1 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3 * config/avr/predicates.md: New file.
4 * config/avr/avr.md: Include it.
5 (REG_SP): New constant.
6 (peepholes): Use predicates.
7 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
8 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
9 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
11 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
13 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
16 2006-10-10 Jakub Jelinek <jakub@redhat.com>
19 * builtins.c (var_decl_component_p): New function.
20 (fold_builtin_memset, fold_builtin_memory_op): Restrict
21 single entry optimization to variables and components thereof.
23 2006-10-10 Richard Guenther <rguenther@suse.de>
25 PR rtl-optimization/29323
26 * except.c (set_nothrow_function_flags): For functions
27 that do not bind local bail out early.
29 2006-10-10 Ben Elliston <bje@au.ibm.com>
31 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
34 2006-10-09 Richard Henderson <rth@redhat.com>
38 2006-10-09 Richard Guenther <rguenther@suse.de>
41 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
44 2006-10-09 Steve Ellcey <sje@cup.hp.com>
47 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
48 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
49 * configure: Regenerate.
50 * config.in: Regenerate.
52 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
54 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
56 2006-10-08 Richard Sandiford <richard@codesourcery.com>
58 * config/mips/mips.c (mips_legitimize_tls_address): Implement
59 all TLS models in the same way as local exec if !TARGET_ABICALLS.
62 2006-10-08 Richard Sandiford <richard@codesourcery.com>
64 * config/mips/mips.c (mips_classify_symbol): Do not return
65 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
66 (mips_in_small_data_p): Tweak comments.
68 2006-10-08 Richard Sandiford <richard@codesourcery.com>
70 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
72 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
74 * gimplify.c, sched-int.h: Fix comment typos.
76 * sched-int.h: Fix comment typos.
78 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
80 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
82 * sched-ebb.c (begin_schedule_ready): Use them.
83 * haifa-sched.c (schedule_insn, move_insn, try_ready,
84 add_to_speculative_block, create_check_block_twin, speculate_insn,
85 fix_jump_move, move_block_after_check): Ditto.
86 * sched-rgn.c (new_ready): Ditto.
88 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
90 PR rtl-optimization/29128
91 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
92 * sched-ebb.c (advance_target_bb): Use it to fix condition to
93 allow interblock movement of speculation checks.
95 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
98 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
99 casted to integer type.
100 (get_address_cost): Decrease cost of [symbol + index] addressing modes
101 if they are significantly more expensive than [reg + index] ones.
103 2006-10-06 Jakub Jelinek <jakub@redhat.com>
105 PR tree-optimization/29330
106 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
107 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
108 on newly allocated ddrs.
109 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
110 to VEC (loop_p, heap) pointer.
111 (compute_data_dependences_for_loop): Adjust caller.
112 (free_dependence_relations): Free DDR_LOOP_NEST.
114 * tree-loop-linear.c (linear_transform_loops): Don't forget to
115 free DEPENDENCE_RELATIONS and DATAREFS.
118 * builtins.c (expand_builtin_sync_operation,
119 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
120 Use convert_to_mode to handle promoted arguments.
122 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
124 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
126 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
128 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
130 2006-10-05 Uros Bizjak <uros@kss-loka.si>
132 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
133 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
134 Use <modeconstraint> instead of "r" as operand 1 constraint.
136 2006-10-06 Olivier Hainque <hainque@adacore.com>
138 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
139 Don't recurse on the pointed-to type.
140 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
141 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
142 types with components of variable size.
144 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
146 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
148 2006-10-06 Jakub Jelinek <jakub@redhat.com>
150 PR tree-optimization/29290
151 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
155 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
156 * config/i386/predicates.md (local_symbolic_operand): Likewise.
159 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
160 the number of vector elements fill the rest with zeros.
162 2006-10-05 Richard Sandiford <richard@codesourcery.com>
164 * config/mips/mips.c (mips_pass_by_reference): Do not return false
165 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
168 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
170 * config/bfin/bfin.md (subsi3): Lose expander, change previously
171 unnamed pattern into subsi3. Use correct constraints/predicates.
172 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
173 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
175 2006-10-05 Ira Rosen <irar@il.ibm.com>
177 * doc/loop.texi: Add data references analysis description.
179 2006-10-04 Brooks Moses <bmoses@stanford.edu>
181 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
183 2006-10-04 Richard Henderson <rth@redhat.com>
184 Jakub Jelinek <jakub@redhat.com>
186 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
187 * builtin-types.def (BT_WORD): Make unsigned.
188 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
189 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
190 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
191 * c-decl.c (grokdeclarator): Don't error if !have_tls.
192 * c-parser.c (c_parser_omp_threadprivate): Likewise.
193 * cgraph.c (decide_is_variable_needed): Look at force_output.
194 Recurse for emulated tls.
195 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
196 checks redundant with decide_is_variable_needed.
197 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
198 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
200 * expr.c (emutls_var_address): New.
201 (expand_expr_real_1): Expand emulated tls.
202 (expand_expr_addr_expr_1): Likewise.
203 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
204 * output.h (emutls_finish): Declare.
205 * toplev.c (compile_file): Call it.
206 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
207 address before wrapping in CONST.
208 * varasm.c (emutls_htab, emutls_object_type): New.
209 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
210 (get_emutls_object_name, get_emutls_object_type): New.
211 (get_emutls_init_templ_addr, emutls_decl): New.
212 (emutls_common_1, emutls_finish): New.
213 (assemble_variable): When emulating tls, swap decls; generate
214 constructor for the emutls objects.
215 (do_assemble_alias): When emulating tls, swap decl and target name.
216 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
218 * emutls.c: New file.
219 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
220 tls_object for real tls.
222 2006-10-04 Zack Weinberg <zackw@panix.com>
224 Fix bug in constraint-check generator, reported by Rask Ingemann
226 * genpreds.c (add_constraint): Don't remove anything from the
228 (write_tm_constrs_h): Detect whether "op" argument is used, and
229 mark it ARG_UNUSED if it isn't.
230 (write_insn_const_int_ok_for_constraint): Skip the part of the
231 expression that would test whether "op" (which is not available
232 here) is a CONST_INT.
234 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
237 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
239 2006-10-03 Geoffrey Keating <geoffk@apple.com>
241 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
242 current Leopard versions.
243 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
245 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
247 * doc/install.texi: Fix typos.
249 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
251 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
252 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
253 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
255 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
257 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
258 arg to be struct mach_header_64* instead.
260 2006-10-02 Jakub Jelinek <jakub@redhat.com>
263 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
264 side effects after the outer expression's post side effects.
266 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
268 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
269 comments to reflect actual behavior and relationship between
270 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
272 * doc/c-tree.texi (Working with declarations): Fix documentation
273 of FIELD_DECL likewise.
275 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
278 * doc/extend.texi: Add used variable attribute description.
280 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
283 * c.opt (Woverride-init): New.
284 * c-opts.c (c_common_post_options): Default warn_override_init to
286 * c-typeck.c (add_pending_init, output_init_element): Warn for
287 overriding initializers without side effects.
288 * doc/invoke.texi (-Woverride-init): Document.
291 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
293 PR rtl-optimization/28096
294 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
295 assignment has already been used as a destination earlier in the block.
297 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
299 * builtins.c (expand_builtin_setjmp): Delete.
300 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
301 <BUILT_IN_SETJMP_SETUP>: New case.
302 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
303 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
304 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
305 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
306 (BUILT_IN_SETJMP_RECEIVER): Likewise.
307 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
308 (lower_function_body): Initialize it to false. If it is set to true
309 at the end of the processing, emit the setjmp dispatcher.
310 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
311 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
312 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
313 on the rhs of the assignment.
314 (lower_builtin_setjmp): New function.
315 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
316 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
317 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
318 to detect calls that can go to non-local labels. Use specific
319 helper to create the abnormal edges associated with them.
320 <MODIFY_EXPR>: Likewise.
321 (make_abnormal_goto_edges): New function extracted from...
322 (make_goto_expr_edges): ...here. Call it for computed gotos.
323 (simple_goto_p): Minor tweak.
324 (tree_can_make_abnormal_goto): New predicate.
325 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
326 (tree_purge_dead_abnormal_call_edges): New function.
327 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
328 (tree_purge_dead_abnormal_call_edges): Likewise.
329 (make_abnormal_goto_edges): Likewise.
330 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
331 Purge all dead abnormal edges if the call was in the last statement.
332 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
333 (execute_fixup_cfg): If there are non-local labels in the function,
334 scan the basic blocks and split them at calls that can go to non-local
335 labels or add missing abnormal call edges. Write down the CFG in the
337 (pass_fixup_cfg): Remove TODO_dump_func flag.
338 * unwind-sjlj.c: Poison setjmp.
339 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
340 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
341 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
342 (DONT_USE_BUILTIN_SETJMP): Document it.
344 2006-09-28 Geoffrey Keating <geoffk@apple.com>
347 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
348 to 1 when __ppc64__ is defined.
349 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
351 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
353 2006-09-28 Steve Ellcey <sje@cup.hp.com>
355 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
356 * config/ia64/unwind-hpux.c: Delete.
358 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
360 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
361 on the element before gimplifying it, instead of punting if it is of
364 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
366 * doc/loop.texi: New file.
367 * doc/gccint.texi: Reference loop.texi.
368 * Makefile.in (loop.texi): Add.
370 2006-09-27 Geoffrey Keating <geoffk@apple.com>
372 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
374 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
375 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
377 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
379 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
381 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
383 * doc/install.texi: Document required versions of GMP and MPFR.
385 2006-09-27 Paul Brook <paul@codesourcery.com>
388 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
390 2006-09-27 Richard Sandiford <richard@codesourcery.com>
392 * reload1.c (alter_reg): Require the alignment of the stack slot to
393 be at least reg_max_ref_width bytes.
394 (scan_paradoxical_subregs): Record the largest width in
397 2006-09-26 Jakub Jelinek <jakub@redhat.com>
401 * tree-nested.c (struct nesting_info): Added static_chain_added.
402 (convert_call_expr): Set static_chain_added when adding static
403 chain. Handle OMP_PARALLEL and OMP_SECTION.
405 2006-09-25 Matthias Klose <doko@debian.org>
407 * doc/invoke.texi: Add missing full stop.
409 2006-09-25 Richard Henderson <rth@redhat.com>
411 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
412 before cgraph_function_flags_ready.
414 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
415 Adam Nemet <anemet@caviumnetworks.com>
417 * tree-ssa-loop-ivopts.c (aff_combination_convert,
418 determine_common_wider_type): New functions.
419 (get_computation_aff): Use them to simplify arithmetic between
420 UBASE and CBASE if they are shortened from the same type.
422 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
425 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
426 -2147483647 - 1 instead of 0x80000000.
428 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
430 * flags.h (HONOR_NANS): Fix typo in comment.
432 2006-09-23 Uros Bizjak <uros@kss-loka.si>
434 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
436 2006-09-23 Jakub Jelinek <jakub@redhat.com>
440 * tree.c (merge_attributes, attribute_list_contained): If both
441 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
443 * c-typeck.c (comptypes_internal): Don't consider aggregates
444 in different TUs as compatible if there one set of attributes is
445 not a subset of the other type's attributes.
446 (composite_type): Try harder not to create a new aggregate type.
448 2006-09-22 Geoffrey Keating <geoffk@apple.com>
450 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
451 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
452 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
453 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
454 than replicating condition above.
455 * config.host (i[34567]86-*-*): Always use driver-i386.o.
457 * config/darwin.h (LINK_SYSROOT_SPEC): New.
458 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
459 the linker by default.
461 2006-09-22 Mike Stump <mrs@apple.com>
463 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
466 2006-09-22 Richard Guenther <rguenther@suse.de>
469 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
470 sort of stack variables stable.
472 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
475 * explow.c (force_reg): Set REG_POINTER flag according to
478 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
480 PR tree-optimization/28888
481 * tree-if-conv.c (combine_blocks): Rewritten.
482 * tree-cfg.c (tree_verify_flow_info): Check that edges with
483 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
485 2006-09-22 Jakub Jelinek <jakub@redhat.com>
487 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
490 2006-09-21 Richard Sandiford <richard@codesourcery.com>
492 * varasm.c (copy_constant): Fix reversed gcc_assert check.
494 2006-09-21 Janis Johnson <janis187@us.ibm.com>
496 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
498 2006-09-21 Roger Sayle <roger@eyesopen.com>
501 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
502 dw_fde_current_label, to be the start of the function, i.e. the same
503 value as dw_fde_begin.
505 2006-09-20 Richard Sandiford <richard@codesourcery.com>
507 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
508 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
509 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
510 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
511 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
512 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
513 (abs<mode>2, neg<mode>2): Likewise.
514 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
515 (*mips_abs_ps): New define_insn.
517 2006-09-20 Josh Conner <jconner@apple.com>
520 * calls.c (expand_call): Allow reuse of structure return stack
523 2006-09-20 Paul Brook <paul@codesourcery.com>
525 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
528 2006-09-20 Janis Johnson <janis187@us.ibm.com>
530 * doc/extend.texi (Decimal Float): Update for latest draft TR,
531 clean up terminology.
533 2006-09-20 Steve Ellcey <sje@cup.hp.com>
536 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
537 with tablejumps in them.
539 2006-09-20 Jakub Jelinek <jakub@redhat.com>
542 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
543 wrap it into TARGET_EXPR.
545 2006-09-20 Eric Christopher <echristo@apple.com>
547 * config/i386/i386.c (x86_fisttp): Remove.
548 * config/i386/i386.h (x86_fisttp): Ditto.
549 (TARGET_FISTTP): Ditto.
551 2006-09-19 Eric Christopher <echristo@apple.com>
553 * doc/tm.texi (OBJC_JBLEN): Describe.
554 * config/i386/darwin.h (OBJC_JBLEN): Define.
555 * config/rs6000/darwin.h: Ditto.
557 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
559 PR rtl-optimization/21299
560 * reload1.c (reload): Purge invalid ASMs in the final pass.
562 2006-09-19 Steve Ellcey <sje@cup.hp.com>
565 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
566 pointers as legitimate constants.
568 2006-09-19 Paul Brook <paul@codesourcery.com>
571 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
573 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
575 PR tree-optimization/28887
576 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
577 component parts from the reference.
578 (gather_memory_references_ref): Record the reference without the
579 nonaddressable component parts.
581 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
584 * c-opts.c (c_common_handle_option): Ignore the -std options
585 if the input language is assembly.
587 2006-09-17 Ira Rosen <irar@il.ibm.com>
590 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
592 (ptr_ptr_may_alias_p): Likewise.
593 (record_record_differ_p): New function.
594 (base_object_differ_p): Call record_record_differ_p.
596 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
599 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
600 away for the expr argument.
602 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
605 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
606 before using it for dumping after vectorizing loops.
608 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
609 Jack Howarth <howarth@bromo.med.uc.edu>
612 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
613 skip on error_mark_node.
614 (rs6000_darwin64_record_arg_recurse): Likewise.
616 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
618 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
619 * doc/rtl.texi: Remove related documentation.
621 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
623 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
626 2006-09-15 Jim Wilson <wilson@specifix.com>
628 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
629 Handle symbol offsets same as they are handled in ia64_expand_move
632 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
634 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
635 Add forgotten parameter to the fprintf call.
637 2006-09-15 Steve Ellcey <sje@cup.hp.com>
639 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
641 2006-09-15 Uros Bizjak <uros@kss-loka.si>
643 * doc/contrib.texi: Add my entry.
645 2006-09-15 Nick Clifton <nickc@redhat.com>
647 * doc/md.texi (Processor pipeline description): Fix typo in
648 example of how to use the absence_set directive and reword the
649 description to make it slightly easier to read.
651 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
653 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
654 * loop-doloop.c (doloop_optimize): Use it to limit costs of
655 expanding the number of iterations.
656 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
658 * cfgrtl.c (emit_insn_at_entry): New function.
659 * rtl.h (emit_insn_at_entry): Declare it.
660 * integrate.c (emit_initial_value_sets): Use it.
662 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
664 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
666 (struct loop_work and related VEC declarations): Delete.
667 (bfin_dump_loops): Print out new member bad.
668 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
669 (bfin_scan_loop): Don't recurse.
670 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
671 loops. No longer need to update outer loops if the current one is
672 found bad. Move some validitiy checks to bfin_discover_loop.
673 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
674 but changed not to check for nesting. Also changed to use the new bad
676 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
677 time. Use bitmap based test to discover loop nesting.
679 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
681 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
684 2006-09-14 Richard Guenther <rguenther@suse.de>
685 Kazu Hirata <kazu@codesourcery.com>
688 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
689 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
690 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
691 with TARGET_FUNCTION_VALUE.
693 2006-09-14 Anatoly Sokolov <aesok@post.ru>
696 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
698 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
700 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
703 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
706 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
709 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
711 * basic_block.h (bb_has_eh_pred): Fix comment.
713 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
715 * flow.c (calculate_global_regs_live): Invalidate eh registers
716 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
717 (propagate_block): Handle eh registers as if they were set at basic
719 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
721 * global.c (global_conflicts): Make eh registers to conflict with
722 pseudos live at basic block begin.
723 * basic_block.h (bb_has_eh_pred): New function.
725 2006-09-13 Richard Sandiford <richard@codesourcery.com>
727 PR rtl-optimization/28982
728 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
729 index of a PRE_MODIFY or POST_MODIFY address.
730 * reload1.c (inc_for_reload): Use find_replacement on the original
731 base and index registers.
733 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
735 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
736 for -Os. Update __m128 alignment requirement.
738 2006-09-13 Jan Hubicka <jh@suse.cz>
740 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
742 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
744 PR rtl-optimization/28243
745 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
746 the insn to which the note was originally attached.
748 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
749 Roger Sayle <roger@eyesopen.com>
751 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
752 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
753 on platforms that don't use dwarf for debug info.
755 2006-09-12 Jason Merrill <jason@redhat.com>
758 * builtins.c (expand_builtin_setjmp_receiver): Clobber
759 hard_frame_pointer_rtx after using it to update the frame pointer.
761 2006-09-12 Roger Sayle <roger@eyesopen.com>
763 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
764 (TARGET_ASM_CLOSE_PAREN): Likewise.
765 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
766 (TARGET_ASM_CLOSE_PAREN): Likewise.
768 2006-09-12 Roger Sayle <roger@eyesopen.com>
771 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
772 frame information for frames larger than 512 Kbytes on Tru64 when
773 using the native assembler.
775 2006-09-12 Roger Sayle <roger@eyesopen.com>
779 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
780 and symbols. Instead use the implementation from cse.c's hash_rtx.
782 2006-09-12 Jan Hubicka <jh@suse.cz>
784 PR rtl-optimization/28071
785 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
786 (vect_transform_loop): Likewise.
787 * tree-vectorizer.c (new_loop_vec_info): Likewise.
788 (new_loop_vec_info): Likewise.
789 (destroy_loop_vec_info): Likewise.
790 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
791 (create_stmt_ann): Likewise.
792 (create_tree_ann): Rename to ...
793 (create_tree_common_ann): ... this one; allocate only the common part
795 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
796 (get_value_handle): Likewise.
797 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
799 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
800 (vinfo_for_stmt): Use stmt annotations.
801 * tree-flow.h (tree_ann_common_t): New type.
802 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
803 (tree_ann, get_tree_ann, create_tree_ann): New.
804 * tree-flow-inline.h (get_function_ann): Do more type checking.
805 (stmt_ann): Likewise.
806 (tree_ann): Rename to ...
807 (tree_common_ann): ... this one; return ony common_ann
808 (get_tree_ann): Rename to ...
809 (tree_common_ann): This one; return only common_ann.
810 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
813 2006-09-11 Geoffrey Keating <geoffk@apple.com>
815 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
818 * dwarf2out.c (dwarf_file_data): New.
819 (enum dw_val_class): Add dw_val_class_file.
820 (struct dw_val_struct): Add val_file.
821 (file_table): Change to a hash table.
822 (file_table_emitted): Delete.
823 (file_table_last_lookup_index): Delete.
825 (last_emitted_file): New.
826 (lookup_filename): Change prototype to return a struct dwarf_file_data.
827 (init_file_table): Delete.
828 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
829 (AT_addr): Add comment.
833 (print_die): Handle dw_val_class_file.
834 (print_dwarf_line_table): Update for new file table structure.
835 (attr_checksum): Do checksum a filename.
836 (same_dw_val_p, same_attr_p): Do compare a filename.
837 (size_of_die): Handle dw_val_class_file.
838 (value_format): Likewise.
839 (output_die): Likewise. Also, call maybe_emit_file here.
840 (struct file_info): Constify filenames. Make file_idx a pointer
841 to a struct dwarf_file_data.
842 (struct dir_info): Constify directory names. Remove 'used' field.
843 (struct file_name_acquire_data): New.
844 (file_name_acquire): New.
845 (output_file_names): Modify to handle new file data structures.
846 (add_src_coords_attributes): Use add_AT_file.
847 (add_call_src_coords_attributes): Likewise.
848 (dwarf2out_imported_module_or_decl): Likewise.
849 (gen_subprogram_die): Modify for new file data structures.
850 (gen_variable_die): Likewise.
851 (file_table_eq): New.
852 (file_table_hash): New.
853 (file_table_last_lookup): New.
854 (lookup_filename): Rewrite to handle new file data structures.
855 (maybe_emit_file): Rewrite to handle new file data structures.
856 (dwarf2out_source_line): Always call lookup_filename and
858 (dwarf2out_init): Create file_table here.
859 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
860 (file_table_relative_p): New.
861 (dwarf2out_finish): Change detection of relative filenames
862 to work with new file data structures. Move output_line_info call
863 after debug_info output.
865 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
870 * config/i386/i386.c (override_options): Always default to 16
873 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
876 * var-tracking.c (dump_dataflow_set): Start dumping at
878 (clobber_variable_part): Kill only the variable part in
879 registers holding it, leaving other variables alone.
881 2006-09-11 Josh Triplett <josh@freedesktop.org>
883 * doc/extend.texi (Other Builtins): Actually use the macro
884 argument in the documentation example for
885 __builtin_types_compatible_p.
887 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
889 PR rtl-optimization/28726
890 * sched-deps.c (sched_analyze_reg): New function extracted from...
891 (sched_analyze_1): ...here. Call it to analyze references to
892 registers. Treat again writes to a stack register as writing to the
894 (sched_analyze_2): ...and here. Call it to analyze references to
895 registers. Treat again reads of a stack register as reading the
898 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
899 David Edelsohn <edelsohn@gnu.org>
902 * config/rs6000/spe.md (frob_df_di): Remove %H.
903 (frob_di_df): Remove %H. Change evmergelo to mr.
904 (frob_di_df_2): Remove %H. Change evldd to two loads.
906 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
908 * doc/cpp.texi: Fix names of charset options.
910 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
913 * config/i386/i386.c (override_options): Use 128-bit
914 stack boundary always for 64bits.
916 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
918 PR rtl-optimization/28636
919 * combine.c (force_to_mode): Test for side-effects before
920 substituting by zero.
921 (simplify_shift_const): Likewise for zero or other constants.
923 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
926 * builtins.c (expand_builtin_setjmp): Force next_lab to be
929 2006-09-10 Richard Sandiford <richard@codesourcery.com>
932 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
933 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
934 returned by mode_for_size, rather than the mode of src itself,
935 to choose between 32-bit and 64-bit patterns.
936 (mips_mem_fits_mode_p): New function.
937 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
938 that the size of the source matches the size of the destination.
939 (mov_<store>l, mov_<store>r): Likewise.
941 2006-09-10 Eric Christopher <echristo@apple.com>
943 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
946 2006-09-09 Eric Christopher <echristo@apple.com>
949 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
952 2006-09-09 Roger Sayle <roger@eyesopen.com>
953 Nicolas Setton <setton@adacore.com>
955 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
957 2006-09-10 Andreas Schwab <schwab@suse.de>
959 * config/m68k/m68k.md (bungt_rev): New pattern.
961 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
962 Dale Johannesen <dalej@apple.com>
965 * regclass.c (struct reg_pref): Update documentation.
966 (regclass): Set prefclass to NO_REGS if memory is the best option.
967 (record_reg_classes): Cope with a prefclass set to NO_REGS.
969 2006-09-08 Eric Christopher <echristo@apple.com>
971 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
972 * config/t-slibgcc-darwin: Support x86_64 multilib.
973 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
974 Return 1 for x86_64-darwin.
975 * config/i386/t-darwin: Add m64 multilib.
976 (LIB2_SIDITI_CONV_FUNCS): Use.
977 (LIB2FUNCS_EXTRA): Ditto.
978 * config/i386/darwin.h: Support x86_64.
979 * config/i386/i386.c (override_options): Turn on flag_pic
980 for x86_64-darwin. Disable flag_omit_pointer.
981 (get_pc_thunk_name): Assert !TARGET_64BIT.
982 (legitimate_address_p): Disable machopic addressing for
984 (legitimize_pic_address): Ditto.
985 (ix86_expand_move): Ditto.
986 (ix86_expand_call): Ditto.
987 (machopic_output_stub): Ditto.
988 * config/darwin.c (machopic_select_section): Support literal16.
989 (machopic_select_rtx_section): Ditto.
990 * config/darwin-sections.def: Ditto.
991 * config/darwin-64.c: New.
993 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
996 * c-tree.h (struct c_arg_info): Add pending_sizes.
997 * c-parser.c (c_parser_parms_declarator,
998 c_parser_parms_list_declarator): Initialize pending_sizes.
999 * c-decl.c (get_parm_info): Initialize pending_sizes.
1000 (get_parm_info): Set pending_sizes.
1001 (grokdeclarator): Call put_pending_sizes for parameters for
1002 function definition only.
1004 2006-09-07 Jason Merrill <jason@redhat.com>
1007 * varasm.c (output_constant): Only strip actual no-op conversions.
1010 * config/i386/i386.c (override_options): Use 128-bit
1011 stack boundary if -msse.
1013 2006-09-07 Eric Christopher <echristo@apple.com>
1015 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1017 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1020 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1022 * dwarf2out.c: Remove strange characters from comment above
1023 dwarf2out_frame_debug_expr.
1025 2006-09-07 Eric Christopher <echristo@apple.com>
1027 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1028 * config/darwin.h: ... to here.
1030 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1032 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1034 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1035 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1037 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1038 TARGET_PARTIAL_FLAG_REG_STALL.
1039 (*ashldi3_cconly_rex64): Likewise.
1040 (*ashlsi3_cmp): Likewise.
1041 (*ashlsi3_cconly): Likewise.
1042 (*ashlsi3_cmp_zext): Likewise.
1043 (*ashlhi3_cmp): Likewise.
1044 (*ashlhi3_cconly): Likewise.
1045 (*ashlqi3_cmp): Likewise.
1046 (*ashlqi3_cconly): Likewise.
1047 (*ashrdi3_cmp_rex64): Likewise.
1048 (*ashrdi3_cconly_rex64): Likewise.
1049 (*ashrsi3_cmp): Likewise.
1050 (*ashrsi3_cconly): Likewise.
1051 (*ashrsi3_cmp_zext): Likewise.
1052 (*ashrhi3_cmp): Likewise.
1053 (*ashrhi3_cconly): Likewise.
1054 (*ashrqi3_cmp): Likewise.
1055 (*ashrqi3_cconly): Likewise.
1056 (*lshrdi3_cmp_rex64): Likewise.
1057 (*lshrdi3_cconly_rex64): Likewise.
1058 (*lshrsi3_cmp): Likewise.
1059 (*lshrsi3_cconly): Likewise.
1060 (*lshrsi3_cmp_zext): Likewise.
1061 (*lshrhi3_cmp): Likewise.
1062 (*lshrhi3_cconly): Likewise.
1063 (*lshrqi2_cmp): Likewise.
1064 (*lshrqi2_cconly): Likewise.
1066 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1069 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1070 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1071 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1072 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1073 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1074 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1075 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1076 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1077 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1078 implement only CC setting effects of shift instructions.
1080 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1082 * doc/contrib.texi: Add myself.
1084 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1087 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1088 was set by the user.
1090 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1093 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1094 (divsi_inv_m1): Use them.
1095 (UNSPEC_DIV_INV_TABLE): New constant.
1097 2006-09-06 James E Wilson <wilson@specifix.com>
1100 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1101 then call count_or_remove_death_notes.
1103 2006-09-06 Jason Merrill <jason@redhat.com>
1106 * tree-inline.c (copy_result_decl_to_var): New fn.
1107 (declare_return_variable): Use it. Call declare_inline_vars here.
1108 (expand_call_inline): Not here.
1110 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1112 * doc/contrib.texi: Update my entry.
1114 2006-09-06 Nick Clifton <nickc@redhat.com>
1116 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1118 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1121 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1122 (canonicalize_induction_variables): Likewise.
1123 (tree_unroll_loops_completely): Likewise.
1124 (tree_ssa_prefetch_arrays): Likewise.
1125 (remove_empty_loops): Likewise.
1126 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1127 TODO_cleanup_cfg instead of directly calling
1128 cleanup_tree_cfg_loop.
1129 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1131 (tree_unroll_loops_completely): Likewise.
1132 (remove_empty_loops): Likewise.
1133 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1134 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1135 of tree_ssa_unswitch_loops.
1136 (tree_ssa_loop_ivcanon): Use the return value of
1137 canonicalize_induction_variables.
1138 (tree_ssa_empty_loop): Use the return value of
1140 (tree_complete_unroll): Use the return value of
1141 tree_unroll_loops_completely.
1142 (tree_ssa_loop_prefetch): Use the return value of
1143 tree_ssa_prefetch_arrays.
1144 * passes.c (execute_todo): Before Cleanup CFG, set
1145 updating_used_alone and after cleanup CFG, call
1146 recalculate_used_alone.
1148 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1151 * tree-vect-transform.c (vectorizable_condition): Move the check
1152 for the type after the check for simple condition.
1154 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1155 Kaz Kojima <kkojima@gcc.gnu.org>
1158 * mode-switching.c (optimize_mode_switching): Make the destination
1159 block of an abnormal edge have no anticipatable mode. Don't
1160 insert mode switching code at the end of the source block of
1163 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1165 PR rtl-optimization/26847
1166 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1167 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1168 (simplify_plus_minus): Count n_constants while filling ops. Replace
1169 qsort with insertion sort. Before going through the array to simplify
1170 pairs, sort it. Delay early exit until after the first sort, exiting
1171 only if no swaps occurred. Simplify pairs in reversed order, without
1172 special-casing the first iteration. Pack ops after simplifying pairs.
1174 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1176 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1177 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1178 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1179 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1181 2006-09-05 Richard Guenther <rguenther@suse.de>
1183 PR tree-optimization/28900
1184 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1185 compound conditional before creating COND_EXPR condition.
1187 2006-09-05 Richard Guenther <rguenther@suse.de>
1189 PR tree-optimization/28905
1190 * tree-vrp.c (fix_equivalence_set): Manually implement
1191 !value_ranges_intersect_p to also handle symbolic ranges.
1193 2006-09-05 Richard Guenther <rguenther@suse.de>
1196 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1199 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1201 PR rtl-optimization/27616
1202 * cse.c (table_size): New static variable.
1203 (new_basic_block): Initialize it to 0.
1204 (remove_from_table): Decrement it.
1205 (insert): Increment it.
1206 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1207 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1208 fold_rtx_mem_1 if under the cap.
1209 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1210 the lookup of the equivalent expression and test for equality of the
1211 first operand of the equivalent expression before in turn looking up
1212 an equivalent constant for the second operand.
1214 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1217 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1218 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1219 pointer, instead of assuming it is possible to derive the
1220 correct args size from a call insn.
1222 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1225 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1226 (fold_builtin_mempcpy): Rename to...
1227 (fold_builtin_memory_op): ... this. Optimize one element copy
1229 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1231 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1232 (expand_builtin_memcpy, expand_builtin_mempcpy,
1233 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1234 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1235 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1236 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1238 2006-09-01 DJ Delorie <dj@redhat.com>
1240 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1241 (stzx_16): Likewise.
1242 ("stzx_24_<mode>"): Likewise.
1243 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1244 ("cmp<mode>_op"): New.
1245 (cmp<mode>): Change to expander; just save operands.
1247 (b<code>): Change to expander, emit compare here.
1248 (s<code>_op): Change to use split and expander.
1249 (s<code>_24_op): Likewise.
1250 (s<code>_<mode>): New.
1251 (s<code>_<mode>_24): New.
1252 (movqicc_<code>_<mode): New.
1253 (movhicc_<code>_<mode>): New.
1256 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1257 (m32c_pend_compare): New.
1258 (m32c_unpend_compare): New.
1259 (m32c_expand_scc): New.
1260 (m32c_expand_movcc): Emit the compare also.
1261 * config/m32c/predicates.md (mra_nopp_operand): New.
1263 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1264 Richard Guenther <rguenther@suse.de>
1265 Adam Nemet <anemet@caviumnetworks.com>
1268 * builtins.c (get_pointer_alignment): Handle more forms
1269 of base addresses that can be used to derive more precise
1270 information about alignment.
1272 2006-09-01 Jason Merrill <jason@redhat.com>
1275 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1278 * gimplify.c (voidify_wrapper_expr): Handle null type.
1280 2006-09-01 Josh Conner <jconner@apple.com>
1283 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1284 (execute_return_slot_opt): Use it.
1286 2006-08-31 Josh Conner <jconner@apple.com>
1289 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1290 returning aggregates.
1292 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1294 PR tree-optimization/28839
1295 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1296 blocks in that phi arguments appear.
1298 2006-08-31 Roger Sayle <roger@eyesopen.com>
1301 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1302 NULL, otherwise use an advance_loc4 to adjust relative to the
1304 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1305 (dwarf2out_switch_text_section): Reset the current label to avoid
1306 using advance_loc4 over section boundaries.
1308 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1311 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1312 r12 + SYMBOLIC_CONST.
1314 2006-08-30 Richard Guenther <rguenther@suse.de>
1316 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1318 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1320 PR rtl-optimization/27735
1321 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1322 Add new argument to keep track of whether an irreducible region
1323 was affected. All callers changed.
1324 (fix_irreducible_loops): Removed.
1325 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1326 flags were invalidated.
1328 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1330 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1331 instead of SF operands.
1332 (*fop_df_comm_sse): Likewise.
1333 (*fop_df_comm_i387): Likewise.
1334 (*fop_df_1_mixed): Likewise.
1335 (*fop_df_1_sse): Likewise.
1337 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1338 J"orn Rennecke <joern.rennecke@st.com>
1340 PR tree-optimization/17506
1341 * tree-ssa.c (warn_uninit): If warning about a location outside of
1342 the current function, note where the variable was declared.
1344 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1346 PR tree-optimization/28411
1347 * double-int.c (double_int_div): Use double_int_divmod.
1348 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1349 double_int_mod, double_int_smod, double_int_umod): New functions.
1350 * double-int.h (double_int_divmod, double_int_sdivmod,
1351 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1353 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1355 (get_computation_aff, get_computation_cost_at): Handle double_int
1356 return type of constant_multiple_of.
1358 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1361 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1362 an implicit conversion.
1364 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1366 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1368 2006-08-27 Roger Sayle <roger@eyesopen.com>
1370 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1373 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1375 * config/i386/crtfastmath.c: Fix a comment typo.
1377 2006-08-26 Roger Sayle <roger@eyesopen.com>
1379 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1380 temporary visit flags on CASE_LABEL_EXPRs.
1381 * c-common.c (match_case_to_enum): Add function comment. Avoid
1382 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1383 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1384 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1385 a constant, only warn if that constant value isn't handled.
1387 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1390 * input.h (restore_input_file_stack): Declare.
1391 (INPUT_FILE_STACK_BITS): Define.
1392 * toplev.c (fs_p, input_file_stack_history,
1393 input_file_stack_restored, restore_input_file_stack): New.
1394 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1395 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1396 (pop_srcloc): Don't free old state of stack.
1398 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1401 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1402 (PowerPC Type Attributes): New.
1404 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1406 * config/xtensa/xtensa.c (function_arg_boundary): New.
1407 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1409 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1410 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1412 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1415 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1418 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1420 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1421 (verify_local_live_at_start): Likewise.
1423 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1426 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1427 omp_add_variable): Treat sizes as variable whenever not
1430 2006-08-26 Richard Guenther <rguenther@suse.de>
1433 * fold-const.c (fold_binary): Fold temporary to correct
1434 type before constructing new comparison.
1436 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1439 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1440 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1442 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1445 * c-decl.c (start_function): Don't try to process prototype
1446 information from old declaration that isn't a function.
1448 2006-08-25 Jan Hubicka <jh@suse.cz>
1451 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1453 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1456 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1459 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1461 PR tree-optimization/16876
1462 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1463 exit if PARM doesn't match VALUE.
1465 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1467 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1468 literal_prefix directive.
1469 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1470 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1471 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1473 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1476 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1477 predicate to general_operand. Add 0->y and I->r alternatives.
1479 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1481 * doc/tm.texi: Fix a typo.
1482 * predict.c: Fix comment typos.
1484 2006-08-25 Nick Clifton <nickc@redhat.com>
1486 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1487 assertions of "cpu" and "machine".
1489 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1492 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1493 the access through a base which has an alias set of 0 cannot
1496 2006-08-24 Bill Wendling <wendling@apple.com>
1498 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1500 2006-08-24 Jan Hubicka <jh@suse.cz>
1502 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1504 2006-08-24 Jan Hubicka <jh@suse.cz>
1507 * cgraph.c: Fix comments.
1508 (cgraph_varpool_mark_needed_node): Mark only variables not already
1510 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1511 (cgraph_varpool_assembled_nodes_queue): New static variable.
1512 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1513 (cgraph_varpool_output_debug_info): New function.
1514 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1515 * Makefile.in: Add gt-cgraphunit.h
1517 2006-08-24 Jan Hubicka <jh@suse.cz>
1519 * predict.c (probability_reliable_p): New predicate.
1520 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1521 (predict_loops): Do not predict loop exit with less than 2%
1523 * basic-block.h (edge_probability_reliable_p,
1524 br_prob_note_reliable_p): Declare.
1525 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1526 prediction when static predictor is not reliable.
1527 * rs6000.c (output_cbranch): Likewise.
1529 2006-08-23 Stuart Hastings <stuart@apple.com>
1532 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1533 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1535 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1538 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1539 complex values, nor for generic vector values.
1541 2006-08-22 Richard Guenther <rguenther@suse.de>
1544 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1545 parameter. Convert arguments to arithmetic expression to the
1547 (analyze_scalar_evolution_1): Adjust caller.
1549 2006-08-22 Jan Hubicka <jh@suse.cz>
1551 Patch by Paolo Bonzini
1552 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1555 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1557 PR tree-optimization/28003
1558 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1559 before grouping aliases.
1561 2006-08-22 Roger Sayle <roger@eyesopen.com>
1563 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1564 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1566 2006-08-21 Jason Merrill <jason@redhat.com>
1569 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1570 wrapper. Loop to handle nested wrappers.
1571 (gimplify_bind_expr): Remove temp parameter.
1572 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1573 and STATEMENT_LIST on the rhs.
1574 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1575 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1576 (gimplify_target_expr): Remove special BIND_EXPR handling.
1578 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1580 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1583 2006-08-21 Olivier Hainque <hainque@adacore.com>
1585 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1586 Arrange for the temporary captures of components overlapping the lhs
1587 to happen before the lhs is possibly cleared.
1589 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1591 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1592 necessary places to pass the correct "number of registers" values
1595 2006-08-20 Jan Hubicka <jh@suse.cz>
1597 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1598 (create_name_tags): Instead of quadratic checking use hashtable.
1599 * bitmap.h: Include hashtab.h.
1600 (bitmap_hash): Declare.
1601 * bitmap.c (bitmap_hash): New function.
1603 2006-08-20 Jan Hubicka <jh@suse.cz>
1605 PR rtl-optimization/28071
1606 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1608 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1609 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1610 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1611 cgraph_decide_inlining_incrementally): Update use of
1612 cgraph_check_inline_limits.
1613 * cgraph.c (edge_hash, edge_eq): New function.
1614 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1615 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1616 cgraph_remove_node): Maintain call site hash.
1617 * cgraph.h (struct cgraph_node): Add call_site_hash.
1618 (cgraph_set_call_stmt): New function.
1620 2006-08-20 Jan Hubicka <jh@suse.cz>
1622 PR rtl-optimization/28071
1623 * reload1.c (reg_has_output_reload): Turn into regset.
1624 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1625 choose_reload_regs, emit_reload_insns): Update to new
1626 reg_has_output_reload.
1628 2006-08-20 Jan Hubicka <jh@suse.cz>
1631 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1632 function body sizes.
1633 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1635 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1638 * tree.c (handle_dll_attribute): Return early if not a
1639 var or function decl.
1641 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1644 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1645 alignment of SPE vector types.
1647 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1649 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1651 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1654 * cgraph.h (struct cgraph_node): Remove externally_visible
1656 * cgraphunit.c (process_function_and_variable_attributes): Set
1657 local.externally_visible rather than externally_visible.
1660 * c-common.c (handle_externally_visible_attribute): First look
1661 at TREE_CODE and only if it is function or var decl, check for
1662 non-public objects. Don't warn for DECL_EXTERNAL.
1663 * cgraphunit.c (process_function_and_variable_attributes): Warn
1664 if externally_visible attribute is used on non-public object.
1666 2006-08-17 Jan Hubicka <jh@suse.cz>
1668 PR tree-optimization/27865
1669 * reload1.c (forget_marked_reloads): New function.
1670 (forget_old_reloads_1): When data are passed, just mark the registers
1672 (reload_as_needed): Use the new mechanizm.
1674 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1677 * reload.h (reg_equiv_alt_mem_list): New declaration.
1678 * reload1.c (reg_equiv_alt_mem_list): New definition.
1679 (reload): Initialize it and release it.
1680 (delete_output_reload): Use it.
1681 * reload.c (push_reg_equiv_alt_mem): New function.
1682 (find_reloads_toplev): Call it.
1683 (find_reloads_address, find_reloads_address_1): Likewise.
1684 (find_reloads_subreg_address): Likewise.
1686 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1688 PR rtl-optimization/28489
1689 * sched-ebb.c (begin_schedule_ready): Create basic block
1691 (advance_target_bb): Skip empty blocks.
1692 * haifa-sched.c (bb_note): Make global.
1693 * sched-int.h (bb_note): Add prototype.
1695 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1697 PR tree-optimization/27865
1698 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1700 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1701 fold_used_pointer, pointer_used_p): New functions.
1702 (analyze_scalar_evolution_1): Use fold_used_pointer.
1703 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1704 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1707 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1710 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1711 or the INTEGER_CST. Fail on a CALL_EXPR.
1712 (fold_offsetof): Pass new argument to fold_offsetof_1.
1713 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1714 operand into an INDIRECT_REF.
1715 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1717 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1719 PR gcov/profile/26570
1720 * value-prof.c (static_values): Removed.
1721 (tree_find_values_to_profile): Do not set static_values.
1722 (find_values_to_profile): Do not free static_values.
1723 * profile.c (instrument_values): Do not free the values.
1724 (branch_prob): Free the values.
1726 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1728 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1730 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1733 * c-typeck.c (build_component_ref): Combine qualifiers of
1734 structure or union and field.
1736 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1738 PR rtl-optimization/28071
1739 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1740 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1741 * tree-into-ssa.c (struct dom_dfsnum): New.
1742 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1744 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1745 compute_global_livein.
1746 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1747 in phi nodes in the correct blocks.
1749 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1751 PR tree-optimization/28364
1752 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1754 (fold_affine_expr): New function.
1755 (may_eliminate_iv): Use fold_affine_expr.
1757 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1760 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1763 2006-08-16 Mike Stump <mrs@apple.com>
1765 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1766 * doc/cppopts.texi (-MD): Likewise.
1768 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1771 * c-common.c (handle_weak_attribute): Ignore and warn if
1772 not a FUNCTION_ or VAR_DECL.
1774 2006-07-15 Mike Stump <mrs@apple.com>
1777 * c-parser.c (c_parser_typeof_specifier): Don't use
1778 c_finish_expr_stmt, open code desired semantics instead.
1780 2006-08-15 Nick Clifton <nickc@redhat.com>
1782 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1783 fragment to tmake_file only if threads are enabled.
1784 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1785 * config/i386/t-gthr-win32: New file. ... here.
1787 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1790 * c-parser.c (c_parser_compound_statement_nostart): Reset
1791 parser->error after each statement.
1793 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1796 * omp-low.c (lower_omp_parallel): Convert t to
1797 receiver_decl's type.
1798 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1799 source before comparison.
1802 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1803 to itype in assignment to oldival2.
1805 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1809 * c-typeck.c (build_compound_expr): If the second expression
1810 is an error mark, then just return an error mark instead of
1811 creating a COMPOUND_EXPR.
1813 2006-07-14 Mike Stump <mrs@apple.com>
1815 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1817 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1819 * c-decl.c, var-tracking.c: Fix comment typos.
1821 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1823 PR rtl-optimization/28634
1824 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1825 for floating-point modes unless flag_unsafe_math_optimizations.
1827 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1828 Andrew Pinski <pinskia@physics.uc.edu>
1831 * tree.c (build_array_type): Unify array types with
1832 unspecified index_type.
1833 * c-decl.c (grokdeclarator): Make sure we do not modify a
1834 unified incomplete array type.
1835 * c-typeck.c (store_init_value): Create distinct type before
1836 filling in the index type in an initializer from a compound
1839 * c-decl.c (grokdeclarator): Remove code where we copy the
1842 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1844 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1845 into account for TODO_dump_cgraph.
1846 (TODO_update_ssa_no_phi): Likewise.
1847 (TODO_update_ssa_full_phi): Likewise.
1848 (TODO_update_ssa_only_virtuals): Likewise.
1849 (TODO_remove_unused_locals): Likewise.
1850 (TODO_set_props): Likewise.
1851 (TODO_update_stmt_usage): Likewise.
1853 2006-08-13 Dirk Mueller <dmueller@suse.de>
1855 * c-common.c (strict_aliasing_warning): Fix formatting.
1857 2006-08-13 Matthias Klose <doko@debian.org>
1859 * doc/invoke.texi: Fix spelling errors.
1861 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1863 PR rtl-optimization/23454
1864 * reorg.c (relax_delay_slots): Update comment.
1866 2006-08-11 Richard Guenther <rguenther@suse.de>
1869 * simplify-rtx.c (simplify_const_relational_operation):
1870 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1873 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1875 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1876 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1878 2006-08-10 Paul Brook <paul@codesourcery.com>
1880 * final.c (final_scan_insn): Clear current_insn_predicate before
1881 outputting inline asm.
1883 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1885 PR tree-optimization/26197
1886 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1887 get_ref_base_and_extent and overlap_subvar to add only relevant
1888 subvars as may-aliases.
1889 (add_may_alias_for_new_tag): New function, factored out of
1891 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1892 with additional argument.
1893 * tree-flow.h (new_type_alias): Takes additional argument.
1895 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1897 * gcov.c (no_data_file): New flag.
1898 (read_count_file): Set it if data file not present. Assume counts
1900 (output_lines): Don't name the data file, if there wasn't one.
1902 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1904 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1905 (rs6000_generate_compare): Tweak comments.
1906 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1908 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1910 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1911 (var_debug_decl): New function.
1912 (var_reg_set): Follow debug decl link. Add location even if
1913 reg is already known to hold some other variable.
1914 (var_mem_set): Follow debug decl link.
1915 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1916 decl link. Delete other known locations of the variable part
1918 (var_reg_delete, var_mem_delete): Delete other known locations
1919 of the variable part if requested.
1920 (same_variable_part_p): New function.
1921 (add_stores): Select MO_COPY when appropriate.
1922 (vt_initialize): Handle it.
1923 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1924 known locations for MO_SET and MO_CLOBBER.
1925 (find_variable_location_part): New function.
1926 (set_variable_part, delete_variable_part): Use it.
1927 (clobber_variable_part): New function.
1928 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1931 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1933 PR tree-optimization/26969
1934 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1935 with an empty list of PHIs.
1937 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1941 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1944 2006-08-06 Andreas Schwab <schwab@suse.de>
1946 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1947 string. Whitespace and comment fixup.
1949 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1952 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1956 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1959 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1961 2006-08-04 Jan Hubicka <jh@suse.cz>
1965 * reload.c (push_reload): Patch out the mismatching instruction;
1967 (find_reload): Bail out if the instruction was patched out.
1969 2006-08-04 Jan Hubicka <jh@suse.cz>
1971 PR tree-optimization/24888
1972 * tree-inline.c (expand_call_inline): Do not re-record variables.
1973 (declare_inline_vars): Add variable to unexpanded_var_list.
1975 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1976 Roger Sayle <roger@eyesopen.com>
1978 PR rtl-optimization/26244
1979 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1980 inner_const are negative or greater than or equal to the bitsize of
1981 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1982 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1983 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1984 CONST0_RTX (mode) when the new shift count is greater than or equal to
1985 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1988 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1990 * tree-cfg.c: Fix a comment typo.
1992 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1995 * varasm.c (output_constant): Give the front end another chance to
1996 expand constants, after stripping NOPs.
1998 2006-08-03 Jan Hubicka <jh@suse.cz>
2000 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2003 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2005 PR tree-optimization/27770
2006 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2007 declaration removed (moved to tree-flow.h).
2008 (vect_can_force_dr_alignment_p): Likewise.
2009 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2010 (moved from tree-vectorizer.h).
2011 (vect_can_force_dr_alignment_p): Likewise.
2012 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2013 from outside the vectorizer - in particular from cgraph stage.
2014 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2015 the alignment of global arrays when -fsection-anchors is enabled.
2016 * cgraphunit.c (cgraph_increase_alignment): New function.
2017 (cgraph_optimize): Call cgraph_increase_alignment.
2019 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2022 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2023 not reload a SPE symbol_ref into a lo_sum address.
2025 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2028 * dwarf2out.c (prune_unused_types_prune): Move call to
2029 prune_unused_types_update_strings to cover the parent DIE also.
2031 2006-08-02 Jan Hubicka <jh@suse.cz>
2033 PR gcov/profile/28480
2034 * tree-cfg.c (change_bb_for_stmt): New function.
2035 (tree_merge_blocks, tree_split_blocks): Use it.
2037 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2043 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2044 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2045 (cgraph_optimize): Likewise.
2047 2006-08-01 Stuart Hastings <stuart@apple.com>
2049 * rtl.h (UINTVAL) New.
2050 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2051 * testsuite/gcc.dg/20060801-1.c: New.
2053 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2056 * c-typeck.c (build_external_type): Mark used enum types.
2057 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2059 (gen_subprogram_die): Whitespace fix.
2061 2006-08-01 Jan Hubicka <jh@suse.cz>
2063 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2064 bitmap when not needed.
2065 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2068 2006-08-01 Dirk Mueller <dmueller@suse.de>
2070 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2072 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2074 * Makefile.in: Revert part of previous patch:
2075 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2078 2006-07-30 Eric Christopher <echristo@apple.com>
2081 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2082 (PowerPC Variable Attributes): New section.
2084 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2086 PR target/28126 (partial fix)
2087 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2089 2006-07-28 Jan Hubicka <jh@suse.cz>
2091 PR rtl-optimization/28071
2092 * cfgrtl.c (rtl_delete_block): Free regsets.
2093 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2095 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2097 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2098 and variables used in dependencies.
2100 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2102 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2103 %fs for -mcmodel=kernel.
2104 (stack_tls_protect_test_di): Likewise.
2106 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2108 * Makefile.in: Use mkinstalldirs.
2110 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2113 * opts-common.c (prune_options): Skip joined switches.
2115 2006-07-27 Jan Hubicka <jh@suse.cz>
2117 PR rtl-optimization/28071
2118 * cselib.c (cselib_process_insn): Don't remove useless values too
2119 often for very large hashtables.
2121 2006-07-27 Jan Hubicka <jh@suse.cz>
2123 PR rtl-optimization/28071
2124 * global.c (greg_obstack): New obstack.
2125 (allocate_bb_info): Use it.
2126 (free_bb_info): Likewise.
2127 (modify_reg_pav): Likewise.
2129 2006-07-27 Roger Sayle <roger@eyesopen.com>
2131 * builtins.c (fold_fixed_mathfn): When long and long long are the
2132 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2133 functions to their lceil*, lfloor*, lround* and lrint* forms.
2135 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2138 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2140 (rev_branch_insn): Likewise.
2142 2006-07-27 Jan Hubicka <jh@suse.cz>
2144 PR rtl-optimization/28071
2145 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2146 (reg_set_in_bb, max_reg_computed): New static variables.
2147 (regmove_optimize): Free the new array.
2148 (fixup_match_1): Update call of reg_is_remote_constant_p.
2150 2006-07-26 Jan Hubicka <jh@suse.cz>
2152 PR tree-optimization/27882
2153 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2155 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2157 (cgraph_analyze_compilation_unit): Likewise.
2158 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2159 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2160 (cgraph_early_inlinine): Make order garbage collected.
2161 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2163 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2165 * dbxout.c (output_types_sort): Add a comment.
2166 (output_used_types): Free the VEC.
2168 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2170 * function.c (reorder_fix_fragments): Delete.
2171 (reorder_blocks): Don't call it.
2172 (reorder_blocks_1): Put all subblocks under the origin block.
2174 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2176 PR rtl-optimization/27907
2177 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2180 2006-07-25 Roger Sayle <roger@eyesopen.com>
2183 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2184 bar(x) check that bar's result type can represent all the values of T.
2186 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2188 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2190 2006-07-25 Nick Clifton <nickc@redhat.com>
2192 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2193 size_lookup[] array.
2194 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2195 (ggc_pch_count_object): Likewise.
2196 (ggc_pch_alloc_object): Likewise.
2197 (ggc_pch_write_object): Likewise.
2198 (init_ggc): Do not attempt to initialize entries in the
2199 size_lookup[] array for objects whose size is greater than than
2200 the length of the array.
2202 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2204 * dbxout.c (output_used_types_helper): Push queued types
2206 (output_types_sort): New.
2207 (output_used_types): Collect used types on a VEC and sort them
2210 2006-07-24 Richard Guenther <rguenther@suse.de>
2213 * cgraph.c (cgraph_remove_node): Do not check if dumps
2215 * cgraphunit.c (cgraph_optimize): Likewise.
2217 2006-07-24 Jan Hubicka <jh@suse.cz>
2219 PR rtl-optimization/28071
2220 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2221 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2222 splitting before first stmt.
2224 2006-07-24 Jan Hubicka <jh@suse.cz>
2226 PR rtl-optimization/28071
2227 * ipa-inline.c (update_caller_keys): Remove edges that
2228 are no longer inline candidates.
2230 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2233 * dbxout.c (output_used_types_helper, output_used_types): New.
2234 (dbxout_symbol): Call output_used_types.
2236 2006-07-23 Jan Hubicka <jh@suse.cz>
2240 * cgraph.c (cgraph_varpool_nodes): Export.
2241 (decide_is_variable_needed): Ignored "used" attribute in
2242 unit-at-a-time mode.
2243 * cgraph.h (cgraph_varpool_nodes): Declare.
2244 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2245 unit-at-a-time mode.
2247 2006-07-23 Roger Sayle <roger@eyesopen.com>
2250 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2251 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2252 the __gthrw form of thr_keycreate.
2253 (__gthread_key_delete): Silence the unused argument warning.
2255 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2258 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2259 Cache the last found '\0' marker to avoid quadratic behavior.
2261 2006-07-23 Jan Hubicka <jh@suse.cz>
2263 * i386.md (subsi_3_zext): Fix output template.
2265 2006-07-21 Mike Stump <mrs@apple.com>
2267 * doc/invoke.texi (C++ Dialect Options): Note that
2268 -fvisibility-inlines-hidden doesn't affect explicitly
2269 instantiationed inline methods.
2271 2006-07-20 Roger Sayle <roger@eyesopen.com>
2273 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2274 if the target assembler is GNU binutils' gas.
2275 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2276 whether to pass GNU gas or native as command line options.
2278 2006-07-20 Jason Merrill <jason@redhat.com>
2280 * tree.c (remove_attribute): New fn.
2281 * tree.h: Declare it.
2283 2006-07-20 Paul Brook <paul@codesourcery.com>
2286 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2287 they are invalidated by this instruction.
2289 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2292 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2294 2006-07-20 Eric Christopher <echristo@apple.com>
2297 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2299 2006-07-19 Eric Christopher <echristo@apple.com>
2301 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2302 Rewrite dependencies for libgcc_s.1.dylib.
2304 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2306 * except.c (duplicate_eh_regions_1): Clear next_peer.
2308 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2310 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2311 -mlongcall does not guarantee all calls will be long.
2312 * doc/extend.texi (long_call/short_call): Document that longcall
2313 does not guarantee a long call will be used.
2314 (longcall/shortcall): Likewise.
2316 2006-07-18 Roger Sayle <roger@eyesopen.com>
2319 * expmed.c (expand_shift): Additionally check that the shift_cost
2320 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2321 before implementing a LSHIFT_EXPR as a sequence of additions.
2322 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2323 middle-end that DImode shifts need to be synthesized by expand.
2325 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2328 * tree-ssa-operands.c (access_can_touch_variable): Update
2330 Return true if ALIAS is .GLOBAL_VAR.
2332 2006-07-18 David Daney <ddaney@avtrex.com>
2334 * gcc.c (display_help): Fix typo in help text.
2336 2006-07-18 Olivier Hainque <hainque@adacore.com>
2338 * tree.h (categorize_ctor_elements): Adjust prototype and add
2339 descriptive comment, both in accordance with the interface change
2341 * varasm.c (constructor_static_from_elts_p): New function.
2342 Whether a constructor node is a valid static constant initializer
2343 if all its elements are.
2344 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2345 * output.h: Declare it.
2346 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2347 is a valid constant initializer instead of computing the number of
2348 non-constant elements. Use constructor_static_from_elts_p for this
2349 purpose. Replace the head comment with an indication that this is a
2350 helper for categorize_ctor_elements.
2351 (categorize_ctor_elements): Same interface change as for the _1
2352 helper. Former head comment from this helper moved here, adjusted to
2353 account for the interface changes.
2354 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2355 (all_zeros_p): Likewise.
2356 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2357 static versions of the constructor from the categorize_ctor_elements
2358 return value instead of the formerly computed number of non-constant
2361 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2363 * configure: Regenerate.
2364 * Makefile.in (build_libsubdir): New configure substitution
2365 (build_libobjdir): New variable.
2366 (BUILD_LIBIBERTY): Use it.
2368 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2371 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2373 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2376 * c-common.c (handle_weakref_attribute): Ignore attribute in
2377 the same conditions the alias attribute is ignored.
2379 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2381 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2382 (dbxout_begin_prologue): Increment scope_labelno.
2384 2006-07-17 Richard Henderson <rth@redhat.com>
2387 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2390 2006-07-17 Roger Sayle <roger@eyesopen.com>
2391 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2393 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2394 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2395 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2396 functions such as sbrk, write, etc.. Add function prototypes.
2397 Convert function declarations from K&R to ISO C. Cast pointers
2398 to "long" and "unsigned long" instead of "int" and "unsigned int".
2399 Convert tokens following #endif into comments.
2401 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2403 * invoke.texi: Remove mention of f77; Reformat table for
2404 inline parameter options correctly; mention that -malign-double
2405 is default on x86-64 targets.
2407 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2409 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2410 (convert_affine_scev, chrec_convert_aggressive): Use
2411 avoid_arithmetics_in_type_p. Do not check for the subtypes
2414 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2417 * optabs.c (expand_doubleword_shift): Wrap the call to
2418 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2420 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2423 * optabs.c (expand_binop): Pass next_methods rather than methods
2424 to expand_doubleword_shift.
2426 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2429 * tree.h (dump_addr): Declare.
2430 * print-tree.c (dump_addr): New function.
2431 (print_node_brief, print_node): Use it.
2432 * print-rtl.c (print_rtx): Likewise.
2433 * common.opt (-fdump-noaddr): New option.
2434 * doc/invoke.texi (-fdump-noaddr): Document.
2435 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2436 (ve_info_hash): Likewise.
2438 2006-07-13 Andrew Haley <aph@redhat.com>
2440 PR tree-optimization/19505
2441 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2442 edge leaving this block, make sure that the destination of this
2443 block has only one predecessor.
2445 2006-07-17 Richard Guenther <rguenther@suse.de>
2447 PR tree-optimization/28238
2448 * tree-inline.c (copy_bb): Check if we produced valid
2449 gimple copying and substituting a stmt. If not, gimplify
2452 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2454 * optabs.c (maybe_encapsulate_block): New function extracted from...
2455 (emit_libcall_block): ...here. Invoke it on the block of insns to
2456 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2457 (emit_no_conflict_block): Likewise.
2459 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2461 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2463 2006-07-15 Roger Sayle <roger@eyesopen.com>
2465 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2466 a new NOP_EXPR case of the switch statement.
2468 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2471 * stor-layout.c (place_field): Take the bit field with
2472 an excessive size into account in the ms-bitfiled case.
2475 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2476 the previous bit field.
2478 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2481 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2483 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2485 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2486 signal frames correctly even when the signal was installed with
2489 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2491 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2492 (dbxout_function_end): Use local label LFBB. Remove hook
2494 (dbxout_source_line): Use local label LFBB.
2495 (dbxout_block): Likewise.
2496 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2497 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2498 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2499 and DBX_OUTPUT_NFUN.
2501 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2503 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2505 2006-07-13 Jan Hubicka <jh@suse.cz>
2507 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2509 * output.h (align_variable): Declare.
2510 * varasm.c (align_variable): Export.
2511 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2512 when basic block changed.
2514 2006-07-13 Nick Clifton <nickc@redhat.com>
2516 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2517 walking the LOG_LINKS chain.
2519 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2521 * doc/invoke.texi (C++ Dialect Options): Explain difference
2522 between -fvisibility-inlines-hidden and setting hidden
2523 visibility explicitly.
2525 2006-07-12 Eric Christopher <echristo@apple.com>
2527 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2528 (stmp-lipo): Depend on libgcc.a.
2530 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2532 * tree.c: Fix a comment typo.
2534 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2536 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2538 (umulhisi3_r): Likewise.
2540 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2543 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2544 x < 19, vs wchar_t support.
2546 2006-07-12 Nick Clifton <nickc@redhat.com>
2548 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2549 instead of -isa=sh4.
2551 2006-07-12 Mike Stump <mrs@apple.com>
2553 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2555 2006-07-10 Eric Christopher <echristo@apple.com>
2557 * config/t-slibgcc-darwin: Rewrite.
2559 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2562 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2565 2006-07-08 Matthias Klose <doko@debian.org>
2567 * doc/sourcebuild.texi: Fix typo.
2569 2006-07-07 Mike Stump <mrs@apple.com>
2571 * toplev.c (process_options): Don't give -ffunction-sections may
2572 affect debugging warning for Mach-O.
2574 2006-07-07 James E Wilson <wilson@specifix.com>
2576 * config/mips/mips.md (cpu): Add sb1a.
2577 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2578 addition to sb1. Adjust comments to clarify SB-1A differences from
2580 (ir_sb1a_load): New. Modify bypasses to use it.
2581 (ir_sb1a_simple_alu): Likewise.
2582 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2583 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2584 (mips_issue_rate): Add PROCESSOR_SB1A.
2585 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2586 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2587 (TARGET_SB1): Add PROCESSOR_SB1A check.
2588 (TUNE_SB1): Likewise.
2590 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2591 * config/mips/mips.c (mips_store_data_bypass_p): New.
2592 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2593 store_data_bypass_p.
2595 2006-07-08 Paul Brook <paul@codesourcery.com>
2598 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2600 2006-07-07 Richard Guenther <rguenther@suse.de>
2603 * tree.h (build_one_cst): Declare.
2604 * tree.c (build_one_cst): New function.
2605 * tree-ssa-math-opts.c (get_constant_one): Remove.
2606 (insert_reciprocals): Use build_one_cst.
2607 * fold-const.c (fold_plusminus_mult): Likewise.
2609 2006-07-07 Roger Sayle <roger@eyesopen.com>
2611 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2612 * cfgloopanal.c (dump_graph): Likewise.
2613 * dojump.c (discard_pending_stack_adjust): Likewise.
2614 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2616 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2617 * function.c (finalize_block_changes): Likewise.
2618 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2619 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2620 * rtl.c (dump_rtx_statistics): Likewise.
2621 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2623 * varray.c (dump_varray_statistics): Likewise.
2624 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2625 decode_decimal64, encode_decimal128, decode_decimal128,
2626 decimal_real_to_decimal): Likewise.
2628 2006-07-07 Richard Guenther <rguenther@suse.de>
2630 PR tree-optimization/28187
2631 * tree-vrp.c (vrp_operand_equal_p): New function.
2632 (vrp_bitmap_equal_p): Likewise.
2633 (update_value_range): Use them to compare old and new
2636 2006-07-06 Roger Sayle <roger@eyesopen.com>
2638 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2639 a default case to switch statement to silence compiler warnings.
2641 2006-07-06 Roger Sayle <roger@eyesopen.com>
2644 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2645 the configured assembler supports the x87's ffreep mnemonic.
2646 * configure: Regenerate.
2647 * config.in: Regenerate.
2649 * config/i386/i386.c (output_387_ffreep): New function.
2650 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2651 (output_387_reg_move): Likewise.
2653 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2655 Port to hosts whose 'sort' and 'tail' implementations
2656 treat operands with leading '+' as file names, as POSIX
2657 has required since 2001. However, make sure the code still
2658 works on pre-POSIX hosts.
2659 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2660 which says you should use "tail -c +N" rather than "tail +Nc".
2661 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2663 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2665 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2668 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2671 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2672 PRE_{INC,DEC} of TFmode.
2674 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2675 Alan Modra <amodra@bigpond.net.au>
2678 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2681 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2684 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2685 Remove duplicate gtu.
2687 2006-07-05 Jason Merrill <jason@redhat.com>
2691 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2692 * c-common.c (handle_packed_attribute): So don't copy it here.
2693 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2695 2006-07-05 Mike Stump <mrs@apple.com>
2697 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2699 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2702 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2704 2006-07-05 Richard Guenther <rguenther@suse.de>
2707 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2708 TARGET_SSE2 targets if using SSE math.
2709 (*absdf2_1): Likewise.
2711 2006-07-05 Richard Guenther <rguenther@suse.de>
2713 PR tree-optimization/28162
2714 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2715 make sure to convert the operands to the correct type.
2717 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2719 PR tree-optimization/28218
2721 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2722 to calculate and free the dominator information.
2724 2006-07-04 Peter O'Gorman <peter@pogma.com>
2726 * mklibgcc.in: chmod 644 before ranlib during install.
2728 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2729 J"orn Rennecke <joern.rennecke@st.com>
2731 * configure.ac (.eh_frame data check): Use diff -b.
2733 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2736 * Makefile.in (BUILD_RTL): Add build/vec.o.
2737 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2738 (build/genextract): Delete.
2739 (build/genautomata): Likewise.
2741 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2744 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2745 128-bit IBM long doubles for ABI_V4.
2747 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2749 * tree.c (range_in_array_bounds_p): New predicate.
2750 * tree.h (range_in_array_bounds_p): Declare it.
2751 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2752 return a less conservative answer.
2753 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2754 and flag 'is_group'.
2755 (IS_ELEMENT_FOR_GROUP): New macro.
2756 (FOR_EACH_ACTUAL_CHILD): Likewise.
2757 (next_child_for_group): New helper function.
2758 (can_completely_scalarize_p): Take into account groups.
2759 (sra_hash_tree): Handle RANGE_EXPR.
2760 (sra_elt_eq): Likewise.
2761 (lookup_element): Be prepared for handling groups.
2762 (is_valid_const_index): Delete.
2763 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2764 instead of is_valid_const_index.
2765 <ARRAY_RANGE_REF>: New case.
2766 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2767 is_valid_const_index.
2768 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2769 (scan_dump): Dump info for groups too.
2770 (decide_instantiation_1): Likewise.
2771 (decide_block_copy): Assert that the element is not a group.
2772 Propagate decision to groups.
2773 (generate_one_element_ref): Handle RANGE_EXPR.
2774 (mark_no_warning): Iterate over actual childs.
2775 (generate_copy_inout): Likewise.
2776 (generate_element_copy): Likewise.
2777 (generate_element_zero): Likewise.
2778 (generate_element_init_1): Likewise.
2779 (dump_sra_elt_name): Handle RANGE_EXPR.
2781 2006-07-03 Roger Sayle <roger@eyesopen.com>
2783 PR tree-optimization/26251
2784 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2785 (thread_block): When optimizing for size refuse to thread jumps
2786 that would require duplication of blocks other than redirection
2789 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2791 * configure.ac: Fix thinko in previous check-in.
2792 * configure: Regenerate.
2794 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2797 * configure.ac (for lang...): Simplify nesting of conditionals.
2798 Test subdir_requires for non-enabled languages. Move processing
2799 of lang_opt_files and lang_tree_fiels below that test.
2800 * configure: Regenerate.
2801 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2803 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2805 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2807 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2809 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2812 2006-06-29 Jason Merrill <jason@redhat.com>
2819 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2820 * c-common.c (c_determine_visibility): Handle it here.
2821 * c-decl.c (finish_decl): Call c_determine_visibility for
2823 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2825 * varasm.c (default_assemble_visibility): Likewise.
2826 * c-common.c (handle_visibility_attribute): Complain about trying
2827 to give visibility to an already defined class, or trying to change
2828 declared visibility. Always attach the attribute.
2833 * attribs.c (decl_attributes): Ignore type-in-place attributes
2834 once the type has been defined.
2836 2006-06-29 Roger Sayle <roger@eyesopen.com>
2839 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2840 to indicate the cpplib has issued an error message for us.
2842 2006-06-29 Asher Langton <langton2@llnl.gov>
2845 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2846 insert a label at the end of an function under Mach-O.
2848 2006-06-29 Eric Christopher <echristo@apple.com>
2849 Evan Cheng <evan.cheng@apple.com>
2851 * predicates.md (vector_all_ones_operand): New.
2852 (nonimmediate_or_sse_const_operand): Ditto.
2853 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2854 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2855 (standard_sse_mode_p): Ditto.
2856 (standard_sse_constant_p): Add case for -1 vector.
2857 (ix86_expand_vector_move): Try to use.
2858 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2859 Call standard_sse_constant_opcode.
2860 (*movv4sf_internal): Ditto.
2861 (*movv2df_internal): Ditto.
2863 2006-06-29 Roger Sayle <roger@eyesopen.com>
2865 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2866 of XEXP to extract the operands of a MATCH_CODE rtx.
2868 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2870 * tree.c (tree_size): Do not waste tail padding in
2871 struct tree_string and make the size be the same as
2872 build_string will generate.
2874 2006-06-28 Jason Merrill <jason@redhat.com>
2877 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2878 may_aliases already in the tag's annotations to the bitmap.
2880 2006-06-28 Roger Sayle <roger@eyesopen.com>
2882 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2884 2006-06-28 Roger Sayle <roger@eyesopen.com>
2886 * genpreds.c (generate_switch_p): New function.
2887 (add_mode_tests): Push the new mode test down inside an AND expr
2888 if this allows the switch-suitable MATCH_CODE to be near the root.
2889 (write_match_code_switch): New function to write a MATCH_CODE as
2891 (write_predicate_stmts): New function to write a predicate RTX
2892 expression as a sequence of statements.
2893 (write_one_predicate_function): Use write_predicate_stmts.
2894 (write_tm_constrs_h): Likewise.
2896 2006-06-26 Fred Fish <fnf@specifix.com>
2898 * config/mips/t-sb1: New file.
2899 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2902 2006-06-26 DJ Delorie <dj@redhat.com>
2904 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2906 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2907 Jayant Sonar <jayants@kpitcummins.com>
2908 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2910 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2911 (subsi3, subsi3_1, subsi3_2): New.
2912 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2913 * config/m32c/mov.md (SI mov peephole): New.
2914 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2915 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2917 2006-06-26 Olivier Hainque <hainque@adacore.com>
2919 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2920 a CALL_EXPR target function declaration.
2922 2006-06-26 Richard Guenther <rguenther@suse.de>
2924 * tree.c (build_string): Do not waste tail padding in
2927 2006-06-26 Richard Guenther <rguenther@suse.de>
2929 * ggc-page.c (init_ggc): Add missing element to size_lookup
2933 2006-06-23 Richard Guenther <rguenther@suse.de>
2935 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2936 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2937 alignment requests instead. Add verification code.
2938 Add struct tree_function_decl and struct tree_binfo size to
2939 extra_order_size_table. Add missing element to size_lookup
2942 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2945 * fold-const.c (const_binop): Be prepared for self returning zero.
2946 Simplify code handling complex values.
2948 2006-06-24 Olivier Hainque <hainque@adacore.com>
2950 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2951 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2954 2006-06-24 Olivier Hainque <hainque@adacore.com>
2956 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2957 ARRAY_REF, so have the callback called for the low bound expression.
2959 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2961 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2962 * c-typeck.c (c_common_type): Disallow operations on decimal float
2963 types and other float types.
2964 * convert.c (convert_to_real): Don't ignore conversions involving
2965 decimal float types.
2967 2006-06-23 Olivier Hainque <hainque@adacore.com>
2969 * tree.c (max_int_size_in_bytes): New function, inspired from
2970 code in function.c:assign_temp.
2971 * tree.h (max_int_size_in_bytes): Declare.
2972 * function.c (assign_temp): Use it.
2973 * gimplify.c (create_tmp_var): Relax the assertions on the type
2974 properties, not mandating constant size any more.
2975 (force_constant_size): New static function.
2976 (gimple_add_tmp_var): Use it, forcing variable size to a
2977 constant upper bound if it is not constant on entry.
2979 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2982 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2983 for initialization and setting of one_only flag to ...
2984 (i386_pe_encode_section_info): ...here.
2985 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2986 Recheck that the symbol has not been defined.
2988 2006-06-23 Richard Guenther <rguenther@suse.de>
2990 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2991 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2992 alignment requests instead. Add verification code.
2993 Add struct tree_function_decl and struct tree_binfo size to
2994 extra_order_size_table. Add missing element to size_lookup
2997 2006-06-22 Roger Sayle <roger@eyesopen.com>
2998 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3001 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3002 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3004 2006-06-23 Ben Elliston <bje@au.ibm.com>
3006 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3007 negate dn -- manipulate it directly.
3009 2006-06-22 Roger Sayle <roger@eyesopen.com>
3010 Steven Bosscher <stevenb.gcc@gmail.com>
3013 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3014 generated by gen_move_insn to add REG_LABEL notes if necessary.
3016 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3018 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3019 (leaf_entry): Remove use of MIN_ESA.
3021 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3023 PR rtl-optimization/28121
3024 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3027 2006-06-21 DJ Delorie <dj@redhat.com>
3029 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3031 (mulhisi3_r): Likewise.
3033 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3036 * coverage.c (coverage_counter_alloc): Leave the index type
3038 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3041 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3043 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3044 section from the "Options for Code Generation Conventions".
3046 2006-06-21 Richard Henderson <rth@redhat.com>
3050 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3052 (global_symbolic_operand): Allow weak symbols, even if local_p.
3054 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3056 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3057 (find_interesting_uses_address): Punt if above function returns true.
3059 2006-06-21 Richard Guenther <rguenther@suse.de>
3061 * configure: Regenerated.
3063 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3065 * config/mips/mips.c (function_arg): Where one part of a
3066 complex argument is in registers and the other part in the stack,
3067 return a REG not a PARALLEL.
3069 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3071 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3072 when cross-compiling. Do not substitute libstdcxx_incdir.
3073 * configure: Regenerated.
3075 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3077 * varasm.c (mergeable_string_section): Check for embedded NULs and
3078 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3079 rather than TREE_STRING_LENGTH bytes.
3081 2006-06-21 Richard Guenther <rguenther@suse.de>
3083 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3084 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3087 2006-06-21 Richrad Guenther <rguenther@suse.de>
3089 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3090 Limit iteration over the dominators.
3092 2006-06-20 Roger Sayle <roger@eyesopen.com>
3094 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3095 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3097 2006-06-20 Richard Guenther <rguenther@suse.de>
3098 Michael Matz <matz@suse.de>
3100 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3102 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3103 * et-forest.h (et_free_pools): Prototype new function.
3104 * et-forest.c (et_free_tree_force): Free parent occurrence.
3105 (et_free_pools): New function.
3106 * dominance.c (free_dominance_info): Free et-forest alloc
3109 2006-06-20 Roger Sayle <roger@eyesopen.com>
3111 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3112 integer modes, attempt to directly construct an integer constant.
3114 * fold-const.c (native_encode_vector): Determine the size of each
3115 element from the vector type instead of the first vector element.
3117 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3118 if all of its elements/components are constant.
3119 (build_constructor_from_list): Likewise.
3121 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3123 PR tree-optimization/27331
3124 * tree-data-ref.c (free_data_ref): New function.
3125 (create_data_ref): Fail if the data reference has unknown access
3127 (free_data_refs): Use free_data_ref.
3129 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3132 * tree-inline.c (setup_one_parameter): Strip useless
3133 type conversion before adding it to the IR.
3134 (declare_return_variable): Likewise.
3136 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3139 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3141 2006-06-19 Mike Stump <mrs@apple.com>
3143 * tree.c (variably_modified_type_p): VM arguments don't make the
3146 2006-06-19 Richard Guenther <rguenther@suse.de>
3148 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3149 type conversions after folding.
3151 2006-06-19 Richard Guenther <rguenther@suse.de>
3153 * ggc-page.c (extra_order_size_tab): Add entries with
3154 size of struct function and basic_block.
3155 (size_lookup): Extend to cover sizes up to 511.
3156 (ggc_alloc_stat): Adjust user.
3157 (ggc_pch_count_object): Likewise.
3158 (ggc_pch_alloc_object): Likewise.
3159 (ggc_pch_write_object): Likewise.
3161 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3163 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3164 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3167 2006-06-19 Denis Chertykov <denisc@overta.ru>
3169 * config/avr/libgcc.S : Correct my wrong previous commit.
3171 2006-06-19 Roger Sayle <roger@eyesopen.com>
3174 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3175 have stripped a SUBREG from the shift count, so we may need to
3176 convert_to_mode back to the type's mode before calling make_tree.
3177 Use new_amount instead of amount to avoid expanding a tree twice.
3179 2006-06-19 Richard Guenther <rguenther@suse.de>
3182 * fold-const.c (operand_equal_p): Check if the argument types
3183 have the same precision before stripping NOPs.
3185 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3187 Fix PR tree-optimization/27341
3188 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3190 * tree-complex.c (pass_lower_complex): Update SMT usage.
3192 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3194 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3195 Add a new alternative to the constraint strings. Add move of
3196 operand 1 to 3 to the splitter definition.
3197 ("doloop_si_long"): Second contraint alternative removed.
3199 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3201 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3202 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3204 (AVR_HAVE_MOVW) Define.
3205 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3206 (ASM_SPEC): Add avr25.
3207 (LINK_SPEC): Add avr25.
3208 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3209 (base_arch_s): Add new member 'have_movw_lpmx'.
3210 (avr_arch_types): Init 'have_movw_lpmx'.
3211 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3212 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3213 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3214 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3215 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3217 (avr_file_start): Do not output '.arh' derective.
3218 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3219 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3220 * config/avr/avr.md (mcu_enhanced): Delete.
3221 (mcu_have_movw): Define.
3222 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3223 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3224 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3225 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3226 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3227 attiny861 and at86rf401 devices.
3229 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3231 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3234 2006-06-17 Karl Berry <karl@gnu.org>
3236 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3237 doc/gccint.texi, doc/install.texi (@dircategory): Use
3238 "Software development" instead of "Programming", following
3239 the Free Software Directory.
3241 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3243 * config/i386/i386.c (legitimate_tls_address)
3244 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3245 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3246 (*tls_dynamic_gnu2_combine_64): Likewise.
3248 2006-06-16 Richard Guenther <rguenther@suse.de>
3251 * fold-const.c (negate_expr_p): Do not introduce undefined
3252 overflow in negating INTEGER_CSTs.
3253 (fold_negate_expr): Rename from negate_expr. Revert last
3254 change for folding BIT_NOT_EXPR. Change semantics to
3255 return NULL_TREE for non-simplified negations. Do not
3256 strip type conversions and unify type handling.
3257 (negate_expr): New function, wrap around fold_negate_expr
3258 but ensure building a tree always. Strip type conversions
3259 here, fold to result type.
3260 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3262 2006-06-16 Roger Sayle <roger@eyesopen.com>
3265 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3266 that (would) return their results in stack registers.
3268 2006-06-16 Michael Matz <matz@suse.de>
3269 Richard Guenther <rguenther@suse.de>
3271 * fold-const.c (fold_truthop): Only return new tree node if
3272 we canonicalized something.
3274 2006-06-16 Richard Guenther <rguenther@suse.de>
3276 * function.h (enum function_frequency): Move declaration
3277 out of struct function.
3278 (struct function): Move bool fields and the enum to the bitfield
3279 section. Reorder elements to avoid padding. Remove unused
3280 fields left over from the RTL inliner removal.
3281 * function.c (free_after_compilation): Do not zero removed fields.
3282 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3283 (ipa-type-escape.o): Likewise.
3285 2006-06-16 Richard Guenther <rguenther@suse.de>
3287 * cgraph.h (struct cgraph_local_info): Turn bool elements
3289 (struct cgraph_node): Likewise.
3290 (struct cgraph_varpool_node): Likewise.
3292 2006-06-15 Richard Guenther <rguenther@suse.de>
3294 * fold-const.c (fold_truth_not_expr): Rename from
3295 invert_truthvalue. Give it fold_* semantics to avoid
3297 (invert_truthvalue): New function. Wrapper around
3298 fold_truth_not_expr.
3299 (optimize_minmax_comparison): Avoid creating garbage.
3300 (fold_unary): Use fold_truth_not_expr for folding
3302 (fold_ternary): Replace uses of invert_truthvalue with
3303 fold_truth_not_expr where applicable.
3304 * tree.h (fold_truth_not_expr): Prototype.
3306 2006-06-16 Richard Guenther <rguenther@suse.de>
3308 PR tree-optimization/27781
3309 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3310 * ipa-pure-const.c (target.h): Include.
3311 (analyze_function): Do not analyze functions that do not
3314 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3317 * tree-dfa.c (referenced_vars_dup_list): Remove.
3318 (find_referenced_vars): Remove assert.
3319 (referenced_var_check_and_insert): Replace dup list with assert.
3320 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3321 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3323 2006-06-15 Richard Guenther <rguenther@suse.de>
3325 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3326 extra unused identifiers if not dumping.
3327 (create_variable_info_for): Likewise.
3329 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3331 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3332 (derive_constant_upper_bound): Derive more precise upper bound in
3333 common cases. Return type changed to double_int.
3334 (record_estimate): Reflect the changed return type of
3335 derive_constant_upper_bound.
3336 * double-int.c (double_int_zext, double_int_sext): Fix.
3338 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3340 * configure.ac (CFLAGS): Get them from the toplevel or from the
3341 configure invocation.
3342 * configure: Regenerate.
3343 * Makefile.in (CFLAGS): Substitute value provided by configure.
3345 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3348 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3349 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3350 rather than calling add_stmt on it.
3351 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3353 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3356 * reload1.c (reload): Remove registers returned by update_eliminables
3357 from used_spill_regs.
3359 2006-06-13 DJ Delorie <dj@redhat.com>
3361 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3363 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3365 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3366 html__strip_dir, html__mkdir_p. Enhance install-html target.
3367 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3368 * configure: Regenerate.
3370 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3372 * fold-const.c (fold_cond_expr_with_comparison): Check for
3373 Objective-C++ as language in deciding COND_EXPR transformation.
3375 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3378 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3379 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3380 * config/sh/lib1funcs.h (SL, SL1): Define.
3381 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3382 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3383 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3384 (OBJS_Os_4_200): New variable.
3385 ($(T)libgcc-Os-4-200.a): Use it.
3386 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3387 when dividing 1 and/or by 0.
3389 2006-06-13 Roger Sayle <roger@eyesopen.com>
3391 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3392 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3393 * configure: Regenerate.
3395 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3397 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3398 for real instruction.
3400 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3403 * haifa-sched.c (check_cfg): Handle special case.
3405 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3408 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3409 Add debug_info parameter. Chain the vars to the BLOCK instead
3410 of the BIND_EXPR if debug info are requested for them.
3411 (pop_gimplify_context): Adjust for above change.
3412 (gimple_add_tmp_var): Likewise.
3413 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3415 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3416 (convert_local_reference): Likewise.
3417 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3418 (finalize_nesting_tree_1): Request that debug info be emitted
3419 for debug_var_chain.
3421 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3423 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3424 for PR target/27863.
3426 2006-06-13 Richard Guenther <rguenther@suse.de>
3429 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3431 2006-06-13 Richard Guenther <rguenther@suse.de>
3433 PR tree-optimization/27830
3434 * tree-inline.c (copy_body_r): For copying the operand
3435 of an ADDR_EXPR make sure to fold &* afterwards.
3437 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3439 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3440 lvalues in the fb_none case with side-effects.
3442 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3444 * tree-flow.h: Remove the prototype for
3445 compute_phi_arg_on_exit.
3446 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3447 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3450 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3452 * builtins.c (expand_builtin_return_addr): Only use
3453 frame_pointer_rtx when count == 0 and we are expanding
3454 __builtin_return_address.
3456 2006-06-12 Fred Fish <fnf@specifix.com>
3458 * config/mips/mips.c (mips_file_start): Create special section
3459 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3461 2006-06-11 Eric Christopher <echristo@apple.com>
3464 * stor-layout.c (place_field): Remove check for
3465 remaining_in_alignment when aligning at the end of a run.
3467 2006-06-11 Eric Christopher <echristo@apple.com>
3470 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3473 2006-06-11 Roger Sayle <roger@eyesopen.com>
3476 Revert incorrect fix for PR target/27158
3477 2006-05-08 Roger Sayle <roger@eyesopen.com>
3478 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3479 of a reg_equiv_constant if the result is a legitimate constant.
3481 2006-06-11 Roger Sayle <roger@eyesopen.com>
3484 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3485 extract a CONST_VECTOR element and interpret it as an integer.
3486 (vspltis_constant): Use const_vector_elt_as_int instead of the
3487 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3488 * config/rs6000/predicates.md (easy_vector_const): Consider
3489 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3491 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3494 * stor-layout.c (update_alignment_for_field): Don't add extra
3495 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3498 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3500 * config/mips/t-rtems: Add EL/EB multilib variants.
3502 2006-06-09 Mike Stump <mrs@apple.com>
3504 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3506 2006-06-09 David Daney <ddaney@avtrex.com>
3508 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3510 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3512 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3514 2006-06-09 Richard Guenther <rguenther@suse.de>
3516 PR tree-optimization/26998
3517 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3518 of signed types, only TYPE_MIN_VALUE is special, but for both,
3519 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3520 in this case, as is -fwrapv.
3522 2006-06-08 Mike Stump <mrs@apple.com>
3525 * config/darwin.c (darwin_asm_output_anchor): Disable
3526 -fsection-anchors on darwin for now.
3527 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3528 * rs6000/rs6000.c (optimization_options): Likewise.
3530 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3533 * config/i386/i386.c (classify_argument): Skip fields with invalid
3536 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3538 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3539 (cse_insn): Likewise for the stack_pointer_rtx.
3541 2006-06-08 Roger Sayle <roger@eyesopen.com>
3543 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3544 conditions from floating point comparisons.
3546 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3549 * expmed.c (struct alg_hash_entry): Fix type of field T
3550 to match synth_mult argument.
3551 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3553 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3556 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3559 2006-06-08 Richard Guenther <rguenther@suse.de>
3562 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3563 only, if overflow is defined and not trapping.
3564 (negate_expr): Likewise.
3566 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3568 PR tree-optimization/27872
3569 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3570 flag on the new exit edge of the unrolled loop.
3572 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3574 PR rtl-optimization/26449
3575 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3577 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3580 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3581 referenced_variables with matching DECL_UID's.
3582 (find_referenced_vars): Make sure duplicate list is empty to start.
3583 (referenced_var_p): Remove.
3584 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3585 Check if var is in the list, and add if needed. Update the duplicate
3586 list if a different var is in the list with the same DECL_UID.
3587 (add_referenced_var): Call routine to check and insert.
3588 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3589 * tree-flow.h (referenced_vars_dup_list): External declaration.
3591 2006-06-07 Fred Fish <fnf@specifix.com>
3593 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3596 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3599 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3600 the imaginary and real parts of a clobbered register.
3601 Emit insn to set the imaginary part.
3603 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3605 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3606 in lieu of unwind-dw2-fde.c.
3608 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3610 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3612 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3615 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3616 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3617 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3618 V4SImode temporaries and operations instead.
3620 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3622 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3625 2006-06-06 Mike Stump <mrs@apple.com>
3627 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3628 installing during build.
3630 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3632 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3634 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3635 * config/ia64/ia64.c (params.h): New header.
3636 (ia64_optimization_options): New function to adjust parameters.
3637 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3638 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3639 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3641 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3643 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3645 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3648 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3650 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3651 Victor Kaplansky <victork@il.ibm.com>
3653 PR tree-optimization/26360
3654 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3657 2006-06-04 Roger Sayle <roger@eyesopen.com>
3658 Andrew Pinski <pinskia@physics.uc.edu>
3661 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3662 for LABEL_DECL before calling DECL_WEAK.
3665 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3666 LABEL_DECL and PARM_DECL.
3668 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3672 * c-decl.c (grokdeclarator): Disallow variably modified types at
3673 file scope. Avoid marking shared array type of constant size as
3676 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3679 * c-common.c (fold_offsetof_1): Handle static members.
3681 2006-06-04 Eric Christopher <echristo@apple.com>
3683 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3684 (debug_rli): Output value for remaining_in_alignment.
3685 (update_alignment_for_field): Unconditionalize
3686 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3687 extra alignment code.
3688 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3689 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3690 * tree.h (record_layout_info_s): Remove prev_packed.
3691 * doc/extend.texi (ms_struct): Add documentation of format.
3693 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3695 * tree.h: Declare folding_initializer.
3696 * builtins.c (fold_builtin_constant_p): Give definite answer
3697 if folding inside an initializer.
3698 * fold-const.c: Define folding_initializer.
3699 (START_FOLD_INIT): Save and then set folding_initializer.
3700 (END_FOLD_INIT): Restore folding_initializer.
3702 2006-06-04 Richard Guenther <rguenther@suse.de>
3704 PR tree-optimization/27039
3705 * fold-const.c (fold_comparison): Handle pointer comparison
3706 again for all comparison codes. Compare offsets in signed
3708 (fold_binary): Move code from here.
3710 2006-06-03 Roger Sayle <roger@eyesopen.com>
3713 * config/i386/i386.c (construct_container): Split static issued_error
3714 flag into issued_sse_arg_error, issued_sse_ret_error and
3715 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3716 requires the use of x87 registers and the user explicitly
3717 specified the -mno-80387 command line option.
3719 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3721 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3722 HAVE_DECL_SIGALTSTACK.
3724 (segv_handler): Use MC_FLD.
3725 * configure.ac: Check for a sigaltstack declaration.
3726 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3727 * configure: Regenerate.
3728 * config.in: Regenerate.
3730 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3733 * Makefile.in (stmp-fixinc): Fix typo.
3735 2006-06-02 Roger Sayle <roger@eyesopen.com>
3737 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3738 are type correct. Clean-up.
3739 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3740 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3742 2006-06-01 DJ Delorie <dj@redhat.com>
3744 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3745 shift, as we've disabled the "switch" insn that needs it.
3747 2006-06-01 Per Bothner <bothner@bothner.com>
3749 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3750 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3751 * c-ppoutput.c (cb_define): Don't increment line 0.
3753 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3755 * doc/invoke.texi: Add cpu_type power6.
3756 * config.gcc: Add cpu_type power6.
3757 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3758 to power5+ with Altivec.
3759 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3760 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3762 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3764 * config/avr/avr.h (SET_ASM_OP): Define.
3766 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3768 * config/bfin/bfin.c: Fix comment typos.
3770 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3773 * doc/install.texi: Document --enable-bootstrap and
3774 --disable-bootstrap.
3776 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3778 * doc/install.texi: Document that InfoZIP can replace jar.
3780 2006-05-31 Roger Sayle <roger@eyesopen.com>
3782 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3783 isn't available, directly generate the simpler x87 patterns without
3784 the (use (const_int 0)).
3785 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3786 implementation isn't available.
3787 (*negdf2_1): Likewise.
3788 (*negxf2_1): XF mode negation is always done using the x87.
3789 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3791 2006-05-31 Roger Sayle <roger@eyesopen.com>
3793 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3794 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3796 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3798 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3800 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3801 * config/bfin/bfin.c (basic-block.h): Include.
3802 (struct machine_function): New.
3803 (bfin_init_machine_status): New.
3804 (override_options): Initialize init_machine_status.
3805 (bfin_hardware_loop): New.
3806 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3807 (DEF_VEC_P (loop_info)): New.
3808 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3809 (struct loop_info): New.
3810 (loop_info): New typedef.
3811 (struct loop_work): New.
3812 (loop_work): New typedef.
3813 (DEF_VEC_O (loop_work)): New.
3814 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3815 (bfin_dump_loops): New.
3816 (bfin_bb_in_loop): New.
3817 (bfin_scan_loop): New.
3818 (bfin_optimize_loop): New.
3819 (bfin_reorg_loops): New.
3820 (bfin_reorg): Use bfin_reorg_loops.
3821 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3823 (I_REGNO_P): Simplify.
3824 (DP_REGNO_P, DPREG_P): New macros.
3825 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3826 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3827 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3828 Add LT_REGS, LC_REGS, LB_REGS.
3829 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3831 (REGNO_REG_CLASS): Deal with loop registers.
3832 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3834 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3835 New constants for loop registers.
3836 (UNSPEC_LSETUP_END): New.
3837 (seq_insns): New define_attr. Set it for appropriate insns.
3838 (movsi_insn): Add alternatives for move from/to
3839 loop count registers.
3840 (doloop_end): New define_expand.
3841 (loop_end): New define_insn.
3842 (define_split for bad doloop_end): New.
3843 (lsetup_with_autoinit): New define_insn.
3844 (lsetup_without_autoinit): New define_insn.
3845 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3846 * config/bfin/predicates.md (lc_register_operand): New.
3847 (lt_register_operand): New.
3848 (lb_register_operand): New.
3849 (nondp_register_operand): New.
3850 (nondp_reg_or_memory_operand): New.
3851 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3853 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3855 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3856 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3858 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3860 * Makefile.in (CATALOGS): Add po/ prefix.
3861 * configure: Regenerated.
3863 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3866 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3867 a shift operand before calling shift_op. Avoid redundant call of
3870 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3871 DJ Delorie <dj@redhat.com>
3873 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3874 we're inserting is a singlt-bit constant.
3876 2006-05-30 Roger Sayle <roger@eyesopen.com>
3878 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3879 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3881 2006-05-30 Roger Sayle <roger@eyesopen.com>
3883 PR tree-optimization/23452
3884 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3885 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3886 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3887 complex values and with -ffast-math for FP complex values.
3889 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3891 * c-common.h: Remove the prototype for yyparse.
3892 * rtl.h: Remove the prototype for init_loop.
3894 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3896 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3899 2006-05-30 Roger Sayle <roger@eyesopen.com>
3901 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3903 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3904 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3906 2006-05-30 Dirk Mueller <dmueller@suse.de>
3909 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3910 for CONSTANT_CLASS_P expresisons.
3912 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3915 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3917 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3919 PR tree-optimization/27779
3920 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3921 initial_condition instead of CHREC_LEFT.
3923 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3925 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3926 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3927 Make prototypes ISO C90.
3929 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3930 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3932 * see.c (see_analyze_one_def): Correct check.
3933 (see_get_extension_data): Check if extension is parallel.
3934 (see_get_extension_reg): Likewise.
3936 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3939 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3940 into register for (code == GTU).
3942 2006-05-29 Roger Sayle <roger@eyesopen.com>
3944 PR tree-optimization/24964
3945 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3946 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3947 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3948 abs(x)*abs(x) as x*x for scalar floating point modes.
3950 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3953 * lambda-code.c (perfect_nestify): Don't copy statements
3954 in the inner loop: move them to the inner loop header.
3956 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3959 * c-tree.texi: Document OpenMP directives and clauses.
3961 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3963 * varasm.c (globalize_decl): Fix indentation.
3965 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3968 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3969 pass_fre, pass_store_ccp, pass_copy_prop,
3970 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3971 pass_return_slot, pass_object_size, pass_lim,
3972 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3973 pass_loop_prefetch and pass_stdarg.
3975 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3977 * config/bfin/bfin.opt (mfdpic): New option.
3978 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3979 (EXTRA_MULTILIB_PARTS): Likewise.
3980 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3981 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3983 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3984 (CRT_CALL_STATIC_FUNCTION): New.
3985 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3987 (CRT_CALL_STATIC_FUNCTION): New.
3988 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3990 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3991 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3992 (initialize_trampoline): Changed to handle FD-PIC code generation.
3993 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3994 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3995 (override_options): Disallow -mid-shared-library -mfdpic combination.
3996 Can't do unaligned ops if FD-PIC.
3997 Turn off flag_pic if trying to generate non-id-shared-library
3998 non-fdpic code, since it's not supported.
3999 (bfin_assemble_integer): New function.
4000 (TARGET_ASM_INTEGER): Define.
4001 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4003 * config/bfin/crtn.s: Restore them.
4004 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4006 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4007 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4008 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4009 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4010 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4012 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4013 FDPIC_REGS and FDPIC_FPTR_REGS.
4014 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4015 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4016 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4017 (load_funcdescsi): New pattern.
4018 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4019 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4020 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4022 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4024 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4027 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4029 * tree-flow.h: Remove the prototype for add_type_alias.
4030 * tree-ssa-alias.c (add_type_alias): Remove.
4032 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4034 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4035 config/fr30/fr30.md, config/i386/i386-interix.h,
4036 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4037 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4038 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4039 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4040 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4041 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4042 Follow spelling conventions.
4043 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4044 Follow spelling conventions.
4046 2006-05-27 Richard Guenther <rguenther@suse.de>
4049 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4050 to produce a constant of value 1 of generic type.
4052 2006-05-27 Dirk Mueller <dmueller@suse.de>
4054 * cgraphunit.c (decide_is_function_needed): Fix wrong
4057 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4059 PR rtl-optimization/27661
4060 * reload.c (find_reloads): When reloading a VOIDmode constant
4061 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4062 use Pmode as mode of the reload register.
4064 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4066 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4067 is enabled at -O and above.
4069 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4072 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4075 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4078 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4079 for anonymous variables explicitly declared by front ends.
4081 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4083 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4084 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4085 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4086 ref-all pointers, run a finalization pass for them.
4087 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4088 (finalize_ref_all_pointers): New function.
4089 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4090 regular pointer type to a ref-all pointer type.
4091 (get_tmt_for): Return the special memory tag for ref-all pointers.
4093 2006-05-25 Richard Guenther <rguenther@suse.de>
4096 * fold-const.c (fold_binary): Do not look at the stripped
4097 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4099 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4101 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4102 for LT and GT if the computed range is effectively empty.
4104 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4107 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4108 mips_quad_format formats instead of ieee_single_format,
4109 ieee_double_format and ieee_quad_format formats, respectively.
4111 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4113 PR tree-optimization/27639
4114 PR tree-optimization/26719
4115 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4116 call to scev_probably_wraps_p.
4117 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4118 used_in_pointer_arithmetic_p, convert_step): Removed.
4119 (nowrap_type_p): New function.
4120 (scev_probably_wraps_p): Rewritten.
4121 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4122 chrec_convert if chrec_convert_aggressive might have been used.
4123 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4124 scev_direction): New functions.
4125 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4126 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4127 instead of convert_step.
4128 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4129 (convert_step): Declaration removed.
4130 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4132 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4134 * df-core.c: Added to header comments.
4135 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4136 df_ur_bb_info, df_urec_bb_info): Added comments.
4137 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4138 urec, ri problems): Fixed header comments.
4139 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4140 code from df_rd_transfer_function.
4142 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4144 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4145 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4146 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4148 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4150 * expr.c (undefined_operand_subword_p): New.
4151 (emit_move_multi_word): Do not generate move from undefined bits
4152 of a paradoxical subreg.
4154 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4156 PR rtl-optimization/27736
4157 * combine.c (replaced_rhs_value): New variable.
4158 (combine_instructions): Set it.
4159 (distribute_notes): When distributing a note in replaced_rhs_insn,
4160 check whether the value was used in replaced_rhs_value.
4162 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4165 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4166 add_referenced_var instead of add_referenced_tmp_var.
4167 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4168 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4170 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4171 tree_optimize_tail_calls_1): Use add_referenced_var.
4172 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4173 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4174 Use add_referenced_var.
4175 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4176 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4177 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4178 Use add_referenced_var.
4179 * tree-dfa.c (struct walk_state): Remove.
4180 (find_referenced_vars): Remove walk state and vars_found hash table.
4181 (make_rename_temp): Use add_referenced_var.
4182 (find_vars_r): Pass less parameters to add_referenced_var.
4183 (referenced_var_p): New. Is var in referenced_var hash table.
4184 (referenced_var_insert): Assert var isn't already in hash table.
4185 (add_referenced_var): Don't need walk_state parameter. Add var if it
4186 isn't already in the hash table.
4187 (add_referenced_tmp_var): Remove.
4188 (find_new_referenced_vars_1): Use add_referenced_var.
4189 * tree-ssa-pre.c (create_expression_by_pieces,
4190 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4191 Use add_referenced_var.
4192 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4193 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4194 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4196 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4197 vect_create_data_ref_ptr, vect_create_destination_var,
4198 vect_init_vector, vect_build_loop_niters,
4199 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4200 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4201 Use add_referenced_var.
4202 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4203 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4204 (add_referenced_var): Add prototype.
4205 * tree-ssa-structalias.c (get_constraint_for,
4206 intra_create_variable_infos): Use add_referenced_var.
4208 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4210 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4211 big-endian paradoxical subregs.
4212 * var-tracking.c (struct micro_operation_def): Document that,
4213 for modify micro operations, insn is the subsequent instruction.
4214 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4215 (var_reg_set, var_mem_set): ... new functions.
4216 (add_stores): Record subsequent insn.
4217 (compute_bb_dataflow): Use new functions for MO_USE.
4218 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4219 notes after the insn, and modify notes before the insn known
4220 to be the subsequent one.
4221 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4223 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4226 * config/i386/i386.c (ix86_expand_builtin): Use
4227 gen_sse3_monitor64 for TARGET_64BIT.
4229 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4231 PR rtl-optimization/26375
4232 PR rtl-optimization/26855
4233 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4235 (df_ru_bb_local_compute): Reversed statements and removed bogus
4236 comment explaining why they should be in wrong order.
4237 (df_ru_dump, df_rd_dump): Enhanced debug info.
4238 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4240 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4241 reaching uses and fixed space problem.
4243 2006-05-23 Jan Hubicka <jh@suse.cz>
4245 * cgraphunit.c (decide_is_function_needed): Also nested functions
4246 and functions declared inline can be optimized out at -O0.
4248 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4250 * doc/install.texi (Configuration): Remove reference to CrossGCC
4254 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4257 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4258 ix86_compare_emitted is non-NULL.
4260 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4263 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4266 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4268 PR rtl-optimization/25514
4269 * combine.c (replaced_rhs_insn): New variable.
4270 (combine_instructions): Set replaced_rhs_insn when trying to replace
4271 a SET_SRC with a REG_EQUAL note.
4272 (distribute_notes): Use replaced_rhs_insn when determining the live
4273 range of a REG_DEAD register.
4275 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4276 Anatoly Sokolov <aesok@post.ru>
4278 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4279 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4280 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4281 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4282 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4283 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4284 at90usb647, at90usb1286 and at90usb1287 devices.
4285 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4286 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4288 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4290 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4292 2006-05-22 Richard Guenther <rguenther@suse.de>
4295 2006-01-31 Richard Guenther <rguenther@suse.de>
4296 Paolo Bonzini <bonzini@gnu.org>
4298 * doc/install.texi (--disable-libgcc-math): Document.
4300 2006-05-22 Richard Guenther <rguenther@suse.de>
4303 2006-01-31 Richard Guenther <rguenther@suse.de>
4305 * doc/invoke.texi (-msselibm): Document.
4306 * target.h (expand_library_builtin): New target hook.
4307 * builtins.c (expand_builtin): Use expand_library_builtin.
4308 (default_expand_library_builtin): New function.
4309 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4310 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4311 (link_gcc_math_spec): Declare.
4312 (static_specs): Add link_gcc_math_spec.
4313 * expr.h (default_expand_library_builtin): Declare.
4314 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4315 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4316 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4317 * config/i386/i386.opt (msselibm): New target option.
4318 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4319 (ix86_init_sse_abi_builtins): New function.
4320 (ix86_expand_library_builtin): Likewise.
4321 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4322 (override_options): Handle error conditions wrt -msselibm.
4323 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4324 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4325 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4328 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4331 * c-common.c (self_promoting_args_p): Skip erroneous args.
4334 * c-decl.c (finish_struct): Skip erroneous fields.
4336 2006-05-22 Nick Clifton <nickc@redhat.com>
4338 * config/cris/cris.opt (march): Remove VarExists attribute.
4339 (max-stackframe=): Likewise.
4341 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4343 * doc/rtl.texi: Fix a typo.
4344 * see.c: Fix comment typos.
4346 * tree-ssa-structalias.h (alias_info): Remove num_references.
4348 2006-05-21 Mike Stump <mrs@apple.com>
4350 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4352 (darwin_pragma_options): Use BAD instead.
4353 (darwin_pragma_unused): Likewise.
4354 (darwin_pragma_ms_struct): Likewise.
4356 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4358 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4360 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4362 PR rtl-optimization/27671
4363 * simplify-rtx.c (simplify_relational_operation_1): Fix
4364 simplifications of (eq/ne (xor x y) y) and
4365 (eq/ne (xor x y) x).
4367 PR tree-optimization/26622.
4368 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4371 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4373 * tree-cfg.c: Prune whitespace.
4374 (debug_tree_cfg): Point to correct header containing the
4377 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4380 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4382 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4385 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4386 or sorry count is non zero.
4388 2006-05-20 Andreas Schwab <schwab@suse.de>
4390 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4392 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4393 Kenneth Zadeck <zadeck@naturalbridge.com>
4395 PR rtl-optimization/26855
4397 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4399 (df_scan_alloc): Added code to properly handle multiword hard
4400 registers and add all_blocks parameter.
4401 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4402 code to properly handle multiword hard registers.
4403 (df_rescan_blocks): Added code to remove deleted blocks from
4405 (df_ref_create_structure, df_ref_record): Added code to properly
4407 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4408 and set DF_REF_PARTIAL.
4409 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4410 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4411 (df_scan_add_problem): Added flags parameter.
4412 (df_ref_create_structure): Changed switching structure.
4413 (df_bb_refs_record): Fixed case where duplicate artificial refs
4414 were created. Changed location of flags.
4415 (df_record_entry_block_defs): Added code to make stack pointer
4416 live in entry block. Refined cases where frame pointer is needed.
4417 Changed location of flags.
4418 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4419 (df_set_state): Removed function.
4420 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4421 df_insn_create_insn_record, df_insn_refs_delete,
4422 df_ref_create_structure): Formatting changes.
4423 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4424 df_delete_basic_block): New function.
4425 (df_init): Changed location of flags.
4426 (df_add_problem): Added flags parameter and the way flags are
4428 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4429 debug_df_chain): Improved debugging output.
4430 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4431 (df_refs_chain_dump): Removed df parameter.
4432 (df_iterative_dataflow): Added consistency check.
4433 (df_prune_to_subcfg): Made public.
4434 (df_analyze_problem): Added blocks_to_init parameter and made
4436 (df_ref_record, df_bb_refs_record, df_mark_reg,
4437 df_record_exit_block_uses): Whitespace changes.
4438 (df_dump): Whitespace changes.
4439 * df.h: Some reordering to remove forward references.
4440 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4441 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4442 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4443 (dataflow.flags): New field.
4444 (df.flag): Deleted field.
4445 (df_alloc_function): Added additional bitmap parameter.
4446 (df_dependent_problem_function): New type.
4447 (df_problem.changeable_flags): New field.
4448 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4449 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4450 (df_mw_hardreg): New struct.
4451 (DF_INSN_UID_MWS): New macro.
4452 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4454 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4455 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4456 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4457 (df_set_state): Removed function.
4458 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4459 * df-problems.c (df_chain_dump): Removed df parameter.
4460 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4461 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4463 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4464 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4465 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4466 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4467 DF_REF_MUST_CLOBBER cases.
4468 (df_ru_bb_local_compute_process_def,
4469 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4470 df_lr_bb_local_compute, df_ur_bb_local_compute,
4471 df_chain_create_bb): Made subreg aware.
4472 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4473 df_lr_bb_local_compute, df_lr_bb_local_compute,
4474 df_chain_create_bb): Cleanup to use proper macros.
4475 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4476 code to fixup bitvectors.
4477 (df_ri_alloc): Cleared lifetime.
4478 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4479 df_create_unused_note): New function.
4480 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4481 REG_DEAD and REG_UNUSED notes as well as register information.
4482 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4483 df_chains_dump): Fixed crash if problem was never run.
4484 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4485 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4486 df_ri_add_problem): Processes flags in uniform manner.
4487 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4488 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4489 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4490 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4491 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4492 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4493 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4494 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4495 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4496 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4497 * see.c (see_initialize_data): Ditto.
4498 * final.c (rest_of_clean_state) Added regstack_completed.
4499 * rtl.h (regstack_completed): Ditto.
4500 * reg-stack.c (regstack_completed): Ditto.
4502 2006-05-19 Mike Stump <mrs@apple.com>
4504 * c-tree.h (default_conversion): Remove.
4505 * c-common.h (default_conversion): Add.
4507 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4509 * tree-vrp.c (valid_value_p): New function.
4510 (adjust_range_with_scev): Fail if the value of bound is not
4513 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4515 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4516 (mips_fallback_frame_state): Use syscall numbers to determine
4517 the appropriate li instruction for the current ABI. Only use
4518 __NR_sigreturn for o32.
4520 2006-05-19 Nicolas Setton <setton@adacore.com>
4522 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4523 * langhooks.c (lhd_dwarf_name): New function.
4524 * langhooks-def.h (lhd_dwarf_name): Declare.
4525 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4526 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4527 * ada/misc.c (gnat_dwarf_name): New function.
4528 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4530 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4532 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4534 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4535 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4536 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4537 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4538 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4539 determine the size of Wtype, etc.
4540 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4541 (swfloatfuncs): New variable.
4542 (dwfloatfuncs): Likewise.
4543 (lib2funcs): Remove floating-point conversion functions from
4544 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4545 the set of conversion routines needed. Allow entries to specify
4546 an object name, filename and word size. Update users accordingly.
4547 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4548 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4552 2006-02-08 Roger Sayle <roger@eyesopen.com>
4555 * config/fixtfdi.c: New libgcc source file.
4556 * config/fixunstfdi.c: New source file.
4557 * config/floatditf.c: New source file.
4558 * config/floatunditf.c: New souce file.
4559 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4560 files above instead of config/mips/_tilib.c.
4561 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4563 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4565 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4566 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4568 2006-05-18 Mike Stump <mrs@apple.com>
4570 Fix up vla, vm and [*] sematics.
4576 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4577 (c_vla_unspec_p): Add.
4578 (c_vla_type_p): Add.
4579 * c-decl.c (struct c_scope): Add had_vla_unspec.
4580 (build_array_declarator): Add support for [*].
4581 (grokdeclarator): Likewise.
4582 (grokparms): Likewise.
4583 (get_parm_info): Likewise.
4584 * c-objc-common.c (c_vla_unspec_p): Likewise.
4585 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4586 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4587 typeof when argument is a variably modified type not inside sizeof or alignof.
4588 (c_parser_direct_declarator_inner): Propagate errors.
4589 (c_parser_sizeof_expression): Add support for [*].
4590 (c_parser_parms_declarator): Initialize had_vla_unspec.
4591 (c_parser_parms_list_declarator): Likewise.
4592 * c-typeck.c (c_vla_type_p): Add.
4593 (composite_type): Add support for vla compositing.
4594 (comptypes_internal): Add support for vla compatibility.
4595 (c_expr_sizeof_expr): Evaluate vla arguments.
4596 * tree.c (variably_modified_type_p): Update comment for [*].
4598 2006-05-18 Michael Matz <matz@suse.de>
4601 * config.host: Make assignments to host_xmake_file cumulative.
4602 * config.host (*-darwin*): Test $host, not $target.
4604 2006-05-12 Stuart Hastings <stuart@apple.com>
4606 * config/i386/i386.opt (-mstackrealign): New flag.
4607 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4608 (ix86_handle_cconv_attribute): Emit error when
4609 force_align_arg_pointer attribute collides with too many regparms.
4610 (ix86_function_regparm): Limit regparms when used with
4611 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4612 Support stack-realigning prologue in non-main functions. Emit
4613 warning for nested functions under -mstackrealign, emit error for
4614 nested functions with force_align_arg_pointer attribute.
4615 * doc/extend.texi (force_align_arg_pointer): Document it.
4616 * doc/invoke.texi (-mstackrealign): Document it.
4618 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4620 PR rtl-optimization/27477
4621 * combine.c (try_combine): Don't split a parallel consisting
4622 of two sets into two individual sets if both sets reference
4625 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4627 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4628 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4630 * doc/options.texi (VarExists): Updated.
4632 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4634 * unwind-dw2.c: Add declarations for uw_update_context and
4636 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4637 detected, advance frame state and context once to skip over stub.
4639 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4643 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4644 Call rewrite_into_loop_closed_ssa only when something changed.
4645 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4646 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4647 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4648 Test for perfect_nest_p here. Fix formating.
4649 (replace_uses_equiv_to_x_with_y): Fix formating.
4650 (stmt_uses_op): Removed.
4651 (can_convert_to_perfect_nest): Removed loopivs parameter.
4652 Complete the test by checking the scalar dependences.
4653 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4656 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4659 From Dan Kegel <dank@kegel.com>:
4660 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4662 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4664 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4665 if the element type is variably modified without recursing.
4667 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4670 * tree-loop-linear.c (try_interchange_loops): Test for
4671 no data dependences.
4673 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4675 PR tree-optimization/27548
4676 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4677 range of ssa names that appear on abnormal edges.
4678 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4679 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4681 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4684 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4686 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4689 * tree.h (OMP_PARALLEL_COMBINED): Define.
4690 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4691 (new_omp_context): Add is_combined_parallel argument.
4692 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4693 new_omp_context caller.
4694 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4695 Adjust gimplify_scan_omp_clauses callers.
4696 (omp_is_private): Issue errors if iteration variable is firstprivate
4697 or reduction in the current context.
4698 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4699 on combined parallel workshare constructs.
4701 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4703 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4704 (gcc-options.o): New rule.
4706 * optc-gen.awk: Protect variables for gcc-options.o with
4707 #ifdef GCC_DRIVER/#endif.
4709 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4711 Fix PR tree-optimization/27373
4712 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4713 (forward_propagate_addr_expr): Update call.
4715 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4717 * doc/options.texi: Move the Negative option.
4719 2006-05-16 Richard Guenther <rguenther@suse.de>
4721 PR tree-optimization/22303
4722 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4724 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4725 ccp_fold did not simplify the statement.
4727 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4730 * Makefile.in (GCC_OBJS): New.
4731 (OBJS-common): Add opts-common.o.
4732 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4733 (cpp$(exeext)): Likewise.
4734 (gcc.o): Also depend on opts.h.
4735 (opts-common.o): New.
4737 * common.opt (gcoff): Add Negative(gdwarf-2).
4738 (gdwarf-2): Add Negative(gstabs).
4739 (gstabs): Add Negative(gstabs+).
4740 (gstabs+): Add Negative(gvms).
4741 (gvms): Add Negative(gxcoff).
4742 (gxcoff): Add Negative(gxcoff+).
4743 (gxcoff+): Add Negative(gcoff).
4744 * config/i386/i386.opt (m32): Add Negative(m64).
4745 (m64): Add Negative(m32).
4747 * doc/options.texi: Document the Negative option.
4749 * gcc.c: Include "opts.h".
4750 (main): Call prune_options after expandargv.
4752 * optc-gen.awk: Generate common declarations for all flag
4753 variables in options.c. Output the neg_index field.
4755 * opts.c (find_opt): Moved to ...
4756 * opts-common.c: Here. New file.
4758 * opts.h (cl_option): Add a neg_index field.
4760 (prune_options): Likewise.
4762 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4765 * omp-low.c (expand_omp_parallel): Don't assert
4766 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4767 instead search for it.
4770 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4773 2006-05-16 Andreas Schwab <schwab@suse.de>
4775 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4778 2006-05-15 Roger Sayle <roger@eyesopen.com>
4781 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4782 integer constants other than zero are only legitimate on TARGET_64BIT.
4783 <CONST_VECTOR> Only zero vectors are legitimate.
4784 (ix86_cannot_force_const_mem): Integral and vector constants can
4785 always be put in the constant pool.
4787 2006-05-16 DJ Delorie <dj@redhat.com>
4789 * crtstuff.c (__dso_handle): Set section from
4790 TARGET_LBIGCC_SDATA_SECTION if defined.
4791 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4792 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4794 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4797 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4800 2006-05-16 Ben Elliston <bje@au.ibm.com>
4802 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4804 2006-05-15 Per Bothner <per@bothner.com>
4806 * tree.c: (last_annotated_node): Use source_locus typedef.
4807 This permits bootstrapping with --enable-mapped-location.
4809 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4811 PR tree-optimization/26830
4812 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4813 (info_for_ssa_name, current_info_for_ssa_name_age,
4814 blocks_to_update): New variables.
4815 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4816 (clear_ssa_name_info, initialize_flags_in_bb,
4817 mark_block_for_update): New functions.
4818 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4819 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4820 prepare_def_site_for): Use mark_block_for_update.
4821 (mark_def_interesting): Assert that the processed block is marked in
4822 blocks_to_update. Do not take blocks argument.
4823 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4825 (rewrite_update_init_block, rewrite_update_stmt): Only process
4826 blocks with statements to rewrite.
4827 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4828 (update_ssa): Initialize and free blocks_to_update. Do not
4829 clear flags on statements. Do not use blocks bitmap.
4830 * tree.h (SSA_NAME_AUX): Removed.
4831 (struct tree_ssa_name): Removed aux field.
4832 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4834 2006-05-15 Richard Guenther <rguenther@suse.de>
4836 PR tree-optimization/27603
4837 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4838 Do computations in original type.
4840 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4842 * see.c: Code style changes such as redundant paranthesis,
4843 redundant intialization of local variables etc.
4844 (see_main): Declared now as static.
4845 * doc/invoke.texi: Update that -fsee is not enabled by
4848 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4850 * omp-low.c (check_omp_nesting_restrictions): New function.
4851 (scan_omp_1): Call it.
4854 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4855 construct, return *VAR.
4857 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4859 PR rtl-optimization/27406
4860 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4863 2006-05-14 Roger Sayle <roger@eyesopen.com>
4865 PR rtl-optimization/27538
4866 * combine.c (expand_compound_operation): Call gen_lowpart
4867 before calling simplify_shift_const.
4869 2006-05-14 Roger Sayle <roger@eyesopen.com>
4871 PR rtl-optimization/22563
4872 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4873 a fixed width bitfield, always force the intermediates into psuedos.
4875 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4878 * mkconfig.sh: Use operator = instead of == for test.
4880 2006-05-13 Nick Clifton <nickc@redhat.com>
4882 * dwarf2out.c (dbx_reg_number): Check return value from
4883 LEAF_REG_REMAP and only use it if it is valid.
4884 (multiple_reg_loc_descriptor): Likewise.
4886 2006-05-13 Richard Guenther <rguenther@suse.de>
4888 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4891 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4893 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4894 information attached to non-INSNs such as NOTEs.
4895 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4897 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4899 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4901 * config/s390/s390.md: Adjust comment describing On constraint.
4903 2006-05-11 Jan Hubicka <jh@suse.cz>
4905 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4906 to be output at -O0.
4908 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4911 * fold-const.c (size_binop): Move sanity check for arguments to
4912 the beginning of the function.
4915 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4918 2006-05-11 Richard Guenther <rguenther@suse.de>
4921 * fold-const.c (fold_unary): Handle intermediate conversion
4922 to a pointer type like intermediate conversion to an integer
4923 type in folding of (T1)(T2)var to var.
4924 Match the code to the comment in the final conversion for
4925 (T1)(T2)var to (T1)var regarding to type precision. Rather
4926 than disallow T1 being of pointer type, assert that both T1
4927 and var are of pointer type or not. Make sure not to fall
4928 over the frontends lazyness wrt array to pointer decay though.
4930 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4932 * arm.c (arm_struct_value_rtx): Delete.
4933 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4934 (arm_init_cumulative_args): Always initialize nregs to zero.
4936 2006-05-10 Richard Guenther <rguenther@suse.de>
4938 PR tree-optimization/27532
4939 * tree-object-size.c (plus_expr_object_size): Fix typo.
4941 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4944 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4945 ashrdi_const, ashrdi3): Use a scratch register.
4947 2006-05-10 Richard Guenther <rguenther@suse.de>
4949 PR tree-optimization/27302
4950 * fold-const.c (operand_equal_p): For two comparisons,
4951 try comparison of one comparison code swapped if that yields
4954 2006-05-10 Ben Elliston <bje@au.ibm.com>
4956 * tree-pretty-print.c (pretty_print_string): No need to handle
4957 '\0' as a special character.
4959 * tree.h: Include "hashtab.h".
4960 (iterative_hash_expr): Use hashval_t in its prototype.
4961 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4963 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4966 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4967 (hppa*64*-*-hpux11*): Ditto.
4968 (hppa[12]*-*-hpux11*): Ditto.
4970 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4973 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4975 2006-05-09 Michael Matz <matz@suse.de>
4977 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4978 host_extra_gcc_objs and host_xmake_file.
4979 (<*-*-linux*>): Don't overwrite host_xmake_file.
4980 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4981 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4982 (host_detect_local_cpu): Declare.
4983 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4984 * config/i386/i386.c (override_options): Handle -mtune=native
4986 * config/i386/x-i386: New file.
4987 * config/i386/driver-i386.c: New file.
4988 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4991 2006-05-09 Dirk Mueller <dmueller@suse.de>
4992 Richard Guenther <rguenther@suse.de>
4995 * fold-const.c (fold_read_from_constant_string): Relax check
4996 for matching types to matching modes.
4998 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5000 PR rtl-optimization/27335
5001 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5004 2006-05-08 Chao-ying Fu <fu@mips.com>
5005 Richard Sandiford <richard@codesourcery.com>
5007 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5008 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5009 * config/mips/mips.md (UNSPEC_SCC): New constant.
5010 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5011 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5012 (mips_emit_compare): Use it.
5013 (mips_expand_vcondv2sf): New function.
5015 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5017 Fix PR tree-optimization/27093
5018 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5019 renaming when they become not-used_alone.
5021 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5023 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5024 relocation and relocation stubs.
5026 2006-05-08 Eric Christopher <echristo@apple.com>
5028 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5031 2006-05-08 Jan Hubicka <jh@suse.cz>
5034 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5035 unused static functions are needed.
5037 2006-05-08 Roger Sayle <roger@eyesopen.com>
5040 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5041 of a reg_equiv_constant if the result is a legitimate constant.
5043 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5046 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5047 standard 80387 constants, raise the cost to prevent
5048 compress_float_constant() to generate load from memory.
5050 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5052 * config/arm/constraints.md (c): Fix a typo.
5054 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5057 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5060 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5062 (_mm_mwait): Likewise.
5064 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5066 (sse3_monitor): Make it 32bit only.
5067 (sse3_monitor64): New. 64bit monitor.
5069 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5072 * config/i386/i386.c (classify_argument): Skip fields with invalid
5075 2006-05-07 Richard Guenther <rguenther@suse.de>
5077 PR tree-optimization/27409
5078 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5079 Do not try to find zero-sized subvars.
5081 2006-05-07 Richard Guenther <rguenther@suse.de>
5083 PR tree-optimization/27136
5084 * tree-ssa-loop-niter.c (get_val_for): Correct function
5085 comment, assert requirements.
5086 (loop_niter_by_eval): Stop processing if the iterated
5087 value did not simplify.
5089 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5091 * opts.c (flag_see): remove its setting at -O3.
5093 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5095 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5096 * arm/constraints.md: New file.
5097 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5098 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5099 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5100 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5101 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5102 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5103 * arm.md: Include constraints.md.
5104 (thumb_movsi_insn): Use satisfies_constraint_J.
5105 (movhi, movqi): Use satisfies_constraint_I.
5107 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5109 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5110 for atmeg a645 device.
5112 2006-05-06 Richard Guenther <rguenther@suse.de>
5114 PR tree-optimization/27151
5115 * tree-vect-transform.c (vectorizable_condition): Punt on
5116 values that have a different type than the condition.
5118 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5121 * c-parser.c (c_parser_cast_expression): Only insert casts into
5122 hash table if pointer.
5123 * function.c (used_types_insert_helper): Rename from
5125 (used_types_insert): Call used_types_insert_helper.
5126 * function.h (used_types_insert): Accept only one argument.
5128 2006-05-05 David Edelsohn <edesohn@gnu.org>
5130 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5131 scratch with output modifier.
5133 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5136 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5137 with output modifier.
5139 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5142 * config/mips/mips.c (mips_symbolic_address_p): Return true
5143 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5144 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5146 2006-05-04 Richard Guenther <rguenther@suse.de>
5148 PR tree-optimization/14287
5149 PR tree-optimization/14844
5150 PR tree-optimization/19792
5151 PR tree-optimization/21608
5152 PR tree-optimization/27090
5153 * tree-ssa-pre.c (try_combine_conversion): New function.
5154 (compute_avail): After constructing the value-handle
5155 expression, use try_combine_conversion to combine NOP_EXPRs
5156 with previous value-handle expressions and use the result if it
5159 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5161 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5163 2006-05-04 Jan Hubicka <jh@suse.cz>
5166 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5168 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5170 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5171 that this only matches CONST_INTs. All users changed to VOIDmode
5174 * config/bfin/bfin.c: Include "optabs.h".
5175 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5177 (enum bfin_builtins): Add a number of fractional and vector builtins.
5178 (bfin_init_builtins): Likewise.
5179 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5180 (safe_vector_operand, bfin_expand_binop_builtin,
5181 bfin_expand_unop_builtin): New functions.
5182 (bfin_expand_builtin): Handle the new builtins.
5183 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5186 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5189 * Makefile.in (OBJS-common): Add see.o.
5190 (see.o): Add dependencies.
5191 * common.opt (fsee): New flag for the see optimization was added.
5192 * opts.c (flag_see): Initialized.
5193 * passes.c (init_optimization_passes, pass_see): New pass.
5194 * rtl.h (see_main): Declaration as extern.
5195 * timevar.def (TV_SEE): New.
5196 * tree-pass.h (pass_see): Declaration as extern.
5197 * invoke.texi (-fsee): Document.
5198 * recog.c (validate_simplify_insn): New function.
5199 * recog.h (validate_simplify_insn): Declaration as extern.
5200 * df-problems.c (df_chain_dump): Check for NULL.
5202 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5203 Daniel Berlin <dberlin@dberlin.org>
5205 * cfgrtl.c (insert_insn_bb_end_new): New function.
5206 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5208 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5210 * df.h (struct web_entry): Moved from web.c.
5211 (union_defs): Declaration as extern.
5212 (unionfind_root): Likewise.
5213 (unionfind_union): Likewise.
5214 * web.c (struct web_entry): Moved to df.h.
5215 (unionfind_root): Remove static declaration.
5216 (unionfind_union): Likewise.
5217 (union_defs): Likewise and generalize to use callback function.
5218 (web_main): Update arguments for union_defs function call.
5220 2006-05-04 Richard Guenther <rguenther@suse.de>
5222 PR tree-optimization/26447
5223 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5224 produce SSA_NAME copies before the store stmt to avoid
5225 breaking exception handling.
5227 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5230 * gimplify.c (omp_is_private): If var is shared in some outer context,
5231 return false instead of true. Stop searching on parallel context
5234 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5237 * coverage.c: Use get_gcov_unsigned_t() instead of
5238 unsigned_type_node all over.
5240 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5242 PR tree-optimization/27381
5243 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5244 maintain the same immediate_use links.
5245 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5246 node rather than segfaulting.
5248 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5251 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5252 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5253 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5255 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5257 Fix PR tree-optimization/26626
5258 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5260 * tree-ssa-operands.c (access_can_touch_variable): Allow
5261 typecasting through union pointers.
5263 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5266 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5267 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5268 to find if var will be a global variable even in the nested context.
5269 (omp_copy_decl): Only check for global variable at the end, it might
5270 be overridden in outer contexts.
5271 (scan_sharing_clauses): For global variables don't create a field.
5272 (lower_rec_input_clauses): Do nothing for global shared variables.
5273 Emit a barrier at the end of ILIST if there were any decls in both
5274 firstprivate and lastprivate clauses.
5275 (lower_send_clauses): Do nothing for global variables except for
5278 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5280 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5281 of the correct signedness is returned.
5283 2006-05-02 Jeff Law <law@redhat.com>
5285 PR tree-optimization/27364
5286 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5287 multiply expressions.
5289 2006-05-02 Tom Tromey <tromey@redhat.com>
5291 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5293 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5296 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5297 -mthumb -fPIC are used.
5299 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5300 Joshua Kinard <kumba@gentoo.org>
5303 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5304 with 64-bit pointers.
5306 2006-05-02 Paul Brook <paul@codesourcery.com>
5308 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5310 (create_fix_barrier): Check that a suitable barrier location is
5312 (arm_reorg): Include ftmp->address in allowable range of addresses.
5314 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5317 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5320 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5323 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5324 around RESULT_DECL for result passed by reference.
5325 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5326 * omp-low.c (use_pointer_for_field): Don't look at
5327 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5328 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5329 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5330 time or var for passing by reference for
5331 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5332 TREE_ADDRESSABLE variables when passing by reference.
5334 * omp-low.c (dump_omp_region): Fix output formatting.
5337 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5338 (expand_omp_parallel): Likewise.
5339 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5342 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5343 on statement list containing also constructors and destructors.
5344 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5347 * except.c (duplicate_eh_regions): Fix clearing of
5348 cfun->eh->region_array entries.
5350 2006-05-01 DJ Delorie <dj@redhat.com>
5352 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5354 (gcc_cv_objdump): Likewise.
5355 * configure: Regenerated.
5357 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5360 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5361 templates for case 3 and 4.
5363 2006-05-01 DJ Delorie <dj@redhat.com>
5365 * vec.c: Include bconfig.h when appropriate.
5366 * Makefile.in (build/vec.o): Adjust dependencies.
5367 * mkconfig.sh: Make sure config.h isn't used for build machine
5370 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5372 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5374 (mark_phi_for_rewrite): New function.
5375 (insert_phi_nodes_for, mark_use_interesting): Call
5376 mark_phi_for_rewrite.
5377 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5378 (update_ssa): Initialize and free phis_to_rewrite.
5380 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5382 PR rtl-optimization/27291
5383 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5384 folded to a constant.
5386 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5388 PR tree-optimization/27283
5389 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5390 not whole # of iteration descriptions.
5391 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5392 uses abnormal ssa name.
5393 (niter_for_single_dom_exit): Ditto.
5394 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5395 return just the number of iterations.
5397 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5399 PR tree-optimization/27144
5400 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5401 (record_estimate): Only record constant upper bound.
5402 (infer_loop_bounds_from_undefined): Call
5403 compute_estimated_nb_iterations just once.
5404 (proved_non_wrapping_p): Renamed to ...
5405 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5406 (convert_step_widening, scev_probably_wraps_p): Call
5407 n_of_executions_at_most instead of proved_non_wrapping_p.
5408 (substitute_in_loop_info): Do not replace values in bounds.
5409 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5412 2006-05-01 Richard Henderson <rth@redhat.com>
5415 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5416 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5419 2006-05-01 Roger Sayle <roger@eyesopen.com>
5421 * c-typeck.c (parser_build_binary_op): Don't call the function
5422 unsigned_conversion_warning to spot operand/result type overflow.
5423 (build_binary_op): Instead, call convert_and_check instead of
5424 convert to report the problem when the operands are promoted.
5425 * c-common.c (unsigned_conversion_warning): Make static.
5426 * c-common.h (unsigned_conversion_warning): Delete prototype.
5428 2006-05-01 Richard Guenther <rguenther@suse.de>
5430 PR tree-optimization/26726
5431 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5433 (find_interesting_uses_address): ... we work around here
5434 by folding INDIRECT_REFs in the substituted base.
5436 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5438 * omp-low.c (dump_omp_region): Add newlines.
5440 2006-04-30 Roger Sayle <roger@eyesopen.com>
5442 * common.opt (Woverflow): New command line option.
5443 * c-common.c (constant_expression_warning): Check warn_overflow.
5444 (overflow_waring): Pass OPT_Woverflow to warning.
5445 (unsigned_conversion_warning): Likewise.
5446 (convert_and_check): Likewise.
5447 * doc/invoke.texi: Document new command line option.
5449 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5451 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5452 TARGET_NO_FP_IN_TOC for section anchors.
5453 (optimization_options): Enable section anchors for all
5454 non-"Objective" languages.
5456 2006-04-28 Eric Christopher <echristo@apple.com>
5458 * config/darwin-c.c (darwin_ms_struct): Move this
5459 (darwin_set_default_type_attributes): and this...
5460 * config/darwin.c: ... here.
5461 * config/darwin.h (darwin_ms_struct): Declare.
5463 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5465 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5467 2006-04-28 Roger Sayle <roger@eyesopen.com>
5470 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5471 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5472 an unsigned HOST_WIDE_INT.
5473 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5475 (really_start_incremental_init): No need to call convert because
5476 bitsize_zero_node is already of type bitsizetype.
5477 (push_init_level): Extract the value of constructor_index as an
5478 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5479 (process_init_element): Likewise.
5481 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5483 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5484 value before passing to make_relative_prefix.
5486 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5489 * builtins.c (expand_builtin_memset): Expand val in original mode.
5491 2006-04-27 Eric Christopher <echristo@apple.com>
5493 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5494 with #ifndef/#endif.
5495 * config/darwin-c.c (darwin_ms_struct): New.
5496 (darwin_pragma_ms_struct): Ditto.
5497 (darwin_set_default_type_attributes): Ditto.
5498 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5499 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5500 Register ms_struct pragma.
5501 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5502 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5503 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5504 darwin_set_default_type_attributes if TARGET_MACHO.
5506 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5508 PR tree-optimization/26854
5509 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5510 * doc/tree-ssa.texi: Update immuse iterator documentation.
5511 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5512 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5513 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5514 first_safe_imm_use, next_safe_imm_use): Remove.
5515 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5516 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5517 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5518 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5519 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5520 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5521 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5522 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5523 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5524 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5525 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5526 (perfect_nestify): Use new iterator.
5527 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5529 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5530 (next_imm_name): New field in struct immediate_use_iterator_d.
5531 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5532 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5533 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5534 * tree-cfg.c (replace_uses_by): Use new iterator.
5535 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5536 * tree-ssa-operands.c (correct_use_link): Remove.
5537 (finalize_ssa_use_ops): No longer call correct_use_link.
5539 2006-04-27 Stuart Hastings <stuart@apple.com>
5541 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5542 * config/t-darwin (crt3.o): Use it.
5543 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5544 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5545 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5546 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5547 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5550 2006-04-27 Roger Sayle <roger@eyesopen.com>
5552 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5553 size, force the intermediate into a new pseudo rather instead of
5554 performing both a bitwise AND and a bitwise IOR in memory.
5556 2006-04-27 Richard Guenther <rguenther@suse.de>
5558 PR rtl-optimization/26685
5559 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5560 this one "max-flow-memory-locations".
5562 2006-04-27 Richard Guenther <rguenther@suse.de>
5564 PR tree-optimization/25148
5565 * tree-vrp.c (compare_values): Remove code dealing with
5566 comparisons against type min/max value. Honour overflow
5567 and negative constants in code dealing with comparisons
5568 of plus and minus expressions.
5569 (value_inside_range): Use fold_binary with LE_EXPR and
5570 GE_EXPR rather than compare_values.
5572 2006-04-27 Dirk Mueller <dmueller@suse.de>
5574 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5577 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5579 * basic-block.h (safe_insert_insn_on_edge): Removed.
5580 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5582 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5583 Paolo Bonzini <bonzini@gnu.org>
5586 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5587 (simplify_and_const_int): Same.
5589 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5591 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5593 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5596 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5597 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5598 cgraph_global_info_ready.
5601 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5604 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5605 either decl or init is error_mark_node.
5608 * tree-flow.h (struct omp_region): Add sched_kind.
5609 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5610 instead of extracting omp for data.
5611 (expand_omp_for): Save extracted sched_kind.
5613 2006-04-25 Roger Sayle <roger@eyesopen.com>
5615 * expmed.c (store_bit_field): Also check whether the bitsize is
5616 valid for the machine's "insv" instruction before moving the
5617 target into a pseudo for use with the insv.
5618 * config/i386/predicates.md (const8_operand): New predicate.
5619 * config/i386/i386.md (extv, extzv, insv): Use the new
5620 const8_operand predicate where appropriate.
5622 2006-04-25 DJ Delorie <dj@redhat.com>
5624 * doc/install.texi (Specific): Clarify that this is not a list of
5625 supported hosts or targets.
5627 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5629 PR rtl-optimization/26725
5630 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5631 block's BB_DIRTY flag.
5633 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5635 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5638 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5639 to print an integer.
5641 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5643 * varasm.c (align_variable): New function.
5644 (get_block_for_decl): Apply align_variable to DECL before
5645 calculating section information.
5646 (assemble_variable): Split out alignment computation.
5648 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5650 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5653 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5655 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5656 MODE_PARTIAL_INT mode.
5657 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5658 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5660 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5661 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5663 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5665 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5667 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5668 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5669 MACFLAG_IH): Likewise.
5670 (movstricthi_1): Renamed from "*movstricthi".
5671 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5672 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5673 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5674 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5675 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5676 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5677 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5678 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5679 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5680 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5681 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5682 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5683 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5684 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5685 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5687 * doc/rtl.texi (ss_ashift): Improve wording.
5689 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5691 * dwarf2out.c (verify_marks_clear): New.
5692 (prune_unused_types): Call verify_marks_clear initially, not
5695 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5697 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5698 * doc/rtl.texi: Document them.
5699 * simplify-rtx.c (simplify_unary_operation,
5700 simplify_binary_operation_1): Don't abort when we see them.
5702 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5705 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5706 * configure.ac: Completely disregard languages that are not
5708 * configure: Regenerated.
5710 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5711 Richard Guenther <rguenther@suse.de>
5713 PR tree-optimization/27236
5714 * tree-inline.c (copy_body_r): Make sure to copy
5715 TREE_THIS_VOLATILE flag.
5717 2006-04-24 Richard Guenther <rguenther@suse.de>
5720 * tree-complex.c (update_parameter_components): Don't handle
5721 unused parameters which have no default def.
5723 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5724 Richard Guenther <rguenther@suse.de>
5726 PR tree-optimization/27218
5727 * tree-inline.c (expand_call_inline): Strip useless type
5728 conversions for the return slot address.
5730 2006-04-24 Richard Guenther <rguenther@suse.de>
5732 * cfgloop.h (struct loops): Remove unused field array. Reorder
5734 (LOOP_PREFETCH): Remove.
5736 2006-04-24 Richard Guenther <rguenther@suse.de>
5738 PR tree-optimization/22525
5739 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5740 variable, adjust types of generated expressions.
5742 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5744 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5745 (tree-vect-patterns.o): Likewise.
5747 (cselib.o): Likewise.
5748 (loop-doloop.o): Likewise.
5749 (regclass.o): Likewise.
5750 (reload1.o): Likewise.
5751 (explow.o): Replace target.h with $(TARGET_H).
5752 (ipa-prop.o): Likewise.
5753 (ipa-cp.o): Likewise.
5754 (ipa-inline.o): Likewise.
5755 (reorg.o): Likewise.
5756 (reg-stack.o): Likewise.
5758 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5760 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5762 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5764 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5766 * configure.ac: Completely disregard languages that are not
5768 * configure: Regenerated.
5771 * c-common.h (c_build_bitfield_integer_type): Declare.
5772 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5773 * c-common.c (c_build_bitfield_integer_type): ... here.
5775 2006-04-23 Roger Sayle <roger@eyesopen.com>
5778 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5779 a SImode SUBREG of a floating point register after no_new_pseudos.
5781 2006-04-23 Roger Sayle <roger@eyesopen.com>
5783 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5784 identify potentially eliminable registers to additionally catch
5785 VIRTUAL_INCOMING_ARGS_REGNUM.
5786 (addsi3): Update the conditions on when to use addsi_small_int.
5788 2006-04-23 Roger Sayle <roger@eyesopen.com>
5791 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5792 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5793 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5795 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5797 * fold-const.c (range_predecessor): Use operand_equal_p
5798 as the predicate for equality.
5799 (range_successor): Likewise.
5801 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5804 * config/soft-fp/op-common.h: Fix a typo.
5806 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5809 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5810 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5812 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5814 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5816 * doc/tm.texi: Fix a typo.
5818 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5820 * dwarf2out.c (struct die_struct): Document that die_sib makes
5821 a circular linked list.
5822 (FOR_EACH_CHILD): New.
5823 (reverse_die_lists): Delete.
5824 (reverse_all_dies): Delete.
5825 (add_dwarf_attr): Correct documentation.
5826 (remove_child_with_prev): New.
5827 (remove_child_TAG): Update for change to die_struct, use
5828 remove_child_with_prev.
5829 (add_child_die): Update for change to die_struct.
5830 (splice_child_die): Use remove_child_with_prev and add_child_die.
5831 (print_die): Use FOR_EACH_CHILD.
5832 (die_checksum): Likewise.
5833 (assign_symbol_names): Likewise.
5834 (output_location_lists): Likewise.
5835 (build_abbrev_table): Likewise.
5836 (calc_die_sizes): Likewise.
5837 (mark_dies): Likewise.
5838 (unmark_dies): Likewise.
5839 (unmark_all_dies): Likewise.
5840 (output_die): Likewise.
5841 (prune_unused_types_mark): Likewise.
5842 (prune_unused_types_walk): Likewise.
5843 (same_die_p): Update for change to die_struct.
5844 (break_out_includes): Likewise.
5845 (prune_unused_types_prune): Likewise.
5846 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5847 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5849 (dwarf2out_finish): Don't call reverse_all_dies.
5851 2006-04-21 Eric Christopher <echristo@apple.com>
5853 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5854 in comments and function names.
5856 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5859 * c-typeck.c (digest_init): Robustify.
5861 * c-typeck.c (pop_init_level): Simplify.
5863 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5865 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5867 2006-04-21 Paul Brook <paul@codesourcery.com>
5869 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5870 hardware floating point.
5872 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5874 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5877 2006-04-21 Nick Clifton <nickc@redhat.com>
5879 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5882 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5885 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5886 C++ lang type in traceback table for Objective-C++.
5888 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5890 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5892 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5894 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5897 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5898 were errors. Remove check for erroneous objects.
5900 2006-04-20 Jeff Law <law@redhat.com>
5902 PR tree-optimization/26854
5903 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5904 checking for zero or one use.
5905 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5906 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5907 * tree-ssa-reassoc.c (negate_value): Similarly.
5908 (reassociate_bb): Similarly.
5910 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5912 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5913 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5914 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5916 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5918 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5919 fp regs if the last fp arg doesn't fit in regs.
5921 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5924 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5925 that the last insn has the REG_INC note.
5927 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5928 Nathan Sidwell <nathan@codesourcery.com>
5931 * stor-layout.c (update_alignment_for_field): Do not align
5933 (place_union_field): Place union field at the start of the union.
5934 (place_field): Move ERROR_MARK check later, and use the current
5935 allocation position to maintain monotonicity.
5937 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5939 * dominance.c: Include timevar.h.
5940 (calculate_dominance_info): Use TV_DOMINANCE.
5941 * timevar.def (TV_DOMINANCE): New timevar.
5942 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5944 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5946 PR rtl-optimization/14261
5947 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5948 move would be an INSV insn.
5949 (noce_process_if_block): Don't optimize if the destination is a
5950 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5952 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5954 * config/s390/s390.md: Add comments with the instructions emitted
5955 by an insn pattern if macros are used.
5957 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5959 PR rtl-optimization/26026
5960 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5961 is a known power of two shifted left a variable amount.
5963 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5965 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5966 to hash table twice when the debug_str section has SECTION_MERGE.
5968 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5970 * config/soft-fp: New directory. From glibc.
5971 * config/soft-fp/t-softfp: New.
5972 * config/soft-fp/README: New.
5973 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5974 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5975 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5976 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5977 * config.gcc: Use rs6000/t-fprules-fpbit or
5978 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5980 * config/rs6000/sfp-machine.h: New. Based on glibc.
5981 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5983 * config/rs6000/t-fprules: Remove fp-bit rules.
5984 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5985 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5986 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5987 (softfp_wrap_start, softfp_wrap_end): New.
5989 2006-04-18 DJ Delorie <dj@redhat.com>
5991 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5993 2006-04-18 Devang Patel <dpatel@apple.com>
5995 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5997 2006-04-18 Nick Clifton <nickc@redhat.com>
5999 * config/sh/t-symbian: Add rule to build sh-c.o
6000 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6001 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6002 (sh_symbian_encode_section_info): Likewise.
6004 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6006 * builtins.c (expand_builtin_strcmp): Cover label definition of
6007 do_libcall with HAVE_cmpstrnsi.
6009 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6011 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6013 * function.h (temp_slot_p): New.
6014 (function): Change the type of x_used_temp_slots to
6015 VEC(temp_slot_p,gc) *.
6017 2006-04-18 Nick Clifton <nickc@redhat.com>
6019 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6020 flag_strength_reduce.
6022 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6024 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6028 Partial revert of revision 112637
6029 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6030 Dale Johannesen <dalej@apple.com>
6033 * regclass.c (struct reg_pref): Update documentation.
6034 (regclass): Set prefclass to NO_REGS if memory is the best option.
6035 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6037 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6039 PR tree-optimization/26821
6040 * tree-ssa-math-opts.c (get_constant_one): New.
6041 (insert_reciprocals): Use it.
6043 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6045 * dwarf2out.c (free_AT): Delete.
6046 (remove_AT): Update string ref counts.
6047 (remove_child_TAG): Don't call free_die.
6049 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6050 or DW_TAG_GNU_EINCL.
6051 (prune_unused_types_walk_attribs): Reset string refcounts.
6052 (prune_unused_types_update_strings): New.
6053 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6054 call free_die. Do call prune_unused_types_update_strings.
6055 (prune_unused_types): Empty debug_str_hash.
6057 2006-04-17 Roger Sayle <roger@eyesopen.com>
6059 * expr.c (expand_assignment): Optimize away no-op moves where the
6060 source and destination are equal and have no side-effects.
6062 2006-04-17 Richard Guenther <rguenther@suse.de>
6065 * reload.c (push_reload): Guard calls to get_secondary_mem
6068 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6070 * alias.c (reg_base_value, old_reg_base_value): Change the
6071 type to VEC(rtx,gc) *.
6072 (REG_BASE_VALUE, find_base_value, record_set,
6073 init_alias_analysis): Use VEC instead of VARRAY.
6075 * alias.c (alias_sets): Change the type to
6076 VEC(alias_set_entry,gc) *.
6077 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6078 VEC instead of VARRAY.
6079 (last_alias_set): Remove.
6081 * cgraph.h (cgraph_edge_p): New.
6082 Update the prototype of cgraph_function_versioning.
6083 * cgraphunit.c (cgraph_copy_node_for_versioning,
6084 cgraph_function_versioning): Use VEC instead of VARRAY.
6085 * ipa-cp.c (ipcp_insert_stage): Likewise.
6087 2006-04-16 Roger Sayle <roger@eyesopen.com>
6090 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6091 "A op B" or "A op C", we may need to convert A to the type of B and C.
6093 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6095 * target.h (struct gcc_target): Add mode_rep_extended.
6096 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6097 (init_num_sign_bit_copies_in_rep): Initialize it using
6099 (truncate_to_mode): Use it.
6100 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6101 * targhooks.h (default_mode_rep_extended): Declare it.
6102 * targhooks.c (default_mode_rep_extended): Define it.
6103 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6104 default_mode_rep_extended.
6105 (TARGET_INITIALIZER): Include it.
6106 * doc/tm.texi (Misc): Document it.
6107 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6108 (mips_truncated_to_mode): New function.
6110 2006-04-16 Roger Sayle <roger@eyesopen.com>
6113 * expr.c (compress_float_constant): Copy the narrow constant into
6114 a new pseudo before extending it to its final width.
6116 2006-04-16 Roger Sayle <roger@eyesopen.com>
6117 Andrew Pinski <pinskia@gcc.gnu.org>
6118 Dale Johannesen <dalej@apple.com>
6121 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6122 special case code to implement V8HImode and V16QImode with SSE2.
6124 2006-04-15 Roger Sayle <roger@eyesopen.com>
6126 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6127 trees are constructed with a suitable tree type.
6129 2006-04-15 Roger Sayle <roger@eyesopen.com>
6131 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6132 (integer_onep): Likewise.
6133 (integer_all_onesp): Likewise.
6134 (integer_pow2p): Likewise.
6135 (integer_nonzerop): Likewise.
6136 (real_zerop): Likewise.
6137 (real_onep): Likewise.
6138 (real_twop): Likewise.
6139 (real_minus_onep): Likewise.
6140 (int_size_in_bytes): Likewise.
6141 (host_integerp): Likewise.
6143 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6145 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6146 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6147 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6149 * tree-ssa-structalias.h (alias_info): Remove num_references.
6151 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6153 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6154 (output_bvb patterns): Likewise.
6155 * pa.c (output_bb): Use 'bb' insn for long branch case.
6156 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6157 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6158 1. Correct length operand for alternatives 1 and 2.
6159 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6160 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6162 2006-04-14 Roger Sayle <roger@eyesopen.com>
6164 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6165 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6166 were accidentally reverted by r112959.
6168 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6171 * except.h (eh_region_outermost): New prototype.
6172 * except.c (eh_region_outermost): New function.
6173 * tree-cfg.c (find_outermost_region_in_block): Use it.
6175 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6177 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6179 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6180 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6181 (init_reload, reload): Use VEC instead of VARRAY.
6182 * reload.h: Update the prototype for
6183 reg_equiv_memory_loc_varray.
6185 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6186 Eric Botcazou <ebotcazou@libertysurf.fr>
6188 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6191 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6194 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6195 to expand fallback builtin function call.
6197 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6200 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6201 and emit libcall here in case the builtin fails.
6202 (expand_builtin_strcmp): Always emit the libcall here on failure.
6204 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6206 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6207 * flow.c (reg_n_info): Change the type to
6208 VEC(reg_info_p,heap) *.
6209 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6211 * regs.h (reg_info_p): New.
6212 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6213 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6214 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6217 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6219 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6221 * params.h (MAX_SCHED_READY_INSNS): New macro.
6222 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6223 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6224 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6225 the ready list for 1 cycle during the first scheduling pass.
6226 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6228 2006-04-13 Richard Henderson <rth@redhat.com>
6231 * gimple-low.c (lower_omp_directive): Remove dead code.
6232 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6233 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6234 * omp-low.c (struct omp_region): Move to tree-flow.h.
6235 (root_omp_region): Export.
6236 (omp_regions, lookup_omp_region): Remove.
6237 (determine_parallel_type): Update for struct omp_region changes.
6238 (dump_omp_region): Dump regions with block numbers.
6239 (new_omp_region): Take type and block instead of stmt; malloc
6241 (free_omp_region_1, free_omp_regions): New.
6242 (expand_parallel_call): Take entry_stmt as argument; update for
6243 changes to omp_region.
6244 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6245 (remove_exit_barriers): New.
6246 (expand_omp_parallel): Update for struct omp_region changes.
6247 (expand_omp_synch): Likewise.
6248 (expand_omp): Likewise.
6249 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6250 (expand_omp_for_static_chunk): Likewise.
6251 (expand_omp_for): Likewise.
6252 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6253 (expand_omp_sections): Similarly, with GOMP_sections_end.
6254 (expand_omp_single): New.
6255 (build_omp_regions_1): Update for OMP_CONTINUE.
6256 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6257 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6258 OMP_SECTIONS_SECTIONS.
6259 (lower_omp_single_simple): Don't emit barrier here.
6260 (lower_omp_single_copy): Likewise.
6261 (lower_omp_single): Fix bindings, and lower to straightline now.
6262 (lower_omp_master, lower_omp_ordered): Likewise.
6263 (lower_omp_critical): Likewise.
6264 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6265 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6266 omp edges, free it afterward.
6267 (make_omp_sections_edges): Remove.
6268 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6269 (move_stmt_r): Handle OMP_CONTINUE.
6270 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6271 statement pointers to basic blocks. Add type member.
6272 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6273 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6274 * tree-inline.c (estimate_num_insns_1): Likewise.
6275 * tree-pretty-print.c (dump_generic_node): Likewise.
6276 * tree-ssa-operands.c (get_expr_operands): Likewise.
6277 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6278 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6279 (OMP_CONTINUE): New.
6280 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6281 (OMP_SECTIONS_SECTIONS): Remove.
6282 (OMP_SECTION_LAST): New.
6283 (OMP_RETURN_NOWAIT): New.
6285 2006-04-13 Roger Sayle <roger@eyesopen.com>
6287 * fold-const.c (native_encode_vector, native_interpret_real):
6288 Correct obvious mistakes in the previous check-in.
6290 2006-04-13 Roger Sayle <roger@eyesopen.com>
6292 * fold-const.c (native_encode_expr): New function to encode
6293 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6294 or VECTOR_CST into a specified buffer.
6295 (native_encode_int): New function.
6296 (native_encode_real): New function.
6297 (native_encode_complex): New function.
6298 (native_encode_vector): New function.
6299 (native_interpret_expr): Inverse of native_encode_expr to convert
6300 a target representation into an INTEGER_CST, REAL_CST etc...
6301 (native_interpret_int): New function.
6302 (native_interpret_real): New function.
6303 (native_interpret_complex): New function.
6304 (native_interpret_vector): New function.
6305 (fold_view_convert_expr): New function to constant fold/evaluate
6306 a VIEW_CONVERT_EXPR of a suitable constant expression.
6307 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6308 Change call of build1 to fold_build1 when constructing a
6311 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6312 Ulrich Weigand <uweigand@de.ibm.com>
6315 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6318 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6321 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6322 optimize to lo_sum for DFmode if !TARGET_FPRS.
6324 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6326 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6327 delete_alias_info, compute_flow_sensitive_aliasing,
6328 group_aliases): Use VEC instead of VARRAY.
6329 * tree-ssa-structalias.c (update_alias_info): Likewise.
6330 * tree-ssa-structalias.h (alias_info): Change the type of
6331 processed_ptrs to VEC(tree,heap) *.
6333 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6336 * config/sh/lib1funcs.h: New file, broken out of:
6337 * config/sh/lib1funcs.asm.
6338 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6340 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6341 * config/sh/lib1funcs-Os-4-200.asm: New file.
6342 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6343 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6344 (EXTRA_MULTILIB_PARTS): Include it.
6345 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6346 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6347 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6348 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6351 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6353 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6354 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6355 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6357 * tree-ssa-live.h: Include vecprim.h.
6358 (tree_partition_associator_d): Change the type of
6359 first_partition to VEC(int,heap) *.
6360 (tpa_first_partition): Use VEC instead of VARRAY.
6362 * Makefile.in (GTFILES): Move functions.h after tree.h.
6363 * function.c (reset_block_changes, record_block_change,
6364 check_block_change, free_block_changes): Use VEC instead of
6366 * function.h (function): Change the type of
6367 ib_boundaries_block to VEC(tree,gc) *.
6368 * tree-inline.c (copy_cfg_body): Initialize
6369 ib_boundaries_block to NULL instead of (varray_type) 0.
6371 2006-04-12 Roger Sayle <roger@eyesopen.com>
6373 * expr.c (emit_group_store): Correct operand order in call to
6374 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6375 a SUBREG_BYTE of zero.
6377 2006-04-12 Richard Guenther <rguenther@suse.de>
6379 * profile.c (compute_branch_probabilities): Remove code
6380 encapsulated in !ir_type (), which are remanents of the
6381 removed RTL profiling code.
6382 * rtl-profile.c: Remove.
6384 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6386 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6387 magic NULL_RTX comment.
6388 (function_arg): Store entire fp arg to mem if any part should go
6390 (rs6000_arg_partial_bytes): Adjust for above change.
6392 2006-04-11 Roger Sayle <roger@eyesopen.com>
6394 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6395 if it hasn't been initialized by dwarf2out_init.
6397 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6399 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6400 symbolic constants in branch patterns.
6402 2006-04-11 Roger Sayle <roger@eyesopen.com>
6404 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6406 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6408 PR rtl-optimization/27073
6409 * gcse.c (try_replace_reg): Revert last change. Continue to search
6410 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6413 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6415 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6416 aggregate types other than record and union types.
6417 (function_arg): Likewise.
6418 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6420 (function_value): In 64-bit mode, return objects that require it
6423 2006-04-11 Roger Sayle <roger@eyesopen.com>
6425 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6427 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6429 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6431 2006-04-03 Jeff Law <law@redhat.com>
6434 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6435 alias information too.
6437 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6439 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6441 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6444 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6445 (premark_used_types_helper): New.
6446 (premark_used_types): New.
6447 (gen_subprogram_die): Call premark_used_types.
6448 (prune_unused_types_walk): Do not prune perennial dies.
6449 * function.c (used_types_insert): New.
6450 * function.h (struct function): Add used_types_hash field.
6451 (used_types_insert): Add prototype.
6452 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6453 * c-parser.c (c_parser_cast_expression): Save casted types in used
6456 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6459 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6460 rs6000_explicit_options.float_gprs.
6462 2006-04-10 Roger Sayle <roger@eyesopen.com>
6464 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6465 from ix86_expand_vector_init_low_nonzero. Take an additional
6466 one_var argument indicating which element is non-zero. Support
6467 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6468 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6469 with one_var instead of ix86_expand_vector_init_low_nonzero.
6471 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6473 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6474 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6475 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6476 build/genextract.o): Depend on vecprim.h.
6477 * cfglayout.c, df-problems.c, function.c, genextract.c,
6478 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6479 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6483 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6485 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6486 Declare VECs of this type.
6487 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6488 (remove_children): Delete.
6489 (add_dwarf_attr): Use VEC routines.
6490 (add_AT_flag): Update for changes to add_dwarf_attr.
6491 (add_AT_int): Likewise.
6492 (add_AT_unsigned): Likewise.
6493 (add_AT_long_long): Likewise.
6494 (add_AT_vec): Likewise.
6495 (add_AT_string): Likewise.
6496 (add_AT_die_ref): Likewise.
6497 (add_AT_fde_ref): Likewise.
6498 (add_AT_loc): Likewise.
6499 (add_AT_loc_list): Likewise.
6500 (add_AT_addr): Likewise.
6501 (add_AT_lbl_id): Likewise.
6502 (add_AT_lineptr): Likewise.
6503 (add_AT_macptr): Likewise.
6504 (add_AT_offset): Likewise.
6505 (add_AT_range_list): Likewise.
6506 (get_AT): Use VEC_iterate.
6507 (remove_AT): Use VEC_ordered_remove.
6508 (free_die): Fold remove_children into here; have it use VEC_iterate.
6509 (print_die): Use VEC_iterate on attrs.
6510 (reverse_die_lists): Don't reverse attr lists.
6511 (die_checksum): Use VEC_iterate on attrs.
6512 (same_die_p): Likewise.
6513 (output_location_lists): Likewise.
6514 (build_abbrev_table): Likewise.
6515 (size_of_die): Likewise.
6516 (unmark_all_dies): Likewise.
6517 (output_abbrev_section): Likewise.
6518 (output_die): Likewise.
6519 (prune_unused_types_walk_attribs): Likewise.
6521 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6523 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6525 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6528 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6530 2006-04-09 Roger Sayle <roger@eyesopen.com>
6532 * expr.c (store_constructor): Don't bother clearing target if
6533 we're about to assign a vector to it using vec_init_optab.
6535 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6537 * tree-ssa-alias.c (lhs_may_store_to): New function.
6538 (recalculate_used_alone): Handle LHS of calls.
6540 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6544 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6545 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6546 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6547 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6548 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6549 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6550 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6551 stubs. Add ".align 8" directives before all ".dword" directives.
6552 (GTHREAD_USE_WEAK): Revise comment.
6553 (TARGET_ATTRIBUTE_WEAK): Define.
6554 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6555 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6556 * stublib.c: New file.
6561 * pa.md (cbranch patterns): Revise arguments used in calls to
6562 output_cbranch, output_bb and output_bvd. Add long branch length
6564 (fbranch patterns): Handle long branches.
6565 (jump): Revise length check. Revise arguments for output_lbranch call.
6566 Add long branch length attributes.
6567 (decrement_and_branch_until_zero): Add long branch length attributes.
6568 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6569 Likewise. Revise arguments for output_parallel_addb and
6570 output_parallel_movb calls.
6571 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6572 output_parallel_movb and output_parallel_addb): Update prototypes.
6573 * pa.c (output_cbranch): Revise arguments. Correct handling of
6574 nullification in long branches.
6575 (output_lbranch): Add new argument to control extraction of delay
6577 (output_bb): Handle long branches.
6578 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6579 output_parallel_addb): Likewise.
6581 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6583 PR rtl-optimization/27073
6584 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6587 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6589 * tree.h (tree_memory_tag): Add old_used_alone.
6590 (SMT_OLD_USED_ALONE): New macro.
6591 * tree-ssa-alias.c (recalculate_used_alone): Stop
6592 marking things for renaming unnecessarily.
6594 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6596 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6597 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6598 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6599 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6600 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6601 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6602 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6603 spelling convensions.
6604 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6605 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6606 typos. Follow spelling conventions.
6608 2006-04-07 DJ Delorie <dj@redhat.com>
6610 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6611 passed on the stack.
6612 (m32c_init_cumulative_args): When a function returns a structure,
6613 always pass the pointer to that return area on the stack.
6614 (m32c_function_arg_advance): Don't increment the parameter number
6615 if we're processing the returned structure pointer.
6616 (pushm_info): Reverse order of registers.
6618 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6620 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6621 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6622 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6623 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6625 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6626 chrec_fold_multiply): Same.
6627 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6628 force_expr_to_var_cost): Same.
6629 * tree-mudflap.c (mf_xform_derefs_1): Same.
6630 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6632 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6634 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6635 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6638 2006-04-07 Jan Hubicka <jh@suse.cz>
6640 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6642 2006-04-07 Richard Guenther <rguenther@suse.de>
6644 PR tree-optimization/26135
6645 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6646 loads for store copy-prop.
6647 (copy_prop_visit_stmt): Likewise.
6649 2006-04-05 Robert Millan <robertmh@gnu.org>
6651 * config/i386/linux.h: Add a comment to mark macros that are
6652 being overriden in config/k*bsd-gnu.h.
6653 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6655 * config/knetbsd-gnu.h: Ditto.
6657 2006-04-06 Jan Hubicka <jh@suse.cz>
6661 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6664 2006-04-06 Mike Stump <mrs@apple.com>
6666 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6667 for HAVE_nonlocal_goto to be consistent.
6668 (expand_builtin_nonlocal_goto): Likewise.
6669 (expand_builtin_strcmp): Use #ifdef instead of #if
6670 for HAVE_cmpstrnsi to be consistent.
6672 2006-04-05 DJ Delorie <dj@redhat.com>
6674 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6677 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6679 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6680 got-relative addressing for anything but SImode.
6682 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6683 even if the calling function doesn't modify them.
6685 2006-04-05 Richard Guenther <rguenther@suse.de>
6687 PR tree-optimization/26919
6688 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6689 to cgraph_estimate_size_after_inlining.
6691 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6693 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6695 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6697 PR tree-optimization/26996
6698 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6699 VECTOR_TYPE variables.
6701 2006-04-05 Richard Guenther <rguenther@suse.de>
6703 PR tree-optimization/26763
6704 * fold-const.c (fold_comparison): Move folding of
6705 PTR + CST CMP PTR + CST ...
6706 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6708 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6710 * doc/install.texi (Prerequisites): Refine some wording on
6711 bootstrapping and ksh.
6712 Move the version numbers of DejaGnu here from the testing section
6713 and fix casing of names.
6714 Fix markup and clarify wording for autogen requirements.
6715 Refer to GCJ instead of just java.
6716 Refer to SVN instead of CVS.
6717 Describe diffutils as useful instead of necessary.
6718 (Downloading the source): Refer to SVN instead of CVS.
6719 Adjust a link to our web site accordingly.
6720 (Configuration): Fix casing of Bison.
6721 (Building): Refer to SVN instead of CVS.
6722 Fix a sentence on the use of Bison and remove duplicate (and
6723 incorrect) version number of Bison requirement.
6724 Remove one redundant list of packages needed for building.
6725 (Specific): Avoid reference to CVS.
6727 2006-04-04 Eric Christopher <echristo@apple.com>
6729 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6730 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6731 (rs6000_handle_struct_attribute): New.
6732 (rs6000_ms_bitfield_layout_p): Ditto.
6734 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6736 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6737 NULL for dso parameter to atexit_common.
6739 2006-04-04 Eric Christopher <echristo@apple.com>
6741 * config/i386/i386.c (machopic_output_stub): Output \t
6742 between instructions and operands.
6744 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6746 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6747 satisfies_constraint_[IL] to explicit tests on value.
6749 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6751 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6752 set_nb_iterations_in_loop): Use build_int_cst instead of
6754 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6755 build_int_cst instead of convert.
6757 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6759 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6760 new value 2 for incoming.
6761 * function.c (expand_function_start): Call struct_value_rtx
6763 * config/sparc/sparc.md: Comment updated_return.
6764 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6765 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6766 struct return if sparc_std_struct_return and incoming is 2.
6767 (print_operand): Do not adjust return if
6768 sparc_std_struct_return.
6770 2006-04-04 Roger Sayle <roger@eyesopen.com>
6772 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6773 convert in the middle-end.
6774 * expr.c (store_expr, store_constructor, get_inner_reference,
6775 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6777 * tree.c (build_range_type): Likewise.
6779 2006-04-04 Tom Tromey <tromey@redhat.com>
6781 * doc/install.texi (Prerequisites): Mention jar.
6783 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6785 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6788 2006-04-04 Matthias Klose <doko@debian.org>
6790 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6794 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6797 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6799 * doc/extend.texi (Function Attributes): Rewrite visibility
6800 attribute documentation.
6801 * doc/invoke.texi (C++ Dialect Options): Rewrite
6802 -fvisibility-inlines-hidden documentation to describe something
6803 entirely different, although in practise compatible.
6804 (Code Gen Options): Warn about system headers in -fvisibility=
6807 * doc/extend.texi (Other Builtins): Document that
6808 __builtin_nan is a compile-time constant only when its argument
6811 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6813 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6814 trying to remove TRUNCATE check if all bits outside the new mode
6815 are identical to the sign bit.
6817 2006-04-03 Jeff Law <law@redhat.com>
6819 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6820 and operand scanning in some common cases.
6822 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6823 Dale Johannesen <dalej@apple.com>
6826 * regclass.c (struct reg_pref): Update documentation.
6827 (regclass): Set prefclass to NO_REGS if memory is the best option.
6828 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6829 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6830 into account. For non-registers, equate an empty preferred
6831 reload class to a `!' in the constraint; move the if clause to
6832 do so after those that reject the insn.
6833 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6835 (find_dummy_reload): Likewise.
6836 * doc/tm.texi (Register Classes): Document what it means
6837 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6838 * config/i386/i386.c (ix86_preferred_reload_class): Force
6839 using SSE registers (and return NO_REGS for floating-point
6840 constants) if math is done with SSE.
6841 (ix86_preferred_output_reload_class): New.
6842 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6843 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6844 * config/i386/i386.md: Remove # register preferences.
6846 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6849 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6850 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6851 the type of nb_iter.
6852 (instantiate_parameters_1): Convert the operands before calling
6853 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6854 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6856 2006-04-02 Roger Sayle <roger@eyesopen.com>
6858 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6859 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6861 * dojump.c (do_jump): Likewise.
6862 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6863 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6864 gimplify_boolean_expr): Likewise.
6865 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6866 * varasm.c (array_size_for_constructor): Likewise.
6867 * tree-object-size.c (compute_object_offset): Likewise.
6869 2006-04-02 Roger Sayle <roger@eyesopen.com>
6872 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6873 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6875 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6877 PR tree-optimization/26939
6878 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6880 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6882 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6883 at_stmt. Convert the type of operands before calling
6884 build_polynomial_chrec.
6885 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6887 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6888 (instantiate_parameters_1): Convert the type of operands before calling
6889 build_polynomial_chrec.
6890 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6891 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6892 reset_evolution_in_loop): Insert asserts to check the types of the
6894 (chrec_type): Moved...
6895 (eq_evolutions_p): Use operand_equal_p.
6896 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6897 the types of the operands.
6898 (chrec_type): ...here.
6899 * tree-data-ref.c (create_data_ref): Convert the operands before
6900 calling chrec_replace_initial_condition.
6901 (same_access_functions, analyze_subscript_affine_affine,
6902 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6903 (compute_subscript_distance, analyze_ziv_subscript,
6904 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6905 analyze_miv_subscript): Convert the operands before calling
6906 chrec_fold_minus or chrec_fold_plus.
6908 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6910 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6911 the dependence_relations vector.
6912 (compute_data_dependences_for_loop): Adjust call to
6913 compute_all_dependences.
6915 2006-04-01 Roger Sayle <roger@eyesopen.com>
6916 Richard Henderson <rth@redhat.com>
6918 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6919 gimple_boolify on the condition before calling gimplify_expr.
6921 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6923 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6924 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6925 the frame size. Update to use the new macros.
6926 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6927 * config/xtensa/ieee754-df.S: Likewise.
6929 2006-03-31 Richard Henderson <rth@redhat.com>
6931 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6932 (make_edges): ... here. Control fallthru creation with a local
6933 variable. Do not play with fake edges.
6934 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6935 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6938 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6940 * dwarf2.h (DW64_CIE_ID): Define.
6941 * dwarf2out.c (DWARF_CIE_ID): Define.
6942 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6943 length header. Use DWARF_CIE_ID.
6944 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6945 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6947 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6949 * config/sh/linux-atomic.asm: New file.
6950 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6952 2006-03-31 DJ Delorie <dj@redhat.com>
6954 * config/m32c/cond.md: Set condition flags properly throughout.
6955 * config/m32c/minmax.md: Likewise.
6956 * config/m32c/prologue.md: Likewise.
6957 * config/m32c/bitops.md: Likewise.
6958 * config/m32c/muldiv.md: Likewise.
6959 * config/m32c/mov.md: Likewise.
6960 * config/m32c/addsub.md: Likewise.
6961 * config/m32c/m32c.md: Likewise.
6962 * config/m32c/jump.md: Likewise.
6963 * config/m32c/shift.md: Likewise.
6965 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6966 conditionally output the pattern for this.
6967 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6968 (m32c_compare_redundant): New.
6969 (m32c_output_compare): New.
6970 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6972 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6973 dest, not src. Allow other 4-byte modes.
6975 2006-03-30 Denis Chertykov <denisc@overta.ru>
6977 * doc/md.texi: Refer to avr/constraints.md instead of
6980 2006-03-30 Roger Sayle <roger@eyesopen.com>
6982 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6983 signed vs. unsigned comparison failures on some hosts.
6985 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6988 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6989 change to FLOAT_REGS.
6991 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6992 (rs6000_override_options): Use it.
6993 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6994 only for -mabi=spe/no-spe and -mabi=altivec.
6996 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6998 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7001 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7003 * Makefile.in: Rename docdir to gcc_docdir.
7005 2006-03-30 Roger Sayle <roger@eyesopen.com>
7008 * expr.c (emit_group_store): Optimize group stores into a pseudo
7009 register by using a paradoxical subreg to initialize the destination
7010 if the first or last member of the group specifies a "low part".
7012 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7015 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7016 * target.h (struct gcc_target.speculate_insn): Change type of the
7017 second parameter to 'int'.
7018 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7019 the second operand of the DEPS_LIST.
7020 (copy_DEPS_LIST_list): Update reference to the second operand of the
7022 * rtl.h (alloc_DEPS_LIST): Update signature.
7023 * sched-int.h (ds_t): Change typedef to 'int'.
7024 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7026 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7028 * haifa-sched.c (try_ready): Change condition to restore
7029 non-speculative pattern of the instruction.
7030 (process_insn_depend_be_in_spec): Code to keep probability of the
7031 speculative dependence non-decreasing.
7033 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7035 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7036 (single_move_for_movmem): ... this. Also change all uses.
7037 (bfin_expand_strmov): Renamed to...
7038 (bfin_expand_movmem): ... this. Also change all uses.
7039 * config/bfin/bfin.md (movstrsi): Renamed to...
7040 (movstrsi): ...this.
7042 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7044 PR tree-optimization/26830
7046 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7047 (copy_prop_visit_stmt): Remove write-only variable ann.
7048 (init_copy_prop): Check variable loop depth here. Do not simulate
7049 memory-tag and virtual operand PHIs except for store copy prop.
7051 2006-03-30 Richard Guenther <rguenther@suse.de>
7053 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7054 variants with double arguments.
7056 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7058 * genpreds.c (write_tm_constrs_h): Delete variable p.
7059 * genconditions.c (write_header): Add tm-constrs.h to included
7061 * genpeep.c (main): Add toplev.h to included headers.
7062 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7063 (build/genpeep.o): Add toplev.h dependency.
7064 * config/rs6000/constraints.md: Add "W" constraint.
7066 2006-03-29 Roger Sayle <roger@eyesopen.com>
7068 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7069 sizes by correctly testing whether the size fits a host integer.
7070 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7071 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7072 SImode range for the default sizetype and bitsizetype.
7074 2006-03-29 Roger Sayle <roger@eyesopen.com>
7076 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7077 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7078 quickly if the argument is already of the correct type.
7079 Call fold_build1 instead of build1. Tidy up blank lines.
7081 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7083 * genemit.c (main): Add tm-constrs.h to included headers.
7084 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7085 * genpeep.c (main): Add tm-constrs.h to included headers.
7086 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7087 (write_tm_constrs_h): this and write complete file.
7088 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7089 (write_insn_preds_c): Add tm-constrs.h to included headers.
7090 (gen_constrs): New variable.
7091 (parse_option): Parse "-c".
7092 (main): Invoke write_tm_constrs_h.
7093 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7094 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7095 (object_out_file): Add tm-constrs.h dependency.
7096 (insn-emit.o): Same.
7097 (insn-output.o): Same.
7098 (insn-peep.o): Same.
7099 (insn-preds.o): Same.
7100 (insn-recog.o): Same.
7101 (tm-constsr.h): New target.
7102 (s-constrs-h): New target.
7104 * config/rs6000/constraints.md: New file.
7105 * config/rs6000/rs6000.c: Include tm-constrs.h.
7106 (num_insn_constant_wide): Convert to satisfies_constraint.
7107 (rs6000_rtx_costs): Convert to satisfies_constraint.
7108 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7109 (CONST_OK_FOR_LETTER_P): Delete.
7110 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7111 (EXTRA_CONSTRAINT): Delete.
7112 (EXTRA_MEMORY_CONSTRAINT): Delete.
7113 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7114 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7115 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7116 satisfies_constraint.
7118 * config/i386/i386.c: Include tm-constrs.h.
7120 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7122 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7123 * tree-data-ref.c (find_data_references_in_loop,
7124 compute_data_dependences_for_loop): Use pointers to VEC.
7125 (analyze_all_data_dependences): Adjust calls.
7126 * tree-data-ref.h (find_data_references_in_loop,
7127 compute_data_dependences_for_loop): Adjust declarations.
7128 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7129 compute_data_dependences_for_loop.
7131 2006-03-29 Paul Brook <paul@codesourcery.com>
7133 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7136 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7138 PR tree-optimization/26859
7139 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7141 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7142 for the step after fold_convert.
7144 2006-03-29 Paul Brook <paul@codesourcery.com>
7146 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7147 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7149 2006-03-29 Paul Brook <paul@codesourcery.com>
7152 * targhooks.c (default_narrow_bitfield): New fuction.
7153 * targhooks.h (default_narrow_bitfield): add prototype.
7154 * target.h (gcc_target): Add narrow_volatile_bitfield.
7155 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7156 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7157 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7158 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7160 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7162 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7164 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7165 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7166 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7167 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7168 (s390_function_arg_float): Allow SDmode and DDmode values to be
7169 passed in floating point registers.
7170 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7171 check with SCALAR_FLOAT_MODE_P.
7172 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7174 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7176 PR tree-optimization/25985
7177 * tree-ssa-loop-niter.c (number_of_iterations_le,
7178 number_of_iterations_ne): Make comments more precise.
7179 (number_of_iterations_cond): Add only_exit argument. Use the
7180 fact that signed variables do not overflow only when only_exit
7182 (loop_only_exit_p): New.
7183 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7184 number_of_iterations_cond.
7186 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7188 PR tree-optimization/26643
7189 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7192 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7194 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7195 (divsi3_i4_int): Likewise.
7197 2006-03-28 Roger Sayle <roger@eyesopen.com>
7199 * expr.c (emit_group_store): Only create a new pseudo reg if the
7200 quantity it needs to hold isn't already a suitable pseudo.
7202 2006-03-28 Jeff Law <law@redhat.com>
7204 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7205 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7207 2006-03-28 Roger Sayle <roger@eyesopen.com>
7209 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7210 the equivalent ~X & Y, and the symmetry related transformations.
7211 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7212 ~X & Y, and symmetry related transforms.
7214 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7216 Revert my 2006-03-27 patches.
7218 2006-03-28 Roger Sayle <roger@eyesopen.com>
7220 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7221 ~(T1)X, when T1 and T2 are integer types of the same precision
7222 and (T2)X isn't an extension.
7224 2006-03-28 Jeff Law <law@redhat.com>
7226 PR tree-optimization/26796
7227 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7228 need EH edge cleanups rather than purging them immediately.
7229 (eliminate_degenerate_phis): Handle queued EH cleanups.
7231 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7233 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7236 2006-03-27 Roger Sayle <roger@eyesopen.com>
7239 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7240 cast BIT_NOT_EXPR operand to the correct type.
7242 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7244 * tree-loop-linear.c: Don't include varray.h.
7245 (gather_interchange_stats, try_interchange_loops,
7246 linear_transform_loops): Use VEC instead of VARRAY.
7247 * lambda-mat.c: Don't include varray.h.
7248 * tree-chrec.c: Same.
7249 * lambda-trans.c: Same.
7250 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7251 VEC instead of VARRAY.
7252 * tree-vectorizer.h: Idem.
7253 * tree-data-ref.c (dump_data_references,
7254 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7255 initialize_data_dependence_relation, finalize_ddr_dependent,
7256 compute_all_dependences, find_data_references_in_loop,
7257 compute_data_dependences_for_loop, analyze_all_data_dependences,
7258 free_dependence_relation, free_dependence_relations,
7259 free_data_refs): Idem.
7260 * tree-data-ref.h (data_reference_p, subscript_p): New.
7261 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7262 VEC instead of VARRAY.
7263 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7264 (find_data_references_in_loop, compute_data_dependences_for_loop,
7265 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7266 dump_data_dependence_relations, free_dependence_relations,
7267 free_data_refs): Adjust declaration.
7268 (lambda_transform_legal_p): Move declaration here...
7269 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7270 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7271 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7272 vect_analyze_data_refs): Use VEC instead of VARRAY.
7273 * lambda.h (lambda_transform_legal_p): ...from here.
7274 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7275 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7276 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7277 tree-chrec.o): Don't depend on VARRAY_H.
7279 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7281 * rtl.def (Copyright): Update date.
7282 (DEPS_LIST): Change type of the second operand to 'int'.
7283 * target.h (Copyright): Update date.
7284 (struct gcc_target.speculate_insn): Change type of the second parameter
7286 * lists.c (Copyright): Update date.
7287 (alloc_DEPS_LIST): Change signature. Update reference to the second
7288 operand of the DEPS_LIST.
7289 (copy_DEPS_LIST_list): Update reference to the second operand of the
7291 * rtl.h (Copyright): Update date.
7292 (alloc_DEPS_LIST): Update signature.
7293 * sched-int.h (Copyright): Update date.
7294 (ds_t): Change typedef to 'int'.
7295 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7297 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7299 * haifa-sched.c (Copyright): Update date.
7300 (try_ready): Change condition to restore non-speculative pattern
7302 (process_insn_depend_be_in_spec): Code to keep probability of the
7303 speculative dependence non-decreasing.
7305 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7307 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7308 shut up the compiler.
7310 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7312 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7313 to use lib prefix for target.
7314 ($(T)libic_invalidate_array_4-200.a): Likewise.
7315 ($(T)libic_invalidate_array_4a.a): Likewise.
7317 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7318 J"orn Rennecke <joern.rennecke@st.com>
7320 * superh.opt: New file.
7321 * sh.c (boardtype, osruntime): Remove.
7322 * superh.h (SUBTARGET_OPTIONS): Remove.
7323 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7325 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7326 arguments with ^ and/or [].
7328 * config.gcc (sh-*-*): Add quoting to account for quirk of
7330 Replace == with = in enable_incomplete_targets test.
7332 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7333 with MASK_LITTLE_ENDIAN.
7335 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7336 * config/sh/sh.opt: Added to some comments.
7337 * config/sh/superh.h: Removed some chaff.
7339 * config/sh/sh.opt: Add m4-[1234]00* options.
7340 * config/sh/sh.c (sh_handle_option): Likewise.
7341 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7342 (ic_invalidate_array_4-100.o): New rule.
7343 ($(T)libic_invalidate_array_4-100.a): Likewise.
7344 (ic_invalidate_array_4-200.o): Likewise.
7345 ($(T)libic_invalidate_array_4-200.a): Likewise.
7346 (ic_invalidate_array_4a.o): Likewise.
7347 ($(T)libic_invalidate_array_4a.a): Likewise.
7348 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7349 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7351 * config/sh/crt1.asm: Merged in profiling code.
7352 * config/sh/superh.h (STARTFILE_SPEC): Override.
7353 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7354 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7355 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7357 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7358 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7359 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7361 * sh.opt (mpretend-cmove): New option.
7362 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7363 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7364 (movsicc): Add TARGET_PRETEND_CMOVE code.
7366 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7368 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7369 s390_class_max_nregs): New function prototypes.
7370 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7371 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7372 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7373 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7375 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7377 * dwarf2out.c (add_location_or_const_value_attribute): Call
7378 tree_add_const_value_attribute if nothing else works.
7379 (reference_to_unused): New.
7380 (rtl_for_decl_init): Use reference_to_unused to decide whether
7381 to output an initializer.
7383 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7386 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7387 peephole removing spe frob_di_df_2.
7389 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7391 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7392 (subscript_dependence_tester_1): Declared.
7393 (print_dir_vectors, print_dist_vectors): New.
7394 (debug_data_dependence_relation): New.
7395 (dump_data_dependence_relation): Print more details.
7396 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7397 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7398 (save_dist_v, save_dir_v, add_outer_distances,
7399 build_classic_dist_vector_1): New.
7400 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7401 Don't test for lambda_vector_lexico_pos.
7402 (same_access_functions, add_multivariate_self_dist,
7403 add_other_self_distances, dir_from_dist): New.
7404 (build_classic_dir_vector): Replace implementation almost identical to
7405 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7407 (subscript_dependence_tester_1): New.
7408 (subscript_dependence_tester): Handle the lexicographically negative
7409 distance vectors by recomputing the dependence relation.
7410 (compute_affine_dependence): Remove parameter loop_nest_depth.
7411 (compute_self_dependence): Don't call compute_subscript_distance.
7412 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7413 Add a parameter for the loop_nest.
7414 (find_loop_nest_1, find_loop_nest): New.
7415 (compute_data_dependences_for_loop): Compute the loop nest, and give
7416 up if the nest is not well formed.
7417 * tree-data-ref.h (loop_p): New.
7418 (struct data_dependence_relation): Replace size_vect field with
7419 loop_nest, a vec of loops.
7420 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7421 (DDR_LOOP_NEST): New.
7422 (print_dir_vectors, print_dist_vectors,
7423 debug_data_dependence_relation): Declared.
7424 (index_in_loop_nest): New.
7425 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7426 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7429 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7431 * simplify-rtx.c (simplify_relational_operation): Call
7432 simplify_relational_operation_1 even if mode is VOIDmode.
7434 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7436 PR tree-optimization/26804
7437 * tree.h (DECL_CALL_CLOBBERED): New macro.
7438 (tree_decl_common): Add call_clobbered_flag.
7439 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7440 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7441 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7442 (mark_non_addressable): Ditto.
7443 * tree-ssa.c (verify_call_clobbered): New function.
7444 (verify_alias_info): Use it.
7445 * tree-pass.h (pass_reset_cc_flags): New prototype.
7446 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7447 (reset_cc_flags): New function.
7448 * passes.c (init_optimization_passes): Call reset_cc_flags after
7449 initializing referenced_vars.
7451 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7452 Roger Sayle <roger@eyesopen.com>
7455 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7456 to 1.0 for non-real operands. Implement A / A optimization for
7459 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7461 * config/i386/i386.c (size_cost): Correct the comment for
7462 cost of storing fp registers.
7463 (i386_cost): Likewise.
7464 (i486_cost): Likewise.
7465 (pentium_cost): Likewise.
7466 (pentiumpro_cost): Likewise.
7467 (k6_cost): Likewise.
7468 (athlon_cost): Likewise.
7469 (k8_cost): Likewise.
7470 (pentium4_cost): Likewise.
7471 (nocona_cost): Likewise.
7472 (generic64_cost): Likewise.
7473 (generic32_cost): Likewise.
7475 2006-03-24 Denis Chertykov <denisc@overta.ru>
7477 * config/avr/avr-protos.h (extra_constraint): Delete.
7478 (extra_constraint_Q): New declaration.
7479 * config/avr/constraints.md: New file.
7480 * config/avr/avr.md: Include it.
7481 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7482 (TMP_REGNO, ZERO_REGNO): Likewise.
7483 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7484 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7485 (extra_constraint): Delete.
7486 (extra_constraint_Q): Test for memory constraint 'Q'.
7487 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7488 (REG_CLASS_FROM_LETTER): Delete.
7489 (CONST_OK_FOR_LETTER_P): Delete.
7490 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7491 (EXTRA_CONSTRAINT): Delete.
7492 (TMP_REGNO): Delete.
7493 (ZERO_REGNO): Delete.
7495 2006-03-24 Jeff Law <law@redhat.com>
7497 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7498 directly. Call mark_new_vars_to_rename slightly earlier.
7500 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7502 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7504 (gen_compile_unit_die): Use new language types for Objective-C and
7506 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7507 DW_LANG_C_plus_plus.
7510 * config/t-darwin (crt3.o): Work around bug 26840.
7511 * config/darwin-crt3.c: Rewrite.
7512 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7514 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7516 * doc/invoke.texi: Document -femit-class-debug-always
7517 * common.opt: Add -femit-class-debug-always.
7519 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7521 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7522 index and base register.
7523 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7524 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7525 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7526 REGNO_OK_FOR_INDEX_P.
7527 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7529 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7530 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7531 REG_OK_FOR_BASE_P): Definitions removed.
7533 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7536 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7537 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7538 set yet or weren't marked as local yet.
7540 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7542 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7545 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7547 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7548 (rs6000_legitimate_small_data_p): Delete.
7549 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7550 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7551 and make static. Add forward declaration. Update uses.
7552 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7553 of offsettable_memref_p.
7554 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7555 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7557 2006-03-24 Jeff Law <law@redhat.com>
7559 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7560 around bug in immediate-use iterator.
7562 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7565 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7566 or __LITTLE_ENDIAN__.
7568 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7570 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7571 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7572 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7573 * config/sh/sh.opt (mdiv=): Amend description.
7574 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7575 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7576 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7577 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7578 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7579 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7580 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7581 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7582 TARGET_DIVIDE_CALL_FP.
7584 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7586 * haifa-sched.c (choose_ready): Fix type of the local variable.
7587 Move local variables. Add comment.
7588 (check_reg_live): Change signature. Make callable from debugger.
7589 * sched-int.h (check_reg_live): Update signature.
7590 * sched-ebb.c (check_reg_live): Update parameters.
7591 * sched-rgn.c (check_reg_live): Ditto.
7592 (region_head_or_leaf_p): Check pointer before dereferencing.
7593 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7594 before reload on optimization levels below 1.
7596 2006-03-23 Richard Henderson <rth@redhat.com>
7598 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7602 * config/alpha/predicates.md (local_symbolic_operand): Reject
7605 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7608 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7609 expressions which have overflowed constants.
7611 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7613 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7615 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7617 * cfgloopmanip.c (create_loop_notes): Removed.
7618 * final.c (final_scan_insn): Do not handle loop notes.
7619 * jump.c (squeeze_notes): Ditto.
7620 * cfglayout.c (skip_insns_after_block,
7621 duplicate_insn_chain): Ditto.
7622 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7624 * cfgloop.h (create_loop_notes): Declaration removed.
7626 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7628 * varasm.c (output_constant_pool): Restore fnname and fndecl
7630 (assemble_start_function): Adjust call accordingly.
7631 (assemble_end_function): Likewise.
7633 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7636 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7639 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7641 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7644 * system.h (ICE_EXIT_CODE): New macro.
7645 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7646 (diagnostic_action_after_output): Likewise.
7647 * gcc.c (fatal_ice): New function.
7648 (execute): Use it instead of fatal.
7649 (fancy_abort): Likewise.
7650 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7652 2006-03-22 Jeff Law <law@redhat.com>
7654 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7655 iv_analyze_result returning false.
7657 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7659 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7661 2006-03-22 Richard Henderson <rth@redhat.com>
7664 * except.c (duplicate_eh_regions_0): New.
7665 (duplicate_eh_region_1): Duplicate the children of the node as
7666 well as the node itself. Link them up properly.
7667 (duplicate_eh_region_2): Merge into ...
7668 (duplicate_eh_regions): ... here. Take copy_region argument, and
7669 copy only a sub-tree if asked. Simplify copying and fixup.
7670 (eh_region_outer_p): New.
7671 * except.h (duplicate_eh_regions): Update decl.
7672 (eh_region_outer_p): Declare.
7673 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7674 (lower_omp_master): Likewise.
7675 (lower_omp_ordered): Likewise.
7676 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7677 (move_stmt_r): Use it to remap labels. Handle recursion vs
7678 remap_decls_p properly.
7679 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7680 (find_outermost_region_in_block): New.
7681 (new_label_mapper): New.
7682 (move_sese_region_to_fn): Copy eh information to the new function
7684 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7686 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7689 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7691 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7692 into shared libraries.
7694 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7696 * doc/md.texi: Refer to i386/constraints.md instead of
7698 * config/i386/constraints.md: New file, extracted from...
7699 * config/i386/predicates.md: ...here.
7700 * config/i386/i386.md: Include constraints.md.
7702 2006-03-21 Jason Merrill <jason@redhat.com>
7704 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7707 * expr.c (init_block_move_fn): Force default visibility.
7708 (init_block_clear_fn): Likewise.
7709 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7710 * targhooks.c (default_external_stack_protect_fail): Likewise.
7712 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7714 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7715 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7716 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7717 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7718 (loadgp): Use mips_current_loadgp_style.
7719 (loadgp_noshared): New pattern.
7720 (sibcall_internal): Use MIPS_CALL.
7721 (sibcall_value_internal): Likewise.
7722 (sibcall_value_multiple_internal): Likewise.
7723 (call_internal): Likewise.
7724 (call_value_internal): Likewise.
7725 (call_value_multiple_internal): Likewise.
7726 (call_split): Use MIPS_CALL and add an 'S' constraint.
7727 (call_value_split): Likewise.
7728 (call_value_multiple_split): Likewise.
7729 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7730 (-mshared): New option.
7731 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7732 (mips_current_loadgp_style): Declare.
7733 * config/mips/mips.c (mips_classify_symbol): Avoid using
7734 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7735 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7736 TARGET_ABSOLUTE_ABICALLS.
7737 (override_options): Adjust comments. Improve the warning that is
7738 issued when -mabicalls and -G are used together.
7739 (mips_file_start): Remove comment.
7740 (mips_current_loadgp_style): New function.
7741 (mips_gnu_local_gp): New variable.
7742 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7744 (mips_output_function_prologue): Use mips_current_laodgp_style.
7745 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7746 the cprestore instruction.
7747 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7748 live for TARGET_ABSOLUTE_ABICALLS.
7749 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7750 (ASM_SPEC): Pass down -mshared and -mno-shared.
7751 (MIPS_CALL): New macro.
7752 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7754 * doc/invoke.texi (-mabicalls): Update documentation.
7755 (-mshared): Document.
7757 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7759 * config/ia64/unwind-hpux.c: New file.
7760 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7762 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7765 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7767 2006-03-21 Jeff Law <law@redhat.com>
7769 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7770 type conversions of a VR_VARYING source to a wider type.
7772 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7774 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7775 tm_file on Solaris 10 and later.
7776 (sparc64-*-solaris2*): Likewise.
7777 (sparc-*-solaris2*): Likewise.
7778 * config/sol26.h: Rename to config/sol2-6.h.
7779 * config/sol2-10.h: New file.
7781 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7784 * tree-ssa-pre.c (create_component_ref_by_pieces):
7787 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7790 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7791 return it immediately.
7793 2006-03-21 Michael Matz <matz@suse.de>
7795 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7797 (remove_arc, add_arc): Update num_out_arcs member.
7798 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7800 (cache_presence): New function.
7801 (compare_states_for_equiv): New function.
7802 (state_is_differed): Don't take number of outargs, adjust callers.
7803 Use new invariant for speeding up.
7804 (init_equiv_class): Create initial classes based on sorted
7806 (partition_equiv_class): Don't track out_arcs_num.
7807 (evaluate_equiv_classes): Call cache_presence on all states and
7810 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7812 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7813 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7814 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7815 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7817 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7818 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7819 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7820 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7821 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7823 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7824 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7825 (REGNO_REG_CLASS): ARGP is in PREGS.
7826 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7828 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7829 to deal with those addresses.
7830 * addresses.h: New file.
7831 * caller-save.c: Include "addresses.h".
7832 (init_caller_save): Use new base_reg_class function.
7833 * rtl-factoring.c: Include "addresses.h".
7834 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7835 * recog.c: Include "addresses.h".
7836 (preprocess_constraints): Use new base_reg_class function.
7837 * regrename.c: Include "addresses.h".
7838 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7839 functions. Keep track of a new var INDEX_CODE to compute valid
7841 (replace_oldest_value_addr): Likewise.
7842 (replace_oldest_value_mem): Use base_reg_class.
7843 * reload.c: Include "addresses.h".
7844 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7845 (find_reloads): Use new base_reg_class function.
7846 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7847 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7848 all callers and prototype changed.
7849 * reload1.c: Include "addresses.h".
7850 (maybe_fix_stack_asms): Use base_reg_class.
7851 * regclass.c: Include "addresses.h".
7852 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7853 (init_reg_autoinc): Use new base_reg_class function.
7854 (record_reg_classes): Likewise.
7855 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7856 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7857 Use new args to compute necessary class.
7859 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7860 regrename.o, rtl-factoring.o): Update dependencies.
7861 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7862 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7863 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7864 REG_OK_FOR_INDEX_P): Delete documentation.
7866 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7868 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7869 from V7 to V9 for Solaris 7 and above.
7871 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7873 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7874 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7875 argument pointers may not alias any other storage.
7876 * common.opt: Define option -fargument-noalias-anything.
7877 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7878 alias semantics is specified by flag_argument_noalias > 2.
7880 2006-03-20 Jeff Law <law@redhat.com>
7882 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7883 (pass_phi_only_cprop): Declare.
7884 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7886 * tree-ssa-dom.c (degenerate_phi_result): New function.
7887 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7888 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7889 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7890 (eliminate_degenerate_phis): Likewise.
7891 (pass_phi_only_cprop): New pass descriptor.
7892 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7893 support code. Callers updated.
7894 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7895 (store_copy_prop): Likewise.
7896 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7898 2006-03-20 Jason Merrill <jason@redhat.com>
7901 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7902 (push_visibility, pop_visibility): Likewise.
7903 * c-pragma.h: Declare them.
7905 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7907 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7909 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7910 parameter and use get_ebb_head_tail.
7911 (sh_md_init_global): Adjust uses of find_regmode_weight.
7913 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7915 * function.h (struct function) <x_tail_recursion_reentry>:
7916 Rename to x_stack_check_probe_note.
7917 (tail_recursion_reentry): Rename to stack_check_probe_note.
7918 * function.c: Replace tail_recursion_reentry with
7919 stack_check_probe_note everywhere.
7920 (expand_function_start): Only emit a note for
7921 stack_check_probe_note with -fstack-protect.
7922 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7924 * emit-rtl.c (remove_unnecessary_notes): Remove.
7925 (pass_remove_unnecessary_notes): Remove.
7926 * rtl.h (remove_unnecessary_notes): Remove prototype.
7927 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7928 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7929 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7931 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7934 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7935 (valid_in_set): Handle ARRAY_REF.
7936 Change "if min_variant or VH" to asserts.
7937 (create_component_ref_by_pieces): Handle ARRAY_REF.
7938 (create_expression_by_pieces): Likewise.
7939 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7941 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7943 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7944 is operand of switch, not str[0].
7946 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7948 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7949 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7951 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7953 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7954 end of insn_extra_address_constraint declaration.
7956 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7958 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7959 (no-sum-in-toc): Same.
7960 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7962 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7963 NO_FP_IN_TOC for -fPIC instead of mask.
7965 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7966 (BOOT_LDFLAGS): Delete.
7968 * config/rs6000/t-aix52: Same.
7970 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7971 (stmsi[345678]_power): New.
7973 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7975 * config/ia64/ia64.opt: Add empty line to end of file.
7977 2006-03-17 Richard Guenther <rguenther@suse.de>
7980 * builtins.c (get_pointer_alignment): For component style references
7981 adjust alignment to the component type alignment. Make sure
7982 to adjust alignment for component access of constants.
7984 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7986 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7989 2006-03-17 Paul Brook <paul@codesourcery.com>
7991 * doc/install.texi: Docuemnt --with-mode.
7992 * config.gcc: Add --with-mode for arm*-*-*.
7993 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7995 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7997 * sh.c (max_labelno_before_reorg): New variable.
7998 (sh_reorg): Initialize it.
7999 (find_barrier): Check max_labelno_before_reorg before using
8000 label_to_alignment. Take length of explicit alignment insns
8001 into account. When seeing a UNSPECV_CONST_END, return it.
8003 * sh.c (fixup_mova): Set mode of affected label to QImode.
8004 (untangle_mova): New function.
8005 (find_barrier): Use it. Check mode of label before decrementing
8007 (sh_reorg): Likewise.
8008 Set mode of all insns back to VOIDmode.
8010 * sh.c (MOVA_LABELREF): New macro.
8011 (mova_p, fixup_mova, sh_reorg): Use it.
8012 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8013 ADDR_DIFF_VEC matches mova.
8015 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8017 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8018 with ATTRIBUTE_UNUSED.
8020 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8022 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8023 pointer, instead of assuming it is possible to derive the
8024 correct args size from a call insn.
8026 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8028 * rtl.h (CONST_INT_P): Define.
8029 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8030 instead of GET_CODE(x) == CONST_INT.
8031 (vax_rtx_costs): Likewise.
8032 (vax_output_int_move): Likewise.
8033 (vax_output_int_add): Likewise.
8034 (legitimate_constant_address_p): Likewise.
8035 (index_term_p): Likewise.
8036 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8037 * config/vax/vax.md (and<mode>3): Likewise.
8038 (ashrsi3): Likewise.
8040 (movstricthi): Likewise.
8041 (movstrictqi): Likewise.
8042 (rotrsi3): Likewise.
8043 (five unnamed insns): Likewise.
8045 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8047 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8048 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8049 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8050 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8051 Pass to ASM_OUTPUT_DWARF_OFFSET.
8052 * dwarf2out.c (debug_frame_section): New.
8053 (output_call_frame_info): Use debug_frame_section. Pass it to
8054 dw2_asm_output_offset.
8055 (output_die): Pass appropriate section to dw2_asm_output_offset.
8056 (output_compilation_unit_header): Likewise.
8057 (output_pubnames): Likewise.
8058 (output_aranges): Likewise.
8059 (enum dw_val_class): Break dw_val_class_lbl_offset into
8060 dw_val_class_lineptr and dw_val_class_macptr.
8061 (add_AT_lbl_offset): Delete.
8062 (add_AT_lineptr): New.
8063 (add_AT_macptr): New.
8064 (AT_lbl): Expect a lineptr or macptr.
8065 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8066 (attr_checksum): Likewise.
8067 (same_dw_val_p): Likewise.
8068 (size_of_die): Likewise.
8069 (value_format): Likewise.
8070 (output_die): Likewise.
8071 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8073 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8074 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8075 * config/darwin-protos.h (darwin_file_start): New.
8076 (darwin_asm_output_dwarf_offset): New.
8077 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8078 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8080 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8081 if not EH section; simplify.
8082 (darwin_file_start): New.
8083 (darwin_asm_output_dwarf_offset): New.
8084 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8086 (DEBUG_INFO_SECTION): Likewise.
8087 (DEBUG_ABBREV_SECTION): Likewise.
8088 (DEBUG_ARANGES_SECTION): Likewise.
8089 (DEBUG_MACINFO_SECTION): Likewise.
8090 (DEBUG_LINE_SECTION): Likewise.
8091 (DEBUG_LOC_SECTION): Likewise.
8092 (DEBUG_PUBNAMES_SECTION): Likewise.
8093 (DEBUG_STR_SECTION): Likewise.
8094 (DEBUG_RANGES_SECTION): Likewise.
8095 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8096 (ASM_OUTPUT_DWARF_OFFSET): New.
8098 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8100 * config.gcc (tm_defines): Always add to previous value rather
8103 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8105 * config/mips/predicates.md (splittable_const_int_operand): New,
8106 split from move_operand.
8107 (splittable_symbolic_operand): New.
8108 (move_operand): Add commentary. Use splittable_const_int_operand.
8109 Inline mips_atomic_symbolic_constant_p.
8110 * config/mips/mips.md: Add combine splitters for handling moves
8111 of splittable_const_int_operands and splittable_symbolic_operands.
8112 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8113 (mips_split_symbol): Declare.
8114 (mips_move_integer): Declare.
8115 * config/mips/mips.c (mips_split_p): Make global.
8116 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8117 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8118 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8119 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8120 (mips_offset_within_object_p): Handle block symbols.
8121 (mips_atomic_symbolic_constant_p): Delete.
8122 (mips_cannot_force_const_mem): Return false for constants that
8123 mips_legitimize_move can handle.
8124 (mips_use_blocks_for_constant_p): New function.
8125 (mips_split_symbol): Make global.
8126 (mips_move_integer): Likewise. Add a temporary register argument.
8127 (mips_legitimize_const_move): Use splittable_const_int_operand and
8128 splittable_symbolic_operand.
8129 (mips_use_anchors_for_symbol_p): New function.
8130 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8131 (mips_split_p): Declare.
8133 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8135 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8136 (mips*-*-linux*): Likewise.
8138 2006-03-16 Roger Sayle <roger@eyesopen.com>
8139 Daniel Speyer <dspeyer@wam.umd.edu>
8142 * tree-dump.c (dump_real): New function.
8143 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8144 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8145 (tree-dump.o): Add $(REAL_H) to the dependencies.
8147 2006-03-16 Roger Sayle <roger@eyesopen.com>
8150 * real.c (real_from_string): If the mantissa is zero, don't bother
8151 parsing the exponent as the result should always be zero.
8153 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8155 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8157 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8159 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8160 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8161 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8162 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8163 ia64_sched_finish_global): New static functions to implement
8164 hooks from gcc_target.sched.
8165 (spec_check_no, max_uid, pending_data_specs): New static variables.
8166 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8167 ia64_spec_check_src_p): New static functions.
8168 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8169 (TARGET_SCHED_ADJUST_COST): Removed.
8170 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8171 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8172 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8173 TARGET_SCHED_GEN_CHECK,
8174 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8175 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8176 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8177 Fixed to handle speculation checks.
8178 (rtx_needs_barrier): Fixed to handle speculative loads and
8180 (ia64_variable_issue): Added code to count speculative loads and their
8182 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8184 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8186 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8188 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8189 (ia64_reorg): Reset stops_p to NULL after it is freed.
8190 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8191 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8192 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8194 (data_speculative, control_speculative, check_load): New attributes.
8195 (mov<mode>_advanced, mov<mode>_speculative,
8196 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8197 zero_extend<mode>di2_speculative,
8198 zero_extend<mode>di2_speculative_advanced): New patterns for
8199 data and control speculative loads.
8200 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8202 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8203 New pattern for data and control speculation checks.
8204 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8205 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8206 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8207 Auxiliary definitions for the patterns.
8208 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8209 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8211 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8213 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8214 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8215 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8216 New resource constraints.
8217 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8219 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8220 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8221 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8222 msched-in-control-spec, msched-ldc, msched-control-ldc,
8223 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8224 msched-prefer-non-control-spec-insns,
8225 msched-count-spec-in-critical-path): New flags to tune speculative
8227 * doc/invoke.texi (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): Document new flags.
8234 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8236 * target.h (struct spec_info_def): New opaque declaration.
8237 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8238 speculate_insn, needs_block_p, gen_check,
8239 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8240 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8241 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8242 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8243 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8244 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8246 (TARGET_SCHED): Use new macros.
8247 * rtl.h (copy_DEPS_LIST_list): New prototype.
8248 * sched-int.h (struct sched_info): Change signature of new_ready field,
8249 adjust all initializations. New fields: add_remove_insn,
8250 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8251 region_head_or_leaf_p.
8252 (struct spec_info_def): New structure declaration.
8253 (spec_info_t): New typedef.
8254 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8255 recovery_block, orig_pat.
8256 (glat_start, glat_end): New variables declaraions.
8257 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8259 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8260 DETACH_LIFE_INFO, USE_GLAT.
8261 (enum SPEC_SCHED_FLAGS): New enumeration.
8262 (NOTE_NOTE_BB_P): New macro.
8263 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8264 attach_life_info, debug_spec_status, check_reg_live): New functions.
8265 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8266 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8268 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8269 * ddg.c (get_block_head_tail): Adjust all uses.
8270 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8271 (sms_sched_info): Initialize new fields.
8272 (contributes_to_priority): Removed.
8273 * haifa-sched.c (params.h): New include.
8274 (get_block_head_tail): Adjust all uses.
8275 (ISSUE_POINTS): New macro.
8276 (glat_start, glat_end): New global variables.
8277 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8278 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8279 old_last_basic_block, before_recovery, current_sched_info_var,
8280 rgn_n_insns, luid): New static variables.
8281 (insn_cost1): New function. Move logic from insn_cost to here.
8282 (find_insn_reg_weight1): New function. Move logic from
8283 find_insn_reg_weight to here.
8284 (reemit_notes, move_insn, max_issue): Change signature.
8285 (move_insn1): Removed.
8286 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8287 extend_bb): New static functions to support extension of scheduler's
8289 (generate_recovery_code, process_insn_depend_be_in_spec,
8290 begin_speculative_block, add_to_speculative_block,
8291 init_before_recovery, create_recovery_block, create_check_block_twin,
8292 fix_recovery_deps): New static functions to support
8293 generation of recovery code.
8294 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8295 restore_bb_notes, move_block_after_check, move_succs): New static
8296 functions to support ebb scheduling.
8297 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8298 functions to support handling of register live information.
8299 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8300 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8301 add_jump_dependencies): New static functions.
8302 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8303 consistancy checking.
8304 (debug_spec_status): New function to call from debugger.
8305 (priority): Added code to handle speculation checks.
8306 (rank_for_schedule): Added code to distinguish speculative instructions.
8307 (schedule_insn): Added code to handle speculation checks.
8308 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8309 Fixed to handle ebbs.
8310 (move_insn): Added code to handle ebb scheduling.
8311 (max_issue): Added code to use ISSUE_POINTS of instructions.
8312 (choose_ready): Added code to choose between speculative and
8313 non-speculative instructions.
8314 (schedule_block): Added code to handle ebb scheduling and scheduling of
8315 speculative instructions.
8316 (sched_init): Initialize new variables.
8317 (sched_finish): Free new variables. Print statistics.
8318 (try_ready): Added code to handle speculative instructions.
8319 * lists.c (copy_DEPS_LIST_list): New function.
8320 * sched-deps.c (extend_dependency_caches): New function. Move logic
8321 from create_dependency_caches to here.
8322 (get_dep_weak, ds_merge): Make global.
8323 * genattr.c (main): Code to output prototype for
8324 dfa_clear_single_insn_cache.
8325 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8326 (output_dfa_clean_insn_cache_func): Code to output
8327 dfa_clear_single_insn_cache function.
8328 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8330 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8332 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8333 New static variables.
8334 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8335 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8337 (ebb_sched_info): Initialize new fields.
8338 (get_block_head_tail): Adjust all uses.
8339 (compute_jump_reg_dependencies): Fixed to use glat_start.
8340 (schedule_ebb): Code to remove unreachable last block.
8341 (schedule_ebbs): Added code to update register live information.
8342 * sched-rgn.c (region_sched_info): Initialize new fields.
8343 (get_block_head_tail): Adjust all uses.
8344 (last_was_jump): Removed. Adjust users.
8345 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8346 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8347 Implement new hooks.
8348 (check_dead_notes1): New static function.
8349 (struct region): New fields: dont_calc_deps, has_real_ebb.
8350 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8351 (BB_TO_BLOCK): Fixed to handle EBBs.
8352 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8353 (ebb_head): New static variable.
8354 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8355 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8357 (compute_dom_prob_ps): New assertion.
8358 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8359 global_live_at_start.
8360 (init_ready_list): New assertions.
8361 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8362 (new_ready): Add support for BEGIN_CONTROL speculation.
8363 (schedule_insns): Fixed code that updates register live information
8365 (schedule_region): Fixed to handle EBBs.
8366 (init_regions): Use extend_regions and check_dead_notes1.
8367 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8368 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8369 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8370 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8371 TARGET_SCHED_GEN_CHECK,
8372 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8373 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8374 * doc/invoke.texi (max-sched-insn-conflict-delay,
8375 sched-spec-prob-cutoff): Document.
8377 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8379 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8380 inter_tick, queue_index.
8381 (struct sched_info): Change signature of init_ready_list field.
8382 Adjust all initializations.
8383 (RESOLVED_DEPS): New access macro.
8384 (ready_add): Remove prototype.
8385 (try_ready): Add prototype.
8386 * sched-rgn.c (init_ready_list): Use try_ready.
8387 (schedule_region): Initialize
8388 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8389 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8390 (init_ready_list): Use try_ready.
8391 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8392 * lists.c (remove_list_elem): Remove `static'.
8393 (remove_free_INSN_LIST_elem): New function.
8394 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8395 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8396 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8398 (readyp): New variable.
8399 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8400 change_queue_index, resolve_dep): New static functions.
8401 (try_ready): New function. Adjust callers in sched-rgn.c and
8402 sched-ebb.c to use it instead of ready_add.
8403 (clock_var): Move at the begining of file.
8404 (rank_for_schedule): Fix typo.
8405 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8406 (ready_lastpos): Enforce assertion.
8407 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8409 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8410 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8411 (queue_to_ready): Use free_INSN_LIST_list.
8412 (early_queue_to_ready): Fix typo.
8413 (schedule_block): Init readyp. Move init_ready_list call after the
8414 initialization of clock_var. Fix error in rejecting insn by
8415 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8416 that previously corrected INSN_TICKs. Add code for handling
8418 (set_priorities): Fix typo.
8419 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8420 Clarify comment and code that keeps current_sched_info->next_tail
8423 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8425 * sched-rgn.c (extend_rgns): New static function.
8426 (find_rgns): Use it.
8427 (gather_region_statistics, print_region_statistics): New static
8429 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8430 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8432 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8433 Andrey Belevantsev <abel@ispras.ru>
8435 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8436 * lists.c (unused_deps_list): New variable.
8437 (free_list): Add assertions to verify the proper distinguishing
8438 between INSN_LISTs and DEPS_LISTs.
8439 (find_list_elem, remove_list_elem, remove_list_node): New static
8441 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8442 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8443 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8444 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8446 (free_INSN_LIST_node): Likewise.
8447 * modulo-sched.c (current_sched_info): Initialize flags field.
8448 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8449 * rtl.def (DEPS_LIST): Define.
8450 * rtl.h: Declare new functions from lists.c.
8451 * sched-deps.c (spec_dependency_cache): New static variable.
8452 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8453 (add_dependence): Change return type to void. Move the logic to ...
8454 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8455 (delete_all_dependences): Add comment about forward_dependency_cache.
8456 Handle spec_dependency_cache. Handle DEPS_LISTs.
8457 (fixup_sched_groups): Clarify the change of priority of output
8458 and anti dependencies.
8459 (sched_analyze_2): Adjust add_dependence calls to create data
8460 speculative dependence.
8461 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8462 Adjust all callers. Handle DEPS_LISTS.
8463 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8464 presence of speculation.
8465 (init_dependency_caches, free_dependency_caches):
8466 Handle spec_dependency_cache.
8467 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8468 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8469 New static functions.
8470 (add_or_update_back_dep, add_or_update_back_forw_dep,
8471 add_back_forw_dep, delete_back_forw_dep): New functions.
8472 * sched-int.h (ds_t, dw_t): New typedefs.
8473 (struct sched_info): Add new field flags.
8474 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8475 Prototype new sched-deps.c functions.
8476 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8477 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8478 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8479 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8480 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8481 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8483 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8485 * sched-rgn.c (current_sched_info): Initialize flags field.
8486 (schedule_insns): Initialize current_sched_info before the sched_init
8488 * sched-ebb.c (current_sched_info): Initialize flags field.
8489 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8490 Call add_or_update_back_dep instead of add_dependence.
8491 Create control speculative dependencies.
8492 (schedule_insns): Initialize current_sched_info before the sched_init
8495 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8497 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8499 (sh_fallback_frame_state): Likewise.
8501 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8503 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8504 Do switch on default_use_cxa_atexit.
8505 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8506 * config/darwin-crt3.o: New.
8507 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8508 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8509 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8511 * config/rs6000/t-darwin: Move crt2.o building to here.
8512 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8513 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8516 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8518 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8519 from '! xxx' to '!xxx' for coding-style conformance.
8520 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8521 (EXTRA_CONSTRAINT): Likewise.
8522 * config/vax/vax.md (four unnamed insns): Likewise.
8524 2006-03-15 Paul Brook <paul@codesourcery.com>
8526 * config/arm/arm.c (minipool_pad): New.
8527 (add_minipool_forward_ref): Include pool alignment padding in address
8529 (push_minipool_fix): Set minipool_pad.
8530 (minipool_pad): Ditto.
8532 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8534 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8535 instead of GET_CODE() == MEM and REG_P() instead of
8537 (print_operand_address): Likewise.
8538 (vax_address_cost): Likewise.
8539 (vax_rtx_costs): Likewise.
8540 (vax_notice_update_cc): Likewise.
8541 (vax_output_int_add): Likewise.
8542 (INDEX_REGISTER_P): Likewise.
8543 (BASE_REGISTER_P): Likewise.
8544 (nonindexed_address_p): Likewise.
8545 (vax_mode_dependent_address_p): Likewise.
8546 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8547 (PRINT_OPERAND): Likewise.
8548 * config/vax/vax.md (ashlsi3): Likewise.
8549 (ashlsi3): Likewise.
8550 (some more unnamed insns): Likewise.
8552 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8554 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8555 iterator-style macro.
8556 (mark_control_dependent_edges_necessary): Update the use of
8557 EXECUTE_IF_CONTROL_DEPENDENT.
8559 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8561 * config/sh/predicates.md (cache_address_operand): Special.
8562 (ua_address_operand): Likewise.
8564 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8566 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8568 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8570 2006-03-15 Andreas Schwab <schwab@suse.de>
8572 * gensupport.c (identify_predicable_attribute): Don't free p_false
8573 when it is still in use.
8575 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8577 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8578 the default setting here.
8580 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8582 * tree-pass.h (pass_cfg): Remove.
8583 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8584 * passes.c (pass_cfg): Don't run it.
8586 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8588 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8589 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8591 (stack_regs_mentioned): Update the uses of
8592 stack_regs_mentioned_data. Don't access the array beyond its
8594 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8595 Don't include gt-reg-stack.h.
8597 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8598 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8600 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8603 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8606 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8608 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8610 2006-03-14 Richard Guenther <rguenther@suse.de>
8612 PR tree-optimization/26672
8613 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8616 2006-03-14 Richard Guenther <rguenther@suse.de>
8618 PR tree-optimization/26667
8619 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8620 node for the callees. Always allow inlining if it will shrink
8623 2006-03-14 Richard Guenther <rguenther@suse.de>
8626 * builtins.c (get_pointer_alignment): Prefer alignment
8627 information from decls over that from types.
8629 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8632 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8634 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8636 * config/rs6000/rs6000.opt (mdlmzb): New option.
8637 (msched-prolog, msched-epilog): Use Var not Mask.
8638 * doc/invoke.texi (-mdlmzb): Document.
8639 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8641 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8642 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8644 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8646 PR rtl-optimization/25739
8647 * bt-load.c (augment_live_range): Free tos pointer.
8649 * gensupport.c (identify_predicable_attribute): Free
8651 * gcov.c (create_file_names): Free name pointer.
8653 2006-03-13 Roger Sayle <roger@eyesopen.com>
8656 * stmt.c (emit_case_nodes): Handle the case where the index is a
8657 CONST_INT, where the comparison mode is specified by the index type.
8659 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8661 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8664 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8666 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8667 (*branch_fp_inverted): Likewise.
8669 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8672 * omp-low.c (expand_omp_for_generic): Mark istart0
8673 and iend0 as addressable.
8675 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8677 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8679 2006-03-13 Jeff Law <law@redhat.com>
8681 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8682 virtual operands are interesting.
8683 (vrp_visit_stmt): Corresponding changes.
8685 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8687 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8689 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8690 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8691 * config/bfin/crti.S: Use it instead of __PIC__.
8692 * config/bfin/crtn.S: Likewise.
8694 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8695 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8697 Lose 'G' modifier for call operand.
8698 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8699 recognize 'G' modifier.
8701 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8704 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8705 * stmt.c (expand_case): Likewise.
8707 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8709 PR rtl-optimization/26254
8710 * loop-invariant.c (seq_insns_valid_p): New function.
8711 (move_invariant_reg): Only emit new code if it is valid.
8713 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8715 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8717 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8718 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8719 (commit_one_edge_insertion): Do not look for loop notes.
8721 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8723 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8724 flag_test_coverage out of loop.
8726 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8728 * final.c (shorten_branches): Remove outdated comment, and turn
8729 the if branch that guards it to continue.
8731 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8733 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8734 * cfgloop.h (struct loop): Remove unused fields.
8736 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8738 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8739 (-dL, -fdump-rtl-loop2): Update the dump file names
8741 * doc/invoke.texi: Update dump file names.
8743 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8745 * predict.c (estimate_probability): Remove.
8746 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8747 * basic-block.h (estimate_probability): Remove prototype.
8748 * passes.c (finish_optimization_passes): Dump branch prediction or
8749 profiling heuristics to the .profile tree dump.
8750 (init_optimization_passes): Unqueue pass_branch_prob.
8752 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8754 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8756 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8757 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8759 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8761 * function.h (frame_offset_overflow): Declare.
8762 * function.c (frame_offset_overflow): New function.
8763 (assign_stack_local_1): Call it to detect that the offset overflows.
8764 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8766 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8768 * config/sh/sh.c: Include alloc-pool.h.
8769 (label_ref_list_pool): New alloc pool.
8770 (label_ref_list_t): New type for lists of labels.
8771 (struct pool_node): Make wend a label_ref_list_t.
8772 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8774 (dump_table): Likewise.
8775 (sh_reorg): Set up the alloc pool before using add_constant and
8776 dump_table, and destroy it when finishing.
8778 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8780 * config/mips/mips.c: Remove redundant comment.
8782 2006-03-10 Jason Merrill <jason@redhat.com>
8785 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8786 the target was declared 'register'.
8788 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8790 * genpreds.c (write_insn_constraint_len): Change definition of
8791 insn_constraint_len to return size_t to match the declaration.
8793 2006-03-10 DJ Delorie <dj@redhat.com>
8795 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8797 (m32c_expand_insv): Fix test for an AND mask.
8799 2006-03-10 Richard Guenther <rguenther@suse.de>
8802 * builtins.c (get_pointer_alignment): Handle component
8803 references for field alignment.
8805 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8807 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8808 when building with libgloss.
8809 (sh*elf): Implement --without-fp option.
8810 (sh64-superh-linux*): Don't multilib.
8812 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8814 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8816 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8818 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8819 Set it when one of the replacement functions returned true.
8820 Return TODO_cleanup_cfg if cfgchanged is true.
8821 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8823 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8825 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8826 instead of gen_lowpart.
8828 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8830 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8832 (mips_output_order_conditional_branch): Declare.
8833 * config/mips/mips.h (MIPS_BRANCH): New macro.
8834 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8835 for the comparison. Use gen_condjump.
8836 (mips_output_conditional_branch): Rework interface to take the
8837 asm templates for a direct branch and the inverse of a direct branch.
8838 (mips_output_order_conditional_branch): New function.
8839 (mips_builtin_branch_and_move): New function.
8840 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8841 branch condition. Use gen_single_cc as the condition for
8842 __builtin_mips_upper_* or __builtin_mips_lower_*.
8843 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8844 Use VOIDmode for the branch condition.
8845 * config/mips/predicates.md (order_operator): New predicate.
8846 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8847 (branch_fp): Rename to...
8848 (*branch_fp): ...this. Remove mode from comparison operator.
8849 Use new mips_output_conditional_branch interface.
8850 (branch_fp_inverted): Rename to...
8851 (*branch_fp_inverted): ...this and update as for *branch_fp.
8852 (*branch_zero<mode>): Rename to...
8853 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8854 Use mips_output_order_conditional_branch. Only accept ordered
8856 (*branch_zero<mode>_inverted): Rename to...
8857 (*branch_order<mode>_inverted): ...this and update as for
8858 *branch_order<mode>.
8859 (*branch_equality<mode>): Accept zero as the second operand to
8860 the equality operator. Use the new mips_output_conditional_branch
8862 (*branch_equality<mode>_inverted): Likewise.
8863 (condjump): New expander.
8864 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8866 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8867 (bc1any2t, bc1any2f): Likewise.
8868 (single_cc): New expander.
8869 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8871 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8873 * doc/md.texi: Update documentation of MIPS constraints.
8874 * config/mips/constraints.md: New file.
8875 * config/mips/mips.md: Include it.
8876 * config/mips/mips.c (mips_char_to_class): Delete.
8877 (override_options): Don't initialize mips_char_to_class.
8878 * config/mips/mips.h (mips_char_to_class): Delete.
8879 (REG_CLASS_FROM_LETTER): Delete.
8880 (CONST_OK_FOR_LETTER_P): Delete.
8881 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8882 (EXTRA_CONSTRAINT_Y): Delete.
8883 (EXTRA_CONSTRAINT_STR): Delete.
8884 (CONSTRAINT_LEN): Delete.
8885 (EXTRA_MEMORY_CONSTRAINT): Delete.
8887 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8889 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8890 original fn's eh regions.
8892 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8894 * fold-const.c (build_range_check): Make sure to use a valid type to
8895 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8898 (range_predecessor): New static function.
8899 (range_successor): Likewise.
8900 (merge_ranges): Use them to compute predecessors and successors of
8903 2006-03-09 Roger Sayle <roger@eyesopen.com>
8906 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8907 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8909 2006-03-08 DJ Delorie <dj@redhat.com>
8911 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8912 (addpsi3): Expand to include memory operands. Remove
8913 reload-specific splits.
8914 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8915 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8916 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8917 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8918 (shift1_qi, shift1_hi, insv): New.
8919 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8920 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8921 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8923 * config/m32c/m32c-protos.h: Update as needed.
8924 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8925 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8926 Fail for unrecognized R* constraints.
8927 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8928 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8929 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8931 (m32c_init_libfuncs): New.
8932 (m32c_legitimate_address_p): Add debug wrapper.
8933 (m32c_rtx_costs): New.
8934 (m32c_address_cost): New.
8935 (conversions): Add 'B' prefix.
8936 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8937 operands, or word regnames for QI operands. 'B' prints bit
8939 (m32c_expand_setmemhi): New.
8940 (m32c_expand_movmemhi): New.
8941 (m32c_expand_movstr): New.
8942 (m32c_expand_cmpstr): New.
8943 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8944 (m32c_expand_neg_mulpsi3): Handle non-ints.
8945 (m32c_cmp_flg_0): New.
8946 (m32c_expand_movcc): New.
8947 (m32c_expand_insv): New.
8948 (m32c_scc_pattern): New.
8949 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8950 a0/a1 out of SIregs.
8951 (STORE_FLAG_VALUE): New.
8952 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8955 * config/m32c/mov.md: Make constraints more liberal.
8956 (zero_extendqihi2): Optimize r0/r1 case.
8957 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8958 * config/m32c/predicates.md (m32c_any_operand): New.
8959 (m32c_nonimmediate_operand): New.
8960 (m32c_hl_operand): New.
8961 (m32c_r3_operand): New.
8964 (memsym_operand): New.
8965 (memimmed_operand): New.
8966 (a_qi_operand): New.
8967 (m32c_eqne_operator): New.
8968 (m32c_1bit8_operand): New.
8969 (m32c_1bit16_operand): New.
8970 (m32c_1mask8_operand): New.
8971 (m32c_1mask16_operand): New.
8972 * config/m32c/blkmov.md: New file.
8973 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8975 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8977 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8978 unsigned to fix signed/unsigned comparison issue in
8979 DWARF2_FRAME_REG_OUT.
8980 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8981 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8983 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8984 of ptr into the ENABLE_CHECKING section.
8986 2006-03-08 Jeff Law <law@redhat.com>
8988 * tree-vrp.c (infer_value_range): Only count pointer uses
8989 and dereferences if -fdelete-null-pointer-checks is enabled.
8991 * tree-vrp.c (find_assert_locations): Infer value ranges for
8992 single use pointers, but do not create ASSERT_EXPRs for them.
8993 When a non-null range is inferred for a pointer, backwards
8994 propagate that range to other equivalent pointers through the
8997 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9000 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9001 language hook targets.
9002 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9003 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9004 if language hook targets were missing.
9006 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9008 * tree-ssa-opfinalize.h: Removed.
9009 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9011 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9012 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9013 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9014 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9015 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9016 finalize_ssa_v_must_def_ops): New.
9018 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9020 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9023 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9025 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9027 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9028 addresses with offsets; reorganize.
9030 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9031 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9032 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9034 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9037 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9039 2006-03-08 Ben Elliston <bje@au.ibm.com>
9041 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9043 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9046 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9049 2006-03-07 Richard Guenther <rguenther@suse.de>
9051 PR tree-optimization/26587
9052 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9054 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9056 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9058 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9060 * hooks.c (hook_bool_mode_rtx_true): New function.
9061 * hooks.h (hook_bool_mode_rtx_true): Declare.
9062 * toplev.c (compile_file): Call output_shared_constant_pool.
9063 * varasm.c (shared_constant_pool): New variable.
9064 (assemble_start_function, assemble_end_function): Remove arguments
9065 from call to output_constant_pool.
9066 (create_constant_pool): New function, split out from...
9067 (init_varasm_status): ...here.
9068 (force_const_mem): Choose between the shared and per-function constant
9069 pools. Set current_function_uses_const_pool when reusing old entries
9070 as well as when creating new ones.
9071 (mark_constant): Ignore data argument.
9072 (mark_constants): Remove pool argument.
9073 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9074 to decide whether the function uses a constant pool.
9075 (output_constant_pool_contents): New function, split out from...
9076 (output_constant_pool): ...here.
9077 (output_shared_constant_pool): New function.
9078 (init_varasm_once): Initialize shared_constant_pool.
9079 * output.h (output_constant_pool): Delete.
9080 (output_shared_constant_pool): Declare.
9081 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9082 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9084 2006-03-06 Nick Clifton <nickc@redhat.com>
9086 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9087 flag_strength_reduce.
9089 2006-03-06 Ben Elliston <bje@au.ibm.com>
9091 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9092 x86_64-*-linux* configurations.
9094 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9095 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9097 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9099 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9101 * basic-block.h: Remove the extern for
9102 rediscover_loops_after_threading.
9104 * cfgloop.c (cancel_loop): Make it static.
9105 * cfgloop.h: Remove the prototype for cancel_loop.
9107 * flow.c (recompute_reg_usage): Make it static.
9108 * rtl.h: Remove the prototype for recompute_reg_usage.
9110 * function.c (use_return_register): Make it static.
9111 * function.h: Remove the prototype.
9113 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9115 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9117 * recog.h: Remove the prototype for
9118 validate_change_maybe_volatile.
9120 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9122 * rtlanal.c (replace_reg): Remove.
9123 * rtl.h: Remove the prototype for replace_reg.
9125 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9127 * regclass.c (reg_scan_update): Remove.
9128 (reg_scan_mark_refs): Remove the last argument.
9129 * rtl.h: Remove the prototype for reg_scan_update.
9131 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9133 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9134 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9135 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9136 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9137 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9138 loop-invariant.c, omp-low.c, opts.c, passes.c,
9139 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9140 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9141 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9142 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9143 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9144 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9146 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9148 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9149 * dwarf2out.h: Remove the prototype for
9150 dwarf2out_add_library_unit_info.
9152 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9154 * tree.c (add_var_to_bind_expr): Remove.
9155 * tree.h: Remove the prototype for add_var_to_bind_expr.
9157 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9159 * regclass.c (n_non_fixed_regs): Remove.
9160 (init_reg_sets_1, globalize_reg): Remove all uses of
9162 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9164 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9166 * rtlanal.c (insns_safe_to_move_p): Remove.
9167 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9169 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9171 * expmed.c (expand_mult_add): Remove.
9172 * expr.h: Remove the prototype for expand_mult_add.
9174 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9176 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9177 and REG_SAVED_VAL_EXP constants.
9178 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9179 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9180 Handle regs stored by value.
9181 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9182 (execute_cfa_program): Handle DW_CFA_val_offset,
9183 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9184 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9185 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9186 (uw_install_context_1): Handle target regs stored by value.
9188 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9190 * tree-sra.c (tree_sra): Return todoflags;
9191 (generate_one_element): Set TODO_update_smt_usage if needed.
9192 (pass_sra): Remove TODO_update_smt_usage.
9193 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9195 (tree_ssa_forward_propagate_single_use_vars): Return
9196 TODO_update_smt_usage if we need to update SMT usage.
9197 (pass_forwprop): Remove TODO_update_smt_usage.
9199 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9201 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9202 (correct_use_link): Remove reference to get_stmt_operands.
9203 (update_stmt_operands): Likewise.
9204 (get_modify_expr_operands): New function factored out of
9205 parse_ssa_operands and get_expr_operands.
9206 Try to create V_MUST_DEFs for LHS by default.
9207 (get_expr_operands) <case MODIFY_EXPR>: Call
9208 get_modify_expr_operands.
9209 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9210 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9211 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9212 get_modify_expr_operands.
9214 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9216 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9217 * tree-flow.h: Remove the prototype for
9218 referenced_var_lookup_if_exists.
9220 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9222 PR rtl-optimization/26345
9224 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9226 2006-03-03 Roger Sayle <roger@eyesopen.com>
9228 PR tree-optimization/26524
9229 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9230 fold_convert to create a constant of the appropriate type.
9232 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9234 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9235 SYMBOL_REF_IN_BLOCK_P.
9236 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9237 of SYMBOL_FLAG_IN_BLOCK.
9238 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9239 instead of SYMBOL_REF_IN_BLOCK_P.
9240 * explow.c (use_anchored_address): Likewise.
9241 * rtl.c (rtx_size): Likewise.
9242 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9243 instead of SYMBOL_FLAG_IN_BLOCK.
9244 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9245 SYMBOL_REF_IN_BLOCK_P.
9246 (assemble_variable): Likewise.
9247 (output_constant_def_contents): Likewise.
9248 (output_constant_pool): Likewise.
9249 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9250 instead of SYMBOL_FLAG_IN_BLOCK.
9251 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9252 SYMBOL_REF_IN_BLOCK_P.
9253 (SYMBOL_REF_BLOCK): Likewise.
9254 (SYMBOL_REF_OFFSET): Likewise.
9255 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9256 SYMBOL_REF_IN_BLOCK_P.
9257 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9258 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9259 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9260 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9262 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9264 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9266 2006-03-02 Roger Sayle <roger@eyesopen.com>
9268 * simplify-rtx.c (simplify_unary_operation): When simplifying
9269 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9270 that we perform the right shift in the appropriate mode, and
9271 then extend or truncate the result to requested mode.
9273 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9275 * gengtype.c (main): Handle double_int type.
9276 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9277 * double-int.c: New file.
9278 * double-int.h: New file.
9279 * system.h: Include doubleint.h.
9280 * Makefile.in (SYSTEM_H): Include double-int.h.
9281 (double-int.o): Add.
9283 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9286 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9289 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9291 * tree-vrp.c (remove_range_assertions): Do not update statements
9294 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9296 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9298 * gcse.c (rest_of_handle_gcse): Ditto.
9299 * except.c (gate_handle_eh): Ditto.
9300 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9301 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9303 2006-03-02 Eric Christopher <echristo@apple.com>
9305 * config/i386/i386.c (machopic_output_stub): Add indirection to
9308 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9312 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9314 Sun Niagara specific optimizations.
9315 * config.gcc: Recognize niagara as target.
9316 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9317 (TARGET_CPU_niagara): Define.
9318 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9319 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9320 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9321 (ASM_CPU_SPEC): Likewise.
9322 (PROCESSOR_NIAGARA): New enum entry.
9323 (REGISTER_MOVE_COST): Handle Niagara.
9324 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9325 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9326 (sparc_override_options): Recognize "niagara", set appropriate
9327 default MASK_* values for it, and align functions to 32-bytes
9328 by default just like ULTRASPARC/ULTRASPARC3.
9329 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9330 (sparc64_initialize_trampoline): Likewise.
9331 (sparc_use_sched_lookahead): Use zero for niagara.
9332 (sparc_issue_rate): Use one for niagara.
9333 * config/sparc/niagara.md: New file.
9334 * config/sparc/sparc.md: Include it.
9335 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9336 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9337 when default cpu is niagara.
9338 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9339 (ASM_CPU_SPEC): Likewise.
9340 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9341 when default cpu is niagara.
9342 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9343 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9344 just like v9/ultrasparc/ultrasparc3.
9345 * doc/invoke.texi: Add documentation for "niagara" and improve
9346 existing documentation for ultrasparc variants.
9348 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9350 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9352 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9354 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9355 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9356 and say that only one is needed.
9357 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9358 * target.h (have_switchable_bss_sections): New hook.
9359 * explow.c (use_anchored_address): Check that the symbol is in a block.
9360 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9361 (bss_noswitch_section): New variables.
9362 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9363 (get_noswitch_section): New function.
9364 (get_block_for_section): Allow SECT to be null.
9365 (unlikely_text_section_p): Use SECTION_STYLE.
9366 (bss_initializer_p): New function.
9367 (get_variable_section): Move earlier in file. Take a new argument,
9368 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9369 Return one of the new *_sections in such cases.
9370 (get_block_for_decl): New function, extracting some logic from
9371 use_blocks_for_decl_p.
9372 (change_symbol_section): Remove in favor of...
9373 (change_symbol_block): ...this new function.
9374 (use_blocks_for_decl_p): Remove checks now performed by
9376 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9377 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9378 (emit_local, emit_bss, emit_common): ...these new functions.
9379 Return true if the alignment was honored.
9380 (emit_tls_common): New function.
9381 (asm_emit_uninitialised): Delete.
9382 (assemble_variable_noswitch): New function, split out from...
9383 (assemble_variable): ...here. Don't make decisions about common
9384 variables here. Globalize all public decls that go into non-common
9385 sections. Check whether SYMBOL_REF_BLOCK is null.
9386 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9387 (output_constant_pool): Likewise.
9388 (init_varasm_once): Initialize the new section variables.
9389 (have_global_bss_p): New function.
9390 (categorize_decl_for_section): Use bss_initializer_p.
9391 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9392 (place_block_symbol): Assert that the symbol must be in a block.
9393 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9394 (TARGET_INITIALIZER): Include it.
9395 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9396 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9397 (SECTION_MACH_DEP): Bump by two.
9398 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9399 (unnamed_section): Mention SECTION_UNNAMED in comment.
9400 (named_section): Likewise SECTION_NAMED.
9401 (noswitch_section_callback): New type.
9402 (noswitch_section): New structure.
9403 (section): Add a noswitch_section alternative.
9404 (SECTION_STYLE): New macro.
9405 (tls_comm_section, comm_section, lcomm_section): Declare.
9406 (bss_noswitch_section, have_global_bss_p): Declare.
9407 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9408 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9410 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9411 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9414 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9416 * tree-vrp.c (execute_vrp): Return value.
9417 * regrename.c (rest_of_handle_regrename): Ditto.
9418 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9419 * tree-complex.c (tree_lower_complex): Ditto.
9420 (tree_lower_complex_O0): Ditto.
9421 * tracer.c (rest_of_handle_tracer): Ditto.
9422 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9423 * postreload.c (rest_of_handle_postreload): Ditto.
9424 * tree-tailcall.c (execute_tail_recursion): Ditto.
9425 (execute_tail_calls): Ditto.
9426 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9427 * tree.h (init_function_for_compilation): Ditto.
9428 * ipa-cp.c (ipcp_driver): Ditto.
9429 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9430 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9431 * final.c (compute_alignments): Ditto.
9432 (rest_of_handle_final): Ditto.
9433 (rest_of_handle_shorten_branches): Ditto.
9434 (rest_of_clean_state): Ditto.
9435 * omp-low.c (execute_expand_omp): Ditto.
9436 (execute_lower_omp): Ditto.
9437 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9438 * ipa-reference.c (static_execute): Ditto.
9439 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9440 * reorg.c (rest_of_handle_delay_slots): Ditto.
9441 (rest_of_handle_machine_reorg): Ditto.
9442 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9443 * flow.c (recompute_reg_usage): Ditto.
9444 (rest_of_handle_remove_death_notes): Ditto.
9445 (rest_of_handle_life): Ditto.
9446 (rest_of_handle_flow2): Ditto.
9447 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9448 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9449 (do_ssa_store_ccp): Ditto.
9450 (execute_fold_all_builtins): Ditto.
9451 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9452 * modulo-sched.c (rest_of_handle_sms): Ditto.
9453 * ipa-pure-const.c (static_execute): Ditto.
9454 * cse.c (rest_of_handle_cse): Ditto.
9455 (rest_of_handle_cse2): Ditto.
9456 * web.c (rest_of_handle_web): Ditto.
9457 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9458 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9459 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9460 * tree-nrv.c (tree_nrv): Ditto.
9461 (execute_return_slot_opt): Ditto.
9462 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9463 (create_structure_vars): Ditto.
9464 * loop-init.c (rtl_loop_init): Ditto.
9465 (rtl_loop_done): Ditto.
9466 (rtl_move_loop_invariants): Ditto.
9467 (rtl_unswitch): Ditto.
9468 (rtl_unroll_and_peel_loops): Ditto.
9469 (rtl_doloop): Ditto.
9470 * gimple-low.c (lower_function_body): Ditto.
9471 (mark_used_blocks): Ditto.
9472 * tree-ssa-sink.c (execute_sink_code): Ditto.
9473 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9474 (cgraph_early_inlining): Ditto.
9475 * global.c (rest_of_handle_global_alloc): Ditto.
9476 * jump.c (cleanup_barriers): Ditto.
9477 (purge_line_number_notes): Ditto.
9478 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9479 (rest_of_handle_if_after_reload): Ditto.
9480 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9481 (tree_ssa_loop_im): Ditto.
9482 (tree_ssa_loop_unswitch): Ditto.
9483 (tree_vectorize): Ditto.
9484 (tree_linear_transform): Ditto.
9485 (tree_ssa_loop_ivcanon): Ditto.
9486 (tree_ssa_empty_loop): Ditto.
9487 (tree_ssa_loop_bounds): Ditto.
9488 (tree_complete_unroll): Ditto.
9489 (tree_ssa_loop_prefetch): Ditto.
9490 (tree_ssa_loop_ivopts): Ditto.
9491 (tree_ssa_loop_done): Ditto.
9492 * predict.c (tree_estimate_probability): Ditto.
9493 * recog.c (split_all_insns_noflow): Ditto.
9494 (rest_of_handle_peephole2): Ditto.
9495 (rest_of_handle_split_all_insns): Ditto.
9496 * tree-eh.c (lower_eh_constructs): Ditto.
9497 * regmove.c (rest_of_handle_regmove): Ditto.
9498 (rest_of_handle_stack_adjustments): Ditto.
9499 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9500 * function.c (instantiate_virtual_regs): Ditto.
9501 (init_function_for_compilation): Ditto.
9502 (rest_of_handle_check_leaf_regs): Ditto.
9503 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9504 (rest_of_handle_gcse): Ditto.
9505 * ipa-type-escape.c (type_escape_execute): Ditto.
9506 * alias.c (rest_of_handle_cfg): Ditto.
9507 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9508 * profile.c (rest_of_handle_branch_prob): Ditto.
9509 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9510 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9511 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9512 * tree-dfa.c (find_referenced_vars): Ditto.
9513 * except.c (set_nothrow_function_flags): Ditto.
9514 (convert_to_eh_region_ranges): Ditto.
9515 (rest_of_handle_eh): Ditto.
9516 * emit-rtl.c (unshare_all_rtl): Ditto.
9517 (remove_unnecessary_notes): Ditto.
9518 * except.h (set_nothrow_function_flags): Ditto.
9519 (convert_to_eh_region_ranges): Ditto.
9520 * cfgexpand.c (tree_expand_cfg): Ditto.
9521 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9522 * tree-ssa-pre.c (do_pre): Ditto.
9523 (execute_fre): Ditto.
9524 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9525 (rest_of_handle_jump2): Ditto.
9526 * tree-sra.c (tree_sra): Ditto.
9527 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9528 (execute_mudflap_function_decls): Ditto.
9529 * tree-ssa-copy.c (do_copy_prop): Ditto.
9530 (do_store_copy_prop): Ditto.
9531 * ipa-prop.h (ipcp_driver): Ditto.
9532 * cfglayout.c (insn_locators_initialize): Ditto.
9533 * tree-ssa-forwprop.c
9534 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9535 * cfglayout.h (insn_locators_initialize): Ditto.
9536 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9537 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9538 (execute_late_warn_uninitialized): Ditto.
9539 * rtl.h (cleanup_barriers): Ditto.
9540 (split_all_insns_noflow): Ditto.
9541 (purge_line_number_notes): Ditto.
9542 (unshare_all_rtl): Ditto.
9543 (remove_unnecessary_notes): Ditto.
9544 (recompute_reg_usage): Ditto.
9545 (variable_tracking_main): Ditto.
9546 * integrate.c (emit_initial_value_sets): Ditto.
9547 * integrate.h (emit_initial_value_sets): Ditto.
9548 * tree-optimize.c (execute_free_datastructures): Ditto
9549 (execute_free_cfg_annotations): Ditto.
9550 (execute_fixup_cfg): Ditto.
9551 (execute_cleanup_cfg_pre_ipa): Ditto.
9552 (execute_cleanup_cfg_post_optimizing): Ditto.
9553 (execute_init_datastructures): Ditto.
9554 * tree-object-size.c (compute_object_sizes): Ditto.
9555 * combine.c (rest_of_handle_combine): Ditto.
9556 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9557 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9558 (rest_of_handle_reorder_blocks): Ditto.
9559 (rest_of_handle_partition_blocks): Ditto.
9560 * var-tracking.c (variable_tracking_main): Ditto.
9561 * tree-profile.c (tree_profiling): Ditto.
9562 * tree-vect-generic.c (expand_vector_operations): Ditto.
9563 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9564 * sched-rgn.c (rest_of_handle_sched): Ditto.
9565 (rest_of_handle_sched2): Ditto.
9566 * basic-block.h (free_bb_insn): Ditto.
9567 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9568 * tree-cfg.c (execute_build_cfg): Ditto.
9569 (remove_useless_stmts): Ditto.
9570 (split_critical_edges): Ditto.
9571 (execute_warn_function_return): Ditto.
9572 (execute_warn_function_noreturn): Ditto.
9573 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9574 * cfgrtl.c (free_bb_for_insn): Ditto.
9575 * passes.c (execute_one_pass): Run additional
9576 todos returned by execute function.
9577 * tree-pass.h (struct tree_opt_pass): Make execute
9580 2006-03-02 Richard Guenther <rguenther@suse.de>
9582 * tree-ssa-alias.c (find_used_portions): Consider taking
9583 the address as making the variable not write-only.
9585 2006-03-02 Nick Clifton <nickc@redhat.com>
9587 * config.gcc (default_use_cxa_atexit): Extend the description of
9588 this configure variable. Set its default value to "yes" for
9589 Linux, NetBSD and ELF targets on the assumption that they will
9590 use C libraries with the __cxa_atexit function.
9592 2006-03-02 Ben Elliston <bje@au.ibm.com>
9594 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9595 parameter as unused to suppress a build warning.
9597 2006-03-02 Ben Elliston <bje@au.ibm.com>
9599 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9602 2006-03-01 Roger Sayle <roger@eyesopen.com>
9605 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9606 declared name, the weak reference name, and the typeof name.
9607 (__gthrw): Avoid expanding the declared name suffix.
9608 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9610 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9612 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9614 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9615 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9616 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9617 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9618 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9619 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9620 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9621 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9622 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9623 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9624 (DW_END_default, DW_END_big, DW_END_little): New.
9625 (DW_END_lo_user, DW_END_hi_user): Define.
9626 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9627 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9628 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9631 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9633 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9635 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9637 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9639 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9641 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9642 to 'symbol_mem_tag'.
9644 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9647 2006-03-01 Roger Sayle <roger@eyesopen.com>
9649 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9651 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9654 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9655 MACHO_DYNAMIC_NO_PIC_P.
9656 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9658 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9661 * config/darwin-protos.h (darwin_asm_output_anchor):
9663 * config/darwin-sections.def (cstring_section):
9664 Add SECTION_MERGE to the flags.
9665 (literal4_section): Likewise.
9666 (literal8_section): Likewise.
9667 (objc_selector_refs_section): Likewise.
9668 (objc_cls_refs_section): Likewise.
9669 * config/darwin.c (darwin_asm_output_anchor): New
9671 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9673 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9675 Fix PR tree-optimization/26443
9676 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9677 to todo and PROP_tmt_usage to properties_destroyed.
9678 * tree-ssa-ccp.c (pass_ccp): Ditto.
9679 (pass_store_ccp): Ditto.
9680 * tree-ssa-dom.c (pass_dominator): Ditto.
9682 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9684 * tree-ssa-operands.c: Cleanup whitespace.
9685 (get_asm_expr_operands): Move before first invocation.
9686 (get_indirect_ref_operands): Likewise.
9687 (get_tmr_operands): Likewise.
9688 (get_call_expr_operands): Likewise.
9689 (append_def): Likewise.
9690 (append_use): Likewise.
9691 (append_v_may_def): Likewise.
9692 (append_v_must_def): Likewise.
9693 (add_call_clobber_ops): Likewise.
9694 (add_call_read_ops): Likewise.
9695 (add_stmt_operand): Likewise.
9696 (add_virtual_operand): Likewise.
9697 (build_ssa_operands): Likewise.
9699 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9704 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9705 with a call expr to ...
9706 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9708 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9710 * tree-vrp.c (extract_range_from_assert): Remove special
9711 handling for types with super-types.
9713 2006-03-01 Ben Elliston <bje@au.ibm.com>
9715 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9716 and powerpc64-*-linux* configurations.
9717 * config/t-dfprules: New file.
9719 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9720 Compile dfp-bit.c from the source directory using -DWIDTH and
9721 $DFP_CFLAGS to control the compilation of that file, rather than
9722 generating width-specific versions in the build directory.
9723 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9724 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9726 2006-02-28 Zack Weinberg <zackw@panix.com>
9728 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9731 2006-02-28 Eric Christopher <echristo@apple.com>
9733 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9734 Set up IN_LIBGCC definition of TARGET_64BIT.
9735 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9737 2006-02-28 Roger Sayle <roger@eyesopen.com>
9740 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9741 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9742 cases via the construction of "expr != 0".
9744 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9746 * alias.c (alias_invariant, alias_invariant_size): Remove.
9747 (record_base_value): Remove.
9748 (memrefs_conflict_p): Don't look at alias_invariant.
9749 (end_alias_analysis): Don't free it.
9750 * alias.h (record_base_value): Remove prototype.
9752 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9753 Adam Nemet <anemet@caviumnetworks.com>
9755 * rtl.h (truncated_to_mode): Declare it.
9756 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9757 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9758 (RTL_HOOKS_INITIALIZER): Include it.
9759 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9760 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9761 reg_truncated_to_mode.
9762 * rtlanal.c (truncated_to_mode): Define it.
9763 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9765 2006-02-28 Jeff Law <law@redhat.com>
9767 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9768 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9769 the range allowed by TYPE_PRECISION.
9771 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9773 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9775 PR tree-optimization/26419
9776 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9779 2006-02-27 Zack Weinberg <zackw@panix.com>
9781 * doc/md.texi: Fix typo in previous change.
9783 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9787 2006-02-27 Zack Weinberg <zackw@panix.com>
9789 * rtl.def (define_constraint, define_register_constraint)
9790 (define_memory_constraint, define_address_constraint): New MD forms.
9791 * gensupport.c (process_rtx): Put define_constraint etc on the
9793 * genpreds.c (process_define_predicate): Adjust comment. Validate
9794 the name, and call validate_exp to validate the expression.
9795 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9796 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9797 all callers changed.
9798 (validate_exp, needs_variable, struct constraint_data)
9799 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9800 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9801 (const_dbl_constraints, constraint_max_namelen)
9802 (have_register_constraints, have_memory_constraints)
9803 (have_address_constraints, have_address_constraints)
9804 (have_extra_constraints, have_const_int_constraints)
9805 (have_const_dbl_constraints, mangle, add_constraint)
9806 (process_define_constraint, process_define_register_constraint)
9807 (write_enum_constraint_num, write_lookup_constraint)
9808 (write_insn_constraint_len, write_regclass_for_constraint)
9809 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9810 (write_insn_extra_memory_constraint)
9811 (write_insn_extra_address_constraint)
9812 (write_satisfies_constraint_fns): New.
9813 (write_tm_preds_h): If we have new-style constraint definitions,
9814 prototype the functions generated from them, and define the
9815 old constraint interface (still used by generic code) in terms of
9817 (write_insn_preds_c): If we have new-style constraint definitions,
9818 generate all relevant functions from those definitions.
9819 (main): Handle define_constraint etc.
9820 * genoutput.c (struct constraint_data, indep_constraints)
9821 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9822 (mdep_constraint_len): New data structures and functions, defined
9823 #ifdef USE_MD_CONSTRAINTS.
9824 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9825 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9826 use new logic to validate operand constraints against constraint
9828 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9830 * defaults.h: If none of the old-style constraint macros are
9831 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9832 old-style macros; and poison REG_CLASS_FROM_LETTER,
9833 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9835 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9836 * doc/md.texi: Document new constraint-definition mechanism and the
9837 C interface it provides. Remove references to old mechanism
9838 elsewhere in the document.
9839 (Machine Constraints): Use pathnames relative to gcc directory,
9840 i.e. config/ARCH/FILE. Change i386 section to refer to
9841 config/i386/predicates.md; update that section to match docstrings.
9842 * doc/tm.texi: Move all documentation of the old constraint-
9843 definition macros to their own section, clearly mark as obsolete.
9845 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9846 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9848 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9849 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9850 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9852 (splits and peepholes): Use satisfies_constraint_*.
9853 * config/i386/i386.c (memory_address_length)
9854 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9856 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9858 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9859 scalar operation to be put back into the loop.
9861 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9864 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9865 (extract_cie_info): Handle S flag in augmentation string.
9866 (execute_cfa_program): If context->signal_frame, execute also
9867 fs->pc == context->ra instructions.
9868 (uw_frame_state_for): If context->signal_frame, don't subtract one
9869 from context->ra to find FDE.
9870 (uw_update_context_1): Set context->signal_frame to
9872 (_Unwind_GetIPInfo): New function.
9873 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9874 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9876 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9877 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9878 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9879 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9880 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9881 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9882 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9883 x86_64_fallback_frame_state): Set fs->signal_frame.
9884 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9885 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9886 (frob_update_context): Likewise. Workaround missing S flag in
9887 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9888 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9889 Remove the psw_addr + 1 hack.
9891 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9893 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9894 with aggregates here.
9895 (find_func_aliases): Remove code for &<aggregate> from here.
9897 2006-02-26 Roger Sayle <roger@eyesopen.com>
9899 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9900 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9901 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9904 2006-02-26 Roger Sayle <roger@eyesopen.com>
9907 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9909 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9911 * opts.c (decode_options): Do not handle flag_strength_reduce.
9912 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9913 and OPT_fstrength_reduce.
9914 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9915 flag_prefetch_loop_arrays for being nonzero.
9916 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9918 (fprefetch-loop-arrays-rtl): Removed.
9919 (flag_prefetch_loop_arrays): Do not specify the value.
9921 * doc/passes.texi: Update documentation of loop optimizer
9923 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9924 -frerun-loop-opt): Remove.
9926 2006-02-26 Richard Guenther <rguenther@suse.de>
9928 PR tree-optimization/26421
9929 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9930 in function calls that are ADDR_EXPRs as using the whole structure.
9932 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9934 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9935 * tree-pass.h (pass_loop_optimize): Remove.
9936 * passes.c (pass_loop_optimize): Never run it.
9937 * toplev.c (backend_init): Don't call init_loop.
9938 * opts.c (flag_loop_optimize_set): Remove.
9939 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9940 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9941 the old RTL loop optimizer when profiling enabled.
9942 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9943 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9944 pre-headers for the sake of the old RTL loop optimizer.
9945 * Makefile.in: Remove all references to loop.o.
9947 * doc/invoke.texi: Remove all references to -floop-optimize
9948 and -frerun-loop-opt.
9950 2006-02-26 Zack Weinberg <zackw@panix.com>
9952 * doc/md.texi (Machine Constraints): Refer to all files with paths
9953 relative to gcc directory (i.e. config/CPU/file). Add missing
9954 @table @code ... @end table to M32C subsection.
9956 2006-02-26 Roger Sayle <roger@eyesopen.com>
9958 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9960 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9962 2006-02-26 Roger Sayle <roger@eyesopen.com>
9963 James A. Morrison <phython@gcc.gnu.org>
9966 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9967 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9968 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9969 signedness of the shift operation.
9971 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9973 PR tree-optimization/26359
9974 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9976 2006-02-25 Roger Sayle <roger@eyesopen.com>
9978 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9979 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9980 as X == 0, and some symmetry related transformations.
9981 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9983 2006-02-25 Roger Sayle <roger@eyesopen.com>
9986 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9987 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9988 symmetry related transformations. Fold (X^C1) == C2 as
9991 2006-02-25 Juergen Weigert <jw@suse.de>
9992 Richard Guenther <rguenther@suse.de>
9994 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9996 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9998 * combine.c (gen_lowpart_or_truncate): Call
9999 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10001 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10003 * doc/invoke.texi: Move -fopenmp description to "Options for
10005 Remove reference to -lgomp.
10007 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10009 * doc/install.texi: Require GNU tar version 1.14.
10011 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10013 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10014 * doc/invoke.texi (C++ Dialect Options): Document
10015 -fno-use-cxa-get-exception-ptr.
10016 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10017 * configure: Regenerate.
10018 * c.opt (fuse-cxa-get-exception-ptr): New.
10019 * c-opts.c (c_common_handle_option): Handle
10020 OPT_fuse_cxa_get_exception_ptr.
10021 * c-common.c (flag_use_cxa_atexit): Update documentation.
10022 (flag_use_cxa_get_exception_ptr): New.
10023 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10024 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10026 (C_COMMON_OVERRIDE_OPTIONS): New.
10028 2006-02-24 Roger Sayle <roger@eyesopen.com>
10030 PR middle-end/24952
10031 * combine.c (try_combine): Explicitly check whether GET_CODE is
10032 a SET or a CLOBBER, instead on checking that it isn't a USE.
10034 2006-02-24 Roger Sayle <roger@eyesopen.com>
10036 * fold-const.c (fold_comparison): New subroutine of fold_binary
10037 containing transformations common to both the equality and
10038 ordering relational operators, factored out of fold_binary.
10039 (fold_binary): Separate out the equality operators (EQ_EXPR
10040 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10041 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10042 transformations common to both.
10043 (fold_div_compare): Fix latent bugs in the previously unreachable
10044 LT_EXPR and GE_EXPR cases.
10046 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10048 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10049 decl libname for clog to __clog on AIX.
10051 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10053 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10056 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10057 output traceback table for thunks. Localise rs6000_stack_info call.
10059 2006-02-23 Roger Sayle <roger@eyesopen.com>
10060 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10062 * gthr-posix.h (__gthrw): Fix typo in comment.
10064 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10066 * doc/cpp.texi (Character sets): Document that we do support
10067 input files to be in any character set.
10069 2006-02-23 Jeff Law <law@redhat.com>
10071 * tree.h (PHI_ARG_NONZERO): Remove.
10072 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10073 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10074 node to the new node.
10076 PR tree-optimization/26425
10077 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10078 min/max, then assume its varying.
10080 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10082 PR rtl-optimization/26316
10083 * rtlanal.c (enum may_trap_p_flags): New.
10084 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10085 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10086 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10087 (may_trap_after_code_motion_p): New function.
10088 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10089 (find_invariant_insn): Use may_trap_after_code_motion_p.
10090 * rtl.h (may_trap_after_code_motion_p): Declare.
10092 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10094 * emit-rtl.c (immed_double_const): Cleanup.
10096 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10098 Fix PR tree-optimization/26376
10099 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10102 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10104 PR middle-end/26412
10105 * gimplify.c (omp_add_variable): Guard variable size decl test with
10106 DECL_SIZE (decl) check.
10108 2006-02-23 Richard Guenther <rguenther@suse.de>
10110 PR middle-end/26439
10111 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10112 like aggregate types.
10114 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10116 * configure.ac: Add --with{,out}-long-double-128 configure option.
10117 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10118 * configure: Rebuilt.
10119 * config.in: Rebuilt.
10120 * doc/install.texi (Options specification): Document
10121 --with-long-double-128.
10123 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10124 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10125 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10126 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10128 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10130 * config/s390/s390.c (override_options): Handle
10131 TARGET_DEFAULT_LONG_DOUBLE_128.
10133 * config/alpha/alpha.c (override_options): Handle
10134 TARGET_DEFAULT_LONG_DOUBLE_128.
10136 * config/sparc/sparc.c (sparc_override_options): Handle
10137 TARGET_DEFAULT_LONG_DOUBLE_128.
10139 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10141 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10142 (real-install-headers-tar, real-install-headers-cpio)
10143 (real-install-headers-cp): New targets.
10145 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10147 * tree.h (variable_section): Delete.
10148 * varasm.c (variable_section): Delete.
10150 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10152 * install.texi: Add notes on install.texi2html.
10153 (Building in parallel): Do not use footnotes.
10155 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10158 * doc/install.texi (Configuration): Document --disable-libgomp.
10160 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10162 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10164 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10166 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10167 (vec_extractv2df_0_sse): New.
10169 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10171 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10172 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10173 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10174 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10175 to the result of the expression.
10176 (def_cfa_1): Adjust.
10177 (frame_pointer_cfa_offset): Rename to...
10178 (frame_pointer_fb_offset): ... this. Adjust all uses.
10179 (convert_cfa_to_loc_list): Rename to...
10180 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10181 Pass it on to build_cfa_loc.
10182 (compute_frame_pointer_to_cfa_displacement): Rename to...
10183 (compute_frame_pointer_to_fb_displacement): ... this. New
10184 offset parameter. Use it in computation.
10185 (gen_subprogram_die): Compute cfa_fb_offset with the new
10186 macro, and use it to compute the fb loc list and the
10189 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10191 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10192 replaced with register_operand.
10193 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10194 non-DREG is expensive.
10195 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10196 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10199 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10201 * doc/install.texi2html: Use set -e.
10203 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10205 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10206 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10207 * doc/invoke.texi (-fshared-data): Delete.
10208 * common.opt (fshared-data): Delete.
10209 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10210 (assemble_static_space): Remove #if 0 code.
10211 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10212 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10213 * config/cris/cris.h: Remove FIXME.
10215 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10217 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10220 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10222 PR middle-end/26379
10223 * combine.c (simplify_shift_const_1): Disable nested shifts
10224 optimization for vector shifts.
10226 2006-02-20 Roger Sayle <roger@eyesopen.com>
10228 PR tree-optimization/26361
10229 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10230 of unsigned integer types.
10232 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10234 * tree-chrec.c (eq_evolutions_p): New.
10235 * tree-chrec.h (eq_evolutions_p): Declared.
10236 * tree-data-ref.c: Fix formatting.
10237 (datadep_stats, dependence_stats): New.
10239 (print_direction_vector): New.
10240 (dump_data_dependence_relation): Use print_direction_vector.
10241 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10242 (compute_subscript_distance): Static.
10243 (initialize_data_dependence_relation): Static. Get the number
10244 of loops surrounding the references from the callers, and initialize
10245 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10246 base_object_differ_p analyzers.
10247 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10248 compute_overlap_steps_for_affine_1_2,
10249 analyze_subscript_affine_affine): Count the classified dependences.
10250 Print a message when a test failed.
10251 (can_use_analyze_subscript_affine_affine): New.
10252 (analyze_siv_subscript): Compute the data dependences on symbolic
10253 scevs that verify can_use_analyze_subscript_affine_affine.
10254 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10255 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10256 Handle symbolic scevs.
10257 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10259 (subscript_dependence_tester): Moved...
10260 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10261 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10262 DDR_SIZE_VECT instead of getting it in parameter.
10263 (subscript_dependence_tester): ... here. Take as a parameter
10264 loop_nest_depth. Call build_classic_dist_vector and
10265 build_classic_dir_vector.
10266 (compute_affine_dependence): Update subscript_dependence_tester
10267 parameters. Update datadep_stats counters. Call
10268 compute_subscript_distance.
10269 (compute_self_dependence): Save the dist and dir vectors. Call
10270 compute_subscript_distance.
10271 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10272 (compute_all_dependences): Reorder parameters as they were before
10273 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10274 compute_subscript_distance. Update the use of
10275 compute_affine_dependence and initialize_data_dependence_relation.
10276 (find_data_references_in_loop): Handle COMPONENT_REF.
10277 (compute_data_dependences_for_loop): Initialize dependence_stats.
10278 Don't call build_classic_dist_vector and build_classic_dir_vector.
10279 Update the parameters of initialize_data_dependence_relation and
10280 compute_all_dependences. Print the statistics from datadep_stats.
10281 (analyze_all_data_dependences): Static. Not used until the pass for
10282 checking the data dependences is contributed.
10283 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10284 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10285 (initialize_data_dependence_relation, compute_affine_dependence,
10286 analyze_all_data_dependences, compute_subscript_distance): Removed.
10287 (print_direction_vector): New.
10288 * lambda.h (gcd): ... here.
10289 (lambda_vector_gcd): Moved here from gcd_vector.
10290 * lambda-code.c (gcd, gcd_vector): Removed.
10291 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10292 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10294 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10296 * ipa-type-escape.c: Tidy some comments and white space.
10297 * tree-ssa-operands.c: Likewise.
10299 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10302 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10303 (dump_decl_name): Do not walk the decl tree chains.
10304 * tree-pass.h (TDF_CHAIN): Remove.
10306 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10308 * Makefile.in (C): Remove
10310 (.PHONY): Remove C and PROTO
10312 2006-02-20 Roger Sayle <roger@eyesopen.com>
10314 PR middle-end/26236
10315 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10316 deprecated CHAR_TYPE tree code.
10318 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10320 * configure.ac (target_list): Add install-info, dvi, html.
10321 * configure: Regenerate.
10323 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10324 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10325 treelang/Make-lang.in: Do not use double-colon rules.
10327 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10329 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10330 (TMT_USED_ALONE): New macro.
10331 * tree-pass.h (PROP_tmt_usage): New property.
10332 (TODO_update_tmt_usage): New todo.
10333 * tree-ssa-alias.c (updating_used_alone): New variable.
10334 (recalculate_used_alone): New function.
10335 (compute_may_aliases): Set updating_used_alone, call
10336 recalculate_used_alone.
10337 * tree-sra.c (pass_sra): Note that this pass destroys
10338 PROP_tmt_usage, and add TODO_update_tmt_usage.
10339 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10340 * tree-flow.h (updating_used_alone): Prototype.
10341 (recalculate_used_alone): Ditto.
10342 * passes.c (execute_todo): Add code to set updating_used_alone,
10343 and call recalculate.
10344 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10345 for clobber if used alone, and add assert to verify used_alone
10348 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10350 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10351 for non tls symbols added.
10352 (legitimize_address): Do nothing for PLUS expressions if one of the
10353 addends is a tls symbol reference.
10355 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10359 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10361 * Makefile.in (BOOTSTRAPPING): New.
10362 (quickstrap): New definition if BOOTSTRAPPING=yes.
10364 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10365 * configure.ac: Substitute all_selected_languages with the languages
10366 that were configured. For all the other variables except
10367 lang_specs_files, include all the languages in the tree.
10368 * configure: Regenerate.
10370 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10371 if there is one. Run the commands to run fixincludes in the same
10374 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10375 * doc/install.texi: Document exact conventions for searching target tools.
10376 Document --with-build-time-tools. Document toplevel bootstrap. Document
10377 something more about building an Ada cross-compiler. Don't list GNU Make
10378 requirements which affect all platforms.
10380 2006-02-19 Roger Sayle <roger@eyesopen.com>
10382 PR middle-end/19543
10383 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10384 only equivalent if the have both the same mode and precision.
10386 2006-02-20 Ben Elliston <bje@au.ibm.com>
10388 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10390 2006-02-19 Roger Sayle <roger@eyesopen.com>
10391 Steven Bosscher <stevenb.gcc@gmail.com>
10393 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10394 constant pool references to identify stack mode constants.
10395 * rtlanal.c (constant_pool_constant_p): New predicate to check
10396 whether operand is a floating point constant in the pool.
10397 * rtl.h (constant_pool_constant_p): Prototype here.
10398 * loop.c (scan_loop): Avoid hoisting constants from the constant
10399 pool on STACK_REGS targets.
10400 (load_mems): Likewise.
10401 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10402 loads into x87 registers expensive in terms of register pressure.
10404 2006-02-19 Roger Sayle <roger@eyesopen.com>
10406 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10407 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10409 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10411 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10412 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10414 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10416 * doc/invoke.texi: Document -fipa-pta.
10417 * common.opt: Add ipa-pta option.
10418 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10419 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10420 (do_ds_constraint): Ditto.
10421 (get_constraint_for): Only add to referenced_vars if
10422 referenced_vars exists.
10423 (insert_into_field_list): Rewrite to do this unsorted.
10424 (insert_into_field_list_sorted): Rename old insert_into_field_list
10426 (create_function_info_for): Use insert_into_field_list_sorted.
10427 (create_variable_info_for): Rewrite so it uses unsorted version,
10428 since the field list is sorted.
10429 (intra_create_variable_infos): Only add to referenced_vars if
10430 referenced_vars exists.
10431 (ipa_pta_execute): Init heapvars, and delete when done.
10432 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10434 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10436 * doc/install.texi: Add missing `@samp'.
10438 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10440 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10443 2006-02-18 Mark Wielaard <mark@klomp.org>
10445 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10446 who added new 4.1 features, bug fixes and integration support.
10448 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10451 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10452 MEM for ABI_V4 pic.
10454 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10456 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10457 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10458 (copy_insn_1): Likewise. Don't copy each field individually.
10460 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10462 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10463 * rtl.c (rtx_size): Rename variable to...
10464 (rtx_code_size): ...this.
10465 (rtx_size): New function.
10466 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10467 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10469 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10470 * rtl.h (rtx_code_size): New variable.
10471 (rtx_size): Change from a variable to a function.
10472 (RTX_SIZE): Rename to...
10473 (RTX_CODE_SIZE): ...this.
10476 PR tree-optimization/17106
10477 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10478 (Anchored Addresses): New section.
10479 * doc/invoke.texi (-fsection-anchors): Document.
10480 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10481 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10482 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10483 * hooks.c (hook_bool_mode_rtx_false): New function.
10484 * hooks.h (hook_bool_mode_rtx_false): Declare.
10485 * gengtype.c (create_optional_field): New function.
10486 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10487 SYMBOL_REF_IN_BLOCK_P is true.
10488 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10489 (min_anchor_offset, max_anchor_offset): Likewise.
10490 (use_anchors_for_symbol_p): New hook.
10491 * toplev.c (compile_file): Call output_object_blocks.
10492 (target_supports_section_anchors_p): New function.
10493 (process_options): Check that -fsection-anchors is only used on
10494 targets that support it and when -funit-at-a-time is in effect.
10495 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10496 if the decl doesn't have one.
10497 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10498 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10499 of force_const_mem through use_anchored_address.
10500 (expand_expr_constant): New function.
10501 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10502 calling expand_expr for INDIRECT_REF.
10503 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10504 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10505 * expr.h (use_anchored_address): Declare.
10506 * loop-unroll.c: Don't declare rtx vectors here.
10507 * explow.c: Include output.h.
10508 (validize_mem): Call use_anchored_address.
10509 (use_anchored_address): New function.
10510 * common.opt (-fsection-anchors): New switch.
10511 * varasm.c (object_block_htab, anchor_labelno): New variables.
10512 (hash_section, object_block_entry_eq, object_block_entry_hash)
10513 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10514 (use_blocks_for_decl_p, change_symbol_section): New functions.
10515 (get_variable_section): New function, split out from assemble_variable.
10516 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10517 use_blocks_for_decl_p say so. Use change_symbol_section if the
10518 symbol has already been created.
10519 (assemble_variable_contents): New function, split out from...
10520 (assemble_variable): ...here. Don't output any code for
10521 block symbols; just pass them to place_block_symbol.
10522 Use get_variable_section and assemble_variable_contents.
10523 (get_constant_alignment, get_constant_section, get_constant_size): New
10524 functions, split from output_constant_def_contents.
10525 (build_constant_desc): Create a block symbol if use_object_blocks_p
10526 says so. Or into SYMBOL_REF_FLAGS.
10527 (assemble_constant_contents): New function, split from...
10528 (output_constant_def_contents): ...here. Don't output any code
10529 for block symbols; just pass them to place_section_symbol.
10530 Use get_constant_section and get_constant_alignment.
10531 (force_const_mem): Create a block symbol if use_object_blocks_p and
10532 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10533 (output_constant_pool_1): Add an explicit alignment argument.
10534 Don't switch sections here.
10535 (output_constant_pool): Adjust call to output_constant_pool_1.
10536 Switch sections here instead. Don't output anything for block symbols;
10537 just pass them to place_block_symbol.
10538 (init_varasm_once): Initialize object_block_htab.
10539 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10540 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10541 (place_block_symbol, get_section_anchor, output_object_block)
10542 (output_object_block_htab, output_object_blocks): New functions.
10543 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10544 (TARGET_ASM_OUT): Include it.
10545 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10546 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10547 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10548 (TARGET_INITIALIZER): Include them.
10549 * rtl.c (rtl_check_failed_block_symbol): New function.
10550 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10551 (block_symbol, object_block): New structures.
10552 (rtx_def): Add a block_symbol field to the union.
10553 (BLOCK_SYMBOL_CHECK): New macro.
10554 (rtl_check_failed_block_symbol): Declare.
10555 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10556 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10557 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10558 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10559 * output.h (output_section_symbols): Declare.
10560 (object_block): Name structure.
10561 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10562 (default_use_anchors_for_symbol_p): Declare.
10563 * Makefile.in (RTL_BASE_H): Add vec.h.
10564 (explow.o): Depend on output.h.
10565 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10566 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10567 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10568 (rs6000_use_blocks_for_constant_p): New function.
10570 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10572 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10574 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10577 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10580 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10582 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10586 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10588 PR middle-end/26334
10589 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10590 instead of DECL_REGISTER.
10592 2006-02-18 Olivier Hainque <hainque@adacore.com>
10595 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10597 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10600 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10601 * opth-gen.awk: Handle Var and InverseMask together.
10602 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10603 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10604 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10605 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10607 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10608 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10609 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10610 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10611 LINUX_DYNAMIC_LINKER): Define.
10612 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10613 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10615 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10616 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10617 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10618 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10619 (TARGET_C99_FUNCTIONS): Don't define.
10620 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10621 GLIBC_DYNAMIC_LINKER.
10622 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10623 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10624 GLIBC_DYNAMIC_LINKER64): Define.
10625 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10626 LINUX_DYNAMIC_LINKER64.
10627 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10628 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10629 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10630 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10631 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10632 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10633 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10634 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10635 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10637 and LINUX_DYNAMIC_LINKER32.
10638 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10639 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10640 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10641 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10642 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10644 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10645 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10646 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10647 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10648 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10649 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10650 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10651 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10652 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10653 LINUX_DYNAMIC_LINKER): Define.
10654 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10655 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10656 GLIBC_DYNAMIC_LINKER64): Define.
10657 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10658 LINUX_DYNAMIC_LINKER64.
10659 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10660 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10661 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10662 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10663 LINUX_DYNAMIC_LINKER): Define.
10664 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10665 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10666 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10667 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10668 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10669 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10670 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10671 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10672 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10673 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10674 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10675 * doc/invoke.texi (-muclibc): Remove caveat about supported
10678 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10680 * doc/cpp.texi (__TIMESTAMP__): Document.
10682 2006-02-17 Roger Sayle <roger@eyesopen.com>
10684 PR middle-end/25600
10685 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10686 C is one less than the width of X (and related transformations).
10687 * simplify-rtx.c (simplify_unary_operation_1): Transform
10688 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10689 depending on STORE_FLAG_VALUE, were C is one less then the
10692 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10694 Fix PR tree-optimization/26341
10695 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10696 about NAME_MEMORY_TAG's.
10698 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10701 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10702 with hardware float support, and software float support. Add fcpy
10703 alternative to hardware patterns. Add alternatives to copy between
10704 general and floating-point registers to the 32-bit pattern.
10705 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10706 secondary reload to load a QI or HI mode constant into a floating
10708 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10709 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10711 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10714 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10716 (load_macho_picbase_di): Likewise.
10718 2006-02-16 Jeff Law <law@redhat.com>
10720 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10721 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10722 (ssa_name_nonzero_p): Likewise.
10723 (get_value_range): Return NULL if VRP is not running.
10724 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10725 VRP routines do not discover a range.
10726 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10727 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10728 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10729 (tree_expr_nonnegative_p): Similarly.
10730 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10731 (restore_nonzero_vars_to_original_value): Remove.
10732 (unsafe_associative_fp_binop): Remove.
10733 (tree_ssa_dominator_optimize): Remove initialization and
10734 finalization of nonzero_vars and nonzero_vars_stack.
10735 (dom_opt_initialize_block): No longer push marker on
10736 nonzero_vars_stack.
10737 (dom_opt_finalize_block): No longer call
10738 restore_nonzero_vars_to_original_value.
10739 (record_equivalences_from_phis): No longer look for
10740 nonzero PHI arguments.
10741 (cprop_into_successor_phis): No longer propagate nonzero
10742 property into PHI arguments. Lose unused argument. Caller
10744 (record_equivalences_from_stmt): No longer record nonzero
10745 values for SSA_NAMEs.
10746 (lookup_avail_expr): No longer use nonzero_vars.
10748 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10749 for sizetype when sizetype is unsigned.
10751 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10753 PR rtl-optimization/25603
10754 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10755 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10756 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10757 with new meaning of SETS.
10759 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10764 * config/linux.opt: New file.
10765 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10766 LINUX_DYNAMIC_LINKER): Define.
10767 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10768 * config.gcc (*-*-linux*): Define extra_options.
10769 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10770 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10771 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10772 GLIBC_DYNAMIC_LINKER.
10773 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10774 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10775 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10776 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10777 * doc/invoke.texi (GNU/Linux Options): New section.
10779 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10781 * config/sparc/sparc.md (setjmp): Rewrite.
10782 (setjmp_32): Delete.
10783 (setjmp_64): Likewise.
10785 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10787 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10790 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10792 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10795 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10797 PR rtl-optimization/26296
10798 * Makefile.in (loop-invariant.c): Add except.h dependency.
10799 * loop-invariant.c: Include except.h.
10800 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10802 2005-02-16 Paul Brook <paul@codesourcery.com>
10804 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10807 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10809 PR rtl-optimization/25636
10810 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10811 when deciding whether an insn is an initializing insn.
10813 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10815 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10816 (tree_code_size): Ditto.
10817 * tree.h (struct tree_memory_tag): Remove parent_var.
10818 (struct tree_struct_field_tag): New.
10821 (union tree_node): Add sft member.
10822 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10824 (create_sft): Add size and offset argument, set SFT_OFFSET and
10826 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10827 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10828 * tree-flow-inline.h (get_subvar_at): Update for
10829 SFT_OFFSET/SFT_SIZE.
10830 (var_can_have_subvars): Ditto.
10831 (overlap_subvar): Ditto.
10832 * print-tree.c (print_node): Print out interesting things for
10834 * tree-flow.h (struct subvar): Remove offset and size members.
10835 * tree-ssa-operands.c (get_expr_operands): Update for
10836 get_indirect_ref_operands changes.
10837 (get_indirect_ref_operands): Call add_virtual_operand instead of
10838 add_stmt_operand. Only recurse on base var if requested.
10839 (access_can_touch_variable): New function.
10840 (add_stmt_operand): Split virtual operand handling into ...
10841 (add_virtual_operand): Here. Add offset, size, and for_clobber
10842 arguments. Prune alias sets.
10843 (add_call_clobber_ops): Call add_virtual_operand.
10845 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10847 PR middle-end/26300
10848 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10850 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10851 than TREE_CODE as index into omp_clause_num_ops array.
10853 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10855 PR rtl-optimization/26184
10856 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10858 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10859 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10860 must_precede, must_follow and tobe_scheduled.
10863 * opts.c (common_handle_option): Free new_option pointer.
10864 * df-core.c (df_analyze): Free postorder pointer.
10866 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10868 * Makefile.in: Fix the examples about the use of stamps
10870 2006-02-15 Michael Matz <matz@suse.de>
10872 PR middle-end/22275
10874 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10875 influenced by maximum_field_alignment or DECL_PACKED.
10876 (update_alignment_for_field): Ditto.
10877 (place_field): Ditto.
10878 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10881 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10883 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10884 (debug_flow_info): Pass it.
10885 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10886 * bb-reorder.c (reorder_basic_blocks): Likewise.
10887 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10888 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10889 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10890 * gcse.c (gcse_main, bypass_jumps): Likewise.
10891 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10892 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10893 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10894 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10895 * rtl.h (dump_flow_info): Adjust prototype.
10896 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10897 * var-tracking.c (variable_tracking_main): Likewise.
10898 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10899 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10902 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10904 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10907 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10909 PR tree-optimization/26209
10910 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10911 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10913 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10915 2006-02-14 Roger Sayle <roger@eyesopen.com>
10917 PR middle-end/23670
10918 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10919 (X,Y) and the corresponding symmetry related transformations.
10920 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10921 (X,Y) and its symmetry related transformations.
10923 2006-02-14 Roger Sayle <roger@eyesopen.com>
10925 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10928 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10930 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10932 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10935 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10936 support COMDAT group.
10937 * configure: Regenerate.
10939 2006-02-14 Roger Sayle <roger@eyesopen.com>
10941 PR middle-end/26279
10942 PR middle-end/26280
10943 PR middle-end/26283
10944 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10946 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10948 Fix PR tree-optimization/26260
10950 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10952 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10953 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10954 * tree-ssa-structalias.c (create_variable_info_for): Use
10955 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10957 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10959 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10961 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10962 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10963 of the ending condition.
10964 * tree-ssa-loop-manip.c: Include params.h.
10965 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10966 tree_unroll_loop): New functions.
10967 * tree-pass.h (pass_loop_prefetch): Declare.
10968 * loop.c (rest_of_handle_loop_optimize): Test for
10969 -fprefetch-loop-arrays-rtl.
10970 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10971 * timevar.def (TV_TREE_PREFETCH): New timevar.
10972 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10973 pass_loop_prefetch): New.
10974 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10975 (cleanup_tree_cfg_loop): Call scev_reset.
10976 * common.opt (fprefetch-loop-arrays-rtl): Add.
10977 * tree-ssa-loop-prefetch.c: New file.
10978 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10979 (new_temp_expr_table): Initialize expr_vars.
10980 (free_temp_expr_table): Cleanup expr_vars.
10981 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10982 expressions from being merged into one.
10983 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10984 (struct tree_niter_desc): Add control, bound and cmp fields.
10985 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10987 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10988 (tree-cfgcleanup.o): Add SCEV_H dependency.
10989 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10990 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10992 2006-02-14 Richard Guenther <rguenther@suse.de>
10994 PR tree-optimization/26258
10995 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10996 in PHI argument processing.
10998 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11000 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11001 new expression in the requested machine mode.
11003 2006-02-13 Roger Sayle <roger@eyesopen.com>
11005 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11006 directly, instead let do_compare_rtx_and_jump handle this for us.
11007 * expr.c (expand_expr_real_1): Likewise.
11008 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11009 before do_jump_by_parts_greater.
11010 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11011 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11013 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11015 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11017 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11019 PR rtl-optimization/26235
11020 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11021 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11024 2006-02-13 Jeff Law <law@redhat.com>
11026 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11029 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11031 PR middle-end/26092
11032 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11033 twice if decl is a builtin. When trying again, call get_callee_fndecl
11034 first to verify it is still a builtin.
11036 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11038 * dwarf2out.c (base_type_die): Don't add AT_name here.
11039 (subrange_type_die): Don't add AT_name here.
11040 (modified_type_die): Rearrange code flow. Do add AT_name here.
11042 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11044 PR rtl-optimization/26247
11045 PR rtl-optimization/26248
11046 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11048 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11050 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11051 * config/fixtfdi.c: Likewise.
11052 * config/fixunstfdi.c: Likewise.
11053 * config/floatditf.c: Likewise.
11055 2006-02-13 Roger Sayle <roger@eyesopen.com>
11057 PR middle-end/24427
11058 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11059 into (X,C2) if C1 is a subset of the bits of C2. Transform
11060 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11062 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11064 2006-02-13 Josh Conner <jconner@apple.com>
11067 * varasm.c (function_section): Check for section name before
11068 calling select_section on targets that define
11069 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11070 unlikely_text_section instead of hot_function_section if
11071 first_function_block_is_cold.
11073 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11075 PR middle-end/25335
11076 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11078 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11080 PR rtl-optimization/26222
11081 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11082 after tree->rtl expansion.
11083 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11084 before passing it to emit_move_insn.
11086 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11088 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11090 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11091 Clarify documentation.
11092 * c-common.h (warn_write_strings): Remove.
11093 * c-common.c (warn_write_strings): Likewise.
11094 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11097 2006-02-12 Roger Sayle <roger@eyesopen.com>
11099 PR middle-end/25724
11100 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11101 (do_jump_parts_zero_rtx): New function renamed from
11102 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11103 (do_jump_parts_equality_rtx): New function split out from
11104 do_jump_parts_equality. Old implementation renamed as above.
11105 Call do_jump_parts_zero_rtx if either operand is zero.
11106 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11107 do all of the heavy lifting.
11108 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11109 calling either do_jump_by_parts_greater_rtx or
11110 do_jump_by_parts_equality_rtx.
11111 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11112 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11113 moved to do_compare_rtx_and_jump, call it directly.
11114 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11115 mode argument. Call do_compare_rtx_and_jump.
11116 (emit_case_nodes): Update calls to do_jump_if_equal.
11118 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11120 PR rtl-optimization/26225
11121 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11123 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11125 PR rtl-optimization/26232
11126 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11128 2006-02-11 Jason Merrill <jason@redhat.com>
11131 * tree-inline.c (declare_return_variable): Just don't use the
11132 modify target if it's a gimple complex reg and the return slot
11135 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11137 * doc/contrib.texi: Update my entry.
11139 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11141 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11143 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11145 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11148 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11150 * doc/invoke.texi (-floop-optimize2): Removed.
11151 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11152 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11153 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11154 * common.opt (floop-optimize2): Removed.
11155 (fmove-loop-invariants): Enabled by default.
11157 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11159 * tree-if-conv.c (combine_blocks): Free the result of
11160 get_loop_exit_edges.
11162 2006-02-10 Jeff Law <law@redhat.com>
11164 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11166 PR tree-optimization/26213
11167 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11168 loop trying to follow SSA_NAME_VALUE chains.
11170 2006-02-10 Richard Guenther <rguenther@suse.de>
11172 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11173 deal with structures that end in implicitly variable sized arrays.
11175 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11177 PR rtl-optimization/24762
11178 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11181 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11183 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11184 (struct ivopts_data): Add regs_used field.
11185 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11186 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11187 instead of loop_data->regs_used;
11188 (free_loop_data): Do not free aux fields for loops.
11189 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11190 and tree_ssa_iv_optimize_finalize.
11192 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11194 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11196 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11199 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11200 computing the effective result type.
11202 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11204 PR inline-asm/16194
11205 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11206 (tree_overlaps_hard_reg_set): Declare.
11207 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11208 type and signature to match function type expected by walk_tree.
11209 (tree_overlaps_hard_reg_set): New function.
11210 (decl_conflicts_with_clobbers_p): Rename to:
11211 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11212 Use tree_overlaps_hard_reg_set. Changed caller.
11213 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11214 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11215 * cris.c (cris_md_asm_clobbers): Likewise.
11217 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11219 * reload1.c (emit_input_reload_insns): Delete code that tries to
11220 inherit using find_equiv_reg.
11222 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11224 * c-common.h (flag_const_strings): Don't declare.
11225 * c-common.c (flag_const_strings): Remove.
11226 * c.opt (fconst_strings): Remove.
11227 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11228 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11229 (c_common_init_options): Don't set flag_const_strings.
11230 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11232 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11234 * arm.md (tlobits_cbranch): New pattern.
11235 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11236 testing a single bit.
11238 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11241 * tree-ssa-pre.c (create_component_ref_by_pieces):
11242 Handle RETURN_DECL like VAR_DECL.
11244 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11246 PR middle-end/26134
11247 * fold-const.c (fold_indirect_ref_1): Fold
11248 "*(foo *)&complexfoo" to "__real__ complexfoo"
11249 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11251 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11253 * tree-flow-inline.h (var_can_have_subvars):
11254 Volatile variables should not have subvariables.
11256 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11259 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11260 multiplying unsigned values.
11263 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11265 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11267 2006-02-08 Jason Merrill <jason@redhat.com>
11270 * tree.def: Elaborate on difference from MODIFY_EXPR.
11271 * doc/c-tree.texi (INIT_EXPR): Likewise.
11272 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11273 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11274 (gimplify_target_expr): Likewise.
11275 (gimplify_cond_expr): Remove target handling.
11276 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11277 (gimplify_expr): Clobber it here.
11278 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11279 Do return slot optimization if we have an INIT_EXPR.
11282 * tree-inline.c (declare_return_variable): Also clear
11283 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11286 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11288 PR middle-end/22439
11289 * gimplify.c (gimplify_one_sizepos): Fix typo.
11291 2006-02-08 Jeff Law <law@redhat.com>
11293 PR tree-optimization/21417
11294 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11295 across a backedge if the control statement at the end of the
11296 block is data dependent on other statements in the same block.
11297 (record_temporary_equivalences_from_stmts): Remove over-conservative
11298 test for threading across backedges.
11300 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11301 control statement, handle all three special cases in the same
11302 manner as they all have the same desired solution. No longer
11303 special case edge flag updating when the post dominator is
11306 2006-02-08 Roger Sayle <roger@eyesopen.com>
11308 * tree.def (CHAR_TYPE): Remove.
11309 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11310 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11311 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11312 (gen_string_type_die): Delete unreachable function.
11314 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11315 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11316 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11317 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11318 * builtins.c (type_to_class): Likewise.
11319 * fold-const.c (fold_convert, build_range_check,
11320 merge_ranges): Likewise.
11321 * expr.c (count_type_elements): Likewise.
11322 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11323 * stor-layout.c (layout_type): Likewise.
11324 * ipa-type-escape.c (type_to_consider): Likewise.
11325 * gimplify.c (omp_firstprivatize_type_sizes,
11326 gimplify_type_sizes): Likewise.
11327 * explow.c (promote_mode): Likewise.
11328 * tree-sra.c (is_sra_scalar_type): Likewise.
11329 * varasm.c (output_constant): Likewise.
11330 * tree-inline.c (remap_type_1): Likewise.
11331 * convert.c (convert_to_pointer, convert_to_real,
11332 convert_to_integer, convert_to_complex): Likewise.
11334 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11336 * df-scan.c (df_def_record_1): A set destination may
11337 be a parallel regardless of mode.
11339 2006-02-08 Roger Sayle <roger@eyesopen.com>
11342 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11343 * config/mips/_tilib.c: Remove.
11344 * config/fixtfdi.c: New libgcc source file.
11345 * config/fixunstfdi.c: New source file.
11346 * config/floatditf.c: New source file.
11347 * config/floatunditf.c: New souce file.
11348 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11349 files above instead of config/mips/_tilib.c.
11350 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11352 2006-02-08 Jeff Law <law@redhat.com>
11354 PR tree-optimization/26169
11355 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11358 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11360 * df.h (DF_REG_SIZE): Return the length of the initialized
11363 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11365 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11366 __muldf3): Return a correctly signed zero.
11368 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11370 * passes.c (register_one_dump_file): Accept the current properties
11371 instead of pass number. Adjust call to dump_register. Remove
11373 (register_dump_files): Now a wrapper around...
11374 (register_dump_files_1): ... this one. Do not modify the pass
11376 (next_pass_1): Cosmetic fix.
11377 (execute_todo): Keep second parameter only. Use curr_properties
11378 instead of fetching it from the pass structure. Check and set
11380 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11381 instead of fetching it from the pass structure. Fix calls to
11382 execute_todo. Update curr_properties and initialize .vcg RTL dump
11383 after running the pass. Reset last_verified.
11384 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11386 (FIRST_AUTO_NUMBERED_DUMP): New.
11387 (dump_register): Remove "num" parameter, assign it within the
11389 (get_dump_file_name): Modify template for dumps.
11390 * tree-dump.h (dump_register): Adjust prototype.
11391 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11392 (PROP_trees): Add PROP_gimple_lomp.
11393 (TODO_set_props): New.
11394 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11395 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11396 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11398 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11400 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11401 (sparc64-*-linux*): Likewise.
11402 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11403 * config/sparc/t-linux: New file.
11404 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11405 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11406 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11407 -m32 -mlong-double-128.
11409 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11410 * config/alpha/t-linux: New file.
11411 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11413 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11414 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11415 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11416 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11417 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11418 (CPP_ARCH32_SPEC): Remove.
11420 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11422 PR tree-optimization/26145
11423 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11426 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11429 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11430 >= 240000 when generating code for SOM runtime.
11431 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11432 to $$dyncall when generating code for SOM runtime..
11434 2006-02-07 Dirk Mueller <dmueller@suse.com>
11437 * doc/invoke.texi (-Wsequence-point): Update documentation
11438 that -Wsequence-point is implemented for C++ as well.
11440 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11442 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11443 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11444 (LIB_SPEC): Likewise.
11445 * doc/invoke.texi (SPARC options): Document -pthread.
11447 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11449 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11452 2006-02-07 Roger Sayle <roger@eyesopen.com>
11454 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11455 Correct comment describing BOOLEAN_TYPE.
11457 2006-02-07 Dirk Mueller <dmueller@suse.com>
11459 * c.opt: C++ frontend supports -Wdiv-by-zero.
11460 * c-opts.c (c_common_handle_option): Remove dead case.
11462 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11464 * configure.ac (TLS assembler check): Do not enable TLS by
11465 default on SPARC/Solaris before version 10.
11466 * configure: Regenerate.
11468 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11470 * doc/invoke.texi (xl-compat): Document conversion and support
11473 2006-02-07 Jeff Law <law@redhat.com>
11475 * tree-vrp.c (find_conditional_asserts): Update comments.
11476 (simplify_stmt_for_jump_threading): New.
11477 (identify_jump_threads, finalize_jump_threads): New.
11478 (vrp_finalize): Call identify_jump_threads.
11479 (execute_vrp): Call finalize_jump_threads.
11480 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11481 (vrp_element, vrp_data, vrp_element_p): Remove.
11482 (vrp_hash_elt, vrp_variables_stack): Remove.
11483 (vrp_hash, vrp_eq, record_range): Remove.
11484 (simplify_cond_and_lookup_avail_expr): Remove.
11485 (extract_range_from_cond): Remove.
11486 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11487 (simplify_stmt_for_jump_threading): New.
11488 (dom_thread_across_edge): New wrapper.
11489 (tree_ssa_dominator_optimize): No longer initialize or
11490 finalize any of the VRP datastructures. Remove iteration
11491 step and simplify as a result of removal of iteration step.
11492 (pass_dominator): Perform a cfg cleanup after DOM.
11493 (dom_opt_finalize_block): Use the new common routines
11494 for threading jumps. Simplify stack management slightly.
11495 No longer need to unwind VRP state.
11496 (record_equivalences_from_incoming_edge): No longer record
11498 (eliminate_redundant_computations): No longer call
11499 simplify_cond_and_lookup_avail_expr.
11500 * tree-flow.h (potentially_threadable_block): Prototype.
11501 (thread_across_edge): Likewise.
11502 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11503 (tree-ssa-threadedge.o): Add dependencies.
11504 * tree-ssa-threadedge.c: New file.
11505 * passes.c (init_optimization_passes): Merge PHIs before
11506 calling VRP. Run VRP again late in the SSA optimization pipeline.
11508 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11510 * df-core.c (df_set_blocks): Do not dereference function pointers.
11511 (df_finish1): Likewise.
11512 (df_hybrid_search_forward): Likewise.
11513 (df_hybrid_search_backward): Likewise.
11514 (df_iterative_dataflow): Likewise.
11515 (df_analyze_problem): Likewise.
11516 (df_compact_blocks): Likewise.
11517 (df_dump): Likewise.
11518 * df-scan.c (df_rescan_blocks): Likewise.
11519 (df_record_entry_block_defs): Likewise.
11521 * genconditions.c (write_conditions): Guard the definition of
11522 'insn_conditions' with the check on GCC version.
11523 (write_writer): Guard the traversal 'insn_conditions' with
11524 the check on GCC version.
11526 2006-02-07 Richard Guenther <rguenther@suse.de>
11530 2006-01-30 Richard Guenther <rguenther@suse.de>
11532 * gimplify.c (gimplify_target_expr): Handle easy cases
11533 without creating a temporary.
11535 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11537 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11538 use of float in probability computations. Use edge probabilities
11539 in place of statically computed probabilities.
11540 (min_spec_prob): New static variable.
11541 (schedule_insns): Initialize it.
11542 (GET_SRC_PROB): Removed.
11543 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11545 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11548 * config/ia64/unwind-ia64.c: Revert last change.
11549 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11550 (INCOMING_FRAME_SP_OFFSET): Define.
11552 2006-02-06 Roger Sayle <roger@eyesopen.com>
11554 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11556 2006-02-07 Ben Elliston <bje@au.ibm.com>
11558 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11559 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11560 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11561 (ix86_return_in_memory): Handle TDmode.
11562 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11563 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11565 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11567 * reorg.c (dbr_schedule): Use dump_file instead of file.
11569 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11572 * config/ia64/predicates.md (extr_len_operand): New predicate.
11573 * config/ia64/ia64.md (extv): Tighten constraints.
11575 (*tbit_and_2): Ditto.
11576 (*tbit_and_3): Ditto.
11577 (*tbit_or_2): Ditto.
11578 (*tbit_or_3): Ditto.
11579 (*bit_zero): Ditto.
11582 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11585 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11587 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11589 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11590 loop_optimizer_init and loop_optimizer_finalize
11591 * tree-ssa-sink.c (execute_sink_code): Ditto.
11592 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11593 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11594 tree_ssa_loop_done): Ditto.
11595 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11596 * sched-ebb.c: Include output.h.
11597 (schedule_ebbs): Do not use dump argument.
11598 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11599 * loop.c (loop_dump_stream): Removed.
11600 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11602 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11603 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11604 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11605 loop_iterations, strength_reduce, record_biv, record_giv,
11606 final_giv_value, check_final_value, check_ext_dependent_givs,
11607 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11608 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11609 dump_file instead of loop_dump_stream.
11610 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11611 argument dump_file.
11612 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11614 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11615 * haifa-sched.c: Include output.h
11616 (schedule_insns, sched_init): Do not use dump argument.
11617 * mode-switching.c (optimize_mode_switching): Ditto.
11618 * modulo-sched.c (stats_file): Removed.
11619 (print_node_sched_params): Do not call argument dump_file.
11620 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11621 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11623 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11625 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11626 rtl_loop_init, rtl_loop_done): Ditto.
11627 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11628 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11630 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11631 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11632 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11633 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11634 * emit-rtl.c (renumber_insns): Ditto.
11635 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11636 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11637 * regclass.c (regclass): Ditto.
11638 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11639 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11640 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11641 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11643 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11644 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11646 * gcse.c (gcse_file, debug_stderr): Removed.
11647 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11648 rest_of_handle_gcse): Do not use dump argument.
11649 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11650 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11651 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11652 compute_code_hoist_vbeinout, compute_code_hoist_data,
11653 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11654 compute_store_table, build_store_vectors, insert_insn_start_bb,
11655 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11656 store_motion): Use dump_file instead of gcse_file.
11657 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11658 * profile.c (profile_dump_file): Removed.
11659 (branch_prob): Use dump_file instead of profile_dump_file.
11660 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11662 * tree-ssa-copy.c (dump_copy_of): Ditto.
11663 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11664 dump file to life_analysis.
11665 * bt-load.c (branch_target_load_optimize): Ditto.
11666 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11668 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11669 regclass, dbr_schedule): Declaration changed.
11670 * sched-int.h (sched_init): Declaration changed.
11671 * tree-profile.c (tree_profile_dump_file): Removed.
11672 (tree_profile_hooks): Removed profile_dump_file hook.
11673 * rtl-profile (rtl_profile_dump_file): Removed.
11674 (rtl_profile_hooks): emoved profile_dump_file hook.
11675 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11677 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11678 * tree-cfg.c (build_tree_cfg): Ditto.
11679 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11680 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11681 Declaration changed.
11682 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11683 life_analysis and schedule_insns.
11684 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11686 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11688 * config/mips/mips.c (mips_reorg): Ditto.
11689 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11692 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11694 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11695 (s390_mangle_fundamental_type): New.
11696 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11699 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11700 (alpha_mangle_fundamental_type): New.
11701 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11704 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11706 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11708 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11709 (sparc_mangle_fundamental_type): New.
11711 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11713 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11714 (s390x-*-linux*): Likewise.
11715 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11716 * config/s390/t-linux: New file.
11718 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11720 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11721 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11723 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11725 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11726 (ANTIC_SAFE_LOADS): New macro.
11727 (find_or_generate_expression): Add prototype.
11728 (set_contains_value): Allow null set for sake of not always having
11729 to allocate ANTIC_SAFE_LOADS.
11730 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11731 Allow COMPONENT_REF too.
11732 (valid_in_set): Allow COMPONENT_REF.
11733 Check ANTIC_SAFE_LOADS too.
11734 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11735 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11737 (can_PRE_operation): Add COMPONENT_REF.
11738 (create_component_ref_by_pieces): New function.
11739 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11740 (insert_aux): Move AGGREGATE_TYPE_P check here.
11741 (compute_avail): Set bb local stmt uids.
11742 (pass_pre): Use TODO_update_ssa_only_virtuals.
11744 2006-02-06 Ben Elliston <bje@au.ibm.com>
11746 * configure.ac: Unconditionally disable decimal float by default.
11747 * configure: Regenerate.
11749 2006-02-06 Ben Elliston <bje@au.ibm.com>
11751 * read-rtl.c (read_name): Terminate reading on EOF.
11753 2006-02-06 Ben Elliston <bje@au.ibm.com>
11755 * dfp.c (decimal_real_arithmetic): Change second argument type
11756 from int to enum tree_code. Do not always return true, but now
11757 return result of any call to decimal_do helper functions.
11758 * dfp.h (decimal_real_arithmetic): Update prototype.
11760 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11762 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11764 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11767 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11770 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11772 * tree-vrp.c (cfg_loops): Removed.
11773 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11774 Use current_loops instead of cfg_loops. Pass flags to
11775 loop_optimizer_init.
11776 * cfgloopmanip.c (fix_loop_structure): Update only available
11778 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11779 loop_optimizer_init.
11780 * modulo-sched.c (build_loops_structure): Removed.
11781 (sms_schedule): Use loop_optimizer_init.
11782 * loop-init.c (loop_optimizer_init): Use flags to determine
11783 which properties of loops to prepare.
11784 (rtl_loop_init): Pass flags to loop_optimizer_init.
11785 * tree-ssa-sink.c (execute_sink_code): Ditto.
11786 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11787 * tree-ssa-pre.c (init_pre): Ditto.
11788 * cfgloop.h (LOOPS_NORMAL): New.
11789 (loop_optimizer_init): Declaration changed.
11791 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11793 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11794 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11796 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11798 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11800 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11801 * pa/t-pa64: Delete quadlib.c rule.
11802 * pa/x-ada: Revert last change.
11803 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11805 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11807 PR rtl-optimization/26087
11808 * rtlanal.c (canonicalize_condition): Do not cross basic block
11811 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11814 * config/ia64/ia64.c: Include debug.h.
11815 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11816 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11817 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11818 (process_epilogue, process_set, process_for_unwind_directive):
11819 Output unwind info only if requested. Add CFA info if requested.
11820 Add new arguments as needed. Adjust callers.
11821 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11823 (DWARF2_FRAME_INFO): Define to zero.
11824 * config/ia64/unwind-ia64.c: Remove code that compensated for
11825 the CFA offset error fixed above.
11826 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11827 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11828 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11829 -funwind-tables and -fexceptions to enable frame info.
11830 (dwarf2out_frame_init): Define initial CFA even if
11831 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11832 DWARF2_UNWIND_INFO is nonzero, not just defined.
11833 (dwarf2out_frame_finish): Output non-EH call frame info only
11834 if DWARF2_FRAME_INFO is nonzero.
11835 (convert_cfa_to_loc_list,
11836 compute_frame_pointer_to_cfa_displacement): Define even if
11837 unwind info is not supported.
11838 (gen_subprogram_die): Use the above unconditionally. Remove
11839 legacy alternate code.
11840 * toplev.c (compile_file): Compile in call to
11841 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11842 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11844 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11845 Jakub Jelinek <jakub@redhat.com>
11847 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11848 IBM extended float format long double as "g" on powerpc*-linux.
11850 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11853 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11854 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11856 2006-02-03 Jason Merrill <jason@redhat.com>
11859 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11861 PR middle-end/25977
11862 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11863 on the return slot if it's an NRV.
11865 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11867 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11868 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11869 rewrite_use): Do not handle USE_OUTER.
11870 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11871 add_iv_outer_candidates, may_replace_final_value,
11872 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11873 (find_interesting_uses_op): Functionality of
11874 find_interesting_uses_outer_or_nonlin moved here.
11875 (find_interesting_uses_outside): Use find_interesting_uses_op.
11877 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11880 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11882 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11883 Ulrich Weigand <uweigand@de.ibm.com>
11886 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11887 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11888 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11889 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11891 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11892 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11893 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11894 Define secondary reloads for TFmode moves.
11895 (constant_modes): Add TFmode.
11896 (NR_C_MODES): Set to 8.
11897 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11899 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11900 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11901 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11902 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11903 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11904 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11905 (FPR mode macro): Add TFmode.
11906 (DSF mode macro): New.
11907 (<de>, <dee> mode attributes): Removed.
11908 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11909 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11910 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11911 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11912 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11913 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11914 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11915 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11916 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11917 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11918 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11919 "*negabs<mode>2", "sqrt<mode>2"):
11920 Changed <de> to <xde>. R constraint replaced by <Rf>.
11921 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11923 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11924 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11925 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11927 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11928 "extenddftf2", "extendsftf2"): New expanders.
11929 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11930 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11931 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11932 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11934 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11935 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11936 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11937 __floatditf): Add a GCC_4.1.0 symbol version tag.
11938 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11941 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11944 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11945 Use targetm.binds_local_p instead of TREE_PUBLIC.
11947 2006-02-02 Roger Sayle <roger@eyesopen.com>
11949 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11950 on INTEGER_TYPEs to indicate that it denotes a character type.
11951 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11952 signed_char_type_node, unsigned_char_type_node and char_type_node.
11953 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11954 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11955 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11957 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11958 Daniel Berlin <dberlin@dberlin.org>
11960 * tree-tailcall.c (arg_needs_copy_p): New function.
11961 (eliminate_tail_call): Use arg_needs_copy_p.
11962 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11963 (add_virtual_phis): New function.
11965 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11967 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11968 #ignore instead of #scratch for %g7 .register directive.
11970 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11972 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11975 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11977 * flow.c (calculate_global_regs_live): Assert that there aren't any
11980 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11982 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11983 what its name says.
11984 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11985 bsi_after_labels iterator.
11986 * tree-if-conv.c (find_phi_replacement_condition,
11987 replace_phi_with_cond_modify_expr): Likewise.
11988 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11989 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11991 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11993 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11995 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11998 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11999 array after growing it.
12001 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12003 PR middle-end/24901
12004 * fold-const.c (fold_checksum_tree): Change type of buf.
12006 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12008 * reload.c (push_secondary_reload): Initialize t_icode.
12010 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12012 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12013 -msoft-float -mlong-double-128 only issue a warning, but don't
12014 swich to DFmode long double.
12016 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12018 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12019 has a constant equivalent, iterate over equivalents for arg0,
12020 calling simplify_relational_operation and if there's a result
12021 cheaper than X, apply fold_rtx and return the result.
12023 2006-02-01 Jan Hubicka <jh@suse.cz>
12025 * opts.c (no_unit_at_a_time_default): New global variable.
12026 (decode_options): Use it.
12027 * opts.h (no_unit_at_a_time_default): Declare.
12029 2006-02-01 Paul Brook <paul@codesourcery.com>
12031 * function.c (assign_parm_setup_reg): Use function argument promotion
12033 * expr.c (expand_expr_real_1): Use function argument promotion rules
12036 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12038 * gcc.c (process_command): Change j to 'unsigned int'.
12040 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12042 PR middle-end/26001
12043 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12044 Use the corrected index for the character
12045 out of the string constant.
12047 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12049 * mode-switching.c (optimize_mode_switching): Fix size
12050 allocated for bb_info[n_entities].
12052 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12054 * gcc.c (main): Correct type that is allocated for
12055 explicit_link_files.
12057 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12059 * config/s390/s390.c (init_alignment_context): Set
12060 ALIAS_SET_MEMORY_BARRIER on the MEM.
12061 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12063 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12065 PR middle-end/25933
12066 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12068 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12071 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12073 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12074 * regrename.c: Ditto.
12075 * tree-ssa-loop-im.c: Ditto.
12076 * tree-dump.c: Ditto.
12077 * tree-complex.c: Ditto.
12078 * genrecog.c: Ditto.
12079 * tree-ssa-threadupdate.c: Ditto.
12081 * java/class.c: Ditto.
12082 * java/jcf-parse.c: Ditto.
12083 * java/resource.c: Ditto.
12084 * java/except.c: Ditto.
12085 * java/jvspec.c: Ditto.
12086 * java/jcf-write.c: Ditto.
12087 * java/jcf-path.c: Ditto.
12088 * java/gjavah.c: Ditto.
12089 * java/zextract.c: Ditto.
12090 * java/jcf-io.c: Ditto.
12091 * java/jcf.h: Ditto.
12092 * java/buffer.c: Ditto.
12093 * java/lang.c: Ditto.
12094 * java/parse-scan.y: Ditto.
12095 * java/lex.c: Ditto.
12096 * java/lex.h: Ditto.
12097 * cfgloopmanip.c: Ditto.
12098 * postreload-gcse.c: Ditto.
12099 * tree-ssa-loop-manip.c: Ditto.
12100 * postreload.c: Ditto.
12101 * tree-ssa-loop-ch.c: Ditto.
12104 * cppspec.c: Ditto.
12105 * diagnostic.c: Ditto.
12107 * genoutput.c: Ditto.
12109 * cfghooks.c: Ditto.
12110 * cfgloopanal.c: Ditto.
12111 * objc/objc-act.c: Ditto.
12113 * genextract.c: Ditto.
12114 * genautomata.c: Ditto.
12115 * pretty-print.c: Ditto.
12116 * genemit.c: Ditto.
12117 * cgraphunit.c: Ditto.
12119 * df-scan.c: Ditto.
12120 * haifa-sched.c: Ditto.
12121 * dominance.c: Ditto.
12123 * tree-ssa-loop-ivopts.c: Ditto.
12124 * df-core.c: Ditto.
12125 * mode-switching.c: Ditto.
12126 * modulo-sched.c: Ditto.
12128 * ipa-pure-const.c: Ditto.
12130 * fix-header.c: Ditto.
12132 * tree-stdarg.c: Ditto.
12133 * ipa-utils.c: Ditto.
12134 * loop-init.c: Ditto.
12135 * ipa-inline.c: Ditto.
12136 * cfganal.c: Ditto.
12138 * alloc-pool.c: Ditto.
12139 * dwarf2out.c: Ditto.
12141 * genattrtab.c: Ditto.
12142 * tree-ssa-loop-ivcanon.c: Ditto.
12143 * predict.c: Ditto.
12144 * timevar.c: Ditto.
12146 * fortran/gfortranspec.c: Ditto.
12147 * regmove.c: Ditto.
12148 * local-alloc.c: Ditto.
12149 * langhooks.c: Ditto.
12150 * function.c: Ditto.
12151 * tree-vectorizer.c: Ditto.
12153 * ipa-type-escape.c: Ditto.
12155 * tree-if-conv.c: Ditto.
12156 * profile.c: Ditto.
12158 * tree-data-ref.c: Ditto.
12159 * loop-unroll.c: Ditto.
12160 * treelang/treetree.c: Ditto.
12162 * bt-load.c: Ditto.
12163 * ggc-common.c: Ditto.
12165 * coverage.c: Ditto.
12167 * tree-cfgcleanup.c: Ditto.
12168 * tree-ssa-pre.c: Ditto.
12169 * cfgcleanup.c: Ditto.
12170 * loop-invariant.c: Ditto.
12171 * loop-iv.c: Ditto.
12172 * ipa-prop.c: Ditto.
12173 * print-tree.c: Ditto.
12174 * conflict.c: Ditto.
12175 * ggc-page.c: Ditto.
12176 * sched-deps.c: Ditto.
12177 * regclass.c: Ditto.
12178 * tree-object-size.c: Ditto.
12179 * combine.c: Ditto.
12180 * bb-reorder.c: Ditto.
12181 * resource.c: Ditto.
12182 * var-tracking.c: Ditto.
12183 * cfgloop.c: Ditto.
12184 * df-problems.c: Ditto.
12185 * reg-stack.c: Ditto.
12187 * gccspec.c: Ditto.
12188 * sched-rgn.c: Ditto.
12189 * tree-ssa-structalias.c: Ditto.
12190 * tree-ssa-reassoc.c: Ditto.
12191 * config/darwin-c.c: Ditto.
12192 * config/darwin.c: Ditto.
12193 * config/arm/arm.c: Ditto.
12195 * collect2.c: Ditto.
12196 * reload1.c: Ditto.
12198 2006-01-31 Nicolas Pitre <nico@cam.org>
12200 * arm.md (smaxsi3): Make aware of smax_m1.
12203 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12205 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12207 2006-01-31 Richard Guenther <rguenther@suse.de>
12209 * doc/invoke.texi (-msselibm): Document.
12210 * target.h (expand_library_builtin): New target hook.
12211 * builtins.c (expand_builtin): Use expand_library_builtin.
12212 (default_expand_library_builtin): New function.
12213 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12214 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12215 (link_gcc_math_spec): Declare.
12216 (static_specs): Add link_gcc_math_spec.
12217 * expr.h (default_expand_library_builtin): Declare.
12218 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12219 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12220 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12221 * config/i386/i386.opt (msselibm): New target option.
12222 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12223 (ix86_init_sse_abi_builtins): New function.
12224 (ix86_expand_library_builtin): Likewise.
12225 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12226 (override_options): Handle error conditions wrt -msselibm.
12227 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12228 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12229 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12232 2006-01-31 Richard Guenther <rguenther@suse.de>
12233 Paolo Bonzini <bonzini@gnu.org>
12235 * doc/install.texi (--disable-libgcc-math): Document.
12237 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12239 * expr.h (expand_normal): new inline function.
12240 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12241 * dojump.c: use it.
12242 * dwarf2out.c: use it.
12245 * expmed.c: use it.
12246 * except.c: use it.
12247 * config/sparc/sparc.c: use it.
12248 * config/i386/i386.c: use it.
12249 * config/rs6000/rs6000.c: use it.
12250 * config/arm/arm.c: use it.
12251 * config/mips/mips.c: use it.
12252 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12254 2006-01-30 Roger Sayle <roger@eyesopen.com>
12256 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12257 argv to the appropriate type.
12259 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12261 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12264 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12267 * config/s390/s390.c (struct machine_function): New flag
12268 decomposed_literal_pool_addresses_ok_p.
12269 (s390_reorg): Set it before final stage of literal pool transforms.
12270 (s390_decompose_address): Only accept displacements of the form
12271 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12273 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12275 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12276 the comparison routine return.
12278 2006-01-30 Michael Matz <matz@suse.de>
12280 * global.c (find_reg): Only evict for global regs.
12281 Take n_refs into account and dump more info.
12283 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12286 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12287 (pragma_trap, pragma_nosave_low_regs): Likewise.
12288 (current_function_anonymous_args): Likewise.
12289 (sh_deferred_function_attributes): New variable.
12290 (sh_deferred_function_attributes_tail): Likewise.
12291 (print_operand): For '@', look up trap_exit attribute.
12292 (calc_live_regs): Look up trapa_handler attribute. For trapa
12293 handlers, save/restore fpscr, but don't do any other
12294 interrupt-specific saves.
12295 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12296 Fix check for partially saved registers to check for SHmedia.
12297 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12298 (sh_output_function_epilogue): Don't clear any of the removed
12300 (sh_insert_attributes): Don't check pragma_interrupt.
12301 Insert deferred attributes. Check that interrupt attribute is
12302 present for other attributes that require its presence.
12303 (sh_attribute_table): Add new attributes trapa_handler and
12305 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12306 Don't check for pragma_interrupt. Don't store argument.
12307 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12308 (sh_deferred_function_attributes): Declare.
12309 (sh_deferred_function_attributes_tail): Likewise.
12310 * sh.md (sp_switch_1): Add operand. Change generator caller.
12311 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12312 (*return_i): Don't use when trap_exit attribute is in effect.
12313 (*return_trapa): New insn pattern.
12314 * sh-c.c: New file.
12315 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12316 setting c_target_objs and cxx_target_objs.
12317 * t-sh: Add rule for sh-c.o.
12319 2006-01-30 Richard Guenther <rguenther@suse.de>
12322 * gimplify.c (gimplify_target_expr): Handle easy cases
12323 without creating a temporary.
12325 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12327 * vec.h (safe_grow): Remove duplicated line.
12329 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12332 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12333 (expand_omp): ... here.
12334 (expand_omp_parallel): Only remove barriers for combined
12335 parallel+workshare constructs.
12337 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12341 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12342 * tree.c (build_qualified_type): Chain the new type to the original
12343 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12344 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12345 (build_pointer_type_for_mode): Only return unqualified types.
12346 (build_reference_type_for_mode): Likewise.
12348 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12350 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12351 * Makefile.in (CXX_COMPAT_WARN): Define.
12352 * configure: Regenerate.
12354 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12357 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12360 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12362 * toplev.c: Fix thinko.
12364 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12365 Marcin Dalecki <martin@dalecki.de>
12367 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12368 (push_srcloc): Use XNEW.
12369 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12371 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12373 * df-core.c (df_set_blocks): Deleted all variable.
12375 2006-01-28 Ian Lance Taylor <ian@airs.com>
12377 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12378 cgraph_output_pending_asms.
12380 2006-01-28 Zack Weinberg <zackw@panix.com>
12382 * c.opt: Add -W(no-)overlength-strings.
12383 * doc/invoke.texi: Document it.
12384 * c-opts.c (c_common_handle_option): -pedantic implies
12385 -Woverlength-strings, if not explicitly disabled already.
12386 (c_common_post_options): -Woverlength-strings defaults to off, and
12387 is always off for C++.
12388 * c-common.c (fix_string_type): Issue warning about strings longer
12389 than is portable only if warn_overlength_strings. Rearrange code
12390 a little for clarity.
12391 * configure.in: Check for -Wno-overlength-strings as well before
12392 enabling -pedantic in stage 1.
12393 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12394 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12396 * genconditions.c (write_header, write_one_condition)
12397 (write_conditions, write_writer): Consolidate very long strings
12398 that were broken up to fit in C89 portable limit. Don't use
12399 printf when fputs will do.
12401 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12403 * combine.c (simplify_comparison <AND>): Check
12404 TRULY_NOOP_TRUNCATION before start using a subreg.
12406 * config/mips/mips.md (*branch_zero<mode>,
12407 *branch_zero<mode>_inverted, *branch_equality<mode>,
12408 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12409 Remove mode check from comparisons.
12411 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12413 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12415 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12417 * expmed.c (const_mult_add_overflow_p): Remove.
12418 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12420 * recog.c (validate_replace_rtx_subexp): Remove.
12421 * recog.h: Remove the prototype for
12422 validate_replace_rtx_subexp.
12424 * integrate.h: Remove the prototype for
12425 copy_decl_for_inlining.
12426 * rtl.h: Remove the prototype for mark_constant_function.
12427 * tree-vectorizer.h: Remove the prototype for
12428 vect_strip_conversion.
12430 * modulo-sched.c (create_partial_schedule,
12431 free_partial_schedule, reset_partial_schedule): Make them
12434 * hooks.c (hook_bool_rtx_int_false): Remove.
12435 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12437 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12439 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12440 and -mlong-double-128 are incompatible.
12441 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12442 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12443 (TARGET_LIBGCC2_CFLAGS): Define.
12444 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12445 (TARGET_LIBGCC2_CFLAGS): Same.
12446 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12448 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12451 * c-typeck.c (build_binary_op): Perform implicit casts of
12452 operands before shortening them.
12454 * cfgloopmanip.c (split_loop_bb): Remove.
12455 * cfgloop.h: Remove the prototype for split_loop_bb.
12457 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12458 * cfgloop.h: Remove the prototype for
12459 flow_loop_outside_edge_p.
12461 * emit-rtl.c (init_virtual_regs): Make it static.
12462 * function.h: Remove the prototype for init_virtual_regs.
12464 * recog.c (peephole2_optimize): Make it static.
12465 * recog.h: Remove the prototype for peephole2_optimize.
12467 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12469 * df-scan.c (df_record_entry_block_defs): Check if
12470 INCOMING_RETURN_ADDR_RTX is defined.
12472 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12473 Kenneth Zadeck <zadeck@naturalbridge.com>
12475 PR rtl-optimization/24762
12476 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12477 * targhooks.c (hook_void_bitmap): New hook prototype.
12478 * targhoohs.h (hook_void_bitmap): Ditto.
12479 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12480 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12481 * target.h (live_on_entry): New function pointer.
12482 * df-scan.c (df_all_hard_regs): Removed.
12483 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12484 (df_scan_free_internal): Added df->entry_block_defs.
12485 (df_scan_alloc): Ditto.
12486 (df_scan_dump): Ditto.
12487 (df_uses_record): Plumbed flag field properly thru calls.
12488 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12489 This part fixes PR24762.
12490 (df_bb_refs_record): Added code to make the frame and arg
12491 pointers live in EH blocks.
12492 (df_refs_record): Added call to df_record_entry_block_defs.
12493 (df_record_entry_block_defs): New function.
12494 * df-core.c: Added comments to describe new artifical defs.
12495 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12496 (entry_block_defs): New field in struct df.
12497 (df_all_hard_regs): Deleted.
12498 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12499 * df-problems.c (df_ru_bb_local_compute_process_def):
12500 Added code to handle artifical defs in the entry to a function.
12501 (df_ru_bb_local_compute): Ditto.
12502 (df_rd_bb_local_compute_process_def): Ditto.
12503 (df_rd_bb_local_compute): Ditto.
12504 (df_lr_bb_local_compute): Ditto.
12505 (df_ur_bb_local_compute): Ditto.
12506 (df_urec_bb_local_compute): Ditto.
12507 (df_chain_create_bb): Ditto.
12508 (df_ur_local_finalize): Removed entry.
12509 (df_urec_init): Ditto.
12510 (df_urec_local_finalize): Ditto.
12511 (df_ri_bb_compute): Added detection of last use of pseudos.
12512 * Makefile.in (df-scan.o): Updated dependencies.
12513 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12514 * config/mips/mips.c (mips_set_live_on_entry): Added.
12515 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12517 * dce.c (marked_insn_p): Added code to handle artifical defs.
12519 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12521 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12523 (_mm_cvtsi128_si64): Likewise.
12524 (_mm_cvtsd_si64): Likewise.
12525 (_mm_cvttsd_si64): Likewise.
12526 (_mm_cvtsi64_sd): Likewise.
12527 (_mm_cvtsi64_si128): Likewise.
12528 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12529 (_mm_cvtsi64_m64): Likewise.
12530 (_m_to_int64): Likewise.
12531 (_mm_cvtm64_si64): Likewise.
12532 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12533 (_mm_cvttss_si64): Likewise.
12534 (_mm_cvtsi64_ss): Likewise.
12535 (_mm_cvtss_f32): Likewise.
12537 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12539 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12540 for pragma redefine_extname.
12542 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12545 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12546 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12547 -mno-minimal-toc to previous content.
12548 (bispecs): Remove goal.
12549 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12550 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12551 compatibility aliases on powerpc-*-*gnu*.
12552 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12553 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12554 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12555 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12556 (ldblspecs): New goal.
12557 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12558 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12560 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12561 L_sf_to_tf or L_df_to_tf is defined.
12563 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12564 Alan Modra <amodra@bigpond.net.au>
12567 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12568 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12569 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12570 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12571 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12572 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12573 (rs6000_override_options): Initialize rs6000_ieeequad.
12574 Initialize TFmode format to ibm_extended_format if not
12576 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12578 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12579 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12580 (function_arg_advance): IBM long double passed in two FPRs, not
12582 (function_arg): IBM long double passed in FPRs.
12583 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12584 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12585 Only multireg GPR aligned.
12586 (rs6000_init_libfuncs): Enable IBM long double functions if not
12588 (rs6000_generate_compare): Use IBM long double compare if not
12590 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12591 (TARGET_IEEEQUAD): Define.
12592 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12593 not TARGET_IEEEQUAD.
12594 * config/rs6000/rs6000.md: Enable TFmode patterns if
12596 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12597 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12598 and -mlong-double-128 are incompatible.
12599 * doc/invoke.texi (-mabi): Collect options together. Add
12600 ibmlongdouble and ieeelongdouble.
12602 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12604 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12606 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12607 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12608 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12609 * rtl.h (rtunion_def): Remove rt_ptr.
12611 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12612 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12613 * config/i386/winnt.c (i386_pe_mark_dllexport)
12614 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12616 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12618 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12620 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12624 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12625 pthread_key_delete. From John David Anglin. gthrw-ify
12626 pthread_getunique_np only if it it's not a macro. Delete
12628 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12629 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12630 __gthread_objc_condition_signal, __gthread_key_delete): Add
12631 "__attribute__ ((__unused__))" to unused arguments.
12632 (__gthread_recursive_mutex_init_function): Add missing return.
12633 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12634 gthr-posix95.h: Use macro-based approach for name redirection
12635 on targets missing weakref.
12637 2006-01-26 Zack Weinberg <zackw@panix.com>
12639 * genconditions.c (write_header): In generated code, #ifdef out
12640 all includes and fake declarations, except includes of bconfig.h
12641 and system.h, unless GCC_VERSION >= 3001. Do not include
12642 gensupport.h in any case.
12643 (write_conditions): Generate a definition of struct c_test. Add
12644 a comment to the generated #endif.
12645 (write_one_condition): Escape backslashes in string too.
12646 (write_writer): Generated code must escape backslashes and quote
12647 marks (but not newlines) in the strings it writes.
12648 * Makefile.in (build/gencondmd.o): Update dependencies.
12650 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12653 * Makefile.in (insn-automata.o): Add header file dependencies.
12654 * genautomata.c: Add includes.
12656 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12659 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12661 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12663 * configure.ac: Expect target tools paths to be passed from the toplevel
12664 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12666 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12668 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12671 * c.opt (Wpointer-sign): Init to -1.
12672 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12673 OPT_pedantic, to 0 otherwise.
12674 * doc/invoke.texi: Update.
12676 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12678 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12679 constants provided by 80387 instructions in the destination mode.
12681 2006-01-26 Richard Guenther <rguenther@suse.de>
12682 Andrew Pinski <pinskia@physics.uc.edu>
12685 partial PR tree-opt/17064
12686 * tree-ssa-structalias.c (intra_create_variable_infos):
12687 Create heap variables for incoming parameters if
12688 flag_argument_noalias > 1.
12689 (find_what_p_points_to): Look through default defs of
12692 2006-01-26 Jeff Law <law@redhat.com>
12695 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12696 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12697 within the VR_RANGE, use the VR_RANGE as the result, not the
12699 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12700 bounds for the type.
12702 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12704 * tree-ssa-alias.c (maybe_create_global_var): Change
12705 subvar walking to an assertion that we don't have subvar'd variables.
12707 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12710 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12711 Use a new variable, inner. PARM_DECLs are always non-weak.
12713 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12715 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12716 --disable-checking.
12718 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12720 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12722 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12724 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12725 (smax_insn, smin_insn, smax_0, smin_0): New.
12727 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12730 * config/cris/cris.c (cris_order_for_addsi3): New function.
12731 * config/cris/cris-protos.h: Prototype it.
12732 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12733 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12734 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12735 (split for "op.S1 [rx=rx+i],ry (swapped)")
12736 (split for "op(s|u).S1 [rx=rx+i],ry")
12737 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12738 Apply cris_order_for_addsi3 when generating addsi3 insns.
12740 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12742 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12743 (TREE_BLOCK): Add call to EXPR_CHECK.
12745 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12748 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12749 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12750 (dump_omp_clauses): ... here.
12751 (dump_generic_node): Handle OMP_CLAUSE.
12752 * tree.c (omp_clause_num_ops): New.
12753 (omp_clause_code_name): New.
12754 (tree_code_size): Handle OMP_CLAUSE.
12755 (tree_size): Likewise.
12756 (make_node): Document handling of OMP_CLAUSE.
12757 (tree_node_structure): Handle OMP_CLAUSE.
12758 (omp_clause_check_failed): New.
12759 (omp_clause_range_check_failed): New.
12760 (omp_clause_operand_check_failed): New.
12761 (build_omp_clause): New.
12762 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12763 * tree.h (enum omp_clause_code): Declare.
12764 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12765 (OMP_CLAUSE_RANGE_CHECK): Define.
12766 (OMP_CLAUSE_ELT_CHECK): Define.
12767 (omp_clause_check_failed): Declare.
12768 (omp_clause_operand_check_failed): Declare.
12769 (omp_clause_range_check_failed): Declare.
12770 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12771 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12772 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12773 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12774 (OMP_CLAUSE_IF_EXPR): Likewise.
12775 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12776 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12777 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12778 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12779 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12780 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12781 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12782 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12783 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12784 (OMP_CLAUSE_CODE): Define.
12785 (OMP_CLAUSE_SET_CODE): Define.
12786 (OMP_CLAUSE_CODE): Define.
12787 (OMP_CLAUSE_OPERAND): Define.
12788 (struct tree_omp_clause): Declare.
12789 (union tree_node): Add field 'omp_clause'.
12790 * treestruct.def (TS_OMP_CLAUSE): Define.
12791 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12792 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12793 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12794 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12795 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12796 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12797 (OMP_CLAUSE): Define.
12798 * print-tree.c (print_node): Handle OMP_CLAUSE.
12799 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12800 * c-typeck.c: Likewise.
12801 * gimplify.c: Likewise.
12802 * c-omp.c: Likewise.
12803 * tree-nested.c: Likewise.
12804 * tree-inline.c: Likewise.
12805 * c-parser.c: Likewise.
12806 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12809 2006-01-25 Roger Sayle <roger@eyesopen.com>
12811 PR rtl-optimization/25703
12812 * combine.c (try_combine): Handle zero_extract and strict_low_part
12813 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12815 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12817 * global.c: Fix comment typos.
12819 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12822 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12823 Use output_addr_const instead of assemble_name.
12825 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12827 * Makefile.in (sched-vis.o): Update dependencies.
12828 * haifa-sched.c (sched_finish): Clear current_sched_info.
12829 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12830 (dump_flow_info): Call it.
12831 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12833 * basic-block.h (dump_bb_info): Declare.
12834 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12835 option, and apply options only for dump files whose TDF_RTL,
12836 TDF_TREE, or TDF_IPA bits match.
12837 * rtl.h: Declare new functions exported from sched-vis.c.
12838 * sched-vis.c: Enable also if scheduling is not used.
12839 (print_value): Print the mode of registers if not inside scheduling.
12840 (print_insn): Make it work outside the scheduler. Beautify the output
12842 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12844 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12846 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12847 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12848 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12849 depending on the value of CONSTANT_POOL_ADDRESS_P.
12850 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12852 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12853 rather than SYMBOL_REF_DECL.
12854 (rtx_constant_pool): Remove const_rtx_sym_htab.
12855 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12856 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12857 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12858 Remove handling of const_rtx_sym_htab.
12859 (find_pool_constant): Delete.
12860 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12861 rather than find_pool_constant.
12862 (get_pool_constant_for_function): Delete.
12863 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12864 find_pool_constant.
12865 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12866 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12867 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12868 (SYMBOL_REF_CONSTANT): New macro.
12869 (get_pool_constant_for_function): Delete.
12870 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12871 rather than SYMBOL_REF_DECL.
12872 (i386_pe_mark_dllimport): Likewise.
12873 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12874 rather than SYMBOL_REF_DECL.
12875 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12876 (machopic_indirect_call_target): Likewise.
12878 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12880 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12882 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12884 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12886 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12888 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12890 2006-01-24 David Daney <ddaney@avtrex.com>
12893 * configure.ac (enable_tls): New enable option.
12894 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12895 * configure: Regenerate.
12896 * doc/install.texi (--enable-tls): Document new option.
12897 (--disable-tls): Ditto.
12899 2006-01-24 Richard Henderson <rth@redehat.com>
12901 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12902 * alias.c (true_dependence): Respect it.
12903 (canon_true_dependence, write_dependence_p): Likewise.
12904 * builtins.c (get_builtin_sync_mem): Set it.
12906 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12908 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12911 2006-01-24 DJ Delorie <dj@redhat.com>
12913 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12914 for storing constants in single-bit bitfields.
12916 2006-01-25 Ben Elliston <bje@au.ibm.com>
12918 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12920 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12923 * tree-ssa-pre.c (phi_translate): Return NULL
12924 for AGGREGATE_TYPE's.
12926 2006-01-24 Zack Weinberg <zackw@panix.com>
12928 * genautomata.c (process_state_for_insn_equiv_partition):
12929 Use xcalloc for insn_arcs_array.
12930 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12931 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12933 2006-01-24 Richard Henderson <rth@redhat.com>
12935 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12936 update all callers.
12938 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12940 PR rtl-optimization/25890
12941 PR rtl-optimization/25905
12942 * combine.c (expand_compound_operation, expand_field_assignment):
12943 Fail if the bitfield's final position is out of bounds.
12945 2006-01-24 Ian Lance Taylor <ian@airs.com>
12947 PR middle-end/25930
12948 * cgraphunit.c (cgraph_output_in_order): Don't clear
12949 cgraph_asm_nodes until after asm strings have been output.
12951 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12953 * fix-header.c (read_scan_file): Add new parameter imultilib when
12954 calling register_include_chains.
12956 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12958 * omp-low.c: Update documentation.
12960 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12961 Daniel Berlin <dberlin@dberlin.org>
12965 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12966 return from the function.
12968 2006-01-22 Zack Weinberg <zackw@panix.com>
12970 * rtl.def (match_code): Add second argument.
12971 * genpreds.c (write_extract_subexp): New function.
12972 (write_match_code): Add path argument. Use write_extract_subexp.
12973 (write_predicate_expr): Pass path to write_match_code.
12974 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12975 not perform a mode test.
12976 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12977 a subexpression does not constrain the top-level code set.
12978 * read-rtl.c (read_rtx_variadic): New function.
12979 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12980 * doc/md.texi: Document new notation.
12981 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12982 (cmpsi_operand): ... here, using new notation.
12984 2006-01-22 Zack Weinberg <zackw@panix.com>
12986 * varray.c: Remove GENERATOR_FILE #ifdefs.
12988 2006-01-22 Zack Weinberg <zackw@panix.com>
12990 * genautomata.c (output_reserved_units_table): Emit nothing if
12991 description->query_units_num is zero. Remove extra blank line.
12992 (output_cpu_unit_reservation_p): Short circuit
12993 if description->query_units_num is zero.
12995 2006-01-22 Zack Weinberg <zackw@panix.com>
12997 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12998 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12999 nor any of the random handful of variables that used to be necessary
13000 when this program was linked with rtlanal.o. Prune set of forward
13001 function declarations.
13002 (struct attr_desc): Remove static_p field.
13003 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13004 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13005 (attr_string): Do not read the character one past the length of
13007 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13008 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13009 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13010 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13011 (make_automaton_attrs): New.
13012 (main): Do not call into genautomata. Call local gen_bypass
13013 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13014 Remove special case for insn_alts.
13015 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13016 varray.h (leftover from previous change). Prune set of forward
13017 function declarations. Remove state_alts fields from all
13018 structures. Remove state_alts_table from struct automaton.
13019 Make everything except main static. Do not maintain num_dfa_decls.
13020 Do not maintain state_alts fields of various structures.
13021 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13022 (add_arc): Remove state_alts argument. All callers updated.
13023 (output_reserved_units_table): Emit #ifdef here...
13024 (output_tables): ...not here. Don't generate state_alts tables.
13025 (expand_automata): Don't generate attributes.
13026 (write_automata): Don't generate state_alts functions.
13027 (main): New function.
13028 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13029 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13030 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13031 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13032 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13033 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13034 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13035 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13037 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13038 * genattrtab.h: Delete file.
13039 * Makefile.in (OBJS-common): Add insn-automata.o.
13040 (insn-automata.o): New rule.
13041 (simple_generated_c): Add insn-automata.c.
13042 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13043 (genprogmd): Add automata.
13044 (build/genattrtab): Needs no extra objects nor libraries.
13045 (build/genautomata): Needs build/vec.o and -lm.
13047 2006-01-22 Zack Weinberg <zackw@panix.com>
13049 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13050 (output_dfa_max_issue_rate, locked_states_num): Delete.
13051 (struct automaton): Add locked_states field.
13052 (output_dead_lock_vect): Save number of locked states in
13053 automaton->locked_states. If it is zero, don't print anything.
13054 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13055 (output_internal_dead_lock_func): Only test the dead_lock_vect
13056 for automata that have locked states.
13057 (output_statistics): Always print the number of locked states for
13058 each automaton. Calculate total number of locked states here.
13059 (write_automata): Don't call output_dfa_max_issue_rate.
13060 * genattrtab.c: Define length_unit_log as a const variable.
13061 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13062 max_insn_queue_index const.
13063 * final.c (length_unit_log): Declare const.
13064 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13066 2006-01-22 Zack Weinberg <zackw@panix.com>
13068 * genautomata.c: Include vec.h, not varray.h.
13069 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13070 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13071 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13072 VEC_* macros operating on appropriately typed vectors, or to
13073 malloced arrays when the size is known in advance. Const-ify
13074 many char* variables and function arguments. No functional changes.
13075 * Makefile.in (build/varray.o): Delete rule.
13076 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13077 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13079 2006-01-22 Zack Weinberg <zackw@panix.com>
13081 * gensupport.c: Define get_insn_name and record_insn_name here.
13082 (read_md_rtx): Call record_insn_name as appropriate.
13083 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13084 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13085 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13087 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13088 (BUILD_VARRAY): Delete.
13089 (genprognormal): Rename genprogmd. Fold in all programs from
13090 genprognoprint; also attrtab.
13091 (build/genattrtab): Just mention genautomata.o and varray.o.
13092 Reorganize a bit, add comments to make the categories clearer.
13094 2006-01-22 Zack Weinberg <zackw@panix.com>
13096 * genconditions.c (condition_table, add_condition): Delete.
13097 (write_conditions): Don't emit n_insn_conditions nor
13098 insn_elision_unavailable. Issue the gcc version #ifdef here,
13099 inside the table, with no #else clause ...
13100 (write_header): ...not here.
13101 (write_writer): New function.
13102 (main): Don't initialize condition_table. Use add_c_test.
13104 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13105 files on the command line.
13106 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13107 Return -1 if there is no entry in the table, don't abort.
13108 (add_c_test, traverse_c_tests): New functions.
13109 * gensupport.h (insn_elision_unavailable, insn_conditions)
13110 (n_insn_conditions): Delete declarations.
13111 (add_c_test, traverse_c_tests): Declare.
13112 * read-rtl.c: Include gensupport.h.
13113 (read_conditions): New function.
13114 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13115 (read_rtx_1): If we get EOF when we were looking for an initial
13116 open paren, return 0. Call read_conditions when appropriate.
13117 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13118 dummy-conditions.o. Eliminate references to insn-conditions.o,
13119 or change them to build/gencondmd.o, as appropriate. Remove
13120 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13121 from $(simple_generated_c). For all files remaining in those
13122 two lists, add insn-conditions.md to the generator command line.
13123 Give insn-constants.h/s-constants their own rules. Add rules
13124 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13125 (build/read-rtl.o): Depend on gensupport.h.
13126 (genprognormal): Include preds.
13127 (genprogearly): Rename genprognoprint; only difference is now that
13128 they don't link with $(BUILD_PRINT).
13129 * dummy-conditions.c: Delete.
13131 2006-01-22 Zack Weinberg <zackw@panix.com>
13133 * genextract.c: Don't include insn-config.h. Do include vec.h.
13134 Declare vectors of int, char, and locstr.
13135 (locstr): New typedef.
13136 (struct extraction): Make all array fields into bare pointers.
13137 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13138 (insn_code_number): Delete.
13139 (accum_extract): New struct.
13140 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13141 (gen_insn): Take insn_code_number as an argument. Use an
13142 accum_extract structure instead of loading data directly into
13143 a struct extraction, and having to know how big it might get.
13144 (walk_rtx): Operate entirely on an accum_extract structure.
13145 (print_path): Avoid unnecessary use of printf.
13146 (print_header): New function, split out of main. Distinguish
13147 more carefully between an unrecognizable insn and an insn that
13148 has the code number of a define_expand.
13149 (main): Pass insn_code_number to gen_insn. Call print_header
13150 only after parsing. Avoid unnecessary use of printf.
13151 * Makefile.in (build/vec.o): New rule.
13152 (build/genextract): Depend on build/vec.o.
13153 (build/genextract.o): Don't depend on insn-config.h.
13155 2006-01-22 Zack Weinberg <zackw@panix.com>
13157 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13158 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13159 practical. Eliminate per-generator-program link rules.
13161 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13163 PR middle-end/24437
13164 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13165 with a call expr to ...
13166 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13168 2006-01-23 Richard Guenther <rguenther@suse.de>
13170 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13171 before make_edge with conditional EDGE_TRUE_VALUE.
13173 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13174 Jan Hubicka <jh@suse.cz>
13175 Richard Guenther <rguenther@suse.de>
13177 PR rtl-optimization/25654
13178 * cfgexpand.c (aggregate_contains_union_type): New function.
13179 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13180 for structure variables that contain a union type.
13182 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13184 * gengtype.c (new_structure): Return the structure.
13185 (create_option): Add an extra "next" argument.
13186 (create_field): New function.
13187 (adjust_field_rtx_def): Use create_option and create_field.
13188 Remove a now-unnecessary call to find_structure.
13189 (adjust_field_tree_def): Likewise.
13190 (note_yacc_type): Remove an unnecessary call to find_structure.
13191 * gengtype.h (new_structure): Return the structure.
13192 (create_option): Add an extra argument.
13193 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13194 (option): Adjust calls to create_option.
13196 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13198 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13200 2006-01-22 Paul Brook <paul@codesourcery.com>
13201 Peter Barada <peter@the-baradas.com>
13203 * config/m68k/m68k.md: Add Coldfire FPU support.
13204 Define FP mode macro and associated attributes.
13205 Use it for float mode patterns.
13206 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13207 (LIBCALL_VALUE): Use m68k_libcall_value.
13208 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13209 (m68k_function_value): Ditto.
13210 (emit_move_sequence): Ditto.
13211 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13212 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13213 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13214 (MULTILIB_EXCEPTIONS): Ditto.
13215 * config/m68k/m68k.opt: Add mcfv4e.
13216 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13217 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13218 (m68k_output_function_prologue): Save ColdFire FPU registers.
13219 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13220 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13221 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13222 ColdFire FPU registers.
13223 (m68k_libcall_value, m68k_function_value): New functions.
13224 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13225 (LIBCALL_VALUE): Use m68k_libcall_value.
13226 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13227 (MASK_COLDFIRE): Add MASK_CFV4E.
13228 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13229 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13230 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13231 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13232 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13233 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13234 * doc/invoke.tex: Document -mcfv4e on m68k.
13236 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13238 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13241 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13244 * c-opts.c (c_common_handle_option): Don't include
13245 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13246 * doc/invoke.texi (C++ Dialect Options): Document that
13247 -Wnon-virtual-dtor is no longer included in -Wall.
13249 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13251 * gcov.c (print_version), gcov-dump.c (print_version),
13252 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13255 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13257 * df-scan.c (problem_SCAN): Added NULL reset function.
13258 (df_scan_reset_blocks): Added code to call reset block function
13259 (df_bb_refs_delete) Fixed comment.
13260 (df_insn_refs_delete): Made tolerant of deleting non existent info
13261 for dataflow problems that need to be reset.
13262 * df-core.c (df_set_blocks): Ditto.
13263 * df.h (struct df_problem): Added reset_fun.
13264 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13265 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13266 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13267 functions to clear out all references to def-use or use-def chains.
13269 2006-01-21 Ben Elliston <bje@au.ibm.com>
13271 * varasm.c (assemble_real): Initialise data array.
13273 2006-01-20 Paul Brook <paul@codesourcery.com>
13275 Merge from csl-arm-branch.
13276 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13277 * config/arm/arm.md (movdi): Force operands[1] to a register
13278 if we have a non-register source.
13279 (*arm_movdi, *movdf_soft_insn): Require that one of the
13280 operands be a register.
13281 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13282 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13284 2006-01-20 DJ Delorie <dj@redhat.com>
13286 * varasm.c (initializer_constant_valid_p): Allow pointers
13287 initialized from integer constants of lesser precision.
13288 (output_constant): Allow non-int-sized pointer modes to be
13289 initialized from integer constants.
13291 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13294 * cppdefault.h (struct default_include): Add multilib flag.
13295 * cppdefault.c (cpp_include_defaults): Set it.
13296 * c.opt (-imultilib): New option.
13297 * c-opts.c (imultilib): New.
13298 (c_common_handle_option): Handle -imultilib.
13299 (c_common_post_options): Likewise.
13300 * c-incpath.c (add_standard_paths, register_include_chains):
13302 * c-incpath.h (register_include_chains): Add extra parameter.
13303 * gcc.c (do_spec_1): Generate -imultilib option.
13304 (The Specs Language): Update %I description.
13305 (process_command): Update copyright notice.
13306 * doc/cppopts.texi (-imultilib): Document.
13307 * doc/invoke.texi (-imultilib): Include in option summary.
13308 (%I): Update specs documentation.
13310 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13312 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13314 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13316 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13319 2006-01-20 Richard Guenther <rguenther@suse.de>
13320 Steven Bosscher <stevenb.gcc@gmail.com>
13322 PR rtl-optimization/24626
13323 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13324 EDGE_TRUE_VALUE if in RTL mode.
13327 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13328 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13330 2006-01-20 Dirk Mueller <dmueller@suse.com>
13333 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13334 instead of a special NOP marker.
13335 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13336 NOP marker handling.
13337 * c-common.h (empty_body_warning): Add forward declaration.
13338 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13339 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13341 2006-01-20 Paul Brook <paul@codesourcery.com>
13343 * Makefile.in (lang_checks): Keep going if mkdir fails.
13345 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13347 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13348 be able to clean out basic block when not necessary.
13349 (df_scan_free): Fixed to properly delete information if df is
13350 unused before calling df_finish.
13351 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13352 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13354 (df_bb_refs_delete): New function.
13355 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13356 * df-core.c (df_set_blocks): Added code to properly clean out
13357 unused blocks if they are not part of the blocks to consider.
13358 Added additional null check.
13359 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13360 be able to clean out basic block when not necessary
13361 * df.h (df_free_bb_function): Ditto.
13362 (df_bb_refs_delete): New function.
13363 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13364 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13365 basic block parameter to be able to clean out basic block when not
13367 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13368 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13369 Fixed to properly delete information if df is unused before
13372 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13374 PR rtl-optimization/25799
13375 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13376 Corrected confluence operator to remove bits from op2 before oring
13377 with op1 rather than removing bits from op1.
13378 (df_ru_transfer_function): Corrected test on wrong bitmap which
13379 caused infinite loop. Both of these problems were introduced in
13380 the dataflow rewrite.
13382 2006-01-19 DJ Delorie <dj@redhat.com>
13384 * reload1.c (find_reload_regs): Note the details of reload
13385 failures in the dump file.
13386 (spill_failure): Likewise.
13388 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13390 * loop-iv.c: Include df.h and hashtab.h.
13391 (enum iv_grd_result): New enum.
13392 (DF_REF_IV, DF_REF_IV_SET): New macros.
13393 (struct biv_entry): New.
13394 (df, bivs): New global variables.
13395 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13396 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13398 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13399 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13400 analyzed_for_bivness_p, record_biv): New functions.
13401 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13402 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13403 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13405 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13407 (iv_number_of_iterations): Use new interface to iv analysis.
13408 * loop-unroll.c: Do not include varray.h.
13409 (analyze_iv_to_split_insn): Use new interface to iv
13411 * loop-unswitch.c (may_unswitch_on): Ditto.
13412 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13414 (df_bb_modify): Realloc tables to the new index.
13415 (df_find_use): New function.
13416 * df.h (df_find_use): Declare.
13417 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13419 * cfgloop.h (struct rtx_iv): Remove analysed field.
13420 (iv_get_reaching_def): Removed.
13421 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13422 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13423 (loop-iv.o): Add df.h and hashtab.h dependency.
13424 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13426 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13429 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13431 (__floatundisf, __floatundidf): Likewise.
13432 * libgcc2.h (IS_IBM_EXTENDED): Define.
13434 2006-01-19 DJ Delorie <dj@redhat.com>
13436 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13438 2006-01-19 Paul Brook <paul@codesourcery.com>
13440 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13441 as nothrow when unwinding tables are disabled.
13443 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13446 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13447 of bit-field" when in system header.
13449 2006-01-19 DJ Delorie <dj@redhat.com>
13451 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13452 the 16 bit shift limit of the m16c.
13454 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13457 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13458 * config/i386/i386.c (output_set_got): Output the label if we have one
13459 for the TARGET_DEEP_BRANCH_PREDICTION case.
13461 2006-01-19 Jan Hubicka <jh@suse.cz>
13462 H.J. Lu <hongjiu.lu@intel.com>
13463 Evandro Menezes <evandro.menezes@amd.com>
13465 * invoke.texi (generic): Document
13467 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13468 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13469 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13470 (x86_use_incdec, x86_pad_returns): New variables
13471 (TARGET_CPU_DEFAULT_generic): New constant
13472 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13473 (enum processor_type): Add generic32 and generic64.
13474 * i386.md (cpu attribute): Add generic32/generic64
13475 (movhi splitter): Behave sanely when both partial_reg_dependency and
13476 partial_reg_stall are set.
13477 (K8 splitters): Enable for generic as well.
13478 * predicates.md (incdec_operand): Use TARGET_INCDEC
13479 (aligned_operand): Avoid memory mismatch stalls.
13480 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13481 * ppro.md: Enable for generic32
13482 * i386.c (generic64_cost, generic32_cost): New.
13483 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13484 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13485 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13486 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13487 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13488 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13489 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13490 x86_accumulate_outgoing_args, x86_prologue_using_move,
13491 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13492 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13493 Enable for generic.
13494 (x86_use_incdec, x86_pad_returns): New.
13495 (override_options): Add generic32 and generic64, translate "generic"
13496 to generic32/generic64 and "i686" to "generic32", refuse
13497 "generic32"/"generic64" as arch target.
13498 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13499 (ix86_reorg): Honor PAD_RETURNS.
13501 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13503 * tree-pretty-print.c (dump_generic_node): Handle
13504 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13505 * cgraph.c (cgraph_expand_queue): Rename from
13506 cgraph_analyze_queue. Update all users.
13507 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13508 cgraph_expand_queue.
13509 (cgraph_expand_all_functions): Likewise.
13510 (cgraph_finalize_pending_functions): Remove. Update callers.
13512 * tree.h (OMP_DIRECTIVE_P): Define.
13513 (OMP_PARALLEL_FN): Define.
13514 (OMP_PARALLEL_DATA_ARG): Define.
13515 (OMP_SECTIONS_SECTIONS): Define.
13516 * tree-pass.h (pass_expand_omp): Declare.
13517 * omp-low.c (struct omp_region): Declare.
13518 (struct omp_context): Remove fields 'parallel_type',
13519 'parallel_start_ix' and 'parallel_start_additional_args'.
13521 (struct omp_for_data): Rename from struct expand_omp_for_data.
13522 (omp_regions): New static variable.
13523 (root_omp_region): New static variable.
13524 (find_omp_clause): Make static.
13525 (is_in_combined_parallel_ctx): Remove.
13526 (is_combined_parallel): New.
13527 (extract_omp_for_data): Move earlier in the file.
13528 (workshare_safe_to_combine_p): New.
13529 (get_ws_args_for): New.
13530 (determine_parallel_type): Move earlier in the file.
13531 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13533 (omp_copy_decl): Likewise.
13534 (create_omp_child_function): Likewise.
13535 (lookup_omp_region): New.
13536 (dump_omp_region): New.
13537 (debug_omp_region): New.
13538 (debug_all_omp_regions): New.
13539 (new_omp_region): New.
13540 (scan_omp_parallel): If parallel_nesting_level > 1, the
13541 directive is nested within another parallel directive.
13542 Set OMP_PARALLEL_FN.
13543 (scan_omp_for): Do not try to handle combined parallel+for
13545 Remove FIXME comment.
13546 (scan_omp_nested): Remove.
13547 (scan_omp_1): Do not call scan_omp_nested when
13548 parallel_nesting_level is > 1.
13549 Do not change the DECL_CONTEXT of local variables found.
13550 (lookup_decl_in_outer_ctx): New.
13551 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13552 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13553 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13554 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13555 If CTX is nested, lookup VAR in the outer context when
13556 building copy assignment.
13557 (lower_send_clauses): Rename from expand_send_clauses.
13558 If CTX is nested, lookup VAR in the outer context when
13559 building copy assignments.
13560 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13561 If CTX is nested, lookup VAR in the outer context when
13562 building copy assignments.
13563 (expand_parallel_call): Rename from build_parallel_call.
13564 Handle combined parallel+workshare cases.
13565 Re-implement to emit code into the CFG.
13567 (expand_omp_parallel): Re-implement to emit code into the CFG.
13568 Call move_sese_region_to_fn to outline the sub-graph
13569 containing the parallel region.
13570 (expand_omp_for_1): Remove.
13571 (expand_omp_for_generic): Re-implement to emit code into the
13573 (expand_omp_for_static_nochunk): Likewise.
13574 (expand_omp_for_static_chunk): Likewise.
13575 (expand_omp_for): Likewise.
13576 (expand_omp_sections): Likewise.
13577 (remove_exit_barriers): New.
13578 (expand_omp_synch): New.
13580 (build_omp_regions_1): New.
13581 (build_omp_regions): New.
13582 (execute_expand_omp): New.
13583 (gate_expand_omp): New.
13584 (pass_expand_omp): Define.
13585 (lower_omp_sections): Rename from expand_omp_sections.
13586 Set OMP_SECTIONS_SECTIONS.
13587 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13588 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13589 (lower_omp_single): Rename from expand_omp_simple.
13590 (lower_omp_master): Rename from expand_omp_master.
13591 (lower_omp_ordered): Rename from expand_omp_ordered.
13592 (lower_omp_critical): Rename from expand_omp_critical.
13593 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13594 (lower_omp_for): Re-implement.
13595 (lower_omp_parallel): Re-implement.
13596 (lower_regimplify): Rename from expand_regimplify.
13597 (lower_omp_1): Rename from expand_omp_1.
13598 If there are syntax errors in the program, replace every
13599 OpenMP directive with NOP.
13600 Call lower_omp_* instead of expand_omp_*.
13601 (lower_omp): Rename from expand_omp.
13603 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13604 * tree-gimple.h (enum omp_parallel_type): Remove.
13605 (gimple_boolify): Declare extern.
13606 (find_omp_clause, determine_parallel_type): Remove.
13608 * gimple-low.c (lower_omp_directive): New.
13609 (lower_stmt): Call it.
13610 (record_vars_into): Move from ...
13611 (record_vars): ... here.
13612 Call record_vars_into with current_function_decl.
13614 * gimplify.c (struct gimplify_ctx): Remove fields
13615 combined_pre_p and combined_ctxp. Update users.
13616 (get_formal_tmp_var): Add documentation.
13617 (gimple_boolify): Make extern.
13618 (gimplify_expr_in_ctx): Remove. Update callers.
13619 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13620 will always be a BIND_EXPR.
13621 (gimplify_expr): Handle OMP_RETURN_EXPR.
13622 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13623 (OMP_PARALLEL): Add 3 operands.
13624 (OMP_SECTIONS): Add 1 operand.
13625 (OMP_RETURN_EXPR): Define.
13627 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13628 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13629 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13630 creating a circular free list.
13631 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13633 * tree-flow.h (move_sese_region_to_fn): Declare.
13634 (record_vars_into): Declare.
13635 * tree-cfg.c (make_omp_sections_edges): New.
13636 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13637 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13638 OMP_SECTIONS and OMP_SECTION.
13639 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13640 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13641 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13642 (gather_blocks_in_sese_region): New.
13643 (struct move_stmt_d): Declare.
13644 (move_stmt_r): New.
13645 (move_block_to_fn): New.
13646 (move_sese_region_to_fn): New.
13648 * passes.c (init_optimization_passes): Schedule
13649 pass_expand_omp after pass_init_datastructures.
13651 * tree-ssa-operands.c (get_expr_operands): Handle
13652 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13653 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13655 2006-01-19 Jeff Law <law@redhat.com>
13657 * tree-vrp.c (extract_range_from_assert): Refine the result range
13658 if the variable referenced by the ASSERT_EXPR has a range and
13659 either the tentative result range or the previous range is a
13662 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13664 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13666 2006-01-19 Jan Hubicka <jh@suse.cz>
13668 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13670 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13672 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13673 (expand_compound_operation, expand_field_assignment): Fail if the
13674 bit lengths of an extract operation are out of range.
13675 (make_extraction): Compute wanted_inner_mode based on the position
13676 and length of the extraction. Make it extraction_mode for non-constant
13677 positions, and do not modify offset in that case. When generating a
13678 new MEM, use a mode that can hold the extraction while keeping correct
13679 alignment. Remove code that supported MEMs wrapped by USEs.
13680 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13682 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13684 * config/s390/s390.md ("Y", "y"): New mode attribute.
13685 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13686 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13687 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13688 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13689 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13690 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13691 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13692 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13693 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13694 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13695 "addsi3", "subsi3"): Insn patterns removed.
13696 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13697 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13698 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13699 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13700 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13701 "*sub<mode>3_cconly2"): New insn patterns.
13702 ("addsi3", "subsi3"): New expanders.
13704 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13706 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13707 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13708 existing STMT_VINFO_VECTYPE if available.
13709 (vect_mark_relevant): Add special handling for stmts that are
13710 marked as STMT_VINFO_IN_PATTERN_P.
13711 (vect_analyze_loop): Call vect_pattern_recog.
13712 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13713 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13715 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13716 (vect_recog_func_ptr): New function-pointer type.
13717 * tree-vect-patterns.c: New file.
13718 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13719 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13720 (vect_pattern_recog_1): New functions.
13721 (vect_pattern_recog_funcs): New array of function pointers.
13723 * tree-vectorizer.h (ternary_op): New enum value.
13724 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13725 declaration. Revised documentation. Removed redundant dump prints.
13726 Removed redundant argument. Added support for reduction patterns.
13727 (vectorizable_reduction): Added support for reduction patterns.
13728 (vect_transform_stmt): Added support for patterns.
13730 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13731 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13732 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13733 (expand_widen_pattern_expr): New function.
13734 (init_optabs): Initialize new optabs udot_prod_optab,
13736 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13737 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13738 (expand_widen_pattern_expr): New function declaration.
13739 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13741 * tree-inline.c (estimate_num_insns_1): Added cases for new
13742 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13743 * tree-pretty-print.c (dump_generic_node): Likewise.
13744 (op_prio): Likewise.
13745 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13746 * tree-ssa-operands.c (get_expr_operands): Added case for
13748 * tree-vect-patterns.c (widened_name_p): New function.
13749 (vect_recog_dot_prod_pattern): Added function implementation.
13750 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13751 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13752 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13753 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13755 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13756 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13757 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13758 (init_optabs): Initialize new optabs widen_ssum_optab,
13760 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13761 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13762 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13763 use instead of type of def.
13764 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13765 function implementation.
13766 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13767 widen_ssumv8hi): New.
13769 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13772 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13775 * c-decl.c (add_flexible_array_elts_to_size): New function.
13776 (finish_decl): Use it.
13778 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13780 * diagnostic.h: Include options.h.
13781 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13782 dependancies for diagnostic.h.
13783 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13785 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13787 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13788 (ssa_ro_call_cache_valid): Ditto.
13789 * tree-ssa-alias.c (sort_tags_by_id): New function.
13790 (init_transitive_clobber_worklist): Ditto.
13791 (add_to_worklist): Ditto.
13792 (mark_aliases_call_clobbered): Ditto.
13793 (compute_tag_properties): Ditto.
13794 (set_initial_properties): Ditto.
13795 (compute_call_clobbered): Ditto.
13796 (compute_may_aliases): Call compute_call_clobbered and grouping.
13797 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13798 (compute_flow_insensitive_aliasing): Grouping now happens in our
13800 (setup_pointers_and_addressables): Remove clobbering related code.
13801 (add_may_alias): Ditto.
13802 (replace_may_alias): Ditto.
13803 (get_nmt_for): Ditto.
13804 (create_global_var):
13805 (is_escape_site): Return an escape_type enumeration.
13806 * tree-flow-inline.h (is_call_clobbered): Global var does not
13807 imply call clobbered.
13808 (mark_call_clobbered): Take a reason for marking this. Remove
13809 marking of globalness, and cache invalidation.
13810 (clear_call_clobbered): Remove cache invalidation code.
13811 * tree-dfa.c (dump_variable): If details is on, dump the reason
13813 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13815 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13816 (struct var_ann_d): Ditto.
13817 (enum escape_type): New.
13818 (mark_call_clobbered): Adjust prototype.
13819 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13820 are never call clobbered.
13821 Record reasons for escaping.
13822 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13823 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13824 (ssa_ro_call_cache_valid): Ditto.
13825 (clobbered_v_may_defs): Ditto.
13826 (clobbered_vuses): Ditto.
13827 (ro_call_vuses): Ditto.
13828 (clobber_stats): New.
13829 (init_ssa_operands): Zero out clobber stats.
13830 (fini_ssa_operands): Print out clobber stats.
13831 (get_call_expr_operands): Pass callee fndecl to
13832 add_call_read_ops).
13833 (add_call_clobber_ops): Remove use of cache.
13834 Add use of PURE_CONST information.
13835 (add_call_read_ops): Remove use of cache.
13836 Add use of static not_read information.
13838 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13840 Introduce TLS descriptors for i386 and x86_64.
13841 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13842 (TARGET_ANY_GNU_TLS): New macro.
13843 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13844 (struct machine_function): Add tls_descriptor_call_expanded_p.
13845 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13846 (ix86_current_function_calls_tls_descriptor): Likewise.
13847 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13848 (override_options): Introduce gnu2 tls dialect.
13849 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13851 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13853 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13854 (ix86_init_machine_status): Initialize new field.
13855 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13856 (ix86_tls_module_base): New.
13857 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13858 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13859 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13860 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13861 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13862 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13863 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13864 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13865 * config/i386/predicates.md (tls_modbase_operand): New.
13866 (tp_or_register_operand): New.
13868 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13870 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13871 (look_for_address_of): Ditto.
13872 (ipa_init): Walk the function decls.
13873 (static_execute): Don't set readonly on FUNCTION_DECL's.
13875 2006-01-18 Roger Sayle <roger@eyesopen.com>
13877 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13878 for shifts where the source and destination registers are different.
13880 2006-01-18 Paul Brook <paul@codesourcery.com>
13882 Merge from csl-arm-branch.
13883 2005-03-14 Julian Brown <julian@codesourcery.com>
13884 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13885 (aeabi_llsl): Likewise.
13886 (ashrdi3): Likewise.
13887 (aeabi_lasr): Likewise.
13888 (lshrdi3): Likewise.
13889 (aeabi_llsr): Likewise.
13890 2005-03-10 Julian Brown <julian@codesourcery.com>
13891 * config.gcc: Disable shared libgcc for SymbianOS.
13892 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13894 2006-01-18 DJ Delorie <dj@redhat.com>
13896 * c-pragma.c (handle_pragma_diagnostic): New.
13897 (init_pragma): Register it.
13898 * doc/extend.texi: Document it.
13900 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13901 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13902 (diagnostic_context): Add classify_diagnostic[].
13903 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13904 as errors if they're overridden to DK_WARNING.
13905 (diagnostic_initialize): Initialize classify_diagnostic[].
13906 (diagnostic_set_kind_override): New.
13907 (diagnostic_report_diagnostic): Check for kind changes.
13908 * opts.c (common_handle_option): Take lang_mask. Update callers.
13909 Handle OPT_Werror_.
13910 * common.opt (Werror=): New.
13911 * doc/invoke.texi: Document -Werror=*
13913 2006-01-18 Jeff Law <law@redhat.com>
13915 * tree-vrp.c (test_for_singularity): Correct test for new
13916 min limit. Use operand_equal_p rather than pointer equality
13917 for testing if new min/max values are equal.
13919 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13920 using range information until after propagation and folding.
13922 2006-01-18 Richard Henderson <rth@redhat.com>
13923 Aldy Hernandez <aldyh@redhat.com>
13924 Jakub Jelinek <jakub@redhat.com>
13925 Diego Novillo <dnovillo@redhat.com>
13927 * omp-low.c: New file.
13928 * c-omp.c: New file.
13930 2006-01-18 Richard Henderson <rth@redhat.com>
13931 Jakub Jelinek <jakub@redhat.com>
13932 Diego Novillo <dnovillo@redhat.com>
13934 * doc/invoke.texi: Document -fopenmp.
13935 * tree-dump.h (debug_function): Declare.
13936 * hooks.c (hook_bool_tree_bool_false): New function.
13937 (hook_tree_tree_null): Remove.
13938 (hook_tree_tree_tree_null): New.
13939 * hooks.h: Update to match.
13940 * tree-pretty-print.c (debug_tree_chain): New.
13941 (print_generic_expr): Handle TDF_CHAIN.
13942 (dump_generic_node): Handle BLOCK.
13943 Do not abort with incomplete SWITCH_EXPRs.
13944 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13945 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13946 print space after directive name.
13947 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13948 Handle OMP_MASTER and OMP_ORDERED.
13949 Handle printing of OMP_BODY just in one place, goto
13950 dump_omp_body in the rest of OMP_* nodes that have
13952 Don't handle clause nodes here. Update omp statements to
13953 use dump_omp_clauses.
13954 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13955 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13956 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13957 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13958 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13959 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13960 Adjust output for GOMP_PARALLEL.
13961 (dump_omp_clauses): New.
13962 (print_declaration): Dump DECL_VALUE_EXPR.
13963 (op_symbol_1): Split out of op_symbol.
13964 (dumping_stmts): Remove. Update all users.
13965 * cgraph.c (cgraph_analyze_queue): New.
13966 (cgraph_add_new_function): New.
13967 * cgraph.h (cgraph_analyze_queue): Declare.
13968 (cgraph_add_new_function): Declare.
13969 (cgraph_lower_function): Remove.
13970 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13971 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13972 and TYPE_P nodes in its default clause.
13973 (empty_body_p): New.
13974 (tree_range_check_failed): New.
13975 (build5_stat): New.
13976 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13977 OMP_CLAUSE_REDUCTION_MERGE,
13978 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13979 OMP_CLAUSE_PRIVATE_DEBUG,
13980 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13981 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13982 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13983 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13984 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13985 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13986 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13987 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13988 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13989 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13990 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13991 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13992 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13993 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13994 (TREE_RANGE_CHECK): New.
13995 (empty_body_p): Declare.
13996 (enum omp_clause_default_kind): New.
13997 (build_string_literal): Declare.
13998 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13999 (build5_stat, build5): Declare.
14000 * tree-pass.h (TDF_CHAIN): Define.
14001 * tree-pass.h (PROP_gimple_lomp): Define.
14002 (pass_lower_omp): Declare.
14003 * diagnostic.h (debug_tree_chain): Declare.
14004 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14006 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14007 * builtins.c (build_string_literal): Make extern.
14008 * gcc.c (include_spec_function): New.
14009 (static_spec_functions): Add it.
14010 (main): Move load of libgomp.spec ...
14011 (LINK_COMMAND_SPEC): ... here.
14012 (link_gomp_spec): New.
14013 (static_specs): Include it.
14014 (LINK_COMMAND_SPEC): Add link_gomp.
14015 (GOMP_SELF_SPECS): New.
14016 (driver_self_specs): Include it.
14017 (switch_matches): Don't mark inline.
14018 (main): Load libgomp.spec.
14019 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14020 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14021 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14022 * tree-gimple.h (enum omp_parallel): Declare.
14023 (determine_parallel_type): Declare.
14024 (omp_firstprivatize_variable): Declare.
14025 (omp_reduction_init): Declare.
14026 (diagnose_omp_structured_block_errors): Declare.
14027 (struct walk_stmt_info): Add want_return_expr.
14028 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14029 (find_omp_clause): Declare.
14030 (insert_field_into_struct): Declare.
14031 (struct walk_stmt_info): Move from tree-nested.c
14032 (walk_stmts): Declare.
14033 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14035 * cgraphunit.c (cgraph_lower_function): Make static.
14036 (cgraph_finalize_pending_functions): New.
14037 (cgraph_finalize_function): Call it.
14038 (cgraph_finalize_compilation_unit): Likewise.
14039 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14040 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14041 (BT_FN_UINT_UINT): New.
14042 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14043 DEF_FUNCTION_TYPE_VAR_4): Document.
14044 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14045 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14046 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14047 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14048 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14049 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14050 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14051 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14052 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14053 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14054 into separate files.
14055 (DEF_GOMP_BUILTIN): New.
14056 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14057 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14058 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14059 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14060 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14061 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14062 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14063 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14064 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14065 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14066 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14067 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14068 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14069 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14070 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14071 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14072 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14073 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14074 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14075 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14076 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14077 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14078 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14079 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14080 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14081 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14082 * sync-builtins.def: New file, moved from builtins.def.
14083 * omp-builtins.def: New file, moved from builtins.def.
14084 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14085 * gimple-low.c (lower_function_body): Clear data.
14086 (lower_stmt): Do not handle COMPOUND_EXPR.
14087 Remove call to print_node_brief.
14088 * c-tree.h (c_finish_omp_clauses): New prototype.
14089 (C_DECL_THREADPRIVATE_P): Define.
14090 (lookup_name_no_remap, c_omp_remap_private): Remove
14091 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14092 (check_for_loop_decls): Update decl.
14093 (lookup_name_no_remap, c_omp_remap_private): Declare.
14094 (build_indirect_ref, build_modify_expr, pushdecl,
14095 pushdecl_top_level): Move to c-common.h.
14096 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14097 before the switch, but just in the 2 places that need it.
14098 * c-decl.c (diagnose_mismatched_decls): Do not check for
14099 mismatched thread-local attributes when OLDDECL is marked
14100 threadprivate and NEWDECL has no thread-local attributes.
14101 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14102 (c_gimple_diagnostics_recursively): Rename from
14103 c_warn_unused_result_recursively. Invoke
14104 diagnose_omp_structured_block_errors.
14105 (check_for_loop_decls): Return a singular decl found.
14106 * langhooks.c (lhd_omp_predetermined_sharing): Return
14107 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14108 (lhd_omp_firstprivatize_type_sizes): New.
14109 (lhd_omp_assignment): New.
14110 (lhd_omp_predetermined_sharing): New.
14111 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14112 (struct lang_hooks_for_types): Add
14113 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14114 omp_predetermined_sharing, omp_disregard_value_expr,
14115 omp_private_debug_clause, omp_clause_default_ctor,
14116 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14117 (c_finish_omp_clauses): New.
14118 (c_finish_bc_stmt): Diagnose break within omp for.
14119 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14120 (build_unary_op): Return error_mark after reporting
14122 (build_modify_expr): Likewise.
14123 * gimplify.c: Include optabs.h and pointer-set.h.
14124 (enum gimplify_omp_var_data): Declare.
14125 (struct gimplify_omp_ctx): Declare.
14126 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14128 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14129 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14130 (splay_tree_compare_decl_uid): New.
14131 (new_omp_context): New.
14132 (delete_omp_context): New.
14133 (gimple_add_tmp_var): Call omp_add_variable.
14134 (gimplify_bind_expr): Likewise.
14135 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14136 true, disregard DECL_VALUE_EXPR on the decl if any.
14137 (gimplify_expr_in_ctx): New.
14138 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14139 omp_add_variable, omp_notice_variable, omp_is_private
14140 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14141 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14142 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14143 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14144 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14145 gimplify_omp_atomic): New.
14146 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14147 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14148 OMP_CRITICAL and OMP_ATOMIC.
14149 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14150 * c-pragma.h (enum pragma_kind): Add
14151 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14152 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14153 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14154 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14155 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14156 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14157 PRAGMA_OMP_THREADPRIVATE.
14158 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14159 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14160 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14161 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14162 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14163 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14164 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14165 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14166 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14167 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14168 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14169 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14170 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14172 (struct nesting_info): Add field_map,
14173 suppress_expansion, debug_var_chain.
14174 (create_nesting_tree): Initialize them.
14175 (lookup_field_for_decl): Use field_map.
14176 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14177 (convert_local_omp_clauses): New.
14178 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14179 (walk_body): Split out of walk_function.
14180 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14181 (convert_nonlocal_reference): Handle omp statements.
14182 (convert_local_reference): Likewise.
14183 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14184 (unnest_nesting_tree): New.
14185 (lower_nested_functions): Call it.
14186 (insert_field_into_struct): Make extern.
14187 (struct walk_stmt_info): Move to tree-gimple.h.
14188 (walk_stmts): Make extern.
14189 * omp-builtins.def: New file.
14190 * tree-iterator.c (expr_only): Clarify comment.
14191 * c-common.h (pushdecl_top_level, pushdecl,
14192 build_modify_expr, build_indirect_ref,
14193 c_finish_omp_master, c_finish_omp_critical,
14194 c_finish_omp_ordered, c_finish_omp_barrier,
14195 c_finish_omp_atomic, c_finish_omp_flush,
14196 c_finish_omp_for, c_split_parallel_clauses,
14197 omp_clause_default_kind, c_omp_sharing_predetermined,
14198 c_omp_remap_decl): Declare.
14199 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14200 (OBJS-common): Add omp-low.o.
14201 (c-omp.o, omp-low.o): Add.
14202 (gimplify.o): Add dependency on $(OPTABS_H).
14203 (GTFILES): Add omp-low.c.
14204 (gt-stringpool.h): Add.
14205 * tree-cfg.c (set_bb_for_stmt): Do not update the
14206 block-to-labels map if we are currently expanding to RTL.
14207 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14209 Handle IDENTIFIER_NODE.
14210 (tree_verify_flow_info): Do not ICE when emitting error
14211 messages about invalid labels.
14212 (dump_function_to_file): Reset CFUN before emitting the body
14214 (debug_function): New.
14215 * passes.c (init_optimization_passes): Schedule
14217 * langhooks-def.h (lhd_omp_predetermined_sharing,
14218 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14220 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14221 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14222 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14223 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14224 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14225 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14226 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14227 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14228 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14229 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14230 (LANG_HOOK_DECLS): Use them.
14232 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14233 Richard Henderson <rth@redhat.com>
14234 Jakub Jelinek <jakub@redhat.com>
14235 Diego Novillo <dnovillo@redhat.com>
14237 * c-parser.c (pragma_omp_clause): Define.
14238 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14239 (c_parser_compound_statement): Likewise.
14240 (c_parser_statement): Likewise.
14241 (c_parser_pragma): Handle omp pragmas.
14242 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14243 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14244 (c_parser_omp_clause_name, check_no_duplicate_clause,
14245 c_parser_omp_variable_list,
14246 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14247 c_parser_omp_clause_copyprivate,
14248 c_parser_omp_clause_default,
14249 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14250 c_parser_omp_clause_lastprivate,
14251 c_parser_omp_clause_nowait,
14252 c_parser_omp_clause_num_threads,
14253 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14254 c_parser_omp_clause_reduction,
14255 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14256 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14257 c_parser_omp_atomic, c_parser_omp_barrier,
14258 c_parser_omp_critical, c_parser_omp_flush,
14259 c_parser_omp_for_loop, c_parser_omp_for,
14260 c_parser_omp_master, c_parser_omp_ordered,
14261 c_parser_omp_sections_scope, c_parser_omp_sections,
14262 c_parser_omp_parallel, c_parser_omp_single,
14263 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14264 * c-pragma.c (init_pragma): Do omp pragma registration here.
14265 * c.opt (fopenmp): New flag.
14267 2006-01-18 Eric Christopher <echristo@apple.com>
14269 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14270 * config/darwin.h (GOMP_SELF_SPECS): Define.
14272 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14274 * rtl.h: Remove the prototype for reg_alloc.
14276 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14279 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14280 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14281 sjlj and dwarf2 exception handling.
14282 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14283 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14284 * pa/pa.c (function_value): Treat complex and vector types as
14286 (function_arg): Likewise. Only pass scalar floats in the floating
14287 point argument registers.
14288 * pa/t-slibgcc-dwarf-ver: New file.
14289 * pa/t-slibgcc-sjlj-ver: New file.
14290 * pa/t-slibgcc-elf-ver: Delete file.
14292 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14294 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14295 unlikely_test_section_p test.
14297 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14299 * mode-switching.c (optimize_mode_switching): Make it static.
14300 * basic-block.h: Remove the prototype for
14301 optimize_mode_switching.
14303 * modulo-sched.c (sms_schedule): Make it static.
14304 * rtl.h: Remove the prototype for sms_schedule.
14306 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14307 * rtl.h: Remove the prototype for gcse_after_reload_main.
14309 * reg-stack.c (reg_to_stack): Make it static.
14310 * rtl.h: Remove the prototype for reg_to_stack.
14312 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14314 * rtl.h: Remove the prototypes for regrename_optimize and
14315 copyprop_hardreg_forward.
14317 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14319 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14320 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14321 Test against the appropriate null constant for the mode.
14322 If 'fixup_overlap' is true, swap the operands if they overlap.
14323 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14324 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14325 alpha_split_tmode_pair and adjust for above change.
14326 * config/alpha/alpha.md (movtf_internal): Adjust call to
14327 alpha_split_tfmode_pair and rely on it to swap the operands.
14328 (movti_internal): New insn and post-reload splitter.
14329 (movti): New expander.
14331 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14333 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14336 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14338 * rtlanal.c (global_reg_mentioned_p_1,
14339 global_reg_mentioned_p): Remove.
14340 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14342 * flow.c (initialize_uninitialized_subregs): Make it static.
14343 * rtl.h: Remove the prototype for
14344 initialize_uninitialized_subregs.
14346 * function.c (instantiate_virtual_regs): Make it static.
14347 * function.h: Remove the prototype for
14348 instantiate_virtual_regs.
14350 * regmove.c (regmove_optimize, combine_stack_adjustments):
14352 * rtl.h: Remove the prototypes for regmove_optimize and
14353 combine_stack_adjustments.
14355 2006-01-17 Roger Sayle <roger@eyesopen.com>
14357 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14358 (size_cost): Encode costs in bytes so that a reg-reg addition is
14359 equivalent to COSTS_N_INSNS(1).
14360 (override_options): Use the size_cost.branch_cost as the default
14361 ix86_branch_cost when optimizing for size.
14363 2006-01-18 Ben Elliston <bje@au.ibm.com>
14365 * Makefile.in (D32PBIT_FUNCS): New.
14366 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14367 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14368 D64PBIT_FUNCS and D128PBIT_FUNCS.
14369 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14370 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14372 (decnumber_dep): Define.
14373 * doc/libgcc.texi (Decimal float library routines): New node.
14374 * config/dfp-bit.h, config/dfp-bit.c: New files.
14376 2006-01-18 Ben Elliston <bje@au.ibm.com>
14378 * expr.c (emit_move_change_mode): Always adjust addresses, not
14379 just during reload. Copy replacements only during reload.
14380 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14381 emit_move_via_integer.
14383 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14385 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14386 instead of $(srcdir) and ${srcdir}.
14388 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14391 PR middle-end/11135
14392 * arm.h (struct machine_function): Add pic_reg.
14393 * arm.c (arm_pic_register): Make unsigned.
14394 (arm_override_options): Only set arm_pic_register if
14395 TARGET_SINGLE_PIC_BASE.
14396 (use_return_insn): Only test for a pic register if it is fixed.
14397 (arm_compute_save_reg0_reg12_mask): Likewise.
14398 (thumb_compute_save_reg_mask): Likewise.
14399 (legitimate_pic_operand): Factor out some known invariants.
14400 (legitimize_pic_address): If we don't have a fixed pic register,
14401 then set up a pseudo in the function entry sequence. Handle the
14402 pic base being in a pseudo.
14403 (arm_load_pic_register): Handle the pic register being in a pseudo.
14404 (arm_expand_prologue): Only set up the pic register if it is fixed.
14405 (thumb_expand_prologue): Likewise.
14406 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14407 (pic_load_addr_based_insn): Likewise.
14408 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14411 2006-01-18 Ben Elliston <bje@au.ibm.com>
14413 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14414 decimal float modes for all floating point registers.
14416 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14417 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14419 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14422 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14423 even when the pointer is not NULL.
14425 2006-01-16 Ian Lance Taylor <ian@airs.com>
14427 * common.opt (ftoplevel-reorder): New option.
14428 * cgraph.c (cgraph_asm_nodes): New global variable.
14429 (cgraph_asm_last_node): New static variable.
14430 (cgraph_order): New global variable.
14431 (cgraph_create_node): Set new order field.
14432 (cgraph_varpool_node): Likewise.
14433 (decide_is_variable_needed): Return true if not
14434 flag_toplevel_reorder.
14435 (cgraph_add_asm_node): New function.
14436 * cgraph.h (struct cgraph_node): Add order field.
14437 (struct cgraph_varpool_node): Add order field.
14438 (struct cgraph_asm_node): Define.
14439 (cgraph_asm_nodes, cgraph_order): Declare.
14440 (cgraph_add_asm_node): Declare.
14441 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14443 (cgraph_varpool_assemble_pending_decls): Call it.
14444 (cgraph_output_pending_asms): New static function.
14445 (cgraph_finalize_compilation_unit): Call it.
14446 (struct cgraph_order_sort): Define.
14447 (cgraph_output_in_order): New static function.
14448 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14449 !flag_toplevel_reorder case.
14450 * c-parser.c: Include "cgraph.h".
14451 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14453 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14454 than -fno-unit-at-a-time.
14455 * doc/invoke.texi (Option Summary): Mention
14456 -fno-toplevel-reorder.
14457 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14458 -funit-at-a-time documentation.
14460 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14461 Kazu Hirata <kazu@codesourcery.com>
14463 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14465 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14467 * Makefile.in (FUNCTION_H): New. Use it instead of
14468 function.h throughout the file.
14469 * function.h: Include tree.h.
14471 2006-01-17 Ben Elliston <bje@au.ibm.com>
14473 * recog.c: Separate some functions with whitespace.
14475 2006-01-16 Richard Henderson <rth@redhat.com>
14477 Merge from gomp branch:
14478 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14479 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14480 and rename from struct inline_data. Rename callee* to dst*;
14481 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14482 transform_new_cfg, transform_return_to_modify, and
14483 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14485 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14486 (copy_decl_for_dup): Remove.
14487 * tree-inline.c (struct inline_data): Move to header.
14488 (insert_decl_map): Export.
14489 (remap_decl): Update for member name changes. Use copy_decl hook.
14490 Allow for replacement to be a non-decl. Remove dead code.
14491 (remap_type_1): Check for existing mapping.
14492 (remap_type): Export.
14493 (remap_decls): Update for member name changes.
14494 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14495 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14496 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14497 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14498 (tree_function_versioning, build_duplicate_type): Likewise.
14499 (copy_body_r): Likewise. Export.
14500 (copy_decl_for_dup): Split into ...
14501 (copy_decl_for_dup_finish, copy_decl_to_var,
14502 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14503 (replace_ref_tree, inlining_p): Remove.
14505 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14507 * ifcvt.c (if_convert): Make it static.
14508 * rtl.h: Remove the prototype for if_convert.
14510 * local-alloc.c (local_alloc): Make it static.
14511 * rtl.h: Remove the prototype for local_alloc.
14513 * loop.c (loop_optimize): Make it static.
14514 * cfgloop.h: Remove the prototype for loop_optimize.
14517 2006-01-16 DJ Delorie <dj@redhat.com>
14519 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14522 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14524 * pa.md: Disparage copies between general and floating-point registers
14525 in 32-bit move patterns.
14527 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14530 * Makefile.in (check-%): Depend on site.exp instead of
14531 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14534 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14536 * global.c (global_alloc): Make it static.
14537 * rtl.h: Remove the prototype for global_alloc.
14539 2006-01-16 Richard Guenther <rguenther@suse.de>
14541 * tree-ssa-alias.c (struct used_part): Add write_only field.
14542 (get_or_create_used_part_for): Initialize it to true.
14543 (create_overlap_variables_for): Don't create structure variables
14544 for structures that only are written to.
14545 (find_used_portions): Handle MODIFY_EXPR to track whether a
14546 structure is only written to.
14548 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14550 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14552 * basic-block.h: Remove the prototype for
14553 partition_hot_cold_basic_blocks.
14555 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14557 * cppspec.c (lang_specific_spec_functions): Remove.
14558 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14559 * gcc.h (lang_specific_spec_functions): Remove.
14560 * gccspec.c (lang_specific_spec_functions): Remove.
14562 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14564 * combine.c (record_value_for_reg): Invalidate registers
14566 (record_dead_and_set_regs_1): Likewise, by passing them to
14567 record_value_for_reg.
14568 (record_dead_and_set_regs): Invalidate stores made by a
14569 call. We do not combine across a call, but we still
14570 relied on equivalences.
14572 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14574 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14575 vrp_int_const_binop returning non-constant nodes.
14577 2006-01-16 Paul Brook <paul@codesourcery.com>
14579 * config/m68k/m68k.c (output_move_const_into_data_reg):
14580 Output correct mnemonic for mvz and mvs.
14582 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14584 * rtl-factoring.c: Add sequence abstraction algorithm.
14585 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14586 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14588 (block_has_preserve_label): New function.
14589 * common.opt: Register new pass.
14590 * Makefile.in: Ditto.
14592 * timevar.def: Ditto.
14593 * tree-pass.h: Ditto.
14594 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14595 * rtl.h (make_jump_insn_raw): Add forward decl.
14596 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14598 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14599 Roger Sayle <roger@eyesopen.com>
14601 * fold-const.c (fold_minmax): New static function.
14602 (fold_binary) <MIN_EXPR>: Call it.
14603 <MAX_EXPR>: Likewise.
14604 * stor-layout.c (place_field): Use DECL_SIZE consistently
14605 in the computation of the new record size.
14607 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14609 * cse.c (cse_condition_code_reg): Make it static.
14610 * rtl.h: Remove the prototype for cse_condition_code_reg.
14612 * combine.c (combine_instructions): Make it static.
14613 * rtl.h: Remove the prototype for combine_instructions.
14615 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14618 * tree.c (get_file_function_name_long): Concatenate the first global
14619 object name with a string derived from the input filename of the object
14622 2006-01-16 Ben Elliston <bje@au.ibm.com>
14624 * config/i386/winnt-stubs.c: Update FSF address.
14625 * config/xtensa/ieee754-df.S: Ditto.
14626 * config/xtensa/ieee754-sf.S: Ditto.
14628 2006-01-14 Ian Lance Taylor <ian@airs.com>
14630 * ifcvt.c (noce_init_if_info): New static function, broken out of
14631 noce_process_if_block.
14632 (noce_process_if_block): Call noce_init_if_info.
14633 (check_cond_move_block): New static function.
14634 (cond_move_process_if_block): New static function.
14635 (process_if_block): Call cond_move_process_if_block.
14637 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14639 * cselib.c (hash_table): Rename to cselib_hash_table.
14640 (cselib_clear_table, discard_useless_values,
14641 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14642 cselib_init, cselib_finish): Adjust uses of hash_table.
14644 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14646 PR tree-optimization/25485
14647 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14648 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14649 is known to be false and true, respectively.
14651 2006-01-14 Richard Guenther <rguenther@suse.de>
14653 PR tree-optimization/22548
14654 PR tree-optimization/22555
14655 PR tree-optimization/22501
14656 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14657 * params.def (salias-max-array-elements): New parameter.
14658 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14659 * doc/invoke.texi (salias-max-array-elements): Document.
14660 * tree-flow-inline.h (var_can_have_subvars): We also handle
14662 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14664 * tree-ssa-structalias.c (params.h): Include.
14665 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14666 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14667 (get_constraint_for): For ADDR_EXPR operating on something
14668 containing an ARRAY_REF, add all subvars to the solution.
14669 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14670 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14671 for creating MUST_DEFs.
14672 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14674 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14676 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14678 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14679 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14680 number_of_iterations_le): New functions.
14681 (number_of_iterations_special): Removed.
14682 (number_of_iterations_exit): Do not use number_of_iterations_special.
14683 * tree.c (unsigned_type_for): Always return integer type.
14685 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14686 Richard Guenther <rguenther@suse.de>
14688 PR rtl-optimization/24257
14689 * gcse.c (find_moveable_store): Only consider a store movable
14690 when the SET_SRC of the insn can be assigned to a register.
14692 2006-01-14 Ian Lance Taylor <ian@airs.com>
14694 * tree.c (tree_not_class_check_failed): New function.
14695 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14696 (tree_not_class_check_failed): Declare.
14698 2006-01-13 Ian Lance Taylor <ian@airs.com>
14700 * reload1.c (do_output_reload): Add assertion rejecting a
14703 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14705 * combine.c (struct reg_stat): Add new fields truncation_label and
14707 (record_value_for_reg): Reset truncated_to_mode.
14708 (record_truncated_value): New function.
14709 (check_promoted_subreg): Call it. Rename to check_conversions.
14710 (combine_instructions): Rename check_promoted_subreg to
14712 (reg_truncated_to_mode): New function.
14713 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14714 (gen_lowpart_or_truncate): New function.
14715 (force_to_mode): Use it instead of gen_lowpart.
14717 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14719 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14720 VAR is a tag, not its type tag.
14722 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14724 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14725 alternatives to match style of other entries.
14726 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14728 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14730 PR tree-optimization/25771
14731 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14734 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14737 * tree-inline.c (declare_return_variable): If the return variable
14738 was marked as a non gimple complex, set the return slot variable
14739 to be a non gimple comple variable.
14741 2006-01-13 Richard Guenther <rguenther@suse.de>
14743 * builtins.c (expand_builtin_sincos): New function.
14744 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14746 (expand_builtin): Expand sincos using expand_builtin_sincos.
14748 2006-01-12 DJ Delorie <dj@redhat.com>
14750 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14751 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14752 so that constant shifts can be split.
14753 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14754 (m32c_valid_pointer_mode): Make static.
14755 (shift_gen_func_for): New.
14756 (m32c_prepare_shift): Use it. Split large const shifts into
14758 * config/m32c/predicates.md (shiftcount_operand): Allow more
14760 (longshiftcount_operand): New.
14761 * doc/md.texi (Machine Constraints): Document In6.
14763 2006-01-13 Ben Elliston <bje@au.ibm.com>
14765 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14766 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14769 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14771 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14772 to try to avoid clobbering pieces of structures when we know
14773 something about the whole structure.
14774 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14776 2006-01-13 Ben Elliston <bje@au.ibm.com>
14778 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14779 return in memory, as this is no limitation is no longer present.
14781 2006-01-12 DJ Delorie <dj@redhat.com>
14783 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14784 mova with fb, and for fb+0 -> An.
14786 * config/m32c/mov.md (peephole2): Fix enabling logic.
14788 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14789 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14790 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14791 FINI_ARRAY_SECTION_ASM_OP): Define.
14793 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14795 (m32c_legitimize_reload_address): New logic to reload FB to An.
14796 (m32c_output_reg_push): Add newline.
14797 (m32c_output_reg_pop): Likewise.
14799 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14801 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14803 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14805 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14807 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14809 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14812 2006-01-11 Ben Elliston <bje@au.ibm.com>
14814 * rtlanal.c (find_reg_note): Assert insn is not null.
14816 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14818 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14821 2006-01-11 Jeff Law <law@redhat.com>
14823 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14825 (mark_threaded_blocks, register_jump_thread): New functions.
14826 (thread_through_all_blocks): Remove unwanted argument. No
14827 longer rely on e->aux to communicate thread target info.
14828 Call mark_threaded_blocks. Release the threaded_blocks
14829 bitmap and threaded_edges vector when complete.
14830 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14831 (threaded_blocks): Remove.
14832 (tree_ssa_dominator_optimize): Remove initialization and
14833 finalization of threaded_blocks. Simplify call to
14834 thread_through_all_blocks.
14835 (thread_across_edge): Call register_jump_thread rather than
14836 storing thread information into e->aux.
14837 (free_all_edge_infos): Simplify now that e->aux is no longer
14838 used to communicate with thread_through_all_blocks.
14839 * tree-flow.h (thread_through_all_blocks): Update prototype.
14840 (register_jump_thread): Prototype.
14842 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14844 * df-core.c (df_compact_blocks, df_bb_replace): Use
14845 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14847 2006-01-11 Richard Guenther <rguenther@suse.de>
14849 PR tree-optimization/25734
14850 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14851 stop propagation after successful propagation to the LHS.
14853 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14855 * basic-block.h (control_flow_graph): Change the type of
14856 x_basic_block_info to VEC(basic_block,gc) *.
14857 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14859 (SET_BASIC_BLOCK): New.
14860 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14861 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14862 * cfgbuild.c (find_basic_blocks): Likewise.
14863 * cfglayout.c (fixup_reorder_chain): Likewise.
14864 * cfgrtl.c (create_basic_block_structure,
14865 rtl_create_basic_block): Likewise.
14866 * ifcvt.c (find_if_case_1): Likewise.
14867 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14870 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14872 * Makefile.in: Removed rotted odf.c entry.
14874 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14877 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14878 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14879 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14880 output pattern modifier, not %e.
14881 * config/cris/cris.c (cris_op_str): Update comment about pattern
14883 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14884 before falling through into...
14885 <case 'E'>: Redefined from old 'e' case.
14887 2006-01-11 Jan Hubicka <jh@suse.cz>
14890 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14892 2006-01-11 Jan Hubicka <jh@suse.cz>
14894 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14895 * i386.c (x86_decompose_lea): Kill.
14896 (ix86_rtx_costs): Kill.
14898 2006-01-11 Jan Hubicka <jh@suse.cz>
14900 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14901 * cgraph.h (cgraph_node): Add inline_decl.
14902 (cgraph_insert_node_to_hashtable): Declare.
14903 (save_inline_function_body): Declare.
14904 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14906 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14907 (cgraph_function_versioning): Update call of tree_function_versioning.
14908 (save_inline_function_body): New function.
14909 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14910 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14911 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14912 (cgraph_default_inline_p): Likewise.
14913 (cgraph_decide_inlining_incrementally): Likewise.
14914 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14915 (copy_bb): Kill saving; do updating of clones.
14916 (copy_cfg_body): Kill saving.
14917 (initialize_inlined-parameters): Likewise.
14918 (expand_call_inline): Likewise.
14920 (tree_function_versioning): New parameter "update_clones".
14921 (inlining_p): Kill saving.
14922 * tree-inline.h (tree_function_versioning): Update prototype.
14923 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14926 2006-01-11 Ian Lance Taylor <ian@airs.com>
14928 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14929 Allow undoing set of machine mode.
14930 (do_SUBST): Use enums instead of is_int.
14931 (do_SUBST_MODE): New function.
14932 (SUBST_MODE): New macro.
14933 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14934 reg and trying to replace reg_regno_rtx with a new register.
14935 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14936 (simplify_set): Use SUBST_MODE.
14937 (distribute_notes): Remove code that tried to update reg notes
14938 for regno_reg_rtx changes.
14940 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14942 PR tree-optimization/23109
14943 PR tree-optimization/23948
14944 PR tree-optimization/24123
14946 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14947 * tree-cfg.c (single_noncomplex_succ): New.
14948 * tree-flow.h (single_noncomplex_succ): Declare it.
14949 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14950 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14951 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14952 insert_bb, register_division_in, insert_reciprocals,
14953 replace_reciprocal, free_bb): New.
14954 (execute_cse_reciprocals_1): Rewritten.
14955 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14956 Do not commit any edge insertion. Always compute dominators and
14957 create the allocation pool.
14958 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14959 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14960 * targhooks.c (default_min_divistions_for_recip_mul): New.
14961 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14962 * passes.c (init_optimization_passes): Run recip after tree loop
14964 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14966 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14967 Kenneth Zadeck <zadeck@naturalbridge.com>
14969 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14970 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14971 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14972 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14973 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14974 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14975 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14976 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14977 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14978 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14979 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14980 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14981 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14982 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14983 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14984 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14985 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14986 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14987 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14988 DF_SCAN_POST_ALLOC): New macros.
14989 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14990 df_free_bb_function, df_local_compute_function, df_init_function,
14991 df_dataflow_function, df_confluence_function_0,
14992 df_confluence_function_n, df_transfer_function,
14993 df_finalizer_function, df_free_function, df_dump_problem_function,
14994 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14995 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14996 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14997 df_urec_bb_info, ) New types.
14998 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15000 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15001 df_analyze_simple_change_some_blocks,
15002 df_analyze_simple_change_one_block, df_compact_blocks,
15003 df_bb_replace, df_bb_regno_last_use_find,
15004 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15005 df_insn_regno_def_p, df_find_def, df_find_use,
15006 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15007 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15008 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15009 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15010 debug_df_chain, df_get_dependent_problem, df_chain_create,
15011 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15012 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15013 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15014 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15015 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15016 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15017 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15018 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15019 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15020 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15021 df_reorganize_refs, df_set_state, df_hard_reg_init,
15022 df_read_modify_subreg_p) New public functions.
15023 * df-core.c: The core dataflow solver and glue routines for rtl
15025 (df_init, df_add_problem, df_set_blocks, df_finish,
15026 df_hybrid_search_forward, df_hybrid_search_backward,
15027 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15028 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15029 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15030 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15031 df_reg_defined, df_find_use, df_reg_used, df_dump,
15032 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15033 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15034 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15035 debug_df_useno, reset_df_after_reload): New functions.
15036 * df-scan.c: The scanning fuctions, once in df.c, completely
15037 rewritten so that they now fully model the functionality of
15038 register usage at the backend.
15039 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15040 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15041 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15042 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15043 df_get_artificial_defs, df_get_artificial_uses,
15044 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15045 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15046 df_refs_delete, df_reorganize_refs, df_set_state,
15047 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15048 df_def_record_1, df_defs_record, df_uses_record,
15049 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15050 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15051 df_record_exit_block_uses, df_hard_reg_init): New functions.
15053 * df-problems.c: Seven concrete dataflow problems that use the
15054 scanning in df-scan.c and are solved by the engine in df-core.c.
15055 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15056 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15057 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15058 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15059 df_ru_free_bb_info, df_ru_alloc,
15060 df_ru_bb_local_compute_process_def,
15061 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15062 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15063 df_ru_transfer_function, df_ru_free, df_ru_dump,
15064 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15065 df_rd_free_bb_info, df_rd_alloc,
15066 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15067 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15068 df_rd_transfer_function, df_rd_free, df_rd_dump,
15069 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15070 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15071 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15072 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15073 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15074 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15075 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15076 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15077 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15078 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15079 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15080 df_urec_mark_reg_use_for_earlyclobber,
15081 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15082 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15083 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15084 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15085 df_chain_create_bb_process_use, df_chain_create_bb,
15086 df_chain_finalize, df_chain_free, df_chains_dump,
15087 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15088 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15089 df_reg_lifetime): New functions.
15090 * df.c: Deleted file.
15091 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15092 consistent with new df api.
15093 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15094 rest_of_handle_sms): Ditto.
15095 * web.c (unionfind_union, union_defs, entry_register, web_main):
15097 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15098 invariant_expr_equal_p, find_defs, check_dependencies,
15099 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15100 free_inv_motion_data, move_loop_invariants): Ditto.
15101 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15102 Update dependencies.
15103 (odf.c): Added defective entry that was deleted later in day.
15104 * sched-deps.c (sched_analyze_1): Ditto.
15106 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15108 * tree-ssa-operands.c (get_expr_operands): Record addressable
15109 variables directly. Do not call add_stmt_operands for CONST_DECLs
15111 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15112 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15114 2006-01-11 Ben Elliston <bje@au.ibm.com>
15116 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15117 function returns true in the positive case.
15119 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15122 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15123 for SI, DI, SF and DF modes. Add alternatives to copy between
15124 general and floating point registers to the 32-bit patterns.
15125 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15126 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15127 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15128 generating 64-bit code.
15129 * config/pa/pa.c (output_move_double): Handle copies between general
15130 and floating registers.
15132 2006-01-10 Stuart Hastings <stuart@apple.com>
15134 * config/i386/i386.md (set_got): Update.
15135 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15136 (builtin_setjmp_receiver): Mach-O support.
15137 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15138 (GOT_SYMBOL_NAME): Define.
15139 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15140 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15141 * config/i386/i386.c (override_options): Revise for Darwin.
15142 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15143 support. (darwin_x86_file_end): New. (output_set_got): Add label
15144 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15145 * config/i386/i386-protos.h (output_set_got): Likewise.
15146 * config/darwin.c (machopic_legitimize_pic_address): Update
15149 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15151 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15152 when MODE isn't BLKmode.
15154 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15156 PR rtl-optimization/25367
15157 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15159 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15162 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15163 for a negative bound.
15165 2006-01-10 Richard Guenther <rguenther@suse.de>
15167 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15168 Never override with anything constraint.
15170 2006-01-10 Jan Beulich <jbeulich@novell.com>
15172 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15173 256 bits when optimize_size.
15175 2006-01-10 Jan Beulich <jbeulich@novell.com>
15177 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15179 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15180 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15183 2006-01-10 Ben Elliston <bje@au.ibm.com>
15185 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15187 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15188 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15189 (USE_FP_FOR_ARG): Reject decimal float modes.
15190 (function_arg_advance): Likewise.
15191 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15192 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15193 point types in AltiVec vectors.
15194 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15195 (rs6000_libcall_value): Likewise.
15197 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15199 * config/xtensa/ieee754-df.S: New file.
15200 * config/xtensa/ieee754-sf.S: New file.
15201 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15202 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15203 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15205 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15207 * config/sh/predicates.md (binary_float_operator,
15208 binary_logical_operator, commutative_float_operator,
15209 equality_comparison_operator, greater_comparison_operator,
15210 less_comparison_operator, logical_operator,
15211 noncommutative_float_operator, shift_operator,
15212 symbol_ref_operand, unary_float_operator): Remove redundant
15215 2006-01-09 Jeff Law <law@redhat.com>
15217 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15218 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15219 now unused arguments. Callers updated.
15220 (eliminate_redundant_computations): Remove now unused arguments,
15222 (local_fold): Remove, no longer used.
15223 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15225 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15226 (simplify_cond): New function.
15227 (forward_propagate_into_cond): Call simplify_cond.
15229 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15231 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15232 (*vec_extractv2di_1_sse): New.
15234 2006-01-09 Ben Elliston <bje@au.ibm.com>
15236 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15238 2006-01-08 Richard Guenther <rguenther@suse.de>
15240 * tree-ssa-structalias.c (get_constraint_for): Remove
15241 anyoffset argument.
15242 (get_constraint_for_component_ref): Likewise.
15243 (do_deref): Likewise.
15244 (get_constraint_for): Likewise.
15245 (do_structure_copy): Likewise.
15246 (handle_ptr_arith): Likewise.
15247 (find_func_aliases): Likewise. Remove unused need_anyoffset
15250 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15251 Kaz Kojima <kkojima@gcc.gnu.org>
15253 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15254 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15255 (EXTRA_CONSTRAINT_C16): Remove.
15256 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15257 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15258 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15259 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15260 constants of SHmedia. Handle nested constant expressions of
15262 (andcosts): Fix the costs for SHmedia constants.
15263 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15264 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15265 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15266 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15267 (movv4hi_i, movv2si_i): Likewise.
15268 (movsi_const): Adjust the second operand of ior so to match with
15269 the Csu constraint.
15270 (movdi_const, movdi_const_32bit): Likewise.
15271 (movdi_const_16bit+1): Don't sign-extend LOW.
15272 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15274 (*double_shori): Fix the split condition. Use GEN_INT instead
15275 of get_int_mode calls. Mask lower 16-bit of the argument of
15277 (sym2GOTPLT): Remove.
15278 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15280 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15281 instead of EXTRA_CONSTRAINT_C16.
15283 2006-01-07 Ian Lance Taylor <ian@airs.com>
15284 David Edelsohn <edelsohn@gnu.org>
15286 PR rtl-optimization/25662
15287 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15288 for constant operands instead of simplify_gen_binary.
15289 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15290 after trying simplify_binary_operation
15292 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15294 * tree.c (iterative_hash_expr): Hash decls based on UID.
15296 2006-01-06 Eric Christopher <echristo@apple.com>
15298 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15299 (TARGET_UNWIND_EMIT): Fix spelling.
15300 * target.h (gcc_target): Add except_table_label.
15301 * except.c (output_function_exception_table): Use.
15302 * varasm.c (default_emit_except_table_label): New.
15303 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15305 (asm_out): Add here.
15306 * output.h (default_emit_except_table_label): Prototype.
15307 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15308 * config/darwin.c (darwin_emit_except_table_label): Define.
15309 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15311 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15313 PR tree-optimization/18527
15314 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15315 number_of_iterations_special, number_of_iterations_exit):
15316 Move base and step of an iv to a single structure. Add
15317 no_overflow flag, and use it in # of iterations analysis.
15318 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15319 folded_casts argument.
15320 (simple_iv): Pass base and step in a structure. Set no_overflow
15322 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15323 Evaluate expensiveness of computing # of iterations instead of
15324 the final expression.
15325 * tree-scalar-evolution.h (affine_iv): New structure.
15326 (simple_iv): Declaration changed.
15327 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15328 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15329 find_givs_in_stmt): Changed due to simple_iv change.
15331 2006-01-06 Jeff Law <law@redhat.com>
15334 * tree-cfg.c (bsi_replace): Rename final argument from
15335 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15336 change (stmt -> orig_stmt).
15337 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15338 (bsi_remove): Add new argument. Remove EH information
15340 (verify_eh_throw_table_statements): New function.
15341 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15343 * tree-optimize.c (execute_free_cfg_annotations): Verify
15344 the EH throw statement table after removing annotations.
15345 * except.h (verify_eh_throw_table_statements): Prototype.
15346 * tree-flow.h (bsi_remove): Update prototype.
15347 * tree-vrp.c (remove_range_assertions): Add new argument to
15349 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15350 * tree-complex.c (expand_complex_div_wide): Likewise.
15351 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15352 * tree-tailcall.c (eliminate_tailcall): Likewise.
15353 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15354 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15355 * tree-nrv.c (tree_nrv): Likewise.
15356 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15357 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15358 (combine_blocks): Likewise.
15359 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15360 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15361 (cleanup_control_flow): Likewise.
15362 (remove_forwarder_block): Likewise.
15363 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15364 * tree-sra.c (sra_replace): Likewise.
15365 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15366 (forward_propagate_single_use_vars): Likewise.
15367 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15368 * tree-inline.c (expand_call_inline): Likewise.
15369 * tree-vect-transform.c (vect_transform_loop): Likewise.
15370 * tree-outof-ssa.c (rewrite_trees): Likewise.
15371 * tree-cfg.c (make_goto_expr_edges): Likewise.
15372 (cleanup_dead_labels): Likewise.
15373 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15374 (bsi_move_before, bsi_move_after): Likewise.
15375 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15376 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15378 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15381 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15383 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15384 on non gimple variables. Also add checks at the top for decls and
15386 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15388 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15389 and IMAGPART_EXPR for creating MUST_DEFs.
15390 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15391 and NAME_MEMORY_TAG separately from the DECLs.
15393 2006-01-06 Richard Guenther <rguenther@suse.de>
15395 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15396 annotation, if necessary.
15397 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15398 redundant calls to update_stmt.
15399 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15402 2006-01-05 Richard Henderson <rth@redhat.com>
15404 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15406 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15408 * c-typeck.c: Update copyright date.
15410 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15412 * c-typeck.c (build_c_cast): Always warn when casting
15413 from a pointer to an integer of different size, even if
15414 the node was constant.
15416 2006-01-05 Richard Guenther <rguenther@suse.de>
15418 PR tree-optimization/22555
15419 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15420 if one structure field is an array.
15421 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15422 operands even if we found a subvar, but ignore VOPs in this
15424 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15426 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15428 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15430 PR middle-end/24998
15431 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15433 2006-01-05 Richard Guenther <rguenther@suse.de>
15434 Diego Novillo <dnovillo@redhat.com>
15436 * tree-pass.h (TODO_remove_unused_locals): Define.
15437 * gimple-low.c (expand_var_p, remove_useless_vars,
15438 pass_remove_useless_vars): Remove. Update all users.
15439 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15440 (remove_unused_locals): New function.
15441 * tree-flow.h (remove_unused_locals): Declare.
15442 * passes.c (execute_todo): Call remove_unused_locals if
15443 TODO_remove_unused_locals is set.
15444 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15445 * tree-ssa-dce.c (pass_dce): Likewise.
15446 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15448 2006-01-05 Richard Guenther <rguenther@suse.de>
15450 * tree-flow.h (struct fieldoff): Decompose field to
15451 type, size and decl.
15452 * tree-ssa-alias.c (create_sft): Take type as parameter.
15453 (create_overlap_variables_for): Store type, size and decl
15454 in the fieldoff structure.
15455 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15456 of struct fieldoff.
15457 (push_fields_onto_fieldstack): Likewise.
15458 (create_variable_info_for): Likewise. Use offset for the
15459 SFT name if the decl is not available.
15461 2006-01-04 Paul Brook <paul@codesourcery.com>
15463 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15465 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15467 * lambda-code.c (can_put_in_inner_loop): Relax
15469 (can_put_after_inner_loop): New function.
15470 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15471 (perfect_nestify): Change to make copies and modify uses.
15473 2006-01-04 Richard Henderson <rth@redhat.com>
15475 Merge from gomp branch:
15476 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15477 via integer constant.
15478 (pragma_lex): Remove.
15479 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15480 rather than parsing it.
15481 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15482 handle_pragma_extern_prefix): Add %< %> quotes.
15483 (registered_pragmas): New.
15484 (c_register_pragma_1): New.
15485 (c_register_pragma): Use it.
15486 (c_register_pragma_with_expansion): Likewise.
15487 (c_invoke_pragma_handler): New.
15488 (init_pragma): Use cpp_register_deferred_pragma directly for
15490 * c-pragma.h (enum pragma_kind): New.
15491 (pragma_handler): New.
15492 (c_invoke_pragma_handler): Declare.
15493 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15495 * c-common.h (c_common_pch_pragma): Update decl.
15496 * Makefile.in (c-parser.o): Update dependencies.
15497 (GTFILES): Add c-pragma.h.
15498 * c-parser.c (struct c_token): Add pragma_kind.
15499 (struct c_parser): Add in_pragma.
15500 (c_lex_one_token): Always initialize keyword and pragma_kind.
15501 Extract data for CPP_PRAGMA.
15502 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15503 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15504 Don't allow CPP_PRAGMA_EOL if in_pragma.
15505 (c_parser_consume_pragma): New.
15506 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15507 (c_parser_skip_to_end_of_parameter): Likewise.
15508 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15509 (c_parser_skip_to_pragma_eol): New.
15510 (c_parser_external_declaration): Handle CPP_PRAGMA.
15511 (c_parser_compound_statement_nostart): Likewise.
15512 (c_parser_statement_after_labels): Likewise.
15513 (c_parser_pragma): New.
15514 (pragma_lex): Likewise.
15515 (c_parser_pragma_pch_preprocess): New.
15516 (c_parser_new): Merge into ...
15517 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15519 2006-01-04 Jeff Law <law@redhat.com>
15522 * tree-cfg.c (bsi_replace): Remove the original statement
15523 from the EH throw statement table.
15525 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15527 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15528 make the prototype extern "C" and add throw ().
15531 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15532 and pos non-negative and pos + len <= 32.
15533 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15534 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15535 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15538 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15539 as well as sizes not multiple of component size.
15542 * function.c (instantiate_expr): New function.
15543 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15544 walk its DECL_VALUE_EXPR with instantiate_expr.
15546 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15547 DW_OP_deref{,_size} if address isn't going to be added.
15549 2006-01-04 Ben Elliston <bje@au.ibm.com>
15551 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15552 * config/fp-bit.c: Likewise.
15554 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15556 * dominance.c: Add comment about why we use DFS numbering
15559 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15560 Richard Henderson <rth@redhat.com>
15562 Merge from gomp-branch:
15563 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15564 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15566 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15568 PR rtl-optimization/25578
15569 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15570 pass a parameter to simplify_shift_const if changing ASHIFTRT
15573 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15575 * builtins.c (get_builtin_sync_mem): New function.
15576 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15577 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15578 Call get_builtin_sync_mem to generate mem rtx.
15580 2006-01-03 Richard Guenther <rguenther@suse.de>
15583 * stmt.c (add_case_node): Make sure to clear overflow flags
15586 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15588 Merge from gomp-branch.
15589 * config/sparc/sync.md: New file.
15590 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15591 UNSPECV_LDSTUB): New constants.
15592 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15593 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15594 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15597 2006-01-03 Roger Sayle <roger@eyesopen.com>
15599 * combine.c (reg_subword_p): New predicate to test whether the
15600 destination of a set refers to a subword/piece of a register.
15601 (try_combine): Generalize the code to merge the setting of a
15602 pseudo to a constant followed by a set of a subword of that
15603 register to a constant.
15605 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15607 * basic-block.h (control_flow_graph): Change the type of
15608 x_label_to_block_map to VEC(basic_block,gc) *.
15609 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15610 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15612 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15613 VEC(basic_block,heap) *.
15614 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15615 ssa_prop_fini): Adjust the uses of cfg_blocks.
15617 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15619 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15621 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15622 hashing trees instead of a pointer hash.
15623 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15624 compare for MEM_EXPR.
15626 PR rtl-optimization/25130
15627 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15628 when comparing MEMs for GCSE
15630 2006-01-03 Ben Elliston <bje@au.ibm.com>
15632 * targhooks.h (default_decimal_float_supported_p): Declare.
15633 * targhooks.c (default_decimal_float_supported_p): Define.
15634 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15635 `default_decimal_float_supported_p'.
15636 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15638 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15640 * combine.c (apply_distributive_law <SUBREG>): Check
15641 TRULY_NOOP_TRUNCATION.
15643 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15645 * dwarf2out.c (have_switched_text_section): Delete.
15646 (have_multiple_function_sections): New.
15647 (have_location_lists): Make 'bool'.
15648 (add_AT_loc_list): Use 'true' not '1'.
15649 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15650 (output_loc_list): Use have_multiple_function_sections.
15651 (output_ranges): Likewise.
15652 (dwarf2out_begin_function): Set have_multiple_function_sections if
15654 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15655 Check function_section rather than DECL_SECTION_NAME.
15656 (dwarf2out_finish): Use have_multiple_function_sections.
15657 Don't clear have_location_lists.
15659 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15660 Jan Hubicka <jh@suse.cz>
15662 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15663 case of conditional jump jumping to the next instruction.
15664 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15665 cases of conditional jump jumping to the next instruction.
15667 2006-01-02 Jan Hubicka <jh@suse.cz>
15669 * i386.c (*_cost): Add COSTS_N_INSNS.
15670 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15672 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15675 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15677 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15679 * config/arm/arm.c (all_fpus): Fix comment typo.
15680 * config/darwin.c: Likewise.
15681 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15682 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15683 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15685 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15687 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15688 (rs6000_split_compare_and_swapqhi): New.
15689 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15690 (sync_compare_and_swapqhi_internal): New.
15691 * config/rs6000/rs6000-protos.h: Declare.