8465 and anti dependencies.
8466 (sched_analyze_2): Adjust add_dependence calls to create data
8467 speculative dependence.
8468 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8469 Adjust all callers. Handle DEPS_LISTS.
8470 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8471 presence of speculation.
8472 (init_dependency_caches, free_dependency_caches):
8473 Handle spec_dependency_cache.
8474 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8475 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8476 New static functions.
8477 (add_or_update_back_dep, add_or_update_back_forw_dep,
8478 add_back_forw_dep, delete_back_forw_dep): New functions.
8479 * sched-int.h (ds_t, dw_t): New typedefs.
8480 (struct sched_info): Add new field flags.
8481 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8482 Prototype new sched-deps.c functions.
8483 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8484 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8485 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8486 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8487 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8488 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8490 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8492 * sched-rgn.c (current_sched_info): Initialize flags field.
8493 (schedule_insns): Initialize current_sched_info before the sched_init
8495 * sched-ebb.c (current_sched_info): Initialize flags field.
8496 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8497 Call add_or_update_back_dep instead of add_dependence.
8498 Create control speculative dependencies.
8499 (schedule_insns): Initialize current_sched_info before the sched_init
8502 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8504 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8506 (sh_fallback_frame_state): Likewise.
8508 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8510 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8511 Do switch on default_use_cxa_atexit.
8512 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8513 * config/darwin-crt3.o: New.
8514 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8515 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8516 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8518 * config/rs6000/t-darwin: Move crt2.o building to here.
8519 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8520 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8523 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8525 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8526 from '! xxx' to '!xxx' for coding-style conformance.
8527 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8528 (EXTRA_CONSTRAINT): Likewise.
8529 * config/vax/vax.md (four unnamed insns): Likewise.
8531 2006-03-15 Paul Brook <paul@codesourcery.com>
8533 * config/arm/arm.c (minipool_pad): New.
8534 (add_minipool_forward_ref): Include pool alignment padding in address
8536 (push_minipool_fix): Set minipool_pad.
8537 (minipool_pad): Ditto.
8539 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8541 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8542 instead of GET_CODE() == MEM and REG_P() instead of
8544 (print_operand_address): Likewise.
8545 (vax_address_cost): Likewise.
8546 (vax_rtx_costs): Likewise.
8547 (vax_notice_update_cc): Likewise.
8548 (vax_output_int_add): Likewise.
8549 (INDEX_REGISTER_P): Likewise.
8550 (BASE_REGISTER_P): Likewise.
8551 (nonindexed_address_p): Likewise.
8552 (vax_mode_dependent_address_p): Likewise.
8553 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8554 (PRINT_OPERAND): Likewise.
8555 * config/vax/vax.md (ashlsi3): Likewise.
8556 (ashlsi3): Likewise.
8557 (some more unnamed insns): Likewise.
8559 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8561 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8562 iterator-style macro.
8563 (mark_control_dependent_edges_necessary): Update the use of
8564 EXECUTE_IF_CONTROL_DEPENDENT.
8566 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8568 * config/sh/predicates.md (cache_address_operand): Special.
8569 (ua_address_operand): Likewise.
8571 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8573 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8575 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8577 2006-03-15 Andreas Schwab <schwab@suse.de>
8579 * gensupport.c (identify_predicable_attribute): Don't free p_false
8580 when it is still in use.
8582 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8584 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8585 the default setting here.
8587 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8589 * tree-pass.h (pass_cfg): Remove.
8590 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8591 * passes.c (pass_cfg): Don't run it.
8593 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8595 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8596 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8598 (stack_regs_mentioned): Update the uses of
8599 stack_regs_mentioned_data. Don't access the array beyond its
8601 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8602 Don't include gt-reg-stack.h.
8604 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8605 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8607 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8610 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8613 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8615 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8617 2006-03-14 Richard Guenther <rguenther@suse.de>
8619 PR tree-optimization/26672
8620 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8623 2006-03-14 Richard Guenther <rguenther@suse.de>
8625 PR tree-optimization/26667
8626 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8627 node for the callees. Always allow inlining if it will shrink
8630 2006-03-14 Richard Guenther <rguenther@suse.de>
8633 * builtins.c (get_pointer_alignment): Prefer alignment
8634 information from decls over that from types.
8636 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8639 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8641 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8643 * config/rs6000/rs6000.opt (mdlmzb): New option.
8644 (msched-prolog, msched-epilog): Use Var not Mask.
8645 * doc/invoke.texi (-mdlmzb): Document.
8646 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8648 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8649 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8651 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8653 PR rtl-optimization/25739
8654 * bt-load.c (augment_live_range): Free tos pointer.
8656 * gensupport.c (identify_predicable_attribute): Free
8658 * gcov.c (create_file_names): Free name pointer.
8660 2006-03-13 Roger Sayle <roger@eyesopen.com>
8663 * stmt.c (emit_case_nodes): Handle the case where the index is a
8664 CONST_INT, where the comparison mode is specified by the index type.
8666 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8668 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8671 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8673 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8674 (*branch_fp_inverted): Likewise.
8676 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8679 * omp-low.c (expand_omp_for_generic): Mark istart0
8680 and iend0 as addressable.
8682 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8684 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8686 2006-03-13 Jeff Law <law@redhat.com>
8688 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8689 virtual operands are interesting.
8690 (vrp_visit_stmt): Corresponding changes.
8692 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8694 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8696 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8697 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8698 * config/bfin/crti.S: Use it instead of __PIC__.
8699 * config/bfin/crtn.S: Likewise.
8701 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8702 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8704 Lose 'G' modifier for call operand.
8705 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8706 recognize 'G' modifier.
8708 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8711 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8712 * stmt.c (expand_case): Likewise.
8714 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8716 PR rtl-optimization/26254
8717 * loop-invariant.c (seq_insns_valid_p): New function.
8718 (move_invariant_reg): Only emit new code if it is valid.
8720 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8722 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8724 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8725 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8726 (commit_one_edge_insertion): Do not look for loop notes.
8728 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8730 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8731 flag_test_coverage out of loop.
8733 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8735 * final.c (shorten_branches): Remove outdated comment, and turn
8736 the if branch that guards it to continue.
8738 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8740 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8741 * cfgloop.h (struct loop): Remove unused fields.
8743 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8745 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8746 (-dL, -fdump-rtl-loop2): Update the dump file names
8748 * doc/invoke.texi: Update dump file names.
8750 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8752 * predict.c (estimate_probability): Remove.
8753 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8754 * basic-block.h (estimate_probability): Remove prototype.
8755 * passes.c (finish_optimization_passes): Dump branch prediction or
8756 profiling heuristics to the .profile tree dump.
8757 (init_optimization_passes): Unqueue pass_branch_prob.
8759 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8761 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8763 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8764 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8766 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8768 * function.h (frame_offset_overflow): Declare.
8769 * function.c (frame_offset_overflow): New function.
8770 (assign_stack_local_1): Call it to detect that the offset overflows.
8771 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8773 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8775 * config/sh/sh.c: Include alloc-pool.h.
8776 (label_ref_list_pool): New alloc pool.
8777 (label_ref_list_t): New type for lists of labels.
8778 (struct pool_node): Make wend a label_ref_list_t.
8779 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8781 (dump_table): Likewise.
8782 (sh_reorg): Set up the alloc pool before using add_constant and
8783 dump_table, and destroy it when finishing.
8785 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8787 * config/mips/mips.c: Remove redundant comment.
8789 2006-03-10 Jason Merrill <jason@redhat.com>
8792 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8793 the target was declared 'register'.
8795 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8797 * genpreds.c (write_insn_constraint_len): Change definition of
8798 insn_constraint_len to return size_t to match the declaration.
8800 2006-03-10 DJ Delorie <dj@redhat.com>
8802 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8804 (m32c_expand_insv): Fix test for an AND mask.
8806 2006-03-10 Richard Guenther <rguenther@suse.de>
8809 * builtins.c (get_pointer_alignment): Handle component
8810 references for field alignment.
8812 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8814 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8815 when building with libgloss.
8816 (sh*elf): Implement --without-fp option.
8817 (sh64-superh-linux*): Don't multilib.
8819 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8821 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8823 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8825 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8826 Set it when one of the replacement functions returned true.
8827 Return TODO_cleanup_cfg if cfgchanged is true.
8828 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8830 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8832 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8833 instead of gen_lowpart.
8835 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8837 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8839 (mips_output_order_conditional_branch): Declare.
8840 * config/mips/mips.h (MIPS_BRANCH): New macro.
8841 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8842 for the comparison. Use gen_condjump.
8843 (mips_output_conditional_branch): Rework interface to take the
8844 asm templates for a direct branch and the inverse of a direct branch.
8845 (mips_output_order_conditional_branch): New function.
8846 (mips_builtin_branch_and_move): New function.
8847 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8848 branch condition. Use gen_single_cc as the condition for
8849 __builtin_mips_upper_* or __builtin_mips_lower_*.
8850 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8851 Use VOIDmode for the branch condition.
8852 * config/mips/predicates.md (order_operator): New predicate.
8853 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8854 (branch_fp): Rename to...
8855 (*branch_fp): ...this. Remove mode from comparison operator.
8856 Use new mips_output_conditional_branch interface.
8857 (branch_fp_inverted): Rename to...
8858 (*branch_fp_inverted): ...this and update as for *branch_fp.
8859 (*branch_zero<mode>): Rename to...
8860 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8861 Use mips_output_order_conditional_branch. Only accept ordered
8863 (*branch_zero<mode>_inverted): Rename to...
8864 (*branch_order<mode>_inverted): ...this and update as for
8865 *branch_order<mode>.
8866 (*branch_equality<mode>): Accept zero as the second operand to
8867 the equality operator. Use the new mips_output_conditional_branch
8869 (*branch_equality<mode>_inverted): Likewise.
8870 (condjump): New expander.
8871 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8873 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8874 (bc1any2t, bc1any2f): Likewise.
8875 (single_cc): New expander.
8876 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8878 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8880 * doc/md.texi: Update documentation of MIPS constraints.
8881 * config/mips/constraints.md: New file.
8882 * config/mips/mips.md: Include it.
8883 * config/mips/mips.c (mips_char_to_class): Delete.
8884 (override_options): Don't initialize mips_char_to_class.
8885 * config/mips/mips.h (mips_char_to_class): Delete.
8886 (REG_CLASS_FROM_LETTER): Delete.
8887 (CONST_OK_FOR_LETTER_P): Delete.
8888 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8889 (EXTRA_CONSTRAINT_Y): Delete.
8890 (EXTRA_CONSTRAINT_STR): Delete.
8891 (CONSTRAINT_LEN): Delete.
8892 (EXTRA_MEMORY_CONSTRAINT): Delete.
8894 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8896 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8897 original fn's eh regions.
8899 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8901 * fold-const.c (build_range_check): Make sure to use a valid type to
8902 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8905 (range_predecessor): New static function.
8906 (range_successor): Likewise.
8907 (merge_ranges): Use them to compute predecessors and successors of
8910 2006-03-09 Roger Sayle <roger@eyesopen.com>
8913 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8914 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8916 2006-03-08 DJ Delorie <dj@redhat.com>
8918 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8919 (addpsi3): Expand to include memory operands. Remove
8920 reload-specific splits.
8921 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8922 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8923 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8924 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8925 (shift1_qi, shift1_hi, insv): New.
8926 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8927 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8928 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8930 * config/m32c/m32c-protos.h: Update as needed.
8931 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8932 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8933 Fail for unrecognized R* constraints.
8934 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8935 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8936 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8938 (m32c_init_libfuncs): New.
8939 (m32c_legitimate_address_p): Add debug wrapper.
8940 (m32c_rtx_costs): New.
8941 (m32c_address_cost): New.
8942 (conversions): Add 'B' prefix.
8943 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8944 operands, or word regnames for QI operands. 'B' prints bit
8946 (m32c_expand_setmemhi): New.
8947 (m32c_expand_movmemhi): New.
8948 (m32c_expand_movstr): New.
8949 (m32c_expand_cmpstr): New.
8950 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8951 (m32c_expand_neg_mulpsi3): Handle non-ints.
8952 (m32c_cmp_flg_0): New.
8953 (m32c_expand_movcc): New.
8954 (m32c_expand_insv): New.
8955 (m32c_scc_pattern): New.
8956 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8957 a0/a1 out of SIregs.
8958 (STORE_FLAG_VALUE): New.
8959 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8962 * config/m32c/mov.md: Make constraints more liberal.
8963 (zero_extendqihi2): Optimize r0/r1 case.
8964 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8965 * config/m32c/predicates.md (m32c_any_operand): New.
8966 (m32c_nonimmediate_operand): New.
8967 (m32c_hl_operand): New.
8968 (m32c_r3_operand): New.
8971 (memsym_operand): New.
8972 (memimmed_operand): New.
8973 (a_qi_operand): New.
8974 (m32c_eqne_operator): New.
8975 (m32c_1bit8_operand): New.
8976 (m32c_1bit16_operand): New.
8977 (m32c_1mask8_operand): New.
8978 (m32c_1mask16_operand): New.
8979 * config/m32c/blkmov.md: New file.
8980 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8982 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8984 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8985 unsigned to fix signed/unsigned comparison issue in
8986 DWARF2_FRAME_REG_OUT.
8987 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8988 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8990 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8991 of ptr into the ENABLE_CHECKING section.
8993 2006-03-08 Jeff Law <law@redhat.com>
8995 * tree-vrp.c (infer_value_range): Only count pointer uses
8996 and dereferences if -fdelete-null-pointer-checks is enabled.
8998 * tree-vrp.c (find_assert_locations): Infer value ranges for
8999 single use pointers, but do not create ASSERT_EXPRs for them.
9000 When a non-null range is inferred for a pointer, backwards
9001 propagate that range to other equivalent pointers through the
9004 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9007 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9008 language hook targets.
9009 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9010 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9011 if language hook targets were missing.
9013 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9015 * tree-ssa-opfinalize.h: Removed.
9016 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9018 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9019 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9020 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9021 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9022 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9023 finalize_ssa_v_must_def_ops): New.
9025 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9027 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9030 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9032 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9034 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9035 addresses with offsets; reorganize.
9037 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9038 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9039 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9041 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9044 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9046 2006-03-08 Ben Elliston <bje@au.ibm.com>
9048 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9050 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9053 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9056 2006-03-07 Richard Guenther <rguenther@suse.de>
9058 PR tree-optimization/26587
9059 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9061 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9063 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9065 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9067 * hooks.c (hook_bool_mode_rtx_true): New function.
9068 * hooks.h (hook_bool_mode_rtx_true): Declare.
9069 * toplev.c (compile_file): Call output_shared_constant_pool.
9070 * varasm.c (shared_constant_pool): New variable.
9071 (assemble_start_function, assemble_end_function): Remove arguments
9072 from call to output_constant_pool.
9073 (create_constant_pool): New function, split out from...
9074 (init_varasm_status): ...here.
9075 (force_const_mem): Choose between the shared and per-function constant
9076 pools. Set current_function_uses_const_pool when reusing old entries
9077 as well as when creating new ones.
9078 (mark_constant): Ignore data argument.
9079 (mark_constants): Remove pool argument.
9080 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9081 to decide whether the function uses a constant pool.
9082 (output_constant_pool_contents): New function, split out from...
9083 (output_constant_pool): ...here.
9084 (output_shared_constant_pool): New function.
9085 (init_varasm_once): Initialize shared_constant_pool.
9086 * output.h (output_constant_pool): Delete.
9087 (output_shared_constant_pool): Declare.
9088 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9089 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9091 2006-03-06 Nick Clifton <nickc@redhat.com>
9093 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9094 flag_strength_reduce.
9096 2006-03-06 Ben Elliston <bje@au.ibm.com>
9098 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9099 x86_64-*-linux* configurations.
9101 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9102 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9104 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9106 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9108 * basic-block.h: Remove the extern for
9109 rediscover_loops_after_threading.
9111 * cfgloop.c (cancel_loop): Make it static.
9112 * cfgloop.h: Remove the prototype for cancel_loop.
9114 * flow.c (recompute_reg_usage): Make it static.
9115 * rtl.h: Remove the prototype for recompute_reg_usage.
9117 * function.c (use_return_register): Make it static.
9118 * function.h: Remove the prototype.
9120 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9122 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9124 * recog.h: Remove the prototype for
9125 validate_change_maybe_volatile.
9127 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9129 * rtlanal.c (replace_reg): Remove.
9130 * rtl.h: Remove the prototype for replace_reg.
9132 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9134 * regclass.c (reg_scan_update): Remove.
9135 (reg_scan_mark_refs): Remove the last argument.
9136 * rtl.h: Remove the prototype for reg_scan_update.
9138 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9140 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9141 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9142 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9143 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9144 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9145 loop-invariant.c, omp-low.c, opts.c, passes.c,
9146 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9147 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9148 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9149 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9150 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9151 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9153 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9155 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9156 * dwarf2out.h: Remove the prototype for
9157 dwarf2out_add_library_unit_info.
9159 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9161 * tree.c (add_var_to_bind_expr): Remove.
9162 * tree.h: Remove the prototype for add_var_to_bind_expr.
9164 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9166 * regclass.c (n_non_fixed_regs): Remove.
9167 (init_reg_sets_1, globalize_reg): Remove all uses of
9169 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9171 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9173 * rtlanal.c (insns_safe_to_move_p): Remove.
9174 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9176 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9178 * expmed.c (expand_mult_add): Remove.
9179 * expr.h: Remove the prototype for expand_mult_add.
9181 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9183 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9184 and REG_SAVED_VAL_EXP constants.
9185 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9186 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9187 Handle regs stored by value.
9188 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9189 (execute_cfa_program): Handle DW_CFA_val_offset,
9190 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9191 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9192 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9193 (uw_install_context_1): Handle target regs stored by value.
9195 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9197 * tree-sra.c (tree_sra): Return todoflags;
9198 (generate_one_element): Set TODO_update_smt_usage if needed.
9199 (pass_sra): Remove TODO_update_smt_usage.
9200 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9202 (tree_ssa_forward_propagate_single_use_vars): Return
9203 TODO_update_smt_usage if we need to update SMT usage.
9204 (pass_forwprop): Remove TODO_update_smt_usage.
9206 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9208 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9209 (correct_use_link): Remove reference to get_stmt_operands.
9210 (update_stmt_operands): Likewise.
9211 (get_modify_expr_operands): New function factored out of
9212 parse_ssa_operands and get_expr_operands.
9213 Try to create V_MUST_DEFs for LHS by default.
9214 (get_expr_operands) <case MODIFY_EXPR>: Call
9215 get_modify_expr_operands.
9216 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9217 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9218 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9219 get_modify_expr_operands.
9221 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9223 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9224 * tree-flow.h: Remove the prototype for
9225 referenced_var_lookup_if_exists.
9227 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9229 PR rtl-optimization/26345
9231 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9233 2006-03-03 Roger Sayle <roger@eyesopen.com>
9235 PR tree-optimization/26524
9236 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9237 fold_convert to create a constant of the appropriate type.
9239 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9241 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9242 SYMBOL_REF_IN_BLOCK_P.
9243 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9244 of SYMBOL_FLAG_IN_BLOCK.
9245 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9246 instead of SYMBOL_REF_IN_BLOCK_P.
9247 * explow.c (use_anchored_address): Likewise.
9248 * rtl.c (rtx_size): Likewise.
9249 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9250 instead of SYMBOL_FLAG_IN_BLOCK.
9251 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9252 SYMBOL_REF_IN_BLOCK_P.
9253 (assemble_variable): Likewise.
9254 (output_constant_def_contents): Likewise.
9255 (output_constant_pool): Likewise.
9256 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9257 instead of SYMBOL_FLAG_IN_BLOCK.
9258 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9259 SYMBOL_REF_IN_BLOCK_P.
9260 (SYMBOL_REF_BLOCK): Likewise.
9261 (SYMBOL_REF_OFFSET): Likewise.
9262 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9263 SYMBOL_REF_IN_BLOCK_P.
9264 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9265 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9266 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9267 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9269 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9271 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9273 2006-03-02 Roger Sayle <roger@eyesopen.com>
9275 * simplify-rtx.c (simplify_unary_operation): When simplifying
9276 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9277 that we perform the right shift in the appropriate mode, and
9278 then extend or truncate the result to requested mode.
9280 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9282 * gengtype.c (main): Handle double_int type.
9283 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9284 * double-int.c: New file.
9285 * double-int.h: New file.
9286 * system.h: Include doubleint.h.
9287 * Makefile.in (SYSTEM_H): Include double-int.h.
9288 (double-int.o): Add.
9290 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9293 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9296 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9298 * tree-vrp.c (remove_range_assertions): Do not update statements
9301 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9303 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9305 * gcse.c (rest_of_handle_gcse): Ditto.
9306 * except.c (gate_handle_eh): Ditto.
9307 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9308 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9310 2006-03-02 Eric Christopher <echristo@apple.com>
9312 * config/i386/i386.c (machopic_output_stub): Add indirection to
9315 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9319 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9321 Sun Niagara specific optimizations.
9322 * config.gcc: Recognize niagara as target.
9323 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9324 (TARGET_CPU_niagara): Define.
9325 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9326 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9327 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9328 (ASM_CPU_SPEC): Likewise.
9329 (PROCESSOR_NIAGARA): New enum entry.
9330 (REGISTER_MOVE_COST): Handle Niagara.
9331 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9332 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9333 (sparc_override_options): Recognize "niagara", set appropriate
9334 default MASK_* values for it, and align functions to 32-bytes
9335 by default just like ULTRASPARC/ULTRASPARC3.
9336 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9337 (sparc64_initialize_trampoline): Likewise.
9338 (sparc_use_sched_lookahead): Use zero for niagara.
9339 (sparc_issue_rate): Use one for niagara.
9340 * config/sparc/niagara.md: New file.
9341 * config/sparc/sparc.md: Include it.
9342 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9343 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9344 when default cpu is niagara.
9345 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9346 (ASM_CPU_SPEC): Likewise.
9347 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9348 when default cpu is niagara.
9349 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9350 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9351 just like v9/ultrasparc/ultrasparc3.
9352 * doc/invoke.texi: Add documentation for "niagara" and improve
9353 existing documentation for ultrasparc variants.
9355 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9357 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9359 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9361 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9362 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9363 and say that only one is needed.
9364 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9365 * target.h (have_switchable_bss_sections): New hook.
9366 * explow.c (use_anchored_address): Check that the symbol is in a block.
9367 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9368 (bss_noswitch_section): New variables.
9369 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9370 (get_noswitch_section): New function.
9371 (get_block_for_section): Allow SECT to be null.
9372 (unlikely_text_section_p): Use SECTION_STYLE.
9373 (bss_initializer_p): New function.
9374 (get_variable_section): Move earlier in file. Take a new argument,
9375 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9376 Return one of the new *_sections in such cases.
9377 (get_block_for_decl): New function, extracting some logic from
9378 use_blocks_for_decl_p.
9379 (change_symbol_section): Remove in favor of...
9380 (change_symbol_block): ...this new function.
9381 (use_blocks_for_decl_p): Remove checks now performed by
9383 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9384 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9385 (emit_local, emit_bss, emit_common): ...these new functions.
9386 Return true if the alignment was honored.
9387 (emit_tls_common): New function.
9388 (asm_emit_uninitialised): Delete.
9389 (assemble_variable_noswitch): New function, split out from...
9390 (assemble_variable): ...here. Don't make decisions about common
9391 variables here. Globalize all public decls that go into non-common
9392 sections. Check whether SYMBOL_REF_BLOCK is null.
9393 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9394 (output_constant_pool): Likewise.
9395 (init_varasm_once): Initialize the new section variables.
9396 (have_global_bss_p): New function.
9397 (categorize_decl_for_section): Use bss_initializer_p.
9398 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9399 (place_block_symbol): Assert that the symbol must be in a block.
9400 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9401 (TARGET_INITIALIZER): Include it.
9402 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9403 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9404 (SECTION_MACH_DEP): Bump by two.
9405 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9406 (unnamed_section): Mention SECTION_UNNAMED in comment.
9407 (named_section): Likewise SECTION_NAMED.
9408 (noswitch_section_callback): New type.
9409 (noswitch_section): New structure.
9410 (section): Add a noswitch_section alternative.
9411 (SECTION_STYLE): New macro.
9412 (tls_comm_section, comm_section, lcomm_section): Declare.
9413 (bss_noswitch_section, have_global_bss_p): Declare.
9414 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9415 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9417 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9418 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9421 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9423 * tree-vrp.c (execute_vrp): Return value.
9424 * regrename.c (rest_of_handle_regrename): Ditto.
9425 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9426 * tree-complex.c (tree_lower_complex): Ditto.
9427 (tree_lower_complex_O0): Ditto.
9428 * tracer.c (rest_of_handle_tracer): Ditto.
9429 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9430 * postreload.c (rest_of_handle_postreload): Ditto.
9431 * tree-tailcall.c (execute_tail_recursion): Ditto.
9432 (execute_tail_calls): Ditto.
9433 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9434 * tree.h (init_function_for_compilation): Ditto.
9435 * ipa-cp.c (ipcp_driver): Ditto.
9436 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9437 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9438 * final.c (compute_alignments): Ditto.
9439 (rest_of_handle_final): Ditto.
9440 (rest_of_handle_shorten_branches): Ditto.
9441 (rest_of_clean_state): Ditto.
9442 * omp-low.c (execute_expand_omp): Ditto.
9443 (execute_lower_omp): Ditto.
9444 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9445 * ipa-reference.c (static_execute): Ditto.
9446 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9447 * reorg.c (rest_of_handle_delay_slots): Ditto.
9448 (rest_of_handle_machine_reorg): Ditto.
9449 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9450 * flow.c (recompute_reg_usage): Ditto.
9451 (rest_of_handle_remove_death_notes): Ditto.
9452 (rest_of_handle_life): Ditto.
9453 (rest_of_handle_flow2): Ditto.
9454 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9455 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9456 (do_ssa_store_ccp): Ditto.
9457 (execute_fold_all_builtins): Ditto.
9458 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9459 * modulo-sched.c (rest_of_handle_sms): Ditto.
9460 * ipa-pure-const.c (static_execute): Ditto.
9461 * cse.c (rest_of_handle_cse): Ditto.
9462 (rest_of_handle_cse2): Ditto.
9463 * web.c (rest_of_handle_web): Ditto.
9464 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9465 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9466 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9467 * tree-nrv.c (tree_nrv): Ditto.
9468 (execute_return_slot_opt): Ditto.
9469 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9470 (create_structure_vars): Ditto.
9471 * loop-init.c (rtl_loop_init): Ditto.
9472 (rtl_loop_done): Ditto.
9473 (rtl_move_loop_invariants): Ditto.
9474 (rtl_unswitch): Ditto.
9475 (rtl_unroll_and_peel_loops): Ditto.
9476 (rtl_doloop): Ditto.
9477 * gimple-low.c (lower_function_body): Ditto.
9478 (mark_used_blocks): Ditto.
9479 * tree-ssa-sink.c (execute_sink_code): Ditto.
9480 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9481 (cgraph_early_inlining): Ditto.
9482 * global.c (rest_of_handle_global_alloc): Ditto.
9483 * jump.c (cleanup_barriers): Ditto.
9484 (purge_line_number_notes): Ditto.
9485 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9486 (rest_of_handle_if_after_reload): Ditto.
9487 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9488 (tree_ssa_loop_im): Ditto.
9489 (tree_ssa_loop_unswitch): Ditto.
9490 (tree_vectorize): Ditto.
9491 (tree_linear_transform): Ditto.
9492 (tree_ssa_loop_ivcanon): Ditto.
9493 (tree_ssa_empty_loop): Ditto.
9494 (tree_ssa_loop_bounds): Ditto.
9495 (tree_complete_unroll): Ditto.
9496 (tree_ssa_loop_prefetch): Ditto.
9497 (tree_ssa_loop_ivopts): Ditto.
9498 (tree_ssa_loop_done): Ditto.
9499 * predict.c (tree_estimate_probability): Ditto.
9500 * recog.c (split_all_insns_noflow): Ditto.
9501 (rest_of_handle_peephole2): Ditto.
9502 (rest_of_handle_split_all_insns): Ditto.
9503 * tree-eh.c (lower_eh_constructs): Ditto.
9504 * regmove.c (rest_of_handle_regmove): Ditto.
9505 (rest_of_handle_stack_adjustments): Ditto.
9506 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9507 * function.c (instantiate_virtual_regs): Ditto.
9508 (init_function_for_compilation): Ditto.
9509 (rest_of_handle_check_leaf_regs): Ditto.
9510 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9511 (rest_of_handle_gcse): Ditto.
9512 * ipa-type-escape.c (type_escape_execute): Ditto.
9513 * alias.c (rest_of_handle_cfg): Ditto.
9514 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9515 * profile.c (rest_of_handle_branch_prob): Ditto.
9516 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9517 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9518 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9519 * tree-dfa.c (find_referenced_vars): Ditto.
9520 * except.c (set_nothrow_function_flags): Ditto.
9521 (convert_to_eh_region_ranges): Ditto.
9522 (rest_of_handle_eh): Ditto.
9523 * emit-rtl.c (unshare_all_rtl): Ditto.
9524 (remove_unnecessary_notes): Ditto.
9525 * except.h (set_nothrow_function_flags): Ditto.
9526 (convert_to_eh_region_ranges): Ditto.
9527 * cfgexpand.c (tree_expand_cfg): Ditto.
9528 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9529 * tree-ssa-pre.c (do_pre): Ditto.
9530 (execute_fre): Ditto.
9531 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9532 (rest_of_handle_jump2): Ditto.
9533 * tree-sra.c (tree_sra): Ditto.
9534 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9535 (execute_mudflap_function_decls): Ditto.
9536 * tree-ssa-copy.c (do_copy_prop): Ditto.
9537 (do_store_copy_prop): Ditto.
9538 * ipa-prop.h (ipcp_driver): Ditto.
9539 * cfglayout.c (insn_locators_initialize): Ditto.
9540 * tree-ssa-forwprop.c
9541 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9542 * cfglayout.h (insn_locators_initialize): Ditto.
9543 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9544 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9545 (execute_late_warn_uninitialized): Ditto.
9546 * rtl.h (cleanup_barriers): Ditto.
9547 (split_all_insns_noflow): Ditto.
9548 (purge_line_number_notes): Ditto.
9549 (unshare_all_rtl): Ditto.
9550 (remove_unnecessary_notes): Ditto.
9551 (recompute_reg_usage): Ditto.
9552 (variable_tracking_main): Ditto.
9553 * integrate.c (emit_initial_value_sets): Ditto.
9554 * integrate.h (emit_initial_value_sets): Ditto.
9555 * tree-optimize.c (execute_free_datastructures): Ditto
9556 (execute_free_cfg_annotations): Ditto.
9557 (execute_fixup_cfg): Ditto.
9558 (execute_cleanup_cfg_pre_ipa): Ditto.
9559 (execute_cleanup_cfg_post_optimizing): Ditto.
9560 (execute_init_datastructures): Ditto.
9561 * tree-object-size.c (compute_object_sizes): Ditto.
9562 * combine.c (rest_of_handle_combine): Ditto.
9563 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9564 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9565 (rest_of_handle_reorder_blocks): Ditto.
9566 (rest_of_handle_partition_blocks): Ditto.
9567 * var-tracking.c (variable_tracking_main): Ditto.
9568 * tree-profile.c (tree_profiling): Ditto.
9569 * tree-vect-generic.c (expand_vector_operations): Ditto.
9570 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9571 * sched-rgn.c (rest_of_handle_sched): Ditto.
9572 (rest_of_handle_sched2): Ditto.
9573 * basic-block.h (free_bb_insn): Ditto.
9574 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9575 * tree-cfg.c (execute_build_cfg): Ditto.
9576 (remove_useless_stmts): Ditto.
9577 (split_critical_edges): Ditto.
9578 (execute_warn_function_return): Ditto.
9579 (execute_warn_function_noreturn): Ditto.
9580 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9581 * cfgrtl.c (free_bb_for_insn): Ditto.
9582 * passes.c (execute_one_pass): Run additional
9583 todos returned by execute function.
9584 * tree-pass.h (struct tree_opt_pass): Make execute
9587 2006-03-02 Richard Guenther <rguenther@suse.de>
9589 * tree-ssa-alias.c (find_used_portions): Consider taking
9590 the address as making the variable not write-only.
9592 2006-03-02 Nick Clifton <nickc@redhat.com>
9594 * config.gcc (default_use_cxa_atexit): Extend the description of
9595 this configure variable. Set its default value to "yes" for
9596 Linux, NetBSD and ELF targets on the assumption that they will
9597 use C libraries with the __cxa_atexit function.
9599 2006-03-02 Ben Elliston <bje@au.ibm.com>
9601 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9602 parameter as unused to suppress a build warning.
9604 2006-03-02 Ben Elliston <bje@au.ibm.com>
9606 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9609 2006-03-01 Roger Sayle <roger@eyesopen.com>
9612 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9613 declared name, the weak reference name, and the typeof name.
9614 (__gthrw): Avoid expanding the declared name suffix.
9615 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9617 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9619 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9621 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9622 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9623 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9624 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9625 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9626 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9627 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9628 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9629 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9630 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9631 (DW_END_default, DW_END_big, DW_END_little): New.
9632 (DW_END_lo_user, DW_END_hi_user): Define.
9633 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9634 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9635 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9638 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9640 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9642 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9644 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9646 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9648 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9649 to 'symbol_mem_tag'.
9651 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9654 2006-03-01 Roger Sayle <roger@eyesopen.com>
9656 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9658 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9661 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9662 MACHO_DYNAMIC_NO_PIC_P.
9663 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9665 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9668 * config/darwin-protos.h (darwin_asm_output_anchor):
9670 * config/darwin-sections.def (cstring_section):
9671 Add SECTION_MERGE to the flags.
9672 (literal4_section): Likewise.
9673 (literal8_section): Likewise.
9674 (objc_selector_refs_section): Likewise.
9675 (objc_cls_refs_section): Likewise.
9676 * config/darwin.c (darwin_asm_output_anchor): New
9678 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9680 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9682 Fix PR tree-optimization/26443
9683 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9684 to todo and PROP_tmt_usage to properties_destroyed.
9685 * tree-ssa-ccp.c (pass_ccp): Ditto.
9686 (pass_store_ccp): Ditto.
9687 * tree-ssa-dom.c (pass_dominator): Ditto.
9689 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9691 * tree-ssa-operands.c: Cleanup whitespace.
9692 (get_asm_expr_operands): Move before first invocation.
9693 (get_indirect_ref_operands): Likewise.
9694 (get_tmr_operands): Likewise.
9695 (get_call_expr_operands): Likewise.
9696 (append_def): Likewise.
9697 (append_use): Likewise.
9698 (append_v_may_def): Likewise.
9699 (append_v_must_def): Likewise.
9700 (add_call_clobber_ops): Likewise.
9701 (add_call_read_ops): Likewise.
9702 (add_stmt_operand): Likewise.
9703 (add_virtual_operand): Likewise.
9704 (build_ssa_operands): Likewise.
9706 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9711 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9712 with a call expr to ...
9713 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9715 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9717 * tree-vrp.c (extract_range_from_assert): Remove special
9718 handling for types with super-types.
9720 2006-03-01 Ben Elliston <bje@au.ibm.com>
9722 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9723 and powerpc64-*-linux* configurations.
9724 * config/t-dfprules: New file.
9726 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9727 Compile dfp-bit.c from the source directory using -DWIDTH and
9728 $DFP_CFLAGS to control the compilation of that file, rather than
9729 generating width-specific versions in the build directory.
9730 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9731 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9733 2006-02-28 Zack Weinberg <zackw@panix.com>
9735 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9738 2006-02-28 Eric Christopher <echristo@apple.com>
9740 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9741 Set up IN_LIBGCC definition of TARGET_64BIT.
9742 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9744 2006-02-28 Roger Sayle <roger@eyesopen.com>
9747 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9748 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9749 cases via the construction of "expr != 0".
9751 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9753 * alias.c (alias_invariant, alias_invariant_size): Remove.
9754 (record_base_value): Remove.
9755 (memrefs_conflict_p): Don't look at alias_invariant.
9756 (end_alias_analysis): Don't free it.
9757 * alias.h (record_base_value): Remove prototype.
9759 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9760 Adam Nemet <anemet@caviumnetworks.com>
9762 * rtl.h (truncated_to_mode): Declare it.
9763 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9764 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9765 (RTL_HOOKS_INITIALIZER): Include it.
9766 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9767 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9768 reg_truncated_to_mode.
9769 * rtlanal.c (truncated_to_mode): Define it.
9770 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9772 2006-02-28 Jeff Law <law@redhat.com>
9774 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9775 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9776 the range allowed by TYPE_PRECISION.
9778 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9780 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9782 PR tree-optimization/26419
9783 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9786 2006-02-27 Zack Weinberg <zackw@panix.com>
9788 * doc/md.texi: Fix typo in previous change.
9790 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9794 2006-02-27 Zack Weinberg <zackw@panix.com>
9796 * rtl.def (define_constraint, define_register_constraint)
9797 (define_memory_constraint, define_address_constraint): New MD forms.
9798 * gensupport.c (process_rtx): Put define_constraint etc on the
9800 * genpreds.c (process_define_predicate): Adjust comment. Validate
9801 the name, and call validate_exp to validate the expression.
9802 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9803 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9804 all callers changed.
9805 (validate_exp, needs_variable, struct constraint_data)
9806 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9807 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9808 (const_dbl_constraints, constraint_max_namelen)
9809 (have_register_constraints, have_memory_constraints)
9810 (have_address_constraints, have_address_constraints)
9811 (have_extra_constraints, have_const_int_constraints)
9812 (have_const_dbl_constraints, mangle, add_constraint)
9813 (process_define_constraint, process_define_register_constraint)
9814 (write_enum_constraint_num, write_lookup_constraint)
9815 (write_insn_constraint_len, write_regclass_for_constraint)
9816 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9817 (write_insn_extra_memory_constraint)
9818 (write_insn_extra_address_constraint)
9819 (write_satisfies_constraint_fns): New.
9820 (write_tm_preds_h): If we have new-style constraint definitions,
9821 prototype the functions generated from them, and define the
9822 old constraint interface (still used by generic code) in terms of
9824 (write_insn_preds_c): If we have new-style constraint definitions,
9825 generate all relevant functions from those definitions.
9826 (main): Handle define_constraint etc.
9827 * genoutput.c (struct constraint_data, indep_constraints)
9828 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9829 (mdep_constraint_len): New data structures and functions, defined
9830 #ifdef USE_MD_CONSTRAINTS.
9831 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9832 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9833 use new logic to validate operand constraints against constraint
9835 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9837 * defaults.h: If none of the old-style constraint macros are
9838 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9839 old-style macros; and poison REG_CLASS_FROM_LETTER,
9840 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9842 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9843 * doc/md.texi: Document new constraint-definition mechanism and the
9844 C interface it provides. Remove references to old mechanism
9845 elsewhere in the document.
9846 (Machine Constraints): Use pathnames relative to gcc directory,
9847 i.e. config/ARCH/FILE. Change i386 section to refer to
9848 config/i386/predicates.md; update that section to match docstrings.
9849 * doc/tm.texi: Move all documentation of the old constraint-
9850 definition macros to their own section, clearly mark as obsolete.
9852 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9853 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9855 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9856 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9857 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9859 (splits and peepholes): Use satisfies_constraint_*.
9860 * config/i386/i386.c (memory_address_length)
9861 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9863 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9865 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9866 scalar operation to be put back into the loop.
9868 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9871 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9872 (extract_cie_info): Handle S flag in augmentation string.
9873 (execute_cfa_program): If context->signal_frame, execute also
9874 fs->pc == context->ra instructions.
9875 (uw_frame_state_for): If context->signal_frame, don't subtract one
9876 from context->ra to find FDE.
9877 (uw_update_context_1): Set context->signal_frame to
9879 (_Unwind_GetIPInfo): New function.
9880 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9881 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9883 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9884 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9885 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9886 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9887 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9888 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9889 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9890 x86_64_fallback_frame_state): Set fs->signal_frame.
9891 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9892 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9893 (frob_update_context): Likewise. Workaround missing S flag in
9894 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9895 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9896 Remove the psw_addr + 1 hack.
9898 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9900 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9901 with aggregates here.
9902 (find_func_aliases): Remove code for &<aggregate> from here.
9904 2006-02-26 Roger Sayle <roger@eyesopen.com>
9906 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9907 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9908 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9911 2006-02-26 Roger Sayle <roger@eyesopen.com>
9914 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9916 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9918 * opts.c (decode_options): Do not handle flag_strength_reduce.
9919 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9920 and OPT_fstrength_reduce.
9921 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9922 flag_prefetch_loop_arrays for being nonzero.
9923 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9925 (fprefetch-loop-arrays-rtl): Removed.
9926 (flag_prefetch_loop_arrays): Do not specify the value.
9928 * doc/passes.texi: Update documentation of loop optimizer
9930 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9931 -frerun-loop-opt): Remove.
9933 2006-02-26 Richard Guenther <rguenther@suse.de>
9935 PR tree-optimization/26421
9936 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9937 in function calls that are ADDR_EXPRs as using the whole structure.
9939 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9941 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9942 * tree-pass.h (pass_loop_optimize): Remove.
9943 * passes.c (pass_loop_optimize): Never run it.
9944 * toplev.c (backend_init): Don't call init_loop.
9945 * opts.c (flag_loop_optimize_set): Remove.
9946 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9947 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9948 the old RTL loop optimizer when profiling enabled.
9949 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9950 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9951 pre-headers for the sake of the old RTL loop optimizer.
9952 * Makefile.in: Remove all references to loop.o.
9954 * doc/invoke.texi: Remove all references to -floop-optimize
9955 and -frerun-loop-opt.
9957 2006-02-26 Zack Weinberg <zackw@panix.com>
9959 * doc/md.texi (Machine Constraints): Refer to all files with paths
9960 relative to gcc directory (i.e. config/CPU/file). Add missing
9961 @table @code ... @end table to M32C subsection.
9963 2006-02-26 Roger Sayle <roger@eyesopen.com>
9965 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9967 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9969 2006-02-26 Roger Sayle <roger@eyesopen.com>
9970 James A. Morrison <phython@gcc.gnu.org>
9973 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9974 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9975 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9976 signedness of the shift operation.
9978 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9980 PR tree-optimization/26359
9981 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9983 2006-02-25 Roger Sayle <roger@eyesopen.com>
9985 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9986 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9987 as X == 0, and some symmetry related transformations.
9988 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9990 2006-02-25 Roger Sayle <roger@eyesopen.com>
9993 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9994 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9995 symmetry related transformations. Fold (X^C1) == C2 as
9998 2006-02-25 Juergen Weigert <jw@suse.de>
9999 Richard Guenther <rguenther@suse.de>
10001 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10003 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10005 * combine.c (gen_lowpart_or_truncate): Call
10006 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10008 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10010 * doc/invoke.texi: Move -fopenmp description to "Options for
10012 Remove reference to -lgomp.
10014 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10016 * doc/install.texi: Require GNU tar version 1.14.
10018 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10020 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10021 * doc/invoke.texi (C++ Dialect Options): Document
10022 -fno-use-cxa-get-exception-ptr.
10023 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10024 * configure: Regenerate.
10025 * c.opt (fuse-cxa-get-exception-ptr): New.
10026 * c-opts.c (c_common_handle_option): Handle
10027 OPT_fuse_cxa_get_exception_ptr.
10028 * c-common.c (flag_use_cxa_atexit): Update documentation.
10029 (flag_use_cxa_get_exception_ptr): New.
10030 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10031 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10033 (C_COMMON_OVERRIDE_OPTIONS): New.
10035 2006-02-24 Roger Sayle <roger@eyesopen.com>
10037 PR middle-end/24952
10038 * combine.c (try_combine): Explicitly check whether GET_CODE is
10039 a SET or a CLOBBER, instead on checking that it isn't a USE.
10041 2006-02-24 Roger Sayle <roger@eyesopen.com>
10043 * fold-const.c (fold_comparison): New subroutine of fold_binary
10044 containing transformations common to both the equality and
10045 ordering relational operators, factored out of fold_binary.
10046 (fold_binary): Separate out the equality operators (EQ_EXPR
10047 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10048 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10049 transformations common to both.
10050 (fold_div_compare): Fix latent bugs in the previously unreachable
10051 LT_EXPR and GE_EXPR cases.
10053 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10055 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10056 decl libname for clog to __clog on AIX.
10058 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10060 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10063 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10064 output traceback table for thunks. Localise rs6000_stack_info call.
10066 2006-02-23 Roger Sayle <roger@eyesopen.com>
10067 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10069 * gthr-posix.h (__gthrw): Fix typo in comment.
10071 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10073 * doc/cpp.texi (Character sets): Document that we do support
10074 input files to be in any character set.
10076 2006-02-23 Jeff Law <law@redhat.com>
10078 * tree.h (PHI_ARG_NONZERO): Remove.
10079 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10080 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10081 node to the new node.
10083 PR tree-optimization/26425
10084 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10085 min/max, then assume its varying.
10087 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10089 PR rtl-optimization/26316
10090 * rtlanal.c (enum may_trap_p_flags): New.
10091 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10092 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10093 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10094 (may_trap_after_code_motion_p): New function.
10095 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10096 (find_invariant_insn): Use may_trap_after_code_motion_p.
10097 * rtl.h (may_trap_after_code_motion_p): Declare.
10099 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10101 * emit-rtl.c (immed_double_const): Cleanup.
10103 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10105 Fix PR tree-optimization/26376
10106 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10109 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10111 PR middle-end/26412
10112 * gimplify.c (omp_add_variable): Guard variable size decl test with
10113 DECL_SIZE (decl) check.
10115 2006-02-23 Richard Guenther <rguenther@suse.de>
10117 PR middle-end/26439
10118 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10119 like aggregate types.
10121 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10123 * configure.ac: Add --with{,out}-long-double-128 configure option.
10124 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10125 * configure: Rebuilt.
10126 * config.in: Rebuilt.
10127 * doc/install.texi (Options specification): Document
10128 --with-long-double-128.
10130 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10131 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10132 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10133 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10135 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10137 * config/s390/s390.c (override_options): Handle
10138 TARGET_DEFAULT_LONG_DOUBLE_128.
10140 * config/alpha/alpha.c (override_options): Handle
10141 TARGET_DEFAULT_LONG_DOUBLE_128.
10143 * config/sparc/sparc.c (sparc_override_options): Handle
10144 TARGET_DEFAULT_LONG_DOUBLE_128.
10146 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10148 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10149 (real-install-headers-tar, real-install-headers-cpio)
10150 (real-install-headers-cp): New targets.
10152 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10154 * tree.h (variable_section): Delete.
10155 * varasm.c (variable_section): Delete.
10157 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10159 * install.texi: Add notes on install.texi2html.
10160 (Building in parallel): Do not use footnotes.
10162 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10165 * doc/install.texi (Configuration): Document --disable-libgomp.
10167 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10169 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10171 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10173 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10174 (vec_extractv2df_0_sse): New.
10176 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10178 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10179 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10180 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10181 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10182 to the result of the expression.
10183 (def_cfa_1): Adjust.
10184 (frame_pointer_cfa_offset): Rename to...
10185 (frame_pointer_fb_offset): ... this. Adjust all uses.
10186 (convert_cfa_to_loc_list): Rename to...
10187 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10188 Pass it on to build_cfa_loc.
10189 (compute_frame_pointer_to_cfa_displacement): Rename to...
10190 (compute_frame_pointer_to_fb_displacement): ... this. New
10191 offset parameter. Use it in computation.
10192 (gen_subprogram_die): Compute cfa_fb_offset with the new
10193 macro, and use it to compute the fb loc list and the
10196 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10198 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10199 replaced with register_operand.
10200 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10201 non-DREG is expensive.
10202 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10203 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10206 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10208 * doc/install.texi2html: Use set -e.
10210 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10212 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10213 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10214 * doc/invoke.texi (-fshared-data): Delete.
10215 * common.opt (fshared-data): Delete.
10216 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10217 (assemble_static_space): Remove #if 0 code.
10218 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10219 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10220 * config/cris/cris.h: Remove FIXME.
10222 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10224 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10227 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10229 PR middle-end/26379
10230 * combine.c (simplify_shift_const_1): Disable nested shifts
10231 optimization for vector shifts.
10233 2006-02-20 Roger Sayle <roger@eyesopen.com>
10235 PR tree-optimization/26361
10236 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10237 of unsigned integer types.
10239 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10241 * tree-chrec.c (eq_evolutions_p): New.
10242 * tree-chrec.h (eq_evolutions_p): Declared.
10243 * tree-data-ref.c: Fix formatting.
10244 (datadep_stats, dependence_stats): New.
10246 (print_direction_vector): New.
10247 (dump_data_dependence_relation): Use print_direction_vector.
10248 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10249 (compute_subscript_distance): Static.
10250 (initialize_data_dependence_relation): Static. Get the number
10251 of loops surrounding the references from the callers, and initialize
10252 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10253 base_object_differ_p analyzers.
10254 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10255 compute_overlap_steps_for_affine_1_2,
10256 analyze_subscript_affine_affine): Count the classified dependences.
10257 Print a message when a test failed.
10258 (can_use_analyze_subscript_affine_affine): New.
10259 (analyze_siv_subscript): Compute the data dependences on symbolic
10260 scevs that verify can_use_analyze_subscript_affine_affine.
10261 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10262 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10263 Handle symbolic scevs.
10264 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10266 (subscript_dependence_tester): Moved...
10267 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10268 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10269 DDR_SIZE_VECT instead of getting it in parameter.
10270 (subscript_dependence_tester): ... here. Take as a parameter
10271 loop_nest_depth. Call build_classic_dist_vector and
10272 build_classic_dir_vector.
10273 (compute_affine_dependence): Update subscript_dependence_tester
10274 parameters. Update datadep_stats counters. Call
10275 compute_subscript_distance.
10276 (compute_self_dependence): Save the dist and dir vectors. Call
10277 compute_subscript_distance.
10278 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10279 (compute_all_dependences): Reorder parameters as they were before
10280 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10281 compute_subscript_distance. Update the use of
10282 compute_affine_dependence and initialize_data_dependence_relation.
10283 (find_data_references_in_loop): Handle COMPONENT_REF.
10284 (compute_data_dependences_for_loop): Initialize dependence_stats.
10285 Don't call build_classic_dist_vector and build_classic_dir_vector.
10286 Update the parameters of initialize_data_dependence_relation and
10287 compute_all_dependences. Print the statistics from datadep_stats.
10288 (analyze_all_data_dependences): Static. Not used until the pass for
10289 checking the data dependences is contributed.
10290 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10291 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10292 (initialize_data_dependence_relation, compute_affine_dependence,
10293 analyze_all_data_dependences, compute_subscript_distance): Removed.
10294 (print_direction_vector): New.
10295 * lambda.h (gcd): ... here.
10296 (lambda_vector_gcd): Moved here from gcd_vector.
10297 * lambda-code.c (gcd, gcd_vector): Removed.
10298 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10299 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10301 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10303 * ipa-type-escape.c: Tidy some comments and white space.
10304 * tree-ssa-operands.c: Likewise.
10306 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10309 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10310 (dump_decl_name): Do not walk the decl tree chains.
10311 * tree-pass.h (TDF_CHAIN): Remove.
10313 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10315 * Makefile.in (C): Remove
10317 (.PHONY): Remove C and PROTO
10319 2006-02-20 Roger Sayle <roger@eyesopen.com>
10321 PR middle-end/26236
10322 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10323 deprecated CHAR_TYPE tree code.
10325 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10327 * configure.ac (target_list): Add install-info, dvi, html.
10328 * configure: Regenerate.
10330 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10331 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10332 treelang/Make-lang.in: Do not use double-colon rules.
10334 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10336 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10337 (TMT_USED_ALONE): New macro.
10338 * tree-pass.h (PROP_tmt_usage): New property.
10339 (TODO_update_tmt_usage): New todo.
10340 * tree-ssa-alias.c (updating_used_alone): New variable.
10341 (recalculate_used_alone): New function.
10342 (compute_may_aliases): Set updating_used_alone, call
10343 recalculate_used_alone.
10344 * tree-sra.c (pass_sra): Note that this pass destroys
10345 PROP_tmt_usage, and add TODO_update_tmt_usage.
10346 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10347 * tree-flow.h (updating_used_alone): Prototype.
10348 (recalculate_used_alone): Ditto.
10349 * passes.c (execute_todo): Add code to set updating_used_alone,
10350 and call recalculate.
10351 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10352 for clobber if used alone, and add assert to verify used_alone
10355 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10357 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10358 for non tls symbols added.
10359 (legitimize_address): Do nothing for PLUS expressions if one of the
10360 addends is a tls symbol reference.
10362 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10366 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10368 * Makefile.in (BOOTSTRAPPING): New.
10369 (quickstrap): New definition if BOOTSTRAPPING=yes.
10371 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10372 * configure.ac: Substitute all_selected_languages with the languages
10373 that were configured. For all the other variables except
10374 lang_specs_files, include all the languages in the tree.
10375 * configure: Regenerate.
10377 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10378 if there is one. Run the commands to run fixincludes in the same
10381 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10382 * doc/install.texi: Document exact conventions for searching target tools.
10383 Document --with-build-time-tools. Document toplevel bootstrap. Document
10384 something more about building an Ada cross-compiler. Don't list GNU Make
10385 requirements which affect all platforms.
10387 2006-02-19 Roger Sayle <roger@eyesopen.com>
10389 PR middle-end/19543
10390 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10391 only equivalent if the have both the same mode and precision.
10393 2006-02-20 Ben Elliston <bje@au.ibm.com>
10395 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10397 2006-02-19 Roger Sayle <roger@eyesopen.com>
10398 Steven Bosscher <stevenb.gcc@gmail.com>
10400 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10401 constant pool references to identify stack mode constants.
10402 * rtlanal.c (constant_pool_constant_p): New predicate to check
10403 whether operand is a floating point constant in the pool.
10404 * rtl.h (constant_pool_constant_p): Prototype here.
10405 * loop.c (scan_loop): Avoid hoisting constants from the constant
10406 pool on STACK_REGS targets.
10407 (load_mems): Likewise.
10408 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10409 loads into x87 registers expensive in terms of register pressure.
10411 2006-02-19 Roger Sayle <roger@eyesopen.com>
10413 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10414 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10416 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10418 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10419 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10421 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10423 * doc/invoke.texi: Document -fipa-pta.
10424 * common.opt: Add ipa-pta option.
10425 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10426 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10427 (do_ds_constraint): Ditto.
10428 (get_constraint_for): Only add to referenced_vars if
10429 referenced_vars exists.
10430 (insert_into_field_list): Rewrite to do this unsorted.
10431 (insert_into_field_list_sorted): Rename old insert_into_field_list
10433 (create_function_info_for): Use insert_into_field_list_sorted.
10434 (create_variable_info_for): Rewrite so it uses unsorted version,
10435 since the field list is sorted.
10436 (intra_create_variable_infos): Only add to referenced_vars if
10437 referenced_vars exists.
10438 (ipa_pta_execute): Init heapvars, and delete when done.
10439 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10441 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10443 * doc/install.texi: Add missing `@samp'.
10445 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10447 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10450 2006-02-18 Mark Wielaard <mark@klomp.org>
10452 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10453 who added new 4.1 features, bug fixes and integration support.
10455 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10458 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10459 MEM for ABI_V4 pic.
10461 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10463 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10464 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10465 (copy_insn_1): Likewise. Don't copy each field individually.
10467 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10469 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10470 * rtl.c (rtx_size): Rename variable to...
10471 (rtx_code_size): ...this.
10472 (rtx_size): New function.
10473 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10474 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10476 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10477 * rtl.h (rtx_code_size): New variable.
10478 (rtx_size): Change from a variable to a function.
10479 (RTX_SIZE): Rename to...
10480 (RTX_CODE_SIZE): ...this.
10483 PR tree-optimization/17106
10484 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10485 (Anchored Addresses): New section.
10486 * doc/invoke.texi (-fsection-anchors): Document.
10487 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10488 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10489 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10490 * hooks.c (hook_bool_mode_rtx_false): New function.
10491 * hooks.h (hook_bool_mode_rtx_false): Declare.
10492 * gengtype.c (create_optional_field): New function.
10493 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10494 SYMBOL_REF_IN_BLOCK_P is true.
10495 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10496 (min_anchor_offset, max_anchor_offset): Likewise.
10497 (use_anchors_for_symbol_p): New hook.
10498 * toplev.c (compile_file): Call output_object_blocks.
10499 (target_supports_section_anchors_p): New function.
10500 (process_options): Check that -fsection-anchors is only used on
10501 targets that support it and when -funit-at-a-time is in effect.
10502 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10503 if the decl doesn't have one.
10504 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10505 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10506 of force_const_mem through use_anchored_address.
10507 (expand_expr_constant): New function.
10508 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10509 calling expand_expr for INDIRECT_REF.
10510 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10511 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10512 * expr.h (use_anchored_address): Declare.
10513 * loop-unroll.c: Don't declare rtx vectors here.
10514 * explow.c: Include output.h.
10515 (validize_mem): Call use_anchored_address.
10516 (use_anchored_address): New function.
10517 * common.opt (-fsection-anchors): New switch.
10518 * varasm.c (object_block_htab, anchor_labelno): New variables.
10519 (hash_section, object_block_entry_eq, object_block_entry_hash)
10520 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10521 (use_blocks_for_decl_p, change_symbol_section): New functions.
10522 (get_variable_section): New function, split out from assemble_variable.
10523 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10524 use_blocks_for_decl_p say so. Use change_symbol_section if the
10525 symbol has already been created.
10526 (assemble_variable_contents): New function, split out from...
10527 (assemble_variable): ...here. Don't output any code for
10528 block symbols; just pass them to place_block_symbol.
10529 Use get_variable_section and assemble_variable_contents.
10530 (get_constant_alignment, get_constant_section, get_constant_size): New
10531 functions, split from output_constant_def_contents.
10532 (build_constant_desc): Create a block symbol if use_object_blocks_p
10533 says so. Or into SYMBOL_REF_FLAGS.
10534 (assemble_constant_contents): New function, split from...
10535 (output_constant_def_contents): ...here. Don't output any code
10536 for block symbols; just pass them to place_section_symbol.
10537 Use get_constant_section and get_constant_alignment.
10538 (force_const_mem): Create a block symbol if use_object_blocks_p and
10539 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10540 (output_constant_pool_1): Add an explicit alignment argument.
10541 Don't switch sections here.
10542 (output_constant_pool): Adjust call to output_constant_pool_1.
10543 Switch sections here instead. Don't output anything for block symbols;
10544 just pass them to place_block_symbol.
10545 (init_varasm_once): Initialize object_block_htab.
10546 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10547 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10548 (place_block_symbol, get_section_anchor, output_object_block)
10549 (output_object_block_htab, output_object_blocks): New functions.
10550 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10551 (TARGET_ASM_OUT): Include it.
10552 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10553 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10554 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10555 (TARGET_INITIALIZER): Include them.
10556 * rtl.c (rtl_check_failed_block_symbol): New function.
10557 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10558 (block_symbol, object_block): New structures.
10559 (rtx_def): Add a block_symbol field to the union.
10560 (BLOCK_SYMBOL_CHECK): New macro.
10561 (rtl_check_failed_block_symbol): Declare.
10562 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10563 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10564 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10565 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10566 * output.h (output_section_symbols): Declare.
10567 (object_block): Name structure.
10568 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10569 (default_use_anchors_for_symbol_p): Declare.
10570 * Makefile.in (RTL_BASE_H): Add vec.h.
10571 (explow.o): Depend on output.h.
10572 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10573 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10574 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10575 (rs6000_use_blocks_for_constant_p): New function.
10577 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10579 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10581 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10584 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10587 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10589 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10593 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10595 PR middle-end/26334
10596 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10597 instead of DECL_REGISTER.
10599 2006-02-18 Olivier Hainque <hainque@adacore.com>
10602 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10604 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10607 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10608 * opth-gen.awk: Handle Var and InverseMask together.
10609 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10610 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10611 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10612 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10614 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10615 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10616 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10617 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10618 LINUX_DYNAMIC_LINKER): Define.
10619 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10620 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10622 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10623 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10624 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10625 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10626 (TARGET_C99_FUNCTIONS): Don't define.
10627 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10628 GLIBC_DYNAMIC_LINKER.
10629 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10630 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10631 GLIBC_DYNAMIC_LINKER64): Define.
10632 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10633 LINUX_DYNAMIC_LINKER64.
10634 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10635 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10636 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10637 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10638 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10639 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10640 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10641 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10642 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10643 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10644 and LINUX_DYNAMIC_LINKER32.
10645 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10646 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10647 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10648 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10649 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10651 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10652 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10653 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10654 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10655 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10656 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10657 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10658 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10659 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10660 LINUX_DYNAMIC_LINKER): Define.
10661 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10662 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10663 GLIBC_DYNAMIC_LINKER64): Define.
10664 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10665 LINUX_DYNAMIC_LINKER64.
10666 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10667 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10668 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10669 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10670 LINUX_DYNAMIC_LINKER): Define.
10671 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10672 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10673 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10674 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10675 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10676 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10677 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10678 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10679 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10680 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10681 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10682 * doc/invoke.texi (-muclibc): Remove caveat about supported
10685 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10687 * doc/cpp.texi (__TIMESTAMP__): Document.
10689 2006-02-17 Roger Sayle <roger@eyesopen.com>
10691 PR middle-end/25600
10692 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10693 C is one less than the width of X (and related transformations).
10694 * simplify-rtx.c (simplify_unary_operation_1): Transform
10695 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10696 depending on STORE_FLAG_VALUE, were C is one less then the
10699 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10701 Fix PR tree-optimization/26341
10702 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10703 about NAME_MEMORY_TAG's.
10705 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10708 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10709 with hardware float support, and software float support. Add fcpy
10710 alternative to hardware patterns. Add alternatives to copy between
10711 general and floating-point registers to the 32-bit pattern.
10712 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10713 secondary reload to load a QI or HI mode constant into a floating
10715 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10716 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10718 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10721 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10723 (load_macho_picbase_di): Likewise.
10725 2006-02-16 Jeff Law <law@redhat.com>
10727 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10728 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10729 (ssa_name_nonzero_p): Likewise.
10730 (get_value_range): Return NULL if VRP is not running.
10731 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10732 VRP routines do not discover a range.
10733 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10734 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10735 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10736 (tree_expr_nonnegative_p): Similarly.
10737 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10738 (restore_nonzero_vars_to_original_value): Remove.
10739 (unsafe_associative_fp_binop): Remove.
10740 (tree_ssa_dominator_optimize): Remove initialization and
10741 finalization of nonzero_vars and nonzero_vars_stack.
10742 (dom_opt_initialize_block): No longer push marker on
10743 nonzero_vars_stack.
10744 (dom_opt_finalize_block): No longer call
10745 restore_nonzero_vars_to_original_value.
10746 (record_equivalences_from_phis): No longer look for
10747 nonzero PHI arguments.
10748 (cprop_into_successor_phis): No longer propagate nonzero
10749 property into PHI arguments. Lose unused argument. Caller
10751 (record_equivalences_from_stmt): No longer record nonzero
10752 values for SSA_NAMEs.
10753 (lookup_avail_expr): No longer use nonzero_vars.
10755 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10756 for sizetype when sizetype is unsigned.
10758 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10760 PR rtl-optimization/25603
10761 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10762 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10763 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10764 with new meaning of SETS.
10766 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10771 * config/linux.opt: New file.
10772 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10773 LINUX_DYNAMIC_LINKER): Define.
10774 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10775 * config.gcc (*-*-linux*): Define extra_options.
10776 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10777 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10778 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10779 GLIBC_DYNAMIC_LINKER.
10780 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10781 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10782 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10783 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10784 * doc/invoke.texi (GNU/Linux Options): New section.
10786 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10788 * config/sparc/sparc.md (setjmp): Rewrite.
10789 (setjmp_32): Delete.
10790 (setjmp_64): Likewise.
10792 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10794 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10797 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10799 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10802 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10804 PR rtl-optimization/26296
10805 * Makefile.in (loop-invariant.c): Add except.h dependency.
10806 * loop-invariant.c: Include except.h.
10807 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10809 2005-02-16 Paul Brook <paul@codesourcery.com>
10811 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10814 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10816 PR rtl-optimization/25636
10817 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10818 when deciding whether an insn is an initializing insn.
10820 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10822 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10823 (tree_code_size): Ditto.
10824 * tree.h (struct tree_memory_tag): Remove parent_var.
10825 (struct tree_struct_field_tag): New.
10828 (union tree_node): Add sft member.
10829 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10831 (create_sft): Add size and offset argument, set SFT_OFFSET and
10833 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10834 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10835 * tree-flow-inline.h (get_subvar_at): Update for
10836 SFT_OFFSET/SFT_SIZE.
10837 (var_can_have_subvars): Ditto.
10838 (overlap_subvar): Ditto.
10839 * print-tree.c (print_node): Print out interesting things for
10841 * tree-flow.h (struct subvar): Remove offset and size members.
10842 * tree-ssa-operands.c (get_expr_operands): Update for
10843 get_indirect_ref_operands changes.
10844 (get_indirect_ref_operands): Call add_virtual_operand instead of
10845 add_stmt_operand. Only recurse on base var if requested.
10846 (access_can_touch_variable): New function.
10847 (add_stmt_operand): Split virtual operand handling into ...
10848 (add_virtual_operand): Here. Add offset, size, and for_clobber
10849 arguments. Prune alias sets.
10850 (add_call_clobber_ops): Call add_virtual_operand.
10852 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10854 PR middle-end/26300
10855 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10857 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10858 than TREE_CODE as index into omp_clause_num_ops array.
10860 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10862 PR rtl-optimization/26184
10863 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10865 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10866 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10867 must_precede, must_follow and tobe_scheduled.
10870 * opts.c (common_handle_option): Free new_option pointer.
10871 * df-core.c (df_analyze): Free postorder pointer.
10873 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10875 * Makefile.in: Fix the examples about the use of stamps
10877 2006-02-15 Michael Matz <matz@suse.de>
10879 PR middle-end/22275
10881 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10882 influenced by maximum_field_alignment or DECL_PACKED.
10883 (update_alignment_for_field): Ditto.
10884 (place_field): Ditto.
10885 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10888 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10890 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10891 (debug_flow_info): Pass it.
10892 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10893 * bb-reorder.c (reorder_basic_blocks): Likewise.
10894 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10895 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10896 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10897 * gcse.c (gcse_main, bypass_jumps): Likewise.
10898 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10899 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10900 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10901 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10902 * rtl.h (dump_flow_info): Adjust prototype.
10903 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10904 * var-tracking.c (variable_tracking_main): Likewise.
10905 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10906 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10909 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10911 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10914 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10916 PR tree-optimization/26209
10917 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10918 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10920 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10922 2006-02-14 Roger Sayle <roger@eyesopen.com>
10924 PR middle-end/23670
10925 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10926 (X,Y) and the corresponding symmetry related transformations.
10927 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10928 (X,Y) and its symmetry related transformations.
10930 2006-02-14 Roger Sayle <roger@eyesopen.com>
10932 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10935 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10937 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10939 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10942 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10943 support COMDAT group.
10944 * configure: Regenerate.
10946 2006-02-14 Roger Sayle <roger@eyesopen.com>
10948 PR middle-end/26279
10949 PR middle-end/26280
10950 PR middle-end/26283
10951 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10953 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10955 Fix PR tree-optimization/26260
10957 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10959 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10960 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10961 * tree-ssa-structalias.c (create_variable_info_for): Use
10962 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10964 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10966 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10968 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10969 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10970 of the ending condition.
10971 * tree-ssa-loop-manip.c: Include params.h.
10972 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10973 tree_unroll_loop): New functions.
10974 * tree-pass.h (pass_loop_prefetch): Declare.
10975 * loop.c (rest_of_handle_loop_optimize): Test for
10976 -fprefetch-loop-arrays-rtl.
10977 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10978 * timevar.def (TV_TREE_PREFETCH): New timevar.
10979 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10980 pass_loop_prefetch): New.
10981 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10982 (cleanup_tree_cfg_loop): Call scev_reset.
10983 * common.opt (fprefetch-loop-arrays-rtl): Add.
10984 * tree-ssa-loop-prefetch.c: New file.
10985 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10986 (new_temp_expr_table): Initialize expr_vars.
10987 (free_temp_expr_table): Cleanup expr_vars.
10988 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10989 expressions from being merged into one.
10990 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10991 (struct tree_niter_desc): Add control, bound and cmp fields.
10992 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10994 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10995 (tree-cfgcleanup.o): Add SCEV_H dependency.
10996 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10997 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10999 2006-02-14 Richard Guenther <rguenther@suse.de>
11001 PR tree-optimization/26258
11002 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11003 in PHI argument processing.
11005 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11007 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11008 new expression in the requested machine mode.
11010 2006-02-13 Roger Sayle <roger@eyesopen.com>
11012 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11013 directly, instead let do_compare_rtx_and_jump handle this for us.
11014 * expr.c (expand_expr_real_1): Likewise.
11015 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11016 before do_jump_by_parts_greater.
11017 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11018 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11020 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11022 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11024 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11026 PR rtl-optimization/26235
11027 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11028 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11031 2006-02-13 Jeff Law <law@redhat.com>
11033 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11036 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11038 PR middle-end/26092
11039 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11040 twice if decl is a builtin. When trying again, call get_callee_fndecl
11041 first to verify it is still a builtin.
11043 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11045 * dwarf2out.c (base_type_die): Don't add AT_name here.
11046 (subrange_type_die): Don't add AT_name here.
11047 (modified_type_die): Rearrange code flow. Do add AT_name here.
11049 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11051 PR rtl-optimization/26247
11052 PR rtl-optimization/26248
11053 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11055 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11057 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11058 * config/fixtfdi.c: Likewise.
11059 * config/fixunstfdi.c: Likewise.
11060 * config/floatditf.c: Likewise.
11062 2006-02-13 Roger Sayle <roger@eyesopen.com>
11064 PR middle-end/24427
11065 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11066 into (X,C2) if C1 is a subset of the bits of C2. Transform
11067 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11069 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11071 2006-02-13 Josh Conner <jconner@apple.com>
11074 * varasm.c (function_section): Check for section name before
11075 calling select_section on targets that define
11076 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11077 unlikely_text_section instead of hot_function_section if
11078 first_function_block_is_cold.
11080 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11082 PR middle-end/25335
11083 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11085 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11087 PR rtl-optimization/26222
11088 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11089 after tree->rtl expansion.
11090 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11091 before passing it to emit_move_insn.
11093 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11095 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11097 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11098 Clarify documentation.
11099 * c-common.h (warn_write_strings): Remove.
11100 * c-common.c (warn_write_strings): Likewise.
11101 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11104 2006-02-12 Roger Sayle <roger@eyesopen.com>
11106 PR middle-end/25724
11107 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11108 (do_jump_parts_zero_rtx): New function renamed from
11109 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11110 (do_jump_parts_equality_rtx): New function split out from
11111 do_jump_parts_equality. Old implementation renamed as above.
11112 Call do_jump_parts_zero_rtx if either operand is zero.
11113 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11114 do all of the heavy lifting.
11115 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11116 calling either do_jump_by_parts_greater_rtx or
11117 do_jump_by_parts_equality_rtx.
11118 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11119 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11120 moved to do_compare_rtx_and_jump, call it directly.
11121 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11122 mode argument. Call do_compare_rtx_and_jump.
11123 (emit_case_nodes): Update calls to do_jump_if_equal.
11125 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11127 PR rtl-optimization/26225
11128 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11130 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11132 PR rtl-optimization/26232
11133 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11135 2006-02-11 Jason Merrill <jason@redhat.com>
11138 * tree-inline.c (declare_return_variable): Just don't use the
11139 modify target if it's a gimple complex reg and the return slot
11142 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11144 * doc/contrib.texi: Update my entry.
11146 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11148 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11150 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11152 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11155 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11157 * doc/invoke.texi (-floop-optimize2): Removed.
11158 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11159 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11160 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11161 * common.opt (floop-optimize2): Removed.
11162 (fmove-loop-invariants): Enabled by default.
11164 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11166 * tree-if-conv.c (combine_blocks): Free the result of
11167 get_loop_exit_edges.
11169 2006-02-10 Jeff Law <law@redhat.com>
11171 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11173 PR tree-optimization/26213
11174 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11175 loop trying to follow SSA_NAME_VALUE chains.
11177 2006-02-10 Richard Guenther <rguenther@suse.de>
11179 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11180 deal with structures that end in implicitly variable sized arrays.
11182 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11184 PR rtl-optimization/24762
11185 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11188 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11190 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11191 (struct ivopts_data): Add regs_used field.
11192 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11193 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11194 instead of loop_data->regs_used;
11195 (free_loop_data): Do not free aux fields for loops.
11196 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11197 and tree_ssa_iv_optimize_finalize.
11199 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11201 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11203 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11206 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11207 computing the effective result type.
11209 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11211 PR inline-asm/16194
11212 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11213 (tree_overlaps_hard_reg_set): Declare.
11214 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11215 type and signature to match function type expected by walk_tree.
11216 (tree_overlaps_hard_reg_set): New function.
11217 (decl_conflicts_with_clobbers_p): Rename to:
11218 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11219 Use tree_overlaps_hard_reg_set. Changed caller.
11220 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11221 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11222 * cris.c (cris_md_asm_clobbers): Likewise.
11224 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11226 * reload1.c (emit_input_reload_insns): Delete code that tries to
11227 inherit using find_equiv_reg.
11229 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11231 * c-common.h (flag_const_strings): Don't declare.
11232 * c-common.c (flag_const_strings): Remove.
11233 * c.opt (fconst_strings): Remove.
11234 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11235 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11236 (c_common_init_options): Don't set flag_const_strings.
11237 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11239 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11241 * arm.md (tlobits_cbranch): New pattern.
11242 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11243 testing a single bit.
11245 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11248 * tree-ssa-pre.c (create_component_ref_by_pieces):
11249 Handle RETURN_DECL like VAR_DECL.
11251 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11253 PR middle-end/26134
11254 * fold-const.c (fold_indirect_ref_1): Fold
11255 "*(foo *)&complexfoo" to "__real__ complexfoo"
11256 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11258 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11260 * tree-flow-inline.h (var_can_have_subvars):
11261 Volatile variables should not have subvariables.
11263 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11266 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11267 multiplying unsigned values.
11270 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11272 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11274 2006-02-08 Jason Merrill <jason@redhat.com>
11277 * tree.def: Elaborate on difference from MODIFY_EXPR.
11278 * doc/c-tree.texi (INIT_EXPR): Likewise.
11279 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11280 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11281 (gimplify_target_expr): Likewise.
11282 (gimplify_cond_expr): Remove target handling.
11283 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11284 (gimplify_expr): Clobber it here.
11285 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11286 Do return slot optimization if we have an INIT_EXPR.
11289 * tree-inline.c (declare_return_variable): Also clear
11290 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11293 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11295 PR middle-end/22439
11296 * gimplify.c (gimplify_one_sizepos): Fix typo.
11298 2006-02-08 Jeff Law <law@redhat.com>
11300 PR tree-optimization/21417
11301 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11302 across a backedge if the control statement at the end of the
11303 block is data dependent on other statements in the same block.
11304 (record_temporary_equivalences_from_stmts): Remove over-conservative
11305 test for threading across backedges.
11307 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11308 control statement, handle all three special cases in the same
11309 manner as they all have the same desired solution. No longer
11310 special case edge flag updating when the post dominator is
11313 2006-02-08 Roger Sayle <roger@eyesopen.com>
11315 * tree.def (CHAR_TYPE): Remove.
11316 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11317 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11318 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11319 (gen_string_type_die): Delete unreachable function.
11321 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11322 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11323 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11324 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11325 * builtins.c (type_to_class): Likewise.
11326 * fold-const.c (fold_convert, build_range_check,
11327 merge_ranges): Likewise.
11328 * expr.c (count_type_elements): Likewise.
11329 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11330 * stor-layout.c (layout_type): Likewise.
11331 * ipa-type-escape.c (type_to_consider): Likewise.
11332 * gimplify.c (omp_firstprivatize_type_sizes,
11333 gimplify_type_sizes): Likewise.
11334 * explow.c (promote_mode): Likewise.
11335 * tree-sra.c (is_sra_scalar_type): Likewise.
11336 * varasm.c (output_constant): Likewise.
11337 * tree-inline.c (remap_type_1): Likewise.
11338 * convert.c (convert_to_pointer, convert_to_real,
11339 convert_to_integer, convert_to_complex): Likewise.
11341 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11343 * df-scan.c (df_def_record_1): A set destination may
11344 be a parallel regardless of mode.
11346 2006-02-08 Roger Sayle <roger@eyesopen.com>
11349 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11350 * config/mips/_tilib.c: Remove.
11351 * config/fixtfdi.c: New libgcc source file.
11352 * config/fixunstfdi.c: New source file.
11353 * config/floatditf.c: New source file.
11354 * config/floatunditf.c: New souce file.
11355 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11356 files above instead of config/mips/_tilib.c.
11357 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11359 2006-02-08 Jeff Law <law@redhat.com>
11361 PR tree-optimization/26169
11362 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11365 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11367 * df.h (DF_REG_SIZE): Return the length of the initialized
11370 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11372 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11373 __muldf3): Return a correctly signed zero.
11375 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11377 * passes.c (register_one_dump_file): Accept the current properties
11378 instead of pass number. Adjust call to dump_register. Remove
11380 (register_dump_files): Now a wrapper around...
11381 (register_dump_files_1): ... this one. Do not modify the pass
11383 (next_pass_1): Cosmetic fix.
11384 (execute_todo): Keep second parameter only. Use curr_properties
11385 instead of fetching it from the pass structure. Check and set
11387 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11388 instead of fetching it from the pass structure. Fix calls to
11389 execute_todo. Update curr_properties and initialize .vcg RTL dump
11390 after running the pass. Reset last_verified.
11391 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11393 (FIRST_AUTO_NUMBERED_DUMP): New.
11394 (dump_register): Remove "num" parameter, assign it within the
11396 (get_dump_file_name): Modify template for dumps.
11397 * tree-dump.h (dump_register): Adjust prototype.
11398 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11399 (PROP_trees): Add PROP_gimple_lomp.
11400 (TODO_set_props): New.
11401 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11402 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11403 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11405 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11407 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11408 (sparc64-*-linux*): Likewise.
11409 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11410 * config/sparc/t-linux: New file.
11411 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11412 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11413 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11414 -m32 -mlong-double-128.
11416 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11417 * config/alpha/t-linux: New file.
11418 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11420 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11421 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11422 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11423 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11424 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11425 (CPP_ARCH32_SPEC): Remove.
11427 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11429 PR tree-optimization/26145
11430 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11433 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11436 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11437 >= 240000 when generating code for SOM runtime.
11438 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11439 to $$dyncall when generating code for SOM runtime..
11441 2006-02-07 Dirk Mueller <dmueller@suse.com>
11444 * doc/invoke.texi (-Wsequence-point): Update documentation
11445 that -Wsequence-point is implemented for C++ as well.
11447 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11449 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11450 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11451 (LIB_SPEC): Likewise.
11452 * doc/invoke.texi (SPARC options): Document -pthread.
11454 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11456 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11459 2006-02-07 Roger Sayle <roger@eyesopen.com>
11461 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11462 Correct comment describing BOOLEAN_TYPE.
11464 2006-02-07 Dirk Mueller <dmueller@suse.com>
11466 * c.opt: C++ frontend supports -Wdiv-by-zero.
11467 * c-opts.c (c_common_handle_option): Remove dead case.
11469 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11471 * configure.ac (TLS assembler check): Do not enable TLS by
11472 default on SPARC/Solaris before version 10.
11473 * configure: Regenerate.
11475 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11477 * doc/invoke.texi (xl-compat): Document conversion and support
11480 2006-02-07 Jeff Law <law@redhat.com>
11482 * tree-vrp.c (find_conditional_asserts): Update comments.
11483 (simplify_stmt_for_jump_threading): New.
11484 (identify_jump_threads, finalize_jump_threads): New.
11485 (vrp_finalize): Call identify_jump_threads.
11486 (execute_vrp): Call finalize_jump_threads.
11487 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11488 (vrp_element, vrp_data, vrp_element_p): Remove.
11489 (vrp_hash_elt, vrp_variables_stack): Remove.
11490 (vrp_hash, vrp_eq, record_range): Remove.
11491 (simplify_cond_and_lookup_avail_expr): Remove.
11492 (extract_range_from_cond): Remove.
11493 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11494 (simplify_stmt_for_jump_threading): New.
11495 (dom_thread_across_edge): New wrapper.
11496 (tree_ssa_dominator_optimize): No longer initialize or
11497 finalize any of the VRP datastructures. Remove iteration
11498 step and simplify as a result of removal of iteration step.
11499 (pass_dominator): Perform a cfg cleanup after DOM.
11500 (dom_opt_finalize_block): Use the new common routines
11501 for threading jumps. Simplify stack management slightly.
11502 No longer need to unwind VRP state.
11503 (record_equivalences_from_incoming_edge): No longer record
11505 (eliminate_redundant_computations): No longer call
11506 simplify_cond_and_lookup_avail_expr.
11507 * tree-flow.h (potentially_threadable_block): Prototype.
11508 (thread_across_edge): Likewise.
11509 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11510 (tree-ssa-threadedge.o): Add dependencies.
11511 * tree-ssa-threadedge.c: New file.
11512 * passes.c (init_optimization_passes): Merge PHIs before
11513 calling VRP. Run VRP again late in the SSA optimization pipeline.
11515 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11517 * df-core.c (df_set_blocks): Do not dereference function pointers.
11518 (df_finish1): Likewise.
11519 (df_hybrid_search_forward): Likewise.
11520 (df_hybrid_search_backward): Likewise.
11521 (df_iterative_dataflow): Likewise.
11522 (df_analyze_problem): Likewise.
11523 (df_compact_blocks): Likewise.
11524 (df_dump): Likewise.
11525 * df-scan.c (df_rescan_blocks): Likewise.
11526 (df_record_entry_block_defs): Likewise.
11528 * genconditions.c (write_conditions): Guard the definition of
11529 'insn_conditions' with the check on GCC version.
11530 (write_writer): Guard the traversal 'insn_conditions' with
11531 the check on GCC version.
11533 2006-02-07 Richard Guenther <rguenther@suse.de>
11537 2006-01-30 Richard Guenther <rguenther@suse.de>
11539 * gimplify.c (gimplify_target_expr): Handle easy cases
11540 without creating a temporary.
11542 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11544 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11545 use of float in probability computations. Use edge probabilities
11546 in place of statically computed probabilities.
11547 (min_spec_prob): New static variable.
11548 (schedule_insns): Initialize it.
11549 (GET_SRC_PROB): Removed.
11550 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11552 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11555 * config/ia64/unwind-ia64.c: Revert last change.
11556 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11557 (INCOMING_FRAME_SP_OFFSET): Define.
11559 2006-02-06 Roger Sayle <roger@eyesopen.com>
11561 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11563 2006-02-07 Ben Elliston <bje@au.ibm.com>
11565 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11566 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11567 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11568 (ix86_return_in_memory): Handle TDmode.
11569 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11570 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11572 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11574 * reorg.c (dbr_schedule): Use dump_file instead of file.
11576 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11579 * config/ia64/predicates.md (extr_len_operand): New predicate.
11580 * config/ia64/ia64.md (extv): Tighten constraints.
11582 (*tbit_and_2): Ditto.
11583 (*tbit_and_3): Ditto.
11584 (*tbit_or_2): Ditto.
11585 (*tbit_or_3): Ditto.
11586 (*bit_zero): Ditto.
11589 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11592 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11594 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11596 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11597 loop_optimizer_init and loop_optimizer_finalize
11598 * tree-ssa-sink.c (execute_sink_code): Ditto.
11599 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11600 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11601 tree_ssa_loop_done): Ditto.
11602 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11603 * sched-ebb.c: Include output.h.
11604 (schedule_ebbs): Do not use dump argument.
11605 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11606 * loop.c (loop_dump_stream): Removed.
11607 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11609 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11610 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11611 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11612 loop_iterations, strength_reduce, record_biv, record_giv,
11613 final_giv_value, check_final_value, check_ext_dependent_givs,
11614 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11615 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11616 dump_file instead of loop_dump_stream.
11617 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11618 argument dump_file.
11619 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11621 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11622 * haifa-sched.c: Include output.h
11623 (schedule_insns, sched_init): Do not use dump argument.
11624 * mode-switching.c (optimize_mode_switching): Ditto.
11625 * modulo-sched.c (stats_file): Removed.
11626 (print_node_sched_params): Do not call argument dump_file.
11627 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11628 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11630 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11632 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11633 rtl_loop_init, rtl_loop_done): Ditto.
11634 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11635 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11637 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11638 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11639 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11640 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11641 * emit-rtl.c (renumber_insns): Ditto.
11642 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11643 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11644 * regclass.c (regclass): Ditto.
11645 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11646 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11647 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11648 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11650 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11651 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11653 * gcse.c (gcse_file, debug_stderr): Removed.
11654 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11655 rest_of_handle_gcse): Do not use dump argument.
11656 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11657 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11658 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11659 compute_code_hoist_vbeinout, compute_code_hoist_data,
11660 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11661 compute_store_table, build_store_vectors, insert_insn_start_bb,
11662 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11663 store_motion): Use dump_file instead of gcse_file.
11664 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11665 * profile.c (profile_dump_file): Removed.
11666 (branch_prob): Use dump_file instead of profile_dump_file.
11667 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11669 * tree-ssa-copy.c (dump_copy_of): Ditto.
11670 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11671 dump file to life_analysis.
11672 * bt-load.c (branch_target_load_optimize): Ditto.
11673 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11675 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11676 regclass, dbr_schedule): Declaration changed.
11677 * sched-int.h (sched_init): Declaration changed.
11678 * tree-profile.c (tree_profile_dump_file): Removed.
11679 (tree_profile_hooks): Removed profile_dump_file hook.
11680 * rtl-profile (rtl_profile_dump_file): Removed.
11681 (rtl_profile_hooks): emoved profile_dump_file hook.
11682 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11684 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11685 * tree-cfg.c (build_tree_cfg): Ditto.
11686 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11687 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11688 Declaration changed.
11689 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11690 life_analysis and schedule_insns.
11691 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11693 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11695 * config/mips/mips.c (mips_reorg): Ditto.
11696 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11699 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11701 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11702 (s390_mangle_fundamental_type): New.
11703 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11706 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11707 (alpha_mangle_fundamental_type): New.
11708 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11711 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11713 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11715 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11716 (sparc_mangle_fundamental_type): New.
11718 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11720 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11721 (s390x-*-linux*): Likewise.
11722 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11723 * config/s390/t-linux: New file.
11725 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11727 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11728 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11730 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11732 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11733 (ANTIC_SAFE_LOADS): New macro.
11734 (find_or_generate_expression): Add prototype.
11735 (set_contains_value): Allow null set for sake of not always having
11736 to allocate ANTIC_SAFE_LOADS.
11737 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11738 Allow COMPONENT_REF too.
11739 (valid_in_set): Allow COMPONENT_REF.
11740 Check ANTIC_SAFE_LOADS too.
11741 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11742 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11744 (can_PRE_operation): Add COMPONENT_REF.
11745 (create_component_ref_by_pieces): New function.
11746 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11747 (insert_aux): Move AGGREGATE_TYPE_P check here.
11748 (compute_avail): Set bb local stmt uids.
11749 (pass_pre): Use TODO_update_ssa_only_virtuals.
11751 2006-02-06 Ben Elliston <bje@au.ibm.com>
11753 * configure.ac: Unconditionally disable decimal float by default.
11754 * configure: Regenerate.
11756 2006-02-06 Ben Elliston <bje@au.ibm.com>
11758 * read-rtl.c (read_name): Terminate reading on EOF.
11760 2006-02-06 Ben Elliston <bje@au.ibm.com>
11762 * dfp.c (decimal_real_arithmetic): Change second argument type
11763 from int to enum tree_code. Do not always return true, but now
11764 return result of any call to decimal_do helper functions.
11765 * dfp.h (decimal_real_arithmetic): Update prototype.
11767 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11769 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11771 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11774 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11777 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11779 * tree-vrp.c (cfg_loops): Removed.
11780 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11781 Use current_loops instead of cfg_loops. Pass flags to
11782 loop_optimizer_init.
11783 * cfgloopmanip.c (fix_loop_structure): Update only available
11785 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11786 loop_optimizer_init.
11787 * modulo-sched.c (build_loops_structure): Removed.
11788 (sms_schedule): Use loop_optimizer_init.
11789 * loop-init.c (loop_optimizer_init): Use flags to determine
11790 which properties of loops to prepare.
11791 (rtl_loop_init): Pass flags to loop_optimizer_init.
11792 * tree-ssa-sink.c (execute_sink_code): Ditto.
11793 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11794 * tree-ssa-pre.c (init_pre): Ditto.
11795 * cfgloop.h (LOOPS_NORMAL): New.
11796 (loop_optimizer_init): Declaration changed.
11798 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11800 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11801 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11803 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11805 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11807 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11808 * pa/t-pa64: Delete quadlib.c rule.
11809 * pa/x-ada: Revert last change.
11810 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11812 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11814 PR rtl-optimization/26087
11815 * rtlanal.c (canonicalize_condition): Do not cross basic block
11818 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11821 * config/ia64/ia64.c: Include debug.h.
11822 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11823 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11824 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11825 (process_epilogue, process_set, process_for_unwind_directive):
11826 Output unwind info only if requested. Add CFA info if requested.
11827 Add new arguments as needed. Adjust callers.
11828 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11830 (DWARF2_FRAME_INFO): Define to zero.
11831 * config/ia64/unwind-ia64.c: Remove code that compensated for
11832 the CFA offset error fixed above.
11833 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11834 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11835 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11836 -funwind-tables and -fexceptions to enable frame info.
11837 (dwarf2out_frame_init): Define initial CFA even if
11838 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11839 DWARF2_UNWIND_INFO is nonzero, not just defined.
11840 (dwarf2out_frame_finish): Output non-EH call frame info only
11841 if DWARF2_FRAME_INFO is nonzero.
11842 (convert_cfa_to_loc_list,
11843 compute_frame_pointer_to_cfa_displacement): Define even if
11844 unwind info is not supported.
11845 (gen_subprogram_die): Use the above unconditionally. Remove
11846 legacy alternate code.
11847 * toplev.c (compile_file): Compile in call to
11848 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11849 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11851 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11852 Jakub Jelinek <jakub@redhat.com>
11854 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11855 IBM extended float format long double as "g" on powerpc*-linux.
11857 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11860 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11861 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11863 2006-02-03 Jason Merrill <jason@redhat.com>
11866 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11868 PR middle-end/25977
11869 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11870 on the return slot if it's an NRV.
11872 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11874 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11875 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11876 rewrite_use): Do not handle USE_OUTER.
11877 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11878 add_iv_outer_candidates, may_replace_final_value,
11879 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11880 (find_interesting_uses_op): Functionality of
11881 find_interesting_uses_outer_or_nonlin moved here.
11882 (find_interesting_uses_outside): Use find_interesting_uses_op.
11884 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11887 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11889 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11890 Ulrich Weigand <uweigand@de.ibm.com>
11893 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11894 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11895 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11896 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11898 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11899 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11900 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11901 Define secondary reloads for TFmode moves.
11902 (constant_modes): Add TFmode.
11903 (NR_C_MODES): Set to 8.
11904 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11906 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11907 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11908 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11909 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11910 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11911 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11912 (FPR mode macro): Add TFmode.
11913 (DSF mode macro): New.
11914 (<de>, <dee> mode attributes): Removed.
11915 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11916 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11917 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11918 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11919 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11920 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11921 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11922 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11923 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11924 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11925 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11926 "*negabs<mode>2", "sqrt<mode>2"):
11927 Changed <de> to <xde>. R constraint replaced by <Rf>.
11928 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11930 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11931 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11932 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11934 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11935 "extenddftf2", "extendsftf2"): New expanders.
11936 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11937 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11938 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11939 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11941 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11942 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11943 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11944 __floatditf): Add a GCC_4.1.0 symbol version tag.
11945 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11948 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11951 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11952 Use targetm.binds_local_p instead of TREE_PUBLIC.
11954 2006-02-02 Roger Sayle <roger@eyesopen.com>
11956 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11957 on INTEGER_TYPEs to indicate that it denotes a character type.
11958 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11959 signed_char_type_node, unsigned_char_type_node and char_type_node.
11960 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11961 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11962 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11964 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11965 Daniel Berlin <dberlin@dberlin.org>
11967 * tree-tailcall.c (arg_needs_copy_p): New function.
11968 (eliminate_tail_call): Use arg_needs_copy_p.
11969 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11970 (add_virtual_phis): New function.
11972 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11974 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11975 #ignore instead of #scratch for %g7 .register directive.
11977 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11979 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11982 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11984 * flow.c (calculate_global_regs_live): Assert that there aren't any
11987 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11989 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11990 what its name says.
11991 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11992 bsi_after_labels iterator.
11993 * tree-if-conv.c (find_phi_replacement_condition,
11994 replace_phi_with_cond_modify_expr): Likewise.
11995 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11996 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11998 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12000 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12002 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12005 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12006 array after growing it.
12008 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12010 PR middle-end/24901
12011 * fold-const.c (fold_checksum_tree): Change type of buf.
12013 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12015 * reload.c (push_secondary_reload): Initialize t_icode.
12017 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12019 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12020 -msoft-float -mlong-double-128 only issue a warning, but don't
12021 swich to DFmode long double.
12023 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12025 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12026 has a constant equivalent, iterate over equivalents for arg0,
12027 calling simplify_relational_operation and if there's a result
12028 cheaper than X, apply fold_rtx and return the result.
12030 2006-02-01 Jan Hubicka <jh@suse.cz>
12032 * opts.c (no_unit_at_a_time_default): New global variable.
12033 (decode_options): Use it.
12034 * opts.h (no_unit_at_a_time_default): Declare.
12036 2006-02-01 Paul Brook <paul@codesourcery.com>
12038 * function.c (assign_parm_setup_reg): Use function argument promotion
12040 * expr.c (expand_expr_real_1): Use function argument promotion rules
12043 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12045 * gcc.c (process_command): Change j to 'unsigned int'.
12047 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12049 PR middle-end/26001
12050 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12051 Use the corrected index for the character
12052 out of the string constant.
12054 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12056 * mode-switching.c (optimize_mode_switching): Fix size
12057 allocated for bb_info[n_entities].
12059 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12061 * gcc.c (main): Correct type that is allocated for
12062 explicit_link_files.
12064 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12066 * config/s390/s390.c (init_alignment_context): Set
12067 ALIAS_SET_MEMORY_BARRIER on the MEM.
12068 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12070 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12072 PR middle-end/25933
12073 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12075 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12078 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12080 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12081 * regrename.c: Ditto.
12082 * tree-ssa-loop-im.c: Ditto.
12083 * tree-dump.c: Ditto.
12084 * tree-complex.c: Ditto.
12085 * genrecog.c: Ditto.
12086 * tree-ssa-threadupdate.c: Ditto.
12088 * java/class.c: Ditto.
12089 * java/jcf-parse.c: Ditto.
12090 * java/resource.c: Ditto.
12091 * java/except.c: Ditto.
12092 * java/jvspec.c: Ditto.
12093 * java/jcf-write.c: Ditto.
12094 * java/jcf-path.c: Ditto.
12095 * java/gjavah.c: Ditto.
12096 * java/zextract.c: Ditto.
12097 * java/jcf-io.c: Ditto.
12098 * java/jcf.h: Ditto.
12099 * java/buffer.c: Ditto.
12100 * java/lang.c: Ditto.
12101 * java/parse-scan.y: Ditto.
12102 * java/lex.c: Ditto.
12103 * java/lex.h: Ditto.
12104 * cfgloopmanip.c: Ditto.
12105 * postreload-gcse.c: Ditto.
12106 * tree-ssa-loop-manip.c: Ditto.
12107 * postreload.c: Ditto.
12108 * tree-ssa-loop-ch.c: Ditto.
12111 * cppspec.c: Ditto.
12112 * diagnostic.c: Ditto.
12114 * genoutput.c: Ditto.
12116 * cfghooks.c: Ditto.
12117 * cfgloopanal.c: Ditto.
12118 * objc/objc-act.c: Ditto.
12120 * genextract.c: Ditto.
12121 * genautomata.c: Ditto.
12122 * pretty-print.c: Ditto.
12123 * genemit.c: Ditto.
12124 * cgraphunit.c: Ditto.
12126 * df-scan.c: Ditto.
12127 * haifa-sched.c: Ditto.
12128 * dominance.c: Ditto.
12130 * tree-ssa-loop-ivopts.c: Ditto.
12131 * df-core.c: Ditto.
12132 * mode-switching.c: Ditto.
12133 * modulo-sched.c: Ditto.
12135 * ipa-pure-const.c: Ditto.
12137 * fix-header.c: Ditto.
12139 * tree-stdarg.c: Ditto.
12140 * ipa-utils.c: Ditto.
12141 * loop-init.c: Ditto.
12142 * ipa-inline.c: Ditto.
12143 * cfganal.c: Ditto.
12145 * alloc-pool.c: Ditto.
12146 * dwarf2out.c: Ditto.
12148 * genattrtab.c: Ditto.
12149 * tree-ssa-loop-ivcanon.c: Ditto.
12150 * predict.c: Ditto.
12151 * timevar.c: Ditto.
12153 * fortran/gfortranspec.c: Ditto.
12154 * regmove.c: Ditto.
12155 * local-alloc.c: Ditto.
12156 * langhooks.c: Ditto.
12157 * function.c: Ditto.
12158 * tree-vectorizer.c: Ditto.
12160 * ipa-type-escape.c: Ditto.
12162 * tree-if-conv.c: Ditto.
12163 * profile.c: Ditto.
12165 * tree-data-ref.c: Ditto.
12166 * loop-unroll.c: Ditto.
12167 * treelang/treetree.c: Ditto.
12169 * bt-load.c: Ditto.
12170 * ggc-common.c: Ditto.
12172 * coverage.c: Ditto.
12174 * tree-cfgcleanup.c: Ditto.
12175 * tree-ssa-pre.c: Ditto.
12176 * cfgcleanup.c: Ditto.
12177 * loop-invariant.c: Ditto.
12178 * loop-iv.c: Ditto.
12179 * ipa-prop.c: Ditto.
12180 * print-tree.c: Ditto.
12181 * conflict.c: Ditto.
12182 * ggc-page.c: Ditto.
12183 * sched-deps.c: Ditto.
12184 * regclass.c: Ditto.
12185 * tree-object-size.c: Ditto.
12186 * combine.c: Ditto.
12187 * bb-reorder.c: Ditto.
12188 * resource.c: Ditto.
12189 * var-tracking.c: Ditto.
12190 * cfgloop.c: Ditto.
12191 * df-problems.c: Ditto.
12192 * reg-stack.c: Ditto.
12194 * gccspec.c: Ditto.
12195 * sched-rgn.c: Ditto.
12196 * tree-ssa-structalias.c: Ditto.
12197 * tree-ssa-reassoc.c: Ditto.
12198 * config/darwin-c.c: Ditto.
12199 * config/darwin.c: Ditto.
12200 * config/arm/arm.c: Ditto.
12202 * collect2.c: Ditto.
12203 * reload1.c: Ditto.
12205 2006-01-31 Nicolas Pitre <nico@cam.org>
12207 * arm.md (smaxsi3): Make aware of smax_m1.
12210 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12212 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12214 2006-01-31 Richard Guenther <rguenther@suse.de>
12216 * doc/invoke.texi (-msselibm): Document.
12217 * target.h (expand_library_builtin): New target hook.
12218 * builtins.c (expand_builtin): Use expand_library_builtin.
12219 (default_expand_library_builtin): New function.
12220 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12221 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12222 (link_gcc_math_spec): Declare.
12223 (static_specs): Add link_gcc_math_spec.
12224 * expr.h (default_expand_library_builtin): Declare.
12225 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12226 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12227 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12228 * config/i386/i386.opt (msselibm): New target option.
12229 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12230 (ix86_init_sse_abi_builtins): New function.
12231 (ix86_expand_library_builtin): Likewise.
12232 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12233 (override_options): Handle error conditions wrt -msselibm.
12234 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12235 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12236 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12239 2006-01-31 Richard Guenther <rguenther@suse.de>
12240 Paolo Bonzini <bonzini@gnu.org>
12242 * doc/install.texi (--disable-libgcc-math): Document.
12244 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12246 * expr.h (expand_normal): new inline function.
12247 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12248 * dojump.c: use it.
12249 * dwarf2out.c: use it.
12252 * expmed.c: use it.
12253 * except.c: use it.
12254 * config/sparc/sparc.c: use it.
12255 * config/i386/i386.c: use it.
12256 * config/rs6000/rs6000.c: use it.
12257 * config/arm/arm.c: use it.
12258 * config/mips/mips.c: use it.
12259 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12261 2006-01-30 Roger Sayle <roger@eyesopen.com>
12263 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12264 argv to the appropriate type.
12266 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12268 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12271 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12274 * config/s390/s390.c (struct machine_function): New flag
12275 decomposed_literal_pool_addresses_ok_p.
12276 (s390_reorg): Set it before final stage of literal pool transforms.
12277 (s390_decompose_address): Only accept displacements of the form
12278 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12280 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12282 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12283 the comparison routine return.
12285 2006-01-30 Michael Matz <matz@suse.de>
12287 * global.c (find_reg): Only evict for global regs.
12288 Take n_refs into account and dump more info.
12290 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12293 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12294 (pragma_trap, pragma_nosave_low_regs): Likewise.
12295 (current_function_anonymous_args): Likewise.
12296 (sh_deferred_function_attributes): New variable.
12297 (sh_deferred_function_attributes_tail): Likewise.
12298 (print_operand): For '@', look up trap_exit attribute.
12299 (calc_live_regs): Look up trapa_handler attribute. For trapa
12300 handlers, save/restore fpscr, but don't do any other
12301 interrupt-specific saves.
12302 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12303 Fix check for partially saved registers to check for SHmedia.
12304 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12305 (sh_output_function_epilogue): Don't clear any of the removed
12307 (sh_insert_attributes): Don't check pragma_interrupt.
12308 Insert deferred attributes. Check that interrupt attribute is
12309 present for other attributes that require its presence.
12310 (sh_attribute_table): Add new attributes trapa_handler and
12312 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12313 Don't check for pragma_interrupt. Don't store argument.
12314 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12315 (sh_deferred_function_attributes): Declare.
12316 (sh_deferred_function_attributes_tail): Likewise.
12317 * sh.md (sp_switch_1): Add operand. Change generator caller.
12318 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12319 (*return_i): Don't use when trap_exit attribute is in effect.
12320 (*return_trapa): New insn pattern.
12321 * sh-c.c: New file.
12322 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12323 setting c_target_objs and cxx_target_objs.
12324 * t-sh: Add rule for sh-c.o.
12326 2006-01-30 Richard Guenther <rguenther@suse.de>
12329 * gimplify.c (gimplify_target_expr): Handle easy cases
12330 without creating a temporary.
12332 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12334 * vec.h (safe_grow): Remove duplicated line.
12336 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12339 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12340 (expand_omp): ... here.
12341 (expand_omp_parallel): Only remove barriers for combined
12342 parallel+workshare constructs.
12344 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12348 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12349 * tree.c (build_qualified_type): Chain the new type to the original
12350 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12351 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12352 (build_pointer_type_for_mode): Only return unqualified types.
12353 (build_reference_type_for_mode): Likewise.
12355 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12357 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12358 * Makefile.in (CXX_COMPAT_WARN): Define.
12359 * configure: Regenerate.
12361 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12364 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12367 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12369 * toplev.c: Fix thinko.
12371 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12372 Marcin Dalecki <martin@dalecki.de>
12374 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12375 (push_srcloc): Use XNEW.
12376 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12378 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12380 * df-core.c (df_set_blocks): Deleted all variable.
12382 2006-01-28 Ian Lance Taylor <ian@airs.com>
12384 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12385 cgraph_output_pending_asms.
12387 2006-01-28 Zack Weinberg <zackw@panix.com>
12389 * c.opt: Add -W(no-)overlength-strings.
12390 * doc/invoke.texi: Document it.
12391 * c-opts.c (c_common_handle_option): -pedantic implies
12392 -Woverlength-strings, if not explicitly disabled already.
12393 (c_common_post_options): -Woverlength-strings defaults to off, and
12394 is always off for C++.
12395 * c-common.c (fix_string_type): Issue warning about strings longer
12396 than is portable only if warn_overlength_strings. Rearrange code
12397 a little for clarity.
12398 * configure.in: Check for -Wno-overlength-strings as well before
12399 enabling -pedantic in stage 1.
12400 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12401 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12403 * genconditions.c (write_header, write_one_condition)
12404 (write_conditions, write_writer): Consolidate very long strings
12405 that were broken up to fit in C89 portable limit. Don't use
12406 printf when fputs will do.
12408 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12410 * combine.c (simplify_comparison <AND>): Check
12411 TRULY_NOOP_TRUNCATION before start using a subreg.
12413 * config/mips/mips.md (*branch_zero<mode>,
12414 *branch_zero<mode>_inverted, *branch_equality<mode>,
12415 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12416 Remove mode check from comparisons.
12418 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12420 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12422 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12424 * expmed.c (const_mult_add_overflow_p): Remove.
12425 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12427 * recog.c (validate_replace_rtx_subexp): Remove.
12428 * recog.h: Remove the prototype for
12429 validate_replace_rtx_subexp.
12431 * integrate.h: Remove the prototype for
12432 copy_decl_for_inlining.
12433 * rtl.h: Remove the prototype for mark_constant_function.
12434 * tree-vectorizer.h: Remove the prototype for
12435 vect_strip_conversion.
12437 * modulo-sched.c (create_partial_schedule,
12438 free_partial_schedule, reset_partial_schedule): Make them
12441 * hooks.c (hook_bool_rtx_int_false): Remove.
12442 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12444 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12446 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12447 and -mlong-double-128 are incompatible.
12448 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12449 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12450 (TARGET_LIBGCC2_CFLAGS): Define.
12451 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12452 (TARGET_LIBGCC2_CFLAGS): Same.
12453 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12455 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12458 * c-typeck.c (build_binary_op): Perform implicit casts of
12459 operands before shortening them.
12461 * cfgloopmanip.c (split_loop_bb): Remove.
12462 * cfgloop.h: Remove the prototype for split_loop_bb.
12464 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12465 * cfgloop.h: Remove the prototype for
12466 flow_loop_outside_edge_p.
12468 * emit-rtl.c (init_virtual_regs): Make it static.
12469 * function.h: Remove the prototype for init_virtual_regs.
12471 * recog.c (peephole2_optimize): Make it static.
12472 * recog.h: Remove the prototype for peephole2_optimize.
12474 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12476 * df-scan.c (df_record_entry_block_defs): Check if
12477 INCOMING_RETURN_ADDR_RTX is defined.
12479 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12480 Kenneth Zadeck <zadeck@naturalbridge.com>
12482 PR rtl-optimization/24762
12483 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12484 * targhooks.c (hook_void_bitmap): New hook prototype.
12485 * targhoohs.h (hook_void_bitmap): Ditto.
12486 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12487 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12488 * target.h (live_on_entry): New function pointer.
12489 * df-scan.c (df_all_hard_regs): Removed.
12490 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12491 (df_scan_free_internal): Added df->entry_block_defs.
12492 (df_scan_alloc): Ditto.
12493 (df_scan_dump): Ditto.
12494 (df_uses_record): Plumbed flag field properly thru calls.
12495 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12496 This part fixes PR24762.
12497 (df_bb_refs_record): Added code to make the frame and arg
12498 pointers live in EH blocks.
12499 (df_refs_record): Added call to df_record_entry_block_defs.
12500 (df_record_entry_block_defs): New function.
12501 * df-core.c: Added comments to describe new artifical defs.
12502 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12503 (entry_block_defs): New field in struct df.
12504 (df_all_hard_regs): Deleted.
12505 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12506 * df-problems.c (df_ru_bb_local_compute_process_def):
12507 Added code to handle artifical defs in the entry to a function.
12508 (df_ru_bb_local_compute): Ditto.
12509 (df_rd_bb_local_compute_process_def): Ditto.
12510 (df_rd_bb_local_compute): Ditto.
12511 (df_lr_bb_local_compute): Ditto.
12512 (df_ur_bb_local_compute): Ditto.
12513 (df_urec_bb_local_compute): Ditto.
12514 (df_chain_create_bb): Ditto.
12515 (df_ur_local_finalize): Removed entry.
12516 (df_urec_init): Ditto.
12517 (df_urec_local_finalize): Ditto.
12518 (df_ri_bb_compute): Added detection of last use of pseudos.
12519 * Makefile.in (df-scan.o): Updated dependencies.
12520 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12521 * config/mips/mips.c (mips_set_live_on_entry): Added.
12522 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12524 * dce.c (marked_insn_p): Added code to handle artifical defs.
12526 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12528 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12530 (_mm_cvtsi128_si64): Likewise.
12531 (_mm_cvtsd_si64): Likewise.
12532 (_mm_cvttsd_si64): Likewise.
12533 (_mm_cvtsi64_sd): Likewise.
12534 (_mm_cvtsi64_si128): Likewise.
12535 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12536 (_mm_cvtsi64_m64): Likewise.
12537 (_m_to_int64): Likewise.
12538 (_mm_cvtm64_si64): Likewise.
12539 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12540 (_mm_cvttss_si64): Likewise.
12541 (_mm_cvtsi64_ss): Likewise.
12542 (_mm_cvtss_f32): Likewise.
12544 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12546 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12547 for pragma redefine_extname.
12549 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12552 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12553 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12554 -mno-minimal-toc to previous content.
12555 (bispecs): Remove goal.
12556 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12557 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12558 compatibility aliases on powerpc-*-*gnu*.
12559 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12560 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12561 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12562 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12563 (ldblspecs): New goal.
12564 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12565 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12567 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12568 L_sf_to_tf or L_df_to_tf is defined.
12570 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12571 Alan Modra <amodra@bigpond.net.au>
12574 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12575 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12576 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12577 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12578 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12579 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12580 (rs6000_override_options): Initialize rs6000_ieeequad.
12581 Initialize TFmode format to ibm_extended_format if not
12583 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12585 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12586 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12587 (function_arg_advance): IBM long double passed in two FPRs, not
12589 (function_arg): IBM long double passed in FPRs.
12590 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12591 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12592 Only multireg GPR aligned.
12593 (rs6000_init_libfuncs): Enable IBM long double functions if not
12595 (rs6000_generate_compare): Use IBM long double compare if not
12597 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12598 (TARGET_IEEEQUAD): Define.
12599 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12600 not TARGET_IEEEQUAD.
12601 * config/rs6000/rs6000.md: Enable TFmode patterns if
12603 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12604 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12605 and -mlong-double-128 are incompatible.
12606 * doc/invoke.texi (-mabi): Collect options together. Add
12607 ibmlongdouble and ieeelongdouble.
12609 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12611 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12613 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12614 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12615 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12616 * rtl.h (rtunion_def): Remove rt_ptr.
12618 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12619 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12620 * config/i386/winnt.c (i386_pe_mark_dllexport)
12621 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12623 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12625 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12627 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12631 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12632 pthread_key_delete. From John David Anglin. gthrw-ify
12633 pthread_getunique_np only if it it's not a macro. Delete
12635 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12636 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12637 __gthread_objc_condition_signal, __gthread_key_delete): Add
12638 "__attribute__ ((__unused__))" to unused arguments.
12639 (__gthread_recursive_mutex_init_function): Add missing return.
12640 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12641 gthr-posix95.h: Use macro-based approach for name redirection
12642 on targets missing weakref.
12644 2006-01-26 Zack Weinberg <zackw@panix.com>
12646 * genconditions.c (write_header): In generated code, #ifdef out
12647 all includes and fake declarations, except includes of bconfig.h
12648 and system.h, unless GCC_VERSION >= 3001. Do not include
12649 gensupport.h in any case.
12650 (write_conditions): Generate a definition of struct c_test. Add
12651 a comment to the generated #endif.
12652 (write_one_condition): Escape backslashes in string too.
12653 (write_writer): Generated code must escape backslashes and quote
12654 marks (but not newlines) in the strings it writes.
12655 * Makefile.in (build/gencondmd.o): Update dependencies.
12657 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12660 * Makefile.in (insn-automata.o): Add header file dependencies.
12661 * genautomata.c: Add includes.
12663 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12666 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12668 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12670 * configure.ac: Expect target tools paths to be passed from the toplevel
12671 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12673 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12675 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12678 * c.opt (Wpointer-sign): Init to -1.
12679 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12680 OPT_pedantic, to 0 otherwise.
12681 * doc/invoke.texi: Update.
12683 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12685 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12686 constants provided by 80387 instructions in the destination mode.
12688 2006-01-26 Richard Guenther <rguenther@suse.de>
12689 Andrew Pinski <pinskia@physics.uc.edu>
12692 partial PR tree-opt/17064
12693 * tree-ssa-structalias.c (intra_create_variable_infos):
12694 Create heap variables for incoming parameters if
12695 flag_argument_noalias > 1.
12696 (find_what_p_points_to): Look through default defs of
12699 2006-01-26 Jeff Law <law@redhat.com>
12702 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12703 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12704 within the VR_RANGE, use the VR_RANGE as the result, not the
12706 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12707 bounds for the type.
12709 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12711 * tree-ssa-alias.c (maybe_create_global_var): Change
12712 subvar walking to an assertion that we don't have subvar'd variables.
12714 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12717 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12718 Use a new variable, inner. PARM_DECLs are always non-weak.
12720 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12722 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12723 --disable-checking.
12725 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12727 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12729 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12731 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12732 (smax_insn, smin_insn, smax_0, smin_0): New.
12734 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12737 * config/cris/cris.c (cris_order_for_addsi3): New function.
12738 * config/cris/cris-protos.h: Prototype it.
12739 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12740 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12741 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12742 (split for "op.S1 [rx=rx+i],ry (swapped)")
12743 (split for "op(s|u).S1 [rx=rx+i],ry")
12744 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12745 Apply cris_order_for_addsi3 when generating addsi3 insns.
12747 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12749 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12750 (TREE_BLOCK): Add call to EXPR_CHECK.
12752 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12755 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12756 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12757 (dump_omp_clauses): ... here.
12758 (dump_generic_node): Handle OMP_CLAUSE.
12759 * tree.c (omp_clause_num_ops): New.
12760 (omp_clause_code_name): New.
12761 (tree_code_size): Handle OMP_CLAUSE.
12762 (tree_size): Likewise.
12763 (make_node): Document handling of OMP_CLAUSE.
12764 (tree_node_structure): Handle OMP_CLAUSE.
12765 (omp_clause_check_failed): New.
12766 (omp_clause_range_check_failed): New.
12767 (omp_clause_operand_check_failed): New.
12768 (build_omp_clause): New.
12769 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12770 * tree.h (enum omp_clause_code): Declare.
12771 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12772 (OMP_CLAUSE_RANGE_CHECK): Define.
12773 (OMP_CLAUSE_ELT_CHECK): Define.
12774 (omp_clause_check_failed): Declare.
12775 (omp_clause_operand_check_failed): Declare.
12776 (omp_clause_range_check_failed): Declare.
12777 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12778 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12779 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12780 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12781 (OMP_CLAUSE_IF_EXPR): Likewise.
12782 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12783 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12784 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12785 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12786 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12787 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12788 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12789 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12790 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12791 (OMP_CLAUSE_CODE): Define.
12792 (OMP_CLAUSE_SET_CODE): Define.
12793 (OMP_CLAUSE_CODE): Define.
12794 (OMP_CLAUSE_OPERAND): Define.
12795 (struct tree_omp_clause): Declare.
12796 (union tree_node): Add field 'omp_clause'.
12797 * treestruct.def (TS_OMP_CLAUSE): Define.
12798 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12799 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12800 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12801 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12802 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12803 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12804 (OMP_CLAUSE): Define.
12805 * print-tree.c (print_node): Handle OMP_CLAUSE.
12806 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12807 * c-typeck.c: Likewise.
12808 * gimplify.c: Likewise.
12809 * c-omp.c: Likewise.
12810 * tree-nested.c: Likewise.
12811 * tree-inline.c: Likewise.
12812 * c-parser.c: Likewise.
12813 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12816 2006-01-25 Roger Sayle <roger@eyesopen.com>
12818 PR rtl-optimization/25703
12819 * combine.c (try_combine): Handle zero_extract and strict_low_part
12820 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12822 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12824 * global.c: Fix comment typos.
12826 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12829 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12830 Use output_addr_const instead of assemble_name.
12832 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12834 * Makefile.in (sched-vis.o): Update dependencies.
12835 * haifa-sched.c (sched_finish): Clear current_sched_info.
12836 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12837 (dump_flow_info): Call it.
12838 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12840 * basic-block.h (dump_bb_info): Declare.
12841 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12842 option, and apply options only for dump files whose TDF_RTL,
12843 TDF_TREE, or TDF_IPA bits match.
12844 * rtl.h: Declare new functions exported from sched-vis.c.
12845 * sched-vis.c: Enable also if scheduling is not used.
12846 (print_value): Print the mode of registers if not inside scheduling.
12847 (print_insn): Make it work outside the scheduler. Beautify the output
12849 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12851 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12853 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12854 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12855 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12856 depending on the value of CONSTANT_POOL_ADDRESS_P.
12857 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12859 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12860 rather than SYMBOL_REF_DECL.
12861 (rtx_constant_pool): Remove const_rtx_sym_htab.
12862 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12863 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12864 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12865 Remove handling of const_rtx_sym_htab.
12866 (find_pool_constant): Delete.
12867 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12868 rather than find_pool_constant.
12869 (get_pool_constant_for_function): Delete.
12870 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12871 find_pool_constant.
12872 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12873 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12874 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12875 (SYMBOL_REF_CONSTANT): New macro.
12876 (get_pool_constant_for_function): Delete.
12877 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12878 rather than SYMBOL_REF_DECL.
12879 (i386_pe_mark_dllimport): Likewise.
12880 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12881 rather than SYMBOL_REF_DECL.
12882 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12883 (machopic_indirect_call_target): Likewise.
12885 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12887 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12889 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12891 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12893 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12895 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12897 2006-01-24 David Daney <ddaney@avtrex.com>
12900 * configure.ac (enable_tls): New enable option.
12901 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12902 * configure: Regenerate.
12903 * doc/install.texi (--enable-tls): Document new option.
12904 (--disable-tls): Ditto.
12906 2006-01-24 Richard Henderson <rth@redehat.com>
12908 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12909 * alias.c (true_dependence): Respect it.
12910 (canon_true_dependence, write_dependence_p): Likewise.
12911 * builtins.c (get_builtin_sync_mem): Set it.
12913 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12915 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12918 2006-01-24 DJ Delorie <dj@redhat.com>
12920 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12921 for storing constants in single-bit bitfields.
12923 2006-01-25 Ben Elliston <bje@au.ibm.com>
12925 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12927 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12930 * tree-ssa-pre.c (phi_translate): Return NULL
12931 for AGGREGATE_TYPE's.
12933 2006-01-24 Zack Weinberg <zackw@panix.com>
12935 * genautomata.c (process_state_for_insn_equiv_partition):
12936 Use xcalloc for insn_arcs_array.
12937 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12938 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12940 2006-01-24 Richard Henderson <rth@redhat.com>
12942 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12943 update all callers.
12945 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12947 PR rtl-optimization/25890
12948 PR rtl-optimization/25905
12949 * combine.c (expand_compound_operation, expand_field_assignment):
12950 Fail if the bitfield's final position is out of bounds.
12952 2006-01-24 Ian Lance Taylor <ian@airs.com>
12954 PR middle-end/25930
12955 * cgraphunit.c (cgraph_output_in_order): Don't clear
12956 cgraph_asm_nodes until after asm strings have been output.
12958 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12960 * fix-header.c (read_scan_file): Add new parameter imultilib when
12961 calling register_include_chains.
12963 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12965 * omp-low.c: Update documentation.
12967 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12968 Daniel Berlin <dberlin@dberlin.org>
12972 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12973 return from the function.
12975 2006-01-22 Zack Weinberg <zackw@panix.com>
12977 * rtl.def (match_code): Add second argument.
12978 * genpreds.c (write_extract_subexp): New function.
12979 (write_match_code): Add path argument. Use write_extract_subexp.
12980 (write_predicate_expr): Pass path to write_match_code.
12981 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12982 not perform a mode test.
12983 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12984 a subexpression does not constrain the top-level code set.
12985 * read-rtl.c (read_rtx_variadic): New function.
12986 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12987 * doc/md.texi: Document new notation.
12988 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12989 (cmpsi_operand): ... here, using new notation.
12991 2006-01-22 Zack Weinberg <zackw@panix.com>
12993 * varray.c: Remove GENERATOR_FILE #ifdefs.
12995 2006-01-22 Zack Weinberg <zackw@panix.com>
12997 * genautomata.c (output_reserved_units_table): Emit nothing if
12998 description->query_units_num is zero. Remove extra blank line.
12999 (output_cpu_unit_reservation_p): Short circuit
13000 if description->query_units_num is zero.
13002 2006-01-22 Zack Weinberg <zackw@panix.com>
13004 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13005 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13006 nor any of the random handful of variables that used to be necessary
13007 when this program was linked with rtlanal.o. Prune set of forward
13008 function declarations.
13009 (struct attr_desc): Remove static_p field.
13010 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13011 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13012 (attr_string): Do not read the character one past the length of
13014 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13015 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13016 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13017 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13018 (make_automaton_attrs): New.
13019 (main): Do not call into genautomata. Call local gen_bypass
13020 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13021 Remove special case for insn_alts.
13022 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13023 varray.h (leftover from previous change). Prune set of forward
13024 function declarations. Remove state_alts fields from all
13025 structures. Remove state_alts_table from struct automaton.
13026 Make everything except main static. Do not maintain num_dfa_decls.
13027 Do not maintain state_alts fields of various structures.
13028 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13029 (add_arc): Remove state_alts argument. All callers updated.
13030 (output_reserved_units_table): Emit #ifdef here...
13031 (output_tables): ...not here. Don't generate state_alts tables.
13032 (expand_automata): Don't generate attributes.
13033 (write_automata): Don't generate state_alts functions.
13034 (main): New function.
13035 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13036 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13037 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13038 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13039 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13040 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13041 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13042 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13044 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13045 * genattrtab.h: Delete file.
13046 * Makefile.in (OBJS-common): Add insn-automata.o.
13047 (insn-automata.o): New rule.
13048 (simple_generated_c): Add insn-automata.c.
13049 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13050 (genprogmd): Add automata.
13051 (build/genattrtab): Needs no extra objects nor libraries.
13052 (build/genautomata): Needs build/vec.o and -lm.
13054 2006-01-22 Zack Weinberg <zackw@panix.com>
13056 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13057 (output_dfa_max_issue_rate, locked_states_num): Delete.
13058 (struct automaton): Add locked_states field.
13059 (output_dead_lock_vect): Save number of locked states in
13060 automaton->locked_states. If it is zero, don't print anything.
13061 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13062 (output_internal_dead_lock_func): Only test the dead_lock_vect
13063 for automata that have locked states.
13064 (output_statistics): Always print the number of locked states for
13065 each automaton. Calculate total number of locked states here.
13066 (write_automata): Don't call output_dfa_max_issue_rate.
13067 * genattrtab.c: Define length_unit_log as a const variable.
13068 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13069 max_insn_queue_index const.
13070 * final.c (length_unit_log): Declare const.
13071 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13073 2006-01-22 Zack Weinberg <zackw@panix.com>
13075 * genautomata.c: Include vec.h, not varray.h.
13076 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13077 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13078 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13079 VEC_* macros operating on appropriately typed vectors, or to
13080 malloced arrays when the size is known in advance. Const-ify
13081 many char* variables and function arguments. No functional changes.
13082 * Makefile.in (build/varray.o): Delete rule.
13083 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13084 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13086 2006-01-22 Zack Weinberg <zackw@panix.com>
13088 * gensupport.c: Define get_insn_name and record_insn_name here.
13089 (read_md_rtx): Call record_insn_name as appropriate.
13090 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13091 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13092 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13094 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13095 (BUILD_VARRAY): Delete.
13096 (genprognormal): Rename genprogmd. Fold in all programs from
13097 genprognoprint; also attrtab.
13098 (build/genattrtab): Just mention genautomata.o and varray.o.
13099 Reorganize a bit, add comments to make the categories clearer.
13101 2006-01-22 Zack Weinberg <zackw@panix.com>
13103 * genconditions.c (condition_table, add_condition): Delete.
13104 (write_conditions): Don't emit n_insn_conditions nor
13105 insn_elision_unavailable. Issue the gcc version #ifdef here,
13106 inside the table, with no #else clause ...
13107 (write_header): ...not here.
13108 (write_writer): New function.
13109 (main): Don't initialize condition_table. Use add_c_test.
13111 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13112 files on the command line.
13113 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13114 Return -1 if there is no entry in the table, don't abort.
13115 (add_c_test, traverse_c_tests): New functions.
13116 * gensupport.h (insn_elision_unavailable, insn_conditions)
13117 (n_insn_conditions): Delete declarations.
13118 (add_c_test, traverse_c_tests): Declare.
13119 * read-rtl.c: Include gensupport.h.
13120 (read_conditions): New function.
13121 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13122 (read_rtx_1): If we get EOF when we were looking for an initial
13123 open paren, return 0. Call read_conditions when appropriate.
13124 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13125 dummy-conditions.o. Eliminate references to insn-conditions.o,
13126 or change them to build/gencondmd.o, as appropriate. Remove
13127 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13128 from $(simple_generated_c). For all files remaining in those
13129 two lists, add insn-conditions.md to the generator command line.
13130 Give insn-constants.h/s-constants their own rules. Add rules
13131 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13132 (build/read-rtl.o): Depend on gensupport.h.
13133 (genprognormal): Include preds.
13134 (genprogearly): Rename genprognoprint; only difference is now that
13135 they don't link with $(BUILD_PRINT).
13136 * dummy-conditions.c: Delete.
13138 2006-01-22 Zack Weinberg <zackw@panix.com>
13140 * genextract.c: Don't include insn-config.h. Do include vec.h.
13141 Declare vectors of int, char, and locstr.
13142 (locstr): New typedef.
13143 (struct extraction): Make all array fields into bare pointers.
13144 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13145 (insn_code_number): Delete.
13146 (accum_extract): New struct.
13147 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13148 (gen_insn): Take insn_code_number as an argument. Use an
13149 accum_extract structure instead of loading data directly into
13150 a struct extraction, and having to know how big it might get.
13151 (walk_rtx): Operate entirely on an accum_extract structure.
13152 (print_path): Avoid unnecessary use of printf.
13153 (print_header): New function, split out of main. Distinguish
13154 more carefully between an unrecognizable insn and an insn that
13155 has the code number of a define_expand.
13156 (main): Pass insn_code_number to gen_insn. Call print_header
13157 only after parsing. Avoid unnecessary use of printf.
13158 * Makefile.in (build/vec.o): New rule.
13159 (build/genextract): Depend on build/vec.o.
13160 (build/genextract.o): Don't depend on insn-config.h.
13162 2006-01-22 Zack Weinberg <zackw@panix.com>
13164 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13165 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13166 practical. Eliminate per-generator-program link rules.
13168 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13170 PR middle-end/24437
13171 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13172 with a call expr to ...
13173 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13175 2006-01-23 Richard Guenther <rguenther@suse.de>
13177 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13178 before make_edge with conditional EDGE_TRUE_VALUE.
13180 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13181 Jan Hubicka <jh@suse.cz>
13182 Richard Guenther <rguenther@suse.de>
13184 PR rtl-optimization/25654
13185 * cfgexpand.c (aggregate_contains_union_type): New function.
13186 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13187 for structure variables that contain a union type.
13189 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13191 * gengtype.c (new_structure): Return the structure.
13192 (create_option): Add an extra "next" argument.
13193 (create_field): New function.
13194 (adjust_field_rtx_def): Use create_option and create_field.
13195 Remove a now-unnecessary call to find_structure.
13196 (adjust_field_tree_def): Likewise.
13197 (note_yacc_type): Remove an unnecessary call to find_structure.
13198 * gengtype.h (new_structure): Return the structure.
13199 (create_option): Add an extra argument.
13200 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13201 (option): Adjust calls to create_option.
13203 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13205 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13207 2006-01-22 Paul Brook <paul@codesourcery.com>
13208 Peter Barada <peter@the-baradas.com>
13210 * config/m68k/m68k.md: Add Coldfire FPU support.
13211 Define FP mode macro and associated attributes.
13212 Use it for float mode patterns.
13213 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13214 (LIBCALL_VALUE): Use m68k_libcall_value.
13215 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13216 (m68k_function_value): Ditto.
13217 (emit_move_sequence): Ditto.
13218 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13219 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13220 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13221 (MULTILIB_EXCEPTIONS): Ditto.
13222 * config/m68k/m68k.opt: Add mcfv4e.
13223 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13224 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13225 (m68k_output_function_prologue): Save ColdFire FPU registers.
13226 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13227 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13228 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13229 ColdFire FPU registers.
13230 (m68k_libcall_value, m68k_function_value): New functions.
13231 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13232 (LIBCALL_VALUE): Use m68k_libcall_value.
13233 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13234 (MASK_COLDFIRE): Add MASK_CFV4E.
13235 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13236 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13237 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13238 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13239 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13240 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13241 * doc/invoke.tex: Document -mcfv4e on m68k.
13243 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13245 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13248 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13251 * c-opts.c (c_common_handle_option): Don't include
13252 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13253 * doc/invoke.texi (C++ Dialect Options): Document that
13254 -Wnon-virtual-dtor is no longer included in -Wall.
13256 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13258 * gcov.c (print_version), gcov-dump.c (print_version),
13259 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13262 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13264 * df-scan.c (problem_SCAN): Added NULL reset function.
13265 (df_scan_reset_blocks): Added code to call reset block function
13266 (df_bb_refs_delete) Fixed comment.
13267 (df_insn_refs_delete): Made tolerant of deleting non existent info
13268 for dataflow problems that need to be reset.
13269 * df-core.c (df_set_blocks): Ditto.
13270 * df.h (struct df_problem): Added reset_fun.
13271 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13272 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13273 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13274 functions to clear out all references to def-use or use-def chains.
13276 2006-01-21 Ben Elliston <bje@au.ibm.com>
13278 * varasm.c (assemble_real): Initialise data array.
13280 2006-01-20 Paul Brook <paul@codesourcery.com>
13282 Merge from csl-arm-branch.
13283 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13284 * config/arm/arm.md (movdi): Force operands[1] to a register
13285 if we have a non-register source.
13286 (*arm_movdi, *movdf_soft_insn): Require that one of the
13287 operands be a register.
13288 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13289 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13291 2006-01-20 DJ Delorie <dj@redhat.com>
13293 * varasm.c (initializer_constant_valid_p): Allow pointers
13294 initialized from integer constants of lesser precision.
13295 (output_constant): Allow non-int-sized pointer modes to be
13296 initialized from integer constants.
13298 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13301 * cppdefault.h (struct default_include): Add multilib flag.
13302 * cppdefault.c (cpp_include_defaults): Set it.
13303 * c.opt (-imultilib): New option.
13304 * c-opts.c (imultilib): New.
13305 (c_common_handle_option): Handle -imultilib.
13306 (c_common_post_options): Likewise.
13307 * c-incpath.c (add_standard_paths, register_include_chains):
13309 * c-incpath.h (register_include_chains): Add extra parameter.
13310 * gcc.c (do_spec_1): Generate -imultilib option.
13311 (The Specs Language): Update %I description.
13312 (process_command): Update copyright notice.
13313 * doc/cppopts.texi (-imultilib): Document.
13314 * doc/invoke.texi (-imultilib): Include in option summary.
13315 (%I): Update specs documentation.
13317 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13319 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13321 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13323 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13326 2006-01-20 Richard Guenther <rguenther@suse.de>
13327 Steven Bosscher <stevenb.gcc@gmail.com>
13329 PR rtl-optimization/24626
13330 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13331 EDGE_TRUE_VALUE if in RTL mode.
13334 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13335 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13337 2006-01-20 Dirk Mueller <dmueller@suse.com>
13340 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13341 instead of a special NOP marker.
13342 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13343 NOP marker handling.
13344 * c-common.h (empty_body_warning): Add forward declaration.
13345 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13346 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13348 2006-01-20 Paul Brook <paul@codesourcery.com>
13350 * Makefile.in (lang_checks): Keep going if mkdir fails.
13352 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13354 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13355 be able to clean out basic block when not necessary.
13356 (df_scan_free): Fixed to properly delete information if df is
13357 unused before calling df_finish.
13358 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13359 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13361 (df_bb_refs_delete): New function.
13362 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13363 * df-core.c (df_set_blocks): Added code to properly clean out
13364 unused blocks if they are not part of the blocks to consider.
13365 Added additional null check.
13366 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13367 be able to clean out basic block when not necessary
13368 * df.h (df_free_bb_function): Ditto.
13369 (df_bb_refs_delete): New function.
13370 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13371 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13372 basic block parameter to be able to clean out basic block when not
13374 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13375 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13376 Fixed to properly delete information if df is unused before
13379 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13381 PR rtl-optimization/25799
13382 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13383 Corrected confluence operator to remove bits from op2 before oring
13384 with op1 rather than removing bits from op1.
13385 (df_ru_transfer_function): Corrected test on wrong bitmap which
13386 caused infinite loop. Both of these problems were introduced in
13387 the dataflow rewrite.
13389 2006-01-19 DJ Delorie <dj@redhat.com>
13391 * reload1.c (find_reload_regs): Note the details of reload
13392 failures in the dump file.
13393 (spill_failure): Likewise.
13395 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13397 * loop-iv.c: Include df.h and hashtab.h.
13398 (enum iv_grd_result): New enum.
13399 (DF_REF_IV, DF_REF_IV_SET): New macros.
13400 (struct biv_entry): New.
13401 (df, bivs): New global variables.
13402 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13403 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13405 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13406 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13407 analyzed_for_bivness_p, record_biv): New functions.
13408 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13409 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13410 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13412 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13414 (iv_number_of_iterations): Use new interface to iv analysis.
13415 * loop-unroll.c: Do not include varray.h.
13416 (analyze_iv_to_split_insn): Use new interface to iv
13418 * loop-unswitch.c (may_unswitch_on): Ditto.
13419 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13421 (df_bb_modify): Realloc tables to the new index.
13422 (df_find_use): New function.
13423 * df.h (df_find_use): Declare.
13424 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13426 * cfgloop.h (struct rtx_iv): Remove analysed field.
13427 (iv_get_reaching_def): Removed.
13428 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13429 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13430 (loop-iv.o): Add df.h and hashtab.h dependency.
13431 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13433 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13436 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13438 (__floatundisf, __floatundidf): Likewise.
13439 * libgcc2.h (IS_IBM_EXTENDED): Define.
13441 2006-01-19 DJ Delorie <dj@redhat.com>
13443 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13445 2006-01-19 Paul Brook <paul@codesourcery.com>
13447 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13448 as nothrow when unwinding tables are disabled.
13450 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13453 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13454 of bit-field" when in system header.
13456 2006-01-19 DJ Delorie <dj@redhat.com>
13458 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13459 the 16 bit shift limit of the m16c.
13461 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13464 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13465 * config/i386/i386.c (output_set_got): Output the label if we have one
13466 for the TARGET_DEEP_BRANCH_PREDICTION case.
13468 2006-01-19 Jan Hubicka <jh@suse.cz>
13469 H.J. Lu <hongjiu.lu@intel.com>
13470 Evandro Menezes <evandro.menezes@amd.com>
13472 * invoke.texi (generic): Document
13474 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13475 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13476 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13477 (x86_use_incdec, x86_pad_returns): New variables
13478 (TARGET_CPU_DEFAULT_generic): New constant
13479 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13480 (enum processor_type): Add generic32 and generic64.
13481 * i386.md (cpu attribute): Add generic32/generic64
13482 (movhi splitter): Behave sanely when both partial_reg_dependency and
13483 partial_reg_stall are set.
13484 (K8 splitters): Enable for generic as well.
13485 * predicates.md (incdec_operand): Use TARGET_INCDEC
13486 (aligned_operand): Avoid memory mismatch stalls.
13487 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13488 * ppro.md: Enable for generic32
13489 * i386.c (generic64_cost, generic32_cost): New.
13490 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13491 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13492 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13493 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13494 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13495 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13496 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13497 x86_accumulate_outgoing_args, x86_prologue_using_move,
13498 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13499 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13500 Enable for generic.
13501 (x86_use_incdec, x86_pad_returns): New.
13502 (override_options): Add generic32 and generic64, translate "generic"
13503 to generic32/generic64 and "i686" to "generic32", refuse
13504 "generic32"/"generic64" as arch target.
13505 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13506 (ix86_reorg): Honor PAD_RETURNS.
13508 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13510 * tree-pretty-print.c (dump_generic_node): Handle
13511 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13512 * cgraph.c (cgraph_expand_queue): Rename from
13513 cgraph_analyze_queue. Update all users.
13514 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13515 cgraph_expand_queue.
13516 (cgraph_expand_all_functions): Likewise.
13517 (cgraph_finalize_pending_functions): Remove. Update callers.
13519 * tree.h (OMP_DIRECTIVE_P): Define.
13520 (OMP_PARALLEL_FN): Define.
13521 (OMP_PARALLEL_DATA_ARG): Define.
13522 (OMP_SECTIONS_SECTIONS): Define.
13523 * tree-pass.h (pass_expand_omp): Declare.
13524 * omp-low.c (struct omp_region): Declare.
13525 (struct omp_context): Remove fields 'parallel_type',
13526 'parallel_start_ix' and 'parallel_start_additional_args'.
13528 (struct omp_for_data): Rename from struct expand_omp_for_data.
13529 (omp_regions): New static variable.
13530 (root_omp_region): New static variable.
13531 (find_omp_clause): Make static.
13532 (is_in_combined_parallel_ctx): Remove.
13533 (is_combined_parallel): New.
13534 (extract_omp_for_data): Move earlier in the file.
13535 (workshare_safe_to_combine_p): New.
13536 (get_ws_args_for): New.
13537 (determine_parallel_type): Move earlier in the file.
13538 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13540 (omp_copy_decl): Likewise.
13541 (create_omp_child_function): Likewise.
13542 (lookup_omp_region): New.
13543 (dump_omp_region): New.
13544 (debug_omp_region): New.
13545 (debug_all_omp_regions): New.
13546 (new_omp_region): New.
13547 (scan_omp_parallel): If parallel_nesting_level > 1, the
13548 directive is nested within another parallel directive.
13549 Set OMP_PARALLEL_FN.
13550 (scan_omp_for): Do not try to handle combined parallel+for
13552 Remove FIXME comment.
13553 (scan_omp_nested): Remove.
13554 (scan_omp_1): Do not call scan_omp_nested when
13555 parallel_nesting_level is > 1.
13556 Do not change the DECL_CONTEXT of local variables found.
13557 (lookup_decl_in_outer_ctx): New.
13558 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13559 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13560 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13561 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13562 If CTX is nested, lookup VAR in the outer context when
13563 building copy assignment.
13564 (lower_send_clauses): Rename from expand_send_clauses.
13565 If CTX is nested, lookup VAR in the outer context when
13566 building copy assignments.
13567 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13568 If CTX is nested, lookup VAR in the outer context when
13569 building copy assignments.
13570 (expand_parallel_call): Rename from build_parallel_call.
13571 Handle combined parallel+workshare cases.
13572 Re-implement to emit code into the CFG.
13574 (expand_omp_parallel): Re-implement to emit code into the CFG.
13575 Call move_sese_region_to_fn to outline the sub-graph
13576 containing the parallel region.
13577 (expand_omp_for_1): Remove.
13578 (expand_omp_for_generic): Re-implement to emit code into the
13580 (expand_omp_for_static_nochunk): Likewise.
13581 (expand_omp_for_static_chunk): Likewise.
13582 (expand_omp_for): Likewise.
13583 (expand_omp_sections): Likewise.
13584 (remove_exit_barriers): New.
13585 (expand_omp_synch): New.
13587 (build_omp_regions_1): New.
13588 (build_omp_regions): New.
13589 (execute_expand_omp): New.
13590 (gate_expand_omp): New.
13591 (pass_expand_omp): Define.
13592 (lower_omp_sections): Rename from expand_omp_sections.
13593 Set OMP_SECTIONS_SECTIONS.
13594 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13595 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13596 (lower_omp_single): Rename from expand_omp_simple.
13597 (lower_omp_master): Rename from expand_omp_master.
13598 (lower_omp_ordered): Rename from expand_omp_ordered.
13599 (lower_omp_critical): Rename from expand_omp_critical.
13600 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13601 (lower_omp_for): Re-implement.
13602 (lower_omp_parallel): Re-implement.
13603 (lower_regimplify): Rename from expand_regimplify.
13604 (lower_omp_1): Rename from expand_omp_1.
13605 If there are syntax errors in the program, replace every
13606 OpenMP directive with NOP.
13607 Call lower_omp_* instead of expand_omp_*.
13608 (lower_omp): Rename from expand_omp.
13610 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13611 * tree-gimple.h (enum omp_parallel_type): Remove.
13612 (gimple_boolify): Declare extern.
13613 (find_omp_clause, determine_parallel_type): Remove.
13615 * gimple-low.c (lower_omp_directive): New.
13616 (lower_stmt): Call it.
13617 (record_vars_into): Move from ...
13618 (record_vars): ... here.
13619 Call record_vars_into with current_function_decl.
13621 * gimplify.c (struct gimplify_ctx): Remove fields
13622 combined_pre_p and combined_ctxp. Update users.
13623 (get_formal_tmp_var): Add documentation.
13624 (gimple_boolify): Make extern.
13625 (gimplify_expr_in_ctx): Remove. Update callers.
13626 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13627 will always be a BIND_EXPR.
13628 (gimplify_expr): Handle OMP_RETURN_EXPR.
13629 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13630 (OMP_PARALLEL): Add 3 operands.
13631 (OMP_SECTIONS): Add 1 operand.
13632 (OMP_RETURN_EXPR): Define.
13634 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13635 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13636 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13637 creating a circular free list.
13638 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13640 * tree-flow.h (move_sese_region_to_fn): Declare.
13641 (record_vars_into): Declare.
13642 * tree-cfg.c (make_omp_sections_edges): New.
13643 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13644 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13645 OMP_SECTIONS and OMP_SECTION.
13646 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13647 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13648 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13649 (gather_blocks_in_sese_region): New.
13650 (struct move_stmt_d): Declare.
13651 (move_stmt_r): New.
13652 (move_block_to_fn): New.
13653 (move_sese_region_to_fn): New.
13655 * passes.c (init_optimization_passes): Schedule
13656 pass_expand_omp after pass_init_datastructures.
13658 * tree-ssa-operands.c (get_expr_operands): Handle
13659 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13660 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13662 2006-01-19 Jeff Law <law@redhat.com>
13664 * tree-vrp.c (extract_range_from_assert): Refine the result range
13665 if the variable referenced by the ASSERT_EXPR has a range and
13666 either the tentative result range or the previous range is a
13669 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13671 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13673 2006-01-19 Jan Hubicka <jh@suse.cz>
13675 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13677 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13679 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13680 (expand_compound_operation, expand_field_assignment): Fail if the
13681 bit lengths of an extract operation are out of range.
13682 (make_extraction): Compute wanted_inner_mode based on the position
13683 and length of the extraction. Make it extraction_mode for non-constant
13684 positions, and do not modify offset in that case. When generating a
13685 new MEM, use a mode that can hold the extraction while keeping correct
13686 alignment. Remove code that supported MEMs wrapped by USEs.
13687 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13689 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13691 * config/s390/s390.md ("Y", "y"): New mode attribute.
13692 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13693 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13694 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13695 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13696 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13697 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13698 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13699 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13700 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13701 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13702 "addsi3", "subsi3"): Insn patterns removed.
13703 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13704 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13705 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13706 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13707 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13708 "*sub<mode>3_cconly2"): New insn patterns.
13709 ("addsi3", "subsi3"): New expanders.
13711 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13713 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13714 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13715 existing STMT_VINFO_VECTYPE if available.
13716 (vect_mark_relevant): Add special handling for stmts that are
13717 marked as STMT_VINFO_IN_PATTERN_P.
13718 (vect_analyze_loop): Call vect_pattern_recog.
13719 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13720 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13722 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13723 (vect_recog_func_ptr): New function-pointer type.
13724 * tree-vect-patterns.c: New file.
13725 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13726 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13727 (vect_pattern_recog_1): New functions.
13728 (vect_pattern_recog_funcs): New array of function pointers.
13730 * tree-vectorizer.h (ternary_op): New enum value.
13731 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13732 declaration. Revised documentation. Removed redundant dump prints.
13733 Removed redundant argument. Added support for reduction patterns.
13734 (vectorizable_reduction): Added support for reduction patterns.
13735 (vect_transform_stmt): Added support for patterns.
13737 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13738 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13739 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13740 (expand_widen_pattern_expr): New function.
13741 (init_optabs): Initialize new optabs udot_prod_optab,
13743 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13744 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13745 (expand_widen_pattern_expr): New function declaration.
13746 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13748 * tree-inline.c (estimate_num_insns_1): Added cases for new
13749 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13750 * tree-pretty-print.c (dump_generic_node): Likewise.
13751 (op_prio): Likewise.
13752 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13753 * tree-ssa-operands.c (get_expr_operands): Added case for
13755 * tree-vect-patterns.c (widened_name_p): New function.
13756 (vect_recog_dot_prod_pattern): Added function implementation.
13757 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13758 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13759 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13760 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13762 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13763 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13764 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13765 (init_optabs): Initialize new optabs widen_ssum_optab,
13767 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13768 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13769 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13770 use instead of type of def.
13771 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13772 function implementation.
13773 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13774 widen_ssumv8hi): New.
13776 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13779 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13782 * c-decl.c (add_flexible_array_elts_to_size): New function.
13783 (finish_decl): Use it.
13785 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13787 * diagnostic.h: Include options.h.
13788 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13789 dependancies for diagnostic.h.
13790 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13792 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13794 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13795 (ssa_ro_call_cache_valid): Ditto.
13796 * tree-ssa-alias.c (sort_tags_by_id): New function.
13797 (init_transitive_clobber_worklist): Ditto.
13798 (add_to_worklist): Ditto.
13799 (mark_aliases_call_clobbered): Ditto.
13800 (compute_tag_properties): Ditto.
13801 (set_initial_properties): Ditto.
13802 (compute_call_clobbered): Ditto.
13803 (compute_may_aliases): Call compute_call_clobbered and grouping.
13804 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13805 (compute_flow_insensitive_aliasing): Grouping now happens in our
13807 (setup_pointers_and_addressables): Remove clobbering related code.
13808 (add_may_alias): Ditto.
13809 (replace_may_alias): Ditto.
13810 (get_nmt_for): Ditto.
13811 (create_global_var):
13812 (is_escape_site): Return an escape_type enumeration.
13813 * tree-flow-inline.h (is_call_clobbered): Global var does not
13814 imply call clobbered.
13815 (mark_call_clobbered): Take a reason for marking this. Remove
13816 marking of globalness, and cache invalidation.
13817 (clear_call_clobbered): Remove cache invalidation code.
13818 * tree-dfa.c (dump_variable): If details is on, dump the reason
13820 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13822 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13823 (struct var_ann_d): Ditto.
13824 (enum escape_type): New.
13825 (mark_call_clobbered): Adjust prototype.
13826 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13827 are never call clobbered.
13828 Record reasons for escaping.
13829 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13830 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13831 (ssa_ro_call_cache_valid): Ditto.
13832 (clobbered_v_may_defs): Ditto.
13833 (clobbered_vuses): Ditto.
13834 (ro_call_vuses): Ditto.
13835 (clobber_stats): New.
13836 (init_ssa_operands): Zero out clobber stats.
13837 (fini_ssa_operands): Print out clobber stats.
13838 (get_call_expr_operands): Pass callee fndecl to
13839 add_call_read_ops).
13840 (add_call_clobber_ops): Remove use of cache.
13841 Add use of PURE_CONST information.
13842 (add_call_read_ops): Remove use of cache.
13843 Add use of static not_read information.
13845 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13847 Introduce TLS descriptors for i386 and x86_64.
13848 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13849 (TARGET_ANY_GNU_TLS): New macro.
13850 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13851 (struct machine_function): Add tls_descriptor_call_expanded_p.
13852 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13853 (ix86_current_function_calls_tls_descriptor): Likewise.
13854 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13855 (override_options): Introduce gnu2 tls dialect.
13856 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13858 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13860 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13861 (ix86_init_machine_status): Initialize new field.
13862 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13863 (ix86_tls_module_base): New.
13864 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13865 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13866 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13867 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13868 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13869 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13870 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13871 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13872 * config/i386/predicates.md (tls_modbase_operand): New.
13873 (tp_or_register_operand): New.
13875 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13877 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13878 (look_for_address_of): Ditto.
13879 (ipa_init): Walk the function decls.
13880 (static_execute): Don't set readonly on FUNCTION_DECL's.
13882 2006-01-18 Roger Sayle <roger@eyesopen.com>
13884 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13885 for shifts where the source and destination registers are different.
13887 2006-01-18 Paul Brook <paul@codesourcery.com>
13889 Merge from csl-arm-branch.
13890 2005-03-14 Julian Brown <julian@codesourcery.com>
13891 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13892 (aeabi_llsl): Likewise.
13893 (ashrdi3): Likewise.
13894 (aeabi_lasr): Likewise.
13895 (lshrdi3): Likewise.
13896 (aeabi_llsr): Likewise.
13897 2005-03-10 Julian Brown <julian@codesourcery.com>
13898 * config.gcc: Disable shared libgcc for SymbianOS.
13899 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13901 2006-01-18 DJ Delorie <dj@redhat.com>
13903 * c-pragma.c (handle_pragma_diagnostic): New.
13904 (init_pragma): Register it.
13905 * doc/extend.texi: Document it.
13907 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13908 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13909 (diagnostic_context): Add classify_diagnostic[].
13910 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13911 as errors if they're overridden to DK_WARNING.
13912 (diagnostic_initialize): Initialize classify_diagnostic[].
13913 (diagnostic_set_kind_override): New.
13914 (diagnostic_report_diagnostic): Check for kind changes.
13915 * opts.c (common_handle_option): Take lang_mask. Update callers.
13916 Handle OPT_Werror_.
13917 * common.opt (Werror=): New.
13918 * doc/invoke.texi: Document -Werror=*
13920 2006-01-18 Jeff Law <law@redhat.com>
13922 * tree-vrp.c (test_for_singularity): Correct test for new
13923 min limit. Use operand_equal_p rather than pointer equality
13924 for testing if new min/max values are equal.
13926 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13927 using range information until after propagation and folding.
13929 2006-01-18 Richard Henderson <rth@redhat.com>
13930 Aldy Hernandez <aldyh@redhat.com>
13931 Jakub Jelinek <jakub@redhat.com>
13932 Diego Novillo <dnovillo@redhat.com>
13934 * omp-low.c: New file.
13935 * c-omp.c: New file.
13937 2006-01-18 Richard Henderson <rth@redhat.com>
13938 Jakub Jelinek <jakub@redhat.com>
13939 Diego Novillo <dnovillo@redhat.com>
13941 * doc/invoke.texi: Document -fopenmp.
13942 * tree-dump.h (debug_function): Declare.
13943 * hooks.c (hook_bool_tree_bool_false): New function.
13944 (hook_tree_tree_null): Remove.
13945 (hook_tree_tree_tree_null): New.
13946 * hooks.h: Update to match.
13947 * tree-pretty-print.c (debug_tree_chain): New.
13948 (print_generic_expr): Handle TDF_CHAIN.
13949 (dump_generic_node): Handle BLOCK.
13950 Do not abort with incomplete SWITCH_EXPRs.
13951 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13952 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13953 print space after directive name.
13954 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13955 Handle OMP_MASTER and OMP_ORDERED.
13956 Handle printing of OMP_BODY just in one place, goto
13957 dump_omp_body in the rest of OMP_* nodes that have
13959 Don't handle clause nodes here. Update omp statements to
13960 use dump_omp_clauses.
13961 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13962 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13963 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13964 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13965 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13966 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13967 Adjust output for GOMP_PARALLEL.
13968 (dump_omp_clauses): New.
13969 (print_declaration): Dump DECL_VALUE_EXPR.
13970 (op_symbol_1): Split out of op_symbol.
13971 (dumping_stmts): Remove. Update all users.
13972 * cgraph.c (cgraph_analyze_queue): New.
13973 (cgraph_add_new_function): New.
13974 * cgraph.h (cgraph_analyze_queue): Declare.
13975 (cgraph_add_new_function): Declare.
13976 (cgraph_lower_function): Remove.
13977 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13978 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13979 and TYPE_P nodes in its default clause.
13980 (empty_body_p): New.
13981 (tree_range_check_failed): New.
13982 (build5_stat): New.
13983 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13984 OMP_CLAUSE_REDUCTION_MERGE,
13985 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13986 OMP_CLAUSE_PRIVATE_DEBUG,
13987 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13988 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13989 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13990 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13991 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13992 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13993 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13994 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13995 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13996 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13997 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13998 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13999 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14000 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14001 (TREE_RANGE_CHECK): New.
14002 (empty_body_p): Declare.
14003 (enum omp_clause_default_kind): New.
14004 (build_string_literal): Declare.
14005 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14006 (build5_stat, build5): Declare.
14007 * tree-pass.h (TDF_CHAIN): Define.
14008 * tree-pass.h (PROP_gimple_lomp): Define.
14009 (pass_lower_omp): Declare.
14010 * diagnostic.h (debug_tree_chain): Declare.
14011 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14013 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14014 * builtins.c (build_string_literal): Make extern.
14015 * gcc.c (include_spec_function): New.
14016 (static_spec_functions): Add it.
14017 (main): Move load of libgomp.spec ...
14018 (LINK_COMMAND_SPEC): ... here.
14019 (link_gomp_spec): New.
14020 (static_specs): Include it.
14021 (LINK_COMMAND_SPEC): Add link_gomp.
14022 (GOMP_SELF_SPECS): New.
14023 (driver_self_specs): Include it.
14024 (switch_matches): Don't mark inline.
14025 (main): Load libgomp.spec.
14026 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14027 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14028 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14029 * tree-gimple.h (enum omp_parallel): Declare.
14030 (determine_parallel_type): Declare.
14031 (omp_firstprivatize_variable): Declare.
14032 (omp_reduction_init): Declare.
14033 (diagnose_omp_structured_block_errors): Declare.
14034 (struct walk_stmt_info): Add want_return_expr.
14035 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14036 (find_omp_clause): Declare.
14037 (insert_field_into_struct): Declare.
14038 (struct walk_stmt_info): Move from tree-nested.c
14039 (walk_stmts): Declare.
14040 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14042 * cgraphunit.c (cgraph_lower_function): Make static.
14043 (cgraph_finalize_pending_functions): New.
14044 (cgraph_finalize_function): Call it.
14045 (cgraph_finalize_compilation_unit): Likewise.
14046 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14047 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14048 (BT_FN_UINT_UINT): New.
14049 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14050 DEF_FUNCTION_TYPE_VAR_4): Document.
14051 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14052 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14053 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14054 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14055 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14056 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14057 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14058 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14059 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14060 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14061 into separate files.
14062 (DEF_GOMP_BUILTIN): New.
14063 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14064 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14065 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14066 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14067 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14068 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14069 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14070 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14071 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14072 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14073 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14074 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14075 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14076 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14077 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14078 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14079 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14080 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14081 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14082 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14083 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14084 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14085 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14086 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14087 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14088 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14089 * sync-builtins.def: New file, moved from builtins.def.
14090 * omp-builtins.def: New file, moved from builtins.def.
14091 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14092 * gimple-low.c (lower_function_body): Clear data.
14093 (lower_stmt): Do not handle COMPOUND_EXPR.
14094 Remove call to print_node_brief.
14095 * c-tree.h (c_finish_omp_clauses): New prototype.
14096 (C_DECL_THREADPRIVATE_P): Define.
14097 (lookup_name_no_remap, c_omp_remap_private): Remove
14098 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14099 (check_for_loop_decls): Update decl.
14100 (lookup_name_no_remap, c_omp_remap_private): Declare.
14101 (build_indirect_ref, build_modify_expr, pushdecl,
14102 pushdecl_top_level): Move to c-common.h.
14103 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14104 before the switch, but just in the 2 places that need it.
14105 * c-decl.c (diagnose_mismatched_decls): Do not check for
14106 mismatched thread-local attributes when OLDDECL is marked
14107 threadprivate and NEWDECL has no thread-local attributes.
14108 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14109 (c_gimple_diagnostics_recursively): Rename from
14110 c_warn_unused_result_recursively. Invoke
14111 diagnose_omp_structured_block_errors.
14112 (check_for_loop_decls): Return a singular decl found.
14113 * langhooks.c (lhd_omp_predetermined_sharing): Return
14114 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14115 (lhd_omp_firstprivatize_type_sizes): New.
14116 (lhd_omp_assignment): New.
14117 (lhd_omp_predetermined_sharing): New.
14118 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14119 (struct lang_hooks_for_types): Add
14120 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14121 omp_predetermined_sharing, omp_disregard_value_expr,
14122 omp_private_debug_clause, omp_clause_default_ctor,
14123 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14124 (c_finish_omp_clauses): New.
14125 (c_finish_bc_stmt): Diagnose break within omp for.
14126 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14127 (build_unary_op): Return error_mark after reporting
14129 (build_modify_expr): Likewise.
14130 * gimplify.c: Include optabs.h and pointer-set.h.
14131 (enum gimplify_omp_var_data): Declare.
14132 (struct gimplify_omp_ctx): Declare.
14133 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14135 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14136 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14137 (splay_tree_compare_decl_uid): New.
14138 (new_omp_context): New.
14139 (delete_omp_context): New.
14140 (gimple_add_tmp_var): Call omp_add_variable.
14141 (gimplify_bind_expr): Likewise.
14142 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14143 true, disregard DECL_VALUE_EXPR on the decl if any.
14144 (gimplify_expr_in_ctx): New.
14145 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14146 omp_add_variable, omp_notice_variable, omp_is_private
14147 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14148 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14149 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14150 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14151 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14152 gimplify_omp_atomic): New.
14153 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14154 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14155 OMP_CRITICAL and OMP_ATOMIC.
14156 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14157 * c-pragma.h (enum pragma_kind): Add
14158 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14159 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14160 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14161 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14162 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14163 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14164 PRAGMA_OMP_THREADPRIVATE.
14165 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14166 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14167 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14168 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14169 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14170 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14171 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14172 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14173 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14174 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14175 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14176 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14177 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14179 (struct nesting_info): Add field_map,
14180 suppress_expansion, debug_var_chain.
14181 (create_nesting_tree): Initialize them.
14182 (lookup_field_for_decl): Use field_map.
14183 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14184 (convert_local_omp_clauses): New.
14185 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14186 (walk_body): Split out of walk_function.
14187 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14188 (convert_nonlocal_reference): Handle omp statements.
14189 (convert_local_reference): Likewise.
14190 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14191 (unnest_nesting_tree): New.
14192 (lower_nested_functions): Call it.
14193 (insert_field_into_struct): Make extern.
14194 (struct walk_stmt_info): Move to tree-gimple.h.
14195 (walk_stmts): Make extern.
14196 * omp-builtins.def: New file.
14197 * tree-iterator.c (expr_only): Clarify comment.
14198 * c-common.h (pushdecl_top_level, pushdecl,
14199 build_modify_expr, build_indirect_ref,
14200 c_finish_omp_master, c_finish_omp_critical,
14201 c_finish_omp_ordered, c_finish_omp_barrier,
14202 c_finish_omp_atomic, c_finish_omp_flush,
14203 c_finish_omp_for, c_split_parallel_clauses,
14204 omp_clause_default_kind, c_omp_sharing_predetermined,
14205 c_omp_remap_decl): Declare.
14206 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14207 (OBJS-common): Add omp-low.o.
14208 (c-omp.o, omp-low.o): Add.
14209 (gimplify.o): Add dependency on $(OPTABS_H).
14210 (GTFILES): Add omp-low.c.
14211 (gt-stringpool.h): Add.
14212 * tree-cfg.c (set_bb_for_stmt): Do not update the
14213 block-to-labels map if we are currently expanding to RTL.
14214 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14216 Handle IDENTIFIER_NODE.
14217 (tree_verify_flow_info): Do not ICE when emitting error
14218 messages about invalid labels.
14219 (dump_function_to_file): Reset CFUN before emitting the body
14221 (debug_function): New.
14222 * passes.c (init_optimization_passes): Schedule
14224 * langhooks-def.h (lhd_omp_predetermined_sharing,
14225 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14227 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14228 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14229 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14230 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14231 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14232 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14233 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14234 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14235 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14236 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14237 (LANG_HOOK_DECLS): Use them.
14239 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14240 Richard Henderson <rth@redhat.com>
14241 Jakub Jelinek <jakub@redhat.com>
14242 Diego Novillo <dnovillo@redhat.com>
14244 * c-parser.c (pragma_omp_clause): Define.
14245 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14246 (c_parser_compound_statement): Likewise.
14247 (c_parser_statement): Likewise.
14248 (c_parser_pragma): Handle omp pragmas.
14249 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14250 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14251 (c_parser_omp_clause_name, check_no_duplicate_clause,
14252 c_parser_omp_variable_list,
14253 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14254 c_parser_omp_clause_copyprivate,
14255 c_parser_omp_clause_default,
14256 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14257 c_parser_omp_clause_lastprivate,
14258 c_parser_omp_clause_nowait,
14259 c_parser_omp_clause_num_threads,
14260 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14261 c_parser_omp_clause_reduction,
14262 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14263 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14264 c_parser_omp_atomic, c_parser_omp_barrier,
14265 c_parser_omp_critical, c_parser_omp_flush,
14266 c_parser_omp_for_loop, c_parser_omp_for,
14267 c_parser_omp_master, c_parser_omp_ordered,
14268 c_parser_omp_sections_scope, c_parser_omp_sections,
14269 c_parser_omp_parallel, c_parser_omp_single,
14270 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14271 * c-pragma.c (init_pragma): Do omp pragma registration here.
14272 * c.opt (fopenmp): New flag.
14274 2006-01-18 Eric Christopher <echristo@apple.com>
14276 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14277 * config/darwin.h (GOMP_SELF_SPECS): Define.
14279 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14281 * rtl.h: Remove the prototype for reg_alloc.
14283 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14286 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14287 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14288 sjlj and dwarf2 exception handling.
14289 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14290 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14291 * pa/pa.c (function_value): Treat complex and vector types as
14293 (function_arg): Likewise. Only pass scalar floats in the floating
14294 point argument registers.
14295 * pa/t-slibgcc-dwarf-ver: New file.
14296 * pa/t-slibgcc-sjlj-ver: New file.
14297 * pa/t-slibgcc-elf-ver: Delete file.
14299 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14301 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14302 unlikely_test_section_p test.
14304 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14306 * mode-switching.c (optimize_mode_switching): Make it static.
14307 * basic-block.h: Remove the prototype for
14308 optimize_mode_switching.
14310 * modulo-sched.c (sms_schedule): Make it static.
14311 * rtl.h: Remove the prototype for sms_schedule.
14313 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14314 * rtl.h: Remove the prototype for gcse_after_reload_main.
14316 * reg-stack.c (reg_to_stack): Make it static.
14317 * rtl.h: Remove the prototype for reg_to_stack.
14319 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14321 * rtl.h: Remove the prototypes for regrename_optimize and
14322 copyprop_hardreg_forward.
14324 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14326 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14327 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14328 Test against the appropriate null constant for the mode.
14329 If 'fixup_overlap' is true, swap the operands if they overlap.
14330 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14331 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14332 alpha_split_tmode_pair and adjust for above change.
14333 * config/alpha/alpha.md (movtf_internal): Adjust call to
14334 alpha_split_tfmode_pair and rely on it to swap the operands.
14335 (movti_internal): New insn and post-reload splitter.
14336 (movti): New expander.
14338 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14340 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14343 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14345 * rtlanal.c (global_reg_mentioned_p_1,
14346 global_reg_mentioned_p): Remove.
14347 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14349 * flow.c (initialize_uninitialized_subregs): Make it static.
14350 * rtl.h: Remove the prototype for
14351 initialize_uninitialized_subregs.
14353 * function.c (instantiate_virtual_regs): Make it static.
14354 * function.h: Remove the prototype for
14355 instantiate_virtual_regs.
14357 * regmove.c (regmove_optimize, combine_stack_adjustments):
14359 * rtl.h: Remove the prototypes for regmove_optimize and
14360 combine_stack_adjustments.
14362 2006-01-17 Roger Sayle <roger@eyesopen.com>
14364 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14365 (size_cost): Encode costs in bytes so that a reg-reg addition is
14366 equivalent to COSTS_N_INSNS(1).
14367 (override_options): Use the size_cost.branch_cost as the default
14368 ix86_branch_cost when optimizing for size.
14370 2006-01-18 Ben Elliston <bje@au.ibm.com>
14372 * Makefile.in (D32PBIT_FUNCS): New.
14373 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14374 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14375 D64PBIT_FUNCS and D128PBIT_FUNCS.
14376 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14377 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14379 (decnumber_dep): Define.
14380 * doc/libgcc.texi (Decimal float library routines): New node.
14381 * config/dfp-bit.h, config/dfp-bit.c: New files.
14383 2006-01-18 Ben Elliston <bje@au.ibm.com>
14385 * expr.c (emit_move_change_mode): Always adjust addresses, not
14386 just during reload. Copy replacements only during reload.
14387 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14388 emit_move_via_integer.
14390 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14392 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14393 instead of $(srcdir) and ${srcdir}.
14395 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14398 PR middle-end/11135
14399 * arm.h (struct machine_function): Add pic_reg.
14400 * arm.c (arm_pic_register): Make unsigned.
14401 (arm_override_options): Only set arm_pic_register if
14402 TARGET_SINGLE_PIC_BASE.
14403 (use_return_insn): Only test for a pic register if it is fixed.
14404 (arm_compute_save_reg0_reg12_mask): Likewise.
14405 (thumb_compute_save_reg_mask): Likewise.
14406 (legitimate_pic_operand): Factor out some known invariants.
14407 (legitimize_pic_address): If we don't have a fixed pic register,
14408 then set up a pseudo in the function entry sequence. Handle the
14409 pic base being in a pseudo.
14410 (arm_load_pic_register): Handle the pic register being in a pseudo.
14411 (arm_expand_prologue): Only set up the pic register if it is fixed.
14412 (thumb_expand_prologue): Likewise.
14413 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14414 (pic_load_addr_based_insn): Likewise.
14415 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14418 2006-01-18 Ben Elliston <bje@au.ibm.com>
14420 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14421 decimal float modes for all floating point registers.
14423 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14424 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14426 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14429 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14430 even when the pointer is not NULL.
14432 2006-01-16 Ian Lance Taylor <ian@airs.com>
14434 * common.opt (ftoplevel-reorder): New option.
14435 * cgraph.c (cgraph_asm_nodes): New global variable.
14436 (cgraph_asm_last_node): New static variable.
14437 (cgraph_order): New global variable.
14438 (cgraph_create_node): Set new order field.
14439 (cgraph_varpool_node): Likewise.
14440 (decide_is_variable_needed): Return true if not
14441 flag_toplevel_reorder.
14442 (cgraph_add_asm_node): New function.
14443 * cgraph.h (struct cgraph_node): Add order field.
14444 (struct cgraph_varpool_node): Add order field.
14445 (struct cgraph_asm_node): Define.
14446 (cgraph_asm_nodes, cgraph_order): Declare.
14447 (cgraph_add_asm_node): Declare.
14448 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14450 (cgraph_varpool_assemble_pending_decls): Call it.
14451 (cgraph_output_pending_asms): New static function.
14452 (cgraph_finalize_compilation_unit): Call it.
14453 (struct cgraph_order_sort): Define.
14454 (cgraph_output_in_order): New static function.
14455 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14456 !flag_toplevel_reorder case.
14457 * c-parser.c: Include "cgraph.h".
14458 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14460 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14461 than -fno-unit-at-a-time.
14462 * doc/invoke.texi (Option Summary): Mention
14463 -fno-toplevel-reorder.
14464 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14465 -funit-at-a-time documentation.
14467 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14468 Kazu Hirata <kazu@codesourcery.com>
14470 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14472 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14474 * Makefile.in (FUNCTION_H): New. Use it instead of
14475 function.h throughout the file.
14476 * function.h: Include tree.h.
14478 2006-01-17 Ben Elliston <bje@au.ibm.com>
14480 * recog.c: Separate some functions with whitespace.
14482 2006-01-16 Richard Henderson <rth@redhat.com>
14484 Merge from gomp branch:
14485 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14486 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14487 and rename from struct inline_data. Rename callee* to dst*;
14488 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14489 transform_new_cfg, transform_return_to_modify, and
14490 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14492 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14493 (copy_decl_for_dup): Remove.
14494 * tree-inline.c (struct inline_data): Move to header.
14495 (insert_decl_map): Export.
14496 (remap_decl): Update for member name changes. Use copy_decl hook.
14497 Allow for replacement to be a non-decl. Remove dead code.
14498 (remap_type_1): Check for existing mapping.
14499 (remap_type): Export.
14500 (remap_decls): Update for member name changes.
14501 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14502 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14503 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14504 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14505 (tree_function_versioning, build_duplicate_type): Likewise.
14506 (copy_body_r): Likewise. Export.
14507 (copy_decl_for_dup): Split into ...
14508 (copy_decl_for_dup_finish, copy_decl_to_var,
14509 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14510 (replace_ref_tree, inlining_p): Remove.
14512 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14514 * ifcvt.c (if_convert): Make it static.
14515 * rtl.h: Remove the prototype for if_convert.
14517 * local-alloc.c (local_alloc): Make it static.
14518 * rtl.h: Remove the prototype for local_alloc.
14520 * loop.c (loop_optimize): Make it static.
14521 * cfgloop.h: Remove the prototype for loop_optimize.
14524 2006-01-16 DJ Delorie <dj@redhat.com>
14526 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14529 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14531 * pa.md: Disparage copies between general and floating-point registers
14532 in 32-bit move patterns.
14534 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14537 * Makefile.in (check-%): Depend on site.exp instead of
14538 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14541 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14543 * global.c (global_alloc): Make it static.
14544 * rtl.h: Remove the prototype for global_alloc.
14546 2006-01-16 Richard Guenther <rguenther@suse.de>
14548 * tree-ssa-alias.c (struct used_part): Add write_only field.
14549 (get_or_create_used_part_for): Initialize it to true.
14550 (create_overlap_variables_for): Don't create structure variables
14551 for structures that only are written to.
14552 (find_used_portions): Handle MODIFY_EXPR to track whether a
14553 structure is only written to.
14555 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14557 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14559 * basic-block.h: Remove the prototype for
14560 partition_hot_cold_basic_blocks.
14562 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14564 * cppspec.c (lang_specific_spec_functions): Remove.
14565 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14566 * gcc.h (lang_specific_spec_functions): Remove.
14567 * gccspec.c (lang_specific_spec_functions): Remove.
14569 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14571 * combine.c (record_value_for_reg): Invalidate registers
14573 (record_dead_and_set_regs_1): Likewise, by passing them to
14574 record_value_for_reg.
14575 (record_dead_and_set_regs): Invalidate stores made by a
14576 call. We do not combine across a call, but we still
14577 relied on equivalences.
14579 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14581 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14582 vrp_int_const_binop returning non-constant nodes.
14584 2006-01-16 Paul Brook <paul@codesourcery.com>
14586 * config/m68k/m68k.c (output_move_const_into_data_reg):
14587 Output correct mnemonic for mvz and mvs.
14589 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14591 * rtl-factoring.c: Add sequence abstraction algorithm.
14592 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14593 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14595 (block_has_preserve_label): New function.
14596 * common.opt: Register new pass.
14597 * Makefile.in: Ditto.
14599 * timevar.def: Ditto.
14600 * tree-pass.h: Ditto.
14601 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14602 * rtl.h (make_jump_insn_raw): Add forward decl.
14603 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14605 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14606 Roger Sayle <roger@eyesopen.com>
14608 * fold-const.c (fold_minmax): New static function.
14609 (fold_binary) <MIN_EXPR>: Call it.
14610 <MAX_EXPR>: Likewise.
14611 * stor-layout.c (place_field): Use DECL_SIZE consistently
14612 in the computation of the new record size.
14614 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14616 * cse.c (cse_condition_code_reg): Make it static.
14617 * rtl.h: Remove the prototype for cse_condition_code_reg.
14619 * combine.c (combine_instructions): Make it static.
14620 * rtl.h: Remove the prototype for combine_instructions.
14622 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14625 * tree.c (get_file_function_name_long): Concatenate the first global
14626 object name with a string derived from the input filename of the object
14629 2006-01-16 Ben Elliston <bje@au.ibm.com>
14631 * config/i386/winnt-stubs.c: Update FSF address.
14632 * config/xtensa/ieee754-df.S: Ditto.
14633 * config/xtensa/ieee754-sf.S: Ditto.
14635 2006-01-14 Ian Lance Taylor <ian@airs.com>
14637 * ifcvt.c (noce_init_if_info): New static function, broken out of
14638 noce_process_if_block.
14639 (noce_process_if_block): Call noce_init_if_info.
14640 (check_cond_move_block): New static function.
14641 (cond_move_process_if_block): New static function.
14642 (process_if_block): Call cond_move_process_if_block.
14644 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14646 * cselib.c (hash_table): Rename to cselib_hash_table.
14647 (cselib_clear_table, discard_useless_values,
14648 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14649 cselib_init, cselib_finish): Adjust uses of hash_table.
14651 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14653 PR tree-optimization/25485
14654 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14655 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14656 is known to be false and true, respectively.
14658 2006-01-14 Richard Guenther <rguenther@suse.de>
14660 PR tree-optimization/22548
14661 PR tree-optimization/22555
14662 PR tree-optimization/22501
14663 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14664 * params.def (salias-max-array-elements): New parameter.
14665 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14666 * doc/invoke.texi (salias-max-array-elements): Document.
14667 * tree-flow-inline.h (var_can_have_subvars): We also handle
14669 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14671 * tree-ssa-structalias.c (params.h): Include.
14672 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14673 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14674 (get_constraint_for): For ADDR_EXPR operating on something
14675 containing an ARRAY_REF, add all subvars to the solution.
14676 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14677 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14678 for creating MUST_DEFs.
14679 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14681 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14683 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14685 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14686 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14687 number_of_iterations_le): New functions.
14688 (number_of_iterations_special): Removed.
14689 (number_of_iterations_exit): Do not use number_of_iterations_special.
14690 * tree.c (unsigned_type_for): Always return integer type.
14692 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14693 Richard Guenther <rguenther@suse.de>
14695 PR rtl-optimization/24257
14696 * gcse.c (find_moveable_store): Only consider a store movable
14697 when the SET_SRC of the insn can be assigned to a register.
14699 2006-01-14 Ian Lance Taylor <ian@airs.com>
14701 * tree.c (tree_not_class_check_failed): New function.
14702 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14703 (tree_not_class_check_failed): Declare.
14705 2006-01-13 Ian Lance Taylor <ian@airs.com>
14707 * reload1.c (do_output_reload): Add assertion rejecting a
14710 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14712 * combine.c (struct reg_stat): Add new fields truncation_label and
14714 (record_value_for_reg): Reset truncated_to_mode.
14715 (record_truncated_value): New function.
14716 (check_promoted_subreg): Call it. Rename to check_conversions.
14717 (combine_instructions): Rename check_promoted_subreg to
14719 (reg_truncated_to_mode): New function.
14720 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14721 (gen_lowpart_or_truncate): New function.
14722 (force_to_mode): Use it instead of gen_lowpart.
14724 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14726 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14727 VAR is a tag, not its type tag.
14729 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14731 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14732 alternatives to match style of other entries.
14733 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14735 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14737 PR tree-optimization/25771
14738 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14741 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14744 * tree-inline.c (declare_return_variable): If the return variable
14745 was marked as a non gimple complex, set the return slot variable
14746 to be a non gimple comple variable.
14748 2006-01-13 Richard Guenther <rguenther@suse.de>
14750 * builtins.c (expand_builtin_sincos): New function.
14751 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14753 (expand_builtin): Expand sincos using expand_builtin_sincos.
14755 2006-01-12 DJ Delorie <dj@redhat.com>
14757 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14758 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14759 so that constant shifts can be split.
14760 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14761 (m32c_valid_pointer_mode): Make static.
14762 (shift_gen_func_for): New.
14763 (m32c_prepare_shift): Use it. Split large const shifts into
14765 * config/m32c/predicates.md (shiftcount_operand): Allow more
14767 (longshiftcount_operand): New.
14768 * doc/md.texi (Machine Constraints): Document In6.
14770 2006-01-13 Ben Elliston <bje@au.ibm.com>
14772 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14773 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14776 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14778 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14779 to try to avoid clobbering pieces of structures when we know
14780 something about the whole structure.
14781 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14783 2006-01-13 Ben Elliston <bje@au.ibm.com>
14785 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14786 return in memory, as this is no limitation is no longer present.
14788 2006-01-12 DJ Delorie <dj@redhat.com>
14790 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14791 mova with fb, and for fb+0 -> An.
14793 * config/m32c/mov.md (peephole2): Fix enabling logic.
14795 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14796 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14797 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14798 FINI_ARRAY_SECTION_ASM_OP): Define.
14800 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14802 (m32c_legitimize_reload_address): New logic to reload FB to An.
14803 (m32c_output_reg_push): Add newline.
14804 (m32c_output_reg_pop): Likewise.
14806 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14808 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14810 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14812 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14814 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14816 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14819 2006-01-11 Ben Elliston <bje@au.ibm.com>
14821 * rtlanal.c (find_reg_note): Assert insn is not null.
14823 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14825 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14828 2006-01-11 Jeff Law <law@redhat.com>
14830 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14832 (mark_threaded_blocks, register_jump_thread): New functions.
14833 (thread_through_all_blocks): Remove unwanted argument. No
14834 longer rely on e->aux to communicate thread target info.
14835 Call mark_threaded_blocks. Release the threaded_blocks
14836 bitmap and threaded_edges vector when complete.
14837 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14838 (threaded_blocks): Remove.
14839 (tree_ssa_dominator_optimize): Remove initialization and
14840 finalization of threaded_blocks. Simplify call to
14841 thread_through_all_blocks.
14842 (thread_across_edge): Call register_jump_thread rather than
14843 storing thread information into e->aux.
14844 (free_all_edge_infos): Simplify now that e->aux is no longer
14845 used to communicate with thread_through_all_blocks.
14846 * tree-flow.h (thread_through_all_blocks): Update prototype.
14847 (register_jump_thread): Prototype.
14849 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14851 * df-core.c (df_compact_blocks, df_bb_replace): Use
14852 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14854 2006-01-11 Richard Guenther <rguenther@suse.de>
14856 PR tree-optimization/25734
14857 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14858 stop propagation after successful propagation to the LHS.
14860 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14862 * basic-block.h (control_flow_graph): Change the type of
14863 x_basic_block_info to VEC(basic_block,gc) *.
14864 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14866 (SET_BASIC_BLOCK): New.
14867 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14868 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14869 * cfgbuild.c (find_basic_blocks): Likewise.
14870 * cfglayout.c (fixup_reorder_chain): Likewise.
14871 * cfgrtl.c (create_basic_block_structure,
14872 rtl_create_basic_block): Likewise.
14873 * ifcvt.c (find_if_case_1): Likewise.
14874 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14877 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14879 * Makefile.in: Removed rotted odf.c entry.
14881 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14884 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14885 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14886 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14887 output pattern modifier, not %e.
14888 * config/cris/cris.c (cris_op_str): Update comment about pattern
14890 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14891 before falling through into...
14892 <case 'E'>: Redefined from old 'e' case.
14894 2006-01-11 Jan Hubicka <jh@suse.cz>
14897 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14899 2006-01-11 Jan Hubicka <jh@suse.cz>
14901 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14902 * i386.c (x86_decompose_lea): Kill.
14903 (ix86_rtx_costs): Kill.
14905 2006-01-11 Jan Hubicka <jh@suse.cz>
14907 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14908 * cgraph.h (cgraph_node): Add inline_decl.
14909 (cgraph_insert_node_to_hashtable): Declare.
14910 (save_inline_function_body): Declare.
14911 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14913 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14914 (cgraph_function_versioning): Update call of tree_function_versioning.
14915 (save_inline_function_body): New function.
14916 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14917 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14918 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14919 (cgraph_default_inline_p): Likewise.
14920 (cgraph_decide_inlining_incrementally): Likewise.
14921 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14922 (copy_bb): Kill saving; do updating of clones.
14923 (copy_cfg_body): Kill saving.
14924 (initialize_inlined-parameters): Likewise.
14925 (expand_call_inline): Likewise.
14927 (tree_function_versioning): New parameter "update_clones".
14928 (inlining_p): Kill saving.
14929 * tree-inline.h (tree_function_versioning): Update prototype.
14930 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14933 2006-01-11 Ian Lance Taylor <ian@airs.com>
14935 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14936 Allow undoing set of machine mode.
14937 (do_SUBST): Use enums instead of is_int.
14938 (do_SUBST_MODE): New function.
14939 (SUBST_MODE): New macro.
14940 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14941 reg and trying to replace reg_regno_rtx with a new register.
14942 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14943 (simplify_set): Use SUBST_MODE.
14944 (distribute_notes): Remove code that tried to update reg notes
14945 for regno_reg_rtx changes.
14947 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14949 PR tree-optimization/23109
14950 PR tree-optimization/23948
14951 PR tree-optimization/24123
14953 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14954 * tree-cfg.c (single_noncomplex_succ): New.
14955 * tree-flow.h (single_noncomplex_succ): Declare it.
14956 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14957 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14958 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14959 insert_bb, register_division_in, insert_reciprocals,
14960 replace_reciprocal, free_bb): New.
14961 (execute_cse_reciprocals_1): Rewritten.
14962 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14963 Do not commit any edge insertion. Always compute dominators and
14964 create the allocation pool.
14965 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14966 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14967 * targhooks.c (default_min_divistions_for_recip_mul): New.
14968 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14969 * passes.c (init_optimization_passes): Run recip after tree loop
14971 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14973 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14974 Kenneth Zadeck <zadeck@naturalbridge.com>
14976 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14977 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14978 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14979 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14980 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14981 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14982 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14983 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14984 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14985 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14986 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14987 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14988 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14989 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14990 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14991 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14992 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14993 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14994 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14995 DF_SCAN_POST_ALLOC): New macros.
14996 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14997 df_free_bb_function, df_local_compute_function, df_init_function,
14998 df_dataflow_function, df_confluence_function_0,
14999 df_confluence_function_n, df_transfer_function,
15000 df_finalizer_function, df_free_function, df_dump_problem_function,
15001 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15002 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15003 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15004 df_urec_bb_info, ) New types.
15005 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15007 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15008 df_analyze_simple_change_some_blocks,
15009 df_analyze_simple_change_one_block, df_compact_blocks,
15010 df_bb_replace, df_bb_regno_last_use_find,
15011 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15012 df_insn_regno_def_p, df_find_def, df_find_use,
15013 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15014 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15015 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15016 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15017 debug_df_chain, df_get_dependent_problem, df_chain_create,
15018 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15019 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15020 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15021 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15022 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15023 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15024 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15025 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15026 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15027 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15028 df_reorganize_refs, df_set_state, df_hard_reg_init,
15029 df_read_modify_subreg_p) New public functions.
15030 * df-core.c: The core dataflow solver and glue routines for rtl
15032 (df_init, df_add_problem, df_set_blocks, df_finish,
15033 df_hybrid_search_forward, df_hybrid_search_backward,
15034 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15035 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15036 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15037 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15038 df_reg_defined, df_find_use, df_reg_used, df_dump,
15039 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15040 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15041 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15042 debug_df_useno, reset_df_after_reload): New functions.
15043 * df-scan.c: The scanning fuctions, once in df.c, completely
15044 rewritten so that they now fully model the functionality of
15045 register usage at the backend.
15046 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15047 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15048 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15049 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15050 df_get_artificial_defs, df_get_artificial_uses,
15051 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15052 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15053 df_refs_delete, df_reorganize_refs, df_set_state,
15054 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15055 df_def_record_1, df_defs_record, df_uses_record,
15056 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15057 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15058 df_record_exit_block_uses, df_hard_reg_init): New functions.
15060 * df-problems.c: Seven concrete dataflow problems that use the
15061 scanning in df-scan.c and are solved by the engine in df-core.c.
15062 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15063 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15064 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15065 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15066 df_ru_free_bb_info, df_ru_alloc,
15067 df_ru_bb_local_compute_process_def,
15068 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15069 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15070 df_ru_transfer_function, df_ru_free, df_ru_dump,
15071 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15072 df_rd_free_bb_info, df_rd_alloc,
15073 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15074 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15075 df_rd_transfer_function, df_rd_free, df_rd_dump,
15076 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15077 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15078 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15079 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15080 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15081 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15082 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15083 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15084 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15085 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15086 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15087 df_urec_mark_reg_use_for_earlyclobber,
15088 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15089 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15090 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15091 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15092 df_chain_create_bb_process_use, df_chain_create_bb,
15093 df_chain_finalize, df_chain_free, df_chains_dump,
15094 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15095 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15096 df_reg_lifetime): New functions.
15097 * df.c: Deleted file.
15098 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15099 consistent with new df api.
15100 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15101 rest_of_handle_sms): Ditto.
15102 * web.c (unionfind_union, union_defs, entry_register, web_main):
15104 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15105 invariant_expr_equal_p, find_defs, check_dependencies,
15106 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15107 free_inv_motion_data, move_loop_invariants): Ditto.
15108 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15109 Update dependencies.
15110 (odf.c): Added defective entry that was deleted later in day.
15111 * sched-deps.c (sched_analyze_1): Ditto.
15113 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15115 * tree-ssa-operands.c (get_expr_operands): Record addressable
15116 variables directly. Do not call add_stmt_operands for CONST_DECLs
15118 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15119 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15121 2006-01-11 Ben Elliston <bje@au.ibm.com>
15123 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15124 function returns true in the positive case.
15126 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15129 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15130 for SI, DI, SF and DF modes. Add alternatives to copy between
15131 general and floating point registers to the 32-bit patterns.
15132 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15133 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15134 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15135 generating 64-bit code.
15136 * config/pa/pa.c (output_move_double): Handle copies between general
15137 and floating registers.
15139 2006-01-10 Stuart Hastings <stuart@apple.com>
15141 * config/i386/i386.md (set_got): Update.
15142 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15143 (builtin_setjmp_receiver): Mach-O support.
15144 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15145 (GOT_SYMBOL_NAME): Define.
15146 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15147 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15148 * config/i386/i386.c (override_options): Revise for Darwin.
15149 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15150 support. (darwin_x86_file_end): New. (output_set_got): Add label
15151 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15152 * config/i386/i386-protos.h (output_set_got): Likewise.
15153 * config/darwin.c (machopic_legitimize_pic_address): Update
15156 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15158 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15159 when MODE isn't BLKmode.
15161 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15163 PR rtl-optimization/25367
15164 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15166 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15169 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15170 for a negative bound.
15172 2006-01-10 Richard Guenther <rguenther@suse.de>
15174 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15175 Never override with anything constraint.
15177 2006-01-10 Jan Beulich <jbeulich@novell.com>
15179 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15180 256 bits when optimize_size.
15182 2006-01-10 Jan Beulich <jbeulich@novell.com>
15184 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15186 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15187 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15190 2006-01-10 Ben Elliston <bje@au.ibm.com>
15192 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15194 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15195 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15196 (USE_FP_FOR_ARG): Reject decimal float modes.
15197 (function_arg_advance): Likewise.
15198 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15199 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15200 point types in AltiVec vectors.
15201 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15202 (rs6000_libcall_value): Likewise.
15204 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15206 * config/xtensa/ieee754-df.S: New file.
15207 * config/xtensa/ieee754-sf.S: New file.
15208 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15209 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15210 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15212 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15214 * config/sh/predicates.md (binary_float_operator,
15215 binary_logical_operator, commutative_float_operator,
15216 equality_comparison_operator, greater_comparison_operator,
15217 less_comparison_operator, logical_operator,
15218 noncommutative_float_operator, shift_operator,
15219 symbol_ref_operand, unary_float_operator): Remove redundant
15222 2006-01-09 Jeff Law <law@redhat.com>
15224 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15225 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15226 now unused arguments. Callers updated.
15227 (eliminate_redundant_computations): Remove now unused arguments,
15229 (local_fold): Remove, no longer used.
15230 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15232 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15233 (simplify_cond): New function.
15234 (forward_propagate_into_cond): Call simplify_cond.
15236 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15238 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15239 (*vec_extractv2di_1_sse): New.
15241 2006-01-09 Ben Elliston <bje@au.ibm.com>
15243 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15245 2006-01-08 Richard Guenther <rguenther@suse.de>
15247 * tree-ssa-structalias.c (get_constraint_for): Remove
15248 anyoffset argument.
15249 (get_constraint_for_component_ref): Likewise.
15250 (do_deref): Likewise.
15251 (get_constraint_for): Likewise.
15252 (do_structure_copy): Likewise.
15253 (handle_ptr_arith): Likewise.
15254 (find_func_aliases): Likewise. Remove unused need_anyoffset
15257 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15258 Kaz Kojima <kkojima@gcc.gnu.org>
15260 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15261 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15262 (EXTRA_CONSTRAINT_C16): Remove.
15263 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15264 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15265 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15266 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15267 constants of SHmedia. Handle nested constant expressions of
15269 (andcosts): Fix the costs for SHmedia constants.
15270 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15271 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15272 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15273 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15274 (movv4hi_i, movv2si_i): Likewise.
15275 (movsi_const): Adjust the second operand of ior so to match with
15276 the Csu constraint.
15277 (movdi_const, movdi_const_32bit): Likewise.
15278 (movdi_const_16bit+1): Don't sign-extend LOW.
15279 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15281 (*double_shori): Fix the split condition. Use GEN_INT instead
15282 of get_int_mode calls. Mask lower 16-bit of the argument of
15284 (sym2GOTPLT): Remove.
15285 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15287 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15288 instead of EXTRA_CONSTRAINT_C16.
15290 2006-01-07 Ian Lance Taylor <ian@airs.com>
15291 David Edelsohn <edelsohn@gnu.org>
15293 PR rtl-optimization/25662
15294 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15295 for constant operands instead of simplify_gen_binary.
15296 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15297 after trying simplify_binary_operation
15299 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15301 * tree.c (iterative_hash_expr): Hash decls based on UID.
15303 2006-01-06 Eric Christopher <echristo@apple.com>
15305 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15306 (TARGET_UNWIND_EMIT): Fix spelling.
15307 * target.h (gcc_target): Add except_table_label.
15308 * except.c (output_function_exception_table): Use.
15309 * varasm.c (default_emit_except_table_label): New.
15310 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15312 (asm_out): Add here.
15313 * output.h (default_emit_except_table_label): Prototype.
15314 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15315 * config/darwin.c (darwin_emit_except_table_label): Define.
15316 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15318 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15320 PR tree-optimization/18527
15321 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15322 number_of_iterations_special, number_of_iterations_exit):
15323 Move base and step of an iv to a single structure. Add
15324 no_overflow flag, and use it in # of iterations analysis.
15325 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15326 folded_casts argument.
15327 (simple_iv): Pass base and step in a structure. Set no_overflow
15329 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15330 Evaluate expensiveness of computing # of iterations instead of
15331 the final expression.
15332 * tree-scalar-evolution.h (affine_iv): New structure.
15333 (simple_iv): Declaration changed.
15334 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15335 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15336 find_givs_in_stmt): Changed due to simple_iv change.
15338 2006-01-06 Jeff Law <law@redhat.com>
15341 * tree-cfg.c (bsi_replace): Rename final argument from
15342 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15343 change (stmt -> orig_stmt).
15344 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15345 (bsi_remove): Add new argument. Remove EH information
15347 (verify_eh_throw_table_statements): New function.
15348 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15350 * tree-optimize.c (execute_free_cfg_annotations): Verify
15351 the EH throw statement table after removing annotations.
15352 * except.h (verify_eh_throw_table_statements): Prototype.
15353 * tree-flow.h (bsi_remove): Update prototype.
15354 * tree-vrp.c (remove_range_assertions): Add new argument to
15356 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15357 * tree-complex.c (expand_complex_div_wide): Likewise.
15358 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15359 * tree-tailcall.c (eliminate_tailcall): Likewise.
15360 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15361 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15362 * tree-nrv.c (tree_nrv): Likewise.
15363 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15364 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15365 (combine_blocks): Likewise.
15366 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15367 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15368 (cleanup_control_flow): Likewise.
15369 (remove_forwarder_block): Likewise.
15370 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15371 * tree-sra.c (sra_replace): Likewise.
15372 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15373 (forward_propagate_single_use_vars): Likewise.
15374 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15375 * tree-inline.c (expand_call_inline): Likewise.
15376 * tree-vect-transform.c (vect_transform_loop): Likewise.
15377 * tree-outof-ssa.c (rewrite_trees): Likewise.
15378 * tree-cfg.c (make_goto_expr_edges): Likewise.
15379 (cleanup_dead_labels): Likewise.
15380 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15381 (bsi_move_before, bsi_move_after): Likewise.
15382 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15383 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15385 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15388 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15390 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15391 on non gimple variables. Also add checks at the top for decls and
15393 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15395 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15396 and IMAGPART_EXPR for creating MUST_DEFs.
15397 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15398 and NAME_MEMORY_TAG separately from the DECLs.
15400 2006-01-06 Richard Guenther <rguenther@suse.de>
15402 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15403 annotation, if necessary.
15404 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15405 redundant calls to update_stmt.
15406 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15409 2006-01-05 Richard Henderson <rth@redhat.com>
15411 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15413 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15415 * c-typeck.c: Update copyright date.
15417 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15419 * c-typeck.c (build_c_cast): Always warn when casting
15420 from a pointer to an integer of different size, even if
15421 the node was constant.
15423 2006-01-05 Richard Guenther <rguenther@suse.de>
15425 PR tree-optimization/22555
15426 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15427 if one structure field is an array.
15428 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15429 operands even if we found a subvar, but ignore VOPs in this
15431 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15433 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15435 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15437 PR middle-end/24998
15438 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15440 2006-01-05 Richard Guenther <rguenther@suse.de>
15441 Diego Novillo <dnovillo@redhat.com>
15443 * tree-pass.h (TODO_remove_unused_locals): Define.
15444 * gimple-low.c (expand_var_p, remove_useless_vars,
15445 pass_remove_useless_vars): Remove. Update all users.
15446 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15447 (remove_unused_locals): New function.
15448 * tree-flow.h (remove_unused_locals): Declare.
15449 * passes.c (execute_todo): Call remove_unused_locals if
15450 TODO_remove_unused_locals is set.
15451 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15452 * tree-ssa-dce.c (pass_dce): Likewise.
15453 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15455 2006-01-05 Richard Guenther <rguenther@suse.de>
15457 * tree-flow.h (struct fieldoff): Decompose field to
15458 type, size and decl.
15459 * tree-ssa-alias.c (create_sft): Take type as parameter.
15460 (create_overlap_variables_for): Store type, size and decl
15461 in the fieldoff structure.
15462 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15463 of struct fieldoff.
15464 (push_fields_onto_fieldstack): Likewise.
15465 (create_variable_info_for): Likewise. Use offset for the
15466 SFT name if the decl is not available.
15468 2006-01-04 Paul Brook <paul@codesourcery.com>
15470 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15472 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15474 * lambda-code.c (can_put_in_inner_loop): Relax
15476 (can_put_after_inner_loop): New function.
15477 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15478 (perfect_nestify): Change to make copies and modify uses.
15480 2006-01-04 Richard Henderson <rth@redhat.com>
15482 Merge from gomp branch:
15483 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15484 via integer constant.
15485 (pragma_lex): Remove.
15486 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15487 rather than parsing it.
15488 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15489 handle_pragma_extern_prefix): Add %< %> quotes.
15490 (registered_pragmas): New.
15491 (c_register_pragma_1): New.
15492 (c_register_pragma): Use it.
15493 (c_register_pragma_with_expansion): Likewise.
15494 (c_invoke_pragma_handler): New.
15495 (init_pragma): Use cpp_register_deferred_pragma directly for
15497 * c-pragma.h (enum pragma_kind): New.
15498 (pragma_handler): New.
15499 (c_invoke_pragma_handler): Declare.
15500 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15502 * c-common.h (c_common_pch_pragma): Update decl.
15503 * Makefile.in (c-parser.o): Update dependencies.
15504 (GTFILES): Add c-pragma.h.
15505 * c-parser.c (struct c_token): Add pragma_kind.
15506 (struct c_parser): Add in_pragma.
15507 (c_lex_one_token): Always initialize keyword and pragma_kind.
15508 Extract data for CPP_PRAGMA.
15509 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15510 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15511 Don't allow CPP_PRAGMA_EOL if in_pragma.
15512 (c_parser_consume_pragma): New.
15513 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15514 (c_parser_skip_to_end_of_parameter): Likewise.
15515 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15516 (c_parser_skip_to_pragma_eol): New.
15517 (c_parser_external_declaration): Handle CPP_PRAGMA.
15518 (c_parser_compound_statement_nostart): Likewise.
15519 (c_parser_statement_after_labels): Likewise.
15520 (c_parser_pragma): New.
15521 (pragma_lex): Likewise.
15522 (c_parser_pragma_pch_preprocess): New.
15523 (c_parser_new): Merge into ...
15524 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15526 2006-01-04 Jeff Law <law@redhat.com>
15529 * tree-cfg.c (bsi_replace): Remove the original statement
15530 from the EH throw statement table.
15532 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15534 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15535 make the prototype extern "C" and add throw ().
15538 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15539 and pos non-negative and pos + len <= 32.
15540 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15541 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15542 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15545 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15546 as well as sizes not multiple of component size.
15549 * function.c (instantiate_expr): New function.
15550 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15551 walk its DECL_VALUE_EXPR with instantiate_expr.
15553 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15554 DW_OP_deref{,_size} if address isn't going to be added.
15556 2006-01-04 Ben Elliston <bje@au.ibm.com>
15558 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15559 * config/fp-bit.c: Likewise.
15561 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15563 * dominance.c: Add comment about why we use DFS numbering
15566 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15567 Richard Henderson <rth@redhat.com>
15569 Merge from gomp-branch:
15570 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15571 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15573 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15575 PR rtl-optimization/25578
15576 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15577 pass a parameter to simplify_shift_const if changing ASHIFTRT
15580 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15582 * builtins.c (get_builtin_sync_mem): New function.
15583 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15584 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15585 Call get_builtin_sync_mem to generate mem rtx.
15587 2006-01-03 Richard Guenther <rguenther@suse.de>
15590 * stmt.c (add_case_node): Make sure to clear overflow flags
15593 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15595 Merge from gomp-branch.
15596 * config/sparc/sync.md: New file.
15597 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15598 UNSPECV_LDSTUB): New constants.
15599 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15600 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15601 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15604 2006-01-03 Roger Sayle <roger@eyesopen.com>
15606 * combine.c (reg_subword_p): New predicate to test whether the
15607 destination of a set refers to a subword/piece of a register.
15608 (try_combine): Generalize the code to merge the setting of a
15609 pseudo to a constant followed by a set of a subword of that
15610 register to a constant.
15612 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15614 * basic-block.h (control_flow_graph): Change the type of
15615 x_label_to_block_map to VEC(basic_block,gc) *.
15616 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15617 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15619 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15620 VEC(basic_block,heap) *.
15621 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15622 ssa_prop_fini): Adjust the uses of cfg_blocks.
15624 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15626 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15628 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15629 hashing trees instead of a pointer hash.
15630 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15631 compare for MEM_EXPR.
15633 PR rtl-optimization/25130
15634 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15635 when comparing MEMs for GCSE
15637 2006-01-03 Ben Elliston <bje@au.ibm.com>
15639 * targhooks.h (default_decimal_float_supported_p): Declare.
15640 * targhooks.c (default_decimal_float_supported_p): Define.
15641 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15642 `default_decimal_float_supported_p'.
15643 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15645 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15647 * combine.c (apply_distributive_law <SUBREG>): Check
15648 TRULY_NOOP_TRUNCATION.
15650 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15652 * dwarf2out.c (have_switched_text_section): Delete.
15653 (have_multiple_function_sections): New.
15654 (have_location_lists): Make 'bool'.
15655 (add_AT_loc_list): Use 'true' not '1'.
15656 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15657 (output_loc_list): Use have_multiple_function_sections.
15658 (output_ranges): Likewise.
15659 (dwarf2out_begin_function): Set have_multiple_function_sections if
15661 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15662 Check function_section rather than DECL_SECTION_NAME.
15663 (dwarf2out_finish): Use have_multiple_function_sections.
15664 Don't clear have_location_lists.
15666 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15667 Jan Hubicka <jh@suse.cz>
15669 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15670 case of conditional jump jumping to the next instruction.
15671 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15672 cases of conditional jump jumping to the next instruction.
15674 2006-01-02 Jan Hubicka <jh@suse.cz>
15676 * i386.c (*_cost): Add COSTS_N_INSNS.
15677 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15679 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15682 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15684 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15686 * config/arm/arm.c (all_fpus): Fix comment typo.
15687 * config/darwin.c: Likewise.
15688 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15689 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15690 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15692 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15694 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15695 (rs6000_split_compare_and_swapqhi): New.
15696 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15697 (sync_compare_and_swapqhi_internal): New.
15698 * config/rs6000/rs6000-protos.h: Declare.