1 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
6 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
8 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
9 alignment supported by 32-bit ELF.
11 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
15 * c-typeck.c (digest_init): Always allow initializing vectors
16 that have static storage duration with compound literals.
17 * tree.c (build_type_attribute_qual_variant): New, based on
18 build_type_attribute_variant.
19 (build_type_attribute_variant): Rewrite using the former.
20 (make_vector_type): Use build_type_attribute_qual_variant to build
21 type variants. Use type_hash_canon on the others.
23 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
24 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
26 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
28 2006-10-12 Jan Hubicka <jh@suse.cz>
31 * c-decl.c (c_make_fname_decl): Do not segfault in case where
32 current_function_decl is set but current_function_scope is not.
34 2006-10-12 Jie Zhang <jie.zhang@analog.com>
36 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
37 emit_insn to emit eh_return_internal instruction.
38 (eh_return_internal): Explicitly set pc.
40 2006-10-11 Richard Guenther <rguenther@suse.de>
42 PR tree-optimization/28230
43 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
46 2006-10-11 Richard Guenther <rguenther@suse.de>
49 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
52 2006-10-10 Brooks Moses <bmoses@stanford.edu>
54 * configure.ac: Added pdf to "Make-hooks"
55 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
56 targets and *.pdf file patterns in cleanup targets.
57 * configure: Regenerated.
59 2006-10-10 Anatoly Sokolov <aesok@post.ru>
61 * config/avr/predicates.md: New file.
62 * config/avr/avr.md: Include it.
63 (REG_SP): New constant.
64 (peepholes): Use predicates.
65 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
66 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
67 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
69 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
71 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
74 2006-10-10 Jakub Jelinek <jakub@redhat.com>
77 * builtins.c (var_decl_component_p): New function.
78 (fold_builtin_memset, fold_builtin_memory_op): Restrict
79 single entry optimization to variables and components thereof.
81 2006-10-10 Richard Guenther <rguenther@suse.de>
83 PR rtl-optimization/29323
84 * except.c (set_nothrow_function_flags): For functions
85 that do not bind local bail out early.
87 2006-10-10 Ben Elliston <bje@au.ibm.com>
89 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
92 2006-10-09 Richard Henderson <rth@redhat.com>
96 2006-10-09 Richard Guenther <rguenther@suse.de>
99 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
102 2006-10-09 Steve Ellcey <sje@cup.hp.com>
105 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
106 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
107 * configure: Regenerate.
108 * config.in: Regenerate.
110 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
112 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
114 2006-10-08 Richard Sandiford <richard@codesourcery.com>
116 * config/mips/mips.c (mips_legitimize_tls_address): Implement
117 all TLS models in the same way as local exec if !TARGET_ABICALLS.
118 Remove stray newline.
120 2006-10-08 Richard Sandiford <richard@codesourcery.com>
122 * config/mips/mips.c (mips_classify_symbol): Do not return
123 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
124 (mips_in_small_data_p): Tweak comments.
126 2006-10-08 Richard Sandiford <richard@codesourcery.com>
128 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
130 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
132 * gimplify.c, sched-int.h: Fix comment typos.
134 * sched-int.h: Fix comment typos.
136 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
138 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
140 * sched-ebb.c (begin_schedule_ready): Use them.
141 * haifa-sched.c (schedule_insn, move_insn, try_ready,
142 add_to_speculative_block, create_check_block_twin, speculate_insn,
143 fix_jump_move, move_block_after_check): Ditto.
144 * sched-rgn.c (new_ready): Ditto.
146 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
148 PR rtl-optimization/29128
149 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
150 * sched-ebb.c (advance_target_bb): Use it to fix condition to
151 allow interblock movement of speculation checks.
153 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
156 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
157 casted to integer type.
158 (get_address_cost): Decrease cost of [symbol + index] addressing modes
159 if they are significantly more expensive than [reg + index] ones.
161 2006-10-06 Jakub Jelinek <jakub@redhat.com>
163 PR tree-optimization/29330
164 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
165 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
166 on newly allocated ddrs.
167 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
168 to VEC (loop_p, heap) pointer.
169 (compute_data_dependences_for_loop): Adjust caller.
170 (free_dependence_relations): Free DDR_LOOP_NEST.
172 * tree-loop-linear.c (linear_transform_loops): Don't forget to
173 free DEPENDENCE_RELATIONS and DATAREFS.
176 * builtins.c (expand_builtin_sync_operation,
177 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
178 Use convert_to_mode to handle promoted arguments.
180 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
182 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
184 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
186 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
188 2006-10-05 Uros Bizjak <uros@kss-loka.si>
190 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
191 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
192 Use <modeconstraint> instead of "r" as operand 1 constraint.
194 2006-10-06 Olivier Hainque <hainque@adacore.com>
196 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
197 Don't recurse on the pointed-to type.
198 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
199 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
200 types with components of variable size.
202 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
204 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
206 2006-10-06 Jakub Jelinek <jakub@redhat.com>
208 PR tree-optimization/29290
209 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
213 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
214 * config/i386/predicates.md (local_symbolic_operand): Likewise.
217 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
218 the number of vector elements fill the rest with zeros.
220 2006-10-05 Richard Sandiford <richard@codesourcery.com>
222 * config/mips/mips.c (mips_pass_by_reference): Do not return false
223 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
226 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
228 * config/bfin/bfin.md (subsi3): Lose expander, change previously
229 unnamed pattern into subsi3. Use correct constraints/predicates.
230 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
231 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
233 2006-10-05 Ira Rosen <irar@il.ibm.com>
235 * doc/loop.texi: Add data references analysis description.
237 2006-10-04 Brooks Moses <bmoses@stanford.edu>
239 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
241 2006-10-04 Richard Henderson <rth@redhat.com>
242 Jakub Jelinek <jakub@redhat.com>
244 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
245 * builtin-types.def (BT_WORD): Make unsigned.
246 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
247 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
248 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
249 * c-decl.c (grokdeclarator): Don't error if !have_tls.
250 * c-parser.c (c_parser_omp_threadprivate): Likewise.
251 * cgraph.c (decide_is_variable_needed): Look at force_output.
252 Recurse for emulated tls.
253 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
254 checks redundant with decide_is_variable_needed.
255 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
256 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
258 * expr.c (emutls_var_address): New.
259 (expand_expr_real_1): Expand emulated tls.
260 (expand_expr_addr_expr_1): Likewise.
261 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
262 * output.h (emutls_finish): Declare.
263 * toplev.c (compile_file): Call it.
264 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
265 address before wrapping in CONST.
266 * varasm.c (emutls_htab, emutls_object_type): New.
267 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
268 (get_emutls_object_name, get_emutls_object_type): New.
269 (get_emutls_init_templ_addr, emutls_decl): New.
270 (emutls_common_1, emutls_finish): New.
271 (assemble_variable): When emulating tls, swap decls; generate
272 constructor for the emutls objects.
273 (do_assemble_alias): When emulating tls, swap decl and target name.
274 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
276 * emutls.c: New file.
277 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
278 tls_object for real tls.
280 2006-10-04 Zack Weinberg <zackw@panix.com>
282 Fix bug in constraint-check generator, reported by Rask Ingemann
284 * genpreds.c (add_constraint): Don't remove anything from the
286 (write_tm_constrs_h): Detect whether "op" argument is used, and
287 mark it ARG_UNUSED if it isn't.
288 (write_insn_const_int_ok_for_constraint): Skip the part of the
289 expression that would test whether "op" (which is not available
290 here) is a CONST_INT.
292 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
295 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
297 2006-10-03 Geoffrey Keating <geoffk@apple.com>
299 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
300 current Leopard versions.
301 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
303 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
305 * doc/install.texi: Fix typos.
307 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
309 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
310 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
311 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
313 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
315 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
316 arg to be struct mach_header_64* instead.
318 2006-10-02 Jakub Jelinek <jakub@redhat.com>
321 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
322 side effects after the outer expression's post side effects.
324 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
326 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
327 comments to reflect actual behavior and relationship between
328 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
330 * doc/c-tree.texi (Working with declarations): Fix documentation
331 of FIELD_DECL likewise.
333 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
336 * doc/extend.texi: Add used variable attribute description.
338 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
341 * c.opt (Woverride-init): New.
342 * c-opts.c (c_common_post_options): Default warn_override_init to
344 * c-typeck.c (add_pending_init, output_init_element): Warn for
345 overriding initializers without side effects.
346 * doc/invoke.texi (-Woverride-init): Document.
349 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
351 PR rtl-optimization/28096
352 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
353 assignment has already been used as a destination earlier in the block.
355 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
357 * builtins.c (expand_builtin_setjmp): Delete.
358 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
359 <BUILT_IN_SETJMP_SETUP>: New case.
360 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
361 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
362 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
363 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
364 (BUILT_IN_SETJMP_RECEIVER): Likewise.
365 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
366 (lower_function_body): Initialize it to false. If it is set to true
367 at the end of the processing, emit the setjmp dispatcher.
368 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
369 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
370 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
371 on the rhs of the assignment.
372 (lower_builtin_setjmp): New function.
373 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
374 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
375 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
376 to detect calls that can go to non-local labels. Use specific
377 helper to create the abnormal edges associated with them.
378 <MODIFY_EXPR>: Likewise.
379 (make_abnormal_goto_edges): New function extracted from...
380 (make_goto_expr_edges): ...here. Call it for computed gotos.
381 (simple_goto_p): Minor tweak.
382 (tree_can_make_abnormal_goto): New predicate.
383 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
384 (tree_purge_dead_abnormal_call_edges): New function.
385 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
386 (tree_purge_dead_abnormal_call_edges): Likewise.
387 (make_abnormal_goto_edges): Likewise.
388 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
389 Purge all dead abnormal edges if the call was in the last statement.
390 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
391 (execute_fixup_cfg): If there are non-local labels in the function,
392 scan the basic blocks and split them at calls that can go to non-local
393 labels or add missing abnormal call edges. Write down the CFG in the
395 (pass_fixup_cfg): Remove TODO_dump_func flag.
396 * unwind-sjlj.c: Poison setjmp.
397 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
398 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
399 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
400 (DONT_USE_BUILTIN_SETJMP): Document it.
402 2006-09-28 Geoffrey Keating <geoffk@apple.com>
405 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
406 to 1 when __ppc64__ is defined.
407 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
409 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
411 2006-09-28 Steve Ellcey <sje@cup.hp.com>
413 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
414 * config/ia64/unwind-hpux.c: Delete.
416 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
418 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
419 on the element before gimplifying it, instead of punting if it is of
422 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
424 * doc/loop.texi: New file.
425 * doc/gccint.texi: Reference loop.texi.
426 * Makefile.in (loop.texi): Add.
428 2006-09-27 Geoffrey Keating <geoffk@apple.com>
430 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
432 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
433 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
435 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
437 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
439 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
441 * doc/install.texi: Document required versions of GMP and MPFR.
443 2006-09-27 Paul Brook <paul@codesourcery.com>
446 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
448 2006-09-27 Richard Sandiford <richard@codesourcery.com>
450 * reload1.c (alter_reg): Require the alignment of the stack slot to
451 be at least reg_max_ref_width bytes.
452 (scan_paradoxical_subregs): Record the largest width in
455 2006-09-26 Jakub Jelinek <jakub@redhat.com>
459 * tree-nested.c (struct nesting_info): Added static_chain_added.
460 (convert_call_expr): Set static_chain_added when adding static
461 chain. Handle OMP_PARALLEL and OMP_SECTION.
463 2006-09-25 Matthias Klose <doko@debian.org>
465 * doc/invoke.texi: Add missing full stop.
467 2006-09-25 Richard Henderson <rth@redhat.com>
469 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
470 before cgraph_function_flags_ready.
472 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
473 Adam Nemet <anemet@caviumnetworks.com>
475 * tree-ssa-loop-ivopts.c (aff_combination_convert,
476 determine_common_wider_type): New functions.
477 (get_computation_aff): Use them to simplify arithmetic between
478 UBASE and CBASE if they are shortened from the same type.
480 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
483 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
484 -2147483647 - 1 instead of 0x80000000.
486 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
488 * flags.h (HONOR_NANS): Fix typo in comment.
490 2006-09-23 Uros Bizjak <uros@kss-loka.si>
492 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
494 2006-09-23 Jakub Jelinek <jakub@redhat.com>
498 * tree.c (merge_attributes, attribute_list_contained): If both
499 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
501 * c-typeck.c (comptypes_internal): Don't consider aggregates
502 in different TUs as compatible if there one set of attributes is
503 not a subset of the other type's attributes.
504 (composite_type): Try harder not to create a new aggregate type.
506 2006-09-22 Geoffrey Keating <geoffk@apple.com>
508 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
509 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
510 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
511 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
512 than replicating condition above.
513 * config.host (i[34567]86-*-*): Always use driver-i386.o.
515 * config/darwin.h (LINK_SYSROOT_SPEC): New.
516 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
517 the linker by default.
519 2006-09-22 Mike Stump <mrs@apple.com>
521 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
524 2006-09-22 Richard Guenther <rguenther@suse.de>
527 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
528 sort of stack variables stable.
530 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
533 * explow.c (force_reg): Set REG_POINTER flag according to
536 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
538 PR tree-optimization/28888
539 * tree-if-conv.c (combine_blocks): Rewritten.
540 * tree-cfg.c (tree_verify_flow_info): Check that edges with
541 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
543 2006-09-22 Jakub Jelinek <jakub@redhat.com>
545 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
548 2006-09-21 Richard Sandiford <richard@codesourcery.com>
550 * varasm.c (copy_constant): Fix reversed gcc_assert check.
552 2006-09-21 Janis Johnson <janis187@us.ibm.com>
554 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
556 2006-09-21 Roger Sayle <roger@eyesopen.com>
559 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
560 dw_fde_current_label, to be the start of the function, i.e. the same
561 value as dw_fde_begin.
563 2006-09-20 Richard Sandiford <richard@codesourcery.com>
565 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
566 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
567 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
568 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
569 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
570 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
571 (abs<mode>2, neg<mode>2): Likewise.
572 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
573 (*mips_abs_ps): New define_insn.
575 2006-09-20 Josh Conner <jconner@apple.com>
578 * calls.c (expand_call): Allow reuse of structure return stack
581 2006-09-20 Paul Brook <paul@codesourcery.com>
583 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
586 2006-09-20 Janis Johnson <janis187@us.ibm.com>
588 * doc/extend.texi (Decimal Float): Update for latest draft TR,
589 clean up terminology.
591 2006-09-20 Steve Ellcey <sje@cup.hp.com>
594 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
595 with tablejumps in them.
597 2006-09-20 Jakub Jelinek <jakub@redhat.com>
600 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
601 wrap it into TARGET_EXPR.
603 2006-09-20 Eric Christopher <echristo@apple.com>
605 * config/i386/i386.c (x86_fisttp): Remove.
606 * config/i386/i386.h (x86_fisttp): Ditto.
607 (TARGET_FISTTP): Ditto.
609 2006-09-19 Eric Christopher <echristo@apple.com>
611 * doc/tm.texi (OBJC_JBLEN): Describe.
612 * config/i386/darwin.h (OBJC_JBLEN): Define.
613 * config/rs6000/darwin.h: Ditto.
615 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
617 PR rtl-optimization/21299
618 * reload1.c (reload): Purge invalid ASMs in the final pass.
620 2006-09-19 Steve Ellcey <sje@cup.hp.com>
623 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
624 pointers as legitimate constants.
626 2006-09-19 Paul Brook <paul@codesourcery.com>
629 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
631 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
633 PR tree-optimization/28887
634 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
635 component parts from the reference.
636 (gather_memory_references_ref): Record the reference without the
637 nonaddressable component parts.
639 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
642 * c-opts.c (c_common_handle_option): Ignore the -std options
643 if the input language is assembly.
645 2006-09-17 Ira Rosen <irar@il.ibm.com>
648 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
650 (ptr_ptr_may_alias_p): Likewise.
651 (record_record_differ_p): New function.
652 (base_object_differ_p): Call record_record_differ_p.
654 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
657 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
658 away for the expr argument.
660 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
663 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
664 before using it for dumping after vectorizing loops.
666 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
667 Jack Howarth <howarth@bromo.med.uc.edu>
670 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
671 skip on error_mark_node.
672 (rs6000_darwin64_record_arg_recurse): Likewise.
674 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
676 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
677 * doc/rtl.texi: Remove related documentation.
679 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
681 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
684 2006-09-15 Jim Wilson <wilson@specifix.com>
686 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
687 Handle symbol offsets same as they are handled in ia64_expand_move
690 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
692 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
693 Add forgotten parameter to the fprintf call.
695 2006-09-15 Steve Ellcey <sje@cup.hp.com>
697 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
699 2006-09-15 Uros Bizjak <uros@kss-loka.si>
701 * doc/contrib.texi: Add my entry.
703 2006-09-15 Nick Clifton <nickc@redhat.com>
705 * doc/md.texi (Processor pipeline description): Fix typo in
706 example of how to use the absence_set directive and reword the
707 description to make it slightly easier to read.
709 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
711 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
712 * loop-doloop.c (doloop_optimize): Use it to limit costs of
713 expanding the number of iterations.
714 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
716 * cfgrtl.c (emit_insn_at_entry): New function.
717 * rtl.h (emit_insn_at_entry): Declare it.
718 * integrate.c (emit_initial_value_sets): Use it.
720 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
722 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
724 (struct loop_work and related VEC declarations): Delete.
725 (bfin_dump_loops): Print out new member bad.
726 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
727 (bfin_scan_loop): Don't recurse.
728 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
729 loops. No longer need to update outer loops if the current one is
730 found bad. Move some validitiy checks to bfin_discover_loop.
731 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
732 but changed not to check for nesting. Also changed to use the new bad
734 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
735 time. Use bitmap based test to discover loop nesting.
737 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
739 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
742 2006-09-14 Richard Guenther <rguenther@suse.de>
743 Kazu Hirata <kazu@codesourcery.com>
746 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
747 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
748 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
749 with TARGET_FUNCTION_VALUE.
751 2006-09-14 Anatoly Sokolov <aesok@post.ru>
754 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
756 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
758 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
761 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
764 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
767 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
769 * basic_block.h (bb_has_eh_pred): Fix comment.
771 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
773 * flow.c (calculate_global_regs_live): Invalidate eh registers
774 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
775 (propagate_block): Handle eh registers as if they were set at basic
777 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
779 * global.c (global_conflicts): Make eh registers to conflict with
780 pseudos live at basic block begin.
781 * basic_block.h (bb_has_eh_pred): New function.
783 2006-09-13 Richard Sandiford <richard@codesourcery.com>
785 PR rtl-optimization/28982
786 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
787 index of a PRE_MODIFY or POST_MODIFY address.
788 * reload1.c (inc_for_reload): Use find_replacement on the original
789 base and index registers.
791 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
793 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
794 for -Os. Update __m128 alignment requirement.
796 2006-09-13 Jan Hubicka <jh@suse.cz>
798 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
800 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
802 PR rtl-optimization/28243
803 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
804 the insn to which the note was originally attached.
806 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
807 Roger Sayle <roger@eyesopen.com>
809 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
810 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
811 on platforms that don't use dwarf for debug info.
813 2006-09-12 Jason Merrill <jason@redhat.com>
816 * builtins.c (expand_builtin_setjmp_receiver): Clobber
817 hard_frame_pointer_rtx after using it to update the frame pointer.
819 2006-09-12 Roger Sayle <roger@eyesopen.com>
821 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
822 (TARGET_ASM_CLOSE_PAREN): Likewise.
823 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
824 (TARGET_ASM_CLOSE_PAREN): Likewise.
826 2006-09-12 Roger Sayle <roger@eyesopen.com>
829 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
830 frame information for frames larger than 512 Kbytes on Tru64 when
831 using the native assembler.
833 2006-09-12 Roger Sayle <roger@eyesopen.com>
837 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
838 and symbols. Instead use the implementation from cse.c's hash_rtx.
840 2006-09-12 Jan Hubicka <jh@suse.cz>
842 PR rtl-optimization/28071
843 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
844 (vect_transform_loop): Likewise.
845 * tree-vectorizer.c (new_loop_vec_info): Likewise.
846 (new_loop_vec_info): Likewise.
847 (destroy_loop_vec_info): Likewise.
848 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
849 (create_stmt_ann): Likewise.
850 (create_tree_ann): Rename to ...
851 (create_tree_common_ann): ... this one; allocate only the common part
853 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
854 (get_value_handle): Likewise.
855 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
857 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
858 (vinfo_for_stmt): Use stmt annotations.
859 * tree-flow.h (tree_ann_common_t): New type.
860 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
861 (tree_ann, get_tree_ann, create_tree_ann): New.
862 * tree-flow-inline.h (get_function_ann): Do more type checking.
863 (stmt_ann): Likewise.
864 (tree_ann): Rename to ...
865 (tree_common_ann): ... this one; return ony common_ann
866 (get_tree_ann): Rename to ...
867 (tree_common_ann): This one; return only common_ann.
868 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
871 2006-09-11 Geoffrey Keating <geoffk@apple.com>
873 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
876 * dwarf2out.c (dwarf_file_data): New.
877 (enum dw_val_class): Add dw_val_class_file.
878 (struct dw_val_struct): Add val_file.
879 (file_table): Change to a hash table.
880 (file_table_emitted): Delete.
881 (file_table_last_lookup_index): Delete.
883 (last_emitted_file): New.
884 (lookup_filename): Change prototype to return a struct dwarf_file_data.
885 (init_file_table): Delete.
886 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
887 (AT_addr): Add comment.
891 (print_die): Handle dw_val_class_file.
892 (print_dwarf_line_table): Update for new file table structure.
893 (attr_checksum): Do checksum a filename.
894 (same_dw_val_p, same_attr_p): Do compare a filename.
895 (size_of_die): Handle dw_val_class_file.
896 (value_format): Likewise.
897 (output_die): Likewise. Also, call maybe_emit_file here.
898 (struct file_info): Constify filenames. Make file_idx a pointer
899 to a struct dwarf_file_data.
900 (struct dir_info): Constify directory names. Remove 'used' field.
901 (struct file_name_acquire_data): New.
902 (file_name_acquire): New.
903 (output_file_names): Modify to handle new file data structures.
904 (add_src_coords_attributes): Use add_AT_file.
905 (add_call_src_coords_attributes): Likewise.
906 (dwarf2out_imported_module_or_decl): Likewise.
907 (gen_subprogram_die): Modify for new file data structures.
908 (gen_variable_die): Likewise.
909 (file_table_eq): New.
910 (file_table_hash): New.
911 (file_table_last_lookup): New.
912 (lookup_filename): Rewrite to handle new file data structures.
913 (maybe_emit_file): Rewrite to handle new file data structures.
914 (dwarf2out_source_line): Always call lookup_filename and
916 (dwarf2out_init): Create file_table here.
917 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
918 (file_table_relative_p): New.
919 (dwarf2out_finish): Change detection of relative filenames
920 to work with new file data structures. Move output_line_info call
921 after debug_info output.
923 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
928 * config/i386/i386.c (override_options): Always default to 16
931 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
934 * var-tracking.c (dump_dataflow_set): Start dumping at
936 (clobber_variable_part): Kill only the variable part in
937 registers holding it, leaving other variables alone.
939 2006-09-11 Josh Triplett <josh@freedesktop.org>
941 * doc/extend.texi (Other Builtins): Actually use the macro
942 argument in the documentation example for
943 __builtin_types_compatible_p.
945 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
947 PR rtl-optimization/28726
948 * sched-deps.c (sched_analyze_reg): New function extracted from...
949 (sched_analyze_1): ...here. Call it to analyze references to
950 registers. Treat again writes to a stack register as writing to the
952 (sched_analyze_2): ...and here. Call it to analyze references to
953 registers. Treat again reads of a stack register as reading the
956 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
957 David Edelsohn <edelsohn@gnu.org>
960 * config/rs6000/spe.md (frob_df_di): Remove %H.
961 (frob_di_df): Remove %H. Change evmergelo to mr.
962 (frob_di_df_2): Remove %H. Change evldd to two loads.
964 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
966 * doc/cpp.texi: Fix names of charset options.
968 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
971 * config/i386/i386.c (override_options): Use 128-bit
972 stack boundary always for 64bits.
974 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
976 PR rtl-optimization/28636
977 * combine.c (force_to_mode): Test for side-effects before
978 substituting by zero.
979 (simplify_shift_const): Likewise for zero or other constants.
981 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
984 * builtins.c (expand_builtin_setjmp): Force next_lab to be
987 2006-09-10 Richard Sandiford <richard@codesourcery.com>
990 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
991 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
992 returned by mode_for_size, rather than the mode of src itself,
993 to choose between 32-bit and 64-bit patterns.
994 (mips_mem_fits_mode_p): New function.
995 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
996 that the size of the source matches the size of the destination.
997 (mov_<store>l, mov_<store>r): Likewise.
999 2006-09-10 Eric Christopher <echristo@apple.com>
1001 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1004 2006-09-09 Eric Christopher <echristo@apple.com>
1007 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1010 2006-09-09 Roger Sayle <roger@eyesopen.com>
1011 Nicolas Setton <setton@adacore.com>
1013 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1015 2006-09-10 Andreas Schwab <schwab@suse.de>
1017 * config/m68k/m68k.md (bungt_rev): New pattern.
1019 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1020 Dale Johannesen <dalej@apple.com>
1023 * regclass.c (struct reg_pref): Update documentation.
1024 (regclass): Set prefclass to NO_REGS if memory is the best option.
1025 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1027 2006-09-08 Eric Christopher <echristo@apple.com>
1029 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1030 * config/t-slibgcc-darwin: Support x86_64 multilib.
1031 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1032 Return 1 for x86_64-darwin.
1033 * config/i386/t-darwin: Add m64 multilib.
1034 (LIB2_SIDITI_CONV_FUNCS): Use.
1035 (LIB2FUNCS_EXTRA): Ditto.
1036 * config/i386/darwin.h: Support x86_64.
1037 * config/i386/i386.c (override_options): Turn on flag_pic
1038 for x86_64-darwin. Disable flag_omit_pointer.
1039 (get_pc_thunk_name): Assert !TARGET_64BIT.
1040 (legitimate_address_p): Disable machopic addressing for
1042 (legitimize_pic_address): Ditto.
1043 (ix86_expand_move): Ditto.
1044 (ix86_expand_call): Ditto.
1045 (machopic_output_stub): Ditto.
1046 * config/darwin.c (machopic_select_section): Support literal16.
1047 (machopic_select_rtx_section): Ditto.
1048 * config/darwin-sections.def: Ditto.
1049 * config/darwin-64.c: New.
1051 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1054 * c-tree.h (struct c_arg_info): Add pending_sizes.
1055 * c-parser.c (c_parser_parms_declarator,
1056 c_parser_parms_list_declarator): Initialize pending_sizes.
1057 * c-decl.c (get_parm_info): Initialize pending_sizes.
1058 (get_parm_info): Set pending_sizes.
1059 (grokdeclarator): Call put_pending_sizes for parameters for
1060 function definition only.
1062 2006-09-07 Jason Merrill <jason@redhat.com>
1065 * varasm.c (output_constant): Only strip actual no-op conversions.
1068 * config/i386/i386.c (override_options): Use 128-bit
1069 stack boundary if -msse.
1071 2006-09-07 Eric Christopher <echristo@apple.com>
1073 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1075 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1078 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1080 * dwarf2out.c: Remove strange characters from comment above
1081 dwarf2out_frame_debug_expr.
1083 2006-09-07 Eric Christopher <echristo@apple.com>
1085 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1086 * config/darwin.h: ... to here.
1088 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1090 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1092 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1093 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1095 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1096 TARGET_PARTIAL_FLAG_REG_STALL.
1097 (*ashldi3_cconly_rex64): Likewise.
1098 (*ashlsi3_cmp): Likewise.
1099 (*ashlsi3_cconly): Likewise.
1100 (*ashlsi3_cmp_zext): Likewise.
1101 (*ashlhi3_cmp): Likewise.
1102 (*ashlhi3_cconly): Likewise.
1103 (*ashlqi3_cmp): Likewise.
1104 (*ashlqi3_cconly): Likewise.
1105 (*ashrdi3_cmp_rex64): Likewise.
1106 (*ashrdi3_cconly_rex64): Likewise.
1107 (*ashrsi3_cmp): Likewise.
1108 (*ashrsi3_cconly): Likewise.
1109 (*ashrsi3_cmp_zext): Likewise.
1110 (*ashrhi3_cmp): Likewise.
1111 (*ashrhi3_cconly): Likewise.
1112 (*ashrqi3_cmp): Likewise.
1113 (*ashrqi3_cconly): Likewise.
1114 (*lshrdi3_cmp_rex64): Likewise.
1115 (*lshrdi3_cconly_rex64): Likewise.
1116 (*lshrsi3_cmp): Likewise.
1117 (*lshrsi3_cconly): Likewise.
1118 (*lshrsi3_cmp_zext): Likewise.
1119 (*lshrhi3_cmp): Likewise.
1120 (*lshrhi3_cconly): Likewise.
1121 (*lshrqi2_cmp): Likewise.
1122 (*lshrqi2_cconly): Likewise.
1124 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1127 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1128 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1129 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1130 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1131 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1132 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1133 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1134 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1135 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1136 implement only CC setting effects of shift instructions.
1138 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1140 * doc/contrib.texi: Add myself.
1142 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1145 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1146 was set by the user.
1148 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1151 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1152 (divsi_inv_m1): Use them.
1153 (UNSPEC_DIV_INV_TABLE): New constant.
1155 2006-09-06 James E Wilson <wilson@specifix.com>
1158 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1159 then call count_or_remove_death_notes.
1161 2006-09-06 Jason Merrill <jason@redhat.com>
1164 * tree-inline.c (copy_result_decl_to_var): New fn.
1165 (declare_return_variable): Use it. Call declare_inline_vars here.
1166 (expand_call_inline): Not here.
1168 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1170 * doc/contrib.texi: Update my entry.
1172 2006-09-06 Nick Clifton <nickc@redhat.com>
1174 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1176 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1179 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1180 (canonicalize_induction_variables): Likewise.
1181 (tree_unroll_loops_completely): Likewise.
1182 (tree_ssa_prefetch_arrays): Likewise.
1183 (remove_empty_loops): Likewise.
1184 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1185 TODO_cleanup_cfg instead of directly calling
1186 cleanup_tree_cfg_loop.
1187 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1189 (tree_unroll_loops_completely): Likewise.
1190 (remove_empty_loops): Likewise.
1191 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1192 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1193 of tree_ssa_unswitch_loops.
1194 (tree_ssa_loop_ivcanon): Use the return value of
1195 canonicalize_induction_variables.
1196 (tree_ssa_empty_loop): Use the return value of
1198 (tree_complete_unroll): Use the return value of
1199 tree_unroll_loops_completely.
1200 (tree_ssa_loop_prefetch): Use the return value of
1201 tree_ssa_prefetch_arrays.
1202 * passes.c (execute_todo): Before Cleanup CFG, set
1203 updating_used_alone and after cleanup CFG, call
1204 recalculate_used_alone.
1206 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1209 * tree-vect-transform.c (vectorizable_condition): Move the check
1210 for the type after the check for simple condition.
1212 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1213 Kaz Kojima <kkojima@gcc.gnu.org>
1216 * mode-switching.c (optimize_mode_switching): Make the destination
1217 block of an abnormal edge have no anticipatable mode. Don't
1218 insert mode switching code at the end of the source block of
1221 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1223 PR rtl-optimization/26847
1224 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1225 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1226 (simplify_plus_minus): Count n_constants while filling ops. Replace
1227 qsort with insertion sort. Before going through the array to simplify
1228 pairs, sort it. Delay early exit until after the first sort, exiting
1229 only if no swaps occurred. Simplify pairs in reversed order, without
1230 special-casing the first iteration. Pack ops after simplifying pairs.
1232 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1234 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1235 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1236 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1237 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1239 2006-09-05 Richard Guenther <rguenther@suse.de>
1241 PR tree-optimization/28900
1242 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1243 compound conditional before creating COND_EXPR condition.
1245 2006-09-05 Richard Guenther <rguenther@suse.de>
1247 PR tree-optimization/28905
1248 * tree-vrp.c (fix_equivalence_set): Manually implement
1249 !value_ranges_intersect_p to also handle symbolic ranges.
1251 2006-09-05 Richard Guenther <rguenther@suse.de>
1254 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1257 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1259 PR rtl-optimization/27616
1260 * cse.c (table_size): New static variable.
1261 (new_basic_block): Initialize it to 0.
1262 (remove_from_table): Decrement it.
1263 (insert): Increment it.
1264 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1265 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1266 fold_rtx_mem_1 if under the cap.
1267 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1268 the lookup of the equivalent expression and test for equality of the
1269 first operand of the equivalent expression before in turn looking up
1270 an equivalent constant for the second operand.
1272 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1275 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1276 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1277 pointer, instead of assuming it is possible to derive the
1278 correct args size from a call insn.
1280 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1283 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1284 (fold_builtin_mempcpy): Rename to...
1285 (fold_builtin_memory_op): ... this. Optimize one element copy
1287 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1289 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1290 (expand_builtin_memcpy, expand_builtin_mempcpy,
1291 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1292 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1293 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1294 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1296 2006-09-01 DJ Delorie <dj@redhat.com>
1298 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1299 (stzx_16): Likewise.
1300 ("stzx_24_<mode>"): Likewise.
1301 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1302 ("cmp<mode>_op"): New.
1303 (cmp<mode>): Change to expander; just save operands.
1305 (b<code>): Change to expander, emit compare here.
1306 (s<code>_op): Change to use split and expander.
1307 (s<code>_24_op): Likewise.
1308 (s<code>_<mode>): New.
1309 (s<code>_<mode>_24): New.
1310 (movqicc_<code>_<mode): New.
1311 (movhicc_<code>_<mode>): New.
1314 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1315 (m32c_pend_compare): New.
1316 (m32c_unpend_compare): New.
1317 (m32c_expand_scc): New.
1318 (m32c_expand_movcc): Emit the compare also.
1319 * config/m32c/predicates.md (mra_nopp_operand): New.
1321 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1322 Richard Guenther <rguenther@suse.de>
1323 Adam Nemet <anemet@caviumnetworks.com>
1326 * builtins.c (get_pointer_alignment): Handle more forms
1327 of base addresses that can be used to derive more precise
1328 information about alignment.
1330 2006-09-01 Jason Merrill <jason@redhat.com>
1333 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1336 * gimplify.c (voidify_wrapper_expr): Handle null type.
1338 2006-09-01 Josh Conner <jconner@apple.com>
1341 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1342 (execute_return_slot_opt): Use it.
1344 2006-08-31 Josh Conner <jconner@apple.com>
1347 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1348 returning aggregates.
1350 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1352 PR tree-optimization/28839
1353 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1354 blocks in that phi arguments appear.
1356 2006-08-31 Roger Sayle <roger@eyesopen.com>
1359 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1360 NULL, otherwise use an advance_loc4 to adjust relative to the
1362 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1363 (dwarf2out_switch_text_section): Reset the current label to avoid
1364 using advance_loc4 over section boundaries.
1366 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1369 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1370 r12 + SYMBOLIC_CONST.
1372 2006-08-30 Richard Guenther <rguenther@suse.de>
1374 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1376 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1378 PR rtl-optimization/27735
1379 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1380 Add new argument to keep track of whether an irreducible region
1381 was affected. All callers changed.
1382 (fix_irreducible_loops): Removed.
1383 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1384 flags were invalidated.
1386 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1388 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1389 instead of SF operands.
1390 (*fop_df_comm_sse): Likewise.
1391 (*fop_df_comm_i387): Likewise.
1392 (*fop_df_1_mixed): Likewise.
1393 (*fop_df_1_sse): Likewise.
1395 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1396 J"orn Rennecke <joern.rennecke@st.com>
1398 PR tree-optimization/17506
1399 * tree-ssa.c (warn_uninit): If warning about a location outside of
1400 the current function, note where the variable was declared.
1402 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1404 PR tree-optimization/28411
1405 * double-int.c (double_int_div): Use double_int_divmod.
1406 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1407 double_int_mod, double_int_smod, double_int_umod): New functions.
1408 * double-int.h (double_int_divmod, double_int_sdivmod,
1409 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1411 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1413 (get_computation_aff, get_computation_cost_at): Handle double_int
1414 return type of constant_multiple_of.
1416 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1419 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1420 an implicit conversion.
1422 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1424 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1426 2006-08-27 Roger Sayle <roger@eyesopen.com>
1428 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1431 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1433 * config/i386/crtfastmath.c: Fix a comment typo.
1435 2006-08-26 Roger Sayle <roger@eyesopen.com>
1437 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1438 temporary visit flags on CASE_LABEL_EXPRs.
1439 * c-common.c (match_case_to_enum): Add function comment. Avoid
1440 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1441 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1442 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1443 a constant, only warn if that constant value isn't handled.
1445 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1448 * input.h (restore_input_file_stack): Declare.
1449 (INPUT_FILE_STACK_BITS): Define.
1450 * toplev.c (fs_p, input_file_stack_history,
1451 input_file_stack_restored, restore_input_file_stack): New.
1452 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1453 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1454 (pop_srcloc): Don't free old state of stack.
1456 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1459 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1460 (PowerPC Type Attributes): New.
1462 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1464 * config/xtensa/xtensa.c (function_arg_boundary): New.
1465 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1467 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1468 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1470 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1473 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1476 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1478 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1479 (verify_local_live_at_start): Likewise.
1481 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1484 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1485 omp_add_variable): Treat sizes as variable whenever not
1488 2006-08-26 Richard Guenther <rguenther@suse.de>
1491 * fold-const.c (fold_binary): Fold temporary to correct
1492 type before constructing new comparison.
1494 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1497 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1498 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1500 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1503 * c-decl.c (start_function): Don't try to process prototype
1504 information from old declaration that isn't a function.
1506 2006-08-25 Jan Hubicka <jh@suse.cz>
1509 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1511 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1514 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1517 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1519 PR tree-optimization/16876
1520 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1521 exit if PARM doesn't match VALUE.
1523 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1525 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1526 literal_prefix directive.
1527 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1528 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1529 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1531 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1534 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1535 predicate to general_operand. Add 0->y and I->r alternatives.
1537 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1539 * doc/tm.texi: Fix a typo.
1540 * predict.c: Fix comment typos.
1542 2006-08-25 Nick Clifton <nickc@redhat.com>
1544 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1545 assertions of "cpu" and "machine".
1547 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1550 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1551 the access through a base which has an alias set of 0 cannot
1554 2006-08-24 Bill Wendling <wendling@apple.com>
1556 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1558 2006-08-24 Jan Hubicka <jh@suse.cz>
1560 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1562 2006-08-24 Jan Hubicka <jh@suse.cz>
1565 * cgraph.c: Fix comments.
1566 (cgraph_varpool_mark_needed_node): Mark only variables not already
1568 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1569 (cgraph_varpool_assembled_nodes_queue): New static variable.
1570 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1571 (cgraph_varpool_output_debug_info): New function.
1572 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1573 * Makefile.in: Add gt-cgraphunit.h
1575 2006-08-24 Jan Hubicka <jh@suse.cz>
1577 * predict.c (probability_reliable_p): New predicate.
1578 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1579 (predict_loops): Do not predict loop exit with less than 2%
1581 * basic-block.h (edge_probability_reliable_p,
1582 br_prob_note_reliable_p): Declare.
1583 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1584 prediction when static predictor is not reliable.
1585 * rs6000.c (output_cbranch): Likewise.
1587 2006-08-23 Stuart Hastings <stuart@apple.com>
1590 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1591 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1593 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1596 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1597 complex values, nor for generic vector values.
1599 2006-08-22 Richard Guenther <rguenther@suse.de>
1602 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1603 parameter. Convert arguments to arithmetic expression to the
1605 (analyze_scalar_evolution_1): Adjust caller.
1607 2006-08-22 Jan Hubicka <jh@suse.cz>
1609 Patch by Paolo Bonzini
1610 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1613 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1615 PR tree-optimization/28003
1616 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1617 before grouping aliases.
1619 2006-08-22 Roger Sayle <roger@eyesopen.com>
1621 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1622 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1624 2006-08-21 Jason Merrill <jason@redhat.com>
1627 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1628 wrapper. Loop to handle nested wrappers.
1629 (gimplify_bind_expr): Remove temp parameter.
1630 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1631 and STATEMENT_LIST on the rhs.
1632 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1633 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1634 (gimplify_target_expr): Remove special BIND_EXPR handling.
1636 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1638 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1641 2006-08-21 Olivier Hainque <hainque@adacore.com>
1643 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1644 Arrange for the temporary captures of components overlapping the lhs
1645 to happen before the lhs is possibly cleared.
1647 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1649 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1650 necessary places to pass the correct "number of registers" values
1653 2006-08-20 Jan Hubicka <jh@suse.cz>
1655 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1656 (create_name_tags): Instead of quadratic checking use hashtable.
1657 * bitmap.h: Include hashtab.h.
1658 (bitmap_hash): Declare.
1659 * bitmap.c (bitmap_hash): New function.
1661 2006-08-20 Jan Hubicka <jh@suse.cz>
1663 PR rtl-optimization/28071
1664 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1666 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1667 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1668 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1669 cgraph_decide_inlining_incrementally): Update use of
1670 cgraph_check_inline_limits.
1671 * cgraph.c (edge_hash, edge_eq): New function.
1672 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1673 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1674 cgraph_remove_node): Maintain call site hash.
1675 * cgraph.h (struct cgraph_node): Add call_site_hash.
1676 (cgraph_set_call_stmt): New function.
1678 2006-08-20 Jan Hubicka <jh@suse.cz>
1680 PR rtl-optimization/28071
1681 * reload1.c (reg_has_output_reload): Turn into regset.
1682 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1683 choose_reload_regs, emit_reload_insns): Update to new
1684 reg_has_output_reload.
1686 2006-08-20 Jan Hubicka <jh@suse.cz>
1689 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1690 function body sizes.
1691 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1693 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1696 * tree.c (handle_dll_attribute): Return early if not a
1697 var or function decl.
1699 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1702 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1703 alignment of SPE vector types.
1705 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1707 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1709 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1712 * cgraph.h (struct cgraph_node): Remove externally_visible
1714 * cgraphunit.c (process_function_and_variable_attributes): Set
1715 local.externally_visible rather than externally_visible.
1718 * c-common.c (handle_externally_visible_attribute): First look
1719 at TREE_CODE and only if it is function or var decl, check for
1720 non-public objects. Don't warn for DECL_EXTERNAL.
1721 * cgraphunit.c (process_function_and_variable_attributes): Warn
1722 if externally_visible attribute is used on non-public object.
1724 2006-08-17 Jan Hubicka <jh@suse.cz>
1726 PR tree-optimization/27865
1727 * reload1.c (forget_marked_reloads): New function.
1728 (forget_old_reloads_1): When data are passed, just mark the registers
1730 (reload_as_needed): Use the new mechanizm.
1732 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1735 * reload.h (reg_equiv_alt_mem_list): New declaration.
1736 * reload1.c (reg_equiv_alt_mem_list): New definition.
1737 (reload): Initialize it and release it.
1738 (delete_output_reload): Use it.
1739 * reload.c (push_reg_equiv_alt_mem): New function.
1740 (find_reloads_toplev): Call it.
1741 (find_reloads_address, find_reloads_address_1): Likewise.
1742 (find_reloads_subreg_address): Likewise.
1744 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1746 PR rtl-optimization/28489
1747 * sched-ebb.c (begin_schedule_ready): Create basic block
1749 (advance_target_bb): Skip empty blocks.
1750 * haifa-sched.c (bb_note): Make global.
1751 * sched-int.h (bb_note): Add prototype.
1753 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1755 PR tree-optimization/27865
1756 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1758 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1759 fold_used_pointer, pointer_used_p): New functions.
1760 (analyze_scalar_evolution_1): Use fold_used_pointer.
1761 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1762 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1765 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1768 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1769 or the INTEGER_CST. Fail on a CALL_EXPR.
1770 (fold_offsetof): Pass new argument to fold_offsetof_1.
1771 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1772 operand into an INDIRECT_REF.
1773 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1775 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1777 PR gcov/profile/26570
1778 * value-prof.c (static_values): Removed.
1779 (tree_find_values_to_profile): Do not set static_values.
1780 (find_values_to_profile): Do not free static_values.
1781 * profile.c (instrument_values): Do not free the values.
1782 (branch_prob): Free the values.
1784 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1786 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1788 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1791 * c-typeck.c (build_component_ref): Combine qualifiers of
1792 structure or union and field.
1794 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1796 PR rtl-optimization/28071
1797 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1798 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1799 * tree-into-ssa.c (struct dom_dfsnum): New.
1800 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1802 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1803 compute_global_livein.
1804 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1805 in phi nodes in the correct blocks.
1807 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1809 PR tree-optimization/28364
1810 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1812 (fold_affine_expr): New function.
1813 (may_eliminate_iv): Use fold_affine_expr.
1815 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1818 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1821 2006-08-16 Mike Stump <mrs@apple.com>
1823 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1824 * doc/cppopts.texi (-MD): Likewise.
1826 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1829 * c-common.c (handle_weak_attribute): Ignore and warn if
1830 not a FUNCTION_ or VAR_DECL.
1832 2006-07-15 Mike Stump <mrs@apple.com>
1835 * c-parser.c (c_parser_typeof_specifier): Don't use
1836 c_finish_expr_stmt, open code desired semantics instead.
1838 2006-08-15 Nick Clifton <nickc@redhat.com>
1840 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1841 fragment to tmake_file only if threads are enabled.
1842 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1843 * config/i386/t-gthr-win32: New file. ... here.
1845 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1848 * c-parser.c (c_parser_compound_statement_nostart): Reset
1849 parser->error after each statement.
1851 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1854 * omp-low.c (lower_omp_parallel): Convert t to
1855 receiver_decl's type.
1856 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1857 source before comparison.
1860 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1861 to itype in assignment to oldival2.
1863 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1867 * c-typeck.c (build_compound_expr): If the second expression
1868 is an error mark, then just return an error mark instead of
1869 creating a COMPOUND_EXPR.
1871 2006-07-14 Mike Stump <mrs@apple.com>
1873 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1875 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1877 * c-decl.c, var-tracking.c: Fix comment typos.
1879 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1881 PR rtl-optimization/28634
1882 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1883 for floating-point modes unless flag_unsafe_math_optimizations.
1885 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1886 Andrew Pinski <pinskia@physics.uc.edu>
1889 * tree.c (build_array_type): Unify array types with
1890 unspecified index_type.
1891 * c-decl.c (grokdeclarator): Make sure we do not modify a
1892 unified incomplete array type.
1893 * c-typeck.c (store_init_value): Create distinct type before
1894 filling in the index type in an initializer from a compound
1897 * c-decl.c (grokdeclarator): Remove code where we copy the
1900 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1902 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1903 into account for TODO_dump_cgraph.
1904 (TODO_update_ssa_no_phi): Likewise.
1905 (TODO_update_ssa_full_phi): Likewise.
1906 (TODO_update_ssa_only_virtuals): Likewise.
1907 (TODO_remove_unused_locals): Likewise.
1908 (TODO_set_props): Likewise.
1909 (TODO_update_stmt_usage): Likewise.
1911 2006-08-13 Dirk Mueller <dmueller@suse.de>
1913 * c-common.c (strict_aliasing_warning): Fix formatting.
1915 2006-08-13 Matthias Klose <doko@debian.org>
1917 * doc/invoke.texi: Fix spelling errors.
1919 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1921 PR rtl-optimization/23454
1922 * reorg.c (relax_delay_slots): Update comment.
1924 2006-08-11 Richard Guenther <rguenther@suse.de>
1927 * simplify-rtx.c (simplify_const_relational_operation):
1928 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1931 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1933 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1934 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1936 2006-08-10 Paul Brook <paul@codesourcery.com>
1938 * final.c (final_scan_insn): Clear current_insn_predicate before
1939 outputting inline asm.
1941 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1943 PR tree-optimization/26197
1944 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1945 get_ref_base_and_extent and overlap_subvar to add only relevant
1946 subvars as may-aliases.
1947 (add_may_alias_for_new_tag): New function, factored out of
1949 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1950 with additional argument.
1951 * tree-flow.h (new_type_alias): Takes additional argument.
1953 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1955 * gcov.c (no_data_file): New flag.
1956 (read_count_file): Set it if data file not present. Assume counts
1958 (output_lines): Don't name the data file, if there wasn't one.
1960 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1962 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1963 (rs6000_generate_compare): Tweak comments.
1964 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1966 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1968 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1969 (var_debug_decl): New function.
1970 (var_reg_set): Follow debug decl link. Add location even if
1971 reg is already known to hold some other variable.
1972 (var_mem_set): Follow debug decl link.
1973 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1974 decl link. Delete other known locations of the variable part
1976 (var_reg_delete, var_mem_delete): Delete other known locations
1977 of the variable part if requested.
1978 (same_variable_part_p): New function.
1979 (add_stores): Select MO_COPY when appropriate.
1980 (vt_initialize): Handle it.
1981 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1982 known locations for MO_SET and MO_CLOBBER.
1983 (find_variable_location_part): New function.
1984 (set_variable_part, delete_variable_part): Use it.
1985 (clobber_variable_part): New function.
1986 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1989 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1991 PR tree-optimization/26969
1992 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1993 with an empty list of PHIs.
1995 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1999 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2002 2006-08-06 Andreas Schwab <schwab@suse.de>
2004 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2005 string. Whitespace and comment fixup.
2007 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2010 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2014 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2017 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2019 2006-08-04 Jan Hubicka <jh@suse.cz>
2023 * reload.c (push_reload): Patch out the mismatching instruction;
2025 (find_reload): Bail out if the instruction was patched out.
2027 2006-08-04 Jan Hubicka <jh@suse.cz>
2029 PR tree-optimization/24888
2030 * tree-inline.c (expand_call_inline): Do not re-record variables.
2031 (declare_inline_vars): Add variable to unexpanded_var_list.
2033 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2034 Roger Sayle <roger@eyesopen.com>
2036 PR rtl-optimization/26244
2037 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2038 inner_const are negative or greater than or equal to the bitsize of
2039 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2040 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2041 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2042 CONST0_RTX (mode) when the new shift count is greater than or equal to
2043 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2046 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2048 * tree-cfg.c: Fix a comment typo.
2050 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2053 * varasm.c (output_constant): Give the front end another chance to
2054 expand constants, after stripping NOPs.
2056 2006-08-03 Jan Hubicka <jh@suse.cz>
2058 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2061 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2063 PR tree-optimization/27770
2064 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2065 declaration removed (moved to tree-flow.h).
2066 (vect_can_force_dr_alignment_p): Likewise.
2067 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2068 (moved from tree-vectorizer.h).
2069 (vect_can_force_dr_alignment_p): Likewise.
2070 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2071 from outside the vectorizer - in particular from cgraph stage.
2072 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2073 the alignment of global arrays when -fsection-anchors is enabled.
2074 * cgraphunit.c (cgraph_increase_alignment): New function.
2075 (cgraph_optimize): Call cgraph_increase_alignment.
2077 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2080 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2081 not reload a SPE symbol_ref into a lo_sum address.
2083 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2086 * dwarf2out.c (prune_unused_types_prune): Move call to
2087 prune_unused_types_update_strings to cover the parent DIE also.
2089 2006-08-02 Jan Hubicka <jh@suse.cz>
2091 PR gcov/profile/28480
2092 * tree-cfg.c (change_bb_for_stmt): New function.
2093 (tree_merge_blocks, tree_split_blocks): Use it.
2095 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2101 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2102 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2103 (cgraph_optimize): Likewise.
2105 2006-08-01 Stuart Hastings <stuart@apple.com>
2107 * rtl.h (UINTVAL) New.
2108 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2109 * testsuite/gcc.dg/20060801-1.c: New.
2111 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2114 * c-typeck.c (build_external_type): Mark used enum types.
2115 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2117 (gen_subprogram_die): Whitespace fix.
2119 2006-08-01 Jan Hubicka <jh@suse.cz>
2121 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2122 bitmap when not needed.
2123 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2126 2006-08-01 Dirk Mueller <dmueller@suse.de>
2128 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2130 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2132 * Makefile.in: Revert part of previous patch:
2133 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2136 2006-07-30 Eric Christopher <echristo@apple.com>
2139 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2140 (PowerPC Variable Attributes): New section.
2142 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2144 PR target/28126 (partial fix)
2145 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2147 2006-07-28 Jan Hubicka <jh@suse.cz>
2149 PR rtl-optimization/28071
2150 * cfgrtl.c (rtl_delete_block): Free regsets.
2151 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2153 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2155 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2156 and variables used in dependencies.
2158 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2160 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2161 %fs for -mcmodel=kernel.
2162 (stack_tls_protect_test_di): Likewise.
2164 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2166 * Makefile.in: Use mkinstalldirs.
2168 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2171 * opts-common.c (prune_options): Skip joined switches.
2173 2006-07-27 Jan Hubicka <jh@suse.cz>
2175 PR rtl-optimization/28071
2176 * cselib.c (cselib_process_insn): Don't remove useless values too
2177 often for very large hashtables.
2179 2006-07-27 Jan Hubicka <jh@suse.cz>
2181 PR rtl-optimization/28071
2182 * global.c (greg_obstack): New obstack.
2183 (allocate_bb_info): Use it.
2184 (free_bb_info): Likewise.
2185 (modify_reg_pav): Likewise.
2187 2006-07-27 Roger Sayle <roger@eyesopen.com>
2189 * builtins.c (fold_fixed_mathfn): When long and long long are the
2190 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2191 functions to their lceil*, lfloor*, lround* and lrint* forms.
2193 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2196 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2198 (rev_branch_insn): Likewise.
2200 2006-07-27 Jan Hubicka <jh@suse.cz>
2202 PR rtl-optimization/28071
2203 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2204 (reg_set_in_bb, max_reg_computed): New static variables.
2205 (regmove_optimize): Free the new array.
2206 (fixup_match_1): Update call of reg_is_remote_constant_p.
2208 2006-07-26 Jan Hubicka <jh@suse.cz>
2210 PR tree-optimization/27882
2211 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2213 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2215 (cgraph_analyze_compilation_unit): Likewise.
2216 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2217 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2218 (cgraph_early_inlinine): Make order garbage collected.
2219 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2221 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2223 * dbxout.c (output_types_sort): Add a comment.
2224 (output_used_types): Free the VEC.
2226 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2228 * function.c (reorder_fix_fragments): Delete.
2229 (reorder_blocks): Don't call it.
2230 (reorder_blocks_1): Put all subblocks under the origin block.
2232 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2234 PR rtl-optimization/27907
2235 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2238 2006-07-25 Roger Sayle <roger@eyesopen.com>
2241 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2242 bar(x) check that bar's result type can represent all the values of T.
2244 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2246 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2248 2006-07-25 Nick Clifton <nickc@redhat.com>
2250 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2251 size_lookup[] array.
2252 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2253 (ggc_pch_count_object): Likewise.
2254 (ggc_pch_alloc_object): Likewise.
2255 (ggc_pch_write_object): Likewise.
2256 (init_ggc): Do not attempt to initialize entries in the
2257 size_lookup[] array for objects whose size is greater than than
2258 the length of the array.
2260 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2262 * dbxout.c (output_used_types_helper): Push queued types
2264 (output_types_sort): New.
2265 (output_used_types): Collect used types on a VEC and sort them
2268 2006-07-24 Richard Guenther <rguenther@suse.de>
2271 * cgraph.c (cgraph_remove_node): Do not check if dumps
2273 * cgraphunit.c (cgraph_optimize): Likewise.
2275 2006-07-24 Jan Hubicka <jh@suse.cz>
2277 PR rtl-optimization/28071
2278 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2279 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2280 splitting before first stmt.
2282 2006-07-24 Jan Hubicka <jh@suse.cz>
2284 PR rtl-optimization/28071
2285 * ipa-inline.c (update_caller_keys): Remove edges that
2286 are no longer inline candidates.
2288 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2291 * dbxout.c (output_used_types_helper, output_used_types): New.
2292 (dbxout_symbol): Call output_used_types.
2294 2006-07-23 Jan Hubicka <jh@suse.cz>
2298 * cgraph.c (cgraph_varpool_nodes): Export.
2299 (decide_is_variable_needed): Ignored "used" attribute in
2300 unit-at-a-time mode.
2301 * cgraph.h (cgraph_varpool_nodes): Declare.
2302 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2303 unit-at-a-time mode.
2305 2006-07-23 Roger Sayle <roger@eyesopen.com>
2308 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2309 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2310 the __gthrw form of thr_keycreate.
2311 (__gthread_key_delete): Silence the unused argument warning.
2313 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2316 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2317 Cache the last found '\0' marker to avoid quadratic behavior.
2319 2006-07-23 Jan Hubicka <jh@suse.cz>
2321 * i386.md (subsi_3_zext): Fix output template.
2323 2006-07-21 Mike Stump <mrs@apple.com>
2325 * doc/invoke.texi (C++ Dialect Options): Note that
2326 -fvisibility-inlines-hidden doesn't affect explicitly
2327 instantiationed inline methods.
2329 2006-07-20 Roger Sayle <roger@eyesopen.com>
2331 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2332 if the target assembler is GNU binutils' gas.
2333 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2334 whether to pass GNU gas or native as command line options.
2336 2006-07-20 Jason Merrill <jason@redhat.com>
2338 * tree.c (remove_attribute): New fn.
2339 * tree.h: Declare it.
2341 2006-07-20 Paul Brook <paul@codesourcery.com>
2344 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2345 they are invalidated by this instruction.
2347 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2350 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2352 2006-07-20 Eric Christopher <echristo@apple.com>
2355 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2357 2006-07-19 Eric Christopher <echristo@apple.com>
2359 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2360 Rewrite dependencies for libgcc_s.1.dylib.
2362 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2364 * except.c (duplicate_eh_regions_1): Clear next_peer.
2366 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2368 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2369 -mlongcall does not guarantee all calls will be long.
2370 * doc/extend.texi (long_call/short_call): Document that longcall
2371 does not guarantee a long call will be used.
2372 (longcall/shortcall): Likewise.
2374 2006-07-18 Roger Sayle <roger@eyesopen.com>
2377 * expmed.c (expand_shift): Additionally check that the shift_cost
2378 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2379 before implementing a LSHIFT_EXPR as a sequence of additions.
2380 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2381 middle-end that DImode shifts need to be synthesized by expand.
2383 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2386 * tree-ssa-operands.c (access_can_touch_variable): Update
2388 Return true if ALIAS is .GLOBAL_VAR.
2390 2006-07-18 David Daney <ddaney@avtrex.com>
2392 * gcc.c (display_help): Fix typo in help text.
2394 2006-07-18 Olivier Hainque <hainque@adacore.com>
2396 * tree.h (categorize_ctor_elements): Adjust prototype and add
2397 descriptive comment, both in accordance with the interface change
2399 * varasm.c (constructor_static_from_elts_p): New function.
2400 Whether a constructor node is a valid static constant initializer
2401 if all its elements are.
2402 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2403 * output.h: Declare it.
2404 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2405 is a valid constant initializer instead of computing the number of
2406 non-constant elements. Use constructor_static_from_elts_p for this
2407 purpose. Replace the head comment with an indication that this is a
2408 helper for categorize_ctor_elements.
2409 (categorize_ctor_elements): Same interface change as for the _1
2410 helper. Former head comment from this helper moved here, adjusted to
2411 account for the interface changes.
2412 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2413 (all_zeros_p): Likewise.
2414 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2415 static versions of the constructor from the categorize_ctor_elements
2416 return value instead of the formerly computed number of non-constant
2419 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2421 * configure: Regenerate.
2422 * Makefile.in (build_libsubdir): New configure substitution
2423 (build_libobjdir): New variable.
2424 (BUILD_LIBIBERTY): Use it.
2426 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2429 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2431 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2434 * c-common.c (handle_weakref_attribute): Ignore attribute in
2435 the same conditions the alias attribute is ignored.
2437 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2439 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2440 (dbxout_begin_prologue): Increment scope_labelno.
2442 2006-07-17 Richard Henderson <rth@redhat.com>
2445 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2448 2006-07-17 Roger Sayle <roger@eyesopen.com>
2449 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2451 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2452 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2453 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2454 functions such as sbrk, write, etc.. Add function prototypes.
2455 Convert function declarations from K&R to ISO C. Cast pointers
2456 to "long" and "unsigned long" instead of "int" and "unsigned int".
2457 Convert tokens following #endif into comments.
2459 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2461 * invoke.texi: Remove mention of f77; Reformat table for
2462 inline parameter options correctly; mention that -malign-double
2463 is default on x86-64 targets.
2465 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2467 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2468 (convert_affine_scev, chrec_convert_aggressive): Use
2469 avoid_arithmetics_in_type_p. Do not check for the subtypes
2472 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2475 * optabs.c (expand_doubleword_shift): Wrap the call to
2476 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2478 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2481 * optabs.c (expand_binop): Pass next_methods rather than methods
2482 to expand_doubleword_shift.
2484 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2487 * tree.h (dump_addr): Declare.
2488 * print-tree.c (dump_addr): New function.
2489 (print_node_brief, print_node): Use it.
2490 * print-rtl.c (print_rtx): Likewise.
2491 * common.opt (-fdump-noaddr): New option.
2492 * doc/invoke.texi (-fdump-noaddr): Document.
2493 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2494 (ve_info_hash): Likewise.
2496 2006-07-13 Andrew Haley <aph@redhat.com>
2498 PR tree-optimization/19505
2499 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2500 edge leaving this block, make sure that the destination of this
2501 block has only one predecessor.
2503 2006-07-17 Richard Guenther <rguenther@suse.de>
2505 PR tree-optimization/28238
2506 * tree-inline.c (copy_bb): Check if we produced valid
2507 gimple copying and substituting a stmt. If not, gimplify
2510 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2512 * optabs.c (maybe_encapsulate_block): New function extracted from...
2513 (emit_libcall_block): ...here. Invoke it on the block of insns to
2514 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2515 (emit_no_conflict_block): Likewise.
2517 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2519 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2521 2006-07-15 Roger Sayle <roger@eyesopen.com>
2523 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2524 a new NOP_EXPR case of the switch statement.
2526 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2529 * stor-layout.c (place_field): Take the bit field with
2530 an excessive size into account in the ms-bitfiled case.
2533 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2534 the previous bit field.
2536 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2539 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2541 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2543 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2544 signal frames correctly even when the signal was installed with
2547 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2549 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2550 (dbxout_function_end): Use local label LFBB. Remove hook
2552 (dbxout_source_line): Use local label LFBB.
2553 (dbxout_block): Likewise.
2554 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2555 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2556 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2557 and DBX_OUTPUT_NFUN.
2559 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2561 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2563 2006-07-13 Jan Hubicka <jh@suse.cz>
2565 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2567 * output.h (align_variable): Declare.
2568 * varasm.c (align_variable): Export.
2569 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2570 when basic block changed.
2572 2006-07-13 Nick Clifton <nickc@redhat.com>
2574 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2575 walking the LOG_LINKS chain.
2577 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2579 * doc/invoke.texi (C++ Dialect Options): Explain difference
2580 between -fvisibility-inlines-hidden and setting hidden
2581 visibility explicitly.
2583 2006-07-12 Eric Christopher <echristo@apple.com>
2585 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2586 (stmp-lipo): Depend on libgcc.a.
2588 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2590 * tree.c: Fix a comment typo.
2592 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2594 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2596 (umulhisi3_r): Likewise.
2598 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2601 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2602 x < 19, vs wchar_t support.
2604 2006-07-12 Nick Clifton <nickc@redhat.com>
2606 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2607 instead of -isa=sh4.
2609 2006-07-12 Mike Stump <mrs@apple.com>
2611 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2613 2006-07-10 Eric Christopher <echristo@apple.com>
2615 * config/t-slibgcc-darwin: Rewrite.
2617 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2620 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2623 2006-07-08 Matthias Klose <doko@debian.org>
2625 * doc/sourcebuild.texi: Fix typo.
2627 2006-07-07 Mike Stump <mrs@apple.com>
2629 * toplev.c (process_options): Don't give -ffunction-sections may
2630 affect debugging warning for Mach-O.
2632 2006-07-07 James E Wilson <wilson@specifix.com>
2634 * config/mips/mips.md (cpu): Add sb1a.
2635 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2636 addition to sb1. Adjust comments to clarify SB-1A differences from
2638 (ir_sb1a_load): New. Modify bypasses to use it.
2639 (ir_sb1a_simple_alu): Likewise.
2640 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2641 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2642 (mips_issue_rate): Add PROCESSOR_SB1A.
2643 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2644 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2645 (TARGET_SB1): Add PROCESSOR_SB1A check.
2646 (TUNE_SB1): Likewise.
2648 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2649 * config/mips/mips.c (mips_store_data_bypass_p): New.
2650 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2651 store_data_bypass_p.
2653 2006-07-08 Paul Brook <paul@codesourcery.com>
2656 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2658 2006-07-07 Richard Guenther <rguenther@suse.de>
2661 * tree.h (build_one_cst): Declare.
2662 * tree.c (build_one_cst): New function.
2663 * tree-ssa-math-opts.c (get_constant_one): Remove.
2664 (insert_reciprocals): Use build_one_cst.
2665 * fold-const.c (fold_plusminus_mult): Likewise.
2667 2006-07-07 Roger Sayle <roger@eyesopen.com>
2669 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2670 * cfgloopanal.c (dump_graph): Likewise.
2671 * dojump.c (discard_pending_stack_adjust): Likewise.
2672 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2674 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2675 * function.c (finalize_block_changes): Likewise.
2676 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2677 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2678 * rtl.c (dump_rtx_statistics): Likewise.
2679 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2681 * varray.c (dump_varray_statistics): Likewise.
2682 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2683 decode_decimal64, encode_decimal128, decode_decimal128,
2684 decimal_real_to_decimal): Likewise.
2686 2006-07-07 Richard Guenther <rguenther@suse.de>
2688 PR tree-optimization/28187
2689 * tree-vrp.c (vrp_operand_equal_p): New function.
2690 (vrp_bitmap_equal_p): Likewise.
2691 (update_value_range): Use them to compare old and new
2694 2006-07-06 Roger Sayle <roger@eyesopen.com>
2696 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2697 a default case to switch statement to silence compiler warnings.
2699 2006-07-06 Roger Sayle <roger@eyesopen.com>
2702 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2703 the configured assembler supports the x87's ffreep mnemonic.
2704 * configure: Regenerate.
2705 * config.in: Regenerate.
2707 * config/i386/i386.c (output_387_ffreep): New function.
2708 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2709 (output_387_reg_move): Likewise.
2711 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2713 Port to hosts whose 'sort' and 'tail' implementations
2714 treat operands with leading '+' as file names, as POSIX
2715 has required since 2001. However, make sure the code still
2716 works on pre-POSIX hosts.
2717 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2718 which says you should use "tail -c +N" rather than "tail +Nc".
2719 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2721 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2723 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2726 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2729 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2730 PRE_{INC,DEC} of TFmode.
2732 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2733 Alan Modra <amodra@bigpond.net.au>
2736 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2739 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2742 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2743 Remove duplicate gtu.
2745 2006-07-05 Jason Merrill <jason@redhat.com>
2749 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2750 * c-common.c (handle_packed_attribute): So don't copy it here.
2751 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2753 2006-07-05 Mike Stump <mrs@apple.com>
2755 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2757 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2760 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2762 2006-07-05 Richard Guenther <rguenther@suse.de>
2765 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2766 TARGET_SSE2 targets if using SSE math.
2767 (*absdf2_1): Likewise.
2769 2006-07-05 Richard Guenther <rguenther@suse.de>
2771 PR tree-optimization/28162
2772 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2773 make sure to convert the operands to the correct type.
2775 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2777 PR tree-optimization/28218
2779 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2780 to calculate and free the dominator information.
2782 2006-07-04 Peter O'Gorman <peter@pogma.com>
2784 * mklibgcc.in: chmod 644 before ranlib during install.
2786 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2787 J"orn Rennecke <joern.rennecke@st.com>
2789 * configure.ac (.eh_frame data check): Use diff -b.
2791 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2794 * Makefile.in (BUILD_RTL): Add build/vec.o.
2795 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2796 (build/genextract): Delete.
2797 (build/genautomata): Likewise.
2799 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2802 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2803 128-bit IBM long doubles for ABI_V4.
2805 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2807 * tree.c (range_in_array_bounds_p): New predicate.
2808 * tree.h (range_in_array_bounds_p): Declare it.
2809 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2810 return a less conservative answer.
2811 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2812 and flag 'is_group'.
2813 (IS_ELEMENT_FOR_GROUP): New macro.
2814 (FOR_EACH_ACTUAL_CHILD): Likewise.
2815 (next_child_for_group): New helper function.
2816 (can_completely_scalarize_p): Take into account groups.
2817 (sra_hash_tree): Handle RANGE_EXPR.
2818 (sra_elt_eq): Likewise.
2819 (lookup_element): Be prepared for handling groups.
2820 (is_valid_const_index): Delete.
2821 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2822 instead of is_valid_const_index.
2823 <ARRAY_RANGE_REF>: New case.
2824 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2825 is_valid_const_index.
2826 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2827 (scan_dump): Dump info for groups too.
2828 (decide_instantiation_1): Likewise.
2829 (decide_block_copy): Assert that the element is not a group.
2830 Propagate decision to groups.
2831 (generate_one_element_ref): Handle RANGE_EXPR.
2832 (mark_no_warning): Iterate over actual childs.
2833 (generate_copy_inout): Likewise.
2834 (generate_element_copy): Likewise.
2835 (generate_element_zero): Likewise.
2836 (generate_element_init_1): Likewise.
2837 (dump_sra_elt_name): Handle RANGE_EXPR.
2839 2006-07-03 Roger Sayle <roger@eyesopen.com>
2841 PR tree-optimization/26251
2842 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2843 (thread_block): When optimizing for size refuse to thread jumps
2844 that would require duplication of blocks other than redirection
2847 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2849 * configure.ac: Fix thinko in previous check-in.
2850 * configure: Regenerate.
2852 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2855 * configure.ac (for lang...): Simplify nesting of conditionals.
2856 Test subdir_requires for non-enabled languages. Move processing
2857 of lang_opt_files and lang_tree_fiels below that test.
2858 * configure: Regenerate.
2859 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2861 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2863 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2865 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2867 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2870 2006-06-29 Jason Merrill <jason@redhat.com>
2877 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2878 * c-common.c (c_determine_visibility): Handle it here.
2879 * c-decl.c (finish_decl): Call c_determine_visibility for
2881 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2883 * varasm.c (default_assemble_visibility): Likewise.
2884 * c-common.c (handle_visibility_attribute): Complain about trying
2885 to give visibility to an already defined class, or trying to change
2886 declared visibility. Always attach the attribute.
2891 * attribs.c (decl_attributes): Ignore type-in-place attributes
2892 once the type has been defined.
2894 2006-06-29 Roger Sayle <roger@eyesopen.com>
2897 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2898 to indicate the cpplib has issued an error message for us.
2900 2006-06-29 Asher Langton <langton2@llnl.gov>
2903 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2904 insert a label at the end of an function under Mach-O.
2906 2006-06-29 Eric Christopher <echristo@apple.com>
2907 Evan Cheng <evan.cheng@apple.com>
2909 * predicates.md (vector_all_ones_operand): New.
2910 (nonimmediate_or_sse_const_operand): Ditto.
2911 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2912 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2913 (standard_sse_mode_p): Ditto.
2914 (standard_sse_constant_p): Add case for -1 vector.
2915 (ix86_expand_vector_move): Try to use.
2916 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2917 Call standard_sse_constant_opcode.
2918 (*movv4sf_internal): Ditto.
2919 (*movv2df_internal): Ditto.
2921 2006-06-29 Roger Sayle <roger@eyesopen.com>
2923 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2924 of XEXP to extract the operands of a MATCH_CODE rtx.
2926 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2928 * tree.c (tree_size): Do not waste tail padding in
2929 struct tree_string and make the size be the same as
2930 build_string will generate.
2932 2006-06-28 Jason Merrill <jason@redhat.com>
2935 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2936 may_aliases already in the tag's annotations to the bitmap.
2938 2006-06-28 Roger Sayle <roger@eyesopen.com>
2940 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2942 2006-06-28 Roger Sayle <roger@eyesopen.com>
2944 * genpreds.c (generate_switch_p): New function.
2945 (add_mode_tests): Push the new mode test down inside an AND expr
2946 if this allows the switch-suitable MATCH_CODE to be near the root.
2947 (write_match_code_switch): New function to write a MATCH_CODE as
2949 (write_predicate_stmts): New function to write a predicate RTX
2950 expression as a sequence of statements.
2951 (write_one_predicate_function): Use write_predicate_stmts.
2952 (write_tm_constrs_h): Likewise.
2954 2006-06-26 Fred Fish <fnf@specifix.com>
2956 * config/mips/t-sb1: New file.
2957 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2960 2006-06-26 DJ Delorie <dj@redhat.com>
2962 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2964 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2965 Jayant Sonar <jayants@kpitcummins.com>
2966 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2968 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2969 (subsi3, subsi3_1, subsi3_2): New.
2970 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2971 * config/m32c/mov.md (SI mov peephole): New.
2972 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2973 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2975 2006-06-26 Olivier Hainque <hainque@adacore.com>
2977 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2978 a CALL_EXPR target function declaration.
2980 2006-06-26 Richard Guenther <rguenther@suse.de>
2982 * tree.c (build_string): Do not waste tail padding in
2985 2006-06-26 Richard Guenther <rguenther@suse.de>
2987 * ggc-page.c (init_ggc): Add missing element to size_lookup
2991 2006-06-23 Richard Guenther <rguenther@suse.de>
2993 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2994 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2995 alignment requests instead. Add verification code.
2996 Add struct tree_function_decl and struct tree_binfo size to
2997 extra_order_size_table. Add missing element to size_lookup
3000 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3003 * fold-const.c (const_binop): Be prepared for self returning zero.
3004 Simplify code handling complex values.
3006 2006-06-24 Olivier Hainque <hainque@adacore.com>
3008 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3009 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3012 2006-06-24 Olivier Hainque <hainque@adacore.com>
3014 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3015 ARRAY_REF, so have the callback called for the low bound expression.
3017 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3019 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3020 * c-typeck.c (c_common_type): Disallow operations on decimal float
3021 types and other float types.
3022 * convert.c (convert_to_real): Don't ignore conversions involving
3023 decimal float types.
3025 2006-06-23 Olivier Hainque <hainque@adacore.com>
3027 * tree.c (max_int_size_in_bytes): New function, inspired from
3028 code in function.c:assign_temp.
3029 * tree.h (max_int_size_in_bytes): Declare.
3030 * function.c (assign_temp): Use it.
3031 * gimplify.c (create_tmp_var): Relax the assertions on the type
3032 properties, not mandating constant size any more.
3033 (force_constant_size): New static function.
3034 (gimple_add_tmp_var): Use it, forcing variable size to a
3035 constant upper bound if it is not constant on entry.
3037 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3040 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3041 for initialization and setting of one_only flag to ...
3042 (i386_pe_encode_section_info): ...here.
3043 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3044 Recheck that the symbol has not been defined.
3046 2006-06-23 Richard Guenther <rguenther@suse.de>
3048 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3049 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3050 alignment requests instead. Add verification code.
3051 Add struct tree_function_decl and struct tree_binfo size to
3052 extra_order_size_table. Add missing element to size_lookup
3055 2006-06-22 Roger Sayle <roger@eyesopen.com>
3056 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3059 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3060 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3062 2006-06-23 Ben Elliston <bje@au.ibm.com>
3064 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3065 negate dn -- manipulate it directly.
3067 2006-06-22 Roger Sayle <roger@eyesopen.com>
3068 Steven Bosscher <stevenb.gcc@gmail.com>
3071 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3072 generated by gen_move_insn to add REG_LABEL notes if necessary.
3074 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3076 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3077 (leaf_entry): Remove use of MIN_ESA.
3079 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3081 PR rtl-optimization/28121
3082 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3085 2006-06-21 DJ Delorie <dj@redhat.com>
3087 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3089 (mulhisi3_r): Likewise.
3091 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3094 * coverage.c (coverage_counter_alloc): Leave the index type
3096 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3099 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3101 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3102 section from the "Options for Code Generation Conventions".
3104 2006-06-21 Richard Henderson <rth@redhat.com>
3108 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3110 (global_symbolic_operand): Allow weak symbols, even if local_p.
3112 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3114 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3115 (find_interesting_uses_address): Punt if above function returns true.
3117 2006-06-21 Richard Guenther <rguenther@suse.de>
3119 * configure: Regenerated.
3121 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3123 * config/mips/mips.c (function_arg): Where one part of a
3124 complex argument is in registers and the other part in the stack,
3125 return a REG not a PARALLEL.
3127 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3129 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3130 when cross-compiling. Do not substitute libstdcxx_incdir.
3131 * configure: Regenerated.
3133 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3135 * varasm.c (mergeable_string_section): Check for embedded NULs and
3136 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3137 rather than TREE_STRING_LENGTH bytes.
3139 2006-06-21 Richard Guenther <rguenther@suse.de>
3141 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3142 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3145 2006-06-21 Richrad Guenther <rguenther@suse.de>
3147 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3148 Limit iteration over the dominators.
3150 2006-06-20 Roger Sayle <roger@eyesopen.com>
3152 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3153 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3155 2006-06-20 Richard Guenther <rguenther@suse.de>
3156 Michael Matz <matz@suse.de>
3158 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3160 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3161 * et-forest.h (et_free_pools): Prototype new function.
3162 * et-forest.c (et_free_tree_force): Free parent occurrence.
3163 (et_free_pools): New function.
3164 * dominance.c (free_dominance_info): Free et-forest alloc
3167 2006-06-20 Roger Sayle <roger@eyesopen.com>
3169 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3170 integer modes, attempt to directly construct an integer constant.
3172 * fold-const.c (native_encode_vector): Determine the size of each
3173 element from the vector type instead of the first vector element.
3175 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3176 if all of its elements/components are constant.
3177 (build_constructor_from_list): Likewise.
3179 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3181 PR tree-optimization/27331
3182 * tree-data-ref.c (free_data_ref): New function.
3183 (create_data_ref): Fail if the data reference has unknown access
3185 (free_data_refs): Use free_data_ref.
3187 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3190 * tree-inline.c (setup_one_parameter): Strip useless
3191 type conversion before adding it to the IR.
3192 (declare_return_variable): Likewise.
3194 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3197 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3199 2006-06-19 Mike Stump <mrs@apple.com>
3201 * tree.c (variably_modified_type_p): VM arguments don't make the
3204 2006-06-19 Richard Guenther <rguenther@suse.de>
3206 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3207 type conversions after folding.
3209 2006-06-19 Richard Guenther <rguenther@suse.de>
3211 * ggc-page.c (extra_order_size_tab): Add entries with
3212 size of struct function and basic_block.
3213 (size_lookup): Extend to cover sizes up to 511.
3214 (ggc_alloc_stat): Adjust user.
3215 (ggc_pch_count_object): Likewise.
3216 (ggc_pch_alloc_object): Likewise.
3217 (ggc_pch_write_object): Likewise.
3219 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3221 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3222 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3225 2006-06-19 Denis Chertykov <denisc@overta.ru>
3227 * config/avr/libgcc.S : Correct my wrong previous commit.
3229 2006-06-19 Roger Sayle <roger@eyesopen.com>
3232 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3233 have stripped a SUBREG from the shift count, so we may need to
3234 convert_to_mode back to the type's mode before calling make_tree.
3235 Use new_amount instead of amount to avoid expanding a tree twice.
3237 2006-06-19 Richard Guenther <rguenther@suse.de>
3240 * fold-const.c (operand_equal_p): Check if the argument types
3241 have the same precision before stripping NOPs.
3243 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3245 Fix PR tree-optimization/27341
3246 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3248 * tree-complex.c (pass_lower_complex): Update SMT usage.
3250 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3252 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3253 Add a new alternative to the constraint strings. Add move of
3254 operand 1 to 3 to the splitter definition.
3255 ("doloop_si_long"): Second contraint alternative removed.
3257 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3259 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3260 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3262 (AVR_HAVE_MOVW) Define.
3263 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3264 (ASM_SPEC): Add avr25.
3265 (LINK_SPEC): Add avr25.
3266 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3267 (base_arch_s): Add new member 'have_movw_lpmx'.
3268 (avr_arch_types): Init 'have_movw_lpmx'.
3269 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3270 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3271 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3272 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3273 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3275 (avr_file_start): Do not output '.arh' derective.
3276 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3277 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3278 * config/avr/avr.md (mcu_enhanced): Delete.
3279 (mcu_have_movw): Define.
3280 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3281 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3282 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3283 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3284 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3285 attiny861 and at86rf401 devices.
3287 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3289 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3292 2006-06-17 Karl Berry <karl@gnu.org>
3294 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3295 doc/gccint.texi, doc/install.texi (@dircategory): Use
3296 "Software development" instead of "Programming", following
3297 the Free Software Directory.
3299 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3301 * config/i386/i386.c (legitimate_tls_address)
3302 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3303 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3304 (*tls_dynamic_gnu2_combine_64): Likewise.
3306 2006-06-16 Richard Guenther <rguenther@suse.de>
3309 * fold-const.c (negate_expr_p): Do not introduce undefined
3310 overflow in negating INTEGER_CSTs.
3311 (fold_negate_expr): Rename from negate_expr. Revert last
3312 change for folding BIT_NOT_EXPR. Change semantics to
3313 return NULL_TREE for non-simplified negations. Do not
3314 strip type conversions and unify type handling.
3315 (negate_expr): New function, wrap around fold_negate_expr
3316 but ensure building a tree always. Strip type conversions
3317 here, fold to result type.
3318 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3320 2006-06-16 Roger Sayle <roger@eyesopen.com>
3323 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3324 that (would) return their results in stack registers.
3326 2006-06-16 Michael Matz <matz@suse.de>
3327 Richard Guenther <rguenther@suse.de>
3329 * fold-const.c (fold_truthop): Only return new tree node if
3330 we canonicalized something.
3332 2006-06-16 Richard Guenther <rguenther@suse.de>
3334 * function.h (enum function_frequency): Move declaration
3335 out of struct function.
3336 (struct function): Move bool fields and the enum to the bitfield
3337 section. Reorder elements to avoid padding. Remove unused
3338 fields left over from the RTL inliner removal.
3339 * function.c (free_after_compilation): Do not zero removed fields.
3340 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3341 (ipa-type-escape.o): Likewise.
3343 2006-06-16 Richard Guenther <rguenther@suse.de>
3345 * cgraph.h (struct cgraph_local_info): Turn bool elements
3347 (struct cgraph_node): Likewise.
3348 (struct cgraph_varpool_node): Likewise.
3350 2006-06-15 Richard Guenther <rguenther@suse.de>
3352 * fold-const.c (fold_truth_not_expr): Rename from
3353 invert_truthvalue. Give it fold_* semantics to avoid
3355 (invert_truthvalue): New function. Wrapper around
3356 fold_truth_not_expr.
3357 (optimize_minmax_comparison): Avoid creating garbage.
3358 (fold_unary): Use fold_truth_not_expr for folding
3360 (fold_ternary): Replace uses of invert_truthvalue with
3361 fold_truth_not_expr where applicable.
3362 * tree.h (fold_truth_not_expr): Prototype.
3364 2006-06-16 Richard Guenther <rguenther@suse.de>
3366 PR tree-optimization/27781
3367 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3368 * ipa-pure-const.c (target.h): Include.
3369 (analyze_function): Do not analyze functions that do not
3372 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3375 * tree-dfa.c (referenced_vars_dup_list): Remove.
3376 (find_referenced_vars): Remove assert.
3377 (referenced_var_check_and_insert): Replace dup list with assert.
3378 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3379 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3381 2006-06-15 Richard Guenther <rguenther@suse.de>
3383 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3384 extra unused identifiers if not dumping.
3385 (create_variable_info_for): Likewise.
3387 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3389 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3390 (derive_constant_upper_bound): Derive more precise upper bound in
3391 common cases. Return type changed to double_int.
3392 (record_estimate): Reflect the changed return type of
3393 derive_constant_upper_bound.
3394 * double-int.c (double_int_zext, double_int_sext): Fix.
3396 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3398 * configure.ac (CFLAGS): Get them from the toplevel or from the
3399 configure invocation.
3400 * configure: Regenerate.
3401 * Makefile.in (CFLAGS): Substitute value provided by configure.
3403 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3406 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3407 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3408 rather than calling add_stmt on it.
3409 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3411 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3414 * reload1.c (reload): Remove registers returned by update_eliminables
3415 from used_spill_regs.
3417 2006-06-13 DJ Delorie <dj@redhat.com>
3419 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3421 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3423 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3424 html__strip_dir, html__mkdir_p. Enhance install-html target.
3425 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3426 * configure: Regenerate.
3428 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3430 * fold-const.c (fold_cond_expr_with_comparison): Check for
3431 Objective-C++ as language in deciding COND_EXPR transformation.
3433 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3436 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3437 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3438 * config/sh/lib1funcs.h (SL, SL1): Define.
3439 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3440 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3441 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3442 (OBJS_Os_4_200): New variable.
3443 ($(T)libgcc-Os-4-200.a): Use it.
3444 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3445 when dividing 1 and/or by 0.
3447 2006-06-13 Roger Sayle <roger@eyesopen.com>
3449 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3450 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3451 * configure: Regenerate.
3453 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3455 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3456 for real instruction.
3458 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3461 * haifa-sched.c (check_cfg): Handle special case.
3463 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3466 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3467 Add debug_info parameter. Chain the vars to the BLOCK instead
3468 of the BIND_EXPR if debug info are requested for them.
3469 (pop_gimplify_context): Adjust for above change.
3470 (gimple_add_tmp_var): Likewise.
3471 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3473 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3474 (convert_local_reference): Likewise.
3475 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3476 (finalize_nesting_tree_1): Request that debug info be emitted
3477 for debug_var_chain.
3479 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3481 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3482 for PR target/27863.
3484 2006-06-13 Richard Guenther <rguenther@suse.de>
3487 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3489 2006-06-13 Richard Guenther <rguenther@suse.de>
3491 PR tree-optimization/27830
3492 * tree-inline.c (copy_body_r): For copying the operand
3493 of an ADDR_EXPR make sure to fold &* afterwards.
3495 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3497 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3498 lvalues in the fb_none case with side-effects.
3500 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3502 * tree-flow.h: Remove the prototype for
3503 compute_phi_arg_on_exit.
3504 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3505 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3508 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3510 * builtins.c (expand_builtin_return_addr): Only use
3511 frame_pointer_rtx when count == 0 and we are expanding
3512 __builtin_return_address.
3514 2006-06-12 Fred Fish <fnf@specifix.com>
3516 * config/mips/mips.c (mips_file_start): Create special section
3517 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3519 2006-06-11 Eric Christopher <echristo@apple.com>
3522 * stor-layout.c (place_field): Remove check for
3523 remaining_in_alignment when aligning at the end of a run.
3525 2006-06-11 Eric Christopher <echristo@apple.com>
3528 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3531 2006-06-11 Roger Sayle <roger@eyesopen.com>
3534 Revert incorrect fix for PR target/27158
3535 2006-05-08 Roger Sayle <roger@eyesopen.com>
3536 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3537 of a reg_equiv_constant if the result is a legitimate constant.
3539 2006-06-11 Roger Sayle <roger@eyesopen.com>
3542 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3543 extract a CONST_VECTOR element and interpret it as an integer.
3544 (vspltis_constant): Use const_vector_elt_as_int instead of the
3545 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3546 * config/rs6000/predicates.md (easy_vector_const): Consider
3547 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3549 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3552 * stor-layout.c (update_alignment_for_field): Don't add extra
3553 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3556 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3558 * config/mips/t-rtems: Add EL/EB multilib variants.
3560 2006-06-09 Mike Stump <mrs@apple.com>
3562 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3564 2006-06-09 David Daney <ddaney@avtrex.com>
3566 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3568 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3570 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3572 2006-06-09 Richard Guenther <rguenther@suse.de>
3574 PR tree-optimization/26998
3575 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3576 of signed types, only TYPE_MIN_VALUE is special, but for both,
3577 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3578 in this case, as is -fwrapv.
3580 2006-06-08 Mike Stump <mrs@apple.com>
3583 * config/darwin.c (darwin_asm_output_anchor): Disable
3584 -fsection-anchors on darwin for now.
3585 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3586 * rs6000/rs6000.c (optimization_options): Likewise.
3588 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3591 * config/i386/i386.c (classify_argument): Skip fields with invalid
3594 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3596 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3597 (cse_insn): Likewise for the stack_pointer_rtx.
3599 2006-06-08 Roger Sayle <roger@eyesopen.com>
3601 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3602 conditions from floating point comparisons.
3604 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3607 * expmed.c (struct alg_hash_entry): Fix type of field T
3608 to match synth_mult argument.
3609 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3611 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3614 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3617 2006-06-08 Richard Guenther <rguenther@suse.de>
3620 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3621 only, if overflow is defined and not trapping.
3622 (negate_expr): Likewise.
3624 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3626 PR tree-optimization/27872
3627 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3628 flag on the new exit edge of the unrolled loop.
3630 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3632 PR rtl-optimization/26449
3633 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3635 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3638 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3639 referenced_variables with matching DECL_UID's.
3640 (find_referenced_vars): Make sure duplicate list is empty to start.
3641 (referenced_var_p): Remove.
3642 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3643 Check if var is in the list, and add if needed. Update the duplicate
3644 list if a different var is in the list with the same DECL_UID.
3645 (add_referenced_var): Call routine to check and insert.
3646 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3647 * tree-flow.h (referenced_vars_dup_list): External declaration.
3649 2006-06-07 Fred Fish <fnf@specifix.com>
3651 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3654 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3657 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3658 the imaginary and real parts of a clobbered register.
3659 Emit insn to set the imaginary part.
3661 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3663 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3664 in lieu of unwind-dw2-fde.c.
3666 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3668 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3670 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3673 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3674 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3675 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3676 V4SImode temporaries and operations instead.
3678 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3680 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3683 2006-06-06 Mike Stump <mrs@apple.com>
3685 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3686 installing during build.
3688 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3690 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3692 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3693 * config/ia64/ia64.c (params.h): New header.
3694 (ia64_optimization_options): New function to adjust parameters.
3695 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3696 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3697 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3699 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3701 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3703 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3706 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3708 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3709 Victor Kaplansky <victork@il.ibm.com>
3711 PR tree-optimization/26360
3712 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3715 2006-06-04 Roger Sayle <roger@eyesopen.com>
3716 Andrew Pinski <pinskia@physics.uc.edu>
3719 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3720 for LABEL_DECL before calling DECL_WEAK.
3723 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3724 LABEL_DECL and PARM_DECL.
3726 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3730 * c-decl.c (grokdeclarator): Disallow variably modified types at
3731 file scope. Avoid marking shared array type of constant size as
3734 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3737 * c-common.c (fold_offsetof_1): Handle static members.
3739 2006-06-04 Eric Christopher <echristo@apple.com>
3741 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3742 (debug_rli): Output value for remaining_in_alignment.
3743 (update_alignment_for_field): Unconditionalize
3744 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3745 extra alignment code.
3746 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3747 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3748 * tree.h (record_layout_info_s): Remove prev_packed.
3749 * doc/extend.texi (ms_struct): Add documentation of format.
3751 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3753 * tree.h: Declare folding_initializer.
3754 * builtins.c (fold_builtin_constant_p): Give definite answer
3755 if folding inside an initializer.
3756 * fold-const.c: Define folding_initializer.
3757 (START_FOLD_INIT): Save and then set folding_initializer.
3758 (END_FOLD_INIT): Restore folding_initializer.
3760 2006-06-04 Richard Guenther <rguenther@suse.de>
3762 PR tree-optimization/27039
3763 * fold-const.c (fold_comparison): Handle pointer comparison
3764 again for all comparison codes. Compare offsets in signed
3766 (fold_binary): Move code from here.
3768 2006-06-03 Roger Sayle <roger@eyesopen.com>
3771 * config/i386/i386.c (construct_container): Split static issued_error
3772 flag into issued_sse_arg_error, issued_sse_ret_error and
3773 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3774 requires the use of x87 registers and the user explicitly
3775 specified the -mno-80387 command line option.
3777 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3779 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3780 HAVE_DECL_SIGALTSTACK.
3782 (segv_handler): Use MC_FLD.
3783 * configure.ac: Check for a sigaltstack declaration.
3784 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3785 * configure: Regenerate.
3786 * config.in: Regenerate.
3788 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3791 * Makefile.in (stmp-fixinc): Fix typo.
3793 2006-06-02 Roger Sayle <roger@eyesopen.com>
3795 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3796 are type correct. Clean-up.
3797 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3798 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3800 2006-06-01 DJ Delorie <dj@redhat.com>
3802 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3803 shift, as we've disabled the "switch" insn that needs it.
3805 2006-06-01 Per Bothner <bothner@bothner.com>
3807 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3808 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3809 * c-ppoutput.c (cb_define): Don't increment line 0.
3811 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3813 * doc/invoke.texi: Add cpu_type power6.
3814 * config.gcc: Add cpu_type power6.
3815 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3816 to power5+ with Altivec.
3817 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3818 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3820 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3822 * config/avr/avr.h (SET_ASM_OP): Define.
3824 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3826 * config/bfin/bfin.c: Fix comment typos.
3828 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3831 * doc/install.texi: Document --enable-bootstrap and
3832 --disable-bootstrap.
3834 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3836 * doc/install.texi: Document that InfoZIP can replace jar.
3838 2006-05-31 Roger Sayle <roger@eyesopen.com>
3840 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3841 isn't available, directly generate the simpler x87 patterns without
3842 the (use (const_int 0)).
3843 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3844 implementation isn't available.
3845 (*negdf2_1): Likewise.
3846 (*negxf2_1): XF mode negation is always done using the x87.
3847 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3849 2006-05-31 Roger Sayle <roger@eyesopen.com>
3851 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3852 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3854 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3856 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3858 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3859 * config/bfin/bfin.c (basic-block.h): Include.
3860 (struct machine_function): New.
3861 (bfin_init_machine_status): New.
3862 (override_options): Initialize init_machine_status.
3863 (bfin_hardware_loop): New.
3864 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3865 (DEF_VEC_P (loop_info)): New.
3866 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3867 (struct loop_info): New.
3868 (loop_info): New typedef.
3869 (struct loop_work): New.
3870 (loop_work): New typedef.
3871 (DEF_VEC_O (loop_work)): New.
3872 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3873 (bfin_dump_loops): New.
3874 (bfin_bb_in_loop): New.
3875 (bfin_scan_loop): New.
3876 (bfin_optimize_loop): New.
3877 (bfin_reorg_loops): New.
3878 (bfin_reorg): Use bfin_reorg_loops.
3879 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3881 (I_REGNO_P): Simplify.
3882 (DP_REGNO_P, DPREG_P): New macros.
3883 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3884 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3885 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3886 Add LT_REGS, LC_REGS, LB_REGS.
3887 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3889 (REGNO_REG_CLASS): Deal with loop registers.
3890 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3892 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3893 New constants for loop registers.
3894 (UNSPEC_LSETUP_END): New.
3895 (seq_insns): New define_attr. Set it for appropriate insns.
3896 (movsi_insn): Add alternatives for move from/to
3897 loop count registers.
3898 (doloop_end): New define_expand.
3899 (loop_end): New define_insn.
3900 (define_split for bad doloop_end): New.
3901 (lsetup_with_autoinit): New define_insn.
3902 (lsetup_without_autoinit): New define_insn.
3903 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3904 * config/bfin/predicates.md (lc_register_operand): New.
3905 (lt_register_operand): New.
3906 (lb_register_operand): New.
3907 (nondp_register_operand): New.
3908 (nondp_reg_or_memory_operand): New.
3909 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3911 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3913 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3914 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3916 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3918 * Makefile.in (CATALOGS): Add po/ prefix.
3919 * configure: Regenerated.
3921 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3924 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3925 a shift operand before calling shift_op. Avoid redundant call of
3928 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3929 DJ Delorie <dj@redhat.com>
3931 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3932 we're inserting is a singlt-bit constant.
3934 2006-05-30 Roger Sayle <roger@eyesopen.com>
3936 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3937 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3939 2006-05-30 Roger Sayle <roger@eyesopen.com>
3941 PR tree-optimization/23452
3942 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3943 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3944 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3945 complex values and with -ffast-math for FP complex values.
3947 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3949 * c-common.h: Remove the prototype for yyparse.
3950 * rtl.h: Remove the prototype for init_loop.
3952 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3954 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3957 2006-05-30 Roger Sayle <roger@eyesopen.com>
3959 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3961 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3962 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3964 2006-05-30 Dirk Mueller <dmueller@suse.de>
3967 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3968 for CONSTANT_CLASS_P expresisons.
3970 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3973 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3975 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3977 PR tree-optimization/27779
3978 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3979 initial_condition instead of CHREC_LEFT.
3981 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3983 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3984 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3985 Make prototypes ISO C90.
3987 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3988 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3990 * see.c (see_analyze_one_def): Correct check.
3991 (see_get_extension_data): Check if extension is parallel.
3992 (see_get_extension_reg): Likewise.
3994 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3997 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3998 into register for (code == GTU).
4000 2006-05-29 Roger Sayle <roger@eyesopen.com>
4002 PR tree-optimization/24964
4003 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4004 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4005 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4006 abs(x)*abs(x) as x*x for scalar floating point modes.
4008 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4011 * lambda-code.c (perfect_nestify): Don't copy statements
4012 in the inner loop: move them to the inner loop header.
4014 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4017 * c-tree.texi: Document OpenMP directives and clauses.
4019 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4021 * varasm.c (globalize_decl): Fix indentation.
4023 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4026 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4027 pass_fre, pass_store_ccp, pass_copy_prop,
4028 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4029 pass_return_slot, pass_object_size, pass_lim,
4030 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4031 pass_loop_prefetch and pass_stdarg.
4033 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4035 * config/bfin/bfin.opt (mfdpic): New option.
4036 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4037 (EXTRA_MULTILIB_PARTS): Likewise.
4038 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4039 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4041 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4042 (CRT_CALL_STATIC_FUNCTION): New.
4043 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4045 (CRT_CALL_STATIC_FUNCTION): New.
4046 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4048 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4049 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4050 (initialize_trampoline): Changed to handle FD-PIC code generation.
4051 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4052 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4053 (override_options): Disallow -mid-shared-library -mfdpic combination.
4054 Can't do unaligned ops if FD-PIC.
4055 Turn off flag_pic if trying to generate non-id-shared-library
4056 non-fdpic code, since it's not supported.
4057 (bfin_assemble_integer): New function.
4058 (TARGET_ASM_INTEGER): Define.
4059 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4061 * config/bfin/crtn.s: Restore them.
4062 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4064 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4065 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4066 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4067 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4068 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4070 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4071 FDPIC_REGS and FDPIC_FPTR_REGS.
4072 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4073 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4074 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4075 (load_funcdescsi): New pattern.
4076 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4077 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4078 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4080 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4082 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4085 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4087 * tree-flow.h: Remove the prototype for add_type_alias.
4088 * tree-ssa-alias.c (add_type_alias): Remove.
4090 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4092 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4093 config/fr30/fr30.md, config/i386/i386-interix.h,
4094 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4095 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4096 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4097 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4098 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4099 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4100 Follow spelling conventions.
4101 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4102 Follow spelling conventions.
4104 2006-05-27 Richard Guenther <rguenther@suse.de>
4107 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4108 to produce a constant of value 1 of generic type.
4110 2006-05-27 Dirk Mueller <dmueller@suse.de>
4112 * cgraphunit.c (decide_is_function_needed): Fix wrong
4115 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4117 PR rtl-optimization/27661
4118 * reload.c (find_reloads): When reloading a VOIDmode constant
4119 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4120 use Pmode as mode of the reload register.
4122 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4124 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4125 is enabled at -O and above.
4127 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4130 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4133 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4136 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4137 for anonymous variables explicitly declared by front ends.
4139 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4141 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4142 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4143 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4144 ref-all pointers, run a finalization pass for them.
4145 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4146 (finalize_ref_all_pointers): New function.
4147 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4148 regular pointer type to a ref-all pointer type.
4149 (get_tmt_for): Return the special memory tag for ref-all pointers.
4151 2006-05-25 Richard Guenther <rguenther@suse.de>
4154 * fold-const.c (fold_binary): Do not look at the stripped
4155 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4157 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4159 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4160 for LT and GT if the computed range is effectively empty.
4162 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4165 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4166 mips_quad_format formats instead of ieee_single_format,
4167 ieee_double_format and ieee_quad_format formats, respectively.
4169 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4171 PR tree-optimization/27639
4172 PR tree-optimization/26719
4173 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4174 call to scev_probably_wraps_p.
4175 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4176 used_in_pointer_arithmetic_p, convert_step): Removed.
4177 (nowrap_type_p): New function.
4178 (scev_probably_wraps_p): Rewritten.
4179 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4180 chrec_convert if chrec_convert_aggressive might have been used.
4181 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4182 scev_direction): New functions.
4183 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4184 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4185 instead of convert_step.
4186 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4187 (convert_step): Declaration removed.
4188 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4190 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4192 * df-core.c: Added to header comments.
4193 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4194 df_ur_bb_info, df_urec_bb_info): Added comments.
4195 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4196 urec, ri problems): Fixed header comments.
4197 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4198 code from df_rd_transfer_function.
4200 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4202 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4203 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4204 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4206 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4208 * expr.c (undefined_operand_subword_p): New.
4209 (emit_move_multi_word): Do not generate move from undefined bits
4210 of a paradoxical subreg.
4212 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4214 PR rtl-optimization/27736
4215 * combine.c (replaced_rhs_value): New variable.
4216 (combine_instructions): Set it.
4217 (distribute_notes): When distributing a note in replaced_rhs_insn,
4218 check whether the value was used in replaced_rhs_value.
4220 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4223 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4224 add_referenced_var instead of add_referenced_tmp_var.
4225 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4226 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4228 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4229 tree_optimize_tail_calls_1): Use add_referenced_var.
4230 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4231 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4232 Use add_referenced_var.
4233 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4234 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4235 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4236 Use add_referenced_var.
4237 * tree-dfa.c (struct walk_state): Remove.
4238 (find_referenced_vars): Remove walk state and vars_found hash table.
4239 (make_rename_temp): Use add_referenced_var.
4240 (find_vars_r): Pass less parameters to add_referenced_var.
4241 (referenced_var_p): New. Is var in referenced_var hash table.
4242 (referenced_var_insert): Assert var isn't already in hash table.
4243 (add_referenced_var): Don't need walk_state parameter. Add var if it
4244 isn't already in the hash table.
4245 (add_referenced_tmp_var): Remove.
4246 (find_new_referenced_vars_1): Use add_referenced_var.
4247 * tree-ssa-pre.c (create_expression_by_pieces,
4248 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4249 Use add_referenced_var.
4250 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4251 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4252 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4254 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4255 vect_create_data_ref_ptr, vect_create_destination_var,
4256 vect_init_vector, vect_build_loop_niters,
4257 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4258 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4259 Use add_referenced_var.
4260 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4261 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4262 (add_referenced_var): Add prototype.
4263 * tree-ssa-structalias.c (get_constraint_for,
4264 intra_create_variable_infos): Use add_referenced_var.
4266 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4268 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4269 big-endian paradoxical subregs.
4270 * var-tracking.c (struct micro_operation_def): Document that,
4271 for modify micro operations, insn is the subsequent instruction.
4272 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4273 (var_reg_set, var_mem_set): ... new functions.
4274 (add_stores): Record subsequent insn.
4275 (compute_bb_dataflow): Use new functions for MO_USE.
4276 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4277 notes after the insn, and modify notes before the insn known
4278 to be the subsequent one.
4279 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4281 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4284 * config/i386/i386.c (ix86_expand_builtin): Use
4285 gen_sse3_monitor64 for TARGET_64BIT.
4287 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4289 PR rtl-optimization/26375
4290 PR rtl-optimization/26855
4291 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4293 (df_ru_bb_local_compute): Reversed statements and removed bogus
4294 comment explaining why they should be in wrong order.
4295 (df_ru_dump, df_rd_dump): Enhanced debug info.
4296 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4298 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4299 reaching uses and fixed space problem.
4301 2006-05-23 Jan Hubicka <jh@suse.cz>
4303 * cgraphunit.c (decide_is_function_needed): Also nested functions
4304 and functions declared inline can be optimized out at -O0.
4306 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4308 * doc/install.texi (Configuration): Remove reference to CrossGCC
4312 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4315 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4316 ix86_compare_emitted is non-NULL.
4318 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4321 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4324 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4326 PR rtl-optimization/25514
4327 * combine.c (replaced_rhs_insn): New variable.
4328 (combine_instructions): Set replaced_rhs_insn when trying to replace
4329 a SET_SRC with a REG_EQUAL note.
4330 (distribute_notes): Use replaced_rhs_insn when determining the live
4331 range of a REG_DEAD register.
4333 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4334 Anatoly Sokolov <aesok@post.ru>
4336 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4337 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4338 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4339 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4340 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4341 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4342 at90usb647, at90usb1286 and at90usb1287 devices.
4343 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4344 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4346 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4348 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4350 2006-05-22 Richard Guenther <rguenther@suse.de>
4353 2006-01-31 Richard Guenther <rguenther@suse.de>
4354 Paolo Bonzini <bonzini@gnu.org>
4356 * doc/install.texi (--disable-libgcc-math): Document.
4358 2006-05-22 Richard Guenther <rguenther@suse.de>
4361 2006-01-31 Richard Guenther <rguenther@suse.de>
4363 * doc/invoke.texi (-msselibm): Document.
4364 * target.h (expand_library_builtin): New target hook.
4365 * builtins.c (expand_builtin): Use expand_library_builtin.
4366 (default_expand_library_builtin): New function.
4367 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4368 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4369 (link_gcc_math_spec): Declare.
4370 (static_specs): Add link_gcc_math_spec.
4371 * expr.h (default_expand_library_builtin): Declare.
4372 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4373 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4374 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4375 * config/i386/i386.opt (msselibm): New target option.
4376 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4377 (ix86_init_sse_abi_builtins): New function.
4378 (ix86_expand_library_builtin): Likewise.
4379 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4380 (override_options): Handle error conditions wrt -msselibm.
4381 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4382 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4383 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4386 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4389 * c-common.c (self_promoting_args_p): Skip erroneous args.
4392 * c-decl.c (finish_struct): Skip erroneous fields.
4394 2006-05-22 Nick Clifton <nickc@redhat.com>
4396 * config/cris/cris.opt (march): Remove VarExists attribute.
4397 (max-stackframe=): Likewise.
4399 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4401 * doc/rtl.texi: Fix a typo.
4402 * see.c: Fix comment typos.
4404 * tree-ssa-structalias.h (alias_info): Remove num_references.
4406 2006-05-21 Mike Stump <mrs@apple.com>
4408 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4410 (darwin_pragma_options): Use BAD instead.
4411 (darwin_pragma_unused): Likewise.
4412 (darwin_pragma_ms_struct): Likewise.
4414 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4416 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4418 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4420 PR rtl-optimization/27671
4421 * simplify-rtx.c (simplify_relational_operation_1): Fix
4422 simplifications of (eq/ne (xor x y) y) and
4423 (eq/ne (xor x y) x).
4425 PR tree-optimization/26622.
4426 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4429 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4431 * tree-cfg.c: Prune whitespace.
4432 (debug_tree_cfg): Point to correct header containing the
4435 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4438 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4440 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4443 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4444 or sorry count is non zero.
4446 2006-05-20 Andreas Schwab <schwab@suse.de>
4448 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4450 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4451 Kenneth Zadeck <zadeck@naturalbridge.com>
4453 PR rtl-optimization/26855
4455 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4457 (df_scan_alloc): Added code to properly handle multiword hard
4458 registers and add all_blocks parameter.
4459 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4460 code to properly handle multiword hard registers.
4461 (df_rescan_blocks): Added code to remove deleted blocks from
4463 (df_ref_create_structure, df_ref_record): Added code to properly
4465 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4466 and set DF_REF_PARTIAL.
4467 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4468 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4469 (df_scan_add_problem): Added flags parameter.
4470 (df_ref_create_structure): Changed switching structure.
4471 (df_bb_refs_record): Fixed case where duplicate artificial refs
4472 were created. Changed location of flags.
4473 (df_record_entry_block_defs): Added code to make stack pointer
4474 live in entry block. Refined cases where frame pointer is needed.
4475 Changed location of flags.
4476 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4477 (df_set_state): Removed function.
4478 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4479 df_insn_create_insn_record, df_insn_refs_delete,
4480 df_ref_create_structure): Formatting changes.
4481 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4482 df_delete_basic_block): New function.
4483 (df_init): Changed location of flags.
4484 (df_add_problem): Added flags parameter and the way flags are
4486 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4487 debug_df_chain): Improved debugging output.
4488 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4489 (df_refs_chain_dump): Removed df parameter.
4490 (df_iterative_dataflow): Added consistency check.
4491 (df_prune_to_subcfg): Made public.
4492 (df_analyze_problem): Added blocks_to_init parameter and made
4494 (df_ref_record, df_bb_refs_record, df_mark_reg,
4495 df_record_exit_block_uses): Whitespace changes.
4496 (df_dump): Whitespace changes.
4497 * df.h: Some reordering to remove forward references.
4498 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4499 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4500 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4501 (dataflow.flags): New field.
4502 (df.flag): Deleted field.
4503 (df_alloc_function): Added additional bitmap parameter.
4504 (df_dependent_problem_function): New type.
4505 (df_problem.changeable_flags): New field.
4506 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4507 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4508 (df_mw_hardreg): New struct.
4509 (DF_INSN_UID_MWS): New macro.
4510 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4512 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4513 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4514 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4515 (df_set_state): Removed function.
4516 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4517 * df-problems.c (df_chain_dump): Removed df parameter.
4518 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4519 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4521 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4522 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4523 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4524 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4525 DF_REF_MUST_CLOBBER cases.
4526 (df_ru_bb_local_compute_process_def,
4527 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4528 df_lr_bb_local_compute, df_ur_bb_local_compute,
4529 df_chain_create_bb): Made subreg aware.
4530 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4531 df_lr_bb_local_compute, df_lr_bb_local_compute,
4532 df_chain_create_bb): Cleanup to use proper macros.
4533 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4534 code to fixup bitvectors.
4535 (df_ri_alloc): Cleared lifetime.
4536 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4537 df_create_unused_note): New function.
4538 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4539 REG_DEAD and REG_UNUSED notes as well as register information.
4540 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4541 df_chains_dump): Fixed crash if problem was never run.
4542 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4543 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4544 df_ri_add_problem): Processes flags in uniform manner.
4545 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4546 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4547 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4548 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4549 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4550 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4551 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4552 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4553 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4554 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4555 * see.c (see_initialize_data): Ditto.
4556 * final.c (rest_of_clean_state) Added regstack_completed.
4557 * rtl.h (regstack_completed): Ditto.
4558 * reg-stack.c (regstack_completed): Ditto.
4560 2006-05-19 Mike Stump <mrs@apple.com>
4562 * c-tree.h (default_conversion): Remove.
4563 * c-common.h (default_conversion): Add.
4565 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4567 * tree-vrp.c (valid_value_p): New function.
4568 (adjust_range_with_scev): Fail if the value of bound is not
4571 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4573 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4574 (mips_fallback_frame_state): Use syscall numbers to determine
4575 the appropriate li instruction for the current ABI. Only use
4576 __NR_sigreturn for o32.
4578 2006-05-19 Nicolas Setton <setton@adacore.com>
4580 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4581 * langhooks.c (lhd_dwarf_name): New function.
4582 * langhooks-def.h (lhd_dwarf_name): Declare.
4583 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4584 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4585 * ada/misc.c (gnat_dwarf_name): New function.
4586 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4588 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4590 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4592 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4593 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4594 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4595 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4596 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4597 determine the size of Wtype, etc.
4598 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4599 (swfloatfuncs): New variable.
4600 (dwfloatfuncs): Likewise.
4601 (lib2funcs): Remove floating-point conversion functions from
4602 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4603 the set of conversion routines needed. Allow entries to specify
4604 an object name, filename and word size. Update users accordingly.
4605 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4606 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4610 2006-02-08 Roger Sayle <roger@eyesopen.com>
4613 * config/fixtfdi.c: New libgcc source file.
4614 * config/fixunstfdi.c: New source file.
4615 * config/floatditf.c: New source file.
4616 * config/floatunditf.c: New souce file.
4617 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4618 files above instead of config/mips/_tilib.c.
4619 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4621 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4623 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4624 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4626 2006-05-18 Mike Stump <mrs@apple.com>
4628 Fix up vla, vm and [*] sematics.
4634 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4635 (c_vla_unspec_p): Add.
4636 (c_vla_type_p): Add.
4637 * c-decl.c (struct c_scope): Add had_vla_unspec.
4638 (build_array_declarator): Add support for [*].
4639 (grokdeclarator): Likewise.
4640 (grokparms): Likewise.
4641 (get_parm_info): Likewise.
4642 * c-objc-common.c (c_vla_unspec_p): Likewise.
4643 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4644 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4645 typeof when argument is a variably modified type not inside sizeof or alignof.
4646 (c_parser_direct_declarator_inner): Propagate errors.
4647 (c_parser_sizeof_expression): Add support for [*].
4648 (c_parser_parms_declarator): Initialize had_vla_unspec.
4649 (c_parser_parms_list_declarator): Likewise.
4650 * c-typeck.c (c_vla_type_p): Add.
4651 (composite_type): Add support for vla compositing.
4652 (comptypes_internal): Add support for vla compatibility.
4653 (c_expr_sizeof_expr): Evaluate vla arguments.
4654 * tree.c (variably_modified_type_p): Update comment for [*].
4656 2006-05-18 Michael Matz <matz@suse.de>
4659 * config.host: Make assignments to host_xmake_file cumulative.
4660 * config.host (*-darwin*): Test $host, not $target.
4662 2006-05-12 Stuart Hastings <stuart@apple.com>
4664 * config/i386/i386.opt (-mstackrealign): New flag.
4665 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4666 (ix86_handle_cconv_attribute): Emit error when
4667 force_align_arg_pointer attribute collides with too many regparms.
4668 (ix86_function_regparm): Limit regparms when used with
4669 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4670 Support stack-realigning prologue in non-main functions. Emit
4671 warning for nested functions under -mstackrealign, emit error for
4672 nested functions with force_align_arg_pointer attribute.
4673 * doc/extend.texi (force_align_arg_pointer): Document it.
4674 * doc/invoke.texi (-mstackrealign): Document it.
4676 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4678 PR rtl-optimization/27477
4679 * combine.c (try_combine): Don't split a parallel consisting
4680 of two sets into two individual sets if both sets reference
4683 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4685 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4686 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4688 * doc/options.texi (VarExists): Updated.
4690 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4692 * unwind-dw2.c: Add declarations for uw_update_context and
4694 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4695 detected, advance frame state and context once to skip over stub.
4697 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4701 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4702 Call rewrite_into_loop_closed_ssa only when something changed.
4703 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4704 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4705 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4706 Test for perfect_nest_p here. Fix formating.
4707 (replace_uses_equiv_to_x_with_y): Fix formating.
4708 (stmt_uses_op): Removed.
4709 (can_convert_to_perfect_nest): Removed loopivs parameter.
4710 Complete the test by checking the scalar dependences.
4711 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4714 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4717 From Dan Kegel <dank@kegel.com>:
4718 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4720 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4722 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4723 if the element type is variably modified without recursing.
4725 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4728 * tree-loop-linear.c (try_interchange_loops): Test for
4729 no data dependences.
4731 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4733 PR tree-optimization/27548
4734 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4735 range of ssa names that appear on abnormal edges.
4736 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4737 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4739 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4742 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4744 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4747 * tree.h (OMP_PARALLEL_COMBINED): Define.
4748 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4749 (new_omp_context): Add is_combined_parallel argument.
4750 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4751 new_omp_context caller.
4752 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4753 Adjust gimplify_scan_omp_clauses callers.
4754 (omp_is_private): Issue errors if iteration variable is firstprivate
4755 or reduction in the current context.
4756 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4757 on combined parallel workshare constructs.
4759 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4761 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4762 (gcc-options.o): New rule.
4764 * optc-gen.awk: Protect variables for gcc-options.o with
4765 #ifdef GCC_DRIVER/#endif.
4767 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4769 Fix PR tree-optimization/27373
4770 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4771 (forward_propagate_addr_expr): Update call.
4773 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4775 * doc/options.texi: Move the Negative option.
4777 2006-05-16 Richard Guenther <rguenther@suse.de>
4779 PR tree-optimization/22303
4780 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4782 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4783 ccp_fold did not simplify the statement.
4785 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4788 * Makefile.in (GCC_OBJS): New.
4789 (OBJS-common): Add opts-common.o.
4790 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4791 (cpp$(exeext)): Likewise.
4792 (gcc.o): Also depend on opts.h.
4793 (opts-common.o): New.
4795 * common.opt (gcoff): Add Negative(gdwarf-2).
4796 (gdwarf-2): Add Negative(gstabs).
4797 (gstabs): Add Negative(gstabs+).
4798 (gstabs+): Add Negative(gvms).
4799 (gvms): Add Negative(gxcoff).
4800 (gxcoff): Add Negative(gxcoff+).
4801 (gxcoff+): Add Negative(gcoff).
4802 * config/i386/i386.opt (m32): Add Negative(m64).
4803 (m64): Add Negative(m32).
4805 * doc/options.texi: Document the Negative option.
4807 * gcc.c: Include "opts.h".
4808 (main): Call prune_options after expandargv.
4810 * optc-gen.awk: Generate common declarations for all flag
4811 variables in options.c. Output the neg_index field.
4813 * opts.c (find_opt): Moved to ...
4814 * opts-common.c: Here. New file.
4816 * opts.h (cl_option): Add a neg_index field.
4818 (prune_options): Likewise.
4820 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4823 * omp-low.c (expand_omp_parallel): Don't assert
4824 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4825 instead search for it.
4828 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4831 2006-05-16 Andreas Schwab <schwab@suse.de>
4833 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4836 2006-05-15 Roger Sayle <roger@eyesopen.com>
4839 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4840 integer constants other than zero are only legitimate on TARGET_64BIT.
4841 <CONST_VECTOR> Only zero vectors are legitimate.
4842 (ix86_cannot_force_const_mem): Integral and vector constants can
4843 always be put in the constant pool.
4845 2006-05-16 DJ Delorie <dj@redhat.com>
4847 * crtstuff.c (__dso_handle): Set section from
4848 TARGET_LBIGCC_SDATA_SECTION if defined.
4849 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4850 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4852 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4855 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4858 2006-05-16 Ben Elliston <bje@au.ibm.com>
4860 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4862 2006-05-15 Per Bothner <per@bothner.com>
4864 * tree.c: (last_annotated_node): Use source_locus typedef.
4865 This permits bootstrapping with --enable-mapped-location.
4867 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4869 PR tree-optimization/26830
4870 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4871 (info_for_ssa_name, current_info_for_ssa_name_age,
4872 blocks_to_update): New variables.
4873 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4874 (clear_ssa_name_info, initialize_flags_in_bb,
4875 mark_block_for_update): New functions.
4876 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4877 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4878 prepare_def_site_for): Use mark_block_for_update.
4879 (mark_def_interesting): Assert that the processed block is marked in
4880 blocks_to_update. Do not take blocks argument.
4881 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4883 (rewrite_update_init_block, rewrite_update_stmt): Only process
4884 blocks with statements to rewrite.
4885 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4886 (update_ssa): Initialize and free blocks_to_update. Do not
4887 clear flags on statements. Do not use blocks bitmap.
4888 * tree.h (SSA_NAME_AUX): Removed.
4889 (struct tree_ssa_name): Removed aux field.
4890 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4892 2006-05-15 Richard Guenther <rguenther@suse.de>
4894 PR tree-optimization/27603
4895 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4896 Do computations in original type.
4898 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4900 * see.c: Code style changes such as redundant paranthesis,
4901 redundant intialization of local variables etc.
4902 (see_main): Declared now as static.
4903 * doc/invoke.texi: Update that -fsee is not enabled by
4906 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4908 * omp-low.c (check_omp_nesting_restrictions): New function.
4909 (scan_omp_1): Call it.
4912 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4913 construct, return *VAR.
4915 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4917 PR rtl-optimization/27406
4918 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4921 2006-05-14 Roger Sayle <roger@eyesopen.com>
4923 PR rtl-optimization/27538
4924 * combine.c (expand_compound_operation): Call gen_lowpart
4925 before calling simplify_shift_const.
4927 2006-05-14 Roger Sayle <roger@eyesopen.com>
4929 PR rtl-optimization/22563
4930 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4931 a fixed width bitfield, always force the intermediates into psuedos.
4933 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4936 * mkconfig.sh: Use operator = instead of == for test.
4938 2006-05-13 Nick Clifton <nickc@redhat.com>
4940 * dwarf2out.c (dbx_reg_number): Check return value from
4941 LEAF_REG_REMAP and only use it if it is valid.
4942 (multiple_reg_loc_descriptor): Likewise.
4944 2006-05-13 Richard Guenther <rguenther@suse.de>
4946 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4949 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4951 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4952 information attached to non-INSNs such as NOTEs.
4953 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4955 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4957 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4959 * config/s390/s390.md: Adjust comment describing On constraint.
4961 2006-05-11 Jan Hubicka <jh@suse.cz>
4963 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4964 to be output at -O0.
4966 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4969 * fold-const.c (size_binop): Move sanity check for arguments to
4970 the beginning of the function.
4973 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4976 2006-05-11 Richard Guenther <rguenther@suse.de>
4979 * fold-const.c (fold_unary): Handle intermediate conversion
4980 to a pointer type like intermediate conversion to an integer
4981 type in folding of (T1)(T2)var to var.
4982 Match the code to the comment in the final conversion for
4983 (T1)(T2)var to (T1)var regarding to type precision. Rather
4984 than disallow T1 being of pointer type, assert that both T1
4985 and var are of pointer type or not. Make sure not to fall
4986 over the frontends lazyness wrt array to pointer decay though.
4988 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4990 * arm.c (arm_struct_value_rtx): Delete.
4991 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4992 (arm_init_cumulative_args): Always initialize nregs to zero.
4994 2006-05-10 Richard Guenther <rguenther@suse.de>
4996 PR tree-optimization/27532
4997 * tree-object-size.c (plus_expr_object_size): Fix typo.
4999 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5002 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5003 ashrdi_const, ashrdi3): Use a scratch register.
5005 2006-05-10 Richard Guenther <rguenther@suse.de>
5007 PR tree-optimization/27302
5008 * fold-const.c (operand_equal_p): For two comparisons,
5009 try comparison of one comparison code swapped if that yields
5012 2006-05-10 Ben Elliston <bje@au.ibm.com>
5014 * tree-pretty-print.c (pretty_print_string): No need to handle
5015 '\0' as a special character.
5017 * tree.h: Include "hashtab.h".
5018 (iterative_hash_expr): Use hashval_t in its prototype.
5019 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5021 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5024 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5025 (hppa*64*-*-hpux11*): Ditto.
5026 (hppa[12]*-*-hpux11*): Ditto.
5028 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5031 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5033 2006-05-09 Michael Matz <matz@suse.de>
5035 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5036 host_extra_gcc_objs and host_xmake_file.
5037 (<*-*-linux*>): Don't overwrite host_xmake_file.
5038 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5039 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5040 (host_detect_local_cpu): Declare.
5041 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5042 * config/i386/i386.c (override_options): Handle -mtune=native
5044 * config/i386/x-i386: New file.
5045 * config/i386/driver-i386.c: New file.
5046 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5049 2006-05-09 Dirk Mueller <dmueller@suse.de>
5050 Richard Guenther <rguenther@suse.de>
5053 * fold-const.c (fold_read_from_constant_string): Relax check
5054 for matching types to matching modes.
5056 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5058 PR rtl-optimization/27335
5059 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5062 2006-05-08 Chao-ying Fu <fu@mips.com>
5063 Richard Sandiford <richard@codesourcery.com>
5065 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5066 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5067 * config/mips/mips.md (UNSPEC_SCC): New constant.
5068 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5069 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5070 (mips_emit_compare): Use it.
5071 (mips_expand_vcondv2sf): New function.
5073 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5075 Fix PR tree-optimization/27093
5076 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5077 renaming when they become not-used_alone.
5079 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5081 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5082 relocation and relocation stubs.
5084 2006-05-08 Eric Christopher <echristo@apple.com>
5086 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5089 2006-05-08 Jan Hubicka <jh@suse.cz>
5092 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5093 unused static functions are needed.
5095 2006-05-08 Roger Sayle <roger@eyesopen.com>
5098 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5099 of a reg_equiv_constant if the result is a legitimate constant.
5101 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5104 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5105 standard 80387 constants, raise the cost to prevent
5106 compress_float_constant() to generate load from memory.
5108 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5110 * config/arm/constraints.md (c): Fix a typo.
5112 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5115 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5118 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5120 (_mm_mwait): Likewise.
5122 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5124 (sse3_monitor): Make it 32bit only.
5125 (sse3_monitor64): New. 64bit monitor.
5127 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5130 * config/i386/i386.c (classify_argument): Skip fields with invalid
5133 2006-05-07 Richard Guenther <rguenther@suse.de>
5135 PR tree-optimization/27409
5136 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5137 Do not try to find zero-sized subvars.
5139 2006-05-07 Richard Guenther <rguenther@suse.de>
5141 PR tree-optimization/27136
5142 * tree-ssa-loop-niter.c (get_val_for): Correct function
5143 comment, assert requirements.
5144 (loop_niter_by_eval): Stop processing if the iterated
5145 value did not simplify.
5147 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5149 * opts.c (flag_see): remove its setting at -O3.
5151 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5153 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5154 * arm/constraints.md: New file.
5155 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5156 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5157 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5158 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5159 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5160 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5161 * arm.md: Include constraints.md.
5162 (thumb_movsi_insn): Use satisfies_constraint_J.
5163 (movhi, movqi): Use satisfies_constraint_I.
5165 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5167 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5168 for atmeg a645 device.
5170 2006-05-06 Richard Guenther <rguenther@suse.de>
5172 PR tree-optimization/27151
5173 * tree-vect-transform.c (vectorizable_condition): Punt on
5174 values that have a different type than the condition.
5176 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5179 * c-parser.c (c_parser_cast_expression): Only insert casts into
5180 hash table if pointer.
5181 * function.c (used_types_insert_helper): Rename from
5183 (used_types_insert): Call used_types_insert_helper.
5184 * function.h (used_types_insert): Accept only one argument.
5186 2006-05-05 David Edelsohn <edesohn@gnu.org>
5188 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5189 scratch with output modifier.
5191 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5194 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5195 with output modifier.
5197 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5200 * config/mips/mips.c (mips_symbolic_address_p): Return true
5201 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5202 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5204 2006-05-04 Richard Guenther <rguenther@suse.de>
5206 PR tree-optimization/14287
5207 PR tree-optimization/14844
5208 PR tree-optimization/19792
5209 PR tree-optimization/21608
5210 PR tree-optimization/27090
5211 * tree-ssa-pre.c (try_combine_conversion): New function.
5212 (compute_avail): After constructing the value-handle
5213 expression, use try_combine_conversion to combine NOP_EXPRs
5214 with previous value-handle expressions and use the result if it
5217 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5219 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5221 2006-05-04 Jan Hubicka <jh@suse.cz>
5224 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5226 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5228 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5229 that this only matches CONST_INTs. All users changed to VOIDmode
5232 * config/bfin/bfin.c: Include "optabs.h".
5233 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5235 (enum bfin_builtins): Add a number of fractional and vector builtins.
5236 (bfin_init_builtins): Likewise.
5237 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5238 (safe_vector_operand, bfin_expand_binop_builtin,
5239 bfin_expand_unop_builtin): New functions.
5240 (bfin_expand_builtin): Handle the new builtins.
5241 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5244 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5247 * Makefile.in (OBJS-common): Add see.o.
5248 (see.o): Add dependencies.
5249 * common.opt (fsee): New flag for the see optimization was added.
5250 * opts.c (flag_see): Initialized.
5251 * passes.c (init_optimization_passes, pass_see): New pass.
5252 * rtl.h (see_main): Declaration as extern.
5253 * timevar.def (TV_SEE): New.
5254 * tree-pass.h (pass_see): Declaration as extern.
5255 * invoke.texi (-fsee): Document.
5256 * recog.c (validate_simplify_insn): New function.
5257 * recog.h (validate_simplify_insn): Declaration as extern.
5258 * df-problems.c (df_chain_dump): Check for NULL.
5260 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5261 Daniel Berlin <dberlin@dberlin.org>
5263 * cfgrtl.c (insert_insn_bb_end_new): New function.
5264 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5266 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5268 * df.h (struct web_entry): Moved from web.c.
5269 (union_defs): Declaration as extern.
5270 (unionfind_root): Likewise.
5271 (unionfind_union): Likewise.
5272 * web.c (struct web_entry): Moved to df.h.
5273 (unionfind_root): Remove static declaration.
5274 (unionfind_union): Likewise.
5275 (union_defs): Likewise and generalize to use callback function.
5276 (web_main): Update arguments for union_defs function call.
5278 2006-05-04 Richard Guenther <rguenther@suse.de>
5280 PR tree-optimization/26447
5281 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5282 produce SSA_NAME copies before the store stmt to avoid
5283 breaking exception handling.
5285 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5288 * gimplify.c (omp_is_private): If var is shared in some outer context,
5289 return false instead of true. Stop searching on parallel context
5292 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5295 * coverage.c: Use get_gcov_unsigned_t() instead of
5296 unsigned_type_node all over.
5298 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5300 PR tree-optimization/27381
5301 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5302 maintain the same immediate_use links.
5303 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5304 node rather than segfaulting.
5306 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5309 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5310 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5311 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5313 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5315 Fix PR tree-optimization/26626
5316 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5318 * tree-ssa-operands.c (access_can_touch_variable): Allow
5319 typecasting through union pointers.
5321 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5324 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5325 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5326 to find if var will be a global variable even in the nested context.
5327 (omp_copy_decl): Only check for global variable at the end, it might
5328 be overridden in outer contexts.
5329 (scan_sharing_clauses): For global variables don't create a field.
5330 (lower_rec_input_clauses): Do nothing for global shared variables.
5331 Emit a barrier at the end of ILIST if there were any decls in both
5332 firstprivate and lastprivate clauses.
5333 (lower_send_clauses): Do nothing for global variables except for
5336 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5338 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5339 of the correct signedness is returned.
5341 2006-05-02 Jeff Law <law@redhat.com>
5343 PR tree-optimization/27364
5344 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5345 multiply expressions.
5347 2006-05-02 Tom Tromey <tromey@redhat.com>
5349 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5351 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5354 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5355 -mthumb -fPIC are used.
5357 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5358 Joshua Kinard <kumba@gentoo.org>
5361 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5362 with 64-bit pointers.
5364 2006-05-02 Paul Brook <paul@codesourcery.com>
5366 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5368 (create_fix_barrier): Check that a suitable barrier location is
5370 (arm_reorg): Include ftmp->address in allowable range of addresses.
5372 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5375 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5378 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5381 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5382 around RESULT_DECL for result passed by reference.
5383 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5384 * omp-low.c (use_pointer_for_field): Don't look at
5385 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5386 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5387 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5388 time or var for passing by reference for
5389 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5390 TREE_ADDRESSABLE variables when passing by reference.
5392 * omp-low.c (dump_omp_region): Fix output formatting.
5395 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5396 (expand_omp_parallel): Likewise.
5397 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5400 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5401 on statement list containing also constructors and destructors.
5402 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5405 * except.c (duplicate_eh_regions): Fix clearing of
5406 cfun->eh->region_array entries.
5408 2006-05-01 DJ Delorie <dj@redhat.com>
5410 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5412 (gcc_cv_objdump): Likewise.
5413 * configure: Regenerated.
5415 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5418 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5419 templates for case 3 and 4.
5421 2006-05-01 DJ Delorie <dj@redhat.com>
5423 * vec.c: Include bconfig.h when appropriate.
5424 * Makefile.in (build/vec.o): Adjust dependencies.
5425 * mkconfig.sh: Make sure config.h isn't used for build machine
5428 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5430 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5432 (mark_phi_for_rewrite): New function.
5433 (insert_phi_nodes_for, mark_use_interesting): Call
5434 mark_phi_for_rewrite.
5435 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5436 (update_ssa): Initialize and free phis_to_rewrite.
5438 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5440 PR rtl-optimization/27291
5441 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5442 folded to a constant.
5444 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5446 PR tree-optimization/27283
5447 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5448 not whole # of iteration descriptions.
5449 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5450 uses abnormal ssa name.
5451 (niter_for_single_dom_exit): Ditto.
5452 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5453 return just the number of iterations.
5455 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5457 PR tree-optimization/27144
5458 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5459 (record_estimate): Only record constant upper bound.
5460 (infer_loop_bounds_from_undefined): Call
5461 compute_estimated_nb_iterations just once.
5462 (proved_non_wrapping_p): Renamed to ...
5463 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5464 (convert_step_widening, scev_probably_wraps_p): Call
5465 n_of_executions_at_most instead of proved_non_wrapping_p.
5466 (substitute_in_loop_info): Do not replace values in bounds.
5467 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5470 2006-05-01 Richard Henderson <rth@redhat.com>
5473 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5474 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5477 2006-05-01 Roger Sayle <roger@eyesopen.com>
5479 * c-typeck.c (parser_build_binary_op): Don't call the function
5480 unsigned_conversion_warning to spot operand/result type overflow.
5481 (build_binary_op): Instead, call convert_and_check instead of
5482 convert to report the problem when the operands are promoted.
5483 * c-common.c (unsigned_conversion_warning): Make static.
5484 * c-common.h (unsigned_conversion_warning): Delete prototype.
5486 2006-05-01 Richard Guenther <rguenther@suse.de>
5488 PR tree-optimization/26726
5489 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5491 (find_interesting_uses_address): ... we work around here
5492 by folding INDIRECT_REFs in the substituted base.
5494 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5496 * omp-low.c (dump_omp_region): Add newlines.
5498 2006-04-30 Roger Sayle <roger@eyesopen.com>
5500 * common.opt (Woverflow): New command line option.
5501 * c-common.c (constant_expression_warning): Check warn_overflow.
5502 (overflow_waring): Pass OPT_Woverflow to warning.
5503 (unsigned_conversion_warning): Likewise.
5504 (convert_and_check): Likewise.
5505 * doc/invoke.texi: Document new command line option.
5507 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5509 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5510 TARGET_NO_FP_IN_TOC for section anchors.
5511 (optimization_options): Enable section anchors for all
5512 non-"Objective" languages.
5514 2006-04-28 Eric Christopher <echristo@apple.com>
5516 * config/darwin-c.c (darwin_ms_struct): Move this
5517 (darwin_set_default_type_attributes): and this...
5518 * config/darwin.c: ... here.
5519 * config/darwin.h (darwin_ms_struct): Declare.
5521 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5523 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5525 2006-04-28 Roger Sayle <roger@eyesopen.com>
5528 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5529 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5530 an unsigned HOST_WIDE_INT.
5531 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5533 (really_start_incremental_init): No need to call convert because
5534 bitsize_zero_node is already of type bitsizetype.
5535 (push_init_level): Extract the value of constructor_index as an
5536 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5537 (process_init_element): Likewise.
5539 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5541 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5542 value before passing to make_relative_prefix.
5544 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5547 * builtins.c (expand_builtin_memset): Expand val in original mode.
5549 2006-04-27 Eric Christopher <echristo@apple.com>
5551 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5552 with #ifndef/#endif.
5553 * config/darwin-c.c (darwin_ms_struct): New.
5554 (darwin_pragma_ms_struct): Ditto.
5555 (darwin_set_default_type_attributes): Ditto.
5556 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5557 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5558 Register ms_struct pragma.
5559 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5560 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5561 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5562 darwin_set_default_type_attributes if TARGET_MACHO.
5564 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5566 PR tree-optimization/26854
5567 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5568 * doc/tree-ssa.texi: Update immuse iterator documentation.
5569 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5570 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5571 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5572 first_safe_imm_use, next_safe_imm_use): Remove.
5573 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5574 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5575 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5576 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5577 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5578 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5579 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5580 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5581 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5582 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5583 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5584 (perfect_nestify): Use new iterator.
5585 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5587 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5588 (next_imm_name): New field in struct immediate_use_iterator_d.
5589 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5590 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5591 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5592 * tree-cfg.c (replace_uses_by): Use new iterator.
5593 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5594 * tree-ssa-operands.c (correct_use_link): Remove.
5595 (finalize_ssa_use_ops): No longer call correct_use_link.
5597 2006-04-27 Stuart Hastings <stuart@apple.com>
5599 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5600 * config/t-darwin (crt3.o): Use it.
5601 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5602 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5603 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5604 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5605 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5608 2006-04-27 Roger Sayle <roger@eyesopen.com>
5610 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5611 size, force the intermediate into a new pseudo rather instead of
5612 performing both a bitwise AND and a bitwise IOR in memory.
5614 2006-04-27 Richard Guenther <rguenther@suse.de>
5616 PR rtl-optimization/26685
5617 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5618 this one "max-flow-memory-locations".
5620 2006-04-27 Richard Guenther <rguenther@suse.de>
5622 PR tree-optimization/25148
5623 * tree-vrp.c (compare_values): Remove code dealing with
5624 comparisons against type min/max value. Honour overflow
5625 and negative constants in code dealing with comparisons
5626 of plus and minus expressions.
5627 (value_inside_range): Use fold_binary with LE_EXPR and
5628 GE_EXPR rather than compare_values.
5630 2006-04-27 Dirk Mueller <dmueller@suse.de>
5632 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5635 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5637 * basic-block.h (safe_insert_insn_on_edge): Removed.
5638 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5640 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5641 Paolo Bonzini <bonzini@gnu.org>
5644 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5645 (simplify_and_const_int): Same.
5647 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5649 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5651 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5654 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5655 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5656 cgraph_global_info_ready.
5659 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5662 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5663 either decl or init is error_mark_node.
5666 * tree-flow.h (struct omp_region): Add sched_kind.
5667 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5668 instead of extracting omp for data.
5669 (expand_omp_for): Save extracted sched_kind.
5671 2006-04-25 Roger Sayle <roger@eyesopen.com>
5673 * expmed.c (store_bit_field): Also check whether the bitsize is
5674 valid for the machine's "insv" instruction before moving the
5675 target into a pseudo for use with the insv.
5676 * config/i386/predicates.md (const8_operand): New predicate.
5677 * config/i386/i386.md (extv, extzv, insv): Use the new
5678 const8_operand predicate where appropriate.
5680 2006-04-25 DJ Delorie <dj@redhat.com>
5682 * doc/install.texi (Specific): Clarify that this is not a list of
5683 supported hosts or targets.
5685 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5687 PR rtl-optimization/26725
5688 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5689 block's BB_DIRTY flag.
5691 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5693 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5696 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5697 to print an integer.
5699 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5701 * varasm.c (align_variable): New function.
5702 (get_block_for_decl): Apply align_variable to DECL before
5703 calculating section information.
5704 (assemble_variable): Split out alignment computation.
5706 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5708 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5711 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5713 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5714 MODE_PARTIAL_INT mode.
5715 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5716 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5718 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5719 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5721 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5723 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5725 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5726 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5727 MACFLAG_IH): Likewise.
5728 (movstricthi_1): Renamed from "*movstricthi".
5729 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5730 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5731 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5732 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5733 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5734 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5735 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5736 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5737 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5738 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5739 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5740 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5741 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5742 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5743 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5745 * doc/rtl.texi (ss_ashift): Improve wording.
5747 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5749 * dwarf2out.c (verify_marks_clear): New.
5750 (prune_unused_types): Call verify_marks_clear initially, not
5753 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5755 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5756 * doc/rtl.texi: Document them.
5757 * simplify-rtx.c (simplify_unary_operation,
5758 simplify_binary_operation_1): Don't abort when we see them.
5760 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5763 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5764 * configure.ac: Completely disregard languages that are not
5766 * configure: Regenerated.
5768 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5769 Richard Guenther <rguenther@suse.de>
5771 PR tree-optimization/27236
5772 * tree-inline.c (copy_body_r): Make sure to copy
5773 TREE_THIS_VOLATILE flag.
5775 2006-04-24 Richard Guenther <rguenther@suse.de>
5778 * tree-complex.c (update_parameter_components): Don't handle
5779 unused parameters which have no default def.
5781 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5782 Richard Guenther <rguenther@suse.de>
5784 PR tree-optimization/27218
5785 * tree-inline.c (expand_call_inline): Strip useless type
5786 conversions for the return slot address.
5788 2006-04-24 Richard Guenther <rguenther@suse.de>
5790 * cfgloop.h (struct loops): Remove unused field array. Reorder
5792 (LOOP_PREFETCH): Remove.
5794 2006-04-24 Richard Guenther <rguenther@suse.de>
5796 PR tree-optimization/22525
5797 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5798 variable, adjust types of generated expressions.
5800 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5802 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5803 (tree-vect-patterns.o): Likewise.
5805 (cselib.o): Likewise.
5806 (loop-doloop.o): Likewise.
5807 (regclass.o): Likewise.
5808 (reload1.o): Likewise.
5809 (explow.o): Replace target.h with $(TARGET_H).
5810 (ipa-prop.o): Likewise.
5811 (ipa-cp.o): Likewise.
5812 (ipa-inline.o): Likewise.
5813 (reorg.o): Likewise.
5814 (reg-stack.o): Likewise.
5816 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5818 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5820 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5822 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5824 * configure.ac: Completely disregard languages that are not
5826 * configure: Regenerated.
5829 * c-common.h (c_build_bitfield_integer_type): Declare.
5830 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5831 * c-common.c (c_build_bitfield_integer_type): ... here.
5833 2006-04-23 Roger Sayle <roger@eyesopen.com>
5836 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5837 a SImode SUBREG of a floating point register after no_new_pseudos.
5839 2006-04-23 Roger Sayle <roger@eyesopen.com>
5841 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5842 identify potentially eliminable registers to additionally catch
5843 VIRTUAL_INCOMING_ARGS_REGNUM.
5844 (addsi3): Update the conditions on when to use addsi_small_int.
5846 2006-04-23 Roger Sayle <roger@eyesopen.com>
5849 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5850 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5851 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5853 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5855 * fold-const.c (range_predecessor): Use operand_equal_p
5856 as the predicate for equality.
5857 (range_successor): Likewise.
5859 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5862 * config/soft-fp/op-common.h: Fix a typo.
5864 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5867 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5868 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5870 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5872 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5874 * doc/tm.texi: Fix a typo.
5876 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5878 * dwarf2out.c (struct die_struct): Document that die_sib makes
5879 a circular linked list.
5880 (FOR_EACH_CHILD): New.
5881 (reverse_die_lists): Delete.
5882 (reverse_all_dies): Delete.
5883 (add_dwarf_attr): Correct documentation.
5884 (remove_child_with_prev): New.
5885 (remove_child_TAG): Update for change to die_struct, use
5886 remove_child_with_prev.
5887 (add_child_die): Update for change to die_struct.
5888 (splice_child_die): Use remove_child_with_prev and add_child_die.
5889 (print_die): Use FOR_EACH_CHILD.
5890 (die_checksum): Likewise.
5891 (assign_symbol_names): Likewise.
5892 (output_location_lists): Likewise.
5893 (build_abbrev_table): Likewise.
5894 (calc_die_sizes): Likewise.
5895 (mark_dies): Likewise.
5896 (unmark_dies): Likewise.
5897 (unmark_all_dies): Likewise.
5898 (output_die): Likewise.
5899 (prune_unused_types_mark): Likewise.
5900 (prune_unused_types_walk): Likewise.
5901 (same_die_p): Update for change to die_struct.
5902 (break_out_includes): Likewise.
5903 (prune_unused_types_prune): Likewise.
5904 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5905 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5907 (dwarf2out_finish): Don't call reverse_all_dies.
5909 2006-04-21 Eric Christopher <echristo@apple.com>
5911 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5912 in comments and function names.
5914 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5917 * c-typeck.c (digest_init): Robustify.
5919 * c-typeck.c (pop_init_level): Simplify.
5921 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5923 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5925 2006-04-21 Paul Brook <paul@codesourcery.com>
5927 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5928 hardware floating point.
5930 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5932 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5935 2006-04-21 Nick Clifton <nickc@redhat.com>
5937 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5940 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5943 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5944 C++ lang type in traceback table for Objective-C++.
5946 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5948 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5950 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5952 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5955 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5956 were errors. Remove check for erroneous objects.
5958 2006-04-20 Jeff Law <law@redhat.com>
5960 PR tree-optimization/26854
5961 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5962 checking for zero or one use.
5963 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5964 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5965 * tree-ssa-reassoc.c (negate_value): Similarly.
5966 (reassociate_bb): Similarly.
5968 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5970 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5971 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5972 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5974 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5976 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5977 fp regs if the last fp arg doesn't fit in regs.
5979 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5982 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5983 that the last insn has the REG_INC note.
5985 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5986 Nathan Sidwell <nathan@codesourcery.com>
5989 * stor-layout.c (update_alignment_for_field): Do not align
5991 (place_union_field): Place union field at the start of the union.
5992 (place_field): Move ERROR_MARK check later, and use the current
5993 allocation position to maintain monotonicity.
5995 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5997 * dominance.c: Include timevar.h.
5998 (calculate_dominance_info): Use TV_DOMINANCE.
5999 * timevar.def (TV_DOMINANCE): New timevar.
6000 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6002 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6004 PR rtl-optimization/14261
6005 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6006 move would be an INSV insn.
6007 (noce_process_if_block): Don't optimize if the destination is a
6008 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6010 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6012 * config/s390/s390.md: Add comments with the instructions emitted
6013 by an insn pattern if macros are used.
6015 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6017 PR rtl-optimization/26026
6018 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6019 is a known power of two shifted left a variable amount.
6021 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6023 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6024 to hash table twice when the debug_str section has SECTION_MERGE.
6026 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6028 * config/soft-fp: New directory. From glibc.
6029 * config/soft-fp/t-softfp: New.
6030 * config/soft-fp/README: New.
6031 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6032 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6033 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6034 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6035 * config.gcc: Use rs6000/t-fprules-fpbit or
6036 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6038 * config/rs6000/sfp-machine.h: New. Based on glibc.
6039 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6041 * config/rs6000/t-fprules: Remove fp-bit rules.
6042 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6043 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6044 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6045 (softfp_wrap_start, softfp_wrap_end): New.
6047 2006-04-18 DJ Delorie <dj@redhat.com>
6049 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6051 2006-04-18 Devang Patel <dpatel@apple.com>
6053 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6055 2006-04-18 Nick Clifton <nickc@redhat.com>
6057 * config/sh/t-symbian: Add rule to build sh-c.o
6058 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6059 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6060 (sh_symbian_encode_section_info): Likewise.
6062 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6064 * builtins.c (expand_builtin_strcmp): Cover label definition of
6065 do_libcall with HAVE_cmpstrnsi.
6067 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6069 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6071 * function.h (temp_slot_p): New.
6072 (function): Change the type of x_used_temp_slots to
6073 VEC(temp_slot_p,gc) *.
6075 2006-04-18 Nick Clifton <nickc@redhat.com>
6077 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6078 flag_strength_reduce.
6080 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6082 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6086 Partial revert of revision 112637
6087 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6088 Dale Johannesen <dalej@apple.com>
6091 * regclass.c (struct reg_pref): Update documentation.
6092 (regclass): Set prefclass to NO_REGS if memory is the best option.
6093 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6095 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6097 PR tree-optimization/26821
6098 * tree-ssa-math-opts.c (get_constant_one): New.
6099 (insert_reciprocals): Use it.
6101 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6103 * dwarf2out.c (free_AT): Delete.
6104 (remove_AT): Update string ref counts.
6105 (remove_child_TAG): Don't call free_die.
6107 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6108 or DW_TAG_GNU_EINCL.
6109 (prune_unused_types_walk_attribs): Reset string refcounts.
6110 (prune_unused_types_update_strings): New.
6111 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6112 call free_die. Do call prune_unused_types_update_strings.
6113 (prune_unused_types): Empty debug_str_hash.
6115 2006-04-17 Roger Sayle <roger@eyesopen.com>
6117 * expr.c (expand_assignment): Optimize away no-op moves where the
6118 source and destination are equal and have no side-effects.
6120 2006-04-17 Richard Guenther <rguenther@suse.de>
6123 * reload.c (push_reload): Guard calls to get_secondary_mem
6126 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6128 * alias.c (reg_base_value, old_reg_base_value): Change the
6129 type to VEC(rtx,gc) *.
6130 (REG_BASE_VALUE, find_base_value, record_set,
6131 init_alias_analysis): Use VEC instead of VARRAY.
6133 * alias.c (alias_sets): Change the type to
6134 VEC(alias_set_entry,gc) *.
6135 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6136 VEC instead of VARRAY.
6137 (last_alias_set): Remove.
6139 * cgraph.h (cgraph_edge_p): New.
6140 Update the prototype of cgraph_function_versioning.
6141 * cgraphunit.c (cgraph_copy_node_for_versioning,
6142 cgraph_function_versioning): Use VEC instead of VARRAY.
6143 * ipa-cp.c (ipcp_insert_stage): Likewise.
6145 2006-04-16 Roger Sayle <roger@eyesopen.com>
6148 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6149 "A op B" or "A op C", we may need to convert A to the type of B and C.
6151 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6153 * target.h (struct gcc_target): Add mode_rep_extended.
6154 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6155 (init_num_sign_bit_copies_in_rep): Initialize it using
6157 (truncate_to_mode): Use it.
6158 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6159 * targhooks.h (default_mode_rep_extended): Declare it.
6160 * targhooks.c (default_mode_rep_extended): Define it.
6161 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6162 default_mode_rep_extended.
6163 (TARGET_INITIALIZER): Include it.
6164 * doc/tm.texi (Misc): Document it.
6165 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6166 (mips_truncated_to_mode): New function.
6168 2006-04-16 Roger Sayle <roger@eyesopen.com>
6171 * expr.c (compress_float_constant): Copy the narrow constant into
6172 a new pseudo before extending it to its final width.
6174 2006-04-16 Roger Sayle <roger@eyesopen.com>
6175 Andrew Pinski <pinskia@gcc.gnu.org>
6176 Dale Johannesen <dalej@apple.com>
6179 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6180 special case code to implement V8HImode and V16QImode with SSE2.
6182 2006-04-15 Roger Sayle <roger@eyesopen.com>
6184 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6185 trees are constructed with a suitable tree type.
6187 2006-04-15 Roger Sayle <roger@eyesopen.com>
6189 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6190 (integer_onep): Likewise.
6191 (integer_all_onesp): Likewise.
6192 (integer_pow2p): Likewise.
6193 (integer_nonzerop): Likewise.
6194 (real_zerop): Likewise.
6195 (real_onep): Likewise.
6196 (real_twop): Likewise.
6197 (real_minus_onep): Likewise.
6198 (int_size_in_bytes): Likewise.
6199 (host_integerp): Likewise.
6201 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6203 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6204 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6205 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6207 * tree-ssa-structalias.h (alias_info): Remove num_references.
6209 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6211 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6212 (output_bvb patterns): Likewise.
6213 * pa.c (output_bb): Use 'bb' insn for long branch case.
6214 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6215 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6216 1. Correct length operand for alternatives 1 and 2.
6217 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6218 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6220 2006-04-14 Roger Sayle <roger@eyesopen.com>
6222 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6223 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6224 were accidentally reverted by r112959.
6226 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6229 * except.h (eh_region_outermost): New prototype.
6230 * except.c (eh_region_outermost): New function.
6231 * tree-cfg.c (find_outermost_region_in_block): Use it.
6233 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6235 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6237 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6238 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6239 (init_reload, reload): Use VEC instead of VARRAY.
6240 * reload.h: Update the prototype for
6241 reg_equiv_memory_loc_varray.
6243 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6244 Eric Botcazou <ebotcazou@libertysurf.fr>
6246 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6249 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6252 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6253 to expand fallback builtin function call.
6255 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6258 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6259 and emit libcall here in case the builtin fails.
6260 (expand_builtin_strcmp): Always emit the libcall here on failure.
6262 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6264 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6265 * flow.c (reg_n_info): Change the type to
6266 VEC(reg_info_p,heap) *.
6267 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6269 * regs.h (reg_info_p): New.
6270 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6271 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6272 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6275 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6277 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6279 * params.h (MAX_SCHED_READY_INSNS): New macro.
6280 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6281 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6282 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6283 the ready list for 1 cycle during the first scheduling pass.
6284 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6286 2006-04-13 Richard Henderson <rth@redhat.com>
6289 * gimple-low.c (lower_omp_directive): Remove dead code.
6290 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6291 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6292 * omp-low.c (struct omp_region): Move to tree-flow.h.
6293 (root_omp_region): Export.
6294 (omp_regions, lookup_omp_region): Remove.
6295 (determine_parallel_type): Update for struct omp_region changes.
6296 (dump_omp_region): Dump regions with block numbers.
6297 (new_omp_region): Take type and block instead of stmt; malloc
6299 (free_omp_region_1, free_omp_regions): New.
6300 (expand_parallel_call): Take entry_stmt as argument; update for
6301 changes to omp_region.
6302 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6303 (remove_exit_barriers): New.
6304 (expand_omp_parallel): Update for struct omp_region changes.
6305 (expand_omp_synch): Likewise.
6306 (expand_omp): Likewise.
6307 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6308 (expand_omp_for_static_chunk): Likewise.
6309 (expand_omp_for): Likewise.
6310 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6311 (expand_omp_sections): Similarly, with GOMP_sections_end.
6312 (expand_omp_single): New.
6313 (build_omp_regions_1): Update for OMP_CONTINUE.
6314 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6315 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6316 OMP_SECTIONS_SECTIONS.
6317 (lower_omp_single_simple): Don't emit barrier here.
6318 (lower_omp_single_copy): Likewise.
6319 (lower_omp_single): Fix bindings, and lower to straightline now.
6320 (lower_omp_master, lower_omp_ordered): Likewise.
6321 (lower_omp_critical): Likewise.
6322 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6323 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6324 omp edges, free it afterward.
6325 (make_omp_sections_edges): Remove.
6326 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6327 (move_stmt_r): Handle OMP_CONTINUE.
6328 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6329 statement pointers to basic blocks. Add type member.
6330 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6331 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6332 * tree-inline.c (estimate_num_insns_1): Likewise.
6333 * tree-pretty-print.c (dump_generic_node): Likewise.
6334 * tree-ssa-operands.c (get_expr_operands): Likewise.
6335 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6336 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6337 (OMP_CONTINUE): New.
6338 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6339 (OMP_SECTIONS_SECTIONS): Remove.
6340 (OMP_SECTION_LAST): New.
6341 (OMP_RETURN_NOWAIT): New.
6343 2006-04-13 Roger Sayle <roger@eyesopen.com>
6345 * fold-const.c (native_encode_vector, native_interpret_real):
6346 Correct obvious mistakes in the previous check-in.
6348 2006-04-13 Roger Sayle <roger@eyesopen.com>
6350 * fold-const.c (native_encode_expr): New function to encode
6351 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6352 or VECTOR_CST into a specified buffer.
6353 (native_encode_int): New function.
6354 (native_encode_real): New function.
6355 (native_encode_complex): New function.
6356 (native_encode_vector): New function.
6357 (native_interpret_expr): Inverse of native_encode_expr to convert
6358 a target representation into an INTEGER_CST, REAL_CST etc...
6359 (native_interpret_int): New function.
6360 (native_interpret_real): New function.
6361 (native_interpret_complex): New function.
6362 (native_interpret_vector): New function.
6363 (fold_view_convert_expr): New function to constant fold/evaluate
6364 a VIEW_CONVERT_EXPR of a suitable constant expression.
6365 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6366 Change call of build1 to fold_build1 when constructing a
6369 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6370 Ulrich Weigand <uweigand@de.ibm.com>
6373 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6376 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6379 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6380 optimize to lo_sum for DFmode if !TARGET_FPRS.
6382 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6384 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6385 delete_alias_info, compute_flow_sensitive_aliasing,
6386 group_aliases): Use VEC instead of VARRAY.
6387 * tree-ssa-structalias.c (update_alias_info): Likewise.
6388 * tree-ssa-structalias.h (alias_info): Change the type of
6389 processed_ptrs to VEC(tree,heap) *.
6391 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6394 * config/sh/lib1funcs.h: New file, broken out of:
6395 * config/sh/lib1funcs.asm.
6396 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6398 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6399 * config/sh/lib1funcs-Os-4-200.asm: New file.
6400 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6401 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6402 (EXTRA_MULTILIB_PARTS): Include it.
6403 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6404 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6405 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6406 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6409 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6411 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6412 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6413 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6415 * tree-ssa-live.h: Include vecprim.h.
6416 (tree_partition_associator_d): Change the type of
6417 first_partition to VEC(int,heap) *.
6418 (tpa_first_partition): Use VEC instead of VARRAY.
6420 * Makefile.in (GTFILES): Move functions.h after tree.h.
6421 * function.c (reset_block_changes, record_block_change,
6422 check_block_change, free_block_changes): Use VEC instead of
6424 * function.h (function): Change the type of
6425 ib_boundaries_block to VEC(tree,gc) *.
6426 * tree-inline.c (copy_cfg_body): Initialize
6427 ib_boundaries_block to NULL instead of (varray_type) 0.
6429 2006-04-12 Roger Sayle <roger@eyesopen.com>
6431 * expr.c (emit_group_store): Correct operand order in call to
6432 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6433 a SUBREG_BYTE of zero.
6435 2006-04-12 Richard Guenther <rguenther@suse.de>
6437 * profile.c (compute_branch_probabilities): Remove code
6438 encapsulated in !ir_type (), which are remanents of the
6439 removed RTL profiling code.
6440 * rtl-profile.c: Remove.
6442 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6444 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6445 magic NULL_RTX comment.
6446 (function_arg): Store entire fp arg to mem if any part should go
6448 (rs6000_arg_partial_bytes): Adjust for above change.
6450 2006-04-11 Roger Sayle <roger@eyesopen.com>
6452 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6453 if it hasn't been initialized by dwarf2out_init.
6455 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6457 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6458 symbolic constants in branch patterns.
6460 2006-04-11 Roger Sayle <roger@eyesopen.com>
6462 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6464 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6466 PR rtl-optimization/27073
6467 * gcse.c (try_replace_reg): Revert last change. Continue to search
6468 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6471 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6473 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6474 aggregate types other than record and union types.
6475 (function_arg): Likewise.
6476 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6478 (function_value): In 64-bit mode, return objects that require it
6481 2006-04-11 Roger Sayle <roger@eyesopen.com>
6483 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6485 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6487 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6489 2006-04-03 Jeff Law <law@redhat.com>
6492 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6493 alias information too.
6495 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6497 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6499 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6502 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6503 (premark_used_types_helper): New.
6504 (premark_used_types): New.
6505 (gen_subprogram_die): Call premark_used_types.
6506 (prune_unused_types_walk): Do not prune perennial dies.
6507 * function.c (used_types_insert): New.
6508 * function.h (struct function): Add used_types_hash field.
6509 (used_types_insert): Add prototype.
6510 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6511 * c-parser.c (c_parser_cast_expression): Save casted types in used
6514 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6517 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6518 rs6000_explicit_options.float_gprs.
6520 2006-04-10 Roger Sayle <roger@eyesopen.com>
6522 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6523 from ix86_expand_vector_init_low_nonzero. Take an additional
6524 one_var argument indicating which element is non-zero. Support
6525 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6526 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6527 with one_var instead of ix86_expand_vector_init_low_nonzero.
6529 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6531 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6532 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6533 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6534 build/genextract.o): Depend on vecprim.h.
6535 * cfglayout.c, df-problems.c, function.c, genextract.c,
6536 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6537 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6541 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6543 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6544 Declare VECs of this type.
6545 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6546 (remove_children): Delete.
6547 (add_dwarf_attr): Use VEC routines.
6548 (add_AT_flag): Update for changes to add_dwarf_attr.
6549 (add_AT_int): Likewise.
6550 (add_AT_unsigned): Likewise.
6551 (add_AT_long_long): Likewise.
6552 (add_AT_vec): Likewise.
6553 (add_AT_string): Likewise.
6554 (add_AT_die_ref): Likewise.
6555 (add_AT_fde_ref): Likewise.
6556 (add_AT_loc): Likewise.
6557 (add_AT_loc_list): Likewise.
6558 (add_AT_addr): Likewise.
6559 (add_AT_lbl_id): Likewise.
6560 (add_AT_lineptr): Likewise.
6561 (add_AT_macptr): Likewise.
6562 (add_AT_offset): Likewise.
6563 (add_AT_range_list): Likewise.
6564 (get_AT): Use VEC_iterate.
6565 (remove_AT): Use VEC_ordered_remove.
6566 (free_die): Fold remove_children into here; have it use VEC_iterate.
6567 (print_die): Use VEC_iterate on attrs.
6568 (reverse_die_lists): Don't reverse attr lists.
6569 (die_checksum): Use VEC_iterate on attrs.
6570 (same_die_p): Likewise.
6571 (output_location_lists): Likewise.
6572 (build_abbrev_table): Likewise.
6573 (size_of_die): Likewise.
6574 (unmark_all_dies): Likewise.
6575 (output_abbrev_section): Likewise.
6576 (output_die): Likewise.
6577 (prune_unused_types_walk_attribs): Likewise.
6579 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6581 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6583 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6586 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6588 2006-04-09 Roger Sayle <roger@eyesopen.com>
6590 * expr.c (store_constructor): Don't bother clearing target if
6591 we're about to assign a vector to it using vec_init_optab.
6593 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6595 * tree-ssa-alias.c (lhs_may_store_to): New function.
6596 (recalculate_used_alone): Handle LHS of calls.
6598 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6602 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6603 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6604 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6605 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6606 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6607 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6608 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6609 stubs. Add ".align 8" directives before all ".dword" directives.
6610 (GTHREAD_USE_WEAK): Revise comment.
6611 (TARGET_ATTRIBUTE_WEAK): Define.
6612 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6613 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6614 * stublib.c: New file.
6619 * pa.md (cbranch patterns): Revise arguments used in calls to
6620 output_cbranch, output_bb and output_bvd. Add long branch length
6622 (fbranch patterns): Handle long branches.
6623 (jump): Revise length check. Revise arguments for output_lbranch call.
6624 Add long branch length attributes.
6625 (decrement_and_branch_until_zero): Add long branch length attributes.
6626 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6627 Likewise. Revise arguments for output_parallel_addb and
6628 output_parallel_movb calls.
6629 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6630 output_parallel_movb and output_parallel_addb): Update prototypes.
6631 * pa.c (output_cbranch): Revise arguments. Correct handling of
6632 nullification in long branches.
6633 (output_lbranch): Add new argument to control extraction of delay
6635 (output_bb): Handle long branches.
6636 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6637 output_parallel_addb): Likewise.
6639 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6641 PR rtl-optimization/27073
6642 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6645 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6647 * tree.h (tree_memory_tag): Add old_used_alone.
6648 (SMT_OLD_USED_ALONE): New macro.
6649 * tree-ssa-alias.c (recalculate_used_alone): Stop
6650 marking things for renaming unnecessarily.
6652 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6654 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6655 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6656 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6657 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6658 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6659 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6660 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6661 spelling convensions.
6662 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6663 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6664 typos. Follow spelling conventions.
6666 2006-04-07 DJ Delorie <dj@redhat.com>
6668 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6669 passed on the stack.
6670 (m32c_init_cumulative_args): When a function returns a structure,
6671 always pass the pointer to that return area on the stack.
6672 (m32c_function_arg_advance): Don't increment the parameter number
6673 if we're processing the returned structure pointer.
6674 (pushm_info): Reverse order of registers.
6676 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6678 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6679 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6680 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6681 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6683 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6684 chrec_fold_multiply): Same.
6685 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6686 force_expr_to_var_cost): Same.
6687 * tree-mudflap.c (mf_xform_derefs_1): Same.
6688 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6690 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6692 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6693 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6696 2006-04-07 Jan Hubicka <jh@suse.cz>
6698 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6700 2006-04-07 Richard Guenther <rguenther@suse.de>
6702 PR tree-optimization/26135
6703 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6704 loads for store copy-prop.
6705 (copy_prop_visit_stmt): Likewise.
6707 2006-04-05 Robert Millan <robertmh@gnu.org>
6709 * config/i386/linux.h: Add a comment to mark macros that are
6710 being overriden in config/k*bsd-gnu.h.
6711 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6713 * config/knetbsd-gnu.h: Ditto.
6715 2006-04-06 Jan Hubicka <jh@suse.cz>
6719 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6722 2006-04-06 Mike Stump <mrs@apple.com>
6724 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6725 for HAVE_nonlocal_goto to be consistent.
6726 (expand_builtin_nonlocal_goto): Likewise.
6727 (expand_builtin_strcmp): Use #ifdef instead of #if
6728 for HAVE_cmpstrnsi to be consistent.
6730 2006-04-05 DJ Delorie <dj@redhat.com>
6732 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6735 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6737 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6738 got-relative addressing for anything but SImode.
6740 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6741 even if the calling function doesn't modify them.
6743 2006-04-05 Richard Guenther <rguenther@suse.de>
6745 PR tree-optimization/26919
6746 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6747 to cgraph_estimate_size_after_inlining.
6749 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6751 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6753 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6755 PR tree-optimization/26996
6756 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6757 VECTOR_TYPE variables.
6759 2006-04-05 Richard Guenther <rguenther@suse.de>
6761 PR tree-optimization/26763
6762 * fold-const.c (fold_comparison): Move folding of
6763 PTR + CST CMP PTR + CST ...
6764 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6766 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6768 * doc/install.texi (Prerequisites): Refine some wording on
6769 bootstrapping and ksh.
6770 Move the version numbers of DejaGnu here from the testing section
6771 and fix casing of names.
6772 Fix markup and clarify wording for autogen requirements.
6773 Refer to GCJ instead of just java.
6774 Refer to SVN instead of CVS.
6775 Describe diffutils as useful instead of necessary.
6776 (Downloading the source): Refer to SVN instead of CVS.
6777 Adjust a link to our web site accordingly.
6778 (Configuration): Fix casing of Bison.
6779 (Building): Refer to SVN instead of CVS.
6780 Fix a sentence on the use of Bison and remove duplicate (and
6781 incorrect) version number of Bison requirement.
6782 Remove one redundant list of packages needed for building.
6783 (Specific): Avoid reference to CVS.
6785 2006-04-04 Eric Christopher <echristo@apple.com>
6787 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6788 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6789 (rs6000_handle_struct_attribute): New.
6790 (rs6000_ms_bitfield_layout_p): Ditto.
6792 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6794 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6795 NULL for dso parameter to atexit_common.
6797 2006-04-04 Eric Christopher <echristo@apple.com>
6799 * config/i386/i386.c (machopic_output_stub): Output \t
6800 between instructions and operands.
6802 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6804 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6805 satisfies_constraint_[IL] to explicit tests on value.
6807 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6809 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6810 set_nb_iterations_in_loop): Use build_int_cst instead of
6812 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6813 build_int_cst instead of convert.
6815 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6817 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6818 new value 2 for incoming.
6819 * function.c (expand_function_start): Call struct_value_rtx
6821 * config/sparc/sparc.md: Comment updated_return.
6822 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6823 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6824 struct return if sparc_std_struct_return and incoming is 2.
6825 (print_operand): Do not adjust return if
6826 sparc_std_struct_return.
6828 2006-04-04 Roger Sayle <roger@eyesopen.com>
6830 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6831 convert in the middle-end.
6832 * expr.c (store_expr, store_constructor, get_inner_reference,
6833 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6835 * tree.c (build_range_type): Likewise.
6837 2006-04-04 Tom Tromey <tromey@redhat.com>
6839 * doc/install.texi (Prerequisites): Mention jar.
6841 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6843 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6846 2006-04-04 Matthias Klose <doko@debian.org>
6848 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6852 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6855 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6857 * doc/extend.texi (Function Attributes): Rewrite visibility
6858 attribute documentation.
6859 * doc/invoke.texi (C++ Dialect Options): Rewrite
6860 -fvisibility-inlines-hidden documentation to describe something
6861 entirely different, although in practise compatible.
6862 (Code Gen Options): Warn about system headers in -fvisibility=
6865 * doc/extend.texi (Other Builtins): Document that
6866 __builtin_nan is a compile-time constant only when its argument
6869 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6871 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6872 trying to remove TRUNCATE check if all bits outside the new mode
6873 are identical to the sign bit.
6875 2006-04-03 Jeff Law <law@redhat.com>
6877 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6878 and operand scanning in some common cases.
6880 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6881 Dale Johannesen <dalej@apple.com>
6884 * regclass.c (struct reg_pref): Update documentation.
6885 (regclass): Set prefclass to NO_REGS if memory is the best option.
6886 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6887 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6888 into account. For non-registers, equate an empty preferred
6889 reload class to a `!' in the constraint; move the if clause to
6890 do so after those that reject the insn.
6891 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6893 (find_dummy_reload): Likewise.
6894 * doc/tm.texi (Register Classes): Document what it means
6895 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6896 * config/i386/i386.c (ix86_preferred_reload_class): Force
6897 using SSE registers (and return NO_REGS for floating-point
6898 constants) if math is done with SSE.
6899 (ix86_preferred_output_reload_class): New.
6900 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6901 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6902 * config/i386/i386.md: Remove # register preferences.
6904 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6907 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6908 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6909 the type of nb_iter.
6910 (instantiate_parameters_1): Convert the operands before calling
6911 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6912 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6914 2006-04-02 Roger Sayle <roger@eyesopen.com>
6916 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6917 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6919 * dojump.c (do_jump): Likewise.
6920 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6921 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6922 gimplify_boolean_expr): Likewise.
6923 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6924 * varasm.c (array_size_for_constructor): Likewise.
6925 * tree-object-size.c (compute_object_offset): Likewise.
6927 2006-04-02 Roger Sayle <roger@eyesopen.com>
6930 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6931 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6933 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6935 PR tree-optimization/26939
6936 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6938 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6940 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6941 at_stmt. Convert the type of operands before calling
6942 build_polynomial_chrec.
6943 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6945 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6946 (instantiate_parameters_1): Convert the type of operands before calling
6947 build_polynomial_chrec.
6948 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6949 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6950 reset_evolution_in_loop): Insert asserts to check the types of the
6952 (chrec_type): Moved...
6953 (eq_evolutions_p): Use operand_equal_p.
6954 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6955 the types of the operands.
6956 (chrec_type): ...here.
6957 * tree-data-ref.c (create_data_ref): Convert the operands before
6958 calling chrec_replace_initial_condition.
6959 (same_access_functions, analyze_subscript_affine_affine,
6960 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6961 (compute_subscript_distance, analyze_ziv_subscript,
6962 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6963 analyze_miv_subscript): Convert the operands before calling
6964 chrec_fold_minus or chrec_fold_plus.
6966 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6968 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6969 the dependence_relations vector.
6970 (compute_data_dependences_for_loop): Adjust call to
6971 compute_all_dependences.
6973 2006-04-01 Roger Sayle <roger@eyesopen.com>
6974 Richard Henderson <rth@redhat.com>
6976 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6977 gimple_boolify on the condition before calling gimplify_expr.
6979 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6981 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6982 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6983 the frame size. Update to use the new macros.
6984 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6985 * config/xtensa/ieee754-df.S: Likewise.
6987 2006-03-31 Richard Henderson <rth@redhat.com>
6989 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6990 (make_edges): ... here. Control fallthru creation with a local
6991 variable. Do not play with fake edges.
6992 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6993 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6996 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6998 * dwarf2.h (DW64_CIE_ID): Define.
6999 * dwarf2out.c (DWARF_CIE_ID): Define.
7000 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7001 length header. Use DWARF_CIE_ID.
7002 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7003 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7005 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7007 * config/sh/linux-atomic.asm: New file.
7008 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7010 2006-03-31 DJ Delorie <dj@redhat.com>
7012 * config/m32c/cond.md: Set condition flags properly throughout.
7013 * config/m32c/minmax.md: Likewise.
7014 * config/m32c/prologue.md: Likewise.
7015 * config/m32c/bitops.md: Likewise.
7016 * config/m32c/muldiv.md: Likewise.
7017 * config/m32c/mov.md: Likewise.
7018 * config/m32c/addsub.md: Likewise.
7019 * config/m32c/m32c.md: Likewise.
7020 * config/m32c/jump.md: Likewise.
7021 * config/m32c/shift.md: Likewise.
7023 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7024 conditionally output the pattern for this.
7025 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7026 (m32c_compare_redundant): New.
7027 (m32c_output_compare): New.
7028 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7030 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7031 dest, not src. Allow other 4-byte modes.
7033 2006-03-30 Denis Chertykov <denisc@overta.ru>
7035 * doc/md.texi: Refer to avr/constraints.md instead of
7038 2006-03-30 Roger Sayle <roger@eyesopen.com>
7040 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7041 signed vs. unsigned comparison failures on some hosts.
7043 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7046 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7047 change to FLOAT_REGS.
7049 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7050 (rs6000_override_options): Use it.
7051 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7052 only for -mabi=spe/no-spe and -mabi=altivec.
7054 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7056 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7059 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7061 * Makefile.in: Rename docdir to gcc_docdir.
7063 2006-03-30 Roger Sayle <roger@eyesopen.com>
7066 * expr.c (emit_group_store): Optimize group stores into a pseudo
7067 register by using a paradoxical subreg to initialize the destination
7068 if the first or last member of the group specifies a "low part".
7070 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7073 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7074 * target.h (struct gcc_target.speculate_insn): Change type of the
7075 second parameter to 'int'.
7076 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7077 the second operand of the DEPS_LIST.
7078 (copy_DEPS_LIST_list): Update reference to the second operand of the
7080 * rtl.h (alloc_DEPS_LIST): Update signature.
7081 * sched-int.h (ds_t): Change typedef to 'int'.
7082 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7084 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7086 * haifa-sched.c (try_ready): Change condition to restore
7087 non-speculative pattern of the instruction.
7088 (process_insn_depend_be_in_spec): Code to keep probability of the
7089 speculative dependence non-decreasing.
7091 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7093 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7094 (single_move_for_movmem): ... this. Also change all uses.
7095 (bfin_expand_strmov): Renamed to...
7096 (bfin_expand_movmem): ... this. Also change all uses.
7097 * config/bfin/bfin.md (movstrsi): Renamed to...
7098 (movstrsi): ...this.
7100 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7102 PR tree-optimization/26830
7104 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7105 (copy_prop_visit_stmt): Remove write-only variable ann.
7106 (init_copy_prop): Check variable loop depth here. Do not simulate
7107 memory-tag and virtual operand PHIs except for store copy prop.
7109 2006-03-30 Richard Guenther <rguenther@suse.de>
7111 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7112 variants with double arguments.
7114 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7116 * genpreds.c (write_tm_constrs_h): Delete variable p.
7117 * genconditions.c (write_header): Add tm-constrs.h to included
7119 * genpeep.c (main): Add toplev.h to included headers.
7120 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7121 (build/genpeep.o): Add toplev.h dependency.
7122 * config/rs6000/constraints.md: Add "W" constraint.
7124 2006-03-29 Roger Sayle <roger@eyesopen.com>
7126 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7127 sizes by correctly testing whether the size fits a host integer.
7128 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7129 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7130 SImode range for the default sizetype and bitsizetype.
7132 2006-03-29 Roger Sayle <roger@eyesopen.com>
7134 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7135 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7136 quickly if the argument is already of the correct type.
7137 Call fold_build1 instead of build1. Tidy up blank lines.
7139 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7141 * genemit.c (main): Add tm-constrs.h to included headers.
7142 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7143 * genpeep.c (main): Add tm-constrs.h to included headers.
7144 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7145 (write_tm_constrs_h): this and write complete file.
7146 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7147 (write_insn_preds_c): Add tm-constrs.h to included headers.
7148 (gen_constrs): New variable.
7149 (parse_option): Parse "-c".
7150 (main): Invoke write_tm_constrs_h.
7151 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7152 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7153 (object_out_file): Add tm-constrs.h dependency.
7154 (insn-emit.o): Same.
7155 (insn-output.o): Same.
7156 (insn-peep.o): Same.
7157 (insn-preds.o): Same.
7158 (insn-recog.o): Same.
7159 (tm-constsr.h): New target.
7160 (s-constrs-h): New target.
7162 * config/rs6000/constraints.md: New file.
7163 * config/rs6000/rs6000.c: Include tm-constrs.h.
7164 (num_insn_constant_wide): Convert to satisfies_constraint.
7165 (rs6000_rtx_costs): Convert to satisfies_constraint.
7166 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7167 (CONST_OK_FOR_LETTER_P): Delete.
7168 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7169 (EXTRA_CONSTRAINT): Delete.
7170 (EXTRA_MEMORY_CONSTRAINT): Delete.
7171 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7172 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7173 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7174 satisfies_constraint.
7176 * config/i386/i386.c: Include tm-constrs.h.
7178 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7180 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7181 * tree-data-ref.c (find_data_references_in_loop,
7182 compute_data_dependences_for_loop): Use pointers to VEC.
7183 (analyze_all_data_dependences): Adjust calls.
7184 * tree-data-ref.h (find_data_references_in_loop,
7185 compute_data_dependences_for_loop): Adjust declarations.
7186 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7187 compute_data_dependences_for_loop.
7189 2006-03-29 Paul Brook <paul@codesourcery.com>
7191 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7194 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7196 PR tree-optimization/26859
7197 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7199 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7200 for the step after fold_convert.
7202 2006-03-29 Paul Brook <paul@codesourcery.com>
7204 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7205 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7207 2006-03-29 Paul Brook <paul@codesourcery.com>
7210 * targhooks.c (default_narrow_bitfield): New fuction.
7211 * targhooks.h (default_narrow_bitfield): add prototype.
7212 * target.h (gcc_target): Add narrow_volatile_bitfield.
7213 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7214 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7215 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7216 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7218 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7220 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7222 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7223 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7224 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7225 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7226 (s390_function_arg_float): Allow SDmode and DDmode values to be
7227 passed in floating point registers.
7228 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7229 check with SCALAR_FLOAT_MODE_P.
7230 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7232 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7234 PR tree-optimization/25985
7235 * tree-ssa-loop-niter.c (number_of_iterations_le,
7236 number_of_iterations_ne): Make comments more precise.
7237 (number_of_iterations_cond): Add only_exit argument. Use the
7238 fact that signed variables do not overflow only when only_exit
7240 (loop_only_exit_p): New.
7241 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7242 number_of_iterations_cond.
7244 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7246 PR tree-optimization/26643
7247 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7250 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7252 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7253 (divsi3_i4_int): Likewise.
7255 2006-03-28 Roger Sayle <roger@eyesopen.com>
7257 * expr.c (emit_group_store): Only create a new pseudo reg if the
7258 quantity it needs to hold isn't already a suitable pseudo.
7260 2006-03-28 Jeff Law <law@redhat.com>
7262 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7263 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7265 2006-03-28 Roger Sayle <roger@eyesopen.com>
7267 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7268 the equivalent ~X & Y, and the symmetry related transformations.
7269 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7270 ~X & Y, and symmetry related transforms.
7272 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7274 Revert my 2006-03-27 patches.
7276 2006-03-28 Roger Sayle <roger@eyesopen.com>
7278 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7279 ~(T1)X, when T1 and T2 are integer types of the same precision
7280 and (T2)X isn't an extension.
7282 2006-03-28 Jeff Law <law@redhat.com>
7284 PR tree-optimization/26796
7285 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7286 need EH edge cleanups rather than purging them immediately.
7287 (eliminate_degenerate_phis): Handle queued EH cleanups.
7289 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7291 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7294 2006-03-27 Roger Sayle <roger@eyesopen.com>
7297 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7298 cast BIT_NOT_EXPR operand to the correct type.
7300 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7302 * tree-loop-linear.c: Don't include varray.h.
7303 (gather_interchange_stats, try_interchange_loops,
7304 linear_transform_loops): Use VEC instead of VARRAY.
7305 * lambda-mat.c: Don't include varray.h.
7306 * tree-chrec.c: Same.
7307 * lambda-trans.c: Same.
7308 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7309 VEC instead of VARRAY.
7310 * tree-vectorizer.h: Idem.
7311 * tree-data-ref.c (dump_data_references,
7312 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7313 initialize_data_dependence_relation, finalize_ddr_dependent,
7314 compute_all_dependences, find_data_references_in_loop,
7315 compute_data_dependences_for_loop, analyze_all_data_dependences,
7316 free_dependence_relation, free_dependence_relations,
7317 free_data_refs): Idem.
7318 * tree-data-ref.h (data_reference_p, subscript_p): New.
7319 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7320 VEC instead of VARRAY.
7321 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7322 (find_data_references_in_loop, compute_data_dependences_for_loop,
7323 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7324 dump_data_dependence_relations, free_dependence_relations,
7325 free_data_refs): Adjust declaration.
7326 (lambda_transform_legal_p): Move declaration here...
7327 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7328 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7329 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7330 vect_analyze_data_refs): Use VEC instead of VARRAY.
7331 * lambda.h (lambda_transform_legal_p): ...from here.
7332 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7333 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7334 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7335 tree-chrec.o): Don't depend on VARRAY_H.
7337 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7339 * rtl.def (Copyright): Update date.
7340 (DEPS_LIST): Change type of the second operand to 'int'.
7341 * target.h (Copyright): Update date.
7342 (struct gcc_target.speculate_insn): Change type of the second parameter
7344 * lists.c (Copyright): Update date.
7345 (alloc_DEPS_LIST): Change signature. Update reference to the second
7346 operand of the DEPS_LIST.
7347 (copy_DEPS_LIST_list): Update reference to the second operand of the
7349 * rtl.h (Copyright): Update date.
7350 (alloc_DEPS_LIST): Update signature.
7351 * sched-int.h (Copyright): Update date.
7352 (ds_t): Change typedef to 'int'.
7353 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7355 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7357 * haifa-sched.c (Copyright): Update date.
7358 (try_ready): Change condition to restore non-speculative pattern
7360 (process_insn_depend_be_in_spec): Code to keep probability of the
7361 speculative dependence non-decreasing.
7363 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7365 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7366 shut up the compiler.
7368 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7370 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7371 to use lib prefix for target.
7372 ($(T)libic_invalidate_array_4-200.a): Likewise.
7373 ($(T)libic_invalidate_array_4a.a): Likewise.
7375 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7376 J"orn Rennecke <joern.rennecke@st.com>
7378 * superh.opt: New file.
7379 * sh.c (boardtype, osruntime): Remove.
7380 * superh.h (SUBTARGET_OPTIONS): Remove.
7381 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7383 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7384 arguments with ^ and/or [].
7386 * config.gcc (sh-*-*): Add quoting to account for quirk of
7388 Replace == with = in enable_incomplete_targets test.
7390 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7391 with MASK_LITTLE_ENDIAN.
7393 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7394 * config/sh/sh.opt: Added to some comments.
7395 * config/sh/superh.h: Removed some chaff.
7397 * config/sh/sh.opt: Add m4-[1234]00* options.
7398 * config/sh/sh.c (sh_handle_option): Likewise.
7399 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7400 (ic_invalidate_array_4-100.o): New rule.
7401 ($(T)libic_invalidate_array_4-100.a): Likewise.
7402 (ic_invalidate_array_4-200.o): Likewise.
7403 ($(T)libic_invalidate_array_4-200.a): Likewise.
7404 (ic_invalidate_array_4a.o): Likewise.
7405 ($(T)libic_invalidate_array_4a.a): Likewise.
7406 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7407 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7409 * config/sh/crt1.asm: Merged in profiling code.
7410 * config/sh/superh.h (STARTFILE_SPEC): Override.
7411 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7412 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7413 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7415 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7416 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7417 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7419 * sh.opt (mpretend-cmove): New option.
7420 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7421 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7422 (movsicc): Add TARGET_PRETEND_CMOVE code.
7424 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7426 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7427 s390_class_max_nregs): New function prototypes.
7428 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7429 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7430 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7431 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7433 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7435 * dwarf2out.c (add_location_or_const_value_attribute): Call
7436 tree_add_const_value_attribute if nothing else works.
7437 (reference_to_unused): New.
7438 (rtl_for_decl_init): Use reference_to_unused to decide whether
7439 to output an initializer.
7441 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7444 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7445 peephole removing spe frob_di_df_2.
7447 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7449 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7450 (subscript_dependence_tester_1): Declared.
7451 (print_dir_vectors, print_dist_vectors): New.
7452 (debug_data_dependence_relation): New.
7453 (dump_data_dependence_relation): Print more details.
7454 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7455 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7456 (save_dist_v, save_dir_v, add_outer_distances,
7457 build_classic_dist_vector_1): New.
7458 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7459 Don't test for lambda_vector_lexico_pos.
7460 (same_access_functions, add_multivariate_self_dist,
7461 add_other_self_distances, dir_from_dist): New.
7462 (build_classic_dir_vector): Replace implementation almost identical to
7463 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7465 (subscript_dependence_tester_1): New.
7466 (subscript_dependence_tester): Handle the lexicographically negative
7467 distance vectors by recomputing the dependence relation.
7468 (compute_affine_dependence): Remove parameter loop_nest_depth.
7469 (compute_self_dependence): Don't call compute_subscript_distance.
7470 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7471 Add a parameter for the loop_nest.
7472 (find_loop_nest_1, find_loop_nest): New.
7473 (compute_data_dependences_for_loop): Compute the loop nest, and give
7474 up if the nest is not well formed.
7475 * tree-data-ref.h (loop_p): New.
7476 (struct data_dependence_relation): Replace size_vect field with
7477 loop_nest, a vec of loops.
7478 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7479 (DDR_LOOP_NEST): New.
7480 (print_dir_vectors, print_dist_vectors,
7481 debug_data_dependence_relation): Declared.
7482 (index_in_loop_nest): New.
7483 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7484 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7487 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7489 * simplify-rtx.c (simplify_relational_operation): Call
7490 simplify_relational_operation_1 even if mode is VOIDmode.
7492 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7494 PR tree-optimization/26804
7495 * tree.h (DECL_CALL_CLOBBERED): New macro.
7496 (tree_decl_common): Add call_clobbered_flag.
7497 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7498 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7499 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7500 (mark_non_addressable): Ditto.
7501 * tree-ssa.c (verify_call_clobbered): New function.
7502 (verify_alias_info): Use it.
7503 * tree-pass.h (pass_reset_cc_flags): New prototype.
7504 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7505 (reset_cc_flags): New function.
7506 * passes.c (init_optimization_passes): Call reset_cc_flags after
7507 initializing referenced_vars.
7509 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7510 Roger Sayle <roger@eyesopen.com>
7513 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7514 to 1.0 for non-real operands. Implement A / A optimization for
7517 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7519 * config/i386/i386.c (size_cost): Correct the comment for
7520 cost of storing fp registers.
7521 (i386_cost): Likewise.
7522 (i486_cost): Likewise.
7523 (pentium_cost): Likewise.
7524 (pentiumpro_cost): Likewise.
7525 (k6_cost): Likewise.
7526 (athlon_cost): Likewise.
7527 (k8_cost): Likewise.
7528 (pentium4_cost): Likewise.
7529 (nocona_cost): Likewise.
7530 (generic64_cost): Likewise.
7531 (generic32_cost): Likewise.
7533 2006-03-24 Denis Chertykov <denisc@overta.ru>
7535 * config/avr/avr-protos.h (extra_constraint): Delete.
7536 (extra_constraint_Q): New declaration.
7537 * config/avr/constraints.md: New file.
7538 * config/avr/avr.md: Include it.
7539 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7540 (TMP_REGNO, ZERO_REGNO): Likewise.
7541 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7542 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7543 (extra_constraint): Delete.
7544 (extra_constraint_Q): Test for memory constraint 'Q'.
7545 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7546 (REG_CLASS_FROM_LETTER): Delete.
7547 (CONST_OK_FOR_LETTER_P): Delete.
7548 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7549 (EXTRA_CONSTRAINT): Delete.
7550 (TMP_REGNO): Delete.
7551 (ZERO_REGNO): Delete.
7553 2006-03-24 Jeff Law <law@redhat.com>
7555 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7556 directly. Call mark_new_vars_to_rename slightly earlier.
7558 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7560 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7562 (gen_compile_unit_die): Use new language types for Objective-C and
7564 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7565 DW_LANG_C_plus_plus.
7568 * config/t-darwin (crt3.o): Work around bug 26840.
7569 * config/darwin-crt3.c: Rewrite.
7570 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7572 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7574 * doc/invoke.texi: Document -femit-class-debug-always
7575 * common.opt: Add -femit-class-debug-always.
7577 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7579 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7580 index and base register.
7581 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7582 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7583 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7584 REGNO_OK_FOR_INDEX_P.
7585 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7587 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7588 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7589 REG_OK_FOR_BASE_P): Definitions removed.
7591 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7594 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7595 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7596 set yet or weren't marked as local yet.
7598 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7600 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7603 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7605 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7606 (rs6000_legitimate_small_data_p): Delete.
7607 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7608 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7609 and make static. Add forward declaration. Update uses.
7610 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7611 of offsettable_memref_p.
7612 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7613 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7615 2006-03-24 Jeff Law <law@redhat.com>
7617 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7618 around bug in immediate-use iterator.
7620 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7623 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7624 or __LITTLE_ENDIAN__.
7626 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7628 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7629 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7630 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7631 * config/sh/sh.opt (mdiv=): Amend description.
7632 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7633 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7634 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7635 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7636 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7637 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7638 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7639 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7640 TARGET_DIVIDE_CALL_FP.
7642 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7644 * haifa-sched.c (choose_ready): Fix type of the local variable.
7645 Move local variables. Add comment.
7646 (check_reg_live): Change signature. Make callable from debugger.
7647 * sched-int.h (check_reg_live): Update signature.
7648 * sched-ebb.c (check_reg_live): Update parameters.
7649 * sched-rgn.c (check_reg_live): Ditto.
7650 (region_head_or_leaf_p): Check pointer before dereferencing.
7651 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7652 before reload on optimization levels below 1.
7654 2006-03-23 Richard Henderson <rth@redhat.com>
7656 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7660 * config/alpha/predicates.md (local_symbolic_operand): Reject
7663 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7666 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7667 expressions which have overflowed constants.
7669 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7671 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7673 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7675 * cfgloopmanip.c (create_loop_notes): Removed.
7676 * final.c (final_scan_insn): Do not handle loop notes.
7677 * jump.c (squeeze_notes): Ditto.
7678 * cfglayout.c (skip_insns_after_block,
7679 duplicate_insn_chain): Ditto.
7680 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7682 * cfgloop.h (create_loop_notes): Declaration removed.
7684 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7686 * varasm.c (output_constant_pool): Restore fnname and fndecl
7688 (assemble_start_function): Adjust call accordingly.
7689 (assemble_end_function): Likewise.
7691 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7694 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7697 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7699 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7702 * system.h (ICE_EXIT_CODE): New macro.
7703 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7704 (diagnostic_action_after_output): Likewise.
7705 * gcc.c (fatal_ice): New function.
7706 (execute): Use it instead of fatal.
7707 (fancy_abort): Likewise.
7708 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7710 2006-03-22 Jeff Law <law@redhat.com>
7712 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7713 iv_analyze_result returning false.
7715 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7717 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7719 2006-03-22 Richard Henderson <rth@redhat.com>
7722 * except.c (duplicate_eh_regions_0): New.
7723 (duplicate_eh_region_1): Duplicate the children of the node as
7724 well as the node itself. Link them up properly.
7725 (duplicate_eh_region_2): Merge into ...
7726 (duplicate_eh_regions): ... here. Take copy_region argument, and
7727 copy only a sub-tree if asked. Simplify copying and fixup.
7728 (eh_region_outer_p): New.
7729 * except.h (duplicate_eh_regions): Update decl.
7730 (eh_region_outer_p): Declare.
7731 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7732 (lower_omp_master): Likewise.
7733 (lower_omp_ordered): Likewise.
7734 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7735 (move_stmt_r): Use it to remap labels. Handle recursion vs
7736 remap_decls_p properly.
7737 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7738 (find_outermost_region_in_block): New.
7739 (new_label_mapper): New.
7740 (move_sese_region_to_fn): Copy eh information to the new function
7742 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7744 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7747 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7749 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7750 into shared libraries.
7752 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7754 * doc/md.texi: Refer to i386/constraints.md instead of
7756 * config/i386/constraints.md: New file, extracted from...
7757 * config/i386/predicates.md: ...here.
7758 * config/i386/i386.md: Include constraints.md.
7760 2006-03-21 Jason Merrill <jason@redhat.com>
7762 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7765 * expr.c (init_block_move_fn): Force default visibility.
7766 (init_block_clear_fn): Likewise.
7767 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7768 * targhooks.c (default_external_stack_protect_fail): Likewise.
7770 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7772 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7773 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7774 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7775 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7776 (loadgp): Use mips_current_loadgp_style.
7777 (loadgp_noshared): New pattern.
7778 (sibcall_internal): Use MIPS_CALL.
7779 (sibcall_value_internal): Likewise.
7780 (sibcall_value_multiple_internal): Likewise.
7781 (call_internal): Likewise.
7782 (call_value_internal): Likewise.
7783 (call_value_multiple_internal): Likewise.
7784 (call_split): Use MIPS_CALL and add an 'S' constraint.
7785 (call_value_split): Likewise.
7786 (call_value_multiple_split): Likewise.
7787 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7788 (-mshared): New option.
7789 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7790 (mips_current_loadgp_style): Declare.
7791 * config/mips/mips.c (mips_classify_symbol): Avoid using
7792 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7793 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7794 TARGET_ABSOLUTE_ABICALLS.
7795 (override_options): Adjust comments. Improve the warning that is
7796 issued when -mabicalls and -G are used together.
7797 (mips_file_start): Remove comment.
7798 (mips_current_loadgp_style): New function.
7799 (mips_gnu_local_gp): New variable.
7800 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7802 (mips_output_function_prologue): Use mips_current_laodgp_style.
7803 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7804 the cprestore instruction.
7805 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7806 live for TARGET_ABSOLUTE_ABICALLS.
7807 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7808 (ASM_SPEC): Pass down -mshared and -mno-shared.
7809 (MIPS_CALL): New macro.
7810 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7812 * doc/invoke.texi (-mabicalls): Update documentation.
7813 (-mshared): Document.
7815 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7817 * config/ia64/unwind-hpux.c: New file.
7818 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7820 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7823 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7825 2006-03-21 Jeff Law <law@redhat.com>
7827 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7828 type conversions of a VR_VARYING source to a wider type.
7830 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7832 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7833 tm_file on Solaris 10 and later.
7834 (sparc64-*-solaris2*): Likewise.
7835 (sparc-*-solaris2*): Likewise.
7836 * config/sol26.h: Rename to config/sol2-6.h.
7837 * config/sol2-10.h: New file.
7839 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7842 * tree-ssa-pre.c (create_component_ref_by_pieces):
7845 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7848 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7849 return it immediately.
7851 2006-03-21 Michael Matz <matz@suse.de>
7853 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7855 (remove_arc, add_arc): Update num_out_arcs member.
7856 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7858 (cache_presence): New function.
7859 (compare_states_for_equiv): New function.
7860 (state_is_differed): Don't take number of outargs, adjust callers.
7861 Use new invariant for speeding up.
7862 (init_equiv_class): Create initial classes based on sorted
7864 (partition_equiv_class): Don't track out_arcs_num.
7865 (evaluate_equiv_classes): Call cache_presence on all states and
7868 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7870 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7871 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7872 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7873 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7875 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7876 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7877 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7878 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7879 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7881 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7882 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7883 (REGNO_REG_CLASS): ARGP is in PREGS.
7884 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7886 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7887 to deal with those addresses.
7888 * addresses.h: New file.
7889 * caller-save.c: Include "addresses.h".
7890 (init_caller_save): Use new base_reg_class function.
7891 * rtl-factoring.c: Include "addresses.h".
7892 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7893 * recog.c: Include "addresses.h".
7894 (preprocess_constraints): Use new base_reg_class function.
7895 * regrename.c: Include "addresses.h".
7896 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7897 functions. Keep track of a new var INDEX_CODE to compute valid
7899 (replace_oldest_value_addr): Likewise.
7900 (replace_oldest_value_mem): Use base_reg_class.
7901 * reload.c: Include "addresses.h".
7902 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7903 (find_reloads): Use new base_reg_class function.
7904 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7905 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7906 all callers and prototype changed.
7907 * reload1.c: Include "addresses.h".
7908 (maybe_fix_stack_asms): Use base_reg_class.
7909 * regclass.c: Include "addresses.h".
7910 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7911 (init_reg_autoinc): Use new base_reg_class function.
7912 (record_reg_classes): Likewise.
7913 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7914 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7915 Use new args to compute necessary class.
7917 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7918 regrename.o, rtl-factoring.o): Update dependencies.
7919 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7920 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7921 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7922 REG_OK_FOR_INDEX_P): Delete documentation.
7924 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7926 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7927 from V7 to V9 for Solaris 7 and above.
7929 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7931 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7932 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7933 argument pointers may not alias any other storage.
7934 * common.opt: Define option -fargument-noalias-anything.
7935 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7936 alias semantics is specified by flag_argument_noalias > 2.
7938 2006-03-20 Jeff Law <law@redhat.com>
7940 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7941 (pass_phi_only_cprop): Declare.
7942 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7944 * tree-ssa-dom.c (degenerate_phi_result): New function.
7945 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7946 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7947 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7948 (eliminate_degenerate_phis): Likewise.
7949 (pass_phi_only_cprop): New pass descriptor.
7950 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7951 support code. Callers updated.
7952 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7953 (store_copy_prop): Likewise.
7954 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7956 2006-03-20 Jason Merrill <jason@redhat.com>
7959 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7960 (push_visibility, pop_visibility): Likewise.
7961 * c-pragma.h: Declare them.
7963 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7965 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7967 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7968 parameter and use get_ebb_head_tail.
7969 (sh_md_init_global): Adjust uses of find_regmode_weight.
7971 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7973 * function.h (struct function) <x_tail_recursion_reentry>:
7974 Rename to x_stack_check_probe_note.
7975 (tail_recursion_reentry): Rename to stack_check_probe_note.
7976 * function.c: Replace tail_recursion_reentry with
7977 stack_check_probe_note everywhere.
7978 (expand_function_start): Only emit a note for
7979 stack_check_probe_note with -fstack-protect.
7980 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7982 * emit-rtl.c (remove_unnecessary_notes): Remove.
7983 (pass_remove_unnecessary_notes): Remove.
7984 * rtl.h (remove_unnecessary_notes): Remove prototype.
7985 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7986 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7987 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7989 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7992 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7993 (valid_in_set): Handle ARRAY_REF.
7994 Change "if min_variant or VH" to asserts.
7995 (create_component_ref_by_pieces): Handle ARRAY_REF.
7996 (create_expression_by_pieces): Likewise.
7997 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7999 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8001 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8002 is operand of switch, not str[0].
8004 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8006 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8007 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8009 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8011 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8012 end of insn_extra_address_constraint declaration.
8014 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8016 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8017 (no-sum-in-toc): Same.
8018 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8020 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8021 NO_FP_IN_TOC for -fPIC instead of mask.
8023 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8024 (BOOT_LDFLAGS): Delete.
8026 * config/rs6000/t-aix52: Same.
8028 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8029 (stmsi[345678]_power): New.
8031 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8033 * config/ia64/ia64.opt: Add empty line to end of file.
8035 2006-03-17 Richard Guenther <rguenther@suse.de>
8038 * builtins.c (get_pointer_alignment): For component style references
8039 adjust alignment to the component type alignment. Make sure
8040 to adjust alignment for component access of constants.
8042 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8044 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8047 2006-03-17 Paul Brook <paul@codesourcery.com>
8049 * doc/install.texi: Docuemnt --with-mode.
8050 * config.gcc: Add --with-mode for arm*-*-*.
8051 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8053 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8055 * sh.c (max_labelno_before_reorg): New variable.
8056 (sh_reorg): Initialize it.
8057 (find_barrier): Check max_labelno_before_reorg before using
8058 label_to_alignment. Take length of explicit alignment insns
8059 into account. When seeing a UNSPECV_CONST_END, return it.
8061 * sh.c (fixup_mova): Set mode of affected label to QImode.
8062 (untangle_mova): New function.
8063 (find_barrier): Use it. Check mode of label before decrementing
8065 (sh_reorg): Likewise.
8066 Set mode of all insns back to VOIDmode.
8068 * sh.c (MOVA_LABELREF): New macro.
8069 (mova_p, fixup_mova, sh_reorg): Use it.
8070 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8071 ADDR_DIFF_VEC matches mova.
8073 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8075 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8076 with ATTRIBUTE_UNUSED.
8078 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8080 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8081 pointer, instead of assuming it is possible to derive the
8082 correct args size from a call insn.
8084 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8086 * rtl.h (CONST_INT_P): Define.
8087 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8088 instead of GET_CODE(x) == CONST_INT.
8089 (vax_rtx_costs): Likewise.
8090 (vax_output_int_move): Likewise.
8091 (vax_output_int_add): Likewise.
8092 (legitimate_constant_address_p): Likewise.
8093 (index_term_p): Likewise.
8094 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8095 * config/vax/vax.md (and<mode>3): Likewise.
8096 (ashrsi3): Likewise.
8098 (movstricthi): Likewise.
8099 (movstrictqi): Likewise.
8100 (rotrsi3): Likewise.
8101 (five unnamed insns): Likewise.
8103 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8105 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8106 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8107 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8108 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8109 Pass to ASM_OUTPUT_DWARF_OFFSET.
8110 * dwarf2out.c (debug_frame_section): New.
8111 (output_call_frame_info): Use debug_frame_section. Pass it to
8112 dw2_asm_output_offset.
8113 (output_die): Pass appropriate section to dw2_asm_output_offset.
8114 (output_compilation_unit_header): Likewise.
8115 (output_pubnames): Likewise.
8116 (output_aranges): Likewise.
8117 (enum dw_val_class): Break dw_val_class_lbl_offset into
8118 dw_val_class_lineptr and dw_val_class_macptr.
8119 (add_AT_lbl_offset): Delete.
8120 (add_AT_lineptr): New.
8121 (add_AT_macptr): New.
8122 (AT_lbl): Expect a lineptr or macptr.
8123 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8124 (attr_checksum): Likewise.
8125 (same_dw_val_p): Likewise.
8126 (size_of_die): Likewise.
8127 (value_format): Likewise.
8128 (output_die): Likewise.
8129 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8131 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8132 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8133 * config/darwin-protos.h (darwin_file_start): New.
8134 (darwin_asm_output_dwarf_offset): New.
8135 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8136 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8138 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8139 if not EH section; simplify.
8140 (darwin_file_start): New.
8141 (darwin_asm_output_dwarf_offset): New.
8142 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8144 (DEBUG_INFO_SECTION): Likewise.
8145 (DEBUG_ABBREV_SECTION): Likewise.
8146 (DEBUG_ARANGES_SECTION): Likewise.
8147 (DEBUG_MACINFO_SECTION): Likewise.
8148 (DEBUG_LINE_SECTION): Likewise.
8149 (DEBUG_LOC_SECTION): Likewise.
8150 (DEBUG_PUBNAMES_SECTION): Likewise.
8151 (DEBUG_STR_SECTION): Likewise.
8152 (DEBUG_RANGES_SECTION): Likewise.
8153 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8154 (ASM_OUTPUT_DWARF_OFFSET): New.
8156 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8158 * config.gcc (tm_defines): Always add to previous value rather
8161 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8163 * config/mips/predicates.md (splittable_const_int_operand): New,
8164 split from move_operand.
8165 (splittable_symbolic_operand): New.
8166 (move_operand): Add commentary. Use splittable_const_int_operand.
8167 Inline mips_atomic_symbolic_constant_p.
8168 * config/mips/mips.md: Add combine splitters for handling moves
8169 of splittable_const_int_operands and splittable_symbolic_operands.
8170 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8171 (mips_split_symbol): Declare.
8172 (mips_move_integer): Declare.
8173 * config/mips/mips.c (mips_split_p): Make global.
8174 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8175 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8176 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8177 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8178 (mips_offset_within_object_p): Handle block symbols.
8179 (mips_atomic_symbolic_constant_p): Delete.
8180 (mips_cannot_force_const_mem): Return false for constants that
8181 mips_legitimize_move can handle.
8182 (mips_use_blocks_for_constant_p): New function.
8183 (mips_split_symbol): Make global.
8184 (mips_move_integer): Likewise. Add a temporary register argument.
8185 (mips_legitimize_const_move): Use splittable_const_int_operand and
8186 splittable_symbolic_operand.
8187 (mips_use_anchors_for_symbol_p): New function.
8188 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8189 (mips_split_p): Declare.
8191 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8193 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8194 (mips*-*-linux*): Likewise.
8196 2006-03-16 Roger Sayle <roger@eyesopen.com>
8197 Daniel Speyer <dspeyer@wam.umd.edu>
8200 * tree-dump.c (dump_real): New function.
8201 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8202 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8203 (tree-dump.o): Add $(REAL_H) to the dependencies.
8205 2006-03-16 Roger Sayle <roger@eyesopen.com>
8208 * real.c (real_from_string): If the mantissa is zero, don't bother
8209 parsing the exponent as the result should always be zero.
8211 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8213 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8215 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8217 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8218 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8219 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8220 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8221 ia64_sched_finish_global): New static functions to implement
8222 hooks from gcc_target.sched.
8223 (spec_check_no, max_uid, pending_data_specs): New static variables.
8224 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8225 ia64_spec_check_src_p): New static functions.
8226 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8227 (TARGET_SCHED_ADJUST_COST): Removed.
8228 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8229 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8230 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8231 TARGET_SCHED_GEN_CHECK,
8232 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8233 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8234 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8235 Fixed to handle speculation checks.
8236 (rtx_needs_barrier): Fixed to handle speculative loads and
8238 (ia64_variable_issue): Added code to count speculative loads and their
8240 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8242 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8244 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8246 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8247 (ia64_reorg): Reset stops_p to NULL after it is freed.
8248 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8249 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8250 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8252 (data_speculative, control_speculative, check_load): New attributes.
8253 (mov<mode>_advanced, mov<mode>_speculative,
8254 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8255 zero_extend<mode>di2_speculative,
8256 zero_extend<mode>di2_speculative_advanced): New patterns for
8257 data and control speculative loads.
8258 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8260 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8261 New pattern for data and control speculation checks.
8262 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8263 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8264 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8265 Auxiliary definitions for the patterns.
8266 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8267 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8269 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8271 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8272 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8273 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8274 New resource constraints.
8275 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8277 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8278 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8279 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8280 msched-in-control-spec, msched-ldc, msched-control-ldc,
8281 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8282 msched-prefer-non-control-spec-insns,
8283 msched-count-spec-in-critical-path): New flags to tune speculative
8285 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8286 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8287 msched-in-control-spec, msched-ldc, msched-control-ldc,
8288 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8289 msched-prefer-non-control-spec-insns,
8290 msched-count-spec-in-critical-path): Document new flags.
8292 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8294 * target.h (struct spec_info_def): New opaque declaration.
8295 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8296 speculate_insn, needs_block_p, gen_check,
8297 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8298 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8299 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8300 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8301 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8302 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8304 (TARGET_SCHED): Use new macros.
8305 * rtl.h (copy_DEPS_LIST_list): New prototype.
8306 * sched-int.h (struct sched_info): Change signature of new_ready field,
8307 adjust all initializations. New fields: add_remove_insn,
8308 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8309 region_head_or_leaf_p.
8310 (struct spec_info_def): New structure declaration.
8311 (spec_info_t): New typedef.
8312 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8313 recovery_block, orig_pat.
8314 (glat_start, glat_end): New variables declaraions.
8315 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8317 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8318 DETACH_LIFE_INFO, USE_GLAT.
8319 (enum SPEC_SCHED_FLAGS): New enumeration.
8320 (NOTE_NOTE_BB_P): New macro.
8321 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8322 attach_life_info, debug_spec_status, check_reg_live): New functions.
8323 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8324 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8326 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8327 * ddg.c (get_block_head_tail): Adjust all uses.
8328 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8329 (sms_sched_info): Initialize new fields.
8330 (contributes_to_priority): Removed.
8331 * haifa-sched.c (params.h): New include.
8332 (get_block_head_tail): Adjust all uses.
8333 (ISSUE_POINTS): New macro.
8334 (glat_start, glat_end): New global variables.
8335 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8336 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8337 old_last_basic_block, before_recovery, current_sched_info_var,
8338 rgn_n_insns, luid): New static variables.
8339 (insn_cost1): New function. Move logic from insn_cost to here.
8340 (find_insn_reg_weight1): New function. Move logic from
8341 find_insn_reg_weight to here.
8342 (reemit_notes, move_insn, max_issue): Change signature.
8343 (move_insn1): Removed.
8344 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8345 extend_bb): New static functions to support extension of scheduler's
8347 (generate_recovery_code, process_insn_depend_be_in_spec,
8348 begin_speculative_block, add_to_speculative_block,
8349 init_before_recovery, create_recovery_block, create_check_block_twin,
8350 fix_recovery_deps): New static functions to support
8351 generation of recovery code.
8352 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8353 restore_bb_notes, move_block_after_check, move_succs): New static
8354 functions to support ebb scheduling.
8355 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8356 functions to support handling of register live information.
8357 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8358 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8359 add_jump_dependencies): New static functions.
8360 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8361 consistancy checking.
8362 (debug_spec_status): New function to call from debugger.
8363 (priority): Added code to handle speculation checks.
8364 (rank_for_schedule): Added code to distinguish speculative instructions.
8365 (schedule_insn): Added code to handle speculation checks.
8366 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8367 Fixed to handle ebbs.
8368 (move_insn): Added code to handle ebb scheduling.
8369 (max_issue): Added code to use ISSUE_POINTS of instructions.
8370 (choose_ready): Added code to choose between speculative and
8371 non-speculative instructions.
8372 (schedule_block): Added code to handle ebb scheduling and scheduling of
8373 speculative instructions.
8374 (sched_init): Initialize new variables.
8375 (sched_finish): Free new variables. Print statistics.
8376 (try_ready): Added code to handle speculative instructions.
8377 * lists.c (copy_DEPS_LIST_list): New function.
8378 * sched-deps.c (extend_dependency_caches): New function. Move logic
8379 from create_dependency_caches to here.
8380 (get_dep_weak, ds_merge): Make global.
8381 * genattr.c (main): Code to output prototype for
8382 dfa_clear_single_insn_cache.
8383 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8384 (output_dfa_clean_insn_cache_func): Code to output
8385 dfa_clear_single_insn_cache function.
8386 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8388 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8390 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8391 New static variables.
8392 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8393 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8395 (ebb_sched_info): Initialize new fields.
8396 (get_block_head_tail): Adjust all uses.
8397 (compute_jump_reg_dependencies): Fixed to use glat_start.
8398 (schedule_ebb): Code to remove unreachable last block.
8399 (schedule_ebbs): Added code to update register live information.
8400 * sched-rgn.c (region_sched_info): Initialize new fields.
8401 (get_block_head_tail): Adjust all uses.
8402 (last_was_jump): Removed. Adjust users.
8403 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8404 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8405 Implement new hooks.
8406 (check_dead_notes1): New static function.
8407 (struct region): New fields: dont_calc_deps, has_real_ebb.
8408 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8409 (BB_TO_BLOCK): Fixed to handle EBBs.
8410 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8411 (ebb_head): New static variable.
8412 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8413 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8415 (compute_dom_prob_ps): New assertion.
8416 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8417 global_live_at_start.
8418 (init_ready_list): New assertions.
8419 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8420 (new_ready): Add support for BEGIN_CONTROL speculation.
8421 (schedule_insns): Fixed code that updates register live information
8423 (schedule_region): Fixed to handle EBBs.
8424 (init_regions): Use extend_regions and check_dead_notes1.
8425 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8426 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8427 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8428 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8429 TARGET_SCHED_GEN_CHECK,
8430 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8431 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8432 * doc/invoke.texi (max-sched-insn-conflict-delay,
8433 sched-spec-prob-cutoff): Document.
8435 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8437 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8438 inter_tick, queue_index.
8439 (struct sched_info): Change signature of init_ready_list field.
8440 Adjust all initializations.
8441 (RESOLVED_DEPS): New access macro.
8442 (ready_add): Remove prototype.
8443 (try_ready): Add prototype.
8444 * sched-rgn.c (init_ready_list): Use try_ready.
8445 (schedule_region): Initialize
8446 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8447 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8448 (init_ready_list): Use try_ready.
8449 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8450 * lists.c (remove_list_elem): Remove `static'.
8451 (remove_free_INSN_LIST_elem): New function.
8452 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8453 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8454 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8456 (readyp): New variable.
8457 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8458 change_queue_index, resolve_dep): New static functions.
8459 (try_ready): New function. Adjust callers in sched-rgn.c and
8460 sched-ebb.c to use it instead of ready_add.
8461 (clock_var): Move at the begining of file.
8462 (rank_for_schedule): Fix typo.
8463 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8464 (ready_lastpos): Enforce assertion.
8465 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8467 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8468 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8469 (queue_to_ready): Use free_INSN_LIST_list.
8470 (early_queue_to_ready): Fix typo.
8471 (schedule_block): Init readyp. Move init_ready_list call after the
8472 initialization of clock_var. Fix error in rejecting insn by
8473 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8474 that previously corrected INSN_TICKs. Add code for handling
8476 (set_priorities): Fix typo.
8477 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8478 Clarify comment and code that keeps current_sched_info->next_tail
8481 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8483 * sched-rgn.c (extend_rgns): New static function.
8484 (find_rgns): Use it.
8485 (gather_region_statistics, print_region_statistics): New static
8487 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8488 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8490 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8491 Andrey Belevantsev <abel@ispras.ru>
8493 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8494 * lists.c (unused_deps_list): New variable.
8495 (free_list): Add assertions to verify the proper distinguishing
8496 between INSN_LISTs and DEPS_LISTs.
8497 (find_list_elem, remove_list_elem, remove_list_node): New static
8499 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8500 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8501 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8502 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8504 (free_INSN_LIST_node): Likewise.
8505 * modulo-sched.c (current_sched_info): Initialize flags field.
8506 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8507 * rtl.def (DEPS_LIST): Define.
8508 * rtl.h: Declare new functions from lists.c.
8509 * sched-deps.c (spec_dependency_cache): New static variable.
8510 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8511 (add_dependence): Change return type to void. Move the logic to ...
8512 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8513 (delete_all_dependences): Add comment about forward_dependency_cache.
8514 Handle spec_dependency_cache. Handle DEPS_LISTs.
8515 (fixup_sched_groups): Clarify the change of priority of output
8516 and anti dependencies.
8517 (sched_analyze_2): Adjust add_dependence calls to create data
8518 speculative dependence.
8519 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8520 Adjust all callers. Handle DEPS_LISTS.
8521 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8522 presence of speculation.
8523 (init_dependency_caches, free_dependency_caches):
8524 Handle spec_dependency_cache.
8525 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8526 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8527 New static functions.
8528 (add_or_update_back_dep, add_or_update_back_forw_dep,
8529 add_back_forw_dep, delete_back_forw_dep): New functions.
8530 * sched-int.h (ds_t, dw_t): New typedefs.
8531 (struct sched_info): Add new field flags.
8532 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8533 Prototype new sched-deps.c functions.
8534 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8535 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8536 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8537 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8538 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8539 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8541 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8543 * sched-rgn.c (current_sched_info): Initialize flags field.
8544 (schedule_insns): Initialize current_sched_info before the sched_init
8546 * sched-ebb.c (current_sched_info): Initialize flags field.
8547 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8548 Call add_or_update_back_dep instead of add_dependence.
8549 Create control speculative dependencies.
8550 (schedule_insns): Initialize current_sched_info before the sched_init
8553 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8555 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8557 (sh_fallback_frame_state): Likewise.
8559 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8561 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8562 Do switch on default_use_cxa_atexit.
8563 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8564 * config/darwin-crt3.o: New.
8565 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8566 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8567 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8569 * config/rs6000/t-darwin: Move crt2.o building to here.
8570 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8571 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8574 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8576 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8577 from '! xxx' to '!xxx' for coding-style conformance.
8578 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8579 (EXTRA_CONSTRAINT): Likewise.
8580 * config/vax/vax.md (four unnamed insns): Likewise.
8582 2006-03-15 Paul Brook <paul@codesourcery.com>
8584 * config/arm/arm.c (minipool_pad): New.
8585 (add_minipool_forward_ref): Include pool alignment padding in address
8587 (push_minipool_fix): Set minipool_pad.
8588 (minipool_pad): Ditto.
8590 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8592 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8593 instead of GET_CODE() == MEM and REG_P() instead of
8595 (print_operand_address): Likewise.
8596 (vax_address_cost): Likewise.
8597 (vax_rtx_costs): Likewise.
8598 (vax_notice_update_cc): Likewise.
8599 (vax_output_int_add): Likewise.
8600 (INDEX_REGISTER_P): Likewise.
8601 (BASE_REGISTER_P): Likewise.
8602 (nonindexed_address_p): Likewise.
8603 (vax_mode_dependent_address_p): Likewise.
8604 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8605 (PRINT_OPERAND): Likewise.
8606 * config/vax/vax.md (ashlsi3): Likewise.
8607 (ashlsi3): Likewise.
8608 (some more unnamed insns): Likewise.
8610 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8612 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8613 iterator-style macro.
8614 (mark_control_dependent_edges_necessary): Update the use of
8615 EXECUTE_IF_CONTROL_DEPENDENT.
8617 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8619 * config/sh/predicates.md (cache_address_operand): Special.
8620 (ua_address_operand): Likewise.
8622 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8624 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8626 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8628 2006-03-15 Andreas Schwab <schwab@suse.de>
8630 * gensupport.c (identify_predicable_attribute): Don't free p_false
8631 when it is still in use.
8633 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8635 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8636 the default setting here.
8638 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8640 * tree-pass.h (pass_cfg): Remove.
8641 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8642 * passes.c (pass_cfg): Don't run it.
8644 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8646 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8647 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8649 (stack_regs_mentioned): Update the uses of
8650 stack_regs_mentioned_data. Don't access the array beyond its
8652 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8653 Don't include gt-reg-stack.h.
8655 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8656 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8658 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8661 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8664 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8666 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8668 2006-03-14 Richard Guenther <rguenther@suse.de>
8670 PR tree-optimization/26672
8671 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8674 2006-03-14 Richard Guenther <rguenther@suse.de>
8676 PR tree-optimization/26667
8677 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8678 node for the callees. Always allow inlining if it will shrink
8681 2006-03-14 Richard Guenther <rguenther@suse.de>
8684 * builtins.c (get_pointer_alignment): Prefer alignment
8685 information from decls over that from types.
8687 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8690 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8692 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8694 * config/rs6000/rs6000.opt (mdlmzb): New option.
8695 (msched-prolog, msched-epilog): Use Var not Mask.
8696 * doc/invoke.texi (-mdlmzb): Document.
8697 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8699 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8700 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8702 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8704 PR rtl-optimization/25739
8705 * bt-load.c (augment_live_range): Free tos pointer.
8707 * gensupport.c (identify_predicable_attribute): Free
8709 * gcov.c (create_file_names): Free name pointer.
8711 2006-03-13 Roger Sayle <roger@eyesopen.com>
8714 * stmt.c (emit_case_nodes): Handle the case where the index is a
8715 CONST_INT, where the comparison mode is specified by the index type.
8717 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8719 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8722 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8724 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8725 (*branch_fp_inverted): Likewise.
8727 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8730 * omp-low.c (expand_omp_for_generic): Mark istart0
8731 and iend0 as addressable.
8733 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8735 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8737 2006-03-13 Jeff Law <law@redhat.com>
8739 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8740 virtual operands are interesting.
8741 (vrp_visit_stmt): Corresponding changes.
8743 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8745 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8747 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8748 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8749 * config/bfin/crti.S: Use it instead of __PIC__.
8750 * config/bfin/crtn.S: Likewise.
8752 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8753 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8755 Lose 'G' modifier for call operand.
8756 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8757 recognize 'G' modifier.
8759 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8762 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8763 * stmt.c (expand_case): Likewise.
8765 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8767 PR rtl-optimization/26254
8768 * loop-invariant.c (seq_insns_valid_p): New function.
8769 (move_invariant_reg): Only emit new code if it is valid.
8771 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8773 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8775 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8776 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8777 (commit_one_edge_insertion): Do not look for loop notes.
8779 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8781 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8782 flag_test_coverage out of loop.
8784 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8786 * final.c (shorten_branches): Remove outdated comment, and turn
8787 the if branch that guards it to continue.
8789 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8791 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8792 * cfgloop.h (struct loop): Remove unused fields.
8794 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8796 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8797 (-dL, -fdump-rtl-loop2): Update the dump file names
8799 * doc/invoke.texi: Update dump file names.
8801 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8803 * predict.c (estimate_probability): Remove.
8804 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8805 * basic-block.h (estimate_probability): Remove prototype.
8806 * passes.c (finish_optimization_passes): Dump branch prediction or
8807 profiling heuristics to the .profile tree dump.
8808 (init_optimization_passes): Unqueue pass_branch_prob.
8810 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8812 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8814 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8815 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8817 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8819 * function.h (frame_offset_overflow): Declare.
8820 * function.c (frame_offset_overflow): New function.
8821 (assign_stack_local_1): Call it to detect that the offset overflows.
8822 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8824 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8826 * config/sh/sh.c: Include alloc-pool.h.
8827 (label_ref_list_pool): New alloc pool.
8828 (label_ref_list_t): New type for lists of labels.
8829 (struct pool_node): Make wend a label_ref_list_t.
8830 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8832 (dump_table): Likewise.
8833 (sh_reorg): Set up the alloc pool before using add_constant and
8834 dump_table, and destroy it when finishing.
8836 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8838 * config/mips/mips.c: Remove redundant comment.
8840 2006-03-10 Jason Merrill <jason@redhat.com>
8843 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8844 the target was declared 'register'.
8846 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8848 * genpreds.c (write_insn_constraint_len): Change definition of
8849 insn_constraint_len to return size_t to match the declaration.
8851 2006-03-10 DJ Delorie <dj@redhat.com>
8853 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8855 (m32c_expand_insv): Fix test for an AND mask.
8857 2006-03-10 Richard Guenther <rguenther@suse.de>
8860 * builtins.c (get_pointer_alignment): Handle component
8861 references for field alignment.
8863 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8865 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8866 when building with libgloss.
8867 (sh*elf): Implement --without-fp option.
8868 (sh64-superh-linux*): Don't multilib.
8870 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8872 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8874 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8876 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8877 Set it when one of the replacement functions returned true.
8878 Return TODO_cleanup_cfg if cfgchanged is true.
8879 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8881 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8883 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8884 instead of gen_lowpart.
8886 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8888 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8890 (mips_output_order_conditional_branch): Declare.
8891 * config/mips/mips.h (MIPS_BRANCH): New macro.
8892 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8893 for the comparison. Use gen_condjump.
8894 (mips_output_conditional_branch): Rework interface to take the
8895 asm templates for a direct branch and the inverse of a direct branch.
8896 (mips_output_order_conditional_branch): New function.
8897 (mips_builtin_branch_and_move): New function.
8898 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8899 branch condition. Use gen_single_cc as the condition for
8900 __builtin_mips_upper_* or __builtin_mips_lower_*.
8901 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8902 Use VOIDmode for the branch condition.
8903 * config/mips/predicates.md (order_operator): New predicate.
8904 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8905 (branch_fp): Rename to...
8906 (*branch_fp): ...this. Remove mode from comparison operator.
8907 Use new mips_output_conditional_branch interface.
8908 (branch_fp_inverted): Rename to...
8909 (*branch_fp_inverted): ...this and update as for *branch_fp.
8910 (*branch_zero<mode>): Rename to...
8911 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8912 Use mips_output_order_conditional_branch. Only accept ordered
8914 (*branch_zero<mode>_inverted): Rename to...
8915 (*branch_order<mode>_inverted): ...this and update as for
8916 *branch_order<mode>.
8917 (*branch_equality<mode>): Accept zero as the second operand to
8918 the equality operator. Use the new mips_output_conditional_branch
8920 (*branch_equality<mode>_inverted): Likewise.
8921 (condjump): New expander.
8922 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8924 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8925 (bc1any2t, bc1any2f): Likewise.
8926 (single_cc): New expander.
8927 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8929 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8931 * doc/md.texi: Update documentation of MIPS constraints.
8932 * config/mips/constraints.md: New file.
8933 * config/mips/mips.md: Include it.
8934 * config/mips/mips.c (mips_char_to_class): Delete.
8935 (override_options): Don't initialize mips_char_to_class.
8936 * config/mips/mips.h (mips_char_to_class): Delete.
8937 (REG_CLASS_FROM_LETTER): Delete.
8938 (CONST_OK_FOR_LETTER_P): Delete.
8939 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8940 (EXTRA_CONSTRAINT_Y): Delete.
8941 (EXTRA_CONSTRAINT_STR): Delete.
8942 (CONSTRAINT_LEN): Delete.
8943 (EXTRA_MEMORY_CONSTRAINT): Delete.
8945 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8947 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8948 original fn's eh regions.
8950 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8952 * fold-const.c (build_range_check): Make sure to use a valid type to
8953 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8956 (range_predecessor): New static function.
8957 (range_successor): Likewise.
8958 (merge_ranges): Use them to compute predecessors and successors of
8961 2006-03-09 Roger Sayle <roger@eyesopen.com>
8964 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8965 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8967 2006-03-08 DJ Delorie <dj@redhat.com>
8969 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8970 (addpsi3): Expand to include memory operands. Remove
8971 reload-specific splits.
8972 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8973 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8974 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8975 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8976 (shift1_qi, shift1_hi, insv): New.
8977 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8978 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8979 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8981 * config/m32c/m32c-protos.h: Update as needed.
8982 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8983 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8984 Fail for unrecognized R* constraints.
8985 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8986 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8987 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8989 (m32c_init_libfuncs): New.
8990 (m32c_legitimate_address_p): Add debug wrapper.
8991 (m32c_rtx_costs): New.
8992 (m32c_address_cost): New.
8993 (conversions): Add 'B' prefix.
8994 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8995 operands, or word regnames for QI operands. 'B' prints bit
8997 (m32c_expand_setmemhi): New.
8998 (m32c_expand_movmemhi): New.
8999 (m32c_expand_movstr): New.
9000 (m32c_expand_cmpstr): New.
9001 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9002 (m32c_expand_neg_mulpsi3): Handle non-ints.
9003 (m32c_cmp_flg_0): New.
9004 (m32c_expand_movcc): New.
9005 (m32c_expand_insv): New.
9006 (m32c_scc_pattern): New.
9007 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9008 a0/a1 out of SIregs.
9009 (STORE_FLAG_VALUE): New.
9010 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9013 * config/m32c/mov.md: Make constraints more liberal.
9014 (zero_extendqihi2): Optimize r0/r1 case.
9015 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9016 * config/m32c/predicates.md (m32c_any_operand): New.
9017 (m32c_nonimmediate_operand): New.
9018 (m32c_hl_operand): New.
9019 (m32c_r3_operand): New.
9022 (memsym_operand): New.
9023 (memimmed_operand): New.
9024 (a_qi_operand): New.
9025 (m32c_eqne_operator): New.
9026 (m32c_1bit8_operand): New.
9027 (m32c_1bit16_operand): New.
9028 (m32c_1mask8_operand): New.
9029 (m32c_1mask16_operand): New.
9030 * config/m32c/blkmov.md: New file.
9031 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9033 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9035 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9036 unsigned to fix signed/unsigned comparison issue in
9037 DWARF2_FRAME_REG_OUT.
9038 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9039 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9041 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9042 of ptr into the ENABLE_CHECKING section.
9044 2006-03-08 Jeff Law <law@redhat.com>
9046 * tree-vrp.c (infer_value_range): Only count pointer uses
9047 and dereferences if -fdelete-null-pointer-checks is enabled.
9049 * tree-vrp.c (find_assert_locations): Infer value ranges for
9050 single use pointers, but do not create ASSERT_EXPRs for them.
9051 When a non-null range is inferred for a pointer, backwards
9052 propagate that range to other equivalent pointers through the
9055 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9058 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9059 language hook targets.
9060 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9061 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9062 if language hook targets were missing.
9064 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9066 * tree-ssa-opfinalize.h: Removed.
9067 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9069 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9070 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9071 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9072 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9073 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9074 finalize_ssa_v_must_def_ops): New.
9076 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9078 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9081 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9083 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9085 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9086 addresses with offsets; reorganize.
9088 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9089 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9090 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9092 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9095 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9097 2006-03-08 Ben Elliston <bje@au.ibm.com>
9099 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9101 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9104 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9107 2006-03-07 Richard Guenther <rguenther@suse.de>
9109 PR tree-optimization/26587
9110 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9112 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9114 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9116 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9118 * hooks.c (hook_bool_mode_rtx_true): New function.
9119 * hooks.h (hook_bool_mode_rtx_true): Declare.
9120 * toplev.c (compile_file): Call output_shared_constant_pool.
9121 * varasm.c (shared_constant_pool): New variable.
9122 (assemble_start_function, assemble_end_function): Remove arguments
9123 from call to output_constant_pool.
9124 (create_constant_pool): New function, split out from...
9125 (init_varasm_status): ...here.
9126 (force_const_mem): Choose between the shared and per-function constant
9127 pools. Set current_function_uses_const_pool when reusing old entries
9128 as well as when creating new ones.
9129 (mark_constant): Ignore data argument.
9130 (mark_constants): Remove pool argument.
9131 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9132 to decide whether the function uses a constant pool.
9133 (output_constant_pool_contents): New function, split out from...
9134 (output_constant_pool): ...here.
9135 (output_shared_constant_pool): New function.
9136 (init_varasm_once): Initialize shared_constant_pool.
9137 * output.h (output_constant_pool): Delete.
9138 (output_shared_constant_pool): Declare.
9139 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9140 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9142 2006-03-06 Nick Clifton <nickc@redhat.com>
9144 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9145 flag_strength_reduce.
9147 2006-03-06 Ben Elliston <bje@au.ibm.com>
9149 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9150 x86_64-*-linux* configurations.
9152 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9153 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9155 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9157 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9159 * basic-block.h: Remove the extern for
9160 rediscover_loops_after_threading.
9162 * cfgloop.c (cancel_loop): Make it static.
9163 * cfgloop.h: Remove the prototype for cancel_loop.
9165 * flow.c (recompute_reg_usage): Make it static.
9166 * rtl.h: Remove the prototype for recompute_reg_usage.
9168 * function.c (use_return_register): Make it static.
9169 * function.h: Remove the prototype.
9171 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9173 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9175 * recog.h: Remove the prototype for
9176 validate_change_maybe_volatile.
9178 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9180 * rtlanal.c (replace_reg): Remove.
9181 * rtl.h: Remove the prototype for replace_reg.
9183 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9185 * regclass.c (reg_scan_update): Remove.
9186 (reg_scan_mark_refs): Remove the last argument.
9187 * rtl.h: Remove the prototype for reg_scan_update.
9189 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9191 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9192 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9193 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9194 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9195 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9196 loop-invariant.c, omp-low.c, opts.c, passes.c,
9197 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9198 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9199 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9200 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9201 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9202 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9204 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9206 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9207 * dwarf2out.h: Remove the prototype for
9208 dwarf2out_add_library_unit_info.
9210 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9212 * tree.c (add_var_to_bind_expr): Remove.
9213 * tree.h: Remove the prototype for add_var_to_bind_expr.
9215 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9217 * regclass.c (n_non_fixed_regs): Remove.
9218 (init_reg_sets_1, globalize_reg): Remove all uses of
9220 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9222 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9224 * rtlanal.c (insns_safe_to_move_p): Remove.
9225 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9227 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9229 * expmed.c (expand_mult_add): Remove.
9230 * expr.h: Remove the prototype for expand_mult_add.
9232 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9234 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9235 and REG_SAVED_VAL_EXP constants.
9236 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9237 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9238 Handle regs stored by value.
9239 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9240 (execute_cfa_program): Handle DW_CFA_val_offset,
9241 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9242 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9243 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9244 (uw_install_context_1): Handle target regs stored by value.
9246 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9248 * tree-sra.c (tree_sra): Return todoflags;
9249 (generate_one_element): Set TODO_update_smt_usage if needed.
9250 (pass_sra): Remove TODO_update_smt_usage.
9251 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9253 (tree_ssa_forward_propagate_single_use_vars): Return
9254 TODO_update_smt_usage if we need to update SMT usage.
9255 (pass_forwprop): Remove TODO_update_smt_usage.
9257 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9259 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9260 (correct_use_link): Remove reference to get_stmt_operands.
9261 (update_stmt_operands): Likewise.
9262 (get_modify_expr_operands): New function factored out of
9263 parse_ssa_operands and get_expr_operands.
9264 Try to create V_MUST_DEFs for LHS by default.
9265 (get_expr_operands) <case MODIFY_EXPR>: Call
9266 get_modify_expr_operands.
9267 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9268 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9269 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9270 get_modify_expr_operands.
9272 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9274 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9275 * tree-flow.h: Remove the prototype for
9276 referenced_var_lookup_if_exists.
9278 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9280 PR rtl-optimization/26345
9282 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9284 2006-03-03 Roger Sayle <roger@eyesopen.com>
9286 PR tree-optimization/26524
9287 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9288 fold_convert to create a constant of the appropriate type.
9290 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9292 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9293 SYMBOL_REF_IN_BLOCK_P.
9294 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9295 of SYMBOL_FLAG_IN_BLOCK.
9296 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9297 instead of SYMBOL_REF_IN_BLOCK_P.
9298 * explow.c (use_anchored_address): Likewise.
9299 * rtl.c (rtx_size): Likewise.
9300 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9301 instead of SYMBOL_FLAG_IN_BLOCK.
9302 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9303 SYMBOL_REF_IN_BLOCK_P.
9304 (assemble_variable): Likewise.
9305 (output_constant_def_contents): Likewise.
9306 (output_constant_pool): Likewise.
9307 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9308 instead of SYMBOL_FLAG_IN_BLOCK.
9309 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9310 SYMBOL_REF_IN_BLOCK_P.
9311 (SYMBOL_REF_BLOCK): Likewise.
9312 (SYMBOL_REF_OFFSET): Likewise.
9313 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9314 SYMBOL_REF_IN_BLOCK_P.
9315 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9316 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9317 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9318 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9320 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9322 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9324 2006-03-02 Roger Sayle <roger@eyesopen.com>
9326 * simplify-rtx.c (simplify_unary_operation): When simplifying
9327 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9328 that we perform the right shift in the appropriate mode, and
9329 then extend or truncate the result to requested mode.
9331 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9333 * gengtype.c (main): Handle double_int type.
9334 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9335 * double-int.c: New file.
9336 * double-int.h: New file.
9337 * system.h: Include doubleint.h.
9338 * Makefile.in (SYSTEM_H): Include double-int.h.
9339 (double-int.o): Add.
9341 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9344 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9347 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9349 * tree-vrp.c (remove_range_assertions): Do not update statements
9352 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9354 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9356 * gcse.c (rest_of_handle_gcse): Ditto.
9357 * except.c (gate_handle_eh): Ditto.
9358 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9359 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9361 2006-03-02 Eric Christopher <echristo@apple.com>
9363 * config/i386/i386.c (machopic_output_stub): Add indirection to
9366 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9370 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9372 Sun Niagara specific optimizations.
9373 * config.gcc: Recognize niagara as target.
9374 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9375 (TARGET_CPU_niagara): Define.
9376 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9377 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9378 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9379 (ASM_CPU_SPEC): Likewise.
9380 (PROCESSOR_NIAGARA): New enum entry.
9381 (REGISTER_MOVE_COST): Handle Niagara.
9382 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9383 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9384 (sparc_override_options): Recognize "niagara", set appropriate
9385 default MASK_* values for it, and align functions to 32-bytes
9386 by default just like ULTRASPARC/ULTRASPARC3.
9387 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9388 (sparc64_initialize_trampoline): Likewise.
9389 (sparc_use_sched_lookahead): Use zero for niagara.
9390 (sparc_issue_rate): Use one for niagara.
9391 * config/sparc/niagara.md: New file.
9392 * config/sparc/sparc.md: Include it.
9393 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9394 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9395 when default cpu is niagara.
9396 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9397 (ASM_CPU_SPEC): Likewise.
9398 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9399 when default cpu is niagara.
9400 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9401 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9402 just like v9/ultrasparc/ultrasparc3.
9403 * doc/invoke.texi: Add documentation for "niagara" and improve
9404 existing documentation for ultrasparc variants.
9406 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9408 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9410 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9412 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9413 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9414 and say that only one is needed.
9415 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9416 * target.h (have_switchable_bss_sections): New hook.
9417 * explow.c (use_anchored_address): Check that the symbol is in a block.
9418 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9419 (bss_noswitch_section): New variables.
9420 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9421 (get_noswitch_section): New function.
9422 (get_block_for_section): Allow SECT to be null.
9423 (unlikely_text_section_p): Use SECTION_STYLE.
9424 (bss_initializer_p): New function.
9425 (get_variable_section): Move earlier in file. Take a new argument,
9426 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9427 Return one of the new *_sections in such cases.
9428 (get_block_for_decl): New function, extracting some logic from
9429 use_blocks_for_decl_p.
9430 (change_symbol_section): Remove in favor of...
9431 (change_symbol_block): ...this new function.
9432 (use_blocks_for_decl_p): Remove checks now performed by
9434 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9435 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9436 (emit_local, emit_bss, emit_common): ...these new functions.
9437 Return true if the alignment was honored.
9438 (emit_tls_common): New function.
9439 (asm_emit_uninitialised): Delete.
9440 (assemble_variable_noswitch): New function, split out from...
9441 (assemble_variable): ...here. Don't make decisions about common
9442 variables here. Globalize all public decls that go into non-common
9443 sections. Check whether SYMBOL_REF_BLOCK is null.
9444 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9445 (output_constant_pool): Likewise.
9446 (init_varasm_once): Initialize the new section variables.
9447 (have_global_bss_p): New function.
9448 (categorize_decl_for_section): Use bss_initializer_p.
9449 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9450 (place_block_symbol): Assert that the symbol must be in a block.
9451 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9452 (TARGET_INITIALIZER): Include it.
9453 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9454 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9455 (SECTION_MACH_DEP): Bump by two.
9456 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9457 (unnamed_section): Mention SECTION_UNNAMED in comment.
9458 (named_section): Likewise SECTION_NAMED.
9459 (noswitch_section_callback): New type.
9460 (noswitch_section): New structure.
9461 (section): Add a noswitch_section alternative.
9462 (SECTION_STYLE): New macro.
9463 (tls_comm_section, comm_section, lcomm_section): Declare.
9464 (bss_noswitch_section, have_global_bss_p): Declare.
9465 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9466 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9468 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9469 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9472 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9474 * tree-vrp.c (execute_vrp): Return value.
9475 * regrename.c (rest_of_handle_regrename): Ditto.
9476 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9477 * tree-complex.c (tree_lower_complex): Ditto.
9478 (tree_lower_complex_O0): Ditto.
9479 * tracer.c (rest_of_handle_tracer): Ditto.
9480 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9481 * postreload.c (rest_of_handle_postreload): Ditto.
9482 * tree-tailcall.c (execute_tail_recursion): Ditto.
9483 (execute_tail_calls): Ditto.
9484 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9485 * tree.h (init_function_for_compilation): Ditto.
9486 * ipa-cp.c (ipcp_driver): Ditto.
9487 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9488 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9489 * final.c (compute_alignments): Ditto.
9490 (rest_of_handle_final): Ditto.
9491 (rest_of_handle_shorten_branches): Ditto.
9492 (rest_of_clean_state): Ditto.
9493 * omp-low.c (execute_expand_omp): Ditto.
9494 (execute_lower_omp): Ditto.
9495 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9496 * ipa-reference.c (static_execute): Ditto.
9497 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9498 * reorg.c (rest_of_handle_delay_slots): Ditto.
9499 (rest_of_handle_machine_reorg): Ditto.
9500 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9501 * flow.c (recompute_reg_usage): Ditto.
9502 (rest_of_handle_remove_death_notes): Ditto.
9503 (rest_of_handle_life): Ditto.
9504 (rest_of_handle_flow2): Ditto.
9505 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9506 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9507 (do_ssa_store_ccp): Ditto.
9508 (execute_fold_all_builtins): Ditto.
9509 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9510 * modulo-sched.c (rest_of_handle_sms): Ditto.
9511 * ipa-pure-const.c (static_execute): Ditto.
9512 * cse.c (rest_of_handle_cse): Ditto.
9513 (rest_of_handle_cse2): Ditto.
9514 * web.c (rest_of_handle_web): Ditto.
9515 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9516 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9517 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9518 * tree-nrv.c (tree_nrv): Ditto.
9519 (execute_return_slot_opt): Ditto.
9520 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9521 (create_structure_vars): Ditto.
9522 * loop-init.c (rtl_loop_init): Ditto.
9523 (rtl_loop_done): Ditto.
9524 (rtl_move_loop_invariants): Ditto.
9525 (rtl_unswitch): Ditto.
9526 (rtl_unroll_and_peel_loops): Ditto.
9527 (rtl_doloop): Ditto.
9528 * gimple-low.c (lower_function_body): Ditto.
9529 (mark_used_blocks): Ditto.
9530 * tree-ssa-sink.c (execute_sink_code): Ditto.
9531 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9532 (cgraph_early_inlining): Ditto.
9533 * global.c (rest_of_handle_global_alloc): Ditto.
9534 * jump.c (cleanup_barriers): Ditto.
9535 (purge_line_number_notes): Ditto.
9536 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9537 (rest_of_handle_if_after_reload): Ditto.
9538 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9539 (tree_ssa_loop_im): Ditto.
9540 (tree_ssa_loop_unswitch): Ditto.
9541 (tree_vectorize): Ditto.
9542 (tree_linear_transform): Ditto.
9543 (tree_ssa_loop_ivcanon): Ditto.
9544 (tree_ssa_empty_loop): Ditto.
9545 (tree_ssa_loop_bounds): Ditto.
9546 (tree_complete_unroll): Ditto.
9547 (tree_ssa_loop_prefetch): Ditto.
9548 (tree_ssa_loop_ivopts): Ditto.
9549 (tree_ssa_loop_done): Ditto.
9550 * predict.c (tree_estimate_probability): Ditto.
9551 * recog.c (split_all_insns_noflow): Ditto.
9552 (rest_of_handle_peephole2): Ditto.
9553 (rest_of_handle_split_all_insns): Ditto.
9554 * tree-eh.c (lower_eh_constructs): Ditto.
9555 * regmove.c (rest_of_handle_regmove): Ditto.
9556 (rest_of_handle_stack_adjustments): Ditto.
9557 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9558 * function.c (instantiate_virtual_regs): Ditto.
9559 (init_function_for_compilation): Ditto.
9560 (rest_of_handle_check_leaf_regs): Ditto.
9561 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9562 (rest_of_handle_gcse): Ditto.
9563 * ipa-type-escape.c (type_escape_execute): Ditto.
9564 * alias.c (rest_of_handle_cfg): Ditto.
9565 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9566 * profile.c (rest_of_handle_branch_prob): Ditto.
9567 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9568 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9569 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9570 * tree-dfa.c (find_referenced_vars): Ditto.
9571 * except.c (set_nothrow_function_flags): Ditto.
9572 (convert_to_eh_region_ranges): Ditto.
9573 (rest_of_handle_eh): Ditto.
9574 * emit-rtl.c (unshare_all_rtl): Ditto.
9575 (remove_unnecessary_notes): Ditto.
9576 * except.h (set_nothrow_function_flags): Ditto.
9577 (convert_to_eh_region_ranges): Ditto.
9578 * cfgexpand.c (tree_expand_cfg): Ditto.
9579 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9580 * tree-ssa-pre.c (do_pre): Ditto.
9581 (execute_fre): Ditto.
9582 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9583 (rest_of_handle_jump2): Ditto.
9584 * tree-sra.c (tree_sra): Ditto.
9585 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9586 (execute_mudflap_function_decls): Ditto.
9587 * tree-ssa-copy.c (do_copy_prop): Ditto.
9588 (do_store_copy_prop): Ditto.
9589 * ipa-prop.h (ipcp_driver): Ditto.
9590 * cfglayout.c (insn_locators_initialize): Ditto.
9591 * tree-ssa-forwprop.c
9592 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9593 * cfglayout.h (insn_locators_initialize): Ditto.
9594 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9595 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9596 (execute_late_warn_uninitialized): Ditto.
9597 * rtl.h (cleanup_barriers): Ditto.
9598 (split_all_insns_noflow): Ditto.
9599 (purge_line_number_notes): Ditto.
9600 (unshare_all_rtl): Ditto.
9601 (remove_unnecessary_notes): Ditto.
9602 (recompute_reg_usage): Ditto.
9603 (variable_tracking_main): Ditto.
9604 * integrate.c (emit_initial_value_sets): Ditto.
9605 * integrate.h (emit_initial_value_sets): Ditto.
9606 * tree-optimize.c (execute_free_datastructures): Ditto
9607 (execute_free_cfg_annotations): Ditto.
9608 (execute_fixup_cfg): Ditto.
9609 (execute_cleanup_cfg_pre_ipa): Ditto.
9610 (execute_cleanup_cfg_post_optimizing): Ditto.
9611 (execute_init_datastructures): Ditto.
9612 * tree-object-size.c (compute_object_sizes): Ditto.
9613 * combine.c (rest_of_handle_combine): Ditto.
9614 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9615 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9616 (rest_of_handle_reorder_blocks): Ditto.
9617 (rest_of_handle_partition_blocks): Ditto.
9618 * var-tracking.c (variable_tracking_main): Ditto.
9619 * tree-profile.c (tree_profiling): Ditto.
9620 * tree-vect-generic.c (expand_vector_operations): Ditto.
9621 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9622 * sched-rgn.c (rest_of_handle_sched): Ditto.
9623 (rest_of_handle_sched2): Ditto.
9624 * basic-block.h (free_bb_insn): Ditto.
9625 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9626 * tree-cfg.c (execute_build_cfg): Ditto.
9627 (remove_useless_stmts): Ditto.
9628 (split_critical_edges): Ditto.
9629 (execute_warn_function_return): Ditto.
9630 (execute_warn_function_noreturn): Ditto.
9631 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9632 * cfgrtl.c (free_bb_for_insn): Ditto.
9633 * passes.c (execute_one_pass): Run additional
9634 todos returned by execute function.
9635 * tree-pass.h (struct tree_opt_pass): Make execute
9638 2006-03-02 Richard Guenther <rguenther@suse.de>
9640 * tree-ssa-alias.c (find_used_portions): Consider taking
9641 the address as making the variable not write-only.
9643 2006-03-02 Nick Clifton <nickc@redhat.com>
9645 * config.gcc (default_use_cxa_atexit): Extend the description of
9646 this configure variable. Set its default value to "yes" for
9647 Linux, NetBSD and ELF targets on the assumption that they will
9648 use C libraries with the __cxa_atexit function.
9650 2006-03-02 Ben Elliston <bje@au.ibm.com>
9652 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9653 parameter as unused to suppress a build warning.
9655 2006-03-02 Ben Elliston <bje@au.ibm.com>
9657 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9660 2006-03-01 Roger Sayle <roger@eyesopen.com>
9663 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9664 declared name, the weak reference name, and the typeof name.
9665 (__gthrw): Avoid expanding the declared name suffix.
9666 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9668 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9670 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9672 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9673 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9674 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9675 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9676 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9677 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9678 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9679 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9680 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9681 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9682 (DW_END_default, DW_END_big, DW_END_little): New.
9683 (DW_END_lo_user, DW_END_hi_user): Define.
9684 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9685 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9686 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9689 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9691 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9693 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9695 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9697 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9699 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9700 to 'symbol_mem_tag'.
9702 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9705 2006-03-01 Roger Sayle <roger@eyesopen.com>
9707 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9709 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9712 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9713 MACHO_DYNAMIC_NO_PIC_P.
9714 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9716 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9719 * config/darwin-protos.h (darwin_asm_output_anchor):
9721 * config/darwin-sections.def (cstring_section):
9722 Add SECTION_MERGE to the flags.
9723 (literal4_section): Likewise.
9724 (literal8_section): Likewise.
9725 (objc_selector_refs_section): Likewise.
9726 (objc_cls_refs_section): Likewise.
9727 * config/darwin.c (darwin_asm_output_anchor): New
9729 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9731 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9733 Fix PR tree-optimization/26443
9734 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9735 to todo and PROP_tmt_usage to properties_destroyed.
9736 * tree-ssa-ccp.c (pass_ccp): Ditto.
9737 (pass_store_ccp): Ditto.
9738 * tree-ssa-dom.c (pass_dominator): Ditto.
9740 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9742 * tree-ssa-operands.c: Cleanup whitespace.
9743 (get_asm_expr_operands): Move before first invocation.
9744 (get_indirect_ref_operands): Likewise.
9745 (get_tmr_operands): Likewise.
9746 (get_call_expr_operands): Likewise.
9747 (append_def): Likewise.
9748 (append_use): Likewise.
9749 (append_v_may_def): Likewise.
9750 (append_v_must_def): Likewise.
9751 (add_call_clobber_ops): Likewise.
9752 (add_call_read_ops): Likewise.
9753 (add_stmt_operand): Likewise.
9754 (add_virtual_operand): Likewise.
9755 (build_ssa_operands): Likewise.
9757 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9762 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9763 with a call expr to ...
9764 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9766 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9768 * tree-vrp.c (extract_range_from_assert): Remove special
9769 handling for types with super-types.
9771 2006-03-01 Ben Elliston <bje@au.ibm.com>
9773 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9774 and powerpc64-*-linux* configurations.
9775 * config/t-dfprules: New file.
9777 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9778 Compile dfp-bit.c from the source directory using -DWIDTH and
9779 $DFP_CFLAGS to control the compilation of that file, rather than
9780 generating width-specific versions in the build directory.
9781 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9782 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9784 2006-02-28 Zack Weinberg <zackw@panix.com>
9786 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9789 2006-02-28 Eric Christopher <echristo@apple.com>
9791 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9792 Set up IN_LIBGCC definition of TARGET_64BIT.
9793 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9795 2006-02-28 Roger Sayle <roger@eyesopen.com>
9798 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9799 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9800 cases via the construction of "expr != 0".
9802 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9804 * alias.c (alias_invariant, alias_invariant_size): Remove.
9805 (record_base_value): Remove.
9806 (memrefs_conflict_p): Don't look at alias_invariant.
9807 (end_alias_analysis): Don't free it.
9808 * alias.h (record_base_value): Remove prototype.
9810 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9811 Adam Nemet <anemet@caviumnetworks.com>
9813 * rtl.h (truncated_to_mode): Declare it.
9814 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9815 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9816 (RTL_HOOKS_INITIALIZER): Include it.
9817 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9818 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9819 reg_truncated_to_mode.
9820 * rtlanal.c (truncated_to_mode): Define it.
9821 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9823 2006-02-28 Jeff Law <law@redhat.com>
9825 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9826 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9827 the range allowed by TYPE_PRECISION.
9829 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9831 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9833 PR tree-optimization/26419
9834 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9837 2006-02-27 Zack Weinberg <zackw@panix.com>
9839 * doc/md.texi: Fix typo in previous change.
9841 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9845 2006-02-27 Zack Weinberg <zackw@panix.com>
9847 * rtl.def (define_constraint, define_register_constraint)
9848 (define_memory_constraint, define_address_constraint): New MD forms.
9849 * gensupport.c (process_rtx): Put define_constraint etc on the
9851 * genpreds.c (process_define_predicate): Adjust comment. Validate
9852 the name, and call validate_exp to validate the expression.
9853 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9854 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9855 all callers changed.
9856 (validate_exp, needs_variable, struct constraint_data)
9857 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9858 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9859 (const_dbl_constraints, constraint_max_namelen)
9860 (have_register_constraints, have_memory_constraints)
9861 (have_address_constraints, have_address_constraints)
9862 (have_extra_constraints, have_const_int_constraints)
9863 (have_const_dbl_constraints, mangle, add_constraint)
9864 (process_define_constraint, process_define_register_constraint)
9865 (write_enum_constraint_num, write_lookup_constraint)
9866 (write_insn_constraint_len, write_regclass_for_constraint)
9867 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9868 (write_insn_extra_memory_constraint)
9869 (write_insn_extra_address_constraint)
9870 (write_satisfies_constraint_fns): New.
9871 (write_tm_preds_h): If we have new-style constraint definitions,
9872 prototype the functions generated from them, and define the
9873 old constraint interface (still used by generic code) in terms of
9875 (write_insn_preds_c): If we have new-style constraint definitions,
9876 generate all relevant functions from those definitions.
9877 (main): Handle define_constraint etc.
9878 * genoutput.c (struct constraint_data, indep_constraints)
9879 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9880 (mdep_constraint_len): New data structures and functions, defined
9881 #ifdef USE_MD_CONSTRAINTS.
9882 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9883 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9884 use new logic to validate operand constraints against constraint
9886 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9888 * defaults.h: If none of the old-style constraint macros are
9889 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9890 old-style macros; and poison REG_CLASS_FROM_LETTER,
9891 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9893 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9894 * doc/md.texi: Document new constraint-definition mechanism and the
9895 C interface it provides. Remove references to old mechanism
9896 elsewhere in the document.
9897 (Machine Constraints): Use pathnames relative to gcc directory,
9898 i.e. config/ARCH/FILE. Change i386 section to refer to
9899 config/i386/predicates.md; update that section to match docstrings.
9900 * doc/tm.texi: Move all documentation of the old constraint-
9901 definition macros to their own section, clearly mark as obsolete.
9903 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9904 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9906 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9907 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9908 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9910 (splits and peepholes): Use satisfies_constraint_*.
9911 * config/i386/i386.c (memory_address_length)
9912 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9914 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9916 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9917 scalar operation to be put back into the loop.
9919 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9922 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9923 (extract_cie_info): Handle S flag in augmentation string.
9924 (execute_cfa_program): If context->signal_frame, execute also
9925 fs->pc == context->ra instructions.
9926 (uw_frame_state_for): If context->signal_frame, don't subtract one
9927 from context->ra to find FDE.
9928 (uw_update_context_1): Set context->signal_frame to
9930 (_Unwind_GetIPInfo): New function.
9931 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9932 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9934 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9935 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9936 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9937 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9938 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9939 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9940 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9941 x86_64_fallback_frame_state): Set fs->signal_frame.
9942 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9943 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9944 (frob_update_context): Likewise. Workaround missing S flag in
9945 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9946 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9947 Remove the psw_addr + 1 hack.
9949 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9951 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9952 with aggregates here.
9953 (find_func_aliases): Remove code for &<aggregate> from here.
9955 2006-02-26 Roger Sayle <roger@eyesopen.com>
9957 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9958 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9959 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9962 2006-02-26 Roger Sayle <roger@eyesopen.com>
9965 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9967 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9969 * opts.c (decode_options): Do not handle flag_strength_reduce.
9970 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9971 and OPT_fstrength_reduce.
9972 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9973 flag_prefetch_loop_arrays for being nonzero.
9974 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9976 (fprefetch-loop-arrays-rtl): Removed.
9977 (flag_prefetch_loop_arrays): Do not specify the value.
9979 * doc/passes.texi: Update documentation of loop optimizer
9981 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9982 -frerun-loop-opt): Remove.
9984 2006-02-26 Richard Guenther <rguenther@suse.de>
9986 PR tree-optimization/26421
9987 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9988 in function calls that are ADDR_EXPRs as using the whole structure.
9990 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9992 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9993 * tree-pass.h (pass_loop_optimize): Remove.
9994 * passes.c (pass_loop_optimize): Never run it.
9995 * toplev.c (backend_init): Don't call init_loop.
9996 * opts.c (flag_loop_optimize_set): Remove.
9997 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9998 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9999 the old RTL loop optimizer when profiling enabled.
10000 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10001 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10002 pre-headers for the sake of the old RTL loop optimizer.
10003 * Makefile.in: Remove all references to loop.o.
10005 * doc/invoke.texi: Remove all references to -floop-optimize
10006 and -frerun-loop-opt.
10008 2006-02-26 Zack Weinberg <zackw@panix.com>
10010 * doc/md.texi (Machine Constraints): Refer to all files with paths
10011 relative to gcc directory (i.e. config/CPU/file). Add missing
10012 @table @code ... @end table to M32C subsection.
10014 2006-02-26 Roger Sayle <roger@eyesopen.com>
10016 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10018 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10020 2006-02-26 Roger Sayle <roger@eyesopen.com>
10021 James A. Morrison <phython@gcc.gnu.org>
10023 PR middle-end/21137
10024 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10025 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10026 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10027 signedness of the shift operation.
10029 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10031 PR tree-optimization/26359
10032 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10034 2006-02-25 Roger Sayle <roger@eyesopen.com>
10036 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10037 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10038 as X == 0, and some symmetry related transformations.
10039 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10041 2006-02-25 Roger Sayle <roger@eyesopen.com>
10043 PR middle-end/23673
10044 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10045 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10046 symmetry related transformations. Fold (X^C1) == C2 as
10049 2006-02-25 Juergen Weigert <jw@suse.de>
10050 Richard Guenther <rguenther@suse.de>
10052 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10054 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10056 * combine.c (gen_lowpart_or_truncate): Call
10057 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10059 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10061 * doc/invoke.texi: Move -fopenmp description to "Options for
10063 Remove reference to -lgomp.
10065 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10067 * doc/install.texi: Require GNU tar version 1.14.
10069 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10071 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10072 * doc/invoke.texi (C++ Dialect Options): Document
10073 -fno-use-cxa-get-exception-ptr.
10074 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10075 * configure: Regenerate.
10076 * c.opt (fuse-cxa-get-exception-ptr): New.
10077 * c-opts.c (c_common_handle_option): Handle
10078 OPT_fuse_cxa_get_exception_ptr.
10079 * c-common.c (flag_use_cxa_atexit): Update documentation.
10080 (flag_use_cxa_get_exception_ptr): New.
10081 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10082 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10084 (C_COMMON_OVERRIDE_OPTIONS): New.
10086 2006-02-24 Roger Sayle <roger@eyesopen.com>
10088 PR middle-end/24952
10089 * combine.c (try_combine): Explicitly check whether GET_CODE is
10090 a SET or a CLOBBER, instead on checking that it isn't a USE.
10092 2006-02-24 Roger Sayle <roger@eyesopen.com>
10094 * fold-const.c (fold_comparison): New subroutine of fold_binary
10095 containing transformations common to both the equality and
10096 ordering relational operators, factored out of fold_binary.
10097 (fold_binary): Separate out the equality operators (EQ_EXPR
10098 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10099 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10100 transformations common to both.
10101 (fold_div_compare): Fix latent bugs in the previously unreachable
10102 LT_EXPR and GE_EXPR cases.
10104 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10106 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10107 decl libname for clog to __clog on AIX.
10109 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10111 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10114 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10115 output traceback table for thunks. Localise rs6000_stack_info call.
10117 2006-02-23 Roger Sayle <roger@eyesopen.com>
10118 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10120 * gthr-posix.h (__gthrw): Fix typo in comment.
10122 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10124 * doc/cpp.texi (Character sets): Document that we do support
10125 input files to be in any character set.
10127 2006-02-23 Jeff Law <law@redhat.com>
10129 * tree.h (PHI_ARG_NONZERO): Remove.
10130 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10131 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10132 node to the new node.
10134 PR tree-optimization/26425
10135 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10136 min/max, then assume its varying.
10138 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10140 PR rtl-optimization/26316
10141 * rtlanal.c (enum may_trap_p_flags): New.
10142 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10143 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10144 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10145 (may_trap_after_code_motion_p): New function.
10146 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10147 (find_invariant_insn): Use may_trap_after_code_motion_p.
10148 * rtl.h (may_trap_after_code_motion_p): Declare.
10150 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10152 * emit-rtl.c (immed_double_const): Cleanup.
10154 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10156 Fix PR tree-optimization/26376
10157 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10160 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10162 PR middle-end/26412
10163 * gimplify.c (omp_add_variable): Guard variable size decl test with
10164 DECL_SIZE (decl) check.
10166 2006-02-23 Richard Guenther <rguenther@suse.de>
10168 PR middle-end/26439
10169 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10170 like aggregate types.
10172 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10174 * configure.ac: Add --with{,out}-long-double-128 configure option.
10175 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10176 * configure: Rebuilt.
10177 * config.in: Rebuilt.
10178 * doc/install.texi (Options specification): Document
10179 --with-long-double-128.
10181 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10182 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10183 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10184 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10186 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10188 * config/s390/s390.c (override_options): Handle
10189 TARGET_DEFAULT_LONG_DOUBLE_128.
10191 * config/alpha/alpha.c (override_options): Handle
10192 TARGET_DEFAULT_LONG_DOUBLE_128.
10194 * config/sparc/sparc.c (sparc_override_options): Handle
10195 TARGET_DEFAULT_LONG_DOUBLE_128.
10197 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10199 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10200 (real-install-headers-tar, real-install-headers-cpio)
10201 (real-install-headers-cp): New targets.
10203 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10205 * tree.h (variable_section): Delete.
10206 * varasm.c (variable_section): Delete.
10208 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10210 * install.texi: Add notes on install.texi2html.
10211 (Building in parallel): Do not use footnotes.
10213 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10216 * doc/install.texi (Configuration): Document --disable-libgomp.
10218 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10220 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10222 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10224 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10225 (vec_extractv2df_0_sse): New.
10227 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10229 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10230 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10231 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10232 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10233 to the result of the expression.
10234 (def_cfa_1): Adjust.
10235 (frame_pointer_cfa_offset): Rename to...
10236 (frame_pointer_fb_offset): ... this. Adjust all uses.
10237 (convert_cfa_to_loc_list): Rename to...
10238 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10239 Pass it on to build_cfa_loc.
10240 (compute_frame_pointer_to_cfa_displacement): Rename to...
10241 (compute_frame_pointer_to_fb_displacement): ... this. New
10242 offset parameter. Use it in computation.
10243 (gen_subprogram_die): Compute cfa_fb_offset with the new
10244 macro, and use it to compute the fb loc list and the
10247 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10249 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10250 replaced with register_operand.
10251 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10252 non-DREG is expensive.
10253 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10254 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10257 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10259 * doc/install.texi2html: Use set -e.
10261 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10263 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10264 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10265 * doc/invoke.texi (-fshared-data): Delete.
10266 * common.opt (fshared-data): Delete.
10267 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10268 (assemble_static_space): Remove #if 0 code.
10269 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10270 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10271 * config/cris/cris.h: Remove FIXME.
10273 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10275 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10278 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10280 PR middle-end/26379
10281 * combine.c (simplify_shift_const_1): Disable nested shifts
10282 optimization for vector shifts.
10284 2006-02-20 Roger Sayle <roger@eyesopen.com>
10286 PR tree-optimization/26361
10287 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10288 of unsigned integer types.
10290 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10292 * tree-chrec.c (eq_evolutions_p): New.
10293 * tree-chrec.h (eq_evolutions_p): Declared.
10294 * tree-data-ref.c: Fix formatting.
10295 (datadep_stats, dependence_stats): New.
10297 (print_direction_vector): New.
10298 (dump_data_dependence_relation): Use print_direction_vector.
10299 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10300 (compute_subscript_distance): Static.
10301 (initialize_data_dependence_relation): Static. Get the number
10302 of loops surrounding the references from the callers, and initialize
10303 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10304 base_object_differ_p analyzers.
10305 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10306 compute_overlap_steps_for_affine_1_2,
10307 analyze_subscript_affine_affine): Count the classified dependences.
10308 Print a message when a test failed.
10309 (can_use_analyze_subscript_affine_affine): New.
10310 (analyze_siv_subscript): Compute the data dependences on symbolic
10311 scevs that verify can_use_analyze_subscript_affine_affine.
10312 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10313 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10314 Handle symbolic scevs.
10315 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10317 (subscript_dependence_tester): Moved...
10318 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10319 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10320 DDR_SIZE_VECT instead of getting it in parameter.
10321 (subscript_dependence_tester): ... here. Take as a parameter
10322 loop_nest_depth. Call build_classic_dist_vector and
10323 build_classic_dir_vector.
10324 (compute_affine_dependence): Update subscript_dependence_tester
10325 parameters. Update datadep_stats counters. Call
10326 compute_subscript_distance.
10327 (compute_self_dependence): Save the dist and dir vectors. Call
10328 compute_subscript_distance.
10329 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10330 (compute_all_dependences): Reorder parameters as they were before
10331 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10332 compute_subscript_distance. Update the use of
10333 compute_affine_dependence and initialize_data_dependence_relation.
10334 (find_data_references_in_loop): Handle COMPONENT_REF.
10335 (compute_data_dependences_for_loop): Initialize dependence_stats.
10336 Don't call build_classic_dist_vector and build_classic_dir_vector.
10337 Update the parameters of initialize_data_dependence_relation and
10338 compute_all_dependences. Print the statistics from datadep_stats.
10339 (analyze_all_data_dependences): Static. Not used until the pass for
10340 checking the data dependences is contributed.
10341 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10342 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10343 (initialize_data_dependence_relation, compute_affine_dependence,
10344 analyze_all_data_dependences, compute_subscript_distance): Removed.
10345 (print_direction_vector): New.
10346 * lambda.h (gcd): ... here.
10347 (lambda_vector_gcd): Moved here from gcd_vector.
10348 * lambda-code.c (gcd, gcd_vector): Removed.
10349 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10350 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10352 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10354 * ipa-type-escape.c: Tidy some comments and white space.
10355 * tree-ssa-operands.c: Likewise.
10357 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10360 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10361 (dump_decl_name): Do not walk the decl tree chains.
10362 * tree-pass.h (TDF_CHAIN): Remove.
10364 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10366 * Makefile.in (C): Remove
10368 (.PHONY): Remove C and PROTO
10370 2006-02-20 Roger Sayle <roger@eyesopen.com>
10372 PR middle-end/26236
10373 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10374 deprecated CHAR_TYPE tree code.
10376 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10378 * configure.ac (target_list): Add install-info, dvi, html.
10379 * configure: Regenerate.
10381 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10382 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10383 treelang/Make-lang.in: Do not use double-colon rules.
10385 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10387 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10388 (TMT_USED_ALONE): New macro.
10389 * tree-pass.h (PROP_tmt_usage): New property.
10390 (TODO_update_tmt_usage): New todo.
10391 * tree-ssa-alias.c (updating_used_alone): New variable.
10392 (recalculate_used_alone): New function.
10393 (compute_may_aliases): Set updating_used_alone, call
10394 recalculate_used_alone.
10395 * tree-sra.c (pass_sra): Note that this pass destroys
10396 PROP_tmt_usage, and add TODO_update_tmt_usage.
10397 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10398 * tree-flow.h (updating_used_alone): Prototype.
10399 (recalculate_used_alone): Ditto.
10400 * passes.c (execute_todo): Add code to set updating_used_alone,
10401 and call recalculate.
10402 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10403 for clobber if used alone, and add assert to verify used_alone
10406 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10408 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10409 for non tls symbols added.
10410 (legitimize_address): Do nothing for PLUS expressions if one of the
10411 addends is a tls symbol reference.
10413 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10417 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10419 * Makefile.in (BOOTSTRAPPING): New.
10420 (quickstrap): New definition if BOOTSTRAPPING=yes.
10422 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10423 * configure.ac: Substitute all_selected_languages with the languages
10424 that were configured. For all the other variables except
10425 lang_specs_files, include all the languages in the tree.
10426 * configure: Regenerate.
10428 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10429 if there is one. Run the commands to run fixincludes in the same
10432 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10433 * doc/install.texi: Document exact conventions for searching target tools.
10434 Document --with-build-time-tools. Document toplevel bootstrap. Document
10435 something more about building an Ada cross-compiler. Don't list GNU Make
10436 requirements which affect all platforms.
10438 2006-02-19 Roger Sayle <roger@eyesopen.com>
10440 PR middle-end/19543
10441 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10442 only equivalent if the have both the same mode and precision.
10444 2006-02-20 Ben Elliston <bje@au.ibm.com>
10446 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10448 2006-02-19 Roger Sayle <roger@eyesopen.com>
10449 Steven Bosscher <stevenb.gcc@gmail.com>
10451 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10452 constant pool references to identify stack mode constants.
10453 * rtlanal.c (constant_pool_constant_p): New predicate to check
10454 whether operand is a floating point constant in the pool.
10455 * rtl.h (constant_pool_constant_p): Prototype here.
10456 * loop.c (scan_loop): Avoid hoisting constants from the constant
10457 pool on STACK_REGS targets.
10458 (load_mems): Likewise.
10459 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10460 loads into x87 registers expensive in terms of register pressure.
10462 2006-02-19 Roger Sayle <roger@eyesopen.com>
10464 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10465 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10467 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10469 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10470 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10472 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10474 * doc/invoke.texi: Document -fipa-pta.
10475 * common.opt: Add ipa-pta option.
10476 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10477 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10478 (do_ds_constraint): Ditto.
10479 (get_constraint_for): Only add to referenced_vars if
10480 referenced_vars exists.
10481 (insert_into_field_list): Rewrite to do this unsorted.
10482 (insert_into_field_list_sorted): Rename old insert_into_field_list
10484 (create_function_info_for): Use insert_into_field_list_sorted.
10485 (create_variable_info_for): Rewrite so it uses unsorted version,
10486 since the field list is sorted.
10487 (intra_create_variable_infos): Only add to referenced_vars if
10488 referenced_vars exists.
10489 (ipa_pta_execute): Init heapvars, and delete when done.
10490 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10492 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10494 * doc/install.texi: Add missing `@samp'.
10496 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10498 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10501 2006-02-18 Mark Wielaard <mark@klomp.org>
10503 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10504 who added new 4.1 features, bug fixes and integration support.
10506 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10509 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10510 MEM for ABI_V4 pic.
10512 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10514 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10515 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10516 (copy_insn_1): Likewise. Don't copy each field individually.
10518 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10520 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10521 * rtl.c (rtx_size): Rename variable to...
10522 (rtx_code_size): ...this.
10523 (rtx_size): New function.
10524 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10525 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10527 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10528 * rtl.h (rtx_code_size): New variable.
10529 (rtx_size): Change from a variable to a function.
10530 (RTX_SIZE): Rename to...
10531 (RTX_CODE_SIZE): ...this.
10534 PR tree-optimization/17106
10535 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10536 (Anchored Addresses): New section.
10537 * doc/invoke.texi (-fsection-anchors): Document.
10538 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10539 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10540 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10541 * hooks.c (hook_bool_mode_rtx_false): New function.
10542 * hooks.h (hook_bool_mode_rtx_false): Declare.
10543 * gengtype.c (create_optional_field): New function.
10544 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10545 SYMBOL_REF_IN_BLOCK_P is true.
10546 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10547 (min_anchor_offset, max_anchor_offset): Likewise.
10548 (use_anchors_for_symbol_p): New hook.
10549 * toplev.c (compile_file): Call output_object_blocks.
10550 (target_supports_section_anchors_p): New function.
10551 (process_options): Check that -fsection-anchors is only used on
10552 targets that support it and when -funit-at-a-time is in effect.
10553 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10554 if the decl doesn't have one.
10555 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10556 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10557 of force_const_mem through use_anchored_address.
10558 (expand_expr_constant): New function.
10559 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10560 calling expand_expr for INDIRECT_REF.
10561 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10562 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10563 * expr.h (use_anchored_address): Declare.
10564 * loop-unroll.c: Don't declare rtx vectors here.
10565 * explow.c: Include output.h.
10566 (validize_mem): Call use_anchored_address.
10567 (use_anchored_address): New function.
10568 * common.opt (-fsection-anchors): New switch.
10569 * varasm.c (object_block_htab, anchor_labelno): New variables.
10570 (hash_section, object_block_entry_eq, object_block_entry_hash)
10571 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10572 (use_blocks_for_decl_p, change_symbol_section): New functions.
10573 (get_variable_section): New function, split out from assemble_variable.
10574 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10575 use_blocks_for_decl_p say so. Use change_symbol_section if the
10576 symbol has already been created.
10577 (assemble_variable_contents): New function, split out from...
10578 (assemble_variable): ...here. Don't output any code for
10579 block symbols; just pass them to place_block_symbol.
10580 Use get_variable_section and assemble_variable_contents.
10581 (get_constant_alignment, get_constant_section, get_constant_size): New
10582 functions, split from output_constant_def_contents.
10583 (build_constant_desc): Create a block symbol if use_object_blocks_p
10584 says so. Or into SYMBOL_REF_FLAGS.
10585 (assemble_constant_contents): New function, split from...
10586 (output_constant_def_contents): ...here. Don't output any code
10587 for block symbols; just pass them to place_section_symbol.
10588 Use get_constant_section and get_constant_alignment.
10589 (force_const_mem): Create a block symbol if use_object_blocks_p and
10590 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10591 (output_constant_pool_1): Add an explicit alignment argument.
10592 Don't switch sections here.
10593 (output_constant_pool): Adjust call to output_constant_pool_1.
10594 Switch sections here instead. Don't output anything for block symbols;
10595 just pass them to place_block_symbol.
10596 (init_varasm_once): Initialize object_block_htab.
10597 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10598 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10599 (place_block_symbol, get_section_anchor, output_object_block)
10600 (output_object_block_htab, output_object_blocks): New functions.
10601 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10602 (TARGET_ASM_OUT): Include it.
10603 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10604 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10605 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10606 (TARGET_INITIALIZER): Include them.
10607 * rtl.c (rtl_check_failed_block_symbol): New function.
10608 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10609 (block_symbol, object_block): New structures.
10610 (rtx_def): Add a block_symbol field to the union.
10611 (BLOCK_SYMBOL_CHECK): New macro.
10612 (rtl_check_failed_block_symbol): Declare.
10613 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10614 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10615 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10616 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10617 * output.h (output_section_symbols): Declare.
10618 (object_block): Name structure.
10619 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10620 (default_use_anchors_for_symbol_p): Declare.
10621 * Makefile.in (RTL_BASE_H): Add vec.h.
10622 (explow.o): Depend on output.h.
10623 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10624 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10625 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10626 (rs6000_use_blocks_for_constant_p): New function.
10628 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10630 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10632 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10635 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10638 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10640 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10644 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10646 PR middle-end/26334
10647 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10648 instead of DECL_REGISTER.
10650 2006-02-18 Olivier Hainque <hainque@adacore.com>
10653 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10655 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10658 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10659 * opth-gen.awk: Handle Var and InverseMask together.
10660 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10661 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10662 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10663 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10665 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10666 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10667 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10668 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10669 LINUX_DYNAMIC_LINKER): Define.
10670 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10671 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10673 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10674 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10675 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10676 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10677 (TARGET_C99_FUNCTIONS): Don't define.
10678 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10679 GLIBC_DYNAMIC_LINKER.
10680 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10681 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10682 GLIBC_DYNAMIC_LINKER64): Define.
10683 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10684 LINUX_DYNAMIC_LINKER64.
10685 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10686 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10687 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10688 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10689 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10690 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10691 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10692 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10693 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10694 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10695 and LINUX_DYNAMIC_LINKER32.
10696 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10697 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10698 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10699 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10700 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10702 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10703 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10704 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10705 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10706 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10707 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10708 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10709 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10710 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10711 LINUX_DYNAMIC_LINKER): Define.
10712 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10713 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10714 GLIBC_DYNAMIC_LINKER64): Define.
10715 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10716 LINUX_DYNAMIC_LINKER64.
10717 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10718 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10719 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10720 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10721 LINUX_DYNAMIC_LINKER): Define.
10722 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10723 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10724 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10725 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10726 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10727 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10728 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10729 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10730 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10731 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10732 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10733 * doc/invoke.texi (-muclibc): Remove caveat about supported
10736 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10738 * doc/cpp.texi (__TIMESTAMP__): Document.
10740 2006-02-17 Roger Sayle <roger@eyesopen.com>
10742 PR middle-end/25600
10743 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10744 C is one less than the width of X (and related transformations).
10745 * simplify-rtx.c (simplify_unary_operation_1): Transform
10746 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10747 depending on STORE_FLAG_VALUE, were C is one less then the
10750 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10752 Fix PR tree-optimization/26341
10753 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10754 about NAME_MEMORY_TAG's.
10756 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10759 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10760 with hardware float support, and software float support. Add fcpy
10761 alternative to hardware patterns. Add alternatives to copy between
10762 general and floating-point registers to the 32-bit pattern.
10763 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10764 secondary reload to load a QI or HI mode constant into a floating
10766 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10767 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10769 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10772 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10774 (load_macho_picbase_di): Likewise.
10776 2006-02-16 Jeff Law <law@redhat.com>
10778 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10779 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10780 (ssa_name_nonzero_p): Likewise.
10781 (get_value_range): Return NULL if VRP is not running.
10782 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10783 VRP routines do not discover a range.
10784 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10785 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10786 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10787 (tree_expr_nonnegative_p): Similarly.
10788 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10789 (restore_nonzero_vars_to_original_value): Remove.
10790 (unsafe_associative_fp_binop): Remove.
10791 (tree_ssa_dominator_optimize): Remove initialization and
10792 finalization of nonzero_vars and nonzero_vars_stack.
10793 (dom_opt_initialize_block): No longer push marker on
10794 nonzero_vars_stack.
10795 (dom_opt_finalize_block): No longer call
10796 restore_nonzero_vars_to_original_value.
10797 (record_equivalences_from_phis): No longer look for
10798 nonzero PHI arguments.
10799 (cprop_into_successor_phis): No longer propagate nonzero
10800 property into PHI arguments. Lose unused argument. Caller
10802 (record_equivalences_from_stmt): No longer record nonzero
10803 values for SSA_NAMEs.
10804 (lookup_avail_expr): No longer use nonzero_vars.
10806 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10807 for sizetype when sizetype is unsigned.
10809 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10811 PR rtl-optimization/25603
10812 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10813 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10814 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10815 with new meaning of SETS.
10817 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10822 * config/linux.opt: New file.
10823 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10824 LINUX_DYNAMIC_LINKER): Define.
10825 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10826 * config.gcc (*-*-linux*): Define extra_options.
10827 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10828 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10829 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10830 GLIBC_DYNAMIC_LINKER.
10831 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10832 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10833 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10834 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10835 * doc/invoke.texi (GNU/Linux Options): New section.
10837 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10839 * config/sparc/sparc.md (setjmp): Rewrite.
10840 (setjmp_32): Delete.
10841 (setjmp_64): Likewise.
10843 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10845 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10848 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10850 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10853 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10855 PR rtl-optimization/26296
10856 * Makefile.in (loop-invariant.c): Add except.h dependency.
10857 * loop-invariant.c: Include except.h.
10858 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10860 2005-02-16 Paul Brook <paul@codesourcery.com>
10862 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10865 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10867 PR rtl-optimization/25636
10868 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10869 when deciding whether an insn is an initializing insn.
10871 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10873 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10874 (tree_code_size): Ditto.
10875 * tree.h (struct tree_memory_tag): Remove parent_var.
10876 (struct tree_struct_field_tag): New.
10879 (union tree_node): Add sft member.
10880 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10882 (create_sft): Add size and offset argument, set SFT_OFFSET and
10884 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10885 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10886 * tree-flow-inline.h (get_subvar_at): Update for
10887 SFT_OFFSET/SFT_SIZE.
10888 (var_can_have_subvars): Ditto.
10889 (overlap_subvar): Ditto.
10890 * print-tree.c (print_node): Print out interesting things for
10892 * tree-flow.h (struct subvar): Remove offset and size members.
10893 * tree-ssa-operands.c (get_expr_operands): Update for
10894 get_indirect_ref_operands changes.
10895 (get_indirect_ref_operands): Call add_virtual_operand instead of
10896 add_stmt_operand. Only recurse on base var if requested.
10897 (access_can_touch_variable): New function.
10898 (add_stmt_operand): Split virtual operand handling into ...
10899 (add_virtual_operand): Here. Add offset, size, and for_clobber
10900 arguments. Prune alias sets.
10901 (add_call_clobber_ops): Call add_virtual_operand.
10903 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10905 PR middle-end/26300
10906 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10908 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10909 than TREE_CODE as index into omp_clause_num_ops array.
10911 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10913 PR rtl-optimization/26184
10914 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10916 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10917 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10918 must_precede, must_follow and tobe_scheduled.
10921 * opts.c (common_handle_option): Free new_option pointer.
10922 * df-core.c (df_analyze): Free postorder pointer.
10924 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10926 * Makefile.in: Fix the examples about the use of stamps
10928 2006-02-15 Michael Matz <matz@suse.de>
10930 PR middle-end/22275
10932 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10933 influenced by maximum_field_alignment or DECL_PACKED.
10934 (update_alignment_for_field): Ditto.
10935 (place_field): Ditto.
10936 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10939 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10941 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10942 (debug_flow_info): Pass it.
10943 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10944 * bb-reorder.c (reorder_basic_blocks): Likewise.
10945 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10946 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10947 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10948 * gcse.c (gcse_main, bypass_jumps): Likewise.
10949 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10950 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10951 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10952 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10953 * rtl.h (dump_flow_info): Adjust prototype.
10954 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10955 * var-tracking.c (variable_tracking_main): Likewise.
10956 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10957 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10960 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10962 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10965 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10967 PR tree-optimization/26209
10968 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10969 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10971 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10973 2006-02-14 Roger Sayle <roger@eyesopen.com>
10975 PR middle-end/23670
10976 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10977 (X,Y) and the corresponding symmetry related transformations.
10978 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10979 (X,Y) and its symmetry related transformations.
10981 2006-02-14 Roger Sayle <roger@eyesopen.com>
10983 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10986 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10988 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10990 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10993 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10994 support COMDAT group.
10995 * configure: Regenerate.
10997 2006-02-14 Roger Sayle <roger@eyesopen.com>
10999 PR middle-end/26279
11000 PR middle-end/26280
11001 PR middle-end/26283
11002 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11004 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11006 Fix PR tree-optimization/26260
11008 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11010 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11011 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11012 * tree-ssa-structalias.c (create_variable_info_for): Use
11013 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11015 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11017 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11019 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11020 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11021 of the ending condition.
11022 * tree-ssa-loop-manip.c: Include params.h.
11023 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11024 tree_unroll_loop): New functions.
11025 * tree-pass.h (pass_loop_prefetch): Declare.
11026 * loop.c (rest_of_handle_loop_optimize): Test for
11027 -fprefetch-loop-arrays-rtl.
11028 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11029 * timevar.def (TV_TREE_PREFETCH): New timevar.
11030 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11031 pass_loop_prefetch): New.
11032 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11033 (cleanup_tree_cfg_loop): Call scev_reset.
11034 * common.opt (fprefetch-loop-arrays-rtl): Add.
11035 * tree-ssa-loop-prefetch.c: New file.
11036 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11037 (new_temp_expr_table): Initialize expr_vars.
11038 (free_temp_expr_table): Cleanup expr_vars.
11039 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11040 expressions from being merged into one.
11041 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11042 (struct tree_niter_desc): Add control, bound and cmp fields.
11043 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11045 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11046 (tree-cfgcleanup.o): Add SCEV_H dependency.
11047 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11048 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11050 2006-02-14 Richard Guenther <rguenther@suse.de>
11052 PR tree-optimization/26258
11053 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11054 in PHI argument processing.
11056 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11058 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11059 new expression in the requested machine mode.
11061 2006-02-13 Roger Sayle <roger@eyesopen.com>
11063 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11064 directly, instead let do_compare_rtx_and_jump handle this for us.
11065 * expr.c (expand_expr_real_1): Likewise.
11066 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11067 before do_jump_by_parts_greater.
11068 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11069 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11071 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11073 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11075 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11077 PR rtl-optimization/26235
11078 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11079 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11082 2006-02-13 Jeff Law <law@redhat.com>
11084 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11087 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11089 PR middle-end/26092
11090 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11091 twice if decl is a builtin. When trying again, call get_callee_fndecl
11092 first to verify it is still a builtin.
11094 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11096 * dwarf2out.c (base_type_die): Don't add AT_name here.
11097 (subrange_type_die): Don't add AT_name here.
11098 (modified_type_die): Rearrange code flow. Do add AT_name here.
11100 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11102 PR rtl-optimization/26247
11103 PR rtl-optimization/26248
11104 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11106 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11108 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11109 * config/fixtfdi.c: Likewise.
11110 * config/fixunstfdi.c: Likewise.
11111 * config/floatditf.c: Likewise.
11113 2006-02-13 Roger Sayle <roger@eyesopen.com>
11115 PR middle-end/24427
11116 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11117 into (X,C2) if C1 is a subset of the bits of C2. Transform
11118 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11120 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11122 2006-02-13 Josh Conner <jconner@apple.com>
11125 * varasm.c (function_section): Check for section name before
11126 calling select_section on targets that define
11127 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11128 unlikely_text_section instead of hot_function_section if
11129 first_function_block_is_cold.
11131 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11133 PR middle-end/25335
11134 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11136 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11138 PR rtl-optimization/26222
11139 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11140 after tree->rtl expansion.
11141 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11142 before passing it to emit_move_insn.
11144 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11146 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11148 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11149 Clarify documentation.
11150 * c-common.h (warn_write_strings): Remove.
11151 * c-common.c (warn_write_strings): Likewise.
11152 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11155 2006-02-12 Roger Sayle <roger@eyesopen.com>
11157 PR middle-end/25724
11158 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11159 (do_jump_parts_zero_rtx): New function renamed from
11160 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11161 (do_jump_parts_equality_rtx): New function split out from
11162 do_jump_parts_equality. Old implementation renamed as above.
11163 Call do_jump_parts_zero_rtx if either operand is zero.
11164 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11165 do all of the heavy lifting.
11166 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11167 calling either do_jump_by_parts_greater_rtx or
11168 do_jump_by_parts_equality_rtx.
11169 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11170 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11171 moved to do_compare_rtx_and_jump, call it directly.
11172 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11173 mode argument. Call do_compare_rtx_and_jump.
11174 (emit_case_nodes): Update calls to do_jump_if_equal.
11176 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11178 PR rtl-optimization/26225
11179 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11181 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11183 PR rtl-optimization/26232
11184 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11186 2006-02-11 Jason Merrill <jason@redhat.com>
11189 * tree-inline.c (declare_return_variable): Just don't use the
11190 modify target if it's a gimple complex reg and the return slot
11193 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11195 * doc/contrib.texi: Update my entry.
11197 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11199 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11201 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11203 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11206 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11208 * doc/invoke.texi (-floop-optimize2): Removed.
11209 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11210 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11211 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11212 * common.opt (floop-optimize2): Removed.
11213 (fmove-loop-invariants): Enabled by default.
11215 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11217 * tree-if-conv.c (combine_blocks): Free the result of
11218 get_loop_exit_edges.
11220 2006-02-10 Jeff Law <law@redhat.com>
11222 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11224 PR tree-optimization/26213
11225 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11226 loop trying to follow SSA_NAME_VALUE chains.
11228 2006-02-10 Richard Guenther <rguenther@suse.de>
11230 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11231 deal with structures that end in implicitly variable sized arrays.
11233 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11235 PR rtl-optimization/24762
11236 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11239 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11241 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11242 (struct ivopts_data): Add regs_used field.
11243 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11244 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11245 instead of loop_data->regs_used;
11246 (free_loop_data): Do not free aux fields for loops.
11247 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11248 and tree_ssa_iv_optimize_finalize.
11250 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11252 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11254 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11257 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11258 computing the effective result type.
11260 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11262 PR inline-asm/16194
11263 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11264 (tree_overlaps_hard_reg_set): Declare.
11265 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11266 type and signature to match function type expected by walk_tree.
11267 (tree_overlaps_hard_reg_set): New function.
11268 (decl_conflicts_with_clobbers_p): Rename to:
11269 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11270 Use tree_overlaps_hard_reg_set. Changed caller.
11271 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11272 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11273 * cris.c (cris_md_asm_clobbers): Likewise.
11275 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11277 * reload1.c (emit_input_reload_insns): Delete code that tries to
11278 inherit using find_equiv_reg.
11280 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11282 * c-common.h (flag_const_strings): Don't declare.
11283 * c-common.c (flag_const_strings): Remove.
11284 * c.opt (fconst_strings): Remove.
11285 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11286 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11287 (c_common_init_options): Don't set flag_const_strings.
11288 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11290 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11292 * arm.md (tlobits_cbranch): New pattern.
11293 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11294 testing a single bit.
11296 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11299 * tree-ssa-pre.c (create_component_ref_by_pieces):
11300 Handle RETURN_DECL like VAR_DECL.
11302 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11304 PR middle-end/26134
11305 * fold-const.c (fold_indirect_ref_1): Fold
11306 "*(foo *)&complexfoo" to "__real__ complexfoo"
11307 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11309 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11311 * tree-flow-inline.h (var_can_have_subvars):
11312 Volatile variables should not have subvariables.
11314 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11317 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11318 multiplying unsigned values.
11321 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11323 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11325 2006-02-08 Jason Merrill <jason@redhat.com>
11328 * tree.def: Elaborate on difference from MODIFY_EXPR.
11329 * doc/c-tree.texi (INIT_EXPR): Likewise.
11330 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11331 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11332 (gimplify_target_expr): Likewise.
11333 (gimplify_cond_expr): Remove target handling.
11334 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11335 (gimplify_expr): Clobber it here.
11336 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11337 Do return slot optimization if we have an INIT_EXPR.
11340 * tree-inline.c (declare_return_variable): Also clear
11341 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11344 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11346 PR middle-end/22439
11347 * gimplify.c (gimplify_one_sizepos): Fix typo.
11349 2006-02-08 Jeff Law <law@redhat.com>
11351 PR tree-optimization/21417
11352 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11353 across a backedge if the control statement at the end of the
11354 block is data dependent on other statements in the same block.
11355 (record_temporary_equivalences_from_stmts): Remove over-conservative
11356 test for threading across backedges.
11358 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11359 control statement, handle all three special cases in the same
11360 manner as they all have the same desired solution. No longer
11361 special case edge flag updating when the post dominator is
11364 2006-02-08 Roger Sayle <roger@eyesopen.com>
11366 * tree.def (CHAR_TYPE): Remove.
11367 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11368 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11369 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11370 (gen_string_type_die): Delete unreachable function.
11372 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11373 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11374 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11375 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11376 * builtins.c (type_to_class): Likewise.
11377 * fold-const.c (fold_convert, build_range_check,
11378 merge_ranges): Likewise.
11379 * expr.c (count_type_elements): Likewise.
11380 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11381 * stor-layout.c (layout_type): Likewise.
11382 * ipa-type-escape.c (type_to_consider): Likewise.
11383 * gimplify.c (omp_firstprivatize_type_sizes,
11384 gimplify_type_sizes): Likewise.
11385 * explow.c (promote_mode): Likewise.
11386 * tree-sra.c (is_sra_scalar_type): Likewise.
11387 * varasm.c (output_constant): Likewise.
11388 * tree-inline.c (remap_type_1): Likewise.
11389 * convert.c (convert_to_pointer, convert_to_real,
11390 convert_to_integer, convert_to_complex): Likewise.
11392 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11394 * df-scan.c (df_def_record_1): A set destination may
11395 be a parallel regardless of mode.
11397 2006-02-08 Roger Sayle <roger@eyesopen.com>
11400 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11401 * config/mips/_tilib.c: Remove.
11402 * config/fixtfdi.c: New libgcc source file.
11403 * config/fixunstfdi.c: New source file.
11404 * config/floatditf.c: New source file.
11405 * config/floatunditf.c: New souce file.
11406 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11407 files above instead of config/mips/_tilib.c.
11408 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11410 2006-02-08 Jeff Law <law@redhat.com>
11412 PR tree-optimization/26169
11413 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11416 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11418 * df.h (DF_REG_SIZE): Return the length of the initialized
11421 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11423 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11424 __muldf3): Return a correctly signed zero.
11426 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11428 * passes.c (register_one_dump_file): Accept the current properties
11429 instead of pass number. Adjust call to dump_register. Remove
11431 (register_dump_files): Now a wrapper around...
11432 (register_dump_files_1): ... this one. Do not modify the pass
11434 (next_pass_1): Cosmetic fix.
11435 (execute_todo): Keep second parameter only. Use curr_properties
11436 instead of fetching it from the pass structure. Check and set
11438 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11439 instead of fetching it from the pass structure. Fix calls to
11440 execute_todo. Update curr_properties and initialize .vcg RTL dump
11441 after running the pass. Reset last_verified.
11442 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11444 (FIRST_AUTO_NUMBERED_DUMP): New.
11445 (dump_register): Remove "num" parameter, assign it within the
11447 (get_dump_file_name): Modify template for dumps.
11448 * tree-dump.h (dump_register): Adjust prototype.
11449 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11450 (PROP_trees): Add PROP_gimple_lomp.
11451 (TODO_set_props): New.
11452 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11453 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11454 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11456 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11458 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11459 (sparc64-*-linux*): Likewise.
11460 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11461 * config/sparc/t-linux: New file.
11462 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11463 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11464 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11465 -m32 -mlong-double-128.
11467 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11468 * config/alpha/t-linux: New file.
11469 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11471 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11472 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11473 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11474 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11475 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11476 (CPP_ARCH32_SPEC): Remove.
11478 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11480 PR tree-optimization/26145
11481 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11484 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11487 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11488 >= 240000 when generating code for SOM runtime.
11489 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11490 to $$dyncall when generating code for SOM runtime..
11492 2006-02-07 Dirk Mueller <dmueller@suse.com>
11495 * doc/invoke.texi (-Wsequence-point): Update documentation
11496 that -Wsequence-point is implemented for C++ as well.
11498 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11500 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11501 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11502 (LIB_SPEC): Likewise.
11503 * doc/invoke.texi (SPARC options): Document -pthread.
11505 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11507 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11510 2006-02-07 Roger Sayle <roger@eyesopen.com>
11512 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11513 Correct comment describing BOOLEAN_TYPE.
11515 2006-02-07 Dirk Mueller <dmueller@suse.com>
11517 * c.opt: C++ frontend supports -Wdiv-by-zero.
11518 * c-opts.c (c_common_handle_option): Remove dead case.
11520 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11522 * configure.ac (TLS assembler check): Do not enable TLS by
11523 default on SPARC/Solaris before version 10.
11524 * configure: Regenerate.
11526 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11528 * doc/invoke.texi (xl-compat): Document conversion and support
11531 2006-02-07 Jeff Law <law@redhat.com>
11533 * tree-vrp.c (find_conditional_asserts): Update comments.
11534 (simplify_stmt_for_jump_threading): New.
11535 (identify_jump_threads, finalize_jump_threads): New.
11536 (vrp_finalize): Call identify_jump_threads.
11537 (execute_vrp): Call finalize_jump_threads.
11538 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11539 (vrp_element, vrp_data, vrp_element_p): Remove.
11540 (vrp_hash_elt, vrp_variables_stack): Remove.
11541 (vrp_hash, vrp_eq, record_range): Remove.
11542 (simplify_cond_and_lookup_avail_expr): Remove.
11543 (extract_range_from_cond): Remove.
11544 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11545 (simplify_stmt_for_jump_threading): New.
11546 (dom_thread_across_edge): New wrapper.
11547 (tree_ssa_dominator_optimize): No longer initialize or
11548 finalize any of the VRP datastructures. Remove iteration
11549 step and simplify as a result of removal of iteration step.
11550 (pass_dominator): Perform a cfg cleanup after DOM.
11551 (dom_opt_finalize_block): Use the new common routines
11552 for threading jumps. Simplify stack management slightly.
11553 No longer need to unwind VRP state.
11554 (record_equivalences_from_incoming_edge): No longer record
11556 (eliminate_redundant_computations): No longer call
11557 simplify_cond_and_lookup_avail_expr.
11558 * tree-flow.h (potentially_threadable_block): Prototype.
11559 (thread_across_edge): Likewise.
11560 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11561 (tree-ssa-threadedge.o): Add dependencies.
11562 * tree-ssa-threadedge.c: New file.
11563 * passes.c (init_optimization_passes): Merge PHIs before
11564 calling VRP. Run VRP again late in the SSA optimization pipeline.
11566 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11568 * df-core.c (df_set_blocks): Do not dereference function pointers.
11569 (df_finish1): Likewise.
11570 (df_hybrid_search_forward): Likewise.
11571 (df_hybrid_search_backward): Likewise.
11572 (df_iterative_dataflow): Likewise.
11573 (df_analyze_problem): Likewise.
11574 (df_compact_blocks): Likewise.
11575 (df_dump): Likewise.
11576 * df-scan.c (df_rescan_blocks): Likewise.
11577 (df_record_entry_block_defs): Likewise.
11579 * genconditions.c (write_conditions): Guard the definition of
11580 'insn_conditions' with the check on GCC version.
11581 (write_writer): Guard the traversal 'insn_conditions' with
11582 the check on GCC version.
11584 2006-02-07 Richard Guenther <rguenther@suse.de>
11588 2006-01-30 Richard Guenther <rguenther@suse.de>
11590 * gimplify.c (gimplify_target_expr): Handle easy cases
11591 without creating a temporary.
11593 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11595 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11596 use of float in probability computations. Use edge probabilities
11597 in place of statically computed probabilities.
11598 (min_spec_prob): New static variable.
11599 (schedule_insns): Initialize it.
11600 (GET_SRC_PROB): Removed.
11601 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11603 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11606 * config/ia64/unwind-ia64.c: Revert last change.
11607 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11608 (INCOMING_FRAME_SP_OFFSET): Define.
11610 2006-02-06 Roger Sayle <roger@eyesopen.com>
11612 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11614 2006-02-07 Ben Elliston <bje@au.ibm.com>
11616 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11617 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11618 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11619 (ix86_return_in_memory): Handle TDmode.
11620 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11621 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11623 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11625 * reorg.c (dbr_schedule): Use dump_file instead of file.
11627 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11630 * config/ia64/predicates.md (extr_len_operand): New predicate.
11631 * config/ia64/ia64.md (extv): Tighten constraints.
11633 (*tbit_and_2): Ditto.
11634 (*tbit_and_3): Ditto.
11635 (*tbit_or_2): Ditto.
11636 (*tbit_or_3): Ditto.
11637 (*bit_zero): Ditto.
11640 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11643 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11645 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11647 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11648 loop_optimizer_init and loop_optimizer_finalize
11649 * tree-ssa-sink.c (execute_sink_code): Ditto.
11650 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11651 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11652 tree_ssa_loop_done): Ditto.
11653 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11654 * sched-ebb.c: Include output.h.
11655 (schedule_ebbs): Do not use dump argument.
11656 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11657 * loop.c (loop_dump_stream): Removed.
11658 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11660 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11661 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11662 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11663 loop_iterations, strength_reduce, record_biv, record_giv,
11664 final_giv_value, check_final_value, check_ext_dependent_givs,
11665 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11666 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11667 dump_file instead of loop_dump_stream.
11668 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11669 argument dump_file.
11670 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11672 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11673 * haifa-sched.c: Include output.h
11674 (schedule_insns, sched_init): Do not use dump argument.
11675 * mode-switching.c (optimize_mode_switching): Ditto.
11676 * modulo-sched.c (stats_file): Removed.
11677 (print_node_sched_params): Do not call argument dump_file.
11678 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11679 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11681 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11683 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11684 rtl_loop_init, rtl_loop_done): Ditto.
11685 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11686 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11688 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11689 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11690 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11691 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11692 * emit-rtl.c (renumber_insns): Ditto.
11693 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11694 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11695 * regclass.c (regclass): Ditto.
11696 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11697 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11698 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11699 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11701 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11702 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11704 * gcse.c (gcse_file, debug_stderr): Removed.
11705 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11706 rest_of_handle_gcse): Do not use dump argument.
11707 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11708 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11709 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11710 compute_code_hoist_vbeinout, compute_code_hoist_data,
11711 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11712 compute_store_table, build_store_vectors, insert_insn_start_bb,
11713 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11714 store_motion): Use dump_file instead of gcse_file.
11715 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11716 * profile.c (profile_dump_file): Removed.
11717 (branch_prob): Use dump_file instead of profile_dump_file.
11718 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11720 * tree-ssa-copy.c (dump_copy_of): Ditto.
11721 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11722 dump file to life_analysis.
11723 * bt-load.c (branch_target_load_optimize): Ditto.
11724 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11726 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11727 regclass, dbr_schedule): Declaration changed.
11728 * sched-int.h (sched_init): Declaration changed.
11729 * tree-profile.c (tree_profile_dump_file): Removed.
11730 (tree_profile_hooks): Removed profile_dump_file hook.
11731 * rtl-profile (rtl_profile_dump_file): Removed.
11732 (rtl_profile_hooks): emoved profile_dump_file hook.
11733 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11735 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11736 * tree-cfg.c (build_tree_cfg): Ditto.
11737 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11738 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11739 Declaration changed.
11740 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11741 life_analysis and schedule_insns.
11742 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11744 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11746 * config/mips/mips.c (mips_reorg): Ditto.
11747 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11750 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11752 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11753 (s390_mangle_fundamental_type): New.
11754 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11757 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11758 (alpha_mangle_fundamental_type): New.
11759 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11762 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11764 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11766 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11767 (sparc_mangle_fundamental_type): New.
11769 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11771 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11772 (s390x-*-linux*): Likewise.
11773 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11774 * config/s390/t-linux: New file.
11776 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11778 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11779 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11781 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11783 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11784 (ANTIC_SAFE_LOADS): New macro.
11785 (find_or_generate_expression): Add prototype.
11786 (set_contains_value): Allow null set for sake of not always having
11787 to allocate ANTIC_SAFE_LOADS.
11788 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11789 Allow COMPONENT_REF too.
11790 (valid_in_set): Allow COMPONENT_REF.
11791 Check ANTIC_SAFE_LOADS too.
11792 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11793 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11795 (can_PRE_operation): Add COMPONENT_REF.
11796 (create_component_ref_by_pieces): New function.
11797 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11798 (insert_aux): Move AGGREGATE_TYPE_P check here.
11799 (compute_avail): Set bb local stmt uids.
11800 (pass_pre): Use TODO_update_ssa_only_virtuals.
11802 2006-02-06 Ben Elliston <bje@au.ibm.com>
11804 * configure.ac: Unconditionally disable decimal float by default.
11805 * configure: Regenerate.
11807 2006-02-06 Ben Elliston <bje@au.ibm.com>
11809 * read-rtl.c (read_name): Terminate reading on EOF.
11811 2006-02-06 Ben Elliston <bje@au.ibm.com>
11813 * dfp.c (decimal_real_arithmetic): Change second argument type
11814 from int to enum tree_code. Do not always return true, but now
11815 return result of any call to decimal_do helper functions.
11816 * dfp.h (decimal_real_arithmetic): Update prototype.
11818 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11820 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11822 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11825 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11828 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11830 * tree-vrp.c (cfg_loops): Removed.
11831 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11832 Use current_loops instead of cfg_loops. Pass flags to
11833 loop_optimizer_init.
11834 * cfgloopmanip.c (fix_loop_structure): Update only available
11836 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11837 loop_optimizer_init.
11838 * modulo-sched.c (build_loops_structure): Removed.
11839 (sms_schedule): Use loop_optimizer_init.
11840 * loop-init.c (loop_optimizer_init): Use flags to determine
11841 which properties of loops to prepare.
11842 (rtl_loop_init): Pass flags to loop_optimizer_init.
11843 * tree-ssa-sink.c (execute_sink_code): Ditto.
11844 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11845 * tree-ssa-pre.c (init_pre): Ditto.
11846 * cfgloop.h (LOOPS_NORMAL): New.
11847 (loop_optimizer_init): Declaration changed.
11849 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11851 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11852 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11854 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11856 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11858 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11859 * pa/t-pa64: Delete quadlib.c rule.
11860 * pa/x-ada: Revert last change.
11861 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11863 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11865 PR rtl-optimization/26087
11866 * rtlanal.c (canonicalize_condition): Do not cross basic block
11869 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11872 * config/ia64/ia64.c: Include debug.h.
11873 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11874 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11875 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11876 (process_epilogue, process_set, process_for_unwind_directive):
11877 Output unwind info only if requested. Add CFA info if requested.
11878 Add new arguments as needed. Adjust callers.
11879 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11881 (DWARF2_FRAME_INFO): Define to zero.
11882 * config/ia64/unwind-ia64.c: Remove code that compensated for
11883 the CFA offset error fixed above.
11884 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11885 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11886 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11887 -funwind-tables and -fexceptions to enable frame info.
11888 (dwarf2out_frame_init): Define initial CFA even if
11889 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11890 DWARF2_UNWIND_INFO is nonzero, not just defined.
11891 (dwarf2out_frame_finish): Output non-EH call frame info only
11892 if DWARF2_FRAME_INFO is nonzero.
11893 (convert_cfa_to_loc_list,
11894 compute_frame_pointer_to_cfa_displacement): Define even if
11895 unwind info is not supported.
11896 (gen_subprogram_die): Use the above unconditionally. Remove
11897 legacy alternate code.
11898 * toplev.c (compile_file): Compile in call to
11899 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11900 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11902 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11903 Jakub Jelinek <jakub@redhat.com>
11905 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11906 IBM extended float format long double as "g" on powerpc*-linux.
11908 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11911 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11912 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11914 2006-02-03 Jason Merrill <jason@redhat.com>
11917 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11919 PR middle-end/25977
11920 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11921 on the return slot if it's an NRV.
11923 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11925 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11926 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11927 rewrite_use): Do not handle USE_OUTER.
11928 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11929 add_iv_outer_candidates, may_replace_final_value,
11930 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11931 (find_interesting_uses_op): Functionality of
11932 find_interesting_uses_outer_or_nonlin moved here.
11933 (find_interesting_uses_outside): Use find_interesting_uses_op.
11935 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11938 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11940 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11941 Ulrich Weigand <uweigand@de.ibm.com>
11944 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11945 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11946 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11947 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11949 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11950 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11951 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11952 Define secondary reloads for TFmode moves.
11953 (constant_modes): Add TFmode.
11954 (NR_C_MODES): Set to 8.
11955 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11957 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11958 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11959 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11960 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11961 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11962 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11963 (FPR mode macro): Add TFmode.
11964 (DSF mode macro): New.
11965 (<de>, <dee> mode attributes): Removed.
11966 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11967 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11968 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11969 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11970 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11971 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11972 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11973 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11974 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11975 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11976 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11977 "*negabs<mode>2", "sqrt<mode>2"):
11978 Changed <de> to <xde>. R constraint replaced by <Rf>.
11979 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11981 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11982 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11983 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11985 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11986 "extenddftf2", "extendsftf2"): New expanders.
11987 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11988 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11989 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11990 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11992 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11993 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11994 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11995 __floatditf): Add a GCC_4.1.0 symbol version tag.
11996 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11999 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12002 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12003 Use targetm.binds_local_p instead of TREE_PUBLIC.
12005 2006-02-02 Roger Sayle <roger@eyesopen.com>
12007 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12008 on INTEGER_TYPEs to indicate that it denotes a character type.
12009 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12010 signed_char_type_node, unsigned_char_type_node and char_type_node.
12011 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12012 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12013 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12015 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12016 Daniel Berlin <dberlin@dberlin.org>
12018 * tree-tailcall.c (arg_needs_copy_p): New function.
12019 (eliminate_tail_call): Use arg_needs_copy_p.
12020 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12021 (add_virtual_phis): New function.
12023 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12025 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12026 #ignore instead of #scratch for %g7 .register directive.
12028 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12030 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12033 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12035 * flow.c (calculate_global_regs_live): Assert that there aren't any
12038 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12040 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12041 what its name says.
12042 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12043 bsi_after_labels iterator.
12044 * tree-if-conv.c (find_phi_replacement_condition,
12045 replace_phi_with_cond_modify_expr): Likewise.
12046 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12047 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12049 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12051 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12053 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12056 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12057 array after growing it.
12059 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12061 PR middle-end/24901
12062 * fold-const.c (fold_checksum_tree): Change type of buf.
12064 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12066 * reload.c (push_secondary_reload): Initialize t_icode.
12068 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12070 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12071 -msoft-float -mlong-double-128 only issue a warning, but don't
12072 swich to DFmode long double.
12074 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12076 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12077 has a constant equivalent, iterate over equivalents for arg0,
12078 calling simplify_relational_operation and if there's a result
12079 cheaper than X, apply fold_rtx and return the result.
12081 2006-02-01 Jan Hubicka <jh@suse.cz>
12083 * opts.c (no_unit_at_a_time_default): New global variable.
12084 (decode_options): Use it.
12085 * opts.h (no_unit_at_a_time_default): Declare.
12087 2006-02-01 Paul Brook <paul@codesourcery.com>
12089 * function.c (assign_parm_setup_reg): Use function argument promotion
12091 * expr.c (expand_expr_real_1): Use function argument promotion rules
12094 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12096 * gcc.c (process_command): Change j to 'unsigned int'.
12098 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12100 PR middle-end/26001
12101 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12102 Use the corrected index for the character
12103 out of the string constant.
12105 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12107 * mode-switching.c (optimize_mode_switching): Fix size
12108 allocated for bb_info[n_entities].
12110 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12112 * gcc.c (main): Correct type that is allocated for
12113 explicit_link_files.
12115 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12117 * config/s390/s390.c (init_alignment_context): Set
12118 ALIAS_SET_MEMORY_BARRIER on the MEM.
12119 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12121 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12123 PR middle-end/25933
12124 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12126 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12129 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12131 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12132 * regrename.c: Ditto.
12133 * tree-ssa-loop-im.c: Ditto.
12134 * tree-dump.c: Ditto.
12135 * tree-complex.c: Ditto.
12136 * genrecog.c: Ditto.
12137 * tree-ssa-threadupdate.c: Ditto.
12139 * java/class.c: Ditto.
12140 * java/jcf-parse.c: Ditto.
12141 * java/resource.c: Ditto.
12142 * java/except.c: Ditto.
12143 * java/jvspec.c: Ditto.
12144 * java/jcf-write.c: Ditto.
12145 * java/jcf-path.c: Ditto.
12146 * java/gjavah.c: Ditto.
12147 * java/zextract.c: Ditto.
12148 * java/jcf-io.c: Ditto.
12149 * java/jcf.h: Ditto.
12150 * java/buffer.c: Ditto.
12151 * java/lang.c: Ditto.
12152 * java/parse-scan.y: Ditto.
12153 * java/lex.c: Ditto.
12154 * java/lex.h: Ditto.
12155 * cfgloopmanip.c: Ditto.
12156 * postreload-gcse.c: Ditto.
12157 * tree-ssa-loop-manip.c: Ditto.
12158 * postreload.c: Ditto.
12159 * tree-ssa-loop-ch.c: Ditto.
12162 * cppspec.c: Ditto.
12163 * diagnostic.c: Ditto.
12165 * genoutput.c: Ditto.
12167 * cfghooks.c: Ditto.
12168 * cfgloopanal.c: Ditto.
12169 * objc/objc-act.c: Ditto.
12171 * genextract.c: Ditto.
12172 * genautomata.c: Ditto.
12173 * pretty-print.c: Ditto.
12174 * genemit.c: Ditto.
12175 * cgraphunit.c: Ditto.
12177 * df-scan.c: Ditto.
12178 * haifa-sched.c: Ditto.
12179 * dominance.c: Ditto.
12181 * tree-ssa-loop-ivopts.c: Ditto.
12182 * df-core.c: Ditto.
12183 * mode-switching.c: Ditto.
12184 * modulo-sched.c: Ditto.
12186 * ipa-pure-const.c: Ditto.
12188 * fix-header.c: Ditto.
12190 * tree-stdarg.c: Ditto.
12191 * ipa-utils.c: Ditto.
12192 * loop-init.c: Ditto.
12193 * ipa-inline.c: Ditto.
12194 * cfganal.c: Ditto.
12196 * alloc-pool.c: Ditto.
12197 * dwarf2out.c: Ditto.
12199 * genattrtab.c: Ditto.
12200 * tree-ssa-loop-ivcanon.c: Ditto.
12201 * predict.c: Ditto.
12202 * timevar.c: Ditto.
12204 * fortran/gfortranspec.c: Ditto.
12205 * regmove.c: Ditto.
12206 * local-alloc.c: Ditto.
12207 * langhooks.c: Ditto.
12208 * function.c: Ditto.
12209 * tree-vectorizer.c: Ditto.
12211 * ipa-type-escape.c: Ditto.
12213 * tree-if-conv.c: Ditto.
12214 * profile.c: Ditto.
12216 * tree-data-ref.c: Ditto.
12217 * loop-unroll.c: Ditto.
12218 * treelang/treetree.c: Ditto.
12220 * bt-load.c: Ditto.
12221 * ggc-common.c: Ditto.
12223 * coverage.c: Ditto.
12225 * tree-cfgcleanup.c: Ditto.
12226 * tree-ssa-pre.c: Ditto.
12227 * cfgcleanup.c: Ditto.
12228 * loop-invariant.c: Ditto.
12229 * loop-iv.c: Ditto.
12230 * ipa-prop.c: Ditto.
12231 * print-tree.c: Ditto.
12232 * conflict.c: Ditto.
12233 * ggc-page.c: Ditto.
12234 * sched-deps.c: Ditto.
12235 * regclass.c: Ditto.
12236 * tree-object-size.c: Ditto.
12237 * combine.c: Ditto.
12238 * bb-reorder.c: Ditto.
12239 * resource.c: Ditto.
12240 * var-tracking.c: Ditto.
12241 * cfgloop.c: Ditto.
12242 * df-problems.c: Ditto.
12243 * reg-stack.c: Ditto.
12245 * gccspec.c: Ditto.
12246 * sched-rgn.c: Ditto.
12247 * tree-ssa-structalias.c: Ditto.
12248 * tree-ssa-reassoc.c: Ditto.
12249 * config/darwin-c.c: Ditto.
12250 * config/darwin.c: Ditto.
12251 * config/arm/arm.c: Ditto.
12253 * collect2.c: Ditto.
12254 * reload1.c: Ditto.
12256 2006-01-31 Nicolas Pitre <nico@cam.org>
12258 * arm.md (smaxsi3): Make aware of smax_m1.
12261 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12263 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12265 2006-01-31 Richard Guenther <rguenther@suse.de>
12267 * doc/invoke.texi (-msselibm): Document.
12268 * target.h (expand_library_builtin): New target hook.
12269 * builtins.c (expand_builtin): Use expand_library_builtin.
12270 (default_expand_library_builtin): New function.
12271 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12272 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12273 (link_gcc_math_spec): Declare.
12274 (static_specs): Add link_gcc_math_spec.
12275 * expr.h (default_expand_library_builtin): Declare.
12276 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12277 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12278 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12279 * config/i386/i386.opt (msselibm): New target option.
12280 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12281 (ix86_init_sse_abi_builtins): New function.
12282 (ix86_expand_library_builtin): Likewise.
12283 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12284 (override_options): Handle error conditions wrt -msselibm.
12285 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12286 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12287 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12290 2006-01-31 Richard Guenther <rguenther@suse.de>
12291 Paolo Bonzini <bonzini@gnu.org>
12293 * doc/install.texi (--disable-libgcc-math): Document.
12295 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12297 * expr.h (expand_normal): new inline function.
12298 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12299 * dojump.c: use it.
12300 * dwarf2out.c: use it.
12303 * expmed.c: use it.
12304 * except.c: use it.
12305 * config/sparc/sparc.c: use it.
12306 * config/i386/i386.c: use it.
12307 * config/rs6000/rs6000.c: use it.
12308 * config/arm/arm.c: use it.
12309 * config/mips/mips.c: use it.
12310 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12312 2006-01-30 Roger Sayle <roger@eyesopen.com>
12314 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12315 argv to the appropriate type.
12317 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12319 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12322 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12325 * config/s390/s390.c (struct machine_function): New flag
12326 decomposed_literal_pool_addresses_ok_p.
12327 (s390_reorg): Set it before final stage of literal pool transforms.
12328 (s390_decompose_address): Only accept displacements of the form
12329 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12331 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12333 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12334 the comparison routine return.
12336 2006-01-30 Michael Matz <matz@suse.de>
12338 * global.c (find_reg): Only evict for global regs.
12339 Take n_refs into account and dump more info.
12341 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12344 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12345 (pragma_trap, pragma_nosave_low_regs): Likewise.
12346 (current_function_anonymous_args): Likewise.
12347 (sh_deferred_function_attributes): New variable.
12348 (sh_deferred_function_attributes_tail): Likewise.
12349 (print_operand): For '@', look up trap_exit attribute.
12350 (calc_live_regs): Look up trapa_handler attribute. For trapa
12351 handlers, save/restore fpscr, but don't do any other
12352 interrupt-specific saves.
12353 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12354 Fix check for partially saved registers to check for SHmedia.
12355 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12356 (sh_output_function_epilogue): Don't clear any of the removed
12358 (sh_insert_attributes): Don't check pragma_interrupt.
12359 Insert deferred attributes. Check that interrupt attribute is
12360 present for other attributes that require its presence.
12361 (sh_attribute_table): Add new attributes trapa_handler and
12363 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12364 Don't check for pragma_interrupt. Don't store argument.
12365 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12366 (sh_deferred_function_attributes): Declare.
12367 (sh_deferred_function_attributes_tail): Likewise.
12368 * sh.md (sp_switch_1): Add operand. Change generator caller.
12369 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12370 (*return_i): Don't use when trap_exit attribute is in effect.
12371 (*return_trapa): New insn pattern.
12372 * sh-c.c: New file.
12373 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12374 setting c_target_objs and cxx_target_objs.
12375 * t-sh: Add rule for sh-c.o.
12377 2006-01-30 Richard Guenther <rguenther@suse.de>
12380 * gimplify.c (gimplify_target_expr): Handle easy cases
12381 without creating a temporary.
12383 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12385 * vec.h (safe_grow): Remove duplicated line.
12387 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12390 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12391 (expand_omp): ... here.
12392 (expand_omp_parallel): Only remove barriers for combined
12393 parallel+workshare constructs.
12395 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12399 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12400 * tree.c (build_qualified_type): Chain the new type to the original
12401 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12402 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12403 (build_pointer_type_for_mode): Only return unqualified types.
12404 (build_reference_type_for_mode): Likewise.
12406 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12408 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12409 * Makefile.in (CXX_COMPAT_WARN): Define.
12410 * configure: Regenerate.
12412 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12415 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12418 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12420 * toplev.c: Fix thinko.
12422 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12423 Marcin Dalecki <martin@dalecki.de>
12425 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12426 (push_srcloc): Use XNEW.
12427 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12429 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12431 * df-core.c (df_set_blocks): Deleted all variable.
12433 2006-01-28 Ian Lance Taylor <ian@airs.com>
12435 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12436 cgraph_output_pending_asms.
12438 2006-01-28 Zack Weinberg <zackw@panix.com>
12440 * c.opt: Add -W(no-)overlength-strings.
12441 * doc/invoke.texi: Document it.
12442 * c-opts.c (c_common_handle_option): -pedantic implies
12443 -Woverlength-strings, if not explicitly disabled already.
12444 (c_common_post_options): -Woverlength-strings defaults to off, and
12445 is always off for C++.
12446 * c-common.c (fix_string_type): Issue warning about strings longer
12447 than is portable only if warn_overlength_strings. Rearrange code
12448 a little for clarity.
12449 * configure.in: Check for -Wno-overlength-strings as well before
12450 enabling -pedantic in stage 1.
12451 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12452 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12454 * genconditions.c (write_header, write_one_condition)
12455 (write_conditions, write_writer): Consolidate very long strings
12456 that were broken up to fit in C89 portable limit. Don't use
12457 printf when fputs will do.
12459 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12461 * combine.c (simplify_comparison <AND>): Check
12462 TRULY_NOOP_TRUNCATION before start using a subreg.
12464 * config/mips/mips.md (*branch_zero<mode>,
12465 *branch_zero<mode>_inverted, *branch_equality<mode>,
12466 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12467 Remove mode check from comparisons.
12469 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12471 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12473 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12475 * expmed.c (const_mult_add_overflow_p): Remove.
12476 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12478 * recog.c (validate_replace_rtx_subexp): Remove.
12479 * recog.h: Remove the prototype for
12480 validate_replace_rtx_subexp.
12482 * integrate.h: Remove the prototype for
12483 copy_decl_for_inlining.
12484 * rtl.h: Remove the prototype for mark_constant_function.
12485 * tree-vectorizer.h: Remove the prototype for
12486 vect_strip_conversion.
12488 * modulo-sched.c (create_partial_schedule,
12489 free_partial_schedule, reset_partial_schedule): Make them
12492 * hooks.c (hook_bool_rtx_int_false): Remove.
12493 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12495 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12497 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12498 and -mlong-double-128 are incompatible.
12499 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12500 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12501 (TARGET_LIBGCC2_CFLAGS): Define.
12502 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12503 (TARGET_LIBGCC2_CFLAGS): Same.
12504 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12506 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12509 * c-typeck.c (build_binary_op): Perform implicit casts of
12510 operands before shortening them.
12512 * cfgloopmanip.c (split_loop_bb): Remove.
12513 * cfgloop.h: Remove the prototype for split_loop_bb.
12515 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12516 * cfgloop.h: Remove the prototype for
12517 flow_loop_outside_edge_p.
12519 * emit-rtl.c (init_virtual_regs): Make it static.
12520 * function.h: Remove the prototype for init_virtual_regs.
12522 * recog.c (peephole2_optimize): Make it static.
12523 * recog.h: Remove the prototype for peephole2_optimize.
12525 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12527 * df-scan.c (df_record_entry_block_defs): Check if
12528 INCOMING_RETURN_ADDR_RTX is defined.
12530 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12531 Kenneth Zadeck <zadeck@naturalbridge.com>
12533 PR rtl-optimization/24762
12534 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12535 * targhooks.c (hook_void_bitmap): New hook prototype.
12536 * targhoohs.h (hook_void_bitmap): Ditto.
12537 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12538 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12539 * target.h (live_on_entry): New function pointer.
12540 * df-scan.c (df_all_hard_regs): Removed.
12541 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12542 (df_scan_free_internal): Added df->entry_block_defs.
12543 (df_scan_alloc): Ditto.
12544 (df_scan_dump): Ditto.
12545 (df_uses_record): Plumbed flag field properly thru calls.
12546 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12547 This part fixes PR24762.
12548 (df_bb_refs_record): Added code to make the frame and arg
12549 pointers live in EH blocks.
12550 (df_refs_record): Added call to df_record_entry_block_defs.
12551 (df_record_entry_block_defs): New function.
12552 * df-core.c: Added comments to describe new artifical defs.
12553 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12554 (entry_block_defs): New field in struct df.
12555 (df_all_hard_regs): Deleted.
12556 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12557 * df-problems.c (df_ru_bb_local_compute_process_def):
12558 Added code to handle artifical defs in the entry to a function.
12559 (df_ru_bb_local_compute): Ditto.
12560 (df_rd_bb_local_compute_process_def): Ditto.
12561 (df_rd_bb_local_compute): Ditto.
12562 (df_lr_bb_local_compute): Ditto.
12563 (df_ur_bb_local_compute): Ditto.
12564 (df_urec_bb_local_compute): Ditto.
12565 (df_chain_create_bb): Ditto.
12566 (df_ur_local_finalize): Removed entry.
12567 (df_urec_init): Ditto.
12568 (df_urec_local_finalize): Ditto.
12569 (df_ri_bb_compute): Added detection of last use of pseudos.
12570 * Makefile.in (df-scan.o): Updated dependencies.
12571 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12572 * config/mips/mips.c (mips_set_live_on_entry): Added.
12573 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12575 * dce.c (marked_insn_p): Added code to handle artifical defs.
12577 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12579 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12581 (_mm_cvtsi128_si64): Likewise.
12582 (_mm_cvtsd_si64): Likewise.
12583 (_mm_cvttsd_si64): Likewise.
12584 (_mm_cvtsi64_sd): Likewise.
12585 (_mm_cvtsi64_si128): Likewise.
12586 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12587 (_mm_cvtsi64_m64): Likewise.
12588 (_m_to_int64): Likewise.
12589 (_mm_cvtm64_si64): Likewise.
12590 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12591 (_mm_cvttss_si64): Likewise.
12592 (_mm_cvtsi64_ss): Likewise.
12593 (_mm_cvtss_f32): Likewise.
12595 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12597 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12598 for pragma redefine_extname.
12600 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12603 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12604 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12605 -mno-minimal-toc to previous content.
12606 (bispecs): Remove goal.
12607 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12608 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12609 compatibility aliases on powerpc-*-*gnu*.
12610 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12611 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12612 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12613 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12614 (ldblspecs): New goal.
12615 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12616 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12618 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12619 L_sf_to_tf or L_df_to_tf is defined.
12621 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12622 Alan Modra <amodra@bigpond.net.au>
12625 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12626 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12627 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12628 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12629 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12630 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12631 (rs6000_override_options): Initialize rs6000_ieeequad.
12632 Initialize TFmode format to ibm_extended_format if not
12634 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12636 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12637 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12638 (function_arg_advance): IBM long double passed in two FPRs, not
12640 (function_arg): IBM long double passed in FPRs.
12641 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12642 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12643 Only multireg GPR aligned.
12644 (rs6000_init_libfuncs): Enable IBM long double functions if not
12646 (rs6000_generate_compare): Use IBM long double compare if not
12648 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12649 (TARGET_IEEEQUAD): Define.
12650 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12651 not TARGET_IEEEQUAD.
12652 * config/rs6000/rs6000.md: Enable TFmode patterns if
12654 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12655 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12656 and -mlong-double-128 are incompatible.
12657 * doc/invoke.texi (-mabi): Collect options together. Add
12658 ibmlongdouble and ieeelongdouble.
12660 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12662 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12664 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12665 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12666 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12667 * rtl.h (rtunion_def): Remove rt_ptr.
12669 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12670 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12671 * config/i386/winnt.c (i386_pe_mark_dllexport)
12672 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12674 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12676 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12678 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12682 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12683 pthread_key_delete. From John David Anglin. gthrw-ify
12684 pthread_getunique_np only if it it's not a macro. Delete
12686 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12687 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12688 __gthread_objc_condition_signal, __gthread_key_delete): Add
12689 "__attribute__ ((__unused__))" to unused arguments.
12690 (__gthread_recursive_mutex_init_function): Add missing return.
12691 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12692 gthr-posix95.h: Use macro-based approach for name redirection
12693 on targets missing weakref.
12695 2006-01-26 Zack Weinberg <zackw@panix.com>
12697 * genconditions.c (write_header): In generated code, #ifdef out
12698 all includes and fake declarations, except includes of bconfig.h
12699 and system.h, unless GCC_VERSION >= 3001. Do not include
12700 gensupport.h in any case.
12701 (write_conditions): Generate a definition of struct c_test. Add
12702 a comment to the generated #endif.
12703 (write_one_condition): Escape backslashes in string too.
12704 (write_writer): Generated code must escape backslashes and quote
12705 marks (but not newlines) in the strings it writes.
12706 * Makefile.in (build/gencondmd.o): Update dependencies.
12708 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12711 * Makefile.in (insn-automata.o): Add header file dependencies.
12712 * genautomata.c: Add includes.
12714 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12717 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12719 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12721 * configure.ac: Expect target tools paths to be passed from the toplevel
12722 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12724 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12726 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12729 * c.opt (Wpointer-sign): Init to -1.
12730 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12731 OPT_pedantic, to 0 otherwise.
12732 * doc/invoke.texi: Update.
12734 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12736 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12737 constants provided by 80387 instructions in the destination mode.
12739 2006-01-26 Richard Guenther <rguenther@suse.de>
12740 Andrew Pinski <pinskia@physics.uc.edu>
12743 partial PR tree-opt/17064
12744 * tree-ssa-structalias.c (intra_create_variable_infos):
12745 Create heap variables for incoming parameters if
12746 flag_argument_noalias > 1.
12747 (find_what_p_points_to): Look through default defs of
12750 2006-01-26 Jeff Law <law@redhat.com>
12753 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12754 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12755 within the VR_RANGE, use the VR_RANGE as the result, not the
12757 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12758 bounds for the type.
12760 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12762 * tree-ssa-alias.c (maybe_create_global_var): Change
12763 subvar walking to an assertion that we don't have subvar'd variables.
12765 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12768 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12769 Use a new variable, inner. PARM_DECLs are always non-weak.
12771 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12773 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12774 --disable-checking.
12776 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12778 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12780 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12782 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12783 (smax_insn, smin_insn, smax_0, smin_0): New.
12785 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12788 * config/cris/cris.c (cris_order_for_addsi3): New function.
12789 * config/cris/cris-protos.h: Prototype it.
12790 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12791 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12792 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12793 (split for "op.S1 [rx=rx+i],ry (swapped)")
12794 (split for "op(s|u).S1 [rx=rx+i],ry")
12795 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12796 Apply cris_order_for_addsi3 when generating addsi3 insns.
12798 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12800 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12801 (TREE_BLOCK): Add call to EXPR_CHECK.
12803 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12806 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12807 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12808 (dump_omp_clauses): ... here.
12809 (dump_generic_node): Handle OMP_CLAUSE.
12810 * tree.c (omp_clause_num_ops): New.
12811 (omp_clause_code_name): New.
12812 (tree_code_size): Handle OMP_CLAUSE.
12813 (tree_size): Likewise.
12814 (make_node): Document handling of OMP_CLAUSE.
12815 (tree_node_structure): Handle OMP_CLAUSE.
12816 (omp_clause_check_failed): New.
12817 (omp_clause_range_check_failed): New.
12818 (omp_clause_operand_check_failed): New.
12819 (build_omp_clause): New.
12820 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12821 * tree.h (enum omp_clause_code): Declare.
12822 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12823 (OMP_CLAUSE_RANGE_CHECK): Define.
12824 (OMP_CLAUSE_ELT_CHECK): Define.
12825 (omp_clause_check_failed): Declare.
12826 (omp_clause_operand_check_failed): Declare.
12827 (omp_clause_range_check_failed): Declare.
12828 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12829 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12830 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12831 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12832 (OMP_CLAUSE_IF_EXPR): Likewise.
12833 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12834 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12835 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12836 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12837 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12838 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12839 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12840 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12841 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12842 (OMP_CLAUSE_CODE): Define.
12843 (OMP_CLAUSE_SET_CODE): Define.
12844 (OMP_CLAUSE_CODE): Define.
12845 (OMP_CLAUSE_OPERAND): Define.
12846 (struct tree_omp_clause): Declare.
12847 (union tree_node): Add field 'omp_clause'.
12848 * treestruct.def (TS_OMP_CLAUSE): Define.
12849 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12850 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12851 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12852 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12853 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12854 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12855 (OMP_CLAUSE): Define.
12856 * print-tree.c (print_node): Handle OMP_CLAUSE.
12857 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12858 * c-typeck.c: Likewise.
12859 * gimplify.c: Likewise.
12860 * c-omp.c: Likewise.
12861 * tree-nested.c: Likewise.
12862 * tree-inline.c: Likewise.
12863 * c-parser.c: Likewise.
12864 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12867 2006-01-25 Roger Sayle <roger@eyesopen.com>
12869 PR rtl-optimization/25703
12870 * combine.c (try_combine): Handle zero_extract and strict_low_part
12871 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12873 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12875 * global.c: Fix comment typos.
12877 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12880 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12881 Use output_addr_const instead of assemble_name.
12883 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12885 * Makefile.in (sched-vis.o): Update dependencies.
12886 * haifa-sched.c (sched_finish): Clear current_sched_info.
12887 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12888 (dump_flow_info): Call it.
12889 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12891 * basic-block.h (dump_bb_info): Declare.
12892 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12893 option, and apply options only for dump files whose TDF_RTL,
12894 TDF_TREE, or TDF_IPA bits match.
12895 * rtl.h: Declare new functions exported from sched-vis.c.
12896 * sched-vis.c: Enable also if scheduling is not used.
12897 (print_value): Print the mode of registers if not inside scheduling.
12898 (print_insn): Make it work outside the scheduler. Beautify the output
12900 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12902 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12904 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12905 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12906 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12907 depending on the value of CONSTANT_POOL_ADDRESS_P.
12908 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12910 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12911 rather than SYMBOL_REF_DECL.
12912 (rtx_constant_pool): Remove const_rtx_sym_htab.
12913 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12914 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12915 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12916 Remove handling of const_rtx_sym_htab.
12917 (find_pool_constant): Delete.
12918 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12919 rather than find_pool_constant.
12920 (get_pool_constant_for_function): Delete.
12921 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12922 find_pool_constant.
12923 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12924 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12925 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12926 (SYMBOL_REF_CONSTANT): New macro.
12927 (get_pool_constant_for_function): Delete.
12928 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12929 rather than SYMBOL_REF_DECL.
12930 (i386_pe_mark_dllimport): Likewise.
12931 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12932 rather than SYMBOL_REF_DECL.
12933 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12934 (machopic_indirect_call_target): Likewise.
12936 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12938 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12940 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12942 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12944 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12946 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12948 2006-01-24 David Daney <ddaney@avtrex.com>
12951 * configure.ac (enable_tls): New enable option.
12952 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12953 * configure: Regenerate.
12954 * doc/install.texi (--enable-tls): Document new option.
12955 (--disable-tls): Ditto.
12957 2006-01-24 Richard Henderson <rth@redehat.com>
12959 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12960 * alias.c (true_dependence): Respect it.
12961 (canon_true_dependence, write_dependence_p): Likewise.
12962 * builtins.c (get_builtin_sync_mem): Set it.
12964 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12966 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12969 2006-01-24 DJ Delorie <dj@redhat.com>
12971 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12972 for storing constants in single-bit bitfields.
12974 2006-01-25 Ben Elliston <bje@au.ibm.com>
12976 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12978 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12981 * tree-ssa-pre.c (phi_translate): Return NULL
12982 for AGGREGATE_TYPE's.
12984 2006-01-24 Zack Weinberg <zackw@panix.com>
12986 * genautomata.c (process_state_for_insn_equiv_partition):
12987 Use xcalloc for insn_arcs_array.
12988 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12989 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12991 2006-01-24 Richard Henderson <rth@redhat.com>
12993 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12994 update all callers.
12996 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12998 PR rtl-optimization/25890
12999 PR rtl-optimization/25905
13000 * combine.c (expand_compound_operation, expand_field_assignment):
13001 Fail if the bitfield's final position is out of bounds.
13003 2006-01-24 Ian Lance Taylor <ian@airs.com>
13005 PR middle-end/25930
13006 * cgraphunit.c (cgraph_output_in_order): Don't clear
13007 cgraph_asm_nodes until after asm strings have been output.
13009 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13011 * fix-header.c (read_scan_file): Add new parameter imultilib when
13012 calling register_include_chains.
13014 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13016 * omp-low.c: Update documentation.
13018 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13019 Daniel Berlin <dberlin@dberlin.org>
13023 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13024 return from the function.
13026 2006-01-22 Zack Weinberg <zackw@panix.com>
13028 * rtl.def (match_code): Add second argument.
13029 * genpreds.c (write_extract_subexp): New function.
13030 (write_match_code): Add path argument. Use write_extract_subexp.
13031 (write_predicate_expr): Pass path to write_match_code.
13032 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13033 not perform a mode test.
13034 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13035 a subexpression does not constrain the top-level code set.
13036 * read-rtl.c (read_rtx_variadic): New function.
13037 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13038 * doc/md.texi: Document new notation.
13039 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13040 (cmpsi_operand): ... here, using new notation.
13042 2006-01-22 Zack Weinberg <zackw@panix.com>
13044 * varray.c: Remove GENERATOR_FILE #ifdefs.
13046 2006-01-22 Zack Weinberg <zackw@panix.com>
13048 * genautomata.c (output_reserved_units_table): Emit nothing if
13049 description->query_units_num is zero. Remove extra blank line.
13050 (output_cpu_unit_reservation_p): Short circuit
13051 if description->query_units_num is zero.
13053 2006-01-22 Zack Weinberg <zackw@panix.com>
13055 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13056 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13057 nor any of the random handful of variables that used to be necessary
13058 when this program was linked with rtlanal.o. Prune set of forward
13059 function declarations.
13060 (struct attr_desc): Remove static_p field.
13061 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13062 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13063 (attr_string): Do not read the character one past the length of
13065 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13066 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13067 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13068 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13069 (make_automaton_attrs): New.
13070 (main): Do not call into genautomata. Call local gen_bypass
13071 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13072 Remove special case for insn_alts.
13073 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13074 varray.h (leftover from previous change). Prune set of forward
13075 function declarations. Remove state_alts fields from all
13076 structures. Remove state_alts_table from struct automaton.
13077 Make everything except main static. Do not maintain num_dfa_decls.
13078 Do not maintain state_alts fields of various structures.
13079 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13080 (add_arc): Remove state_alts argument. All callers updated.
13081 (output_reserved_units_table): Emit #ifdef here...
13082 (output_tables): ...not here. Don't generate state_alts tables.
13083 (expand_automata): Don't generate attributes.
13084 (write_automata): Don't generate state_alts functions.
13085 (main): New function.
13086 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13087 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13088 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13089 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13090 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13091 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13092 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13093 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13095 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13096 * genattrtab.h: Delete file.
13097 * Makefile.in (OBJS-common): Add insn-automata.o.
13098 (insn-automata.o): New rule.
13099 (simple_generated_c): Add insn-automata.c.
13100 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13101 (genprogmd): Add automata.
13102 (build/genattrtab): Needs no extra objects nor libraries.
13103 (build/genautomata): Needs build/vec.o and -lm.
13105 2006-01-22 Zack Weinberg <zackw@panix.com>
13107 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13108 (output_dfa_max_issue_rate, locked_states_num): Delete.
13109 (struct automaton): Add locked_states field.
13110 (output_dead_lock_vect): Save number of locked states in
13111 automaton->locked_states. If it is zero, don't print anything.
13112 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13113 (output_internal_dead_lock_func): Only test the dead_lock_vect
13114 for automata that have locked states.
13115 (output_statistics): Always print the number of locked states for
13116 each automaton. Calculate total number of locked states here.
13117 (write_automata): Don't call output_dfa_max_issue_rate.
13118 * genattrtab.c: Define length_unit_log as a const variable.
13119 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13120 max_insn_queue_index const.
13121 * final.c (length_unit_log): Declare const.
13122 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13124 2006-01-22 Zack Weinberg <zackw@panix.com>
13126 * genautomata.c: Include vec.h, not varray.h.
13127 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13128 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13129 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13130 VEC_* macros operating on appropriately typed vectors, or to
13131 malloced arrays when the size is known in advance. Const-ify
13132 many char* variables and function arguments. No functional changes.
13133 * Makefile.in (build/varray.o): Delete rule.
13134 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13135 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13137 2006-01-22 Zack Weinberg <zackw@panix.com>
13139 * gensupport.c: Define get_insn_name and record_insn_name here.
13140 (read_md_rtx): Call record_insn_name as appropriate.
13141 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13142 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13143 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13145 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13146 (BUILD_VARRAY): Delete.
13147 (genprognormal): Rename genprogmd. Fold in all programs from
13148 genprognoprint; also attrtab.
13149 (build/genattrtab): Just mention genautomata.o and varray.o.
13150 Reorganize a bit, add comments to make the categories clearer.
13152 2006-01-22 Zack Weinberg <zackw@panix.com>
13154 * genconditions.c (condition_table, add_condition): Delete.
13155 (write_conditions): Don't emit n_insn_conditions nor
13156 insn_elision_unavailable. Issue the gcc version #ifdef here,
13157 inside the table, with no #else clause ...
13158 (write_header): ...not here.
13159 (write_writer): New function.
13160 (main): Don't initialize condition_table. Use add_c_test.
13162 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13163 files on the command line.
13164 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13165 Return -1 if there is no entry in the table, don't abort.
13166 (add_c_test, traverse_c_tests): New functions.
13167 * gensupport.h (insn_elision_unavailable, insn_conditions)
13168 (n_insn_conditions): Delete declarations.
13169 (add_c_test, traverse_c_tests): Declare.
13170 * read-rtl.c: Include gensupport.h.
13171 (read_conditions): New function.
13172 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13173 (read_rtx_1): If we get EOF when we were looking for an initial
13174 open paren, return 0. Call read_conditions when appropriate.
13175 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13176 dummy-conditions.o. Eliminate references to insn-conditions.o,
13177 or change them to build/gencondmd.o, as appropriate. Remove
13178 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13179 from $(simple_generated_c). For all files remaining in those
13180 two lists, add insn-conditions.md to the generator command line.
13181 Give insn-constants.h/s-constants their own rules. Add rules
13182 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13183 (build/read-rtl.o): Depend on gensupport.h.
13184 (genprognormal): Include preds.
13185 (genprogearly): Rename genprognoprint; only difference is now that
13186 they don't link with $(BUILD_PRINT).
13187 * dummy-conditions.c: Delete.
13189 2006-01-22 Zack Weinberg <zackw@panix.com>
13191 * genextract.c: Don't include insn-config.h. Do include vec.h.
13192 Declare vectors of int, char, and locstr.
13193 (locstr): New typedef.
13194 (struct extraction): Make all array fields into bare pointers.
13195 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13196 (insn_code_number): Delete.
13197 (accum_extract): New struct.
13198 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13199 (gen_insn): Take insn_code_number as an argument. Use an
13200 accum_extract structure instead of loading data directly into
13201 a struct extraction, and having to know how big it might get.
13202 (walk_rtx): Operate entirely on an accum_extract structure.
13203 (print_path): Avoid unnecessary use of printf.
13204 (print_header): New function, split out of main. Distinguish
13205 more carefully between an unrecognizable insn and an insn that
13206 has the code number of a define_expand.
13207 (main): Pass insn_code_number to gen_insn. Call print_header
13208 only after parsing. Avoid unnecessary use of printf.
13209 * Makefile.in (build/vec.o): New rule.
13210 (build/genextract): Depend on build/vec.o.
13211 (build/genextract.o): Don't depend on insn-config.h.
13213 2006-01-22 Zack Weinberg <zackw@panix.com>
13215 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13216 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13217 practical. Eliminate per-generator-program link rules.
13219 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13221 PR middle-end/24437
13222 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13223 with a call expr to ...
13224 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13226 2006-01-23 Richard Guenther <rguenther@suse.de>
13228 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13229 before make_edge with conditional EDGE_TRUE_VALUE.
13231 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13232 Jan Hubicka <jh@suse.cz>
13233 Richard Guenther <rguenther@suse.de>
13235 PR rtl-optimization/25654
13236 * cfgexpand.c (aggregate_contains_union_type): New function.
13237 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13238 for structure variables that contain a union type.
13240 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13242 * gengtype.c (new_structure): Return the structure.
13243 (create_option): Add an extra "next" argument.
13244 (create_field): New function.
13245 (adjust_field_rtx_def): Use create_option and create_field.
13246 Remove a now-unnecessary call to find_structure.
13247 (adjust_field_tree_def): Likewise.
13248 (note_yacc_type): Remove an unnecessary call to find_structure.
13249 * gengtype.h (new_structure): Return the structure.
13250 (create_option): Add an extra argument.
13251 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13252 (option): Adjust calls to create_option.
13254 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13256 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13258 2006-01-22 Paul Brook <paul@codesourcery.com>
13259 Peter Barada <peter@the-baradas.com>
13261 * config/m68k/m68k.md: Add Coldfire FPU support.
13262 Define FP mode macro and associated attributes.
13263 Use it for float mode patterns.
13264 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13265 (LIBCALL_VALUE): Use m68k_libcall_value.
13266 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13267 (m68k_function_value): Ditto.
13268 (emit_move_sequence): Ditto.
13269 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13270 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13271 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13272 (MULTILIB_EXCEPTIONS): Ditto.
13273 * config/m68k/m68k.opt: Add mcfv4e.
13274 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13275 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13276 (m68k_output_function_prologue): Save ColdFire FPU registers.
13277 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13278 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13279 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13280 ColdFire FPU registers.
13281 (m68k_libcall_value, m68k_function_value): New functions.
13282 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13283 (LIBCALL_VALUE): Use m68k_libcall_value.
13284 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13285 (MASK_COLDFIRE): Add MASK_CFV4E.
13286 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13287 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13288 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13289 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13290 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13291 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13292 * doc/invoke.tex: Document -mcfv4e on m68k.
13294 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13296 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13299 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13302 * c-opts.c (c_common_handle_option): Don't include
13303 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13304 * doc/invoke.texi (C++ Dialect Options): Document that
13305 -Wnon-virtual-dtor is no longer included in -Wall.
13307 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13309 * gcov.c (print_version), gcov-dump.c (print_version),
13310 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13313 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13315 * df-scan.c (problem_SCAN): Added NULL reset function.
13316 (df_scan_reset_blocks): Added code to call reset block function
13317 (df_bb_refs_delete) Fixed comment.
13318 (df_insn_refs_delete): Made tolerant of deleting non existent info
13319 for dataflow problems that need to be reset.
13320 * df-core.c (df_set_blocks): Ditto.
13321 * df.h (struct df_problem): Added reset_fun.
13322 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13323 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13324 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13325 functions to clear out all references to def-use or use-def chains.
13327 2006-01-21 Ben Elliston <bje@au.ibm.com>
13329 * varasm.c (assemble_real): Initialise data array.
13331 2006-01-20 Paul Brook <paul@codesourcery.com>
13333 Merge from csl-arm-branch.
13334 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13335 * config/arm/arm.md (movdi): Force operands[1] to a register
13336 if we have a non-register source.
13337 (*arm_movdi, *movdf_soft_insn): Require that one of the
13338 operands be a register.
13339 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13340 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13342 2006-01-20 DJ Delorie <dj@redhat.com>
13344 * varasm.c (initializer_constant_valid_p): Allow pointers
13345 initialized from integer constants of lesser precision.
13346 (output_constant): Allow non-int-sized pointer modes to be
13347 initialized from integer constants.
13349 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13352 * cppdefault.h (struct default_include): Add multilib flag.
13353 * cppdefault.c (cpp_include_defaults): Set it.
13354 * c.opt (-imultilib): New option.
13355 * c-opts.c (imultilib): New.
13356 (c_common_handle_option): Handle -imultilib.
13357 (c_common_post_options): Likewise.
13358 * c-incpath.c (add_standard_paths, register_include_chains):
13360 * c-incpath.h (register_include_chains): Add extra parameter.
13361 * gcc.c (do_spec_1): Generate -imultilib option.
13362 (The Specs Language): Update %I description.
13363 (process_command): Update copyright notice.
13364 * doc/cppopts.texi (-imultilib): Document.
13365 * doc/invoke.texi (-imultilib): Include in option summary.
13366 (%I): Update specs documentation.
13368 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13370 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13372 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13374 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13377 2006-01-20 Richard Guenther <rguenther@suse.de>
13378 Steven Bosscher <stevenb.gcc@gmail.com>
13380 PR rtl-optimization/24626
13381 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13382 EDGE_TRUE_VALUE if in RTL mode.
13385 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13386 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13388 2006-01-20 Dirk Mueller <dmueller@suse.com>
13391 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13392 instead of a special NOP marker.
13393 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13394 NOP marker handling.
13395 * c-common.h (empty_body_warning): Add forward declaration.
13396 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13397 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13399 2006-01-20 Paul Brook <paul@codesourcery.com>
13401 * Makefile.in (lang_checks): Keep going if mkdir fails.
13403 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13405 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13406 be able to clean out basic block when not necessary.
13407 (df_scan_free): Fixed to properly delete information if df is
13408 unused before calling df_finish.
13409 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13410 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13412 (df_bb_refs_delete): New function.
13413 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13414 * df-core.c (df_set_blocks): Added code to properly clean out
13415 unused blocks if they are not part of the blocks to consider.
13416 Added additional null check.
13417 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13418 be able to clean out basic block when not necessary
13419 * df.h (df_free_bb_function): Ditto.
13420 (df_bb_refs_delete): New function.
13421 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13422 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13423 basic block parameter to be able to clean out basic block when not
13425 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13426 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13427 Fixed to properly delete information if df is unused before
13430 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13432 PR rtl-optimization/25799
13433 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13434 Corrected confluence operator to remove bits from op2 before oring
13435 with op1 rather than removing bits from op1.
13436 (df_ru_transfer_function): Corrected test on wrong bitmap which
13437 caused infinite loop. Both of these problems were introduced in
13438 the dataflow rewrite.
13440 2006-01-19 DJ Delorie <dj@redhat.com>
13442 * reload1.c (find_reload_regs): Note the details of reload
13443 failures in the dump file.
13444 (spill_failure): Likewise.
13446 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13448 * loop-iv.c: Include df.h and hashtab.h.
13449 (enum iv_grd_result): New enum.
13450 (DF_REF_IV, DF_REF_IV_SET): New macros.
13451 (struct biv_entry): New.
13452 (df, bivs): New global variables.
13453 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13454 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13456 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13457 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13458 analyzed_for_bivness_p, record_biv): New functions.
13459 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13460 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13461 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13463 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13465 (iv_number_of_iterations): Use new interface to iv analysis.
13466 * loop-unroll.c: Do not include varray.h.
13467 (analyze_iv_to_split_insn): Use new interface to iv
13469 * loop-unswitch.c (may_unswitch_on): Ditto.
13470 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13472 (df_bb_modify): Realloc tables to the new index.
13473 (df_find_use): New function.
13474 * df.h (df_find_use): Declare.
13475 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13477 * cfgloop.h (struct rtx_iv): Remove analysed field.
13478 (iv_get_reaching_def): Removed.
13479 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13480 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13481 (loop-iv.o): Add df.h and hashtab.h dependency.
13482 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13484 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13487 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13489 (__floatundisf, __floatundidf): Likewise.
13490 * libgcc2.h (IS_IBM_EXTENDED): Define.
13492 2006-01-19 DJ Delorie <dj@redhat.com>
13494 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13496 2006-01-19 Paul Brook <paul@codesourcery.com>
13498 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13499 as nothrow when unwinding tables are disabled.
13501 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13504 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13505 of bit-field" when in system header.
13507 2006-01-19 DJ Delorie <dj@redhat.com>
13509 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13510 the 16 bit shift limit of the m16c.
13512 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13515 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13516 * config/i386/i386.c (output_set_got): Output the label if we have one
13517 for the TARGET_DEEP_BRANCH_PREDICTION case.
13519 2006-01-19 Jan Hubicka <jh@suse.cz>
13520 H.J. Lu <hongjiu.lu@intel.com>
13521 Evandro Menezes <evandro.menezes@amd.com>
13523 * invoke.texi (generic): Document
13525 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13526 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13527 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13528 (x86_use_incdec, x86_pad_returns): New variables
13529 (TARGET_CPU_DEFAULT_generic): New constant
13530 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13531 (enum processor_type): Add generic32 and generic64.
13532 * i386.md (cpu attribute): Add generic32/generic64
13533 (movhi splitter): Behave sanely when both partial_reg_dependency and
13534 partial_reg_stall are set.
13535 (K8 splitters): Enable for generic as well.
13536 * predicates.md (incdec_operand): Use TARGET_INCDEC
13537 (aligned_operand): Avoid memory mismatch stalls.
13538 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13539 * ppro.md: Enable for generic32
13540 * i386.c (generic64_cost, generic32_cost): New.
13541 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13542 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13543 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13544 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13545 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13546 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13547 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13548 x86_accumulate_outgoing_args, x86_prologue_using_move,
13549 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13550 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13551 Enable for generic.
13552 (x86_use_incdec, x86_pad_returns): New.
13553 (override_options): Add generic32 and generic64, translate "generic"
13554 to generic32/generic64 and "i686" to "generic32", refuse
13555 "generic32"/"generic64" as arch target.
13556 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13557 (ix86_reorg): Honor PAD_RETURNS.
13559 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13561 * tree-pretty-print.c (dump_generic_node): Handle
13562 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13563 * cgraph.c (cgraph_expand_queue): Rename from
13564 cgraph_analyze_queue. Update all users.
13565 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13566 cgraph_expand_queue.
13567 (cgraph_expand_all_functions): Likewise.
13568 (cgraph_finalize_pending_functions): Remove. Update callers.
13570 * tree.h (OMP_DIRECTIVE_P): Define.
13571 (OMP_PARALLEL_FN): Define.
13572 (OMP_PARALLEL_DATA_ARG): Define.
13573 (OMP_SECTIONS_SECTIONS): Define.
13574 * tree-pass.h (pass_expand_omp): Declare.
13575 * omp-low.c (struct omp_region): Declare.
13576 (struct omp_context): Remove fields 'parallel_type',
13577 'parallel_start_ix' and 'parallel_start_additional_args'.
13579 (struct omp_for_data): Rename from struct expand_omp_for_data.
13580 (omp_regions): New static variable.
13581 (root_omp_region): New static variable.
13582 (find_omp_clause): Make static.
13583 (is_in_combined_parallel_ctx): Remove.
13584 (is_combined_parallel): New.
13585 (extract_omp_for_data): Move earlier in the file.
13586 (workshare_safe_to_combine_p): New.
13587 (get_ws_args_for): New.
13588 (determine_parallel_type): Move earlier in the file.
13589 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13591 (omp_copy_decl): Likewise.
13592 (create_omp_child_function): Likewise.
13593 (lookup_omp_region): New.
13594 (dump_omp_region): New.
13595 (debug_omp_region): New.
13596 (debug_all_omp_regions): New.
13597 (new_omp_region): New.
13598 (scan_omp_parallel): If parallel_nesting_level > 1, the
13599 directive is nested within another parallel directive.
13600 Set OMP_PARALLEL_FN.
13601 (scan_omp_for): Do not try to handle combined parallel+for
13603 Remove FIXME comment.
13604 (scan_omp_nested): Remove.
13605 (scan_omp_1): Do not call scan_omp_nested when
13606 parallel_nesting_level is > 1.
13607 Do not change the DECL_CONTEXT of local variables found.
13608 (lookup_decl_in_outer_ctx): New.
13609 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13610 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13611 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13612 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13613 If CTX is nested, lookup VAR in the outer context when
13614 building copy assignment.
13615 (lower_send_clauses): Rename from expand_send_clauses.
13616 If CTX is nested, lookup VAR in the outer context when
13617 building copy assignments.
13618 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13619 If CTX is nested, lookup VAR in the outer context when
13620 building copy assignments.
13621 (expand_parallel_call): Rename from build_parallel_call.
13622 Handle combined parallel+workshare cases.
13623 Re-implement to emit code into the CFG.
13625 (expand_omp_parallel): Re-implement to emit code into the CFG.
13626 Call move_sese_region_to_fn to outline the sub-graph
13627 containing the parallel region.
13628 (expand_omp_for_1): Remove.
13629 (expand_omp_for_generic): Re-implement to emit code into the
13631 (expand_omp_for_static_nochunk): Likewise.
13632 (expand_omp_for_static_chunk): Likewise.
13633 (expand_omp_for): Likewise.
13634 (expand_omp_sections): Likewise.
13635 (remove_exit_barriers): New.
13636 (expand_omp_synch): New.
13638 (build_omp_regions_1): New.
13639 (build_omp_regions): New.
13640 (execute_expand_omp): New.
13641 (gate_expand_omp): New.
13642 (pass_expand_omp): Define.
13643 (lower_omp_sections): Rename from expand_omp_sections.
13644 Set OMP_SECTIONS_SECTIONS.
13645 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13646 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13647 (lower_omp_single): Rename from expand_omp_simple.
13648 (lower_omp_master): Rename from expand_omp_master.
13649 (lower_omp_ordered): Rename from expand_omp_ordered.
13650 (lower_omp_critical): Rename from expand_omp_critical.
13651 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13652 (lower_omp_for): Re-implement.
13653 (lower_omp_parallel): Re-implement.
13654 (lower_regimplify): Rename from expand_regimplify.
13655 (lower_omp_1): Rename from expand_omp_1.
13656 If there are syntax errors in the program, replace every
13657 OpenMP directive with NOP.
13658 Call lower_omp_* instead of expand_omp_*.
13659 (lower_omp): Rename from expand_omp.
13661 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13662 * tree-gimple.h (enum omp_parallel_type): Remove.
13663 (gimple_boolify): Declare extern.
13664 (find_omp_clause, determine_parallel_type): Remove.
13666 * gimple-low.c (lower_omp_directive): New.
13667 (lower_stmt): Call it.
13668 (record_vars_into): Move from ...
13669 (record_vars): ... here.
13670 Call record_vars_into with current_function_decl.
13672 * gimplify.c (struct gimplify_ctx): Remove fields
13673 combined_pre_p and combined_ctxp. Update users.
13674 (get_formal_tmp_var): Add documentation.
13675 (gimple_boolify): Make extern.
13676 (gimplify_expr_in_ctx): Remove. Update callers.
13677 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13678 will always be a BIND_EXPR.
13679 (gimplify_expr): Handle OMP_RETURN_EXPR.
13680 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13681 (OMP_PARALLEL): Add 3 operands.
13682 (OMP_SECTIONS): Add 1 operand.
13683 (OMP_RETURN_EXPR): Define.
13685 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13686 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13687 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13688 creating a circular free list.
13689 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13691 * tree-flow.h (move_sese_region_to_fn): Declare.
13692 (record_vars_into): Declare.
13693 * tree-cfg.c (make_omp_sections_edges): New.
13694 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13695 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13696 OMP_SECTIONS and OMP_SECTION.
13697 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13698 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13699 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13700 (gather_blocks_in_sese_region): New.
13701 (struct move_stmt_d): Declare.
13702 (move_stmt_r): New.
13703 (move_block_to_fn): New.
13704 (move_sese_region_to_fn): New.
13706 * passes.c (init_optimization_passes): Schedule
13707 pass_expand_omp after pass_init_datastructures.
13709 * tree-ssa-operands.c (get_expr_operands): Handle
13710 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13711 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13713 2006-01-19 Jeff Law <law@redhat.com>
13715 * tree-vrp.c (extract_range_from_assert): Refine the result range
13716 if the variable referenced by the ASSERT_EXPR has a range and
13717 either the tentative result range or the previous range is a
13720 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13722 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13724 2006-01-19 Jan Hubicka <jh@suse.cz>
13726 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13728 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13730 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13731 (expand_compound_operation, expand_field_assignment): Fail if the
13732 bit lengths of an extract operation are out of range.
13733 (make_extraction): Compute wanted_inner_mode based on the position
13734 and length of the extraction. Make it extraction_mode for non-constant
13735 positions, and do not modify offset in that case. When generating a
13736 new MEM, use a mode that can hold the extraction while keeping correct
13737 alignment. Remove code that supported MEMs wrapped by USEs.
13738 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13740 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13742 * config/s390/s390.md ("Y", "y"): New mode attribute.
13743 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13744 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13745 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13746 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13747 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13748 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13749 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13750 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13751 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13752 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13753 "addsi3", "subsi3"): Insn patterns removed.
13754 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13755 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13756 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13757 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13758 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13759 "*sub<mode>3_cconly2"): New insn patterns.
13760 ("addsi3", "subsi3"): New expanders.
13762 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13764 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13765 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13766 existing STMT_VINFO_VECTYPE if available.
13767 (vect_mark_relevant): Add special handling for stmts that are
13768 marked as STMT_VINFO_IN_PATTERN_P.
13769 (vect_analyze_loop): Call vect_pattern_recog.
13770 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13771 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13773 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13774 (vect_recog_func_ptr): New function-pointer type.
13775 * tree-vect-patterns.c: New file.
13776 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13777 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13778 (vect_pattern_recog_1): New functions.
13779 (vect_pattern_recog_funcs): New array of function pointers.
13781 * tree-vectorizer.h (ternary_op): New enum value.
13782 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13783 declaration. Revised documentation. Removed redundant dump prints.
13784 Removed redundant argument. Added support for reduction patterns.
13785 (vectorizable_reduction): Added support for reduction patterns.
13786 (vect_transform_stmt): Added support for patterns.
13788 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13789 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13790 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13791 (expand_widen_pattern_expr): New function.
13792 (init_optabs): Initialize new optabs udot_prod_optab,
13794 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13795 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13796 (expand_widen_pattern_expr): New function declaration.
13797 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13799 * tree-inline.c (estimate_num_insns_1): Added cases for new
13800 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13801 * tree-pretty-print.c (dump_generic_node): Likewise.
13802 (op_prio): Likewise.
13803 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13804 * tree-ssa-operands.c (get_expr_operands): Added case for
13806 * tree-vect-patterns.c (widened_name_p): New function.
13807 (vect_recog_dot_prod_pattern): Added function implementation.
13808 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13809 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13810 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13811 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13813 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13814 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13815 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13816 (init_optabs): Initialize new optabs widen_ssum_optab,
13818 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13819 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13820 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13821 use instead of type of def.
13822 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13823 function implementation.
13824 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13825 widen_ssumv8hi): New.
13827 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13830 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13833 * c-decl.c (add_flexible_array_elts_to_size): New function.
13834 (finish_decl): Use it.
13836 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13838 * diagnostic.h: Include options.h.
13839 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13840 dependancies for diagnostic.h.
13841 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13843 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13845 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13846 (ssa_ro_call_cache_valid): Ditto.
13847 * tree-ssa-alias.c (sort_tags_by_id): New function.
13848 (init_transitive_clobber_worklist): Ditto.
13849 (add_to_worklist): Ditto.
13850 (mark_aliases_call_clobbered): Ditto.
13851 (compute_tag_properties): Ditto.
13852 (set_initial_properties): Ditto.
13853 (compute_call_clobbered): Ditto.
13854 (compute_may_aliases): Call compute_call_clobbered and grouping.
13855 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13856 (compute_flow_insensitive_aliasing): Grouping now happens in our
13858 (setup_pointers_and_addressables): Remove clobbering related code.
13859 (add_may_alias): Ditto.
13860 (replace_may_alias): Ditto.
13861 (get_nmt_for): Ditto.
13862 (create_global_var):
13863 (is_escape_site): Return an escape_type enumeration.
13864 * tree-flow-inline.h (is_call_clobbered): Global var does not
13865 imply call clobbered.
13866 (mark_call_clobbered): Take a reason for marking this. Remove
13867 marking of globalness, and cache invalidation.
13868 (clear_call_clobbered): Remove cache invalidation code.
13869 * tree-dfa.c (dump_variable): If details is on, dump the reason
13871 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13873 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13874 (struct var_ann_d): Ditto.
13875 (enum escape_type): New.
13876 (mark_call_clobbered): Adjust prototype.
13877 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13878 are never call clobbered.
13879 Record reasons for escaping.
13880 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13881 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13882 (ssa_ro_call_cache_valid): Ditto.
13883 (clobbered_v_may_defs): Ditto.
13884 (clobbered_vuses): Ditto.
13885 (ro_call_vuses): Ditto.
13886 (clobber_stats): New.
13887 (init_ssa_operands): Zero out clobber stats.
13888 (fini_ssa_operands): Print out clobber stats.
13889 (get_call_expr_operands): Pass callee fndecl to
13890 add_call_read_ops).
13891 (add_call_clobber_ops): Remove use of cache.
13892 Add use of PURE_CONST information.
13893 (add_call_read_ops): Remove use of cache.
13894 Add use of static not_read information.
13896 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13898 Introduce TLS descriptors for i386 and x86_64.
13899 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13900 (TARGET_ANY_GNU_TLS): New macro.
13901 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13902 (struct machine_function): Add tls_descriptor_call_expanded_p.
13903 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13904 (ix86_current_function_calls_tls_descriptor): Likewise.
13905 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13906 (override_options): Introduce gnu2 tls dialect.
13907 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13909 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13911 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13912 (ix86_init_machine_status): Initialize new field.
13913 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13914 (ix86_tls_module_base): New.
13915 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13916 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13917 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13918 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13919 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13920 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13921 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13922 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13923 * config/i386/predicates.md (tls_modbase_operand): New.
13924 (tp_or_register_operand): New.
13926 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13928 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13929 (look_for_address_of): Ditto.
13930 (ipa_init): Walk the function decls.
13931 (static_execute): Don't set readonly on FUNCTION_DECL's.
13933 2006-01-18 Roger Sayle <roger@eyesopen.com>
13935 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13936 for shifts where the source and destination registers are different.
13938 2006-01-18 Paul Brook <paul@codesourcery.com>
13940 Merge from csl-arm-branch.
13941 2005-03-14 Julian Brown <julian@codesourcery.com>
13942 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13943 (aeabi_llsl): Likewise.
13944 (ashrdi3): Likewise.
13945 (aeabi_lasr): Likewise.
13946 (lshrdi3): Likewise.
13947 (aeabi_llsr): Likewise.
13948 2005-03-10 Julian Brown <julian@codesourcery.com>
13949 * config.gcc: Disable shared libgcc for SymbianOS.
13950 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13952 2006-01-18 DJ Delorie <dj@redhat.com>
13954 * c-pragma.c (handle_pragma_diagnostic): New.
13955 (init_pragma): Register it.
13956 * doc/extend.texi: Document it.
13958 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13959 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13960 (diagnostic_context): Add classify_diagnostic[].
13961 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13962 as errors if they're overridden to DK_WARNING.
13963 (diagnostic_initialize): Initialize classify_diagnostic[].
13964 (diagnostic_set_kind_override): New.
13965 (diagnostic_report_diagnostic): Check for kind changes.
13966 * opts.c (common_handle_option): Take lang_mask. Update callers.
13967 Handle OPT_Werror_.
13968 * common.opt (Werror=): New.
13969 * doc/invoke.texi: Document -Werror=*
13971 2006-01-18 Jeff Law <law@redhat.com>
13973 * tree-vrp.c (test_for_singularity): Correct test for new
13974 min limit. Use operand_equal_p rather than pointer equality
13975 for testing if new min/max values are equal.
13977 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13978 using range information until after propagation and folding.
13980 2006-01-18 Richard Henderson <rth@redhat.com>
13981 Aldy Hernandez <aldyh@redhat.com>
13982 Jakub Jelinek <jakub@redhat.com>
13983 Diego Novillo <dnovillo@redhat.com>
13985 * omp-low.c: New file.
13986 * c-omp.c: New file.
13988 2006-01-18 Richard Henderson <rth@redhat.com>
13989 Jakub Jelinek <jakub@redhat.com>
13990 Diego Novillo <dnovillo@redhat.com>
13992 * doc/invoke.texi: Document -fopenmp.
13993 * tree-dump.h (debug_function): Declare.
13994 * hooks.c (hook_bool_tree_bool_false): New function.
13995 (hook_tree_tree_null): Remove.
13996 (hook_tree_tree_tree_null): New.
13997 * hooks.h: Update to match.
13998 * tree-pretty-print.c (debug_tree_chain): New.
13999 (print_generic_expr): Handle TDF_CHAIN.
14000 (dump_generic_node): Handle BLOCK.
14001 Do not abort with incomplete SWITCH_EXPRs.
14002 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14003 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14004 print space after directive name.
14005 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14006 Handle OMP_MASTER and OMP_ORDERED.
14007 Handle printing of OMP_BODY just in one place, goto
14008 dump_omp_body in the rest of OMP_* nodes that have
14010 Don't handle clause nodes here. Update omp statements to
14011 use dump_omp_clauses.
14012 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14013 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14014 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14015 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14016 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14017 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14018 Adjust output for GOMP_PARALLEL.
14019 (dump_omp_clauses): New.
14020 (print_declaration): Dump DECL_VALUE_EXPR.
14021 (op_symbol_1): Split out of op_symbol.
14022 (dumping_stmts): Remove. Update all users.
14023 * cgraph.c (cgraph_analyze_queue): New.
14024 (cgraph_add_new_function): New.
14025 * cgraph.h (cgraph_analyze_queue): Declare.
14026 (cgraph_add_new_function): Declare.
14027 (cgraph_lower_function): Remove.
14028 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14029 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14030 and TYPE_P nodes in its default clause.
14031 (empty_body_p): New.
14032 (tree_range_check_failed): New.
14033 (build5_stat): New.
14034 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14035 OMP_CLAUSE_REDUCTION_MERGE,
14036 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14037 OMP_CLAUSE_PRIVATE_DEBUG,
14038 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14039 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14040 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14041 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14042 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14043 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14044 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14045 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14046 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14047 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14048 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14049 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14050 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14051 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14052 (TREE_RANGE_CHECK): New.
14053 (empty_body_p): Declare.
14054 (enum omp_clause_default_kind): New.
14055 (build_string_literal): Declare.
14056 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14057 (build5_stat, build5): Declare.
14058 * tree-pass.h (TDF_CHAIN): Define.
14059 * tree-pass.h (PROP_gimple_lomp): Define.
14060 (pass_lower_omp): Declare.
14061 * diagnostic.h (debug_tree_chain): Declare.
14062 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14064 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14065 * builtins.c (build_string_literal): Make extern.
14066 * gcc.c (include_spec_function): New.
14067 (static_spec_functions): Add it.
14068 (main): Move load of libgomp.spec ...
14069 (LINK_COMMAND_SPEC): ... here.
14070 (link_gomp_spec): New.
14071 (static_specs): Include it.
14072 (LINK_COMMAND_SPEC): Add link_gomp.
14073 (GOMP_SELF_SPECS): New.
14074 (driver_self_specs): Include it.
14075 (switch_matches): Don't mark inline.
14076 (main): Load libgomp.spec.
14077 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14078 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14079 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14080 * tree-gimple.h (enum omp_parallel): Declare.
14081 (determine_parallel_type): Declare.
14082 (omp_firstprivatize_variable): Declare.
14083 (omp_reduction_init): Declare.
14084 (diagnose_omp_structured_block_errors): Declare.
14085 (struct walk_stmt_info): Add want_return_expr.
14086 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14087 (find_omp_clause): Declare.
14088 (insert_field_into_struct): Declare.
14089 (struct walk_stmt_info): Move from tree-nested.c
14090 (walk_stmts): Declare.
14091 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14093 * cgraphunit.c (cgraph_lower_function): Make static.
14094 (cgraph_finalize_pending_functions): New.
14095 (cgraph_finalize_function): Call it.
14096 (cgraph_finalize_compilation_unit): Likewise.
14097 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14098 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14099 (BT_FN_UINT_UINT): New.
14100 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14101 DEF_FUNCTION_TYPE_VAR_4): Document.
14102 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14103 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14104 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14105 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14106 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14107 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14108 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14109 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14110 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14111 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14112 into separate files.
14113 (DEF_GOMP_BUILTIN): New.
14114 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14115 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14116 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14117 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14118 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14119 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14120 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14121 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14122 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14123 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14124 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14125 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14126 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14127 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14128 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14129 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14130 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14131 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14132 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14133 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14134 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14135 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14136 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14137 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14138 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14139 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14140 * sync-builtins.def: New file, moved from builtins.def.
14141 * omp-builtins.def: New file, moved from builtins.def.
14142 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14143 * gimple-low.c (lower_function_body): Clear data.
14144 (lower_stmt): Do not handle COMPOUND_EXPR.
14145 Remove call to print_node_brief.
14146 * c-tree.h (c_finish_omp_clauses): New prototype.
14147 (C_DECL_THREADPRIVATE_P): Define.
14148 (lookup_name_no_remap, c_omp_remap_private): Remove
14149 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14150 (check_for_loop_decls): Update decl.
14151 (lookup_name_no_remap, c_omp_remap_private): Declare.
14152 (build_indirect_ref, build_modify_expr, pushdecl,
14153 pushdecl_top_level): Move to c-common.h.
14154 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14155 before the switch, but just in the 2 places that need it.
14156 * c-decl.c (diagnose_mismatched_decls): Do not check for
14157 mismatched thread-local attributes when OLDDECL is marked
14158 threadprivate and NEWDECL has no thread-local attributes.
14159 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14160 (c_gimple_diagnostics_recursively): Rename from
14161 c_warn_unused_result_recursively. Invoke
14162 diagnose_omp_structured_block_errors.
14163 (check_for_loop_decls): Return a singular decl found.
14164 * langhooks.c (lhd_omp_predetermined_sharing): Return
14165 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14166 (lhd_omp_firstprivatize_type_sizes): New.
14167 (lhd_omp_assignment): New.
14168 (lhd_omp_predetermined_sharing): New.
14169 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14170 (struct lang_hooks_for_types): Add
14171 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14172 omp_predetermined_sharing, omp_disregard_value_expr,
14173 omp_private_debug_clause, omp_clause_default_ctor,
14174 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14175 (c_finish_omp_clauses): New.
14176 (c_finish_bc_stmt): Diagnose break within omp for.
14177 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14178 (build_unary_op): Return error_mark after reporting
14180 (build_modify_expr): Likewise.
14181 * gimplify.c: Include optabs.h and pointer-set.h.
14182 (enum gimplify_omp_var_data): Declare.
14183 (struct gimplify_omp_ctx): Declare.
14184 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14186 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14187 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14188 (splay_tree_compare_decl_uid): New.
14189 (new_omp_context): New.
14190 (delete_omp_context): New.
14191 (gimple_add_tmp_var): Call omp_add_variable.
14192 (gimplify_bind_expr): Likewise.
14193 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14194 true, disregard DECL_VALUE_EXPR on the decl if any.
14195 (gimplify_expr_in_ctx): New.
14196 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14197 omp_add_variable, omp_notice_variable, omp_is_private
14198 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14199 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14200 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14201 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14202 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14203 gimplify_omp_atomic): New.
14204 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14205 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14206 OMP_CRITICAL and OMP_ATOMIC.
14207 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14208 * c-pragma.h (enum pragma_kind): Add
14209 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14210 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14211 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14212 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14213 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14214 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14215 PRAGMA_OMP_THREADPRIVATE.
14216 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14217 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14218 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14219 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14220 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14221 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14222 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14223 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14224 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14225 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14226 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14227 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14228 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14230 (struct nesting_info): Add field_map,
14231 suppress_expansion, debug_var_chain.
14232 (create_nesting_tree): Initialize them.
14233 (lookup_field_for_decl): Use field_map.
14234 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14235 (convert_local_omp_clauses): New.
14236 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14237 (walk_body): Split out of walk_function.
14238 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14239 (convert_nonlocal_reference): Handle omp statements.
14240 (convert_local_reference): Likewise.
14241 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14242 (unnest_nesting_tree): New.
14243 (lower_nested_functions): Call it.
14244 (insert_field_into_struct): Make extern.
14245 (struct walk_stmt_info): Move to tree-gimple.h.
14246 (walk_stmts): Make extern.
14247 * omp-builtins.def: New file.
14248 * tree-iterator.c (expr_only): Clarify comment.
14249 * c-common.h (pushdecl_top_level, pushdecl,
14250 build_modify_expr, build_indirect_ref,
14251 c_finish_omp_master, c_finish_omp_critical,
14252 c_finish_omp_ordered, c_finish_omp_barrier,
14253 c_finish_omp_atomic, c_finish_omp_flush,
14254 c_finish_omp_for, c_split_parallel_clauses,
14255 omp_clause_default_kind, c_omp_sharing_predetermined,
14256 c_omp_remap_decl): Declare.
14257 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14258 (OBJS-common): Add omp-low.o.
14259 (c-omp.o, omp-low.o): Add.
14260 (gimplify.o): Add dependency on $(OPTABS_H).
14261 (GTFILES): Add omp-low.c.
14262 (gt-stringpool.h): Add.
14263 * tree-cfg.c (set_bb_for_stmt): Do not update the
14264 block-to-labels map if we are currently expanding to RTL.
14265 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14267 Handle IDENTIFIER_NODE.
14268 (tree_verify_flow_info): Do not ICE when emitting error
14269 messages about invalid labels.
14270 (dump_function_to_file): Reset CFUN before emitting the body
14272 (debug_function): New.
14273 * passes.c (init_optimization_passes): Schedule
14275 * langhooks-def.h (lhd_omp_predetermined_sharing,
14276 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14278 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14279 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14280 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14281 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14282 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14283 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14284 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14285 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14286 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14287 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14288 (LANG_HOOK_DECLS): Use them.
14290 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14291 Richard Henderson <rth@redhat.com>
14292 Jakub Jelinek <jakub@redhat.com>
14293 Diego Novillo <dnovillo@redhat.com>
14295 * c-parser.c (pragma_omp_clause): Define.
14296 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14297 (c_parser_compound_statement): Likewise.
14298 (c_parser_statement): Likewise.
14299 (c_parser_pragma): Handle omp pragmas.
14300 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14301 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14302 (c_parser_omp_clause_name, check_no_duplicate_clause,
14303 c_parser_omp_variable_list,
14304 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14305 c_parser_omp_clause_copyprivate,
14306 c_parser_omp_clause_default,
14307 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14308 c_parser_omp_clause_lastprivate,
14309 c_parser_omp_clause_nowait,
14310 c_parser_omp_clause_num_threads,
14311 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14312 c_parser_omp_clause_reduction,
14313 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14314 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14315 c_parser_omp_atomic, c_parser_omp_barrier,
14316 c_parser_omp_critical, c_parser_omp_flush,
14317 c_parser_omp_for_loop, c_parser_omp_for,
14318 c_parser_omp_master, c_parser_omp_ordered,
14319 c_parser_omp_sections_scope, c_parser_omp_sections,
14320 c_parser_omp_parallel, c_parser_omp_single,
14321 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14322 * c-pragma.c (init_pragma): Do omp pragma registration here.
14323 * c.opt (fopenmp): New flag.
14325 2006-01-18 Eric Christopher <echristo@apple.com>
14327 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14328 * config/darwin.h (GOMP_SELF_SPECS): Define.
14330 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14332 * rtl.h: Remove the prototype for reg_alloc.
14334 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14337 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14338 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14339 sjlj and dwarf2 exception handling.
14340 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14341 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14342 * pa/pa.c (function_value): Treat complex and vector types as
14344 (function_arg): Likewise. Only pass scalar floats in the floating
14345 point argument registers.
14346 * pa/t-slibgcc-dwarf-ver: New file.
14347 * pa/t-slibgcc-sjlj-ver: New file.
14348 * pa/t-slibgcc-elf-ver: Delete file.
14350 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14352 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14353 unlikely_test_section_p test.
14355 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14357 * mode-switching.c (optimize_mode_switching): Make it static.
14358 * basic-block.h: Remove the prototype for
14359 optimize_mode_switching.
14361 * modulo-sched.c (sms_schedule): Make it static.
14362 * rtl.h: Remove the prototype for sms_schedule.
14364 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14365 * rtl.h: Remove the prototype for gcse_after_reload_main.
14367 * reg-stack.c (reg_to_stack): Make it static.
14368 * rtl.h: Remove the prototype for reg_to_stack.
14370 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14372 * rtl.h: Remove the prototypes for regrename_optimize and
14373 copyprop_hardreg_forward.
14375 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14377 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14378 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14379 Test against the appropriate null constant for the mode.
14380 If 'fixup_overlap' is true, swap the operands if they overlap.
14381 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14382 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14383 alpha_split_tmode_pair and adjust for above change.
14384 * config/alpha/alpha.md (movtf_internal): Adjust call to
14385 alpha_split_tfmode_pair and rely on it to swap the operands.
14386 (movti_internal): New insn and post-reload splitter.
14387 (movti): New expander.
14389 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14391 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14394 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14396 * rtlanal.c (global_reg_mentioned_p_1,
14397 global_reg_mentioned_p): Remove.
14398 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14400 * flow.c (initialize_uninitialized_subregs): Make it static.
14401 * rtl.h: Remove the prototype for
14402 initialize_uninitialized_subregs.
14404 * function.c (instantiate_virtual_regs): Make it static.
14405 * function.h: Remove the prototype for
14406 instantiate_virtual_regs.
14408 * regmove.c (regmove_optimize, combine_stack_adjustments):
14410 * rtl.h: Remove the prototypes for regmove_optimize and
14411 combine_stack_adjustments.
14413 2006-01-17 Roger Sayle <roger@eyesopen.com>
14415 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14416 (size_cost): Encode costs in bytes so that a reg-reg addition is
14417 equivalent to COSTS_N_INSNS(1).
14418 (override_options): Use the size_cost.branch_cost as the default
14419 ix86_branch_cost when optimizing for size.
14421 2006-01-18 Ben Elliston <bje@au.ibm.com>
14423 * Makefile.in (D32PBIT_FUNCS): New.
14424 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14425 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14426 D64PBIT_FUNCS and D128PBIT_FUNCS.
14427 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14428 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14430 (decnumber_dep): Define.
14431 * doc/libgcc.texi (Decimal float library routines): New node.
14432 * config/dfp-bit.h, config/dfp-bit.c: New files.
14434 2006-01-18 Ben Elliston <bje@au.ibm.com>
14436 * expr.c (emit_move_change_mode): Always adjust addresses, not
14437 just during reload. Copy replacements only during reload.
14438 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14439 emit_move_via_integer.
14441 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14443 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14444 instead of $(srcdir) and ${srcdir}.
14446 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14449 PR middle-end/11135
14450 * arm.h (struct machine_function): Add pic_reg.
14451 * arm.c (arm_pic_register): Make unsigned.
14452 (arm_override_options): Only set arm_pic_register if
14453 TARGET_SINGLE_PIC_BASE.
14454 (use_return_insn): Only test for a pic register if it is fixed.
14455 (arm_compute_save_reg0_reg12_mask): Likewise.
14456 (thumb_compute_save_reg_mask): Likewise.
14457 (legitimate_pic_operand): Factor out some known invariants.
14458 (legitimize_pic_address): If we don't have a fixed pic register,
14459 then set up a pseudo in the function entry sequence. Handle the
14460 pic base being in a pseudo.
14461 (arm_load_pic_register): Handle the pic register being in a pseudo.
14462 (arm_expand_prologue): Only set up the pic register if it is fixed.
14463 (thumb_expand_prologue): Likewise.
14464 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14465 (pic_load_addr_based_insn): Likewise.
14466 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14469 2006-01-18 Ben Elliston <bje@au.ibm.com>
14471 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14472 decimal float modes for all floating point registers.
14474 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14475 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14477 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14480 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14481 even when the pointer is not NULL.
14483 2006-01-16 Ian Lance Taylor <ian@airs.com>
14485 * common.opt (ftoplevel-reorder): New option.
14486 * cgraph.c (cgraph_asm_nodes): New global variable.
14487 (cgraph_asm_last_node): New static variable.
14488 (cgraph_order): New global variable.
14489 (cgraph_create_node): Set new order field.
14490 (cgraph_varpool_node): Likewise.
14491 (decide_is_variable_needed): Return true if not
14492 flag_toplevel_reorder.
14493 (cgraph_add_asm_node): New function.
14494 * cgraph.h (struct cgraph_node): Add order field.
14495 (struct cgraph_varpool_node): Add order field.
14496 (struct cgraph_asm_node): Define.
14497 (cgraph_asm_nodes, cgraph_order): Declare.
14498 (cgraph_add_asm_node): Declare.
14499 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14501 (cgraph_varpool_assemble_pending_decls): Call it.
14502 (cgraph_output_pending_asms): New static function.
14503 (cgraph_finalize_compilation_unit): Call it.
14504 (struct cgraph_order_sort): Define.
14505 (cgraph_output_in_order): New static function.
14506 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14507 !flag_toplevel_reorder case.
14508 * c-parser.c: Include "cgraph.h".
14509 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14511 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14512 than -fno-unit-at-a-time.
14513 * doc/invoke.texi (Option Summary): Mention
14514 -fno-toplevel-reorder.
14515 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14516 -funit-at-a-time documentation.
14518 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14519 Kazu Hirata <kazu@codesourcery.com>
14521 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14523 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14525 * Makefile.in (FUNCTION_H): New. Use it instead of
14526 function.h throughout the file.
14527 * function.h: Include tree.h.
14529 2006-01-17 Ben Elliston <bje@au.ibm.com>
14531 * recog.c: Separate some functions with whitespace.
14533 2006-01-16 Richard Henderson <rth@redhat.com>
14535 Merge from gomp branch:
14536 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14537 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14538 and rename from struct inline_data. Rename callee* to dst*;
14539 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14540 transform_new_cfg, transform_return_to_modify, and
14541 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14543 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14544 (copy_decl_for_dup): Remove.
14545 * tree-inline.c (struct inline_data): Move to header.
14546 (insert_decl_map): Export.
14547 (remap_decl): Update for member name changes. Use copy_decl hook.
14548 Allow for replacement to be a non-decl. Remove dead code.
14549 (remap_type_1): Check for existing mapping.
14550 (remap_type): Export.
14551 (remap_decls): Update for member name changes.
14552 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14553 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14554 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14555 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14556 (tree_function_versioning, build_duplicate_type): Likewise.
14557 (copy_body_r): Likewise. Export.
14558 (copy_decl_for_dup): Split into ...
14559 (copy_decl_for_dup_finish, copy_decl_to_var,
14560 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14561 (replace_ref_tree, inlining_p): Remove.
14563 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14565 * ifcvt.c (if_convert): Make it static.
14566 * rtl.h: Remove the prototype for if_convert.
14568 * local-alloc.c (local_alloc): Make it static.
14569 * rtl.h: Remove the prototype for local_alloc.
14571 * loop.c (loop_optimize): Make it static.
14572 * cfgloop.h: Remove the prototype for loop_optimize.
14575 2006-01-16 DJ Delorie <dj@redhat.com>
14577 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14580 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14582 * pa.md: Disparage copies between general and floating-point registers
14583 in 32-bit move patterns.
14585 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14588 * Makefile.in (check-%): Depend on site.exp instead of
14589 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14592 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14594 * global.c (global_alloc): Make it static.
14595 * rtl.h: Remove the prototype for global_alloc.
14597 2006-01-16 Richard Guenther <rguenther@suse.de>
14599 * tree-ssa-alias.c (struct used_part): Add write_only field.
14600 (get_or_create_used_part_for): Initialize it to true.
14601 (create_overlap_variables_for): Don't create structure variables
14602 for structures that only are written to.
14603 (find_used_portions): Handle MODIFY_EXPR to track whether a
14604 structure is only written to.
14606 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14608 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14610 * basic-block.h: Remove the prototype for
14611 partition_hot_cold_basic_blocks.
14613 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14615 * cppspec.c (lang_specific_spec_functions): Remove.
14616 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14617 * gcc.h (lang_specific_spec_functions): Remove.
14618 * gccspec.c (lang_specific_spec_functions): Remove.
14620 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14622 * combine.c (record_value_for_reg): Invalidate registers
14624 (record_dead_and_set_regs_1): Likewise, by passing them to
14625 record_value_for_reg.
14626 (record_dead_and_set_regs): Invalidate stores made by a
14627 call. We do not combine across a call, but we still
14628 relied on equivalences.
14630 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14632 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14633 vrp_int_const_binop returning non-constant nodes.
14635 2006-01-16 Paul Brook <paul@codesourcery.com>
14637 * config/m68k/m68k.c (output_move_const_into_data_reg):
14638 Output correct mnemonic for mvz and mvs.
14640 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14642 * rtl-factoring.c: Add sequence abstraction algorithm.
14643 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14644 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14646 (block_has_preserve_label): New function.
14647 * common.opt: Register new pass.
14648 * Makefile.in: Ditto.
14650 * timevar.def: Ditto.
14651 * tree-pass.h: Ditto.
14652 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14653 * rtl.h (make_jump_insn_raw): Add forward decl.
14654 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14656 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14657 Roger Sayle <roger@eyesopen.com>
14659 * fold-const.c (fold_minmax): New static function.
14660 (fold_binary) <MIN_EXPR>: Call it.
14661 <MAX_EXPR>: Likewise.
14662 * stor-layout.c (place_field): Use DECL_SIZE consistently
14663 in the computation of the new record size.
14665 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14667 * cse.c (cse_condition_code_reg): Make it static.
14668 * rtl.h: Remove the prototype for cse_condition_code_reg.
14670 * combine.c (combine_instructions): Make it static.
14671 * rtl.h: Remove the prototype for combine_instructions.
14673 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14676 * tree.c (get_file_function_name_long): Concatenate the first global
14677 object name with a string derived from the input filename of the object
14680 2006-01-16 Ben Elliston <bje@au.ibm.com>
14682 * config/i386/winnt-stubs.c: Update FSF address.
14683 * config/xtensa/ieee754-df.S: Ditto.
14684 * config/xtensa/ieee754-sf.S: Ditto.
14686 2006-01-14 Ian Lance Taylor <ian@airs.com>
14688 * ifcvt.c (noce_init_if_info): New static function, broken out of
14689 noce_process_if_block.
14690 (noce_process_if_block): Call noce_init_if_info.
14691 (check_cond_move_block): New static function.
14692 (cond_move_process_if_block): New static function.
14693 (process_if_block): Call cond_move_process_if_block.
14695 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14697 * cselib.c (hash_table): Rename to cselib_hash_table.
14698 (cselib_clear_table, discard_useless_values,
14699 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14700 cselib_init, cselib_finish): Adjust uses of hash_table.
14702 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14704 PR tree-optimization/25485
14705 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14706 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14707 is known to be false and true, respectively.
14709 2006-01-14 Richard Guenther <rguenther@suse.de>
14711 PR tree-optimization/22548
14712 PR tree-optimization/22555
14713 PR tree-optimization/22501
14714 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14715 * params.def (salias-max-array-elements): New parameter.
14716 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14717 * doc/invoke.texi (salias-max-array-elements): Document.
14718 * tree-flow-inline.h (var_can_have_subvars): We also handle
14720 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14722 * tree-ssa-structalias.c (params.h): Include.
14723 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14724 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14725 (get_constraint_for): For ADDR_EXPR operating on something
14726 containing an ARRAY_REF, add all subvars to the solution.
14727 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14728 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14729 for creating MUST_DEFs.
14730 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14732 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14734 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14736 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14737 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14738 number_of_iterations_le): New functions.
14739 (number_of_iterations_special): Removed.
14740 (number_of_iterations_exit): Do not use number_of_iterations_special.
14741 * tree.c (unsigned_type_for): Always return integer type.
14743 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14744 Richard Guenther <rguenther@suse.de>
14746 PR rtl-optimization/24257
14747 * gcse.c (find_moveable_store): Only consider a store movable
14748 when the SET_SRC of the insn can be assigned to a register.
14750 2006-01-14 Ian Lance Taylor <ian@airs.com>
14752 * tree.c (tree_not_class_check_failed): New function.
14753 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14754 (tree_not_class_check_failed): Declare.
14756 2006-01-13 Ian Lance Taylor <ian@airs.com>
14758 * reload1.c (do_output_reload): Add assertion rejecting a
14761 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14763 * combine.c (struct reg_stat): Add new fields truncation_label and
14765 (record_value_for_reg): Reset truncated_to_mode.
14766 (record_truncated_value): New function.
14767 (check_promoted_subreg): Call it. Rename to check_conversions.
14768 (combine_instructions): Rename check_promoted_subreg to
14770 (reg_truncated_to_mode): New function.
14771 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14772 (gen_lowpart_or_truncate): New function.
14773 (force_to_mode): Use it instead of gen_lowpart.
14775 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14777 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14778 VAR is a tag, not its type tag.
14780 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14782 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14783 alternatives to match style of other entries.
14784 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14786 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14788 PR tree-optimization/25771
14789 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14792 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14795 * tree-inline.c (declare_return_variable): If the return variable
14796 was marked as a non gimple complex, set the return slot variable
14797 to be a non gimple comple variable.
14799 2006-01-13 Richard Guenther <rguenther@suse.de>
14801 * builtins.c (expand_builtin_sincos): New function.
14802 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14804 (expand_builtin): Expand sincos using expand_builtin_sincos.
14806 2006-01-12 DJ Delorie <dj@redhat.com>
14808 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14809 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14810 so that constant shifts can be split.
14811 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14812 (m32c_valid_pointer_mode): Make static.
14813 (shift_gen_func_for): New.
14814 (m32c_prepare_shift): Use it. Split large const shifts into
14816 * config/m32c/predicates.md (shiftcount_operand): Allow more
14818 (longshiftcount_operand): New.
14819 * doc/md.texi (Machine Constraints): Document In6.
14821 2006-01-13 Ben Elliston <bje@au.ibm.com>
14823 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14824 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14827 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14829 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14830 to try to avoid clobbering pieces of structures when we know
14831 something about the whole structure.
14832 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14834 2006-01-13 Ben Elliston <bje@au.ibm.com>
14836 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14837 return in memory, as this is no limitation is no longer present.
14839 2006-01-12 DJ Delorie <dj@redhat.com>
14841 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14842 mova with fb, and for fb+0 -> An.
14844 * config/m32c/mov.md (peephole2): Fix enabling logic.
14846 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14847 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14848 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14849 FINI_ARRAY_SECTION_ASM_OP): Define.
14851 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14853 (m32c_legitimize_reload_address): New logic to reload FB to An.
14854 (m32c_output_reg_push): Add newline.
14855 (m32c_output_reg_pop): Likewise.
14857 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14859 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14861 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14863 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14865 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14867 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14870 2006-01-11 Ben Elliston <bje@au.ibm.com>
14872 * rtlanal.c (find_reg_note): Assert insn is not null.
14874 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14876 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14879 2006-01-11 Jeff Law <law@redhat.com>
14881 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14883 (mark_threaded_blocks, register_jump_thread): New functions.
14884 (thread_through_all_blocks): Remove unwanted argument. No
14885 longer rely on e->aux to communicate thread target info.
14886 Call mark_threaded_blocks. Release the threaded_blocks
14887 bitmap and threaded_edges vector when complete.
14888 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14889 (threaded_blocks): Remove.
14890 (tree_ssa_dominator_optimize): Remove initialization and
14891 finalization of threaded_blocks. Simplify call to
14892 thread_through_all_blocks.
14893 (thread_across_edge): Call register_jump_thread rather than
14894 storing thread information into e->aux.
14895 (free_all_edge_infos): Simplify now that e->aux is no longer
14896 used to communicate with thread_through_all_blocks.
14897 * tree-flow.h (thread_through_all_blocks): Update prototype.
14898 (register_jump_thread): Prototype.
14900 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14902 * df-core.c (df_compact_blocks, df_bb_replace): Use
14903 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14905 2006-01-11 Richard Guenther <rguenther@suse.de>
14907 PR tree-optimization/25734
14908 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14909 stop propagation after successful propagation to the LHS.
14911 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14913 * basic-block.h (control_flow_graph): Change the type of
14914 x_basic_block_info to VEC(basic_block,gc) *.
14915 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14917 (SET_BASIC_BLOCK): New.
14918 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14919 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14920 * cfgbuild.c (find_basic_blocks): Likewise.
14921 * cfglayout.c (fixup_reorder_chain): Likewise.
14922 * cfgrtl.c (create_basic_block_structure,
14923 rtl_create_basic_block): Likewise.
14924 * ifcvt.c (find_if_case_1): Likewise.
14925 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14928 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14930 * Makefile.in: Removed rotted odf.c entry.
14932 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14935 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14936 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14937 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14938 output pattern modifier, not %e.
14939 * config/cris/cris.c (cris_op_str): Update comment about pattern
14941 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14942 before falling through into...
14943 <case 'E'>: Redefined from old 'e' case.
14945 2006-01-11 Jan Hubicka <jh@suse.cz>
14948 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14950 2006-01-11 Jan Hubicka <jh@suse.cz>
14952 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14953 * i386.c (x86_decompose_lea): Kill.
14954 (ix86_rtx_costs): Kill.
14956 2006-01-11 Jan Hubicka <jh@suse.cz>
14958 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14959 * cgraph.h (cgraph_node): Add inline_decl.
14960 (cgraph_insert_node_to_hashtable): Declare.
14961 (save_inline_function_body): Declare.
14962 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14964 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14965 (cgraph_function_versioning): Update call of tree_function_versioning.
14966 (save_inline_function_body): New function.
14967 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14968 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14969 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14970 (cgraph_default_inline_p): Likewise.
14971 (cgraph_decide_inlining_incrementally): Likewise.
14972 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14973 (copy_bb): Kill saving; do updating of clones.
14974 (copy_cfg_body): Kill saving.
14975 (initialize_inlined-parameters): Likewise.
14976 (expand_call_inline): Likewise.
14978 (tree_function_versioning): New parameter "update_clones".
14979 (inlining_p): Kill saving.
14980 * tree-inline.h (tree_function_versioning): Update prototype.
14981 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14984 2006-01-11 Ian Lance Taylor <ian@airs.com>
14986 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14987 Allow undoing set of machine mode.
14988 (do_SUBST): Use enums instead of is_int.
14989 (do_SUBST_MODE): New function.
14990 (SUBST_MODE): New macro.
14991 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14992 reg and trying to replace reg_regno_rtx with a new register.
14993 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14994 (simplify_set): Use SUBST_MODE.
14995 (distribute_notes): Remove code that tried to update reg notes
14996 for regno_reg_rtx changes.
14998 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15000 PR tree-optimization/23109
15001 PR tree-optimization/23948
15002 PR tree-optimization/24123
15004 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15005 * tree-cfg.c (single_noncomplex_succ): New.
15006 * tree-flow.h (single_noncomplex_succ): Declare it.
15007 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15008 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15009 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15010 insert_bb, register_division_in, insert_reciprocals,
15011 replace_reciprocal, free_bb): New.
15012 (execute_cse_reciprocals_1): Rewritten.
15013 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15014 Do not commit any edge insertion. Always compute dominators and
15015 create the allocation pool.
15016 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15017 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15018 * targhooks.c (default_min_divistions_for_recip_mul): New.
15019 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15020 * passes.c (init_optimization_passes): Run recip after tree loop
15022 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15024 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15025 Kenneth Zadeck <zadeck@naturalbridge.com>
15027 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15028 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15029 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15030 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15031 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15032 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15033 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15034 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15035 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15036 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15037 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15038 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15039 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15040 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15041 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15042 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15043 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15044 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15045 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15046 DF_SCAN_POST_ALLOC): New macros.
15047 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15048 df_free_bb_function, df_local_compute_function, df_init_function,
15049 df_dataflow_function, df_confluence_function_0,
15050 df_confluence_function_n, df_transfer_function,
15051 df_finalizer_function, df_free_function, df_dump_problem_function,
15052 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15053 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15054 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15055 df_urec_bb_info, ) New types.
15056 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15058 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15059 df_analyze_simple_change_some_blocks,
15060 df_analyze_simple_change_one_block, df_compact_blocks,
15061 df_bb_replace, df_bb_regno_last_use_find,
15062 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15063 df_insn_regno_def_p, df_find_def, df_find_use,
15064 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15065 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15066 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15067 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15068 debug_df_chain, df_get_dependent_problem, df_chain_create,
15069 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15070 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15071 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15072 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15073 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15074 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15075 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15076 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15077 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15078 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15079 df_reorganize_refs, df_set_state, df_hard_reg_init,
15080 df_read_modify_subreg_p) New public functions.
15081 * df-core.c: The core dataflow solver and glue routines for rtl
15083 (df_init, df_add_problem, df_set_blocks, df_finish,
15084 df_hybrid_search_forward, df_hybrid_search_backward,
15085 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15086 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15087 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15088 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15089 df_reg_defined, df_find_use, df_reg_used, df_dump,
15090 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15091 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15092 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15093 debug_df_useno, reset_df_after_reload): New functions.
15094 * df-scan.c: The scanning fuctions, once in df.c, completely
15095 rewritten so that they now fully model the functionality of
15096 register usage at the backend.
15097 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15098 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15099 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15100 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15101 df_get_artificial_defs, df_get_artificial_uses,
15102 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15103 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15104 df_refs_delete, df_reorganize_refs, df_set_state,
15105 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15106 df_def_record_1, df_defs_record, df_uses_record,
15107 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15108 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15109 df_record_exit_block_uses, df_hard_reg_init): New functions.
15111 * df-problems.c: Seven concrete dataflow problems that use the
15112 scanning in df-scan.c and are solved by the engine in df-core.c.
15113 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15114 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15115 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15116 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15117 df_ru_free_bb_info, df_ru_alloc,
15118 df_ru_bb_local_compute_process_def,
15119 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15120 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15121 df_ru_transfer_function, df_ru_free, df_ru_dump,
15122 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15123 df_rd_free_bb_info, df_rd_alloc,
15124 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15125 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15126 df_rd_transfer_function, df_rd_free, df_rd_dump,
15127 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15128 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15129 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15130 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15131 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15132 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15133 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15134 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15135 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15136 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15137 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15138 df_urec_mark_reg_use_for_earlyclobber,
15139 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15140 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15141 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15142 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15143 df_chain_create_bb_process_use, df_chain_create_bb,
15144 df_chain_finalize, df_chain_free, df_chains_dump,
15145 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15146 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15147 df_reg_lifetime): New functions.
15148 * df.c: Deleted file.
15149 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15150 consistent with new df api.
15151 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15152 rest_of_handle_sms): Ditto.
15153 * web.c (unionfind_union, union_defs, entry_register, web_main):
15155 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15156 invariant_expr_equal_p, find_defs, check_dependencies,
15157 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15158 free_inv_motion_data, move_loop_invariants): Ditto.
15159 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15160 Update dependencies.
15161 (odf.c): Added defective entry that was deleted later in day.
15162 * sched-deps.c (sched_analyze_1): Ditto.
15164 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15166 * tree-ssa-operands.c (get_expr_operands): Record addressable
15167 variables directly. Do not call add_stmt_operands for CONST_DECLs
15169 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15170 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15172 2006-01-11 Ben Elliston <bje@au.ibm.com>
15174 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15175 function returns true in the positive case.
15177 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15180 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15181 for SI, DI, SF and DF modes. Add alternatives to copy between
15182 general and floating point registers to the 32-bit patterns.
15183 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15184 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15185 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15186 generating 64-bit code.
15187 * config/pa/pa.c (output_move_double): Handle copies between general
15188 and floating registers.
15190 2006-01-10 Stuart Hastings <stuart@apple.com>
15192 * config/i386/i386.md (set_got): Update.
15193 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15194 (builtin_setjmp_receiver): Mach-O support.
15195 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15196 (GOT_SYMBOL_NAME): Define.
15197 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15198 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15199 * config/i386/i386.c (override_options): Revise for Darwin.
15200 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15201 support. (darwin_x86_file_end): New. (output_set_got): Add label
15202 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15203 * config/i386/i386-protos.h (output_set_got): Likewise.
15204 * config/darwin.c (machopic_legitimize_pic_address): Update
15207 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15209 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15210 when MODE isn't BLKmode.
15212 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15214 PR rtl-optimization/25367
15215 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15217 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15220 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15221 for a negative bound.
15223 2006-01-10 Richard Guenther <rguenther@suse.de>
15225 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15226 Never override with anything constraint.
15228 2006-01-10 Jan Beulich <jbeulich@novell.com>
15230 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15231 256 bits when optimize_size.
15233 2006-01-10 Jan Beulich <jbeulich@novell.com>
15235 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15237 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15238 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15241 2006-01-10 Ben Elliston <bje@au.ibm.com>
15243 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15245 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15246 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15247 (USE_FP_FOR_ARG): Reject decimal float modes.
15248 (function_arg_advance): Likewise.
15249 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15250 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15251 point types in AltiVec vectors.
15252 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15253 (rs6000_libcall_value): Likewise.
15255 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15257 * config/xtensa/ieee754-df.S: New file.
15258 * config/xtensa/ieee754-sf.S: New file.
15259 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15260 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15261 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15263 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15265 * config/sh/predicates.md (binary_float_operator,
15266 binary_logical_operator, commutative_float_operator,
15267 equality_comparison_operator, greater_comparison_operator,
15268 less_comparison_operator, logical_operator,
15269 noncommutative_float_operator, shift_operator,
15270 symbol_ref_operand, unary_float_operator): Remove redundant
15273 2006-01-09 Jeff Law <law@redhat.com>
15275 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15276 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15277 now unused arguments. Callers updated.
15278 (eliminate_redundant_computations): Remove now unused arguments,
15280 (local_fold): Remove, no longer used.
15281 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15283 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15284 (simplify_cond): New function.
15285 (forward_propagate_into_cond): Call simplify_cond.
15287 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15289 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15290 (*vec_extractv2di_1_sse): New.
15292 2006-01-09 Ben Elliston <bje@au.ibm.com>
15294 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15296 2006-01-08 Richard Guenther <rguenther@suse.de>
15298 * tree-ssa-structalias.c (get_constraint_for): Remove
15299 anyoffset argument.
15300 (get_constraint_for_component_ref): Likewise.
15301 (do_deref): Likewise.
15302 (get_constraint_for): Likewise.
15303 (do_structure_copy): Likewise.
15304 (handle_ptr_arith): Likewise.
15305 (find_func_aliases): Likewise. Remove unused need_anyoffset
15308 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15309 Kaz Kojima <kkojima@gcc.gnu.org>
15311 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15312 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15313 (EXTRA_CONSTRAINT_C16): Remove.
15314 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15315 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15316 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15317 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15318 constants of SHmedia. Handle nested constant expressions of
15320 (andcosts): Fix the costs for SHmedia constants.
15321 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15322 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15323 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15324 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15325 (movv4hi_i, movv2si_i): Likewise.
15326 (movsi_const): Adjust the second operand of ior so to match with
15327 the Csu constraint.
15328 (movdi_const, movdi_const_32bit): Likewise.
15329 (movdi_const_16bit+1): Don't sign-extend LOW.
15330 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15332 (*double_shori): Fix the split condition. Use GEN_INT instead
15333 of get_int_mode calls. Mask lower 16-bit of the argument of
15335 (sym2GOTPLT): Remove.
15336 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15338 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15339 instead of EXTRA_CONSTRAINT_C16.
15341 2006-01-07 Ian Lance Taylor <ian@airs.com>
15342 David Edelsohn <edelsohn@gnu.org>
15344 PR rtl-optimization/25662
15345 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15346 for constant operands instead of simplify_gen_binary.
15347 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15348 after trying simplify_binary_operation
15350 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15352 * tree.c (iterative_hash_expr): Hash decls based on UID.
15354 2006-01-06 Eric Christopher <echristo@apple.com>
15356 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15357 (TARGET_UNWIND_EMIT): Fix spelling.
15358 * target.h (gcc_target): Add except_table_label.
15359 * except.c (output_function_exception_table): Use.
15360 * varasm.c (default_emit_except_table_label): New.
15361 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15363 (asm_out): Add here.
15364 * output.h (default_emit_except_table_label): Prototype.
15365 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15366 * config/darwin.c (darwin_emit_except_table_label): Define.
15367 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15369 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15371 PR tree-optimization/18527
15372 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15373 number_of_iterations_special, number_of_iterations_exit):
15374 Move base and step of an iv to a single structure. Add
15375 no_overflow flag, and use it in # of iterations analysis.
15376 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15377 folded_casts argument.
15378 (simple_iv): Pass base and step in a structure. Set no_overflow
15380 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15381 Evaluate expensiveness of computing # of iterations instead of
15382 the final expression.
15383 * tree-scalar-evolution.h (affine_iv): New structure.
15384 (simple_iv): Declaration changed.
15385 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15386 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15387 find_givs_in_stmt): Changed due to simple_iv change.
15389 2006-01-06 Jeff Law <law@redhat.com>
15392 * tree-cfg.c (bsi_replace): Rename final argument from
15393 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15394 change (stmt -> orig_stmt).
15395 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15396 (bsi_remove): Add new argument. Remove EH information
15398 (verify_eh_throw_table_statements): New function.
15399 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15401 * tree-optimize.c (execute_free_cfg_annotations): Verify
15402 the EH throw statement table after removing annotations.
15403 * except.h (verify_eh_throw_table_statements): Prototype.
15404 * tree-flow.h (bsi_remove): Update prototype.
15405 * tree-vrp.c (remove_range_assertions): Add new argument to
15407 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15408 * tree-complex.c (expand_complex_div_wide): Likewise.
15409 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15410 * tree-tailcall.c (eliminate_tailcall): Likewise.
15411 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15412 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15413 * tree-nrv.c (tree_nrv): Likewise.
15414 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15415 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15416 (combine_blocks): Likewise.
15417 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15418 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15419 (cleanup_control_flow): Likewise.
15420 (remove_forwarder_block): Likewise.
15421 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15422 * tree-sra.c (sra_replace): Likewise.
15423 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15424 (forward_propagate_single_use_vars): Likewise.
15425 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15426 * tree-inline.c (expand_call_inline): Likewise.
15427 * tree-vect-transform.c (vect_transform_loop): Likewise.
15428 * tree-outof-ssa.c (rewrite_trees): Likewise.
15429 * tree-cfg.c (make_goto_expr_edges): Likewise.
15430 (cleanup_dead_labels): Likewise.
15431 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15432 (bsi_move_before, bsi_move_after): Likewise.
15433 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15434 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15436 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15439 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15441 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15442 on non gimple variables. Also add checks at the top for decls and
15444 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15446 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15447 and IMAGPART_EXPR for creating MUST_DEFs.
15448 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15449 and NAME_MEMORY_TAG separately from the DECLs.
15451 2006-01-06 Richard Guenther <rguenther@suse.de>
15453 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15454 annotation, if necessary.
15455 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15456 redundant calls to update_stmt.
15457 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15460 2006-01-05 Richard Henderson <rth@redhat.com>
15462 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15464 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15466 * c-typeck.c: Update copyright date.
15468 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15470 * c-typeck.c (build_c_cast): Always warn when casting
15471 from a pointer to an integer of different size, even if
15472 the node was constant.
15474 2006-01-05 Richard Guenther <rguenther@suse.de>
15476 PR tree-optimization/22555
15477 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15478 if one structure field is an array.
15479 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15480 operands even if we found a subvar, but ignore VOPs in this
15482 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15484 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15486 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15488 PR middle-end/24998
15489 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15491 2006-01-05 Richard Guenther <rguenther@suse.de>
15492 Diego Novillo <dnovillo@redhat.com>
15494 * tree-pass.h (TODO_remove_unused_locals): Define.
15495 * gimple-low.c (expand_var_p, remove_useless_vars,
15496 pass_remove_useless_vars): Remove. Update all users.
15497 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15498 (remove_unused_locals): New function.
15499 * tree-flow.h (remove_unused_locals): Declare.
15500 * passes.c (execute_todo): Call remove_unused_locals if
15501 TODO_remove_unused_locals is set.
15502 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15503 * tree-ssa-dce.c (pass_dce): Likewise.
15504 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15506 2006-01-05 Richard Guenther <rguenther@suse.de>
15508 * tree-flow.h (struct fieldoff): Decompose field to
15509 type, size and decl.
15510 * tree-ssa-alias.c (create_sft): Take type as parameter.
15511 (create_overlap_variables_for): Store type, size and decl
15512 in the fieldoff structure.
15513 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15514 of struct fieldoff.
15515 (push_fields_onto_fieldstack): Likewise.
15516 (create_variable_info_for): Likewise. Use offset for the
15517 SFT name if the decl is not available.
15519 2006-01-04 Paul Brook <paul@codesourcery.com>
15521 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15523 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15525 * lambda-code.c (can_put_in_inner_loop): Relax
15527 (can_put_after_inner_loop): New function.
15528 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15529 (perfect_nestify): Change to make copies and modify uses.
15531 2006-01-04 Richard Henderson <rth@redhat.com>
15533 Merge from gomp branch:
15534 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15535 via integer constant.
15536 (pragma_lex): Remove.
15537 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15538 rather than parsing it.
15539 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15540 handle_pragma_extern_prefix): Add %< %> quotes.
15541 (registered_pragmas): New.
15542 (c_register_pragma_1): New.
15543 (c_register_pragma): Use it.
15544 (c_register_pragma_with_expansion): Likewise.
15545 (c_invoke_pragma_handler): New.
15546 (init_pragma): Use cpp_register_deferred_pragma directly for
15548 * c-pragma.h (enum pragma_kind): New.
15549 (pragma_handler): New.
15550 (c_invoke_pragma_handler): Declare.
15551 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15553 * c-common.h (c_common_pch_pragma): Update decl.
15554 * Makefile.in (c-parser.o): Update dependencies.
15555 (GTFILES): Add c-pragma.h.
15556 * c-parser.c (struct c_token): Add pragma_kind.
15557 (struct c_parser): Add in_pragma.
15558 (c_lex_one_token): Always initialize keyword and pragma_kind.
15559 Extract data for CPP_PRAGMA.
15560 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15561 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15562 Don't allow CPP_PRAGMA_EOL if in_pragma.
15563 (c_parser_consume_pragma): New.
15564 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15565 (c_parser_skip_to_end_of_parameter): Likewise.
15566 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15567 (c_parser_skip_to_pragma_eol): New.
15568 (c_parser_external_declaration): Handle CPP_PRAGMA.
15569 (c_parser_compound_statement_nostart): Likewise.
15570 (c_parser_statement_after_labels): Likewise.
15571 (c_parser_pragma): New.
15572 (pragma_lex): Likewise.
15573 (c_parser_pragma_pch_preprocess): New.
15574 (c_parser_new): Merge into ...
15575 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15577 2006-01-04 Jeff Law <law@redhat.com>
15580 * tree-cfg.c (bsi_replace): Remove the original statement
15581 from the EH throw statement table.
15583 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15585 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15586 make the prototype extern "C" and add throw ().
15589 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15590 and pos non-negative and pos + len <= 32.
15591 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15592 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15593 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15596 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15597 as well as sizes not multiple of component size.
15600 * function.c (instantiate_expr): New function.
15601 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15602 walk its DECL_VALUE_EXPR with instantiate_expr.
15604 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15605 DW_OP_deref{,_size} if address isn't going to be added.
15607 2006-01-04 Ben Elliston <bje@au.ibm.com>
15609 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15610 * config/fp-bit.c: Likewise.
15612 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15614 * dominance.c: Add comment about why we use DFS numbering
15617 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15618 Richard Henderson <rth@redhat.com>
15620 Merge from gomp-branch:
15621 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15622 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15624 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15626 PR rtl-optimization/25578
15627 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15628 pass a parameter to simplify_shift_const if changing ASHIFTRT
15631 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15633 * builtins.c (get_builtin_sync_mem): New function.
15634 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15635 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15636 Call get_builtin_sync_mem to generate mem rtx.
15638 2006-01-03 Richard Guenther <rguenther@suse.de>
15641 * stmt.c (add_case_node): Make sure to clear overflow flags
15644 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15646 Merge from gomp-branch.
15647 * config/sparc/sync.md: New file.
15648 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15649 UNSPECV_LDSTUB): New constants.
15650 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15651 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15652 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15655 2006-01-03 Roger Sayle <roger@eyesopen.com>
15657 * combine.c (reg_subword_p): New predicate to test whether the
15658 destination of a set refers to a subword/piece of a register.
15659 (try_combine): Generalize the code to merge the setting of a
15660 pseudo to a constant followed by a set of a subword of that
15661 register to a constant.
15663 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15665 * basic-block.h (control_flow_graph): Change the type of
15666 x_label_to_block_map to VEC(basic_block,gc) *.
15667 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15668 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15670 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15671 VEC(basic_block,heap) *.
15672 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15673 ssa_prop_fini): Adjust the uses of cfg_blocks.
15675 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15677 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15679 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15680 hashing trees instead of a pointer hash.
15681 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15682 compare for MEM_EXPR.
15684 PR rtl-optimization/25130
15685 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15686 when comparing MEMs for GCSE
15688 2006-01-03 Ben Elliston <bje@au.ibm.com>
15690 * targhooks.h (default_decimal_float_supported_p): Declare.
15691 * targhooks.c (default_decimal_float_supported_p): Define.
15692 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15693 `default_decimal_float_supported_p'.
15694 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15696 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15698 * combine.c (apply_distributive_law <SUBREG>): Check
15699 TRULY_NOOP_TRUNCATION.
15701 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15703 * dwarf2out.c (have_switched_text_section): Delete.
15704 (have_multiple_function_sections): New.
15705 (have_location_lists): Make 'bool'.
15706 (add_AT_loc_list): Use 'true' not '1'.
15707 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15708 (output_loc_list): Use have_multiple_function_sections.
15709 (output_ranges): Likewise.
15710 (dwarf2out_begin_function): Set have_multiple_function_sections if
15712 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15713 Check function_section rather than DECL_SECTION_NAME.
15714 (dwarf2out_finish): Use have_multiple_function_sections.
15715 Don't clear have_location_lists.
15717 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15718 Jan Hubicka <jh@suse.cz>
15720 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15721 case of conditional jump jumping to the next instruction.
15722 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15723 cases of conditional jump jumping to the next instruction.
15725 2006-01-02 Jan Hubicka <jh@suse.cz>
15727 * i386.c (*_cost): Add COSTS_N_INSNS.
15728 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15730 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15733 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15735 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15737 * config/arm/arm.c (all_fpus): Fix comment typo.
15738 * config/darwin.c: Likewise.
15739 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15740 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15741 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15743 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15745 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15746 (rs6000_split_compare_and_swapqhi): New.
15747 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15748 (sync_compare_and_swapqhi_internal): New.
15749 * config/rs6000/rs6000-protos.h: Declare.