1 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6 2006-06-29 Jason Merrill <jason@redhat.com>
13 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
14 * c-common.c (c_determine_visibility): Handle it here.
15 * c-decl.c (finish_decl): Call c_determine_visibility for
17 * flags.h (enum symbol_visibility): Sort from most to least visibility.
19 * varasm.c (default_assemble_visibility): Likewise.
20 * c-common.c (handle_visibility_attribute): Complain about trying
21 to give visibility to an already defined class, or trying to change
22 declared visibility. Always attach the attribute.
27 * attribs.c (decl_attributes): Ignore type-in-place attributes
28 once the type has been defined.
30 2006-06-29 Roger Sayle <roger@eyesopen.com>
33 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
34 to indicate the cpplib has issued an error message for us.
36 2006-06-29 Asher Langton <langton2@llnl.gov>
39 * config/i386/i386.c (ix86_output_function_epilogue): Don't
40 insert a label at the end of an function under Mach-O.
42 2006-06-29 Eric Christopher <echristo@apple.com>
43 Evan Cheng <evan.cheng@apple.com>
45 * predicates.md (vector_all_ones_operand): New.
46 (nonimmediate_or_sse_const_operand): Ditto.
47 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
48 * config/i386/i386.c (standard_sse_constant_opcode): Define.
49 (standard_sse_mode_p): Ditto.
50 (standard_sse_constant_p): Add case for -1 vector.
51 (ix86_expand_vector_move): Try to use.
52 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
53 Call standard_sse_constant_opcode.
54 (*movv4sf_internal): Ditto.
55 (*movv2df_internal): Ditto.
57 2006-06-29 Roger Sayle <roger@eyesopen.com>
59 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
60 of XEXP to extract the operands of a MATCH_CODE rtx.
62 2006-06-28 Andrew Pinski <pinskia@gmail.com>
64 * tree.c (tree_size): Do not waste tail padding in
65 struct tree_string and make the size be the same as
66 build_string will generate.
68 2006-06-28 Jason Merrill <jason@redhat.com>
71 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
72 may_aliases already in the tag's annotations to the bitmap.
74 2006-06-28 Roger Sayle <roger@eyesopen.com>
76 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
78 2006-06-28 Roger Sayle <roger@eyesopen.com>
80 * genpreds.c (generate_switch_p): New function.
81 (add_mode_tests): Push the new mode test down inside an AND expr
82 if this allows the switch-suitable MATCH_CODE to be near the root.
83 (write_match_code_switch): New function to write a MATCH_CODE as
85 (write_predicate_stmts): New function to write a predicate RTX
86 expression as a sequence of statements.
87 (write_one_predicate_function): Use write_predicate_stmts.
88 (write_tm_constrs_h): Likewise.
90 2006-06-26 Fred Fish <fnf@specifix.com>
92 * config/mips/t-sb1: New file.
93 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
96 2006-06-26 DJ Delorie <dj@redhat.com>
98 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
100 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
101 Jayant Sonar <jayants@kpitcummins.com>
102 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
104 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
105 (subsi3, subsi3_1, subsi3_2): New.
106 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
107 * config/m32c/mov.md (SI mov peephole): New.
108 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
109 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
111 2006-06-26 Olivier Hainque <hainque@adacore.com>
113 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
114 a CALL_EXPR target function declaration.
116 2006-06-26 Richard Guenther <rguenther@suse.de>
118 * tree.c (build_string): Do not waste tail padding in
121 2006-06-26 Richard Guenther <rguenther@suse.de>
123 * ggc-page.c (init_ggc): Add missing element to size_lookup
127 2006-06-23 Richard Guenther <rguenther@suse.de>
129 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
130 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
131 alignment requests instead. Add verification code.
132 Add struct tree_function_decl and struct tree_binfo size to
133 extra_order_size_table. Add missing element to size_lookup
136 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
139 * fold-const.c (const_binop): Be prepared for self returning zero.
140 Simplify code handling complex values.
142 2006-06-24 Olivier Hainque <hainque@adacore.com>
144 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
145 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
148 2006-06-24 Olivier Hainque <hainque@adacore.com>
150 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
151 ARRAY_REF, so have the callback called for the low bound expression.
153 2006-06-23 Janis Johnson <janis187@us.ibm.com>
155 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
156 * c-typeck.c (c_common_type): Disallow operations on decimal float
157 types and other float types.
158 * convert.c (convert_to_real): Don't ignore conversions involving
161 2006-06-23 Olivier Hainque <hainque@adacore.com>
163 * tree.c (max_int_size_in_bytes): New function, inspired from
164 code in function.c:assign_temp.
165 * tree.h (max_int_size_in_bytes): Declare.
166 * function.c (assign_temp): Use it.
167 * gimplify.c (create_tmp_var): Relax the assertions on the type
168 properties, not mandating constant size any more.
169 (force_constant_size): New static function.
170 (gimple_add_tmp_var): Use it, forcing variable size to a
171 constant upper bound if it is not constant on entry.
173 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
176 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
177 for initialization and setting of one_only flag to ...
178 (i386_pe_encode_section_info): ...here.
179 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
180 Recheck that the symbol has not been defined.
182 2006-06-23 Richard Guenther <rguenther@suse.de>
184 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
185 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
186 alignment requests instead. Add verification code.
187 Add struct tree_function_decl and struct tree_binfo size to
188 extra_order_size_table. Add missing element to size_lookup
191 2006-06-22 Roger Sayle <roger@eyesopen.com>
192 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
195 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
196 call to lang_hooks.types.type_for_mode returned NULL_TREE.
198 2006-06-23 Ben Elliston <bje@au.ibm.com>
200 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
201 negate dn -- manipulate it directly.
203 2006-06-22 Roger Sayle <roger@eyesopen.com>
204 Steven Bosscher <stevenb.gcc@gmail.com>
207 * reload1.c (gen_reload): Call mark_jump_label on the new insns
208 generated by gen_move_insn to add REG_LABEL notes if necessary.
210 2006-06-22 Bob Wilson <bob.wilson@acm.org>
212 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
213 (leaf_entry): Remove use of MIN_ESA.
215 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
217 PR rtl-optimization/28121
218 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
221 2006-06-21 DJ Delorie <dj@redhat.com>
223 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
225 (mulhisi3_r): Likewise.
227 2006-06-21 Richard Sandiford <richard@codesourcery.com>
230 * coverage.c (coverage_counter_alloc): Leave the index type
232 (coverage_counter_alloc): Use null arguments for operands 2 and 3
235 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
237 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
238 section from the "Options for Code Generation Conventions".
240 2006-06-21 Richard Henderson <rth@redhat.com>
244 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
246 (global_symbolic_operand): Allow weak symbols, even if local_p.
248 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
250 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
251 (find_interesting_uses_address): Punt if above function returns true.
253 2006-06-21 Richard Guenther <rguenther@suse.de>
255 * configure: Regenerated.
257 2006-06-21 Joseph Myers <joseph@codesourcery.com>
259 * config/mips/mips.c (function_arg): Where one part of a
260 complex argument is in registers and the other part in the stack,
261 return a REG not a PARALLEL.
263 2006-06-21 Mark Mitchell <mark@codesourcery.com>
265 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
266 when cross-compiling. Do not substitute libstdcxx_incdir.
267 * configure: Regenerated.
269 2006-06-21 Jakub Jelinek <jakub@redhat.com>
271 * varasm.c (mergeable_string_section): Check for embedded NULs and
272 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
273 rather than TREE_STRING_LENGTH bytes.
275 2006-06-21 Richard Guenther <rguenther@suse.de>
277 * ggc-page.c (extra_order_size_table): Add var_ann_d,
278 tree_ssa_name, bitmap_element and phi_node with 4 arguments
281 2006-06-21 Richrad Guenther <rguenther@suse.de>
283 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
284 Limit iteration over the dominators.
286 2006-06-20 Roger Sayle <roger@eyesopen.com>
288 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
289 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
291 2006-06-20 Richard Guenther <rguenther@suse.de>
292 Michael Matz <matz@suse.de>
294 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
296 * alloc-pool.c (free_alloc_pool_if_empty): New function.
297 * et-forest.h (et_free_pools): Prototype new function.
298 * et-forest.c (et_free_tree_force): Free parent occurrence.
299 (et_free_pools): New function.
300 * dominance.c (free_dominance_info): Free et-forest alloc
303 2006-06-20 Roger Sayle <roger@eyesopen.com>
305 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
306 integer modes, attempt to directly construct an integer constant.
308 * fold-const.c (native_encode_vector): Determine the size of each
309 element from the vector type instead of the first vector element.
311 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
312 if all of its elements/components are constant.
313 (build_constructor_from_list): Likewise.
315 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
317 PR tree-optimization/27331
318 * tree-data-ref.c (free_data_ref): New function.
319 (create_data_ref): Fail if the data reference has unknown access
321 (free_data_refs): Use free_data_ref.
323 2006-06-19 Andrew Pinski <pinskia@gmail.com>
326 * tree-inline.c (setup_one_parameter): Strip useless
327 type conversion before adding it to the IR.
328 (declare_return_variable): Likewise.
330 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
333 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
335 2006-06-19 Mike Stump <mrs@apple.com>
337 * tree.c (variably_modified_type_p): VM arguments don't make the
340 2006-06-19 Richard Guenther <rguenther@suse.de>
342 * tree-ssa-pre.c (try_combine_conversion): Strip useless
343 type conversions after folding.
345 2006-06-19 Richard Guenther <rguenther@suse.de>
347 * ggc-page.c (extra_order_size_tab): Add entries with
348 size of struct function and basic_block.
349 (size_lookup): Extend to cover sizes up to 511.
350 (ggc_alloc_stat): Adjust user.
351 (ggc_pch_count_object): Likewise.
352 (ggc_pch_alloc_object): Likewise.
353 (ggc_pch_write_object): Likewise.
355 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
357 * tree-ssa-loop-niter.c (implies_ge_p): New function.
358 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
361 2006-06-19 Denis Chertykov <denisc@overta.ru>
363 * config/avr/libgcc.S : Correct my wrong previous commit.
365 2006-06-19 Roger Sayle <roger@eyesopen.com>
368 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
369 have stripped a SUBREG from the shift count, so we may need to
370 convert_to_mode back to the type's mode before calling make_tree.
371 Use new_amount instead of amount to avoid expanding a tree twice.
373 2006-06-19 Richard Guenther <rguenther@suse.de>
376 * fold-const.c (operand_equal_p): Check if the argument types
377 have the same precision before stripping NOPs.
379 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
381 Fix PR tree-optimization/27341
382 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
384 * tree-complex.c (pass_lower_complex): Update SMT usage.
386 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
388 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
389 Add a new alternative to the constraint strings. Add move of
390 operand 1 to 3 to the splitter definition.
391 ("doloop_si_long"): Second contraint alternative removed.
393 2006-06-08 Anatoly Sokolov <aesok@post.ru>
395 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
396 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
398 (AVR_HAVE_MOVW) Define.
399 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
400 (ASM_SPEC): Add avr25.
401 (LINK_SPEC): Add avr25.
402 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
403 (base_arch_s): Add new member 'have_movw_lpmx'.
404 (avr_arch_types): Init 'have_movw_lpmx'.
405 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
406 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
407 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
408 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
409 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
411 (avr_file_start): Do not output '.arh' derective.
412 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
413 (__do_copy_data): Use __AVR_HAVE_LPMX__.
414 * config/avr/avr.md (mcu_enhanced): Delete.
415 (mcu_have_movw): Define.
416 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
417 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
418 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
419 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
420 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
421 attiny861 and at86rf401 devices.
423 2006-06-18 Jie Zhang <jie.zhang@analog.com>
425 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
428 2006-06-17 Karl Berry <karl@gnu.org>
430 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
431 doc/gccint.texi, doc/install.texi (@dircategory): Use
432 "Software development" instead of "Programming", following
433 the Free Software Directory.
435 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
437 * config/i386/i386.c (legitimate_tls_address)
438 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
439 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
440 (*tls_dynamic_gnu2_combine_64): Likewise.
442 2006-06-16 Richard Guenther <rguenther@suse.de>
445 * fold-const.c (negate_expr_p): Do not introduce undefined
446 overflow in negating INTEGER_CSTs.
447 (fold_negate_expr): Rename from negate_expr. Revert last
448 change for folding BIT_NOT_EXPR. Change semantics to
449 return NULL_TREE for non-simplified negations. Do not
450 strip type conversions and unify type handling.
451 (negate_expr): New function, wrap around fold_negate_expr
452 but ensure building a tree always. Strip type conversions
453 here, fold to result type.
454 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
456 2006-06-16 Roger Sayle <roger@eyesopen.com>
459 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
460 that (would) return their results in stack registers.
462 2006-06-16 Michael Matz <matz@suse.de>
463 Richard Guenther <rguenther@suse.de>
465 * fold-const.c (fold_truthop): Only return new tree node if
466 we canonicalized something.
468 2006-06-16 Richard Guenther <rguenther@suse.de>
470 * function.h (enum function_frequency): Move declaration
471 out of struct function.
472 (struct function): Move bool fields and the enum to the bitfield
473 section. Reorder elements to avoid padding. Remove unused
474 fields left over from the RTL inliner removal.
475 * function.c (free_after_compilation): Do not zero removed fields.
476 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
477 (ipa-type-escape.o): Likewise.
479 2006-06-16 Richard Guenther <rguenther@suse.de>
481 * cgraph.h (struct cgraph_local_info): Turn bool elements
483 (struct cgraph_node): Likewise.
484 (struct cgraph_varpool_node): Likewise.
486 2006-06-15 Richard Guenther <rguenther@suse.de>
488 * fold-const.c (fold_truth_not_expr): Rename from
489 invert_truthvalue. Give it fold_* semantics to avoid
491 (invert_truthvalue): New function. Wrapper around
493 (optimize_minmax_comparison): Avoid creating garbage.
494 (fold_unary): Use fold_truth_not_expr for folding
496 (fold_ternary): Replace uses of invert_truthvalue with
497 fold_truth_not_expr where applicable.
498 * tree.h (fold_truth_not_expr): Prototype.
500 2006-06-16 Richard Guenther <rguenther@suse.de>
502 PR tree-optimization/27781
503 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
504 * ipa-pure-const.c (target.h): Include.
505 (analyze_function): Do not analyze functions that do not
508 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
511 * tree-dfa.c (referenced_vars_dup_list): Remove.
512 (find_referenced_vars): Remove assert.
513 (referenced_var_check_and_insert): Replace dup list with assert.
514 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
515 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
517 2006-06-15 Richard Guenther <rguenther@suse.de>
519 * tree-ssa-structalias.c (alias_get_name): Avoid creating
520 extra unused identifiers if not dumping.
521 (create_variable_info_for): Likewise.
523 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
525 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
526 (derive_constant_upper_bound): Derive more precise upper bound in
527 common cases. Return type changed to double_int.
528 (record_estimate): Reflect the changed return type of
529 derive_constant_upper_bound.
530 * double-int.c (double_int_zext, double_int_sext): Fix.
532 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
534 * configure.ac (CFLAGS): Get them from the toplevel or from the
535 configure invocation.
536 * configure: Regenerate.
537 * Makefile.in (CFLAGS): Substitute value provided by configure.
539 2006-06-14 Mark Mitchell <mark@codesourcery.com>
542 * c-common.h (c_finish_omp_atomic): Adjust declaration.
543 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
544 rather than calling add_stmt on it.
545 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
547 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
550 * reload1.c (reload): Remove registers returned by update_eliminables
551 from used_spill_regs.
553 2006-06-13 DJ Delorie <dj@redhat.com>
555 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
557 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
559 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
560 html__strip_dir, html__mkdir_p. Enhance install-html target.
561 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
562 * configure: Regenerate.
564 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
566 * fold-const.c (fold_cond_expr_with_comparison): Check for
567 Objective-C++ as language in deciding COND_EXPR transformation.
569 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
572 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
573 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
574 * config/sh/lib1funcs.h (SL, SL1): Define.
575 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
576 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
577 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
578 (OBJS_Os_4_200): New variable.
579 ($(T)libgcc-Os-4-200.a): Use it.
580 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
581 when dividing 1 and/or by 0.
583 2006-06-13 Roger Sayle <roger@eyesopen.com>
585 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
586 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
587 * configure: Regenerate.
589 2006-06-13 Jie Zhang <jie.zhang@analog.com>
591 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
592 for real instruction.
594 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
597 * haifa-sched.c (check_cfg): Handle special case.
599 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
602 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
603 Add debug_info parameter. Chain the vars to the BLOCK instead
604 of the BIND_EXPR if debug info are requested for them.
605 (pop_gimplify_context): Adjust for above change.
606 (gimple_add_tmp_var): Likewise.
607 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
609 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
610 (convert_local_reference): Likewise.
611 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
612 (finalize_nesting_tree_1): Request that debug info be emitted
615 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
617 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
620 2006-06-13 Richard Guenther <rguenther@suse.de>
623 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
625 2006-06-13 Richard Guenther <rguenther@suse.de>
627 PR tree-optimization/27830
628 * tree-inline.c (copy_body_r): For copying the operand
629 of an ADDR_EXPR make sure to fold &* afterwards.
631 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
633 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
634 lvalues in the fb_none case with side-effects.
636 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
638 * tree-flow.h: Remove the prototype for
639 compute_phi_arg_on_exit.
640 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
641 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
644 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
646 * builtins.c (expand_builtin_return_addr): Only use
647 frame_pointer_rtx when count == 0 and we are expanding
648 __builtin_return_address.
650 2006-06-12 Fred Fish <fnf@specifix.com>
652 * config/mips/mips.c (mips_file_start): Create special section
653 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
655 2006-06-11 Eric Christopher <echristo@apple.com>
658 * stor-layout.c (place_field): Remove check for
659 remaining_in_alignment when aligning at the end of a run.
661 2006-06-11 Eric Christopher <echristo@apple.com>
664 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
667 2006-06-11 Roger Sayle <roger@eyesopen.com>
670 Revert incorrect fix for PR target/27158
671 2006-05-08 Roger Sayle <roger@eyesopen.com>
672 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
673 of a reg_equiv_constant if the result is a legitimate constant.
675 2006-06-11 Roger Sayle <roger@eyesopen.com>
678 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
679 extract a CONST_VECTOR element and interpret it as an integer.
680 (vspltis_constant): Use const_vector_elt_as_int instead of the
681 macro CONST_VECTOR_ELT in order to handle FP vector modes.
682 * config/rs6000/predicates.md (easy_vector_const): Consider
683 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
685 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
688 * stor-layout.c (update_alignment_for_field): Don't add extra
689 alignment for packed non-bitfield fields in ms_bitfield_layout_p
692 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
694 * config/mips/t-rtems: Add EL/EB multilib variants.
696 2006-06-09 Mike Stump <mrs@apple.com>
698 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
700 2006-06-09 David Daney <ddaney@avtrex.com>
702 * doc/install.texi: Add binutils version recommendation for mips-*-*.
704 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
706 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
708 2006-06-09 Richard Guenther <rguenther@suse.de>
710 PR tree-optimization/26998
711 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
712 of signed types, only TYPE_MIN_VALUE is special, but for both,
713 minimum and maximum value. Likewise VR_ANTI_RANGE is special
714 in this case, as is -fwrapv.
716 2006-06-08 Mike Stump <mrs@apple.com>
719 * config/darwin.c (darwin_asm_output_anchor): Disable
720 -fsection-anchors on darwin for now.
721 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
722 * rs6000/rs6000.c (optimization_options): Likewise.
724 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
727 * config/i386/i386.c (classify_argument): Skip fields with invalid
730 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
732 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
733 (cse_insn): Likewise for the stack_pointer_rtx.
735 2006-06-08 Roger Sayle <roger@eyesopen.com>
737 * tree-ssa-dom.c (record_conditions): Only record "unordered"
738 conditions from floating point comparisons.
740 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
743 * expmed.c (struct alg_hash_entry): Fix type of field T
744 to match synth_mult argument.
745 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
747 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
750 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
753 2006-06-08 Richard Guenther <rguenther@suse.de>
756 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
757 only, if overflow is defined and not trapping.
758 (negate_expr): Likewise.
760 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
762 PR tree-optimization/27872
763 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
764 flag on the new exit edge of the unrolled loop.
766 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
768 PR rtl-optimization/26449
769 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
771 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
774 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
775 referenced_variables with matching DECL_UID's.
776 (find_referenced_vars): Make sure duplicate list is empty to start.
777 (referenced_var_p): Remove.
778 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
779 Check if var is in the list, and add if needed. Update the duplicate
780 list if a different var is in the list with the same DECL_UID.
781 (add_referenced_var): Call routine to check and insert.
782 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
783 * tree-flow.h (referenced_vars_dup_list): External declaration.
785 2006-06-07 Fred Fish <fnf@specifix.com>
787 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
790 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
793 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
794 the imaginary and real parts of a clobbered register.
795 Emit insn to set the imaginary part.
797 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
799 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
800 in lieu of unwind-dw2-fde.c.
802 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
804 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
806 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
809 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
810 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
811 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
812 V4SImode temporaries and operations instead.
814 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
816 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
819 2006-06-06 Mike Stump <mrs@apple.com>
821 * Makefile.in: Rename to htmldir to build_htmldir to avoid
822 installing during build.
824 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
826 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
828 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
829 * config/ia64/ia64.c (params.h): New header.
830 (ia64_optimization_options): New function to adjust parameters.
831 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
832 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
833 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
835 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
837 * stor-layout.c (debug_rli): Fix a typo in a debug message.
839 2006-06-05 Steve Ellcey <sje@cup.hp.com>
842 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
844 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
845 Victor Kaplansky <victork@il.ibm.com>
847 PR tree-optimization/26360
848 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
851 2006-06-04 Roger Sayle <roger@eyesopen.com>
852 Andrew Pinski <pinskia@physics.uc.edu>
855 * c-common.c (c_common_truthvalue_conversion): Explicitly check
856 for LABEL_DECL before calling DECL_WEAK.
859 * c-typeck.c (build_binary_op): Likewise, explicitly check for
860 LABEL_DECL and PARM_DECL.
862 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
866 * c-decl.c (grokdeclarator): Disallow variably modified types at
867 file scope. Avoid marking shared array type of constant size as
870 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
873 * c-common.c (fold_offsetof_1): Handle static members.
875 2006-06-04 Eric Christopher <echristo@apple.com>
877 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
878 (debug_rli): Output value for remaining_in_alignment.
879 (update_alignment_for_field): Unconditionalize
880 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
881 extra alignment code.
882 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
883 ms_bitfield_layout_p code. Rewrite handling of structure fields.
884 * tree.h (record_layout_info_s): Remove prev_packed.
885 * doc/extend.texi (ms_struct): Add documentation of format.
887 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
889 * tree.h: Declare folding_initializer.
890 * builtins.c (fold_builtin_constant_p): Give definite answer
891 if folding inside an initializer.
892 * fold-const.c: Define folding_initializer.
893 (START_FOLD_INIT): Save and then set folding_initializer.
894 (END_FOLD_INIT): Restore folding_initializer.
896 2006-06-04 Richard Guenther <rguenther@suse.de>
898 PR tree-optimization/27039
899 * fold-const.c (fold_comparison): Handle pointer comparison
900 again for all comparison codes. Compare offsets in signed
902 (fold_binary): Move code from here.
904 2006-06-03 Roger Sayle <roger@eyesopen.com>
907 * config/i386/i386.c (construct_container): Split static issued_error
908 flag into issued_sse_arg_error, issued_sse_ret_error and
909 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
910 requires the use of x87 registers and the user explicitly
911 specified the -mno-80387 command line option.
913 2006-06-02 Geoffrey Keating <geoffk@apple.com>
915 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
916 HAVE_DECL_SIGALTSTACK.
918 (segv_handler): Use MC_FLD.
919 * configure.ac: Check for a sigaltstack declaration.
920 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
921 * configure: Regenerate.
922 * config.in: Regenerate.
924 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
927 * Makefile.in (stmp-fixinc): Fix typo.
929 2006-06-02 Roger Sayle <roger@eyesopen.com>
931 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
932 are type correct. Clean-up.
933 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
934 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
936 2006-06-01 DJ Delorie <dj@redhat.com>
938 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
939 shift, as we've disabled the "switch" insn that needs it.
941 2006-06-01 Per Bothner <bothner@bothner.com>
943 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
944 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
945 * c-ppoutput.c (cb_define): Don't increment line 0.
947 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
949 * doc/invoke.texi: Add cpu_type power6.
950 * config.gcc: Add cpu_type power6.
951 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
952 to power5+ with Altivec.
953 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
954 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
956 2006-05-30 Anatoly Sokolov <aesok@post.ru>
958 * config/avr/avr.h (SET_ASM_OP): Define.
960 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
962 * config/bfin/bfin.c: Fix comment typos.
964 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
967 * doc/install.texi: Document --enable-bootstrap and
970 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
972 * doc/install.texi: Document that InfoZIP can replace jar.
974 2006-05-31 Roger Sayle <roger@eyesopen.com>
976 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
977 isn't available, directly generate the simpler x87 patterns without
978 the (use (const_int 0)).
979 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
980 implementation isn't available.
981 (*negdf2_1): Likewise.
982 (*negxf2_1): XF mode negation is always done using the x87.
983 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
985 2006-05-31 Roger Sayle <roger@eyesopen.com>
987 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
988 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
990 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
992 2006-05-31 Jie Zhang <jie.zhang@analog.com>
994 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
995 * config/bfin/bfin.c (basic-block.h): Include.
996 (struct machine_function): New.
997 (bfin_init_machine_status): New.
998 (override_options): Initialize init_machine_status.
999 (bfin_hardware_loop): New.
1000 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1001 (DEF_VEC_P (loop_info)): New.
1002 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1003 (struct loop_info): New.
1004 (loop_info): New typedef.
1005 (struct loop_work): New.
1006 (loop_work): New typedef.
1007 (DEF_VEC_O (loop_work)): New.
1008 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1009 (bfin_dump_loops): New.
1010 (bfin_bb_in_loop): New.
1011 (bfin_scan_loop): New.
1012 (bfin_optimize_loop): New.
1013 (bfin_reorg_loops): New.
1014 (bfin_reorg): Use bfin_reorg_loops.
1015 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1017 (I_REGNO_P): Simplify.
1018 (DP_REGNO_P, DPREG_P): New macros.
1019 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1020 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1021 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1022 Add LT_REGS, LC_REGS, LB_REGS.
1023 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1025 (REGNO_REG_CLASS): Deal with loop registers.
1026 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1028 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1029 New constants for loop registers.
1030 (UNSPEC_LSETUP_END): New.
1031 (seq_insns): New define_attr. Set it for appropriate insns.
1032 (movsi_insn): Add alternatives for move from/to
1033 loop count registers.
1034 (doloop_end): New define_expand.
1035 (loop_end): New define_insn.
1036 (define_split for bad doloop_end): New.
1037 (lsetup_with_autoinit): New define_insn.
1038 (lsetup_without_autoinit): New define_insn.
1039 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1040 * config/bfin/predicates.md (lc_register_operand): New.
1041 (lt_register_operand): New.
1042 (lb_register_operand): New.
1043 (nondp_register_operand): New.
1044 (nondp_reg_or_memory_operand): New.
1045 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1047 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1049 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1050 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1052 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1054 * Makefile.in (CATALOGS): Add po/ prefix.
1055 * configure: Regenerated.
1057 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1060 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1061 a shift operand before calling shift_op. Avoid redundant call of
1064 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1065 DJ Delorie <dj@redhat.com>
1067 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1068 we're inserting is a singlt-bit constant.
1070 2006-05-30 Roger Sayle <roger@eyesopen.com>
1072 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1073 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1075 2006-05-30 Roger Sayle <roger@eyesopen.com>
1077 PR tree-optimization/23452
1078 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1079 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1080 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1081 complex values and with -ffast-math for FP complex values.
1083 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1085 * c-common.h: Remove the prototype for yyparse.
1086 * rtl.h: Remove the prototype for init_loop.
1088 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1090 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1093 2006-05-30 Roger Sayle <roger@eyesopen.com>
1095 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1097 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1098 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1100 2006-05-30 Dirk Mueller <dmueller@suse.de>
1103 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1104 for CONSTANT_CLASS_P expresisons.
1106 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1109 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1111 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1113 PR tree-optimization/27779
1114 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1115 initial_condition instead of CHREC_LEFT.
1117 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1119 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1120 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1121 Make prototypes ISO C90.
1123 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1124 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1126 * see.c (see_analyze_one_def): Correct check.
1127 (see_get_extension_data): Check if extension is parallel.
1128 (see_get_extension_reg): Likewise.
1130 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1133 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1134 into register for (code == GTU).
1136 2006-05-29 Roger Sayle <roger@eyesopen.com>
1138 PR tree-optimization/24964
1139 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1140 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1141 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1142 abs(x)*abs(x) as x*x for scalar floating point modes.
1144 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1147 * lambda-code.c (perfect_nestify): Don't copy statements
1148 in the inner loop: move them to the inner loop header.
1150 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1153 * c-tree.texi: Document OpenMP directives and clauses.
1155 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1157 * varasm.c (globalize_decl): Fix indentation.
1159 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1162 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1163 pass_fre, pass_store_ccp, pass_copy_prop,
1164 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1165 pass_return_slot, pass_object_size, pass_lim,
1166 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1167 pass_loop_prefetch and pass_stdarg.
1169 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1171 * config/bfin/bfin.opt (mfdpic): New option.
1172 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1173 (EXTRA_MULTILIB_PARTS): Likewise.
1174 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1175 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1177 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1178 (CRT_CALL_STATIC_FUNCTION): New.
1179 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1181 (CRT_CALL_STATIC_FUNCTION): New.
1182 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1184 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1185 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1186 (initialize_trampoline): Changed to handle FD-PIC code generation.
1187 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1188 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1189 (override_options): Disallow -mid-shared-library -mfdpic combination.
1190 Can't do unaligned ops if FD-PIC.
1191 Turn off flag_pic if trying to generate non-id-shared-library
1192 non-fdpic code, since it's not supported.
1193 (bfin_assemble_integer): New function.
1194 (TARGET_ASM_INTEGER): Define.
1195 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1197 * config/bfin/crtn.s: Restore them.
1198 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1200 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1201 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1202 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1203 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1204 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1206 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1207 FDPIC_REGS and FDPIC_FPTR_REGS.
1208 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1209 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1210 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1211 (load_funcdescsi): New pattern.
1212 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1213 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1214 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1216 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1218 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1221 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1223 * tree-flow.h: Remove the prototype for add_type_alias.
1224 * tree-ssa-alias.c (add_type_alias): Remove.
1226 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1228 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1229 config/fr30/fr30.md, config/i386/i386-interix.h,
1230 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1231 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1232 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1233 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1234 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1235 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1236 Follow spelling conventions.
1237 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1238 Follow spelling conventions.
1240 2006-05-27 Richard Guenther <rguenther@suse.de>
1243 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1244 to produce a constant of value 1 of generic type.
1246 2006-05-27 Dirk Mueller <dmueller@suse.de>
1248 * cgraphunit.c (decide_is_function_needed): Fix wrong
1251 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1253 PR rtl-optimization/27661
1254 * reload.c (find_reloads): When reloading a VOIDmode constant
1255 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1256 use Pmode as mode of the reload register.
1258 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1260 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1261 is enabled at -O and above.
1263 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1266 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1269 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1272 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1273 for anonymous variables explicitly declared by front ends.
1275 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1277 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1278 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1279 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1280 ref-all pointers, run a finalization pass for them.
1281 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1282 (finalize_ref_all_pointers): New function.
1283 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1284 regular pointer type to a ref-all pointer type.
1285 (get_tmt_for): Return the special memory tag for ref-all pointers.
1287 2006-05-25 Richard Guenther <rguenther@suse.de>
1290 * fold-const.c (fold_binary): Do not look at the stripped
1291 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1293 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1295 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1296 for LT and GT if the computed range is effectively empty.
1298 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1301 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1302 mips_quad_format formats instead of ieee_single_format,
1303 ieee_double_format and ieee_quad_format formats, respectively.
1305 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1307 PR tree-optimization/27639
1308 PR tree-optimization/26719
1309 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1310 call to scev_probably_wraps_p.
1311 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1312 used_in_pointer_arithmetic_p, convert_step): Removed.
1313 (nowrap_type_p): New function.
1314 (scev_probably_wraps_p): Rewritten.
1315 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1316 chrec_convert if chrec_convert_aggressive might have been used.
1317 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1318 scev_direction): New functions.
1319 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1320 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1321 instead of convert_step.
1322 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1323 (convert_step): Declaration removed.
1324 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1326 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1328 * df-core.c: Added to header comments.
1329 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1330 df_ur_bb_info, df_urec_bb_info): Added comments.
1331 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1332 urec, ri problems): Fixed header comments.
1333 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1334 code from df_rd_transfer_function.
1336 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1338 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1339 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1340 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1342 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1344 * expr.c (undefined_operand_subword_p): New.
1345 (emit_move_multi_word): Do not generate move from undefined bits
1346 of a paradoxical subreg.
1348 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1350 PR rtl-optimization/27736
1351 * combine.c (replaced_rhs_value): New variable.
1352 (combine_instructions): Set it.
1353 (distribute_notes): When distributing a note in replaced_rhs_insn,
1354 check whether the value was used in replaced_rhs_value.
1356 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1359 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1360 add_referenced_var instead of add_referenced_tmp_var.
1361 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1362 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1364 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1365 tree_optimize_tail_calls_1): Use add_referenced_var.
1366 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1367 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1368 Use add_referenced_var.
1369 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1370 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1371 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1372 Use add_referenced_var.
1373 * tree-dfa.c (struct walk_state): Remove.
1374 (find_referenced_vars): Remove walk state and vars_found hash table.
1375 (make_rename_temp): Use add_referenced_var.
1376 (find_vars_r): Pass less parameters to add_referenced_var.
1377 (referenced_var_p): New. Is var in referenced_var hash table.
1378 (referenced_var_insert): Assert var isn't already in hash table.
1379 (add_referenced_var): Don't need walk_state parameter. Add var if it
1380 isn't already in the hash table.
1381 (add_referenced_tmp_var): Remove.
1382 (find_new_referenced_vars_1): Use add_referenced_var.
1383 * tree-ssa-pre.c (create_expression_by_pieces,
1384 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1385 Use add_referenced_var.
1386 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1387 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1388 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1390 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1391 vect_create_data_ref_ptr, vect_create_destination_var,
1392 vect_init_vector, vect_build_loop_niters,
1393 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1394 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1395 Use add_referenced_var.
1396 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1397 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1398 (add_referenced_var): Add prototype.
1399 * tree-ssa-structalias.c (get_constraint_for,
1400 intra_create_variable_infos): Use add_referenced_var.
1402 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1404 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1405 big-endian paradoxical subregs.
1406 * var-tracking.c (struct micro_operation_def): Document that,
1407 for modify micro operations, insn is the subsequent instruction.
1408 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1409 (var_reg_set, var_mem_set): ... new functions.
1410 (add_stores): Record subsequent insn.
1411 (compute_bb_dataflow): Use new functions for MO_USE.
1412 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1413 notes after the insn, and modify notes before the insn known
1414 to be the subsequent one.
1415 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1417 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1420 * config/i386/i386.c (ix86_expand_builtin): Use
1421 gen_sse3_monitor64 for TARGET_64BIT.
1423 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1425 PR rtl-optimization/26375
1426 PR rtl-optimization/26855
1427 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1429 (df_ru_bb_local_compute): Reversed statements and removed bogus
1430 comment explaining why they should be in wrong order.
1431 (df_ru_dump, df_rd_dump): Enhanced debug info.
1432 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1434 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1435 reaching uses and fixed space problem.
1437 2006-05-23 Jan Hubicka <jh@suse.cz>
1439 * cgraphunit.c (decide_is_function_needed): Also nested functions
1440 and functions declared inline can be optimized out at -O0.
1442 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1444 * doc/install.texi (Configuration): Remove reference to CrossGCC
1448 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1451 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1452 ix86_compare_emitted is non-NULL.
1454 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1457 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1460 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1462 PR rtl-optimization/25514
1463 * combine.c (replaced_rhs_insn): New variable.
1464 (combine_instructions): Set replaced_rhs_insn when trying to replace
1465 a SET_SRC with a REG_EQUAL note.
1466 (distribute_notes): Use replaced_rhs_insn when determining the live
1467 range of a REG_DEAD register.
1469 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1470 Anatoly Sokolov <aesok@post.ru>
1472 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1473 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1474 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1475 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1476 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1477 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1478 at90usb647, at90usb1286 and at90usb1287 devices.
1479 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1480 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1482 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1484 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1486 2006-05-22 Richard Guenther <rguenther@suse.de>
1489 2006-01-31 Richard Guenther <rguenther@suse.de>
1490 Paolo Bonzini <bonzini@gnu.org>
1492 * doc/install.texi (--disable-libgcc-math): Document.
1494 2006-05-22 Richard Guenther <rguenther@suse.de>
1497 2006-01-31 Richard Guenther <rguenther@suse.de>
1499 * doc/invoke.texi (-msselibm): Document.
1500 * target.h (expand_library_builtin): New target hook.
1501 * builtins.c (expand_builtin): Use expand_library_builtin.
1502 (default_expand_library_builtin): New function.
1503 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1504 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1505 (link_gcc_math_spec): Declare.
1506 (static_specs): Add link_gcc_math_spec.
1507 * expr.h (default_expand_library_builtin): Declare.
1508 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1509 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1510 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1511 * config/i386/i386.opt (msselibm): New target option.
1512 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1513 (ix86_init_sse_abi_builtins): New function.
1514 (ix86_expand_library_builtin): Likewise.
1515 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1516 (override_options): Handle error conditions wrt -msselibm.
1517 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1518 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1519 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1522 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1525 * c-common.c (self_promoting_args_p): Skip erroneous args.
1528 * c-decl.c (finish_struct): Skip erroneous fields.
1530 2006-05-22 Nick Clifton <nickc@redhat.com>
1532 * config/cris/cris.opt (march): Remove VarExists attribute.
1533 (max-stackframe=): Likewise.
1535 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1537 * doc/rtl.texi: Fix a typo.
1538 * see.c: Fix comment typos.
1540 * tree-ssa-structalias.h (alias_info): Remove num_references.
1542 2006-05-21 Mike Stump <mrs@apple.com>
1544 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1546 (darwin_pragma_options): Use BAD instead.
1547 (darwin_pragma_unused): Likewise.
1548 (darwin_pragma_ms_struct): Likewise.
1550 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1552 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1554 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1556 PR rtl-optimization/27671
1557 * simplify-rtx.c (simplify_relational_operation_1): Fix
1558 simplifications of (eq/ne (xor x y) y) and
1559 (eq/ne (xor x y) x).
1561 PR tree-optimization/26622.
1562 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1565 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1567 * tree-cfg.c: Prune whitespace.
1568 (debug_tree_cfg): Point to correct header containing the
1571 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1574 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1576 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1579 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1580 or sorry count is non zero.
1582 2006-05-20 Andreas Schwab <schwab@suse.de>
1584 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1586 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1587 Kenneth Zadeck <zadeck@naturalbridge.com>
1589 PR rtl-optimization/26855
1591 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1593 (df_scan_alloc): Added code to properly handle multiword hard
1594 registers and add all_blocks parameter.
1595 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1596 code to properly handle multiword hard registers.
1597 (df_rescan_blocks): Added code to remove deleted blocks from
1599 (df_ref_create_structure, df_ref_record): Added code to properly
1601 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1602 and set DF_REF_PARTIAL.
1603 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1604 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1605 (df_scan_add_problem): Added flags parameter.
1606 (df_ref_create_structure): Changed switching structure.
1607 (df_bb_refs_record): Fixed case where duplicate artificial refs
1608 were created. Changed location of flags.
1609 (df_record_entry_block_defs): Added code to make stack pointer
1610 live in entry block. Refined cases where frame pointer is needed.
1611 Changed location of flags.
1612 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1613 (df_set_state): Removed function.
1614 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1615 df_insn_create_insn_record, df_insn_refs_delete,
1616 df_ref_create_structure): Formatting changes.
1617 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1618 df_delete_basic_block): New function.
1619 (df_init): Changed location of flags.
1620 (df_add_problem): Added flags parameter and the way flags are
1622 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1623 debug_df_chain): Improved debugging output.
1624 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1625 (df_refs_chain_dump): Removed df parameter.
1626 (df_iterative_dataflow): Added consistency check.
1627 (df_prune_to_subcfg): Made public.
1628 (df_analyze_problem): Added blocks_to_init parameter and made
1630 (df_ref_record, df_bb_refs_record, df_mark_reg,
1631 df_record_exit_block_uses): Whitespace changes.
1632 (df_dump): Whitespace changes.
1633 * df.h: Some reordering to remove forward references.
1634 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1635 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1636 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1637 (dataflow.flags): New field.
1638 (df.flag): Deleted field.
1639 (df_alloc_function): Added additional bitmap parameter.
1640 (df_dependent_problem_function): New type.
1641 (df_problem.changeable_flags): New field.
1642 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1643 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1644 (df_mw_hardreg): New struct.
1645 (DF_INSN_UID_MWS): New macro.
1646 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1648 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1649 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1650 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1651 (df_set_state): Removed function.
1652 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1653 * df-problems.c (df_chain_dump): Removed df parameter.
1654 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1655 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1657 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1658 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1659 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1660 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1661 DF_REF_MUST_CLOBBER cases.
1662 (df_ru_bb_local_compute_process_def,
1663 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1664 df_lr_bb_local_compute, df_ur_bb_local_compute,
1665 df_chain_create_bb): Made subreg aware.
1666 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1667 df_lr_bb_local_compute, df_lr_bb_local_compute,
1668 df_chain_create_bb): Cleanup to use proper macros.
1669 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1670 code to fixup bitvectors.
1671 (df_ri_alloc): Cleared lifetime.
1672 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1673 df_create_unused_note): New function.
1674 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1675 REG_DEAD and REG_UNUSED notes as well as register information.
1676 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1677 df_chains_dump): Fixed crash if problem was never run.
1678 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1679 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1680 df_ri_add_problem): Processes flags in uniform manner.
1681 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1682 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1683 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1684 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1685 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1686 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1687 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1688 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1689 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1690 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1691 * see.c (see_initialize_data): Ditto.
1692 * final.c (rest_of_clean_state) Added regstack_completed.
1693 * rtl.h (regstack_completed): Ditto.
1694 * reg-stack.c (regstack_completed): Ditto.
1696 2006-05-19 Mike Stump <mrs@apple.com>
1698 * c-tree.h (default_conversion): Remove.
1699 * c-common.h (default_conversion): Add.
1701 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1703 * tree-vrp.c (valid_value_p): New function.
1704 (adjust_range_with_scev): Fail if the value of bound is not
1707 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1709 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1710 (mips_fallback_frame_state): Use syscall numbers to determine
1711 the appropriate li instruction for the current ABI. Only use
1712 __NR_sigreturn for o32.
1714 2006-05-19 Nicolas Setton <setton@adacore.com>
1716 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1717 * langhooks.c (lhd_dwarf_name): New function.
1718 * langhooks-def.h (lhd_dwarf_name): Declare.
1719 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1720 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1721 * ada/misc.c (gnat_dwarf_name): New function.
1722 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1724 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1726 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1728 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1729 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1730 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1731 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1732 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1733 determine the size of Wtype, etc.
1734 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1735 (swfloatfuncs): New variable.
1736 (dwfloatfuncs): Likewise.
1737 (lib2funcs): Remove floating-point conversion functions from
1738 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1739 the set of conversion routines needed. Allow entries to specify
1740 an object name, filename and word size. Update users accordingly.
1741 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1742 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1746 2006-02-08 Roger Sayle <roger@eyesopen.com>
1749 * config/fixtfdi.c: New libgcc source file.
1750 * config/fixunstfdi.c: New source file.
1751 * config/floatditf.c: New source file.
1752 * config/floatunditf.c: New souce file.
1753 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1754 files above instead of config/mips/_tilib.c.
1755 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1757 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1759 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1760 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1762 2006-05-18 Mike Stump <mrs@apple.com>
1764 Fix up vla, vm and [*] sematics.
1770 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1771 (c_vla_unspec_p): Add.
1772 (c_vla_type_p): Add.
1773 * c-decl.c (struct c_scope): Add had_vla_unspec.
1774 (build_array_declarator): Add support for [*].
1775 (grokdeclarator): Likewise.
1776 (grokparms): Likewise.
1777 (get_parm_info): Likewise.
1778 * c-objc-common.c (c_vla_unspec_p): Likewise.
1779 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1780 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1781 typeof when argument is a variably modified type not inside sizeof or alignof.
1782 (c_parser_direct_declarator_inner): Propagate errors.
1783 (c_parser_sizeof_expression): Add support for [*].
1784 (c_parser_parms_declarator): Initialize had_vla_unspec.
1785 (c_parser_parms_list_declarator): Likewise.
1786 * c-typeck.c (c_vla_type_p): Add.
1787 (composite_type): Add support for vla compositing.
1788 (comptypes_internal): Add support for vla compatibility.
1789 (c_expr_sizeof_expr): Evaluate vla arguments.
1790 * tree.c (variably_modified_type_p): Update comment for [*].
1792 2006-05-18 Michael Matz <matz@suse.de>
1795 * config.host: Make assignments to host_xmake_file cumulative.
1796 * config.host (*-darwin*): Test $host, not $target.
1798 2006-05-12 Stuart Hastings <stuart@apple.com>
1800 * config/i386/i386.opt (-mstackrealign): New flag.
1801 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1802 (ix86_handle_cconv_attribute): Emit error when
1803 force_align_arg_pointer attribute collides with too many regparms.
1804 (ix86_function_regparm): Limit regparms when used with
1805 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1806 Support stack-realigning prologue in non-main functions. Emit
1807 warning for nested functions under -mstackrealign, emit error for
1808 nested functions with force_align_arg_pointer attribute.
1809 * doc/extend.texi (force_align_arg_pointer): Document it.
1810 * doc/invoke.texi (-mstackrealign): Document it.
1812 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1814 PR rtl-optimization/27477
1815 * combine.c (try_combine): Don't split a parallel consisting
1816 of two sets into two individual sets if both sets reference
1819 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1821 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1822 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1824 * doc/options.texi (VarExists): Updated.
1826 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1828 * unwind-dw2.c: Add declarations for uw_update_context and
1830 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1831 detected, advance frame state and context once to skip over stub.
1833 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1837 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1838 Call rewrite_into_loop_closed_ssa only when something changed.
1839 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1840 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1841 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1842 Test for perfect_nest_p here. Fix formating.
1843 (replace_uses_equiv_to_x_with_y): Fix formating.
1844 (stmt_uses_op): Removed.
1845 (can_convert_to_perfect_nest): Removed loopivs parameter.
1846 Complete the test by checking the scalar dependences.
1847 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1850 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1853 From Dan Kegel <dank@kegel.com>:
1854 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1856 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1858 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1859 if the element type is variably modified without recursing.
1861 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1864 * tree-loop-linear.c (try_interchange_loops): Test for
1865 no data dependences.
1867 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1869 PR tree-optimization/27548
1870 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1871 range of ssa names that appear on abnormal edges.
1872 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1873 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1875 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1878 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1880 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1883 * tree.h (OMP_PARALLEL_COMBINED): Define.
1884 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1885 (new_omp_context): Add is_combined_parallel argument.
1886 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1887 new_omp_context caller.
1888 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1889 Adjust gimplify_scan_omp_clauses callers.
1890 (omp_is_private): Issue errors if iteration variable is firstprivate
1891 or reduction in the current context.
1892 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1893 on combined parallel workshare constructs.
1895 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1897 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1898 (gcc-options.o): New rule.
1900 * optc-gen.awk: Protect variables for gcc-options.o with
1901 #ifdef GCC_DRIVER/#endif.
1903 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1905 Fix PR tree-optimization/27373
1906 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1907 (forward_propagate_addr_expr): Update call.
1909 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1911 * doc/options.texi: Move the Negative option.
1913 2006-05-16 Richard Guenther <rguenther@suse.de>
1915 PR tree-optimization/22303
1916 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1918 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1919 ccp_fold did not simplify the statement.
1921 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1924 * Makefile.in (GCC_OBJS): New.
1925 (OBJS-common): Add opts-common.o.
1926 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1927 (cpp$(exeext)): Likewise.
1928 (gcc.o): Also depend on opts.h.
1929 (opts-common.o): New.
1931 * common.opt (gcoff): Add Negative(gdwarf-2).
1932 (gdwarf-2): Add Negative(gstabs).
1933 (gstabs): Add Negative(gstabs+).
1934 (gstabs+): Add Negative(gvms).
1935 (gvms): Add Negative(gxcoff).
1936 (gxcoff): Add Negative(gxcoff+).
1937 (gxcoff+): Add Negative(gcoff).
1938 * config/i386/i386.opt (m32): Add Negative(m64).
1939 (m64): Add Negative(m32).
1941 * doc/options.texi: Document the Negative option.
1943 * gcc.c: Include "opts.h".
1944 (main): Call prune_options after expandargv.
1946 * optc-gen.awk: Generate common declarations for all flag
1947 variables in options.c. Output the neg_index field.
1949 * opts.c (find_opt): Moved to ...
1950 * opts-common.c: Here. New file.
1952 * opts.h (cl_option): Add a neg_index field.
1954 (prune_options): Likewise.
1956 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1959 * omp-low.c (expand_omp_parallel): Don't assert
1960 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1961 instead search for it.
1964 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1967 2006-05-16 Andreas Schwab <schwab@suse.de>
1969 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1972 2006-05-15 Roger Sayle <roger@eyesopen.com>
1975 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1976 integer constants other than zero are only legitimate on TARGET_64BIT.
1977 <CONST_VECTOR> Only zero vectors are legitimate.
1978 (ix86_cannot_force_const_mem): Integral and vector constants can
1979 always be put in the constant pool.
1981 2006-05-16 DJ Delorie <dj@redhat.com>
1983 * crtstuff.c (__dso_handle): Set section from
1984 TARGET_LBIGCC_SDATA_SECTION if defined.
1985 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1986 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1988 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1991 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1994 2006-05-16 Ben Elliston <bje@au.ibm.com>
1996 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1998 2006-05-15 Per Bothner <per@bothner.com>
2000 * tree.c: (last_annotated_node): Use source_locus typedef.
2001 This permits bootstrapping with --enable-mapped-location.
2003 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2005 PR tree-optimization/26830
2006 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2007 (info_for_ssa_name, current_info_for_ssa_name_age,
2008 blocks_to_update): New variables.
2009 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2010 (clear_ssa_name_info, initialize_flags_in_bb,
2011 mark_block_for_update): New functions.
2012 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2013 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2014 prepare_def_site_for): Use mark_block_for_update.
2015 (mark_def_interesting): Assert that the processed block is marked in
2016 blocks_to_update. Do not take blocks argument.
2017 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2019 (rewrite_update_init_block, rewrite_update_stmt): Only process
2020 blocks with statements to rewrite.
2021 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2022 (update_ssa): Initialize and free blocks_to_update. Do not
2023 clear flags on statements. Do not use blocks bitmap.
2024 * tree.h (SSA_NAME_AUX): Removed.
2025 (struct tree_ssa_name): Removed aux field.
2026 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2028 2006-05-15 Richard Guenther <rguenther@suse.de>
2030 PR tree-optimization/27603
2031 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2032 Do computations in original type.
2034 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2036 * see.c: Code style changes such as redundant paranthesis,
2037 redundant intialization of local variables etc.
2038 (see_main): Declared now as static.
2039 * doc/invoke.texi: Update that -fsee is not enabled by
2042 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2044 * omp-low.c (check_omp_nesting_restrictions): New function.
2045 (scan_omp_1): Call it.
2048 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2049 construct, return *VAR.
2051 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2053 PR rtl-optimization/27406
2054 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2057 2006-05-14 Roger Sayle <roger@eyesopen.com>
2059 PR rtl-optimization/27538
2060 * combine.c (expand_compound_operation): Call gen_lowpart
2061 before calling simplify_shift_const.
2063 2006-05-14 Roger Sayle <roger@eyesopen.com>
2065 PR rtl-optimization/22563
2066 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2067 a fixed width bitfield, always force the intermediates into psuedos.
2069 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2072 * mkconfig.sh: Use operator = instead of == for test.
2074 2006-05-13 Nick Clifton <nickc@redhat.com>
2076 * dwarf2out.c (dbx_reg_number): Check return value from
2077 LEAF_REG_REMAP and only use it if it is valid.
2078 (multiple_reg_loc_descriptor): Likewise.
2080 2006-05-13 Richard Guenther <rguenther@suse.de>
2082 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2085 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2087 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2088 information attached to non-INSNs such as NOTEs.
2089 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2091 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2093 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2095 * config/s390/s390.md: Adjust comment describing On constraint.
2097 2006-05-11 Jan Hubicka <jh@suse.cz>
2099 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2100 to be output at -O0.
2102 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2105 * fold-const.c (size_binop): Move sanity check for arguments to
2106 the beginning of the function.
2109 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2112 2006-05-11 Richard Guenther <rguenther@suse.de>
2115 * fold-const.c (fold_unary): Handle intermediate conversion
2116 to a pointer type like intermediate conversion to an integer
2117 type in folding of (T1)(T2)var to var.
2118 Match the code to the comment in the final conversion for
2119 (T1)(T2)var to (T1)var regarding to type precision. Rather
2120 than disallow T1 being of pointer type, assert that both T1
2121 and var are of pointer type or not. Make sure not to fall
2122 over the frontends lazyness wrt array to pointer decay though.
2124 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2126 * arm.c (arm_struct_value_rtx): Delete.
2127 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2128 (arm_init_cumulative_args): Always initialize nregs to zero.
2130 2006-05-10 Richard Guenther <rguenther@suse.de>
2132 PR tree-optimization/27532
2133 * tree-object-size.c (plus_expr_object_size): Fix typo.
2135 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2138 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2139 ashrdi_const, ashrdi3): Use a scratch register.
2141 2006-05-10 Richard Guenther <rguenther@suse.de>
2143 PR tree-optimization/27302
2144 * fold-const.c (operand_equal_p): For two comparisons,
2145 try comparison of one comparison code swapped if that yields
2148 2006-05-10 Ben Elliston <bje@au.ibm.com>
2150 * tree-pretty-print.c (pretty_print_string): No need to handle
2151 '\0' as a special character.
2153 * tree.h: Include "hashtab.h".
2154 (iterative_hash_expr): Use hashval_t in its prototype.
2155 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2157 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2160 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2161 (hppa*64*-*-hpux11*): Ditto.
2162 (hppa[12]*-*-hpux11*): Ditto.
2164 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2167 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2169 2006-05-09 Michael Matz <matz@suse.de>
2171 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2172 host_extra_gcc_objs and host_xmake_file.
2173 (<*-*-linux*>): Don't overwrite host_xmake_file.
2174 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2175 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2176 (host_detect_local_cpu): Declare.
2177 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2178 * config/i386/i386.c (override_options): Handle -mtune=native
2180 * config/i386/x-i386: New file.
2181 * config/i386/driver-i386.c: New file.
2182 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2185 2006-05-09 Dirk Mueller <dmueller@suse.de>
2186 Richard Guenther <rguenther@suse.de>
2189 * fold-const.c (fold_read_from_constant_string): Relax check
2190 for matching types to matching modes.
2192 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2194 PR rtl-optimization/27335
2195 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2198 2006-05-08 Chao-ying Fu <fu@mips.com>
2199 Richard Sandiford <richard@codesourcery.com>
2201 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2202 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2203 * config/mips/mips.md (UNSPEC_SCC): New constant.
2204 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2205 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2206 (mips_emit_compare): Use it.
2207 (mips_expand_vcondv2sf): New function.
2209 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2211 Fix PR tree-optimization/27093
2212 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2213 renaming when they become not-used_alone.
2215 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2217 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2218 relocation and relocation stubs.
2220 2006-05-08 Eric Christopher <echristo@apple.com>
2222 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2225 2006-05-08 Jan Hubicka <jh@suse.cz>
2228 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2229 unused static functions are needed.
2231 2006-05-08 Roger Sayle <roger@eyesopen.com>
2234 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2235 of a reg_equiv_constant if the result is a legitimate constant.
2237 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2240 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2241 standard 80387 constants, raise the cost to prevent
2242 compress_float_constant() to generate load from memory.
2244 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2246 * config/arm/constraints.md (c): Fix a typo.
2248 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2251 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2254 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2256 (_mm_mwait): Likewise.
2258 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2260 (sse3_monitor): Make it 32bit only.
2261 (sse3_monitor64): New. 64bit monitor.
2263 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2266 * config/i386/i386.c (classify_argument): Skip fields with invalid
2269 2006-05-07 Richard Guenther <rguenther@suse.de>
2271 PR tree-optimization/27409
2272 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2273 Do not try to find zero-sized subvars.
2275 2006-05-07 Richard Guenther <rguenther@suse.de>
2277 PR tree-optimization/27136
2278 * tree-ssa-loop-niter.c (get_val_for): Correct function
2279 comment, assert requirements.
2280 (loop_niter_by_eval): Stop processing if the iterated
2281 value did not simplify.
2283 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2285 * opts.c (flag_see): remove its setting at -O3.
2287 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2289 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2290 * arm/constraints.md: New file.
2291 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2292 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2293 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2294 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2295 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2296 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2297 * arm.md: Include constraints.md.
2298 (thumb_movsi_insn): Use satisfies_constraint_J.
2299 (movhi, movqi): Use satisfies_constraint_I.
2301 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2303 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2304 for atmeg a645 device.
2306 2006-05-06 Richard Guenther <rguenther@suse.de>
2308 PR tree-optimization/27151
2309 * tree-vect-transform.c (vectorizable_condition): Punt on
2310 values that have a different type than the condition.
2312 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2315 * c-parser.c (c_parser_cast_expression): Only insert casts into
2316 hash table if pointer.
2317 * function.c (used_types_insert_helper): Rename from
2319 (used_types_insert): Call used_types_insert_helper.
2320 * function.h (used_types_insert): Accept only one argument.
2322 2006-05-05 David Edelsohn <edesohn@gnu.org>
2324 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2325 scratch with output modifier.
2327 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2330 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2331 with output modifier.
2333 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2336 * config/mips/mips.c (mips_symbolic_address_p): Return true
2337 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2338 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2340 2006-05-04 Richard Guenther <rguenther@suse.de>
2342 PR tree-optimization/14287
2343 PR tree-optimization/14844
2344 PR tree-optimization/19792
2345 PR tree-optimization/21608
2346 PR tree-optimization/27090
2347 * tree-ssa-pre.c (try_combine_conversion): New function.
2348 (compute_avail): After constructing the value-handle
2349 expression, use try_combine_conversion to combine NOP_EXPRs
2350 with previous value-handle expressions and use the result if it
2353 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2355 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2357 2006-05-04 Jan Hubicka <jh@suse.cz>
2360 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2362 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2364 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2365 that this only matches CONST_INTs. All users changed to VOIDmode
2368 * config/bfin/bfin.c: Include "optabs.h".
2369 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2371 (enum bfin_builtins): Add a number of fractional and vector builtins.
2372 (bfin_init_builtins): Likewise.
2373 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2374 (safe_vector_operand, bfin_expand_binop_builtin,
2375 bfin_expand_unop_builtin): New functions.
2376 (bfin_expand_builtin): Handle the new builtins.
2377 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2380 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2383 * Makefile.in (OBJS-common): Add see.o.
2384 (see.o): Add dependencies.
2385 * common.opt (fsee): New flag for the see optimization was added.
2386 * opts.c (flag_see): Initialized.
2387 * passes.c (init_optimization_passes, pass_see): New pass.
2388 * rtl.h (see_main): Declaration as extern.
2389 * timevar.def (TV_SEE): New.
2390 * tree-pass.h (pass_see): Declaration as extern.
2391 * invoke.texi (-fsee): Document.
2392 * recog.c (validate_simplify_insn): New function.
2393 * recog.h (validate_simplify_insn): Declaration as extern.
2394 * df-problems.c (df_chain_dump): Check for NULL.
2396 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2397 Daniel Berlin <dberlin@dberlin.org>
2399 * cfgrtl.c (insert_insn_bb_end_new): New function.
2400 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2402 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2404 * df.h (struct web_entry): Moved from web.c.
2405 (union_defs): Declaration as extern.
2406 (unionfind_root): Likewise.
2407 (unionfind_union): Likewise.
2408 * web.c (struct web_entry): Moved to df.h.
2409 (unionfind_root): Remove static declaration.
2410 (unionfind_union): Likewise.
2411 (union_defs): Likewise and generalize to use callback function.
2412 (web_main): Update arguments for union_defs function call.
2414 2006-05-04 Richard Guenther <rguenther@suse.de>
2416 PR tree-optimization/26447
2417 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2418 produce SSA_NAME copies before the store stmt to avoid
2419 breaking exception handling.
2421 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2424 * gimplify.c (omp_is_private): If var is shared in some outer context,
2425 return false instead of true. Stop searching on parallel context
2428 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2431 * coverage.c: Use get_gcov_unsigned_t() instead of
2432 unsigned_type_node all over.
2434 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2436 PR tree-optimization/27381
2437 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2438 maintain the same immediate_use links.
2439 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2440 node rather than segfaulting.
2442 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2445 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2446 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2447 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2449 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2451 Fix PR tree-optimization/26626
2452 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2454 * tree-ssa-operands.c (access_can_touch_variable): Allow
2455 typecasting through union pointers.
2457 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2460 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2461 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2462 to find if var will be a global variable even in the nested context.
2463 (omp_copy_decl): Only check for global variable at the end, it might
2464 be overridden in outer contexts.
2465 (scan_sharing_clauses): For global variables don't create a field.
2466 (lower_rec_input_clauses): Do nothing for global shared variables.
2467 Emit a barrier at the end of ILIST if there were any decls in both
2468 firstprivate and lastprivate clauses.
2469 (lower_send_clauses): Do nothing for global variables except for
2472 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2474 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2475 of the correct signedness is returned.
2477 2006-05-02 Jeff Law <law@redhat.com>
2479 PR tree-optimization/27364
2480 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2481 multiply expressions.
2483 2006-05-02 Tom Tromey <tromey@redhat.com>
2485 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2487 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2490 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2491 -mthumb -fPIC are used.
2493 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2494 Joshua Kinard <kumba@gentoo.org>
2497 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2498 with 64-bit pointers.
2500 2006-05-02 Paul Brook <paul@codesourcery.com>
2502 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2504 (create_fix_barrier): Check that a suitable barrier location is
2506 (arm_reorg): Include ftmp->address in allowable range of addresses.
2508 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2511 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2514 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2517 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2518 around RESULT_DECL for result passed by reference.
2519 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2520 * omp-low.c (use_pointer_for_field): Don't look at
2521 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2522 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2523 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2524 time or var for passing by reference for
2525 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2526 TREE_ADDRESSABLE variables when passing by reference.
2528 * omp-low.c (dump_omp_region): Fix output formatting.
2531 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2532 (expand_omp_parallel): Likewise.
2533 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2536 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2537 on statement list containing also constructors and destructors.
2538 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2541 * except.c (duplicate_eh_regions): Fix clearing of
2542 cfun->eh->region_array entries.
2544 2006-05-01 DJ Delorie <dj@redhat.com>
2546 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2548 (gcc_cv_objdump): Likewise.
2549 * configure: Regenerated.
2551 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2554 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2555 templates for case 3 and 4.
2557 2006-05-01 DJ Delorie <dj@redhat.com>
2559 * vec.c: Include bconfig.h when appropriate.
2560 * Makefile.in (build/vec.o): Adjust dependencies.
2561 * mkconfig.sh: Make sure config.h isn't used for build machine
2564 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2566 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2568 (mark_phi_for_rewrite): New function.
2569 (insert_phi_nodes_for, mark_use_interesting): Call
2570 mark_phi_for_rewrite.
2571 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2572 (update_ssa): Initialize and free phis_to_rewrite.
2574 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2576 PR rtl-optimization/27291
2577 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2578 folded to a constant.
2580 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2582 PR tree-optimization/27283
2583 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2584 not whole # of iteration descriptions.
2585 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2586 uses abnormal ssa name.
2587 (niter_for_single_dom_exit): Ditto.
2588 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2589 return just the number of iterations.
2591 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2593 PR tree-optimization/27144
2594 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2595 (record_estimate): Only record constant upper bound.
2596 (infer_loop_bounds_from_undefined): Call
2597 compute_estimated_nb_iterations just once.
2598 (proved_non_wrapping_p): Renamed to ...
2599 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2600 (convert_step_widening, scev_probably_wraps_p): Call
2601 n_of_executions_at_most instead of proved_non_wrapping_p.
2602 (substitute_in_loop_info): Do not replace values in bounds.
2603 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2606 2006-05-01 Richard Henderson <rth@redhat.com>
2609 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2610 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2613 2006-05-01 Roger Sayle <roger@eyesopen.com>
2615 * c-typeck.c (parser_build_binary_op): Don't call the function
2616 unsigned_conversion_warning to spot operand/result type overflow.
2617 (build_binary_op): Instead, call convert_and_check instead of
2618 convert to report the problem when the operands are promoted.
2619 * c-common.c (unsigned_conversion_warning): Make static.
2620 * c-common.h (unsigned_conversion_warning): Delete prototype.
2622 2006-05-01 Richard Guenther <rguenther@suse.de>
2624 PR tree-optimization/26726
2625 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2627 (find_interesting_uses_address): ... we work around here
2628 by folding INDIRECT_REFs in the substituted base.
2630 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2632 * omp-low.c (dump_omp_region): Add newlines.
2634 2006-04-30 Roger Sayle <roger@eyesopen.com>
2636 * common.opt (Woverflow): New command line option.
2637 * c-common.c (constant_expression_warning): Check warn_overflow.
2638 (overflow_waring): Pass OPT_Woverflow to warning.
2639 (unsigned_conversion_warning): Likewise.
2640 (convert_and_check): Likewise.
2641 * doc/invoke.texi: Document new command line option.
2643 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2645 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2646 TARGET_NO_FP_IN_TOC for section anchors.
2647 (optimization_options): Enable section anchors for all
2648 non-"Objective" languages.
2650 2006-04-28 Eric Christopher <echristo@apple.com>
2652 * config/darwin-c.c (darwin_ms_struct): Move this
2653 (darwin_set_default_type_attributes): and this...
2654 * config/darwin.c: ... here.
2655 * config/darwin.h (darwin_ms_struct): Declare.
2657 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2659 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2661 2006-04-28 Roger Sayle <roger@eyesopen.com>
2664 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2665 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2666 an unsigned HOST_WIDE_INT.
2667 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2669 (really_start_incremental_init): No need to call convert because
2670 bitsize_zero_node is already of type bitsizetype.
2671 (push_init_level): Extract the value of constructor_index as an
2672 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2673 (process_init_element): Likewise.
2675 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2677 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2678 value before passing to make_relative_prefix.
2680 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2683 * builtins.c (expand_builtin_memset): Expand val in original mode.
2685 2006-04-27 Eric Christopher <echristo@apple.com>
2687 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2688 with #ifndef/#endif.
2689 * config/darwin-c.c (darwin_ms_struct): New.
2690 (darwin_pragma_ms_struct): Ditto.
2691 (darwin_set_default_type_attributes): Ditto.
2692 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2693 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2694 Register ms_struct pragma.
2695 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2696 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2697 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2698 darwin_set_default_type_attributes if TARGET_MACHO.
2700 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2702 PR tree-optimization/26854
2703 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2704 * doc/tree-ssa.texi: Update immuse iterator documentation.
2705 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2706 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2707 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2708 first_safe_imm_use, next_safe_imm_use): Remove.
2709 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2710 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2711 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2712 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2713 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2714 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2715 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2716 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2717 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2718 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2719 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2720 (perfect_nestify): Use new iterator.
2721 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2723 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2724 (next_imm_name): New field in struct immediate_use_iterator_d.
2725 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2726 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2727 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2728 * tree-cfg.c (replace_uses_by): Use new iterator.
2729 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2730 * tree-ssa-operands.c (correct_use_link): Remove.
2731 (finalize_ssa_use_ops): No longer call correct_use_link.
2733 2006-04-27 Stuart Hastings <stuart@apple.com>
2735 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2736 * config/t-darwin (crt3.o): Use it.
2737 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2738 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2739 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2740 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2741 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2744 2006-04-27 Roger Sayle <roger@eyesopen.com>
2746 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2747 size, force the intermediate into a new pseudo rather instead of
2748 performing both a bitwise AND and a bitwise IOR in memory.
2750 2006-04-27 Richard Guenther <rguenther@suse.de>
2752 PR rtl-optimization/26685
2753 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2754 this one "max-flow-memory-locations".
2756 2006-04-27 Richard Guenther <rguenther@suse.de>
2758 PR tree-optimization/25148
2759 * tree-vrp.c (compare_values): Remove code dealing with
2760 comparisons against type min/max value. Honour overflow
2761 and negative constants in code dealing with comparisons
2762 of plus and minus expressions.
2763 (value_inside_range): Use fold_binary with LE_EXPR and
2764 GE_EXPR rather than compare_values.
2766 2006-04-27 Dirk Mueller <dmueller@suse.de>
2768 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2771 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2773 * basic-block.h (safe_insert_insn_on_edge): Removed.
2774 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2776 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2777 Paolo Bonzini <bonzini@gnu.org>
2780 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2781 (simplify_and_const_int): Same.
2783 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2785 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2787 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2790 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2791 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2792 cgraph_global_info_ready.
2795 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2798 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2799 either decl or init is error_mark_node.
2802 * tree-flow.h (struct omp_region): Add sched_kind.
2803 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2804 instead of extracting omp for data.
2805 (expand_omp_for): Save extracted sched_kind.
2807 2006-04-25 Roger Sayle <roger@eyesopen.com>
2809 * expmed.c (store_bit_field): Also check whether the bitsize is
2810 valid for the machine's "insv" instruction before moving the
2811 target into a pseudo for use with the insv.
2812 * config/i386/predicates.md (const8_operand): New predicate.
2813 * config/i386/i386.md (extv, extzv, insv): Use the new
2814 const8_operand predicate where appropriate.
2816 2006-04-25 DJ Delorie <dj@redhat.com>
2818 * doc/install.texi (Specific): Clarify that this is not a list of
2819 supported hosts or targets.
2821 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2823 PR rtl-optimization/26725
2824 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2825 block's BB_DIRTY flag.
2827 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2829 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2832 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2833 to print an integer.
2835 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2837 * varasm.c (align_variable): New function.
2838 (get_block_for_decl): Apply align_variable to DECL before
2839 calculating section information.
2840 (assemble_variable): Split out alignment computation.
2842 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2844 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2847 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2849 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2850 MODE_PARTIAL_INT mode.
2851 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2852 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2854 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2855 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2857 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2859 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2861 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2862 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2863 MACFLAG_IH): Likewise.
2864 (movstricthi_1): Renamed from "*movstricthi".
2865 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2866 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2867 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2868 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2869 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2870 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2871 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2872 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2873 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2874 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2875 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2876 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2877 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2878 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2879 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2881 * doc/rtl.texi (ss_ashift): Improve wording.
2883 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2885 * dwarf2out.c (verify_marks_clear): New.
2886 (prune_unused_types): Call verify_marks_clear initially, not
2889 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2891 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2892 * doc/rtl.texi: Document them.
2893 * simplify-rtx.c (simplify_unary_operation,
2894 simplify_binary_operation_1): Don't abort when we see them.
2896 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2899 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2900 * configure.ac: Completely disregard languages that are not
2902 * configure: Regenerated.
2904 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2905 Richard Guenther <rguenther@suse.de>
2907 PR tree-optimization/27236
2908 * tree-inline.c (copy_body_r): Make sure to copy
2909 TREE_THIS_VOLATILE flag.
2911 2006-04-24 Richard Guenther <rguenther@suse.de>
2914 * tree-complex.c (update_parameter_components): Don't handle
2915 unused parameters which have no default def.
2917 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2918 Richard Guenther <rguenther@suse.de>
2920 PR tree-optimization/27218
2921 * tree-inline.c (expand_call_inline): Strip useless type
2922 conversions for the return slot address.
2924 2006-04-24 Richard Guenther <rguenther@suse.de>
2926 * cfgloop.h (struct loops): Remove unused field array. Reorder
2928 (LOOP_PREFETCH): Remove.
2930 2006-04-24 Richard Guenther <rguenther@suse.de>
2932 PR tree-optimization/22525
2933 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2934 variable, adjust types of generated expressions.
2936 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2938 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2939 (tree-vect-patterns.o): Likewise.
2941 (cselib.o): Likewise.
2942 (loop-doloop.o): Likewise.
2943 (regclass.o): Likewise.
2944 (reload1.o): Likewise.
2945 (explow.o): Replace target.h with $(TARGET_H).
2946 (ipa-prop.o): Likewise.
2947 (ipa-cp.o): Likewise.
2948 (ipa-inline.o): Likewise.
2949 (reorg.o): Likewise.
2950 (reg-stack.o): Likewise.
2952 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2954 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2956 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2958 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2960 * configure.ac: Completely disregard languages that are not
2962 * configure: Regenerated.
2965 * c-common.h (c_build_bitfield_integer_type): Declare.
2966 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2967 * c-common.c (c_build_bitfield_integer_type): ... here.
2969 2006-04-23 Roger Sayle <roger@eyesopen.com>
2972 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2973 a SImode SUBREG of a floating point register after no_new_pseudos.
2975 2006-04-23 Roger Sayle <roger@eyesopen.com>
2977 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2978 identify potentially eliminable registers to additionally catch
2979 VIRTUAL_INCOMING_ARGS_REGNUM.
2980 (addsi3): Update the conditions on when to use addsi_small_int.
2982 2006-04-23 Roger Sayle <roger@eyesopen.com>
2985 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2986 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2987 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2989 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2991 * fold-const.c (range_predecessor): Use operand_equal_p
2992 as the predicate for equality.
2993 (range_successor): Likewise.
2995 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2998 * config/soft-fp/op-common.h: Fix a typo.
3000 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3003 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3004 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3006 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3008 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3010 * doc/tm.texi: Fix a typo.
3012 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3014 * dwarf2out.c (struct die_struct): Document that die_sib makes
3015 a circular linked list.
3016 (FOR_EACH_CHILD): New.
3017 (reverse_die_lists): Delete.
3018 (reverse_all_dies): Delete.
3019 (add_dwarf_attr): Correct documentation.
3020 (remove_child_with_prev): New.
3021 (remove_child_TAG): Update for change to die_struct, use
3022 remove_child_with_prev.
3023 (add_child_die): Update for change to die_struct.
3024 (splice_child_die): Use remove_child_with_prev and add_child_die.
3025 (print_die): Use FOR_EACH_CHILD.
3026 (die_checksum): Likewise.
3027 (assign_symbol_names): Likewise.
3028 (output_location_lists): Likewise.
3029 (build_abbrev_table): Likewise.
3030 (calc_die_sizes): Likewise.
3031 (mark_dies): Likewise.
3032 (unmark_dies): Likewise.
3033 (unmark_all_dies): Likewise.
3034 (output_die): Likewise.
3035 (prune_unused_types_mark): Likewise.
3036 (prune_unused_types_walk): Likewise.
3037 (same_die_p): Update for change to die_struct.
3038 (break_out_includes): Likewise.
3039 (prune_unused_types_prune): Likewise.
3040 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3041 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3043 (dwarf2out_finish): Don't call reverse_all_dies.
3045 2006-04-21 Eric Christopher <echristo@apple.com>
3047 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3048 in comments and function names.
3050 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3053 * c-typeck.c (digest_init): Robustify.
3055 * c-typeck.c (pop_init_level): Simplify.
3057 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3059 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3061 2006-04-21 Paul Brook <paul@codesourcery.com>
3063 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3064 hardware floating point.
3066 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3068 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3071 2006-04-21 Nick Clifton <nickc@redhat.com>
3073 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3076 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3079 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3080 C++ lang type in traceback table for Objective-C++.
3082 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3084 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3086 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3088 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3091 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3092 were errors. Remove check for erroneous objects.
3094 2006-04-20 Jeff Law <law@redhat.com>
3096 PR tree-optimization/26854
3097 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3098 checking for zero or one use.
3099 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3100 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3101 * tree-ssa-reassoc.c (negate_value): Similarly.
3102 (reassociate_bb): Similarly.
3104 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3106 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3107 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3108 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3110 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3112 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3113 fp regs if the last fp arg doesn't fit in regs.
3115 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3118 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3119 that the last insn has the REG_INC note.
3121 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3122 Nathan Sidwell <nathan@codesourcery.com>
3125 * stor-layout.c (update_alignment_for_field): Do not align
3127 (place_union_field): Place union field at the start of the union.
3128 (place_field): Move ERROR_MARK check later, and use the current
3129 allocation position to maintain monotonicity.
3131 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3133 * dominance.c: Include timevar.h.
3134 (calculate_dominance_info): Use TV_DOMINANCE.
3135 * timevar.def (TV_DOMINANCE): New timevar.
3136 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3138 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3140 PR rtl-optimization/14261
3141 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3142 move would be an INSV insn.
3143 (noce_process_if_block): Don't optimize if the destination is a
3144 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3146 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3148 * config/s390/s390.md: Add comments with the instructions emitted
3149 by an insn pattern if macros are used.
3151 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3153 PR rtl-optimization/26026
3154 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3155 is a known power of two shifted left a variable amount.
3157 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3159 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3160 to hash table twice when the debug_str section has SECTION_MERGE.
3162 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3164 * config/soft-fp: New directory. From glibc.
3165 * config/soft-fp/t-softfp: New.
3166 * config/soft-fp/README: New.
3167 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3168 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3169 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3170 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3171 * config.gcc: Use rs6000/t-fprules-fpbit or
3172 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3174 * config/rs6000/sfp-machine.h: New. Based on glibc.
3175 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3177 * config/rs6000/t-fprules: Remove fp-bit rules.
3178 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3179 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3180 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3181 (softfp_wrap_start, softfp_wrap_end): New.
3183 2006-04-18 DJ Delorie <dj@redhat.com>
3185 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3187 2006-04-18 Devang Patel <dpatel@apple.com>
3189 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3191 2006-04-18 Nick Clifton <nickc@redhat.com>
3193 * config/sh/t-symbian: Add rule to build sh-c.o
3194 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3195 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3196 (sh_symbian_encode_section_info): Likewise.
3198 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3200 * builtins.c (expand_builtin_strcmp): Cover label definition of
3201 do_libcall with HAVE_cmpstrnsi.
3203 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3205 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3207 * function.h (temp_slot_p): New.
3208 (function): Change the type of x_used_temp_slots to
3209 VEC(temp_slot_p,gc) *.
3211 2006-04-18 Nick Clifton <nickc@redhat.com>
3213 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3214 flag_strength_reduce.
3216 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3218 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3222 Partial revert of revision 112637
3223 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3224 Dale Johannesen <dalej@apple.com>
3227 * regclass.c (struct reg_pref): Update documentation.
3228 (regclass): Set prefclass to NO_REGS if memory is the best option.
3229 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3231 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3233 PR tree-optimization/26821
3234 * tree-ssa-math-opts.c (get_constant_one): New.
3235 (insert_reciprocals): Use it.
3237 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3239 * dwarf2out.c (free_AT): Delete.
3240 (remove_AT): Update string ref counts.
3241 (remove_child_TAG): Don't call free_die.
3243 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3244 or DW_TAG_GNU_EINCL.
3245 (prune_unused_types_walk_attribs): Reset string refcounts.
3246 (prune_unused_types_update_strings): New.
3247 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3248 call free_die. Do call prune_unused_types_update_strings.
3249 (prune_unused_types): Empty debug_str_hash.
3251 2006-04-17 Roger Sayle <roger@eyesopen.com>
3253 * expr.c (expand_assignment): Optimize away no-op moves where the
3254 source and destination are equal and have no side-effects.
3256 2006-04-17 Richard Guenther <rguenther@suse.de>
3259 * reload.c (push_reload): Guard calls to get_secondary_mem
3262 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3264 * alias.c (reg_base_value, old_reg_base_value): Change the
3265 type to VEC(rtx,gc) *.
3266 (REG_BASE_VALUE, find_base_value, record_set,
3267 init_alias_analysis): Use VEC instead of VARRAY.
3269 * alias.c (alias_sets): Change the type to
3270 VEC(alias_set_entry,gc) *.
3271 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3272 VEC instead of VARRAY.
3273 (last_alias_set): Remove.
3275 * cgraph.h (cgraph_edge_p): New.
3276 Update the prototype of cgraph_function_versioning.
3277 * cgraphunit.c (cgraph_copy_node_for_versioning,
3278 cgraph_function_versioning): Use VEC instead of VARRAY.
3279 * ipa-cp.c (ipcp_insert_stage): Likewise.
3281 2006-04-16 Roger Sayle <roger@eyesopen.com>
3284 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3285 "A op B" or "A op C", we may need to convert A to the type of B and C.
3287 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3289 * target.h (struct gcc_target): Add mode_rep_extended.
3290 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3291 (init_num_sign_bit_copies_in_rep): Initialize it using
3293 (truncate_to_mode): Use it.
3294 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3295 * targhooks.h (default_mode_rep_extended): Declare it.
3296 * targhooks.c (default_mode_rep_extended): Define it.
3297 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3298 default_mode_rep_extended.
3299 (TARGET_INITIALIZER): Include it.
3300 * doc/tm.texi (Misc): Document it.
3301 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3302 (mips_truncated_to_mode): New function.
3304 2006-04-16 Roger Sayle <roger@eyesopen.com>
3307 * expr.c (compress_float_constant): Copy the narrow constant into
3308 a new pseudo before extending it to its final width.
3310 2006-04-16 Roger Sayle <roger@eyesopen.com>
3311 Andrew Pinski <pinskia@gcc.gnu.org>
3312 Dale Johannesen <dalej@apple.com>
3315 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3316 special case code to implement V8HImode and V16QImode with SSE2.
3318 2006-04-15 Roger Sayle <roger@eyesopen.com>
3320 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3321 trees are constructed with a suitable tree type.
3323 2006-04-15 Roger Sayle <roger@eyesopen.com>
3325 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3326 (integer_onep): Likewise.
3327 (integer_all_onesp): Likewise.
3328 (integer_pow2p): Likewise.
3329 (integer_nonzerop): Likewise.
3330 (real_zerop): Likewise.
3331 (real_onep): Likewise.
3332 (real_twop): Likewise.
3333 (real_minus_onep): Likewise.
3334 (int_size_in_bytes): Likewise.
3335 (host_integerp): Likewise.
3337 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3339 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3340 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3341 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3343 * tree-ssa-structalias.h (alias_info): Remove num_references.
3345 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3347 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3348 (output_bvb patterns): Likewise.
3349 * pa.c (output_bb): Use 'bb' insn for long branch case.
3350 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3351 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3352 1. Correct length operand for alternatives 1 and 2.
3353 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3354 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3356 2006-04-14 Roger Sayle <roger@eyesopen.com>
3358 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3359 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3360 were accidentally reverted by r112959.
3362 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3365 * except.h (eh_region_outermost): New prototype.
3366 * except.c (eh_region_outermost): New function.
3367 * tree-cfg.c (find_outermost_region_in_block): Use it.
3369 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3371 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3373 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3374 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3375 (init_reload, reload): Use VEC instead of VARRAY.
3376 * reload.h: Update the prototype for
3377 reg_equiv_memory_loc_varray.
3379 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3380 Eric Botcazou <ebotcazou@libertysurf.fr>
3382 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3385 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3388 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3389 to expand fallback builtin function call.
3391 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3394 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3395 and emit libcall here in case the builtin fails.
3396 (expand_builtin_strcmp): Always emit the libcall here on failure.
3398 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3400 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3401 * flow.c (reg_n_info): Change the type to
3402 VEC(reg_info_p,heap) *.
3403 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3405 * regs.h (reg_info_p): New.
3406 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3407 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3408 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3411 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3413 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3415 * params.h (MAX_SCHED_READY_INSNS): New macro.
3416 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3417 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3418 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3419 the ready list for 1 cycle during the first scheduling pass.
3420 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3422 2006-04-13 Richard Henderson <rth@redhat.com>
3425 * gimple-low.c (lower_omp_directive): Remove dead code.
3426 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3427 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3428 * omp-low.c (struct omp_region): Move to tree-flow.h.
3429 (root_omp_region): Export.
3430 (omp_regions, lookup_omp_region): Remove.
3431 (determine_parallel_type): Update for struct omp_region changes.
3432 (dump_omp_region): Dump regions with block numbers.
3433 (new_omp_region): Take type and block instead of stmt; malloc
3435 (free_omp_region_1, free_omp_regions): New.
3436 (expand_parallel_call): Take entry_stmt as argument; update for
3437 changes to omp_region.
3438 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3439 (remove_exit_barriers): New.
3440 (expand_omp_parallel): Update for struct omp_region changes.
3441 (expand_omp_synch): Likewise.
3442 (expand_omp): Likewise.
3443 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3444 (expand_omp_for_static_chunk): Likewise.
3445 (expand_omp_for): Likewise.
3446 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3447 (expand_omp_sections): Similarly, with GOMP_sections_end.
3448 (expand_omp_single): New.
3449 (build_omp_regions_1): Update for OMP_CONTINUE.
3450 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3451 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3452 OMP_SECTIONS_SECTIONS.
3453 (lower_omp_single_simple): Don't emit barrier here.
3454 (lower_omp_single_copy): Likewise.
3455 (lower_omp_single): Fix bindings, and lower to straightline now.
3456 (lower_omp_master, lower_omp_ordered): Likewise.
3457 (lower_omp_critical): Likewise.
3458 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3459 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3460 omp edges, free it afterward.
3461 (make_omp_sections_edges): Remove.
3462 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3463 (move_stmt_r): Handle OMP_CONTINUE.
3464 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3465 statement pointers to basic blocks. Add type member.
3466 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3467 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3468 * tree-inline.c (estimate_num_insns_1): Likewise.
3469 * tree-pretty-print.c (dump_generic_node): Likewise.
3470 * tree-ssa-operands.c (get_expr_operands): Likewise.
3471 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3472 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3473 (OMP_CONTINUE): New.
3474 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3475 (OMP_SECTIONS_SECTIONS): Remove.
3476 (OMP_SECTION_LAST): New.
3477 (OMP_RETURN_NOWAIT): New.
3479 2006-04-13 Roger Sayle <roger@eyesopen.com>
3481 * fold-const.c (native_encode_vector, native_interpret_real):
3482 Correct obvious mistakes in the previous check-in.
3484 2006-04-13 Roger Sayle <roger@eyesopen.com>
3486 * fold-const.c (native_encode_expr): New function to encode
3487 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3488 or VECTOR_CST into a specified buffer.
3489 (native_encode_int): New function.
3490 (native_encode_real): New function.
3491 (native_encode_complex): New function.
3492 (native_encode_vector): New function.
3493 (native_interpret_expr): Inverse of native_encode_expr to convert
3494 a target representation into an INTEGER_CST, REAL_CST etc...
3495 (native_interpret_int): New function.
3496 (native_interpret_real): New function.
3497 (native_interpret_complex): New function.
3498 (native_interpret_vector): New function.
3499 (fold_view_convert_expr): New function to constant fold/evaluate
3500 a VIEW_CONVERT_EXPR of a suitable constant expression.
3501 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3502 Change call of build1 to fold_build1 when constructing a
3505 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3506 Ulrich Weigand <uweigand@de.ibm.com>
3509 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3512 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3515 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3516 optimize to lo_sum for DFmode if !TARGET_FPRS.
3518 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3520 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3521 delete_alias_info, compute_flow_sensitive_aliasing,
3522 group_aliases): Use VEC instead of VARRAY.
3523 * tree-ssa-structalias.c (update_alias_info): Likewise.
3524 * tree-ssa-structalias.h (alias_info): Change the type of
3525 processed_ptrs to VEC(tree,heap) *.
3527 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3530 * config/sh/lib1funcs.h: New file, broken out of:
3531 * config/sh/lib1funcs.asm.
3532 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3534 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3535 * config/sh/lib1funcs-Os-4-200.asm: New file.
3536 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3537 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3538 (EXTRA_MULTILIB_PARTS): Include it.
3539 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3540 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3541 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3542 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3545 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3547 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3548 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3549 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3551 * tree-ssa-live.h: Include vecprim.h.
3552 (tree_partition_associator_d): Change the type of
3553 first_partition to VEC(int,heap) *.
3554 (tpa_first_partition): Use VEC instead of VARRAY.
3556 * Makefile.in (GTFILES): Move functions.h after tree.h.
3557 * function.c (reset_block_changes, record_block_change,
3558 check_block_change, free_block_changes): Use VEC instead of
3560 * function.h (function): Change the type of
3561 ib_boundaries_block to VEC(tree,gc) *.
3562 * tree-inline.c (copy_cfg_body): Initialize
3563 ib_boundaries_block to NULL instead of (varray_type) 0.
3565 2006-04-12 Roger Sayle <roger@eyesopen.com>
3567 * expr.c (emit_group_store): Correct operand order in call to
3568 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3569 a SUBREG_BYTE of zero.
3571 2006-04-12 Richard Guenther <rguenther@suse.de>
3573 * profile.c (compute_branch_probabilities): Remove code
3574 encapsulated in !ir_type (), which are remanents of the
3575 removed RTL profiling code.
3576 * rtl-profile.c: Remove.
3578 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3580 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3581 magic NULL_RTX comment.
3582 (function_arg): Store entire fp arg to mem if any part should go
3584 (rs6000_arg_partial_bytes): Adjust for above change.
3586 2006-04-11 Roger Sayle <roger@eyesopen.com>
3588 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3589 if it hasn't been initialized by dwarf2out_init.
3591 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3593 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3594 symbolic constants in branch patterns.
3596 2006-04-11 Roger Sayle <roger@eyesopen.com>
3598 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3600 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3602 PR rtl-optimization/27073
3603 * gcse.c (try_replace_reg): Revert last change. Continue to search
3604 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3607 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3609 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3610 aggregate types other than record and union types.
3611 (function_arg): Likewise.
3612 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3614 (function_value): In 64-bit mode, return objects that require it
3617 2006-04-11 Roger Sayle <roger@eyesopen.com>
3619 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3621 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3623 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3625 2006-04-03 Jeff Law <law@redhat.com>
3628 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3629 alias information too.
3631 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3633 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3635 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3638 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3639 (premark_used_types_helper): New.
3640 (premark_used_types): New.
3641 (gen_subprogram_die): Call premark_used_types.
3642 (prune_unused_types_walk): Do not prune perennial dies.
3643 * function.c (used_types_insert): New.
3644 * function.h (struct function): Add used_types_hash field.
3645 (used_types_insert): Add prototype.
3646 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3647 * c-parser.c (c_parser_cast_expression): Save casted types in used
3650 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3653 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3654 rs6000_explicit_options.float_gprs.
3656 2006-04-10 Roger Sayle <roger@eyesopen.com>
3658 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3659 from ix86_expand_vector_init_low_nonzero. Take an additional
3660 one_var argument indicating which element is non-zero. Support
3661 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3662 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3663 with one_var instead of ix86_expand_vector_init_low_nonzero.
3665 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3667 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3668 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3669 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3670 build/genextract.o): Depend on vecprim.h.
3671 * cfglayout.c, df-problems.c, function.c, genextract.c,
3672 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3673 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3677 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3679 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3680 Declare VECs of this type.
3681 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3682 (remove_children): Delete.
3683 (add_dwarf_attr): Use VEC routines.
3684 (add_AT_flag): Update for changes to add_dwarf_attr.
3685 (add_AT_int): Likewise.
3686 (add_AT_unsigned): Likewise.
3687 (add_AT_long_long): Likewise.
3688 (add_AT_vec): Likewise.
3689 (add_AT_string): Likewise.
3690 (add_AT_die_ref): Likewise.
3691 (add_AT_fde_ref): Likewise.
3692 (add_AT_loc): Likewise.
3693 (add_AT_loc_list): Likewise.
3694 (add_AT_addr): Likewise.
3695 (add_AT_lbl_id): Likewise.
3696 (add_AT_lineptr): Likewise.
3697 (add_AT_macptr): Likewise.
3698 (add_AT_offset): Likewise.
3699 (add_AT_range_list): Likewise.
3700 (get_AT): Use VEC_iterate.
3701 (remove_AT): Use VEC_ordered_remove.
3702 (free_die): Fold remove_children into here; have it use VEC_iterate.
3703 (print_die): Use VEC_iterate on attrs.
3704 (reverse_die_lists): Don't reverse attr lists.
3705 (die_checksum): Use VEC_iterate on attrs.
3706 (same_die_p): Likewise.
3707 (output_location_lists): Likewise.
3708 (build_abbrev_table): Likewise.
3709 (size_of_die): Likewise.
3710 (unmark_all_dies): Likewise.
3711 (output_abbrev_section): Likewise.
3712 (output_die): Likewise.
3713 (prune_unused_types_walk_attribs): Likewise.
3715 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3717 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3719 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3722 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3724 2006-04-09 Roger Sayle <roger@eyesopen.com>
3726 * expr.c (store_constructor): Don't bother clearing target if
3727 we're about to assign a vector to it using vec_init_optab.
3729 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3731 * tree-ssa-alias.c (lhs_may_store_to): New function.
3732 (recalculate_used_alone): Handle LHS of calls.
3734 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3738 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3739 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3740 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3741 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3742 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3743 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3744 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3745 stubs. Add ".align 8" directives before all ".dword" directives.
3746 (GTHREAD_USE_WEAK): Revise comment.
3747 (TARGET_ATTRIBUTE_WEAK): Define.
3748 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3749 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3750 * stublib.c: New file.
3755 * pa.md (cbranch patterns): Revise arguments used in calls to
3756 output_cbranch, output_bb and output_bvd. Add long branch length
3758 (fbranch patterns): Handle long branches.
3759 (jump): Revise length check. Revise arguments for output_lbranch call.
3760 Add long branch length attributes.
3761 (decrement_and_branch_until_zero): Add long branch length attributes.
3762 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3763 Likewise. Revise arguments for output_parallel_addb and
3764 output_parallel_movb calls.
3765 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3766 output_parallel_movb and output_parallel_addb): Update prototypes.
3767 * pa.c (output_cbranch): Revise arguments. Correct handling of
3768 nullification in long branches.
3769 (output_lbranch): Add new argument to control extraction of delay
3771 (output_bb): Handle long branches.
3772 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3773 output_parallel_addb): Likewise.
3775 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3777 PR rtl-optimization/27073
3778 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3781 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3783 * tree.h (tree_memory_tag): Add old_used_alone.
3784 (SMT_OLD_USED_ALONE): New macro.
3785 * tree-ssa-alias.c (recalculate_used_alone): Stop
3786 marking things for renaming unnecessarily.
3788 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3790 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3791 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3792 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3793 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3794 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3795 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3796 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3797 spelling convensions.
3798 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3799 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3800 typos. Follow spelling conventions.
3802 2006-04-07 DJ Delorie <dj@redhat.com>
3804 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3805 passed on the stack.
3806 (m32c_init_cumulative_args): When a function returns a structure,
3807 always pass the pointer to that return area on the stack.
3808 (m32c_function_arg_advance): Don't increment the parameter number
3809 if we're processing the returned structure pointer.
3810 (pushm_info): Reverse order of registers.
3812 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3814 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3815 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3816 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3817 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3819 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3820 chrec_fold_multiply): Same.
3821 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3822 force_expr_to_var_cost): Same.
3823 * tree-mudflap.c (mf_xform_derefs_1): Same.
3824 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3826 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3828 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3829 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3832 2006-04-07 Jan Hubicka <jh@suse.cz>
3834 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3836 2006-04-07 Richard Guenther <rguenther@suse.de>
3838 PR tree-optimization/26135
3839 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3840 loads for store copy-prop.
3841 (copy_prop_visit_stmt): Likewise.
3843 2006-04-05 Robert Millan <robertmh@gnu.org>
3845 * config/i386/linux.h: Add a comment to mark macros that are
3846 being overriden in config/k*bsd-gnu.h.
3847 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3849 * config/knetbsd-gnu.h: Ditto.
3851 2006-04-06 Jan Hubicka <jh@suse.cz>
3855 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3858 2006-04-06 Mike Stump <mrs@apple.com>
3860 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3861 for HAVE_nonlocal_goto to be consistent.
3862 (expand_builtin_nonlocal_goto): Likewise.
3863 (expand_builtin_strcmp): Use #ifdef instead of #if
3864 for HAVE_cmpstrnsi to be consistent.
3866 2006-04-05 DJ Delorie <dj@redhat.com>
3868 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3871 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3873 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3874 got-relative addressing for anything but SImode.
3876 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3877 even if the calling function doesn't modify them.
3879 2006-04-05 Richard Guenther <rguenther@suse.de>
3881 PR tree-optimization/26919
3882 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3883 to cgraph_estimate_size_after_inlining.
3885 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3887 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3889 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3891 PR tree-optimization/26996
3892 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3893 VECTOR_TYPE variables.
3895 2006-04-05 Richard Guenther <rguenther@suse.de>
3897 PR tree-optimization/26763
3898 * fold-const.c (fold_comparison): Move folding of
3899 PTR + CST CMP PTR + CST ...
3900 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3902 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3904 * doc/install.texi (Prerequisites): Refine some wording on
3905 bootstrapping and ksh.
3906 Move the version numbers of DejaGnu here from the testing section
3907 and fix casing of names.
3908 Fix markup and clarify wording for autogen requirements.
3909 Refer to GCJ instead of just java.
3910 Refer to SVN instead of CVS.
3911 Describe diffutils as useful instead of necessary.
3912 (Downloading the source): Refer to SVN instead of CVS.
3913 Adjust a link to our web site accordingly.
3914 (Configuration): Fix casing of Bison.
3915 (Building): Refer to SVN instead of CVS.
3916 Fix a sentence on the use of Bison and remove duplicate (and
3917 incorrect) version number of Bison requirement.
3918 Remove one redundant list of packages needed for building.
3919 (Specific): Avoid reference to CVS.
3921 2006-04-04 Eric Christopher <echristo@apple.com>
3923 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3924 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3925 (rs6000_handle_struct_attribute): New.
3926 (rs6000_ms_bitfield_layout_p): Ditto.
3928 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3930 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3931 NULL for dso parameter to atexit_common.
3933 2006-04-04 Eric Christopher <echristo@apple.com>
3935 * config/i386/i386.c (machopic_output_stub): Output \t
3936 between instructions and operands.
3938 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3940 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3941 satisfies_constraint_[IL] to explicit tests on value.
3943 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3945 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3946 set_nb_iterations_in_loop): Use build_int_cst instead of
3948 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3949 build_int_cst instead of convert.
3951 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3953 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3954 new value 2 for incoming.
3955 * function.c (expand_function_start): Call struct_value_rtx
3957 * config/sparc/sparc.md: Comment updated_return.
3958 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3959 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3960 struct return if sparc_std_struct_return and incoming is 2.
3961 (print_operand): Do not adjust return if
3962 sparc_std_struct_return.
3964 2006-04-04 Roger Sayle <roger@eyesopen.com>
3966 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3967 convert in the middle-end.
3968 * expr.c (store_expr, store_constructor, get_inner_reference,
3969 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3971 * tree.c (build_range_type): Likewise.
3973 2006-04-04 Tom Tromey <tromey@redhat.com>
3975 * doc/install.texi (Prerequisites): Mention jar.
3977 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3979 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3982 2006-04-04 Matthias Klose <doko@debian.org>
3984 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3985 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3988 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3990 * doc/extend.texi (Function Attributes): Rewrite visibility
3991 attribute documentation.
3992 * doc/invoke.texi (C++ Dialect Options): Rewrite
3993 -fvisibility-inlines-hidden documentation to describe something
3994 entirely different, although in practise compatible.
3995 (Code Gen Options): Warn about system headers in -fvisibility=
3998 * doc/extend.texi (Other Builtins): Document that
3999 __builtin_nan is a compile-time constant only when its argument
4002 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4004 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4005 trying to remove TRUNCATE check if all bits outside the new mode
4006 are identical to the sign bit.
4008 2006-04-03 Jeff Law <law@redhat.com>
4010 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4011 and operand scanning in some common cases.
4013 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4014 Dale Johannesen <dalej@apple.com>
4017 * regclass.c (struct reg_pref): Update documentation.
4018 (regclass): Set prefclass to NO_REGS if memory is the best option.
4019 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4020 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4021 into account. For non-registers, equate an empty preferred
4022 reload class to a `!' in the constraint; move the if clause to
4023 do so after those that reject the insn.
4024 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4026 (find_dummy_reload): Likewise.
4027 * doc/tm.texi (Register Classes): Document what it means
4028 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4029 * config/i386/i386.c (ix86_preferred_reload_class): Force
4030 using SSE registers (and return NO_REGS for floating-point
4031 constants) if math is done with SSE.
4032 (ix86_preferred_output_reload_class): New.
4033 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4034 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4035 * config/i386/i386.md: Remove # register preferences.
4037 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4040 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4041 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4042 the type of nb_iter.
4043 (instantiate_parameters_1): Convert the operands before calling
4044 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4045 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4047 2006-04-02 Roger Sayle <roger@eyesopen.com>
4049 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4050 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4052 * dojump.c (do_jump): Likewise.
4053 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4054 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4055 gimplify_boolean_expr): Likewise.
4056 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4057 * varasm.c (array_size_for_constructor): Likewise.
4058 * tree-object-size.c (compute_object_offset): Likewise.
4060 2006-04-02 Roger Sayle <roger@eyesopen.com>
4063 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4064 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4066 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4068 PR tree-optimization/26939
4069 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4071 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4073 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4074 at_stmt. Convert the type of operands before calling
4075 build_polynomial_chrec.
4076 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4078 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4079 (instantiate_parameters_1): Convert the type of operands before calling
4080 build_polynomial_chrec.
4081 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4082 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4083 reset_evolution_in_loop): Insert asserts to check the types of the
4085 (chrec_type): Moved...
4086 (eq_evolutions_p): Use operand_equal_p.
4087 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4088 the types of the operands.
4089 (chrec_type): ...here.
4090 * tree-data-ref.c (create_data_ref): Convert the operands before
4091 calling chrec_replace_initial_condition.
4092 (same_access_functions, analyze_subscript_affine_affine,
4093 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4094 (compute_subscript_distance, analyze_ziv_subscript,
4095 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4096 analyze_miv_subscript): Convert the operands before calling
4097 chrec_fold_minus or chrec_fold_plus.
4099 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4101 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4102 the dependence_relations vector.
4103 (compute_data_dependences_for_loop): Adjust call to
4104 compute_all_dependences.
4106 2006-04-01 Roger Sayle <roger@eyesopen.com>
4107 Richard Henderson <rth@redhat.com>
4109 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4110 gimple_boolify on the condition before calling gimplify_expr.
4112 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4114 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4115 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4116 the frame size. Update to use the new macros.
4117 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4118 * config/xtensa/ieee754-df.S: Likewise.
4120 2006-03-31 Richard Henderson <rth@redhat.com>
4122 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4123 (make_edges): ... here. Control fallthru creation with a local
4124 variable. Do not play with fake edges.
4125 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4126 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4129 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4131 * dwarf2.h (DW64_CIE_ID): Define.
4132 * dwarf2out.c (DWARF_CIE_ID): Define.
4133 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4134 length header. Use DWARF_CIE_ID.
4135 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4136 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4138 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4140 * config/sh/linux-atomic.asm: New file.
4141 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4143 2006-03-31 DJ Delorie <dj@redhat.com>
4145 * config/m32c/cond.md: Set condition flags properly throughout.
4146 * config/m32c/minmax.md: Likewise.
4147 * config/m32c/prologue.md: Likewise.
4148 * config/m32c/bitops.md: Likewise.
4149 * config/m32c/muldiv.md: Likewise.
4150 * config/m32c/mov.md: Likewise.
4151 * config/m32c/addsub.md: Likewise.
4152 * config/m32c/m32c.md: Likewise.
4153 * config/m32c/jump.md: Likewise.
4154 * config/m32c/shift.md: Likewise.
4156 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4157 conditionally output the pattern for this.
4158 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4159 (m32c_compare_redundant): New.
4160 (m32c_output_compare): New.
4161 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4163 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4164 dest, not src. Allow other 4-byte modes.
4166 2006-03-30 Denis Chertykov <denisc@overta.ru>
4168 * doc/md.texi: Refer to avr/constraints.md instead of
4171 2006-03-30 Roger Sayle <roger@eyesopen.com>
4173 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4174 signed vs. unsigned comparison failures on some hosts.
4176 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4179 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4180 change to FLOAT_REGS.
4182 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4183 (rs6000_override_options): Use it.
4184 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4185 only for -mabi=spe/no-spe and -mabi=altivec.
4187 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4189 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4192 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4194 * Makefile.in: Rename docdir to gcc_docdir.
4196 2006-03-30 Roger Sayle <roger@eyesopen.com>
4199 * expr.c (emit_group_store): Optimize group stores into a pseudo
4200 register by using a paradoxical subreg to initialize the destination
4201 if the first or last member of the group specifies a "low part".
4203 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4206 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4207 * target.h (struct gcc_target.speculate_insn): Change type of the
4208 second parameter to 'int'.
4209 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4210 the second operand of the DEPS_LIST.
4211 (copy_DEPS_LIST_list): Update reference to the second operand of the
4213 * rtl.h (alloc_DEPS_LIST): Update signature.
4214 * sched-int.h (ds_t): Change typedef to 'int'.
4215 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4217 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4219 * haifa-sched.c (try_ready): Change condition to restore
4220 non-speculative pattern of the instruction.
4221 (process_insn_depend_be_in_spec): Code to keep probability of the
4222 speculative dependence non-decreasing.
4224 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4226 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4227 (single_move_for_movmem): ... this. Also change all uses.
4228 (bfin_expand_strmov): Renamed to...
4229 (bfin_expand_movmem): ... this. Also change all uses.
4230 * config/bfin/bfin.md (movstrsi): Renamed to...
4231 (movstrsi): ...this.
4233 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4235 PR tree-optimization/26830
4237 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4238 (copy_prop_visit_stmt): Remove write-only variable ann.
4239 (init_copy_prop): Check variable loop depth here. Do not simulate
4240 memory-tag and virtual operand PHIs except for store copy prop.
4242 2006-03-30 Richard Guenther <rguenther@suse.de>
4244 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4245 variants with double arguments.
4247 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4249 * genpreds.c (write_tm_constrs_h): Delete variable p.
4250 * genconditions.c (write_header): Add tm-constrs.h to included
4252 * genpeep.c (main): Add toplev.h to included headers.
4253 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4254 (build/genpeep.o): Add toplev.h dependency.
4255 * config/rs6000/constraints.md: Add "W" constraint.
4257 2006-03-29 Roger Sayle <roger@eyesopen.com>
4259 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4260 sizes by correctly testing whether the size fits a host integer.
4261 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4262 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4263 SImode range for the default sizetype and bitsizetype.
4265 2006-03-29 Roger Sayle <roger@eyesopen.com>
4267 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4268 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4269 quickly if the argument is already of the correct type.
4270 Call fold_build1 instead of build1. Tidy up blank lines.
4272 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4274 * genemit.c (main): Add tm-constrs.h to included headers.
4275 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4276 * genpeep.c (main): Add tm-constrs.h to included headers.
4277 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4278 (write_tm_constrs_h): this and write complete file.
4279 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4280 (write_insn_preds_c): Add tm-constrs.h to included headers.
4281 (gen_constrs): New variable.
4282 (parse_option): Parse "-c".
4283 (main): Invoke write_tm_constrs_h.
4284 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4285 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4286 (object_out_file): Add tm-constrs.h dependency.
4287 (insn-emit.o): Same.
4288 (insn-output.o): Same.
4289 (insn-peep.o): Same.
4290 (insn-preds.o): Same.
4291 (insn-recog.o): Same.
4292 (tm-constsr.h): New target.
4293 (s-constrs-h): New target.
4295 * config/rs6000/constraints.md: New file.
4296 * config/rs6000/rs6000.c: Include tm-constrs.h.
4297 (num_insn_constant_wide): Convert to satisfies_constraint.
4298 (rs6000_rtx_costs): Convert to satisfies_constraint.
4299 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4300 (CONST_OK_FOR_LETTER_P): Delete.
4301 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4302 (EXTRA_CONSTRAINT): Delete.
4303 (EXTRA_MEMORY_CONSTRAINT): Delete.
4304 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4305 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4306 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4307 satisfies_constraint.
4309 * config/i386/i386.c: Include tm-constrs.h.
4311 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4313 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4314 * tree-data-ref.c (find_data_references_in_loop,
4315 compute_data_dependences_for_loop): Use pointers to VEC.
4316 (analyze_all_data_dependences): Adjust calls.
4317 * tree-data-ref.h (find_data_references_in_loop,
4318 compute_data_dependences_for_loop): Adjust declarations.
4319 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4320 compute_data_dependences_for_loop.
4322 2006-03-29 Paul Brook <paul@codesourcery.com>
4324 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4327 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4329 PR tree-optimization/26859
4330 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4332 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4333 for the step after fold_convert.
4335 2006-03-29 Paul Brook <paul@codesourcery.com>
4337 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4338 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4340 2006-03-29 Paul Brook <paul@codesourcery.com>
4343 * targhooks.c (default_narrow_bitfield): New fuction.
4344 * targhooks.h (default_narrow_bitfield): add prototype.
4345 * target.h (gcc_target): Add narrow_volatile_bitfield.
4346 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4347 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4348 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4349 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4351 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4353 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4355 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4356 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4357 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4358 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4359 (s390_function_arg_float): Allow SDmode and DDmode values to be
4360 passed in floating point registers.
4361 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4362 check with SCALAR_FLOAT_MODE_P.
4363 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4365 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4367 PR tree-optimization/25985
4368 * tree-ssa-loop-niter.c (number_of_iterations_le,
4369 number_of_iterations_ne): Make comments more precise.
4370 (number_of_iterations_cond): Add only_exit argument. Use the
4371 fact that signed variables do not overflow only when only_exit
4373 (loop_only_exit_p): New.
4374 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4375 number_of_iterations_cond.
4377 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4379 PR tree-optimization/26643
4380 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4383 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4385 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4386 (divsi3_i4_int): Likewise.
4388 2006-03-28 Roger Sayle <roger@eyesopen.com>
4390 * expr.c (emit_group_store): Only create a new pseudo reg if the
4391 quantity it needs to hold isn't already a suitable pseudo.
4393 2006-03-28 Jeff Law <law@redhat.com>
4395 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4396 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4398 2006-03-28 Roger Sayle <roger@eyesopen.com>
4400 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4401 the equivalent ~X & Y, and the symmetry related transformations.
4402 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4403 ~X & Y, and symmetry related transforms.
4405 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4407 Revert my 2006-03-27 patches.
4409 2006-03-28 Roger Sayle <roger@eyesopen.com>
4411 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4412 ~(T1)X, when T1 and T2 are integer types of the same precision
4413 and (T2)X isn't an extension.
4415 2006-03-28 Jeff Law <law@redhat.com>
4417 PR tree-optimization/26796
4418 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4419 need EH edge cleanups rather than purging them immediately.
4420 (eliminate_degenerate_phis): Handle queued EH cleanups.
4422 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4424 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4427 2006-03-27 Roger Sayle <roger@eyesopen.com>
4430 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4431 cast BIT_NOT_EXPR operand to the correct type.
4433 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4435 * tree-loop-linear.c: Don't include varray.h.
4436 (gather_interchange_stats, try_interchange_loops,
4437 linear_transform_loops): Use VEC instead of VARRAY.
4438 * lambda-mat.c: Don't include varray.h.
4439 * tree-chrec.c: Same.
4440 * lambda-trans.c: Same.
4441 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4442 VEC instead of VARRAY.
4443 * tree-vectorizer.h: Idem.
4444 * tree-data-ref.c (dump_data_references,
4445 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4446 initialize_data_dependence_relation, finalize_ddr_dependent,
4447 compute_all_dependences, find_data_references_in_loop,
4448 compute_data_dependences_for_loop, analyze_all_data_dependences,
4449 free_dependence_relation, free_dependence_relations,
4450 free_data_refs): Idem.
4451 * tree-data-ref.h (data_reference_p, subscript_p): New.
4452 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4453 VEC instead of VARRAY.
4454 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4455 (find_data_references_in_loop, compute_data_dependences_for_loop,
4456 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4457 dump_data_dependence_relations, free_dependence_relations,
4458 free_data_refs): Adjust declaration.
4459 (lambda_transform_legal_p): Move declaration here...
4460 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4461 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4462 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4463 vect_analyze_data_refs): Use VEC instead of VARRAY.
4464 * lambda.h (lambda_transform_legal_p): ...from here.
4465 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4466 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4467 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4468 tree-chrec.o): Don't depend on VARRAY_H.
4470 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4472 * rtl.def (Copyright): Update date.
4473 (DEPS_LIST): Change type of the second operand to 'int'.
4474 * target.h (Copyright): Update date.
4475 (struct gcc_target.speculate_insn): Change type of the second parameter
4477 * lists.c (Copyright): Update date.
4478 (alloc_DEPS_LIST): Change signature. Update reference to the second
4479 operand of the DEPS_LIST.
4480 (copy_DEPS_LIST_list): Update reference to the second operand of the
4482 * rtl.h (Copyright): Update date.
4483 (alloc_DEPS_LIST): Update signature.
4484 * sched-int.h (Copyright): Update date.
4485 (ds_t): Change typedef to 'int'.
4486 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4488 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4490 * haifa-sched.c (Copyright): Update date.
4491 (try_ready): Change condition to restore non-speculative pattern
4493 (process_insn_depend_be_in_spec): Code to keep probability of the
4494 speculative dependence non-decreasing.
4496 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4498 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4499 shut up the compiler.
4501 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4503 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4504 to use lib prefix for target.
4505 ($(T)libic_invalidate_array_4-200.a): Likewise.
4506 ($(T)libic_invalidate_array_4a.a): Likewise.
4508 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4509 J"orn Rennecke <joern.rennecke@st.com>
4511 * superh.opt: New file.
4512 * sh.c (boardtype, osruntime): Remove.
4513 * superh.h (SUBTARGET_OPTIONS): Remove.
4514 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4516 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4517 arguments with ^ and/or [].
4519 * config.gcc (sh-*-*): Add quoting to account for quirk of
4521 Replace == with = in enable_incomplete_targets test.
4523 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4524 with MASK_LITTLE_ENDIAN.
4526 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4527 * config/sh/sh.opt: Added to some comments.
4528 * config/sh/superh.h: Removed some chaff.
4530 * config/sh/sh.opt: Add m4-[1234]00* options.
4531 * config/sh/sh.c (sh_handle_option): Likewise.
4532 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4533 (ic_invalidate_array_4-100.o): New rule.
4534 ($(T)libic_invalidate_array_4-100.a): Likewise.
4535 (ic_invalidate_array_4-200.o): Likewise.
4536 ($(T)libic_invalidate_array_4-200.a): Likewise.
4537 (ic_invalidate_array_4a.o): Likewise.
4538 ($(T)libic_invalidate_array_4a.a): Likewise.
4539 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4540 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4542 * config/sh/crt1.asm: Merged in profiling code.
4543 * config/sh/superh.h (STARTFILE_SPEC): Override.
4544 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4545 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4546 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4548 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4549 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4550 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4552 * sh.opt (mpretend-cmove): New option.
4553 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4554 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4555 (movsicc): Add TARGET_PRETEND_CMOVE code.
4557 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4559 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4560 s390_class_max_nregs): New function prototypes.
4561 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4562 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4563 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4564 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4566 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4568 * dwarf2out.c (add_location_or_const_value_attribute): Call
4569 tree_add_const_value_attribute if nothing else works.
4570 (reference_to_unused): New.
4571 (rtl_for_decl_init): Use reference_to_unused to decide whether
4572 to output an initializer.
4574 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4577 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4578 peephole removing spe frob_di_df_2.
4580 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4582 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4583 (subscript_dependence_tester_1): Declared.
4584 (print_dir_vectors, print_dist_vectors): New.
4585 (debug_data_dependence_relation): New.
4586 (dump_data_dependence_relation): Print more details.
4587 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4588 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4589 (save_dist_v, save_dir_v, add_outer_distances,
4590 build_classic_dist_vector_1): New.
4591 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4592 Don't test for lambda_vector_lexico_pos.
4593 (same_access_functions, add_multivariate_self_dist,
4594 add_other_self_distances, dir_from_dist): New.
4595 (build_classic_dir_vector): Replace implementation almost identical to
4596 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4598 (subscript_dependence_tester_1): New.
4599 (subscript_dependence_tester): Handle the lexicographically negative
4600 distance vectors by recomputing the dependence relation.
4601 (compute_affine_dependence): Remove parameter loop_nest_depth.
4602 (compute_self_dependence): Don't call compute_subscript_distance.
4603 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4604 Add a parameter for the loop_nest.
4605 (find_loop_nest_1, find_loop_nest): New.
4606 (compute_data_dependences_for_loop): Compute the loop nest, and give
4607 up if the nest is not well formed.
4608 * tree-data-ref.h (loop_p): New.
4609 (struct data_dependence_relation): Replace size_vect field with
4610 loop_nest, a vec of loops.
4611 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4612 (DDR_LOOP_NEST): New.
4613 (print_dir_vectors, print_dist_vectors,
4614 debug_data_dependence_relation): Declared.
4615 (index_in_loop_nest): New.
4616 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4617 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4620 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4622 * simplify-rtx.c (simplify_relational_operation): Call
4623 simplify_relational_operation_1 even if mode is VOIDmode.
4625 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4627 PR tree-optimization/26804
4628 * tree.h (DECL_CALL_CLOBBERED): New macro.
4629 (tree_decl_common): Add call_clobbered_flag.
4630 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4631 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4632 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4633 (mark_non_addressable): Ditto.
4634 * tree-ssa.c (verify_call_clobbered): New function.
4635 (verify_alias_info): Use it.
4636 * tree-pass.h (pass_reset_cc_flags): New prototype.
4637 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4638 (reset_cc_flags): New function.
4639 * passes.c (init_optimization_passes): Call reset_cc_flags after
4640 initializing referenced_vars.
4642 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4643 Roger Sayle <roger@eyesopen.com>
4646 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4647 to 1.0 for non-real operands. Implement A / A optimization for
4650 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4652 * config/i386/i386.c (size_cost): Correct the comment for
4653 cost of storing fp registers.
4654 (i386_cost): Likewise.
4655 (i486_cost): Likewise.
4656 (pentium_cost): Likewise.
4657 (pentiumpro_cost): Likewise.
4658 (k6_cost): Likewise.
4659 (athlon_cost): Likewise.
4660 (k8_cost): Likewise.
4661 (pentium4_cost): Likewise.
4662 (nocona_cost): Likewise.
4663 (generic64_cost): Likewise.
4664 (generic32_cost): Likewise.
4666 2006-03-24 Denis Chertykov <denisc@overta.ru>
4668 * config/avr/avr-protos.h (extra_constraint): Delete.
4669 (extra_constraint_Q): New declaration.
4670 * config/avr/constraints.md: New file.
4671 * config/avr/avr.md: Include it.
4672 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4673 (TMP_REGNO, ZERO_REGNO): Likewise.
4674 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4675 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4676 (extra_constraint): Delete.
4677 (extra_constraint_Q): Test for memory constraint 'Q'.
4678 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4679 (REG_CLASS_FROM_LETTER): Delete.
4680 (CONST_OK_FOR_LETTER_P): Delete.
4681 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4682 (EXTRA_CONSTRAINT): Delete.
4683 (TMP_REGNO): Delete.
4684 (ZERO_REGNO): Delete.
4686 2006-03-24 Jeff Law <law@redhat.com>
4688 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4689 directly. Call mark_new_vars_to_rename slightly earlier.
4691 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4693 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4695 (gen_compile_unit_die): Use new language types for Objective-C and
4697 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4698 DW_LANG_C_plus_plus.
4701 * config/t-darwin (crt3.o): Work around bug 26840.
4702 * config/darwin-crt3.c: Rewrite.
4703 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4705 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4707 * doc/invoke.texi: Document -femit-class-debug-always
4708 * common.opt: Add -femit-class-debug-always.
4710 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4712 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4713 index and base register.
4714 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4715 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4716 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4717 REGNO_OK_FOR_INDEX_P.
4718 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4720 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4721 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4722 REG_OK_FOR_BASE_P): Definitions removed.
4724 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4727 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4728 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4729 set yet or weren't marked as local yet.
4731 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4733 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4736 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4738 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4739 (rs6000_legitimate_small_data_p): Delete.
4740 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4741 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4742 and make static. Add forward declaration. Update uses.
4743 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4744 of offsettable_memref_p.
4745 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4746 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4748 2006-03-24 Jeff Law <law@redhat.com>
4750 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4751 around bug in immediate-use iterator.
4753 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4756 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4757 or __LITTLE_ENDIAN__.
4759 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4761 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4762 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4763 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4764 * config/sh/sh.opt (mdiv=): Amend description.
4765 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4766 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4767 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4768 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4769 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4770 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4771 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4772 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4773 TARGET_DIVIDE_CALL_FP.
4775 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4777 * haifa-sched.c (choose_ready): Fix type of the local variable.
4778 Move local variables. Add comment.
4779 (check_reg_live): Change signature. Make callable from debugger.
4780 * sched-int.h (check_reg_live): Update signature.
4781 * sched-ebb.c (check_reg_live): Update parameters.
4782 * sched-rgn.c (check_reg_live): Ditto.
4783 (region_head_or_leaf_p): Check pointer before dereferencing.
4784 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4785 before reload on optimization levels below 1.
4787 2006-03-23 Richard Henderson <rth@redhat.com>
4789 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4793 * config/alpha/predicates.md (local_symbolic_operand): Reject
4796 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4799 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4800 expressions which have overflowed constants.
4802 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4804 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4806 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4808 * cfgloopmanip.c (create_loop_notes): Removed.
4809 * final.c (final_scan_insn): Do not handle loop notes.
4810 * jump.c (squeeze_notes): Ditto.
4811 * cfglayout.c (skip_insns_after_block,
4812 duplicate_insn_chain): Ditto.
4813 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4815 * cfgloop.h (create_loop_notes): Declaration removed.
4817 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4819 * varasm.c (output_constant_pool): Restore fnname and fndecl
4821 (assemble_start_function): Adjust call accordingly.
4822 (assemble_end_function): Likewise.
4824 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4827 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4830 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4832 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4835 * system.h (ICE_EXIT_CODE): New macro.
4836 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4837 (diagnostic_action_after_output): Likewise.
4838 * gcc.c (fatal_ice): New function.
4839 (execute): Use it instead of fatal.
4840 (fancy_abort): Likewise.
4841 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4843 2006-03-22 Jeff Law <law@redhat.com>
4845 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4846 iv_analyze_result returning false.
4848 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4850 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4852 2006-03-22 Richard Henderson <rth@redhat.com>
4855 * except.c (duplicate_eh_regions_0): New.
4856 (duplicate_eh_region_1): Duplicate the children of the node as
4857 well as the node itself. Link them up properly.
4858 (duplicate_eh_region_2): Merge into ...
4859 (duplicate_eh_regions): ... here. Take copy_region argument, and
4860 copy only a sub-tree if asked. Simplify copying and fixup.
4861 (eh_region_outer_p): New.
4862 * except.h (duplicate_eh_regions): Update decl.
4863 (eh_region_outer_p): Declare.
4864 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4865 (lower_omp_master): Likewise.
4866 (lower_omp_ordered): Likewise.
4867 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4868 (move_stmt_r): Use it to remap labels. Handle recursion vs
4869 remap_decls_p properly.
4870 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4871 (find_outermost_region_in_block): New.
4872 (new_label_mapper): New.
4873 (move_sese_region_to_fn): Copy eh information to the new function
4875 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4877 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4880 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4882 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4883 into shared libraries.
4885 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4887 * doc/md.texi: Refer to i386/constraints.md instead of
4889 * config/i386/constraints.md: New file, extracted from...
4890 * config/i386/predicates.md: ...here.
4891 * config/i386/i386.md: Include constraints.md.
4893 2006-03-21 Jason Merrill <jason@redhat.com>
4895 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4898 * expr.c (init_block_move_fn): Force default visibility.
4899 (init_block_clear_fn): Likewise.
4900 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4901 * targhooks.c (default_external_stack_protect_fail): Likewise.
4903 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4905 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4906 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4907 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4908 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4909 (loadgp): Use mips_current_loadgp_style.
4910 (loadgp_noshared): New pattern.
4911 (sibcall_internal): Use MIPS_CALL.
4912 (sibcall_value_internal): Likewise.
4913 (sibcall_value_multiple_internal): Likewise.
4914 (call_internal): Likewise.
4915 (call_value_internal): Likewise.
4916 (call_value_multiple_internal): Likewise.
4917 (call_split): Use MIPS_CALL and add an 'S' constraint.
4918 (call_value_split): Likewise.
4919 (call_value_multiple_split): Likewise.
4920 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4921 (-mshared): New option.
4922 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4923 (mips_current_loadgp_style): Declare.
4924 * config/mips/mips.c (mips_classify_symbol): Avoid using
4925 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4926 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4927 TARGET_ABSOLUTE_ABICALLS.
4928 (override_options): Adjust comments. Improve the warning that is
4929 issued when -mabicalls and -G are used together.
4930 (mips_file_start): Remove comment.
4931 (mips_current_loadgp_style): New function.
4932 (mips_gnu_local_gp): New variable.
4933 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4935 (mips_output_function_prologue): Use mips_current_laodgp_style.
4936 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4937 the cprestore instruction.
4938 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4939 live for TARGET_ABSOLUTE_ABICALLS.
4940 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4941 (ASM_SPEC): Pass down -mshared and -mno-shared.
4942 (MIPS_CALL): New macro.
4943 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4945 * doc/invoke.texi (-mabicalls): Update documentation.
4946 (-mshared): Document.
4948 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4950 * config/ia64/unwind-hpux.c: New file.
4951 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4953 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4956 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4958 2006-03-21 Jeff Law <law@redhat.com>
4960 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4961 type conversions of a VR_VARYING source to a wider type.
4963 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4965 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4966 tm_file on Solaris 10 and later.
4967 (sparc64-*-solaris2*): Likewise.
4968 (sparc-*-solaris2*): Likewise.
4969 * config/sol26.h: Rename to config/sol2-6.h.
4970 * config/sol2-10.h: New file.
4972 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4975 * tree-ssa-pre.c (create_component_ref_by_pieces):
4978 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4981 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4982 return it immediately.
4984 2006-03-21 Michael Matz <matz@suse.de>
4986 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4988 (remove_arc, add_arc): Update num_out_arcs member.
4989 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4991 (cache_presence): New function.
4992 (compare_states_for_equiv): New function.
4993 (state_is_differed): Don't take number of outargs, adjust callers.
4994 Use new invariant for speeding up.
4995 (init_equiv_class): Create initial classes based on sorted
4997 (partition_equiv_class): Don't track out_arcs_num.
4998 (evaluate_equiv_classes): Call cache_presence on all states and
5001 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5003 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5004 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5005 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5006 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5008 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5009 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5010 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5011 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5012 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5014 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5015 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5016 (REGNO_REG_CLASS): ARGP is in PREGS.
5017 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5019 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5020 to deal with those addresses.
5021 * addresses.h: New file.
5022 * caller-save.c: Include "addresses.h".
5023 (init_caller_save): Use new base_reg_class function.
5024 * rtl-factoring.c: Include "addresses.h".
5025 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5026 * recog.c: Include "addresses.h".
5027 (preprocess_constraints): Use new base_reg_class function.
5028 * regrename.c: Include "addresses.h".
5029 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5030 functions. Keep track of a new var INDEX_CODE to compute valid
5032 (replace_oldest_value_addr): Likewise.
5033 (replace_oldest_value_mem): Use base_reg_class.
5034 * reload.c: Include "addresses.h".
5035 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5036 (find_reloads): Use new base_reg_class function.
5037 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5038 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5039 all callers and prototype changed.
5040 * reload1.c: Include "addresses.h".
5041 (maybe_fix_stack_asms): Use base_reg_class.
5042 * regclass.c: Include "addresses.h".
5043 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5044 (init_reg_autoinc): Use new base_reg_class function.
5045 (record_reg_classes): Likewise.
5046 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5047 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5048 Use new args to compute necessary class.
5050 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5051 regrename.o, rtl-factoring.o): Update dependencies.
5052 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5053 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5054 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5055 REG_OK_FOR_INDEX_P): Delete documentation.
5057 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5059 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5060 from V7 to V9 for Solaris 7 and above.
5062 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5064 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5065 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5066 argument pointers may not alias any other storage.
5067 * common.opt: Define option -fargument-noalias-anything.
5068 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5069 alias semantics is specified by flag_argument_noalias > 2.
5071 2006-03-20 Jeff Law <law@redhat.com>
5073 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5074 (pass_phi_only_cprop): Declare.
5075 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5077 * tree-ssa-dom.c (degenerate_phi_result): New function.
5078 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5079 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5080 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5081 (eliminate_degenerate_phis): Likewise.
5082 (pass_phi_only_cprop): New pass descriptor.
5083 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5084 support code. Callers updated.
5085 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5086 (store_copy_prop): Likewise.
5087 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5089 2006-03-20 Jason Merrill <jason@redhat.com>
5092 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5093 (push_visibility, pop_visibility): Likewise.
5094 * c-pragma.h: Declare them.
5096 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5098 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5100 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5101 parameter and use get_ebb_head_tail.
5102 (sh_md_init_global): Adjust uses of find_regmode_weight.
5104 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5106 * function.h (struct function) <x_tail_recursion_reentry>:
5107 Rename to x_stack_check_probe_note.
5108 (tail_recursion_reentry): Rename to stack_check_probe_note.
5109 * function.c: Replace tail_recursion_reentry with
5110 stack_check_probe_note everywhere.
5111 (expand_function_start): Only emit a note for
5112 stack_check_probe_note with -fstack-protect.
5113 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5115 * emit-rtl.c (remove_unnecessary_notes): Remove.
5116 (pass_remove_unnecessary_notes): Remove.
5117 * rtl.h (remove_unnecessary_notes): Remove prototype.
5118 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5119 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5120 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5122 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5125 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5126 (valid_in_set): Handle ARRAY_REF.
5127 Change "if min_variant or VH" to asserts.
5128 (create_component_ref_by_pieces): Handle ARRAY_REF.
5129 (create_expression_by_pieces): Likewise.
5130 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5132 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5134 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5135 is operand of switch, not str[0].
5137 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5139 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5140 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5142 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5144 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5145 end of insn_extra_address_constraint declaration.
5147 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5149 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5150 (no-sum-in-toc): Same.
5151 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5153 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5154 NO_FP_IN_TOC for -fPIC instead of mask.
5156 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5157 (BOOT_LDFLAGS): Delete.
5159 * config/rs6000/t-aix52: Same.
5161 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5162 (stmsi[345678]_power): New.
5164 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5166 * config/ia64/ia64.opt: Add empty line to end of file.
5168 2006-03-17 Richard Guenther <rguenther@suse.de>
5171 * builtins.c (get_pointer_alignment): For component style references
5172 adjust alignment to the component type alignment. Make sure
5173 to adjust alignment for component access of constants.
5175 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5177 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5180 2006-03-17 Paul Brook <paul@codesourcery.com>
5182 * doc/install.texi: Docuemnt --with-mode.
5183 * config.gcc: Add --with-mode for arm*-*-*.
5184 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5186 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5188 * sh.c (max_labelno_before_reorg): New variable.
5189 (sh_reorg): Initialize it.
5190 (find_barrier): Check max_labelno_before_reorg before using
5191 label_to_alignment. Take length of explicit alignment insns
5192 into account. When seeing a UNSPECV_CONST_END, return it.
5194 * sh.c (fixup_mova): Set mode of affected label to QImode.
5195 (untangle_mova): New function.
5196 (find_barrier): Use it. Check mode of label before decrementing
5198 (sh_reorg): Likewise.
5199 Set mode of all insns back to VOIDmode.
5201 * sh.c (MOVA_LABELREF): New macro.
5202 (mova_p, fixup_mova, sh_reorg): Use it.
5203 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5204 ADDR_DIFF_VEC matches mova.
5206 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5208 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5209 with ATTRIBUTE_UNUSED.
5211 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5213 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5214 pointer, instead of assuming it is possible to derive the
5215 correct args size from a call insn.
5217 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5219 * rtl.h (CONST_INT_P): Define.
5220 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5221 instead of GET_CODE(x) == CONST_INT.
5222 (vax_rtx_costs): Likewise.
5223 (vax_output_int_move): Likewise.
5224 (vax_output_int_add): Likewise.
5225 (legitimate_constant_address_p): Likewise.
5226 (index_term_p): Likewise.
5227 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5228 * config/vax/vax.md (and<mode>3): Likewise.
5229 (ashrsi3): Likewise.
5231 (movstricthi): Likewise.
5232 (movstrictqi): Likewise.
5233 (rotrsi3): Likewise.
5234 (five unnamed insns): Likewise.
5236 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5238 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5239 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5240 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5241 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5242 Pass to ASM_OUTPUT_DWARF_OFFSET.
5243 * dwarf2out.c (debug_frame_section): New.
5244 (output_call_frame_info): Use debug_frame_section. Pass it to
5245 dw2_asm_output_offset.
5246 (output_die): Pass appropriate section to dw2_asm_output_offset.
5247 (output_compilation_unit_header): Likewise.
5248 (output_pubnames): Likewise.
5249 (output_aranges): Likewise.
5250 (enum dw_val_class): Break dw_val_class_lbl_offset into
5251 dw_val_class_lineptr and dw_val_class_macptr.
5252 (add_AT_lbl_offset): Delete.
5253 (add_AT_lineptr): New.
5254 (add_AT_macptr): New.
5255 (AT_lbl): Expect a lineptr or macptr.
5256 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5257 (attr_checksum): Likewise.
5258 (same_dw_val_p): Likewise.
5259 (size_of_die): Likewise.
5260 (value_format): Likewise.
5261 (output_die): Likewise.
5262 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5264 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5265 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5266 * config/darwin-protos.h (darwin_file_start): New.
5267 (darwin_asm_output_dwarf_offset): New.
5268 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5269 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5271 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5272 if not EH section; simplify.
5273 (darwin_file_start): New.
5274 (darwin_asm_output_dwarf_offset): New.
5275 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5277 (DEBUG_INFO_SECTION): Likewise.
5278 (DEBUG_ABBREV_SECTION): Likewise.
5279 (DEBUG_ARANGES_SECTION): Likewise.
5280 (DEBUG_MACINFO_SECTION): Likewise.
5281 (DEBUG_LINE_SECTION): Likewise.
5282 (DEBUG_LOC_SECTION): Likewise.
5283 (DEBUG_PUBNAMES_SECTION): Likewise.
5284 (DEBUG_STR_SECTION): Likewise.
5285 (DEBUG_RANGES_SECTION): Likewise.
5286 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5287 (ASM_OUTPUT_DWARF_OFFSET): New.
5289 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5291 * config.gcc (tm_defines): Always add to previous value rather
5294 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5296 * config/mips/predicates.md (splittable_const_int_operand): New,
5297 split from move_operand.
5298 (splittable_symbolic_operand): New.
5299 (move_operand): Add commentary. Use splittable_const_int_operand.
5300 Inline mips_atomic_symbolic_constant_p.
5301 * config/mips/mips.md: Add combine splitters for handling moves
5302 of splittable_const_int_operands and splittable_symbolic_operands.
5303 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5304 (mips_split_symbol): Declare.
5305 (mips_move_integer): Declare.
5306 * config/mips/mips.c (mips_split_p): Make global.
5307 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5308 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5309 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5310 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5311 (mips_offset_within_object_p): Handle block symbols.
5312 (mips_atomic_symbolic_constant_p): Delete.
5313 (mips_cannot_force_const_mem): Return false for constants that
5314 mips_legitimize_move can handle.
5315 (mips_use_blocks_for_constant_p): New function.
5316 (mips_split_symbol): Make global.
5317 (mips_move_integer): Likewise. Add a temporary register argument.
5318 (mips_legitimize_const_move): Use splittable_const_int_operand and
5319 splittable_symbolic_operand.
5320 (mips_use_anchors_for_symbol_p): New function.
5321 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5322 (mips_split_p): Declare.
5324 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5326 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5327 (mips*-*-linux*): Likewise.
5329 2006-03-16 Roger Sayle <roger@eyesopen.com>
5330 Daniel Speyer <dspeyer@wam.umd.edu>
5333 * tree-dump.c (dump_real): New function.
5334 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5335 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5336 (tree-dump.o): Add $(REAL_H) to the dependencies.
5338 2006-03-16 Roger Sayle <roger@eyesopen.com>
5341 * real.c (real_from_string): If the mantissa is zero, don't bother
5342 parsing the exponent as the result should always be zero.
5344 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5346 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5348 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5350 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5351 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5352 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5353 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5354 ia64_sched_finish_global): New static functions to implement
5355 hooks from gcc_target.sched.
5356 (spec_check_no, max_uid, pending_data_specs): New static variables.
5357 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5358 ia64_spec_check_src_p): New static functions.
5359 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5360 (TARGET_SCHED_ADJUST_COST): Removed.
5361 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5362 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5363 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5364 TARGET_SCHED_GEN_CHECK,
5365 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5366 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5367 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5368 Fixed to handle speculation checks.
5369 (rtx_needs_barrier): Fixed to handle speculative loads and
5371 (ia64_variable_issue): Added code to count speculative loads and their
5373 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5375 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5377 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5379 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5380 (ia64_reorg): Reset stops_p to NULL after it is freed.
5381 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5382 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5383 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5385 (data_speculative, control_speculative, check_load): New attributes.
5386 (mov<mode>_advanced, mov<mode>_speculative,
5387 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5388 zero_extend<mode>di2_speculative,
5389 zero_extend<mode>di2_speculative_advanced): New patterns for
5390 data and control speculative loads.
5391 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5393 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5394 New pattern for data and control speculation checks.
5395 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5396 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5397 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5398 Auxiliary definitions for the patterns.
5399 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5400 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5402 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5404 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5405 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5406 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5407 New resource constraints.
5408 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5410 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5411 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5412 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5413 msched-in-control-spec, msched-ldc, msched-control-ldc,
5414 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5415 msched-prefer-non-control-spec-insns,
5416 msched-count-spec-in-critical-path): New flags to tune speculative
5418 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5419 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5420 msched-in-control-spec, msched-ldc, msched-control-ldc,
5421 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5422 msched-prefer-non-control-spec-insns,
5423 msched-count-spec-in-critical-path): Document new flags.
5425 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5427 * target.h (struct spec_info_def): New opaque declaration.
5428 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5429 speculate_insn, needs_block_p, gen_check,
5430 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5431 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5432 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5433 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5434 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5435 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5437 (TARGET_SCHED): Use new macros.
5438 * rtl.h (copy_DEPS_LIST_list): New prototype.
5439 * sched-int.h (struct sched_info): Change signature of new_ready field,
5440 adjust all initializations. New fields: add_remove_insn,
5441 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5442 region_head_or_leaf_p.
5443 (struct spec_info_def): New structure declaration.
5444 (spec_info_t): New typedef.
5445 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5446 recovery_block, orig_pat.
5447 (glat_start, glat_end): New variables declaraions.
5448 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5450 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5451 DETACH_LIFE_INFO, USE_GLAT.
5452 (enum SPEC_SCHED_FLAGS): New enumeration.
5453 (NOTE_NOTE_BB_P): New macro.
5454 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5455 attach_life_info, debug_spec_status, check_reg_live): New functions.
5456 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5457 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5459 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5460 * ddg.c (get_block_head_tail): Adjust all uses.
5461 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5462 (sms_sched_info): Initialize new fields.
5463 (contributes_to_priority): Removed.
5464 * haifa-sched.c (params.h): New include.
5465 (get_block_head_tail): Adjust all uses.
5466 (ISSUE_POINTS): New macro.
5467 (glat_start, glat_end): New global variables.
5468 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5469 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5470 old_last_basic_block, before_recovery, current_sched_info_var,
5471 rgn_n_insns, luid): New static variables.
5472 (insn_cost1): New function. Move logic from insn_cost to here.
5473 (find_insn_reg_weight1): New function. Move logic from
5474 find_insn_reg_weight to here.
5475 (reemit_notes, move_insn, max_issue): Change signature.
5476 (move_insn1): Removed.
5477 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5478 extend_bb): New static functions to support extension of scheduler's
5480 (generate_recovery_code, process_insn_depend_be_in_spec,
5481 begin_speculative_block, add_to_speculative_block,
5482 init_before_recovery, create_recovery_block, create_check_block_twin,
5483 fix_recovery_deps): New static functions to support
5484 generation of recovery code.
5485 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5486 restore_bb_notes, move_block_after_check, move_succs): New static
5487 functions to support ebb scheduling.
5488 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5489 functions to support handling of register live information.
5490 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5491 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5492 add_jump_dependencies): New static functions.
5493 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5494 consistancy checking.
5495 (debug_spec_status): New function to call from debugger.
5496 (priority): Added code to handle speculation checks.
5497 (rank_for_schedule): Added code to distinguish speculative instructions.
5498 (schedule_insn): Added code to handle speculation checks.
5499 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5500 Fixed to handle ebbs.
5501 (move_insn): Added code to handle ebb scheduling.
5502 (max_issue): Added code to use ISSUE_POINTS of instructions.
5503 (choose_ready): Added code to choose between speculative and
5504 non-speculative instructions.
5505 (schedule_block): Added code to handle ebb scheduling and scheduling of
5506 speculative instructions.
5507 (sched_init): Initialize new variables.
5508 (sched_finish): Free new variables. Print statistics.
5509 (try_ready): Added code to handle speculative instructions.
5510 * lists.c (copy_DEPS_LIST_list): New function.
5511 * sched-deps.c (extend_dependency_caches): New function. Move logic
5512 from create_dependency_caches to here.
5513 (get_dep_weak, ds_merge): Make global.
5514 * genattr.c (main): Code to output prototype for
5515 dfa_clear_single_insn_cache.
5516 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5517 (output_dfa_clean_insn_cache_func): Code to output
5518 dfa_clear_single_insn_cache function.
5519 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5521 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5523 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5524 New static variables.
5525 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5526 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5528 (ebb_sched_info): Initialize new fields.
5529 (get_block_head_tail): Adjust all uses.
5530 (compute_jump_reg_dependencies): Fixed to use glat_start.
5531 (schedule_ebb): Code to remove unreachable last block.
5532 (schedule_ebbs): Added code to update register live information.
5533 * sched-rgn.c (region_sched_info): Initialize new fields.
5534 (get_block_head_tail): Adjust all uses.
5535 (last_was_jump): Removed. Adjust users.
5536 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5537 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5538 Implement new hooks.
5539 (check_dead_notes1): New static function.
5540 (struct region): New fields: dont_calc_deps, has_real_ebb.
5541 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5542 (BB_TO_BLOCK): Fixed to handle EBBs.
5543 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5544 (ebb_head): New static variable.
5545 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5546 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5548 (compute_dom_prob_ps): New assertion.
5549 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5550 global_live_at_start.
5551 (init_ready_list): New assertions.
5552 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5553 (new_ready): Add support for BEGIN_CONTROL speculation.
5554 (schedule_insns): Fixed code that updates register live information
5556 (schedule_region): Fixed to handle EBBs.
5557 (init_regions): Use extend_regions and check_dead_notes1.
5558 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5559 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5560 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5561 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5562 TARGET_SCHED_GEN_CHECK,
5563 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5564 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5565 * doc/invoke.texi (max-sched-insn-conflict-delay,
5566 sched-spec-prob-cutoff): Document.
5568 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5570 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5571 inter_tick, queue_index.
5572 (struct sched_info): Change signature of init_ready_list field.
5573 Adjust all initializations.
5574 (RESOLVED_DEPS): New access macro.
5575 (ready_add): Remove prototype.
5576 (try_ready): Add prototype.
5577 * sched-rgn.c (init_ready_list): Use try_ready.
5578 (schedule_region): Initialize
5579 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5580 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5581 (init_ready_list): Use try_ready.
5582 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5583 * lists.c (remove_list_elem): Remove `static'.
5584 (remove_free_INSN_LIST_elem): New function.
5585 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5586 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5587 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5589 (readyp): New variable.
5590 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5591 change_queue_index, resolve_dep): New static functions.
5592 (try_ready): New function. Adjust callers in sched-rgn.c and
5593 sched-ebb.c to use it instead of ready_add.
5594 (clock_var): Move at the begining of file.
5595 (rank_for_schedule): Fix typo.
5596 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5597 (ready_lastpos): Enforce assertion.
5598 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5600 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5601 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5602 (queue_to_ready): Use free_INSN_LIST_list.
5603 (early_queue_to_ready): Fix typo.
5604 (schedule_block): Init readyp. Move init_ready_list call after the
5605 initialization of clock_var. Fix error in rejecting insn by
5606 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5607 that previously corrected INSN_TICKs. Add code for handling
5609 (set_priorities): Fix typo.
5610 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5611 Clarify comment and code that keeps current_sched_info->next_tail
5614 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5616 * sched-rgn.c (extend_rgns): New static function.
5617 (find_rgns): Use it.
5618 (gather_region_statistics, print_region_statistics): New static
5620 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5621 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5623 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5624 Andrey Belevantsev <abel@ispras.ru>
5626 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5627 * lists.c (unused_deps_list): New variable.
5628 (free_list): Add assertions to verify the proper distinguishing
5629 between INSN_LISTs and DEPS_LISTs.
5630 (find_list_elem, remove_list_elem, remove_list_node): New static
5632 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5633 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5634 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5635 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5637 (free_INSN_LIST_node): Likewise.
5638 * modulo-sched.c (current_sched_info): Initialize flags field.
5639 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5640 * rtl.def (DEPS_LIST): Define.
5641 * rtl.h: Declare new functions from lists.c.
5642 * sched-deps.c (spec_dependency_cache): New static variable.
5643 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5644 (add_dependence): Change return type to void. Move the logic to ...
5645 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5646 (delete_all_dependences): Add comment about forward_dependency_cache.
5647 Handle spec_dependency_cache. Handle DEPS_LISTs.
5648 (fixup_sched_groups): Clarify the change of priority of output
5649 and anti dependencies.
5650 (sched_analyze_2): Adjust add_dependence calls to create data
5651 speculative dependence.
5652 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5653 Adjust all callers. Handle DEPS_LISTS.
5654 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5655 presence of speculation.
5656 (init_dependency_caches, free_dependency_caches):
5657 Handle spec_dependency_cache.
5658 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5659 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5660 New static functions.
5661 (add_or_update_back_dep, add_or_update_back_forw_dep,
5662 add_back_forw_dep, delete_back_forw_dep): New functions.
5663 * sched-int.h (ds_t, dw_t): New typedefs.
5664 (struct sched_info): Add new field flags.
5665 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5666 Prototype new sched-deps.c functions.
5667 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5668 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5669 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5670 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5671 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5672 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5674 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5676 * sched-rgn.c (current_sched_info): Initialize flags field.
5677 (schedule_insns): Initialize current_sched_info before the sched_init
5679 * sched-ebb.c (current_sched_info): Initialize flags field.
5680 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5681 Call add_or_update_back_dep instead of add_dependence.
5682 Create control speculative dependencies.
5683 (schedule_insns): Initialize current_sched_info before the sched_init
5686 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5688 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5690 (sh_fallback_frame_state): Likewise.
5692 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5694 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5695 Do switch on default_use_cxa_atexit.
5696 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5697 * config/darwin-crt3.o: New.
5698 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5699 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5700 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5702 * config/rs6000/t-darwin: Move crt2.o building to here.
5703 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5704 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5707 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5709 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5710 from '! xxx' to '!xxx' for coding-style conformance.
5711 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5712 (EXTRA_CONSTRAINT): Likewise.
5713 * config/vax/vax.md (four unnamed insns): Likewise.
5715 2006-03-15 Paul Brook <paul@codesourcery.com>
5717 * config/arm/arm.c (minipool_pad): New.
5718 (add_minipool_forward_ref): Include pool alignment padding in address
5720 (push_minipool_fix): Set minipool_pad.
5721 (minipool_pad): Ditto.
5723 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5725 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5726 instead of GET_CODE() == MEM and REG_P() instead of
5728 (print_operand_address): Likewise.
5729 (vax_address_cost): Likewise.
5730 (vax_rtx_costs): Likewise.
5731 (vax_notice_update_cc): Likewise.
5732 (vax_output_int_add): Likewise.
5733 (INDEX_REGISTER_P): Likewise.
5734 (BASE_REGISTER_P): Likewise.
5735 (nonindexed_address_p): Likewise.
5736 (vax_mode_dependent_address_p): Likewise.
5737 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5738 (PRINT_OPERAND): Likewise.
5739 * config/vax/vax.md (ashlsi3): Likewise.
5740 (ashlsi3): Likewise.
5741 (some more unnamed insns): Likewise.
5743 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5745 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5746 iterator-style macro.
5747 (mark_control_dependent_edges_necessary): Update the use of
5748 EXECUTE_IF_CONTROL_DEPENDENT.
5750 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5752 * config/sh/predicates.md (cache_address_operand): Special.
5753 (ua_address_operand): Likewise.
5755 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5757 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5759 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5761 2006-03-15 Andreas Schwab <schwab@suse.de>
5763 * gensupport.c (identify_predicable_attribute): Don't free p_false
5764 when it is still in use.
5766 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5768 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5769 the default setting here.
5771 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5773 * tree-pass.h (pass_cfg): Remove.
5774 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5775 * passes.c (pass_cfg): Don't run it.
5777 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5779 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5780 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5782 (stack_regs_mentioned): Update the uses of
5783 stack_regs_mentioned_data. Don't access the array beyond its
5785 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5786 Don't include gt-reg-stack.h.
5788 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5789 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5791 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5794 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5797 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5799 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5801 2006-03-14 Richard Guenther <rguenther@suse.de>
5803 PR tree-optimization/26672
5804 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5807 2006-03-14 Richard Guenther <rguenther@suse.de>
5809 PR tree-optimization/26667
5810 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5811 node for the callees. Always allow inlining if it will shrink
5814 2006-03-14 Richard Guenther <rguenther@suse.de>
5817 * builtins.c (get_pointer_alignment): Prefer alignment
5818 information from decls over that from types.
5820 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5823 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5825 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5827 * config/rs6000/rs6000.opt (mdlmzb): New option.
5828 (msched-prolog, msched-epilog): Use Var not Mask.
5829 * doc/invoke.texi (-mdlmzb): Document.
5830 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5832 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5833 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5835 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5837 PR rtl-optimization/25739
5838 * bt-load.c (augment_live_range): Free tos pointer.
5840 * gensupport.c (identify_predicable_attribute): Free
5842 * gcov.c (create_file_names): Free name pointer.
5844 2006-03-13 Roger Sayle <roger@eyesopen.com>
5847 * stmt.c (emit_case_nodes): Handle the case where the index is a
5848 CONST_INT, where the comparison mode is specified by the index type.
5850 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5852 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5855 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5857 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5858 (*branch_fp_inverted): Likewise.
5860 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5863 * omp-low.c (expand_omp_for_generic): Mark istart0
5864 and iend0 as addressable.
5866 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5868 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5870 2006-03-13 Jeff Law <law@redhat.com>
5872 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5873 virtual operands are interesting.
5874 (vrp_visit_stmt): Corresponding changes.
5876 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5878 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5880 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5881 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5882 * config/bfin/crti.S: Use it instead of __PIC__.
5883 * config/bfin/crtn.S: Likewise.
5885 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5886 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5888 Lose 'G' modifier for call operand.
5889 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5890 recognize 'G' modifier.
5892 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5895 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5896 * stmt.c (expand_case): Likewise.
5898 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5900 PR rtl-optimization/26254
5901 * loop-invariant.c (seq_insns_valid_p): New function.
5902 (move_invariant_reg): Only emit new code if it is valid.
5904 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5906 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5908 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5909 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5910 (commit_one_edge_insertion): Do not look for loop notes.
5912 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5914 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5915 flag_test_coverage out of loop.
5917 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5919 * final.c (shorten_branches): Remove outdated comment, and turn
5920 the if branch that guards it to continue.
5922 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5924 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5925 * cfgloop.h (struct loop): Remove unused fields.
5927 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5929 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5930 (-dL, -fdump-rtl-loop2): Update the dump file names
5932 * doc/invoke.texi: Update dump file names.
5934 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5936 * predict.c (estimate_probability): Remove.
5937 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5938 * basic-block.h (estimate_probability): Remove prototype.
5939 * passes.c (finish_optimization_passes): Dump branch prediction or
5940 profiling heuristics to the .profile tree dump.
5941 (init_optimization_passes): Unqueue pass_branch_prob.
5943 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5945 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5947 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5948 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5950 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5952 * function.h (frame_offset_overflow): Declare.
5953 * function.c (frame_offset_overflow): New function.
5954 (assign_stack_local_1): Call it to detect that the offset overflows.
5955 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5957 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5959 * config/sh/sh.c: Include alloc-pool.h.
5960 (label_ref_list_pool): New alloc pool.
5961 (label_ref_list_t): New type for lists of labels.
5962 (struct pool_node): Make wend a label_ref_list_t.
5963 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5965 (dump_table): Likewise.
5966 (sh_reorg): Set up the alloc pool before using add_constant and
5967 dump_table, and destroy it when finishing.
5969 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5971 * config/mips/mips.c: Remove redundant comment.
5973 2006-03-10 Jason Merrill <jason@redhat.com>
5976 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5977 the target was declared 'register'.
5979 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5981 * genpreds.c (write_insn_constraint_len): Change definition of
5982 insn_constraint_len to return size_t to match the declaration.
5984 2006-03-10 DJ Delorie <dj@redhat.com>
5986 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5988 (m32c_expand_insv): Fix test for an AND mask.
5990 2006-03-10 Richard Guenther <rguenther@suse.de>
5993 * builtins.c (get_pointer_alignment): Handle component
5994 references for field alignment.
5996 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5998 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5999 when building with libgloss.
6000 (sh*elf): Implement --without-fp option.
6001 (sh64-superh-linux*): Don't multilib.
6003 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6005 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6007 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6009 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6010 Set it when one of the replacement functions returned true.
6011 Return TODO_cleanup_cfg if cfgchanged is true.
6012 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6014 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6016 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6017 instead of gen_lowpart.
6019 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6021 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6023 (mips_output_order_conditional_branch): Declare.
6024 * config/mips/mips.h (MIPS_BRANCH): New macro.
6025 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6026 for the comparison. Use gen_condjump.
6027 (mips_output_conditional_branch): Rework interface to take the
6028 asm templates for a direct branch and the inverse of a direct branch.
6029 (mips_output_order_conditional_branch): New function.
6030 (mips_builtin_branch_and_move): New function.
6031 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6032 branch condition. Use gen_single_cc as the condition for
6033 __builtin_mips_upper_* or __builtin_mips_lower_*.
6034 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6035 Use VOIDmode for the branch condition.
6036 * config/mips/predicates.md (order_operator): New predicate.
6037 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6038 (branch_fp): Rename to...
6039 (*branch_fp): ...this. Remove mode from comparison operator.
6040 Use new mips_output_conditional_branch interface.
6041 (branch_fp_inverted): Rename to...
6042 (*branch_fp_inverted): ...this and update as for *branch_fp.
6043 (*branch_zero<mode>): Rename to...
6044 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6045 Use mips_output_order_conditional_branch. Only accept ordered
6047 (*branch_zero<mode>_inverted): Rename to...
6048 (*branch_order<mode>_inverted): ...this and update as for
6049 *branch_order<mode>.
6050 (*branch_equality<mode>): Accept zero as the second operand to
6051 the equality operator. Use the new mips_output_conditional_branch
6053 (*branch_equality<mode>_inverted): Likewise.
6054 (condjump): New expander.
6055 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6057 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6058 (bc1any2t, bc1any2f): Likewise.
6059 (single_cc): New expander.
6060 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6062 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6064 * doc/md.texi: Update documentation of MIPS constraints.
6065 * config/mips/constraints.md: New file.
6066 * config/mips/mips.md: Include it.
6067 * config/mips/mips.c (mips_char_to_class): Delete.
6068 (override_options): Don't initialize mips_char_to_class.
6069 * config/mips/mips.h (mips_char_to_class): Delete.
6070 (REG_CLASS_FROM_LETTER): Delete.
6071 (CONST_OK_FOR_LETTER_P): Delete.
6072 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6073 (EXTRA_CONSTRAINT_Y): Delete.
6074 (EXTRA_CONSTRAINT_STR): Delete.
6075 (CONSTRAINT_LEN): Delete.
6076 (EXTRA_MEMORY_CONSTRAINT): Delete.
6078 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6080 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6081 original fn's eh regions.
6083 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6085 * fold-const.c (build_range_check): Make sure to use a valid type to
6086 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6089 (range_predecessor): New static function.
6090 (range_successor): Likewise.
6091 (merge_ranges): Use them to compute predecessors and successors of
6094 2006-03-09 Roger Sayle <roger@eyesopen.com>
6097 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6098 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6100 2006-03-08 DJ Delorie <dj@redhat.com>
6102 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6103 (addpsi3): Expand to include memory operands. Remove
6104 reload-specific splits.
6105 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6106 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6107 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6108 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6109 (shift1_qi, shift1_hi, insv): New.
6110 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6111 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6112 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6114 * config/m32c/m32c-protos.h: Update as needed.
6115 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6116 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6117 Fail for unrecognized R* constraints.
6118 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6119 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6120 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6122 (m32c_init_libfuncs): New.
6123 (m32c_legitimate_address_p): Add debug wrapper.
6124 (m32c_rtx_costs): New.
6125 (m32c_address_cost): New.
6126 (conversions): Add 'B' prefix.
6127 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6128 operands, or word regnames for QI operands. 'B' prints bit
6130 (m32c_expand_setmemhi): New.
6131 (m32c_expand_movmemhi): New.
6132 (m32c_expand_movstr): New.
6133 (m32c_expand_cmpstr): New.
6134 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6135 (m32c_expand_neg_mulpsi3): Handle non-ints.
6136 (m32c_cmp_flg_0): New.
6137 (m32c_expand_movcc): New.
6138 (m32c_expand_insv): New.
6139 (m32c_scc_pattern): New.
6140 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6141 a0/a1 out of SIregs.
6142 (STORE_FLAG_VALUE): New.
6143 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6146 * config/m32c/mov.md: Make constraints more liberal.
6147 (zero_extendqihi2): Optimize r0/r1 case.
6148 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6149 * config/m32c/predicates.md (m32c_any_operand): New.
6150 (m32c_nonimmediate_operand): New.
6151 (m32c_hl_operand): New.
6152 (m32c_r3_operand): New.
6155 (memsym_operand): New.
6156 (memimmed_operand): New.
6157 (a_qi_operand): New.
6158 (m32c_eqne_operator): New.
6159 (m32c_1bit8_operand): New.
6160 (m32c_1bit16_operand): New.
6161 (m32c_1mask8_operand): New.
6162 (m32c_1mask16_operand): New.
6163 * config/m32c/blkmov.md: New file.
6164 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6166 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6168 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6169 unsigned to fix signed/unsigned comparison issue in
6170 DWARF2_FRAME_REG_OUT.
6171 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6172 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6174 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6175 of ptr into the ENABLE_CHECKING section.
6177 2006-03-08 Jeff Law <law@redhat.com>
6179 * tree-vrp.c (infer_value_range): Only count pointer uses
6180 and dereferences if -fdelete-null-pointer-checks is enabled.
6182 * tree-vrp.c (find_assert_locations): Infer value ranges for
6183 single use pointers, but do not create ASSERT_EXPRs for them.
6184 When a non-null range is inferred for a pointer, backwards
6185 propagate that range to other equivalent pointers through the
6188 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6191 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6192 language hook targets.
6193 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6194 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6195 if language hook targets were missing.
6197 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6199 * tree-ssa-opfinalize.h: Removed.
6200 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6202 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6203 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6204 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6205 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6206 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6207 finalize_ssa_v_must_def_ops): New.
6209 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6211 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6214 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6216 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6218 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6219 addresses with offsets; reorganize.
6221 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6222 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6223 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6225 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6228 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6230 2006-03-08 Ben Elliston <bje@au.ibm.com>
6232 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6234 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6237 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6240 2006-03-07 Richard Guenther <rguenther@suse.de>
6242 PR tree-optimization/26587
6243 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6245 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6247 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6249 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6251 * hooks.c (hook_bool_mode_rtx_true): New function.
6252 * hooks.h (hook_bool_mode_rtx_true): Declare.
6253 * toplev.c (compile_file): Call output_shared_constant_pool.
6254 * varasm.c (shared_constant_pool): New variable.
6255 (assemble_start_function, assemble_end_function): Remove arguments
6256 from call to output_constant_pool.
6257 (create_constant_pool): New function, split out from...
6258 (init_varasm_status): ...here.
6259 (force_const_mem): Choose between the shared and per-function constant
6260 pools. Set current_function_uses_const_pool when reusing old entries
6261 as well as when creating new ones.
6262 (mark_constant): Ignore data argument.
6263 (mark_constants): Remove pool argument.
6264 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6265 to decide whether the function uses a constant pool.
6266 (output_constant_pool_contents): New function, split out from...
6267 (output_constant_pool): ...here.
6268 (output_shared_constant_pool): New function.
6269 (init_varasm_once): Initialize shared_constant_pool.
6270 * output.h (output_constant_pool): Delete.
6271 (output_shared_constant_pool): Declare.
6272 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6273 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6275 2006-03-06 Nick Clifton <nickc@redhat.com>
6277 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6278 flag_strength_reduce.
6280 2006-03-06 Ben Elliston <bje@au.ibm.com>
6282 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6283 x86_64-*-linux* configurations.
6285 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6286 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6288 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6290 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6292 * basic-block.h: Remove the extern for
6293 rediscover_loops_after_threading.
6295 * cfgloop.c (cancel_loop): Make it static.
6296 * cfgloop.h: Remove the prototype for cancel_loop.
6298 * flow.c (recompute_reg_usage): Make it static.
6299 * rtl.h: Remove the prototype for recompute_reg_usage.
6301 * function.c (use_return_register): Make it static.
6302 * function.h: Remove the prototype.
6304 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6306 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6308 * recog.h: Remove the prototype for
6309 validate_change_maybe_volatile.
6311 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6313 * rtlanal.c (replace_reg): Remove.
6314 * rtl.h: Remove the prototype for replace_reg.
6316 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6318 * regclass.c (reg_scan_update): Remove.
6319 (reg_scan_mark_refs): Remove the last argument.
6320 * rtl.h: Remove the prototype for reg_scan_update.
6322 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6324 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6325 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6326 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6327 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6328 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6329 loop-invariant.c, omp-low.c, opts.c, passes.c,
6330 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6331 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6332 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6333 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6334 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6335 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6337 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6339 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6340 * dwarf2out.h: Remove the prototype for
6341 dwarf2out_add_library_unit_info.
6343 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6345 * tree.c (add_var_to_bind_expr): Remove.
6346 * tree.h: Remove the prototype for add_var_to_bind_expr.
6348 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6350 * regclass.c (n_non_fixed_regs): Remove.
6351 (init_reg_sets_1, globalize_reg): Remove all uses of
6353 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6355 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6357 * rtlanal.c (insns_safe_to_move_p): Remove.
6358 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6360 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6362 * expmed.c (expand_mult_add): Remove.
6363 * expr.h: Remove the prototype for expand_mult_add.
6365 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6367 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6368 and REG_SAVED_VAL_EXP constants.
6369 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6370 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6371 Handle regs stored by value.
6372 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6373 (execute_cfa_program): Handle DW_CFA_val_offset,
6374 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6375 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6376 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6377 (uw_install_context_1): Handle target regs stored by value.
6379 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6381 * tree-sra.c (tree_sra): Return todoflags;
6382 (generate_one_element): Set TODO_update_smt_usage if needed.
6383 (pass_sra): Remove TODO_update_smt_usage.
6384 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6386 (tree_ssa_forward_propagate_single_use_vars): Return
6387 TODO_update_smt_usage if we need to update SMT usage.
6388 (pass_forwprop): Remove TODO_update_smt_usage.
6390 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6392 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6393 (correct_use_link): Remove reference to get_stmt_operands.
6394 (update_stmt_operands): Likewise.
6395 (get_modify_expr_operands): New function factored out of
6396 parse_ssa_operands and get_expr_operands.
6397 Try to create V_MUST_DEFs for LHS by default.
6398 (get_expr_operands) <case MODIFY_EXPR>: Call
6399 get_modify_expr_operands.
6400 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6401 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6402 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6403 get_modify_expr_operands.
6405 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6407 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6408 * tree-flow.h: Remove the prototype for
6409 referenced_var_lookup_if_exists.
6411 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6413 PR rtl-optimization/26345
6415 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6417 2006-03-03 Roger Sayle <roger@eyesopen.com>
6419 PR tree-optimization/26524
6420 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6421 fold_convert to create a constant of the appropriate type.
6423 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6425 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6426 SYMBOL_REF_IN_BLOCK_P.
6427 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6428 of SYMBOL_FLAG_IN_BLOCK.
6429 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6430 instead of SYMBOL_REF_IN_BLOCK_P.
6431 * explow.c (use_anchored_address): Likewise.
6432 * rtl.c (rtx_size): Likewise.
6433 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6434 instead of SYMBOL_FLAG_IN_BLOCK.
6435 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6436 SYMBOL_REF_IN_BLOCK_P.
6437 (assemble_variable): Likewise.
6438 (output_constant_def_contents): Likewise.
6439 (output_constant_pool): Likewise.
6440 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6441 instead of SYMBOL_FLAG_IN_BLOCK.
6442 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6443 SYMBOL_REF_IN_BLOCK_P.
6444 (SYMBOL_REF_BLOCK): Likewise.
6445 (SYMBOL_REF_OFFSET): Likewise.
6446 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6447 SYMBOL_REF_IN_BLOCK_P.
6448 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6449 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6450 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6451 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6453 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6455 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6457 2006-03-02 Roger Sayle <roger@eyesopen.com>
6459 * simplify-rtx.c (simplify_unary_operation): When simplifying
6460 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6461 that we perform the right shift in the appropriate mode, and
6462 then extend or truncate the result to requested mode.
6464 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6466 * gengtype.c (main): Handle double_int type.
6467 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6468 * double-int.c: New file.
6469 * double-int.h: New file.
6470 * system.h: Include doubleint.h.
6471 * Makefile.in (SYSTEM_H): Include double-int.h.
6472 (double-int.o): Add.
6474 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6477 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6480 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6482 * tree-vrp.c (remove_range_assertions): Do not update statements
6485 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6487 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6489 * gcse.c (rest_of_handle_gcse): Ditto.
6490 * except.c (gate_handle_eh): Ditto.
6491 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6492 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6494 2006-03-02 Eric Christopher <echristo@apple.com>
6496 * config/i386/i386.c (machopic_output_stub): Add indirection to
6499 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6503 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6505 Sun Niagara specific optimizations.
6506 * config.gcc: Recognize niagara as target.
6507 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6508 (TARGET_CPU_niagara): Define.
6509 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6510 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6511 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6512 (ASM_CPU_SPEC): Likewise.
6513 (PROCESSOR_NIAGARA): New enum entry.
6514 (REGISTER_MOVE_COST): Handle Niagara.
6515 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6516 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6517 (sparc_override_options): Recognize "niagara", set appropriate
6518 default MASK_* values for it, and align functions to 32-bytes
6519 by default just like ULTRASPARC/ULTRASPARC3.
6520 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6521 (sparc64_initialize_trampoline): Likewise.
6522 (sparc_use_sched_lookahead): Use zero for niagara.
6523 (sparc_issue_rate): Use one for niagara.
6524 * config/sparc/niagara.md: New file.
6525 * config/sparc/sparc.md: Include it.
6526 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6527 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6528 when default cpu is niagara.
6529 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6530 (ASM_CPU_SPEC): Likewise.
6531 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6532 when default cpu is niagara.
6533 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6534 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6535 just like v9/ultrasparc/ultrasparc3.
6536 * doc/invoke.texi: Add documentation for "niagara" and improve
6537 existing documentation for ultrasparc variants.
6539 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6541 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6543 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6545 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6546 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6547 and say that only one is needed.
6548 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6549 * target.h (have_switchable_bss_sections): New hook.
6550 * explow.c (use_anchored_address): Check that the symbol is in a block.
6551 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6552 (bss_noswitch_section): New variables.
6553 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6554 (get_noswitch_section): New function.
6555 (get_block_for_section): Allow SECT to be null.
6556 (unlikely_text_section_p): Use SECTION_STYLE.
6557 (bss_initializer_p): New function.
6558 (get_variable_section): Move earlier in file. Take a new argument,
6559 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6560 Return one of the new *_sections in such cases.
6561 (get_block_for_decl): New function, extracting some logic from
6562 use_blocks_for_decl_p.
6563 (change_symbol_section): Remove in favor of...
6564 (change_symbol_block): ...this new function.
6565 (use_blocks_for_decl_p): Remove checks now performed by
6567 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6568 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6569 (emit_local, emit_bss, emit_common): ...these new functions.
6570 Return true if the alignment was honored.
6571 (emit_tls_common): New function.
6572 (asm_emit_uninitialised): Delete.
6573 (assemble_variable_noswitch): New function, split out from...
6574 (assemble_variable): ...here. Don't make decisions about common
6575 variables here. Globalize all public decls that go into non-common
6576 sections. Check whether SYMBOL_REF_BLOCK is null.
6577 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6578 (output_constant_pool): Likewise.
6579 (init_varasm_once): Initialize the new section variables.
6580 (have_global_bss_p): New function.
6581 (categorize_decl_for_section): Use bss_initializer_p.
6582 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6583 (place_block_symbol): Assert that the symbol must be in a block.
6584 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6585 (TARGET_INITIALIZER): Include it.
6586 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6587 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6588 (SECTION_MACH_DEP): Bump by two.
6589 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6590 (unnamed_section): Mention SECTION_UNNAMED in comment.
6591 (named_section): Likewise SECTION_NAMED.
6592 (noswitch_section_callback): New type.
6593 (noswitch_section): New structure.
6594 (section): Add a noswitch_section alternative.
6595 (SECTION_STYLE): New macro.
6596 (tls_comm_section, comm_section, lcomm_section): Declare.
6597 (bss_noswitch_section, have_global_bss_p): Declare.
6598 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6599 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6601 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6602 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6605 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6607 * tree-vrp.c (execute_vrp): Return value.
6608 * regrename.c (rest_of_handle_regrename): Ditto.
6609 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6610 * tree-complex.c (tree_lower_complex): Ditto.
6611 (tree_lower_complex_O0): Ditto.
6612 * tracer.c (rest_of_handle_tracer): Ditto.
6613 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6614 * postreload.c (rest_of_handle_postreload): Ditto.
6615 * tree-tailcall.c (execute_tail_recursion): Ditto.
6616 (execute_tail_calls): Ditto.
6617 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6618 * tree.h (init_function_for_compilation): Ditto.
6619 * ipa-cp.c (ipcp_driver): Ditto.
6620 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6621 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6622 * final.c (compute_alignments): Ditto.
6623 (rest_of_handle_final): Ditto.
6624 (rest_of_handle_shorten_branches): Ditto.
6625 (rest_of_clean_state): Ditto.
6626 * omp-low.c (execute_expand_omp): Ditto.
6627 (execute_lower_omp): Ditto.
6628 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6629 * ipa-reference.c (static_execute): Ditto.
6630 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6631 * reorg.c (rest_of_handle_delay_slots): Ditto.
6632 (rest_of_handle_machine_reorg): Ditto.
6633 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6634 * flow.c (recompute_reg_usage): Ditto.
6635 (rest_of_handle_remove_death_notes): Ditto.
6636 (rest_of_handle_life): Ditto.
6637 (rest_of_handle_flow2): Ditto.
6638 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6639 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6640 (do_ssa_store_ccp): Ditto.
6641 (execute_fold_all_builtins): Ditto.
6642 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6643 * modulo-sched.c (rest_of_handle_sms): Ditto.
6644 * ipa-pure-const.c (static_execute): Ditto.
6645 * cse.c (rest_of_handle_cse): Ditto.
6646 (rest_of_handle_cse2): Ditto.
6647 * web.c (rest_of_handle_web): Ditto.
6648 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6649 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6650 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6651 * tree-nrv.c (tree_nrv): Ditto.
6652 (execute_return_slot_opt): Ditto.
6653 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6654 (create_structure_vars): Ditto.
6655 * loop-init.c (rtl_loop_init): Ditto.
6656 (rtl_loop_done): Ditto.
6657 (rtl_move_loop_invariants): Ditto.
6658 (rtl_unswitch): Ditto.
6659 (rtl_unroll_and_peel_loops): Ditto.
6660 (rtl_doloop): Ditto.
6661 * gimple-low.c (lower_function_body): Ditto.
6662 (mark_used_blocks): Ditto.
6663 * tree-ssa-sink.c (execute_sink_code): Ditto.
6664 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6665 (cgraph_early_inlining): Ditto.
6666 * global.c (rest_of_handle_global_alloc): Ditto.
6667 * jump.c (cleanup_barriers): Ditto.
6668 (purge_line_number_notes): Ditto.
6669 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6670 (rest_of_handle_if_after_reload): Ditto.
6671 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6672 (tree_ssa_loop_im): Ditto.
6673 (tree_ssa_loop_unswitch): Ditto.
6674 (tree_vectorize): Ditto.
6675 (tree_linear_transform): Ditto.
6676 (tree_ssa_loop_ivcanon): Ditto.
6677 (tree_ssa_empty_loop): Ditto.
6678 (tree_ssa_loop_bounds): Ditto.
6679 (tree_complete_unroll): Ditto.
6680 (tree_ssa_loop_prefetch): Ditto.
6681 (tree_ssa_loop_ivopts): Ditto.
6682 (tree_ssa_loop_done): Ditto.
6683 * predict.c (tree_estimate_probability): Ditto.
6684 * recog.c (split_all_insns_noflow): Ditto.
6685 (rest_of_handle_peephole2): Ditto.
6686 (rest_of_handle_split_all_insns): Ditto.
6687 * tree-eh.c (lower_eh_constructs): Ditto.
6688 * regmove.c (rest_of_handle_regmove): Ditto.
6689 (rest_of_handle_stack_adjustments): Ditto.
6690 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6691 * function.c (instantiate_virtual_regs): Ditto.
6692 (init_function_for_compilation): Ditto.
6693 (rest_of_handle_check_leaf_regs): Ditto.
6694 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6695 (rest_of_handle_gcse): Ditto.
6696 * ipa-type-escape.c (type_escape_execute): Ditto.
6697 * alias.c (rest_of_handle_cfg): Ditto.
6698 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6699 * profile.c (rest_of_handle_branch_prob): Ditto.
6700 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6701 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6702 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6703 * tree-dfa.c (find_referenced_vars): Ditto.
6704 * except.c (set_nothrow_function_flags): Ditto.
6705 (convert_to_eh_region_ranges): Ditto.
6706 (rest_of_handle_eh): Ditto.
6707 * emit-rtl.c (unshare_all_rtl): Ditto.
6708 (remove_unnecessary_notes): Ditto.
6709 * except.h (set_nothrow_function_flags): Ditto.
6710 (convert_to_eh_region_ranges): Ditto.
6711 * cfgexpand.c (tree_expand_cfg): Ditto.
6712 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6713 * tree-ssa-pre.c (do_pre): Ditto.
6714 (execute_fre): Ditto.
6715 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6716 (rest_of_handle_jump2): Ditto.
6717 * tree-sra.c (tree_sra): Ditto.
6718 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6719 (execute_mudflap_function_decls): Ditto.
6720 * tree-ssa-copy.c (do_copy_prop): Ditto.
6721 (do_store_copy_prop): Ditto.
6722 * ipa-prop.h (ipcp_driver): Ditto.
6723 * cfglayout.c (insn_locators_initialize): Ditto.
6724 * tree-ssa-forwprop.c
6725 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6726 * cfglayout.h (insn_locators_initialize): Ditto.
6727 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6728 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6729 (execute_late_warn_uninitialized): Ditto.
6730 * rtl.h (cleanup_barriers): Ditto.
6731 (split_all_insns_noflow): Ditto.
6732 (purge_line_number_notes): Ditto.
6733 (unshare_all_rtl): Ditto.
6734 (remove_unnecessary_notes): Ditto.
6735 (recompute_reg_usage): Ditto.
6736 (variable_tracking_main): Ditto.
6737 * integrate.c (emit_initial_value_sets): Ditto.
6738 * integrate.h (emit_initial_value_sets): Ditto.
6739 * tree-optimize.c (execute_free_datastructures): Ditto
6740 (execute_free_cfg_annotations): Ditto.
6741 (execute_fixup_cfg): Ditto.
6742 (execute_cleanup_cfg_pre_ipa): Ditto.
6743 (execute_cleanup_cfg_post_optimizing): Ditto.
6744 (execute_init_datastructures): Ditto.
6745 * tree-object-size.c (compute_object_sizes): Ditto.
6746 * combine.c (rest_of_handle_combine): Ditto.
6747 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6748 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6749 (rest_of_handle_reorder_blocks): Ditto.
6750 (rest_of_handle_partition_blocks): Ditto.
6751 * var-tracking.c (variable_tracking_main): Ditto.
6752 * tree-profile.c (tree_profiling): Ditto.
6753 * tree-vect-generic.c (expand_vector_operations): Ditto.
6754 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6755 * sched-rgn.c (rest_of_handle_sched): Ditto.
6756 (rest_of_handle_sched2): Ditto.
6757 * basic-block.h (free_bb_insn): Ditto.
6758 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6759 * tree-cfg.c (execute_build_cfg): Ditto.
6760 (remove_useless_stmts): Ditto.
6761 (split_critical_edges): Ditto.
6762 (execute_warn_function_return): Ditto.
6763 (execute_warn_function_noreturn): Ditto.
6764 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6765 * cfgrtl.c (free_bb_for_insn): Ditto.
6766 * passes.c (execute_one_pass): Run additional
6767 todos returned by execute function.
6768 * tree-pass.h (struct tree_opt_pass): Make execute
6771 2006-03-02 Richard Guenther <rguenther@suse.de>
6773 * tree-ssa-alias.c (find_used_portions): Consider taking
6774 the address as making the variable not write-only.
6776 2006-03-02 Nick Clifton <nickc@redhat.com>
6778 * config.gcc (default_use_cxa_atexit): Extend the description of
6779 this configure variable. Set its default value to "yes" for
6780 Linux, NetBSD and ELF targets on the assumption that they will
6781 use C libraries with the __cxa_atexit function.
6783 2006-03-02 Ben Elliston <bje@au.ibm.com>
6785 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6786 parameter as unused to suppress a build warning.
6788 2006-03-02 Ben Elliston <bje@au.ibm.com>
6790 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6793 2006-03-01 Roger Sayle <roger@eyesopen.com>
6796 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6797 declared name, the weak reference name, and the typeof name.
6798 (__gthrw): Avoid expanding the declared name suffix.
6799 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6801 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6803 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6805 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6806 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6807 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6808 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6809 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6810 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6811 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6812 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6813 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6814 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6815 (DW_END_default, DW_END_big, DW_END_little): New.
6816 (DW_END_lo_user, DW_END_hi_user): Define.
6817 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6818 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6819 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6822 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6824 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6826 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6828 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6830 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6832 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6833 to 'symbol_mem_tag'.
6835 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6838 2006-03-01 Roger Sayle <roger@eyesopen.com>
6840 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6842 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6845 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6846 MACHO_DYNAMIC_NO_PIC_P.
6847 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6849 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6852 * config/darwin-protos.h (darwin_asm_output_anchor):
6854 * config/darwin-sections.def (cstring_section):
6855 Add SECTION_MERGE to the flags.
6856 (literal4_section): Likewise.
6857 (literal8_section): Likewise.
6858 (objc_selector_refs_section): Likewise.
6859 (objc_cls_refs_section): Likewise.
6860 * config/darwin.c (darwin_asm_output_anchor): New
6862 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6864 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6866 Fix PR tree-optimization/26443
6867 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6868 to todo and PROP_tmt_usage to properties_destroyed.
6869 * tree-ssa-ccp.c (pass_ccp): Ditto.
6870 (pass_store_ccp): Ditto.
6871 * tree-ssa-dom.c (pass_dominator): Ditto.
6873 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6875 * tree-ssa-operands.c: Cleanup whitespace.
6876 (get_asm_expr_operands): Move before first invocation.
6877 (get_indirect_ref_operands): Likewise.
6878 (get_tmr_operands): Likewise.
6879 (get_call_expr_operands): Likewise.
6880 (append_def): Likewise.
6881 (append_use): Likewise.
6882 (append_v_may_def): Likewise.
6883 (append_v_must_def): Likewise.
6884 (add_call_clobber_ops): Likewise.
6885 (add_call_read_ops): Likewise.
6886 (add_stmt_operand): Likewise.
6887 (add_virtual_operand): Likewise.
6888 (build_ssa_operands): Likewise.
6890 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6895 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6896 with a call expr to ...
6897 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6899 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6901 * tree-vrp.c (extract_range_from_assert): Remove special
6902 handling for types with super-types.
6904 2006-03-01 Ben Elliston <bje@au.ibm.com>
6906 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6907 and powerpc64-*-linux* configurations.
6908 * config/t-dfprules: New file.
6910 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6911 Compile dfp-bit.c from the source directory using -DWIDTH and
6912 $DFP_CFLAGS to control the compilation of that file, rather than
6913 generating width-specific versions in the build directory.
6914 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6915 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6917 2006-02-28 Zack Weinberg <zackw@panix.com>
6919 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6922 2006-02-28 Eric Christopher <echristo@apple.com>
6924 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6925 Set up IN_LIBGCC definition of TARGET_64BIT.
6926 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6928 2006-02-28 Roger Sayle <roger@eyesopen.com>
6931 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6932 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6933 cases via the construction of "expr != 0".
6935 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6937 * alias.c (alias_invariant, alias_invariant_size): Remove.
6938 (record_base_value): Remove.
6939 (memrefs_conflict_p): Don't look at alias_invariant.
6940 (end_alias_analysis): Don't free it.
6941 * alias.h (record_base_value): Remove prototype.
6943 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6944 Adam Nemet <anemet@caviumnetworks.com>
6946 * rtl.h (truncated_to_mode): Declare it.
6947 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6948 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6949 (RTL_HOOKS_INITIALIZER): Include it.
6950 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6951 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6952 reg_truncated_to_mode.
6953 * rtlanal.c (truncated_to_mode): Define it.
6954 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6956 2006-02-28 Jeff Law <law@redhat.com>
6958 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6959 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6960 the range allowed by TYPE_PRECISION.
6962 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6964 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6966 PR tree-optimization/26419
6967 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6970 2006-02-27 Zack Weinberg <zackw@panix.com>
6972 * doc/md.texi: Fix typo in previous change.
6974 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6978 2006-02-27 Zack Weinberg <zackw@panix.com>
6980 * rtl.def (define_constraint, define_register_constraint)
6981 (define_memory_constraint, define_address_constraint): New MD forms.
6982 * gensupport.c (process_rtx): Put define_constraint etc on the
6984 * genpreds.c (process_define_predicate): Adjust comment. Validate
6985 the name, and call validate_exp to validate the expression.
6986 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6987 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6988 all callers changed.
6989 (validate_exp, needs_variable, struct constraint_data)
6990 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6991 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6992 (const_dbl_constraints, constraint_max_namelen)
6993 (have_register_constraints, have_memory_constraints)
6994 (have_address_constraints, have_address_constraints)
6995 (have_extra_constraints, have_const_int_constraints)
6996 (have_const_dbl_constraints, mangle, add_constraint)
6997 (process_define_constraint, process_define_register_constraint)
6998 (write_enum_constraint_num, write_lookup_constraint)
6999 (write_insn_constraint_len, write_regclass_for_constraint)
7000 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7001 (write_insn_extra_memory_constraint)
7002 (write_insn_extra_address_constraint)
7003 (write_satisfies_constraint_fns): New.
7004 (write_tm_preds_h): If we have new-style constraint definitions,
7005 prototype the functions generated from them, and define the
7006 old constraint interface (still used by generic code) in terms of
7008 (write_insn_preds_c): If we have new-style constraint definitions,
7009 generate all relevant functions from those definitions.
7010 (main): Handle define_constraint etc.
7011 * genoutput.c (struct constraint_data, indep_constraints)
7012 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7013 (mdep_constraint_len): New data structures and functions, defined
7014 #ifdef USE_MD_CONSTRAINTS.
7015 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7016 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7017 use new logic to validate operand constraints against constraint
7019 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7021 * defaults.h: If none of the old-style constraint macros are
7022 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7023 old-style macros; and poison REG_CLASS_FROM_LETTER,
7024 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7026 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7027 * doc/md.texi: Document new constraint-definition mechanism and the
7028 C interface it provides. Remove references to old mechanism
7029 elsewhere in the document.
7030 (Machine Constraints): Use pathnames relative to gcc directory,
7031 i.e. config/ARCH/FILE. Change i386 section to refer to
7032 config/i386/predicates.md; update that section to match docstrings.
7033 * doc/tm.texi: Move all documentation of the old constraint-
7034 definition macros to their own section, clearly mark as obsolete.
7036 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7037 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7039 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7040 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7041 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7043 (splits and peepholes): Use satisfies_constraint_*.
7044 * config/i386/i386.c (memory_address_length)
7045 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7047 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7049 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7050 scalar operation to be put back into the loop.
7052 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7055 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7056 (extract_cie_info): Handle S flag in augmentation string.
7057 (execute_cfa_program): If context->signal_frame, execute also
7058 fs->pc == context->ra instructions.
7059 (uw_frame_state_for): If context->signal_frame, don't subtract one
7060 from context->ra to find FDE.
7061 (uw_update_context_1): Set context->signal_frame to
7063 (_Unwind_GetIPInfo): New function.
7064 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7065 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7067 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7068 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7069 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7070 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7071 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7072 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7073 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7074 x86_64_fallback_frame_state): Set fs->signal_frame.
7075 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7076 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7077 (frob_update_context): Likewise. Workaround missing S flag in
7078 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7079 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7080 Remove the psw_addr + 1 hack.
7082 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7084 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7085 with aggregates here.
7086 (find_func_aliases): Remove code for &<aggregate> from here.
7088 2006-02-26 Roger Sayle <roger@eyesopen.com>
7090 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7091 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7092 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7095 2006-02-26 Roger Sayle <roger@eyesopen.com>
7098 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7100 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7102 * opts.c (decode_options): Do not handle flag_strength_reduce.
7103 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7104 and OPT_fstrength_reduce.
7105 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7106 flag_prefetch_loop_arrays for being nonzero.
7107 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7109 (fprefetch-loop-arrays-rtl): Removed.
7110 (flag_prefetch_loop_arrays): Do not specify the value.
7112 * doc/passes.texi: Update documentation of loop optimizer
7114 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7115 -frerun-loop-opt): Remove.
7117 2006-02-26 Richard Guenther <rguenther@suse.de>
7119 PR tree-optimization/26421
7120 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7121 in function calls that are ADDR_EXPRs as using the whole structure.
7123 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7125 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7126 * tree-pass.h (pass_loop_optimize): Remove.
7127 * passes.c (pass_loop_optimize): Never run it.
7128 * toplev.c (backend_init): Don't call init_loop.
7129 * opts.c (flag_loop_optimize_set): Remove.
7130 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7131 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7132 the old RTL loop optimizer when profiling enabled.
7133 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7134 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7135 pre-headers for the sake of the old RTL loop optimizer.
7136 * Makefile.in: Remove all references to loop.o.
7138 * doc/invoke.texi: Remove all references to -floop-optimize
7139 and -frerun-loop-opt.
7141 2006-02-26 Zack Weinberg <zackw@panix.com>
7143 * doc/md.texi (Machine Constraints): Refer to all files with paths
7144 relative to gcc directory (i.e. config/CPU/file). Add missing
7145 @table @code ... @end table to M32C subsection.
7147 2006-02-26 Roger Sayle <roger@eyesopen.com>
7149 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7151 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7153 2006-02-26 Roger Sayle <roger@eyesopen.com>
7154 James A. Morrison <phython@gcc.gnu.org>
7157 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7158 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7159 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7160 signedness of the shift operation.
7162 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7164 PR tree-optimization/26359
7165 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7167 2006-02-25 Roger Sayle <roger@eyesopen.com>
7169 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7170 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7171 as X == 0, and some symmetry related transformations.
7172 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7174 2006-02-25 Roger Sayle <roger@eyesopen.com>
7177 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7178 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7179 symmetry related transformations. Fold (X^C1) == C2 as
7182 2006-02-25 Juergen Weigert <jw@suse.de>
7183 Richard Guenther <rguenther@suse.de>
7185 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7187 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7189 * combine.c (gen_lowpart_or_truncate): Call
7190 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7192 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7194 * doc/invoke.texi: Move -fopenmp description to "Options for
7196 Remove reference to -lgomp.
7198 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7200 * doc/install.texi: Require GNU tar version 1.14.
7202 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7204 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7205 * doc/invoke.texi (C++ Dialect Options): Document
7206 -fno-use-cxa-get-exception-ptr.
7207 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7208 * configure: Regenerate.
7209 * c.opt (fuse-cxa-get-exception-ptr): New.
7210 * c-opts.c (c_common_handle_option): Handle
7211 OPT_fuse_cxa_get_exception_ptr.
7212 * c-common.c (flag_use_cxa_atexit): Update documentation.
7213 (flag_use_cxa_get_exception_ptr): New.
7214 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7215 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7217 (C_COMMON_OVERRIDE_OPTIONS): New.
7219 2006-02-24 Roger Sayle <roger@eyesopen.com>
7222 * combine.c (try_combine): Explicitly check whether GET_CODE is
7223 a SET or a CLOBBER, instead on checking that it isn't a USE.
7225 2006-02-24 Roger Sayle <roger@eyesopen.com>
7227 * fold-const.c (fold_comparison): New subroutine of fold_binary
7228 containing transformations common to both the equality and
7229 ordering relational operators, factored out of fold_binary.
7230 (fold_binary): Separate out the equality operators (EQ_EXPR
7231 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7232 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7233 transformations common to both.
7234 (fold_div_compare): Fix latent bugs in the previously unreachable
7235 LT_EXPR and GE_EXPR cases.
7237 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7239 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7240 decl libname for clog to __clog on AIX.
7242 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7244 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7247 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7248 output traceback table for thunks. Localise rs6000_stack_info call.
7250 2006-02-23 Roger Sayle <roger@eyesopen.com>
7251 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7253 * gthr-posix.h (__gthrw): Fix typo in comment.
7255 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7257 * doc/cpp.texi (Character sets): Document that we do support
7258 input files to be in any character set.
7260 2006-02-23 Jeff Law <law@redhat.com>
7262 * tree.h (PHI_ARG_NONZERO): Remove.
7263 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7264 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7265 node to the new node.
7267 PR tree-optimization/26425
7268 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7269 min/max, then assume its varying.
7271 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7273 PR rtl-optimization/26316
7274 * rtlanal.c (enum may_trap_p_flags): New.
7275 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7276 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7277 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7278 (may_trap_after_code_motion_p): New function.
7279 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7280 (find_invariant_insn): Use may_trap_after_code_motion_p.
7281 * rtl.h (may_trap_after_code_motion_p): Declare.
7283 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7285 * emit-rtl.c (immed_double_const): Cleanup.
7287 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7289 Fix PR tree-optimization/26376
7290 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7293 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7296 * gimplify.c (omp_add_variable): Guard variable size decl test with
7297 DECL_SIZE (decl) check.
7299 2006-02-23 Richard Guenther <rguenther@suse.de>
7302 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7303 like aggregate types.
7305 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7307 * configure.ac: Add --with{,out}-long-double-128 configure option.
7308 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7309 * configure: Rebuilt.
7310 * config.in: Rebuilt.
7311 * doc/install.texi (Options specification): Document
7312 --with-long-double-128.
7314 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7315 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7316 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7317 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7319 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7321 * config/s390/s390.c (override_options): Handle
7322 TARGET_DEFAULT_LONG_DOUBLE_128.
7324 * config/alpha/alpha.c (override_options): Handle
7325 TARGET_DEFAULT_LONG_DOUBLE_128.
7327 * config/sparc/sparc.c (sparc_override_options): Handle
7328 TARGET_DEFAULT_LONG_DOUBLE_128.
7330 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7332 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7333 (real-install-headers-tar, real-install-headers-cpio)
7334 (real-install-headers-cp): New targets.
7336 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7338 * tree.h (variable_section): Delete.
7339 * varasm.c (variable_section): Delete.
7341 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7343 * install.texi: Add notes on install.texi2html.
7344 (Building in parallel): Do not use footnotes.
7346 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7349 * doc/install.texi (Configuration): Document --disable-libgomp.
7351 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7353 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7355 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7357 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7358 (vec_extractv2df_0_sse): New.
7360 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7362 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7363 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7364 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7365 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7366 to the result of the expression.
7367 (def_cfa_1): Adjust.
7368 (frame_pointer_cfa_offset): Rename to...
7369 (frame_pointer_fb_offset): ... this. Adjust all uses.
7370 (convert_cfa_to_loc_list): Rename to...
7371 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7372 Pass it on to build_cfa_loc.
7373 (compute_frame_pointer_to_cfa_displacement): Rename to...
7374 (compute_frame_pointer_to_fb_displacement): ... this. New
7375 offset parameter. Use it in computation.
7376 (gen_subprogram_die): Compute cfa_fb_offset with the new
7377 macro, and use it to compute the fb loc list and the
7380 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7382 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7383 replaced with register_operand.
7384 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7385 non-DREG is expensive.
7386 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7387 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7390 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7392 * doc/install.texi2html: Use set -e.
7394 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7396 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7397 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7398 * doc/invoke.texi (-fshared-data): Delete.
7399 * common.opt (fshared-data): Delete.
7400 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7401 (assemble_static_space): Remove #if 0 code.
7402 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7403 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7404 * config/cris/cris.h: Remove FIXME.
7406 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7408 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7411 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7414 * combine.c (simplify_shift_const_1): Disable nested shifts
7415 optimization for vector shifts.
7417 2006-02-20 Roger Sayle <roger@eyesopen.com>
7419 PR tree-optimization/26361
7420 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7421 of unsigned integer types.
7423 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7425 * tree-chrec.c (eq_evolutions_p): New.
7426 * tree-chrec.h (eq_evolutions_p): Declared.
7427 * tree-data-ref.c: Fix formatting.
7428 (datadep_stats, dependence_stats): New.
7430 (print_direction_vector): New.
7431 (dump_data_dependence_relation): Use print_direction_vector.
7432 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7433 (compute_subscript_distance): Static.
7434 (initialize_data_dependence_relation): Static. Get the number
7435 of loops surrounding the references from the callers, and initialize
7436 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7437 base_object_differ_p analyzers.
7438 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7439 compute_overlap_steps_for_affine_1_2,
7440 analyze_subscript_affine_affine): Count the classified dependences.
7441 Print a message when a test failed.
7442 (can_use_analyze_subscript_affine_affine): New.
7443 (analyze_siv_subscript): Compute the data dependences on symbolic
7444 scevs that verify can_use_analyze_subscript_affine_affine.
7445 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7446 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7447 Handle symbolic scevs.
7448 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7450 (subscript_dependence_tester): Moved...
7451 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7452 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7453 DDR_SIZE_VECT instead of getting it in parameter.
7454 (subscript_dependence_tester): ... here. Take as a parameter
7455 loop_nest_depth. Call build_classic_dist_vector and
7456 build_classic_dir_vector.
7457 (compute_affine_dependence): Update subscript_dependence_tester
7458 parameters. Update datadep_stats counters. Call
7459 compute_subscript_distance.
7460 (compute_self_dependence): Save the dist and dir vectors. Call
7461 compute_subscript_distance.
7462 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7463 (compute_all_dependences): Reorder parameters as they were before
7464 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7465 compute_subscript_distance. Update the use of
7466 compute_affine_dependence and initialize_data_dependence_relation.
7467 (find_data_references_in_loop): Handle COMPONENT_REF.
7468 (compute_data_dependences_for_loop): Initialize dependence_stats.
7469 Don't call build_classic_dist_vector and build_classic_dir_vector.
7470 Update the parameters of initialize_data_dependence_relation and
7471 compute_all_dependences. Print the statistics from datadep_stats.
7472 (analyze_all_data_dependences): Static. Not used until the pass for
7473 checking the data dependences is contributed.
7474 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7475 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7476 (initialize_data_dependence_relation, compute_affine_dependence,
7477 analyze_all_data_dependences, compute_subscript_distance): Removed.
7478 (print_direction_vector): New.
7479 * lambda.h (gcd): ... here.
7480 (lambda_vector_gcd): Moved here from gcd_vector.
7481 * lambda-code.c (gcd, gcd_vector): Removed.
7482 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7483 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7485 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7487 * ipa-type-escape.c: Tidy some comments and white space.
7488 * tree-ssa-operands.c: Likewise.
7490 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7493 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7494 (dump_decl_name): Do not walk the decl tree chains.
7495 * tree-pass.h (TDF_CHAIN): Remove.
7497 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7499 * Makefile.in (C): Remove
7501 (.PHONY): Remove C and PROTO
7503 2006-02-20 Roger Sayle <roger@eyesopen.com>
7506 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7507 deprecated CHAR_TYPE tree code.
7509 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7511 * configure.ac (target_list): Add install-info, dvi, html.
7512 * configure: Regenerate.
7514 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7515 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7516 treelang/Make-lang.in: Do not use double-colon rules.
7518 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7520 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7521 (TMT_USED_ALONE): New macro.
7522 * tree-pass.h (PROP_tmt_usage): New property.
7523 (TODO_update_tmt_usage): New todo.
7524 * tree-ssa-alias.c (updating_used_alone): New variable.
7525 (recalculate_used_alone): New function.
7526 (compute_may_aliases): Set updating_used_alone, call
7527 recalculate_used_alone.
7528 * tree-sra.c (pass_sra): Note that this pass destroys
7529 PROP_tmt_usage, and add TODO_update_tmt_usage.
7530 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7531 * tree-flow.h (updating_used_alone): Prototype.
7532 (recalculate_used_alone): Ditto.
7533 * passes.c (execute_todo): Add code to set updating_used_alone,
7534 and call recalculate.
7535 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7536 for clobber if used alone, and add assert to verify used_alone
7539 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7541 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7542 for non tls symbols added.
7543 (legitimize_address): Do nothing for PLUS expressions if one of the
7544 addends is a tls symbol reference.
7546 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7550 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7552 * Makefile.in (BOOTSTRAPPING): New.
7553 (quickstrap): New definition if BOOTSTRAPPING=yes.
7555 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7556 * configure.ac: Substitute all_selected_languages with the languages
7557 that were configured. For all the other variables except
7558 lang_specs_files, include all the languages in the tree.
7559 * configure: Regenerate.
7561 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7562 if there is one. Run the commands to run fixincludes in the same
7565 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7566 * doc/install.texi: Document exact conventions for searching target tools.
7567 Document --with-build-time-tools. Document toplevel bootstrap. Document
7568 something more about building an Ada cross-compiler. Don't list GNU Make
7569 requirements which affect all platforms.
7571 2006-02-19 Roger Sayle <roger@eyesopen.com>
7574 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7575 only equivalent if the have both the same mode and precision.
7577 2006-02-20 Ben Elliston <bje@au.ibm.com>
7579 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7581 2006-02-19 Roger Sayle <roger@eyesopen.com>
7582 Steven Bosscher <stevenb.gcc@gmail.com>
7584 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7585 constant pool references to identify stack mode constants.
7586 * rtlanal.c (constant_pool_constant_p): New predicate to check
7587 whether operand is a floating point constant in the pool.
7588 * rtl.h (constant_pool_constant_p): Prototype here.
7589 * loop.c (scan_loop): Avoid hoisting constants from the constant
7590 pool on STACK_REGS targets.
7591 (load_mems): Likewise.
7592 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7593 loads into x87 registers expensive in terms of register pressure.
7595 2006-02-19 Roger Sayle <roger@eyesopen.com>
7597 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7598 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7600 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7602 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7603 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7605 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7607 * doc/invoke.texi: Document -fipa-pta.
7608 * common.opt: Add ipa-pta option.
7609 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7610 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7611 (do_ds_constraint): Ditto.
7612 (get_constraint_for): Only add to referenced_vars if
7613 referenced_vars exists.
7614 (insert_into_field_list): Rewrite to do this unsorted.
7615 (insert_into_field_list_sorted): Rename old insert_into_field_list
7617 (create_function_info_for): Use insert_into_field_list_sorted.
7618 (create_variable_info_for): Rewrite so it uses unsorted version,
7619 since the field list is sorted.
7620 (intra_create_variable_infos): Only add to referenced_vars if
7621 referenced_vars exists.
7622 (ipa_pta_execute): Init heapvars, and delete when done.
7623 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7625 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7627 * doc/install.texi: Add missing `@samp'.
7629 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7631 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7634 2006-02-18 Mark Wielaard <mark@klomp.org>
7636 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7637 who added new 4.1 features, bug fixes and integration support.
7639 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7642 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7645 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7647 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7648 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7649 (copy_insn_1): Likewise. Don't copy each field individually.
7651 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7653 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7654 * rtl.c (rtx_size): Rename variable to...
7655 (rtx_code_size): ...this.
7656 (rtx_size): New function.
7657 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7658 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7660 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7661 * rtl.h (rtx_code_size): New variable.
7662 (rtx_size): Change from a variable to a function.
7663 (RTX_SIZE): Rename to...
7664 (RTX_CODE_SIZE): ...this.
7667 PR tree-optimization/17106
7668 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7669 (Anchored Addresses): New section.
7670 * doc/invoke.texi (-fsection-anchors): Document.
7671 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7672 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7673 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7674 * hooks.c (hook_bool_mode_rtx_false): New function.
7675 * hooks.h (hook_bool_mode_rtx_false): Declare.
7676 * gengtype.c (create_optional_field): New function.
7677 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7678 SYMBOL_REF_IN_BLOCK_P is true.
7679 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7680 (min_anchor_offset, max_anchor_offset): Likewise.
7681 (use_anchors_for_symbol_p): New hook.
7682 * toplev.c (compile_file): Call output_object_blocks.
7683 (target_supports_section_anchors_p): New function.
7684 (process_options): Check that -fsection-anchors is only used on
7685 targets that support it and when -funit-at-a-time is in effect.
7686 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7687 if the decl doesn't have one.
7688 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7689 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7690 of force_const_mem through use_anchored_address.
7691 (expand_expr_constant): New function.
7692 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7693 calling expand_expr for INDIRECT_REF.
7694 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7695 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7696 * expr.h (use_anchored_address): Declare.
7697 * loop-unroll.c: Don't declare rtx vectors here.
7698 * explow.c: Include output.h.
7699 (validize_mem): Call use_anchored_address.
7700 (use_anchored_address): New function.
7701 * common.opt (-fsection-anchors): New switch.
7702 * varasm.c (object_block_htab, anchor_labelno): New variables.
7703 (hash_section, object_block_entry_eq, object_block_entry_hash)
7704 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7705 (use_blocks_for_decl_p, change_symbol_section): New functions.
7706 (get_variable_section): New function, split out from assemble_variable.
7707 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7708 use_blocks_for_decl_p say so. Use change_symbol_section if the
7709 symbol has already been created.
7710 (assemble_variable_contents): New function, split out from...
7711 (assemble_variable): ...here. Don't output any code for
7712 block symbols; just pass them to place_block_symbol.
7713 Use get_variable_section and assemble_variable_contents.
7714 (get_constant_alignment, get_constant_section, get_constant_size): New
7715 functions, split from output_constant_def_contents.
7716 (build_constant_desc): Create a block symbol if use_object_blocks_p
7717 says so. Or into SYMBOL_REF_FLAGS.
7718 (assemble_constant_contents): New function, split from...
7719 (output_constant_def_contents): ...here. Don't output any code
7720 for block symbols; just pass them to place_section_symbol.
7721 Use get_constant_section and get_constant_alignment.
7722 (force_const_mem): Create a block symbol if use_object_blocks_p and
7723 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7724 (output_constant_pool_1): Add an explicit alignment argument.
7725 Don't switch sections here.
7726 (output_constant_pool): Adjust call to output_constant_pool_1.
7727 Switch sections here instead. Don't output anything for block symbols;
7728 just pass them to place_block_symbol.
7729 (init_varasm_once): Initialize object_block_htab.
7730 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7731 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7732 (place_block_symbol, get_section_anchor, output_object_block)
7733 (output_object_block_htab, output_object_blocks): New functions.
7734 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7735 (TARGET_ASM_OUT): Include it.
7736 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7737 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7738 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7739 (TARGET_INITIALIZER): Include them.
7740 * rtl.c (rtl_check_failed_block_symbol): New function.
7741 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7742 (block_symbol, object_block): New structures.
7743 (rtx_def): Add a block_symbol field to the union.
7744 (BLOCK_SYMBOL_CHECK): New macro.
7745 (rtl_check_failed_block_symbol): Declare.
7746 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7747 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7748 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7749 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7750 * output.h (output_section_symbols): Declare.
7751 (object_block): Name structure.
7752 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7753 (default_use_anchors_for_symbol_p): Declare.
7754 * Makefile.in (RTL_BASE_H): Add vec.h.
7755 (explow.o): Depend on output.h.
7756 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7757 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7758 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7759 (rs6000_use_blocks_for_constant_p): New function.
7761 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7763 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7765 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7768 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7771 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7773 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7777 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7780 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7781 instead of DECL_REGISTER.
7783 2006-02-18 Olivier Hainque <hainque@adacore.com>
7786 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7788 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7791 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7792 * opth-gen.awk: Handle Var and InverseMask together.
7793 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7794 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7795 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7796 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7798 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7799 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7800 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7801 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7802 LINUX_DYNAMIC_LINKER): Define.
7803 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7804 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7806 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7807 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7808 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7809 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7810 (TARGET_C99_FUNCTIONS): Don't define.
7811 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7812 GLIBC_DYNAMIC_LINKER.
7813 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7814 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7815 GLIBC_DYNAMIC_LINKER64): Define.
7816 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7817 LINUX_DYNAMIC_LINKER64.
7818 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7819 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7820 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7821 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7822 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7823 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7824 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7825 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7826 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7827 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7828 and LINUX_DYNAMIC_LINKER32.
7829 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7830 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7831 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7832 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7833 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7835 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7836 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7837 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7838 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7839 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7840 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7841 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7842 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7843 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7844 LINUX_DYNAMIC_LINKER): Define.
7845 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7846 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7847 GLIBC_DYNAMIC_LINKER64): Define.
7848 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7849 LINUX_DYNAMIC_LINKER64.
7850 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7851 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7852 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7853 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7854 LINUX_DYNAMIC_LINKER): Define.
7855 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7856 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7857 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7858 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7859 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7860 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7861 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7862 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7863 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7864 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7865 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7866 * doc/invoke.texi (-muclibc): Remove caveat about supported
7869 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7871 * doc/cpp.texi (__TIMESTAMP__): Document.
7873 2006-02-17 Roger Sayle <roger@eyesopen.com>
7876 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7877 C is one less than the width of X (and related transformations).
7878 * simplify-rtx.c (simplify_unary_operation_1): Transform
7879 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7880 depending on STORE_FLAG_VALUE, were C is one less then the
7883 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7885 Fix PR tree-optimization/26341
7886 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7887 about NAME_MEMORY_TAG's.
7889 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7892 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7893 with hardware float support, and software float support. Add fcpy
7894 alternative to hardware patterns. Add alternatives to copy between
7895 general and floating-point registers to the 32-bit pattern.
7896 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7897 secondary reload to load a QI or HI mode constant into a floating
7899 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7900 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7902 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7905 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7907 (load_macho_picbase_di): Likewise.
7909 2006-02-16 Jeff Law <law@redhat.com>
7911 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7912 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7913 (ssa_name_nonzero_p): Likewise.
7914 (get_value_range): Return NULL if VRP is not running.
7915 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7916 VRP routines do not discover a range.
7917 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7918 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7919 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7920 (tree_expr_nonnegative_p): Similarly.
7921 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7922 (restore_nonzero_vars_to_original_value): Remove.
7923 (unsafe_associative_fp_binop): Remove.
7924 (tree_ssa_dominator_optimize): Remove initialization and
7925 finalization of nonzero_vars and nonzero_vars_stack.
7926 (dom_opt_initialize_block): No longer push marker on
7928 (dom_opt_finalize_block): No longer call
7929 restore_nonzero_vars_to_original_value.
7930 (record_equivalences_from_phis): No longer look for
7931 nonzero PHI arguments.
7932 (cprop_into_successor_phis): No longer propagate nonzero
7933 property into PHI arguments. Lose unused argument. Caller
7935 (record_equivalences_from_stmt): No longer record nonzero
7936 values for SSA_NAMEs.
7937 (lookup_avail_expr): No longer use nonzero_vars.
7939 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7940 for sizetype when sizetype is unsigned.
7942 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7944 PR rtl-optimization/25603
7945 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7946 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7947 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7948 with new meaning of SETS.
7950 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7955 * config/linux.opt: New file.
7956 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7957 LINUX_DYNAMIC_LINKER): Define.
7958 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7959 * config.gcc (*-*-linux*): Define extra_options.
7960 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7961 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7962 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7963 GLIBC_DYNAMIC_LINKER.
7964 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7965 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7966 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7967 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7968 * doc/invoke.texi (GNU/Linux Options): New section.
7970 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7972 * config/sparc/sparc.md (setjmp): Rewrite.
7973 (setjmp_32): Delete.
7974 (setjmp_64): Likewise.
7976 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7978 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7981 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7983 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7986 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7988 PR rtl-optimization/26296
7989 * Makefile.in (loop-invariant.c): Add except.h dependency.
7990 * loop-invariant.c: Include except.h.
7991 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7993 2005-02-16 Paul Brook <paul@codesourcery.com>
7995 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7998 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8000 PR rtl-optimization/25636
8001 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8002 when deciding whether an insn is an initializing insn.
8004 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8006 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8007 (tree_code_size): Ditto.
8008 * tree.h (struct tree_memory_tag): Remove parent_var.
8009 (struct tree_struct_field_tag): New.
8012 (union tree_node): Add sft member.
8013 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8015 (create_sft): Add size and offset argument, set SFT_OFFSET and
8017 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8018 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8019 * tree-flow-inline.h (get_subvar_at): Update for
8020 SFT_OFFSET/SFT_SIZE.
8021 (var_can_have_subvars): Ditto.
8022 (overlap_subvar): Ditto.
8023 * print-tree.c (print_node): Print out interesting things for
8025 * tree-flow.h (struct subvar): Remove offset and size members.
8026 * tree-ssa-operands.c (get_expr_operands): Update for
8027 get_indirect_ref_operands changes.
8028 (get_indirect_ref_operands): Call add_virtual_operand instead of
8029 add_stmt_operand. Only recurse on base var if requested.
8030 (access_can_touch_variable): New function.
8031 (add_stmt_operand): Split virtual operand handling into ...
8032 (add_virtual_operand): Here. Add offset, size, and for_clobber
8033 arguments. Prune alias sets.
8034 (add_call_clobber_ops): Call add_virtual_operand.
8036 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8039 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8041 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8042 than TREE_CODE as index into omp_clause_num_ops array.
8044 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8046 PR rtl-optimization/26184
8047 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8049 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8050 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8051 must_precede, must_follow and tobe_scheduled.
8054 * opts.c (common_handle_option): Free new_option pointer.
8055 * df-core.c (df_analyze): Free postorder pointer.
8057 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8059 * Makefile.in: Fix the examples about the use of stamps
8061 2006-02-15 Michael Matz <matz@suse.de>
8065 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8066 influenced by maximum_field_alignment or DECL_PACKED.
8067 (update_alignment_for_field): Ditto.
8068 (place_field): Ditto.
8069 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8072 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8074 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8075 (debug_flow_info): Pass it.
8076 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8077 * bb-reorder.c (reorder_basic_blocks): Likewise.
8078 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8079 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8080 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8081 * gcse.c (gcse_main, bypass_jumps): Likewise.
8082 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8083 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8084 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8085 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8086 * rtl.h (dump_flow_info): Adjust prototype.
8087 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8088 * var-tracking.c (variable_tracking_main): Likewise.
8089 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8090 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8093 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8095 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8098 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8100 PR tree-optimization/26209
8101 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8102 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8104 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8106 2006-02-14 Roger Sayle <roger@eyesopen.com>
8109 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8110 (X,Y) and the corresponding symmetry related transformations.
8111 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8112 (X,Y) and its symmetry related transformations.
8114 2006-02-14 Roger Sayle <roger@eyesopen.com>
8116 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8119 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8121 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8123 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8126 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8127 support COMDAT group.
8128 * configure: Regenerate.
8130 2006-02-14 Roger Sayle <roger@eyesopen.com>
8135 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8137 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8139 Fix PR tree-optimization/26260
8141 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8143 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8144 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8145 * tree-ssa-structalias.c (create_variable_info_for): Use
8146 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8148 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8150 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8152 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8153 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8154 of the ending condition.
8155 * tree-ssa-loop-manip.c: Include params.h.
8156 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8157 tree_unroll_loop): New functions.
8158 * tree-pass.h (pass_loop_prefetch): Declare.
8159 * loop.c (rest_of_handle_loop_optimize): Test for
8160 -fprefetch-loop-arrays-rtl.
8161 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8162 * timevar.def (TV_TREE_PREFETCH): New timevar.
8163 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8164 pass_loop_prefetch): New.
8165 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8166 (cleanup_tree_cfg_loop): Call scev_reset.
8167 * common.opt (fprefetch-loop-arrays-rtl): Add.
8168 * tree-ssa-loop-prefetch.c: New file.
8169 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8170 (new_temp_expr_table): Initialize expr_vars.
8171 (free_temp_expr_table): Cleanup expr_vars.
8172 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8173 expressions from being merged into one.
8174 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8175 (struct tree_niter_desc): Add control, bound and cmp fields.
8176 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8178 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8179 (tree-cfgcleanup.o): Add SCEV_H dependency.
8180 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8181 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8183 2006-02-14 Richard Guenther <rguenther@suse.de>
8185 PR tree-optimization/26258
8186 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8187 in PHI argument processing.
8189 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8191 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8192 new expression in the requested machine mode.
8194 2006-02-13 Roger Sayle <roger@eyesopen.com>
8196 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8197 directly, instead let do_compare_rtx_and_jump handle this for us.
8198 * expr.c (expand_expr_real_1): Likewise.
8199 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8200 before do_jump_by_parts_greater.
8201 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8202 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8204 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8206 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8208 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8210 PR rtl-optimization/26235
8211 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8212 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8215 2006-02-13 Jeff Law <law@redhat.com>
8217 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8220 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8223 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8224 twice if decl is a builtin. When trying again, call get_callee_fndecl
8225 first to verify it is still a builtin.
8227 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8229 * dwarf2out.c (base_type_die): Don't add AT_name here.
8230 (subrange_type_die): Don't add AT_name here.
8231 (modified_type_die): Rearrange code flow. Do add AT_name here.
8233 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8235 PR rtl-optimization/26247
8236 PR rtl-optimization/26248
8237 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8239 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8241 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8242 * config/fixtfdi.c: Likewise.
8243 * config/fixunstfdi.c: Likewise.
8244 * config/floatditf.c: Likewise.
8246 2006-02-13 Roger Sayle <roger@eyesopen.com>
8249 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8250 into (X,C2) if C1 is a subset of the bits of C2. Transform
8251 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8253 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8255 2006-02-13 Josh Conner <jconner@apple.com>
8258 * varasm.c (function_section): Check for section name before
8259 calling select_section on targets that define
8260 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8261 unlikely_text_section instead of hot_function_section if
8262 first_function_block_is_cold.
8264 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8267 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8269 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8271 PR rtl-optimization/26222
8272 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8273 after tree->rtl expansion.
8274 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8275 before passing it to emit_move_insn.
8277 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8279 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8281 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8282 Clarify documentation.
8283 * c-common.h (warn_write_strings): Remove.
8284 * c-common.c (warn_write_strings): Likewise.
8285 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8288 2006-02-12 Roger Sayle <roger@eyesopen.com>
8291 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8292 (do_jump_parts_zero_rtx): New function renamed from
8293 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8294 (do_jump_parts_equality_rtx): New function split out from
8295 do_jump_parts_equality. Old implementation renamed as above.
8296 Call do_jump_parts_zero_rtx if either operand is zero.
8297 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8298 do all of the heavy lifting.
8299 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8300 calling either do_jump_by_parts_greater_rtx or
8301 do_jump_by_parts_equality_rtx.
8302 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8303 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8304 moved to do_compare_rtx_and_jump, call it directly.
8305 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8306 mode argument. Call do_compare_rtx_and_jump.
8307 (emit_case_nodes): Update calls to do_jump_if_equal.
8309 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8311 PR rtl-optimization/26225
8312 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8314 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8316 PR rtl-optimization/26232
8317 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8319 2006-02-11 Jason Merrill <jason@redhat.com>
8322 * tree-inline.c (declare_return_variable): Just don't use the
8323 modify target if it's a gimple complex reg and the return slot
8326 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8328 * doc/contrib.texi: Update my entry.
8330 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8332 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8334 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8336 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8339 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8341 * doc/invoke.texi (-floop-optimize2): Removed.
8342 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8343 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8344 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8345 * common.opt (floop-optimize2): Removed.
8346 (fmove-loop-invariants): Enabled by default.
8348 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8350 * tree-if-conv.c (combine_blocks): Free the result of
8351 get_loop_exit_edges.
8353 2006-02-10 Jeff Law <law@redhat.com>
8355 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8357 PR tree-optimization/26213
8358 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8359 loop trying to follow SSA_NAME_VALUE chains.
8361 2006-02-10 Richard Guenther <rguenther@suse.de>
8363 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8364 deal with structures that end in implicitly variable sized arrays.
8366 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8368 PR rtl-optimization/24762
8369 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8372 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8374 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8375 (struct ivopts_data): Add regs_used field.
8376 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8377 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8378 instead of loop_data->regs_used;
8379 (free_loop_data): Do not free aux fields for loops.
8380 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8381 and tree_ssa_iv_optimize_finalize.
8383 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8385 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8387 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8390 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8391 computing the effective result type.
8393 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8396 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8397 (tree_overlaps_hard_reg_set): Declare.
8398 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8399 type and signature to match function type expected by walk_tree.
8400 (tree_overlaps_hard_reg_set): New function.
8401 (decl_conflicts_with_clobbers_p): Rename to:
8402 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8403 Use tree_overlaps_hard_reg_set. Changed caller.
8404 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8405 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8406 * cris.c (cris_md_asm_clobbers): Likewise.
8408 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8410 * reload1.c (emit_input_reload_insns): Delete code that tries to
8411 inherit using find_equiv_reg.
8413 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8415 * c-common.h (flag_const_strings): Don't declare.
8416 * c-common.c (flag_const_strings): Remove.
8417 * c.opt (fconst_strings): Remove.
8418 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8419 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8420 (c_common_init_options): Don't set flag_const_strings.
8421 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8423 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8425 * arm.md (tlobits_cbranch): New pattern.
8426 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8427 testing a single bit.
8429 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8432 * tree-ssa-pre.c (create_component_ref_by_pieces):
8433 Handle RETURN_DECL like VAR_DECL.
8435 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8438 * fold-const.c (fold_indirect_ref_1): Fold
8439 "*(foo *)&complexfoo" to "__real__ complexfoo"
8440 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8442 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8444 * tree-flow-inline.h (var_can_have_subvars):
8445 Volatile variables should not have subvariables.
8447 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8450 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8451 multiplying unsigned values.
8454 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8456 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8458 2006-02-08 Jason Merrill <jason@redhat.com>
8461 * tree.def: Elaborate on difference from MODIFY_EXPR.
8462 * doc/c-tree.texi (INIT_EXPR): Likewise.
8463 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8464 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8465 (gimplify_target_expr): Likewise.
8466 (gimplify_cond_expr): Remove target handling.
8467 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8468 (gimplify_expr): Clobber it here.
8469 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8470 Do return slot optimization if we have an INIT_EXPR.
8473 * tree-inline.c (declare_return_variable): Also clear
8474 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8477 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8480 * gimplify.c (gimplify_one_sizepos): Fix typo.
8482 2006-02-08 Jeff Law <law@redhat.com>
8484 PR tree-optimization/21417
8485 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8486 across a backedge if the control statement at the end of the
8487 block is data dependent on other statements in the same block.
8488 (record_temporary_equivalences_from_stmts): Remove over-conservative
8489 test for threading across backedges.
8491 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8492 control statement, handle all three special cases in the same
8493 manner as they all have the same desired solution. No longer
8494 special case edge flag updating when the post dominator is
8497 2006-02-08 Roger Sayle <roger@eyesopen.com>
8499 * tree.def (CHAR_TYPE): Remove.
8500 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8501 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8502 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8503 (gen_string_type_die): Delete unreachable function.
8505 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8506 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8507 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8508 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8509 * builtins.c (type_to_class): Likewise.
8510 * fold-const.c (fold_convert, build_range_check,
8511 merge_ranges): Likewise.
8512 * expr.c (count_type_elements): Likewise.
8513 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8514 * stor-layout.c (layout_type): Likewise.
8515 * ipa-type-escape.c (type_to_consider): Likewise.
8516 * gimplify.c (omp_firstprivatize_type_sizes,
8517 gimplify_type_sizes): Likewise.
8518 * explow.c (promote_mode): Likewise.
8519 * tree-sra.c (is_sra_scalar_type): Likewise.
8520 * varasm.c (output_constant): Likewise.
8521 * tree-inline.c (remap_type_1): Likewise.
8522 * convert.c (convert_to_pointer, convert_to_real,
8523 convert_to_integer, convert_to_complex): Likewise.
8525 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8527 * df-scan.c (df_def_record_1): A set destination may
8528 be a parallel regardless of mode.
8530 2006-02-08 Roger Sayle <roger@eyesopen.com>
8533 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8534 * config/mips/_tilib.c: Remove.
8535 * config/fixtfdi.c: New libgcc source file.
8536 * config/fixunstfdi.c: New source file.
8537 * config/floatditf.c: New source file.
8538 * config/floatunditf.c: New souce file.
8539 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8540 files above instead of config/mips/_tilib.c.
8541 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8543 2006-02-08 Jeff Law <law@redhat.com>
8545 PR tree-optimization/26169
8546 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8549 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8551 * df.h (DF_REG_SIZE): Return the length of the initialized
8554 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8556 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8557 __muldf3): Return a correctly signed zero.
8559 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8561 * passes.c (register_one_dump_file): Accept the current properties
8562 instead of pass number. Adjust call to dump_register. Remove
8564 (register_dump_files): Now a wrapper around...
8565 (register_dump_files_1): ... this one. Do not modify the pass
8567 (next_pass_1): Cosmetic fix.
8568 (execute_todo): Keep second parameter only. Use curr_properties
8569 instead of fetching it from the pass structure. Check and set
8571 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8572 instead of fetching it from the pass structure. Fix calls to
8573 execute_todo. Update curr_properties and initialize .vcg RTL dump
8574 after running the pass. Reset last_verified.
8575 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8577 (FIRST_AUTO_NUMBERED_DUMP): New.
8578 (dump_register): Remove "num" parameter, assign it within the
8580 (get_dump_file_name): Modify template for dumps.
8581 * tree-dump.h (dump_register): Adjust prototype.
8582 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8583 (PROP_trees): Add PROP_gimple_lomp.
8584 (TODO_set_props): New.
8585 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8586 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8587 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8589 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8591 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8592 (sparc64-*-linux*): Likewise.
8593 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8594 * config/sparc/t-linux: New file.
8595 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8596 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8597 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8598 -m32 -mlong-double-128.
8600 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8601 * config/alpha/t-linux: New file.
8602 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8604 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8605 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8606 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8607 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8608 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8609 (CPP_ARCH32_SPEC): Remove.
8611 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8613 PR tree-optimization/26145
8614 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8617 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8620 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8621 >= 240000 when generating code for SOM runtime.
8622 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8623 to $$dyncall when generating code for SOM runtime..
8625 2006-02-07 Dirk Mueller <dmueller@suse.com>
8628 * doc/invoke.texi (-Wsequence-point): Update documentation
8629 that -Wsequence-point is implemented for C++ as well.
8631 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8633 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8634 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8635 (LIB_SPEC): Likewise.
8636 * doc/invoke.texi (SPARC options): Document -pthread.
8638 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8640 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8643 2006-02-07 Roger Sayle <roger@eyesopen.com>
8645 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8646 Correct comment describing BOOLEAN_TYPE.
8648 2006-02-07 Dirk Mueller <dmueller@suse.com>
8650 * c.opt: C++ frontend supports -Wdiv-by-zero.
8651 * c-opts.c (c_common_handle_option): Remove dead case.
8653 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8655 * configure.ac (TLS assembler check): Do not enable TLS by
8656 default on SPARC/Solaris before version 10.
8657 * configure: Regenerate.
8659 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8661 * doc/invoke.texi (xl-compat): Document conversion and support
8664 2006-02-07 Jeff Law <law@redhat.com>
8666 * tree-vrp.c (find_conditional_asserts): Update comments.
8667 (simplify_stmt_for_jump_threading): New.
8668 (identify_jump_threads, finalize_jump_threads): New.
8669 (vrp_finalize): Call identify_jump_threads.
8670 (execute_vrp): Call finalize_jump_threads.
8671 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8672 (vrp_element, vrp_data, vrp_element_p): Remove.
8673 (vrp_hash_elt, vrp_variables_stack): Remove.
8674 (vrp_hash, vrp_eq, record_range): Remove.
8675 (simplify_cond_and_lookup_avail_expr): Remove.
8676 (extract_range_from_cond): Remove.
8677 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8678 (simplify_stmt_for_jump_threading): New.
8679 (dom_thread_across_edge): New wrapper.
8680 (tree_ssa_dominator_optimize): No longer initialize or
8681 finalize any of the VRP datastructures. Remove iteration
8682 step and simplify as a result of removal of iteration step.
8683 (pass_dominator): Perform a cfg cleanup after DOM.
8684 (dom_opt_finalize_block): Use the new common routines
8685 for threading jumps. Simplify stack management slightly.
8686 No longer need to unwind VRP state.
8687 (record_equivalences_from_incoming_edge): No longer record
8689 (eliminate_redundant_computations): No longer call
8690 simplify_cond_and_lookup_avail_expr.
8691 * tree-flow.h (potentially_threadable_block): Prototype.
8692 (thread_across_edge): Likewise.
8693 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8694 (tree-ssa-threadedge.o): Add dependencies.
8695 * tree-ssa-threadedge.c: New file.
8696 * passes.c (init_optimization_passes): Merge PHIs before
8697 calling VRP. Run VRP again late in the SSA optimization pipeline.
8699 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8701 * df-core.c (df_set_blocks): Do not dereference function pointers.
8702 (df_finish1): Likewise.
8703 (df_hybrid_search_forward): Likewise.
8704 (df_hybrid_search_backward): Likewise.
8705 (df_iterative_dataflow): Likewise.
8706 (df_analyze_problem): Likewise.
8707 (df_compact_blocks): Likewise.
8708 (df_dump): Likewise.
8709 * df-scan.c (df_rescan_blocks): Likewise.
8710 (df_record_entry_block_defs): Likewise.
8712 * genconditions.c (write_conditions): Guard the definition of
8713 'insn_conditions' with the check on GCC version.
8714 (write_writer): Guard the traversal 'insn_conditions' with
8715 the check on GCC version.
8717 2006-02-07 Richard Guenther <rguenther@suse.de>
8721 2006-01-30 Richard Guenther <rguenther@suse.de>
8723 * gimplify.c (gimplify_target_expr): Handle easy cases
8724 without creating a temporary.
8726 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8728 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8729 use of float in probability computations. Use edge probabilities
8730 in place of statically computed probabilities.
8731 (min_spec_prob): New static variable.
8732 (schedule_insns): Initialize it.
8733 (GET_SRC_PROB): Removed.
8734 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8736 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8739 * config/ia64/unwind-ia64.c: Revert last change.
8740 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8741 (INCOMING_FRAME_SP_OFFSET): Define.
8743 2006-02-06 Roger Sayle <roger@eyesopen.com>
8745 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8747 2006-02-07 Ben Elliston <bje@au.ibm.com>
8749 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8750 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8751 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8752 (ix86_return_in_memory): Handle TDmode.
8753 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8754 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8756 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8758 * reorg.c (dbr_schedule): Use dump_file instead of file.
8760 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8763 * config/ia64/predicates.md (extr_len_operand): New predicate.
8764 * config/ia64/ia64.md (extv): Tighten constraints.
8766 (*tbit_and_2): Ditto.
8767 (*tbit_and_3): Ditto.
8768 (*tbit_or_2): Ditto.
8769 (*tbit_or_3): Ditto.
8773 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8776 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8778 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8780 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8781 loop_optimizer_init and loop_optimizer_finalize
8782 * tree-ssa-sink.c (execute_sink_code): Ditto.
8783 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8784 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8785 tree_ssa_loop_done): Ditto.
8786 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8787 * sched-ebb.c: Include output.h.
8788 (schedule_ebbs): Do not use dump argument.
8789 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8790 * loop.c (loop_dump_stream): Removed.
8791 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8793 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8794 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8795 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8796 loop_iterations, strength_reduce, record_biv, record_giv,
8797 final_giv_value, check_final_value, check_ext_dependent_givs,
8798 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8799 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8800 dump_file instead of loop_dump_stream.
8801 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8803 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8805 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8806 * haifa-sched.c: Include output.h
8807 (schedule_insns, sched_init): Do not use dump argument.
8808 * mode-switching.c (optimize_mode_switching): Ditto.
8809 * modulo-sched.c (stats_file): Removed.
8810 (print_node_sched_params): Do not call argument dump_file.
8811 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8812 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8814 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8816 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8817 rtl_loop_init, rtl_loop_done): Ditto.
8818 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8819 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8821 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8822 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8823 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8824 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8825 * emit-rtl.c (renumber_insns): Ditto.
8826 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8827 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8828 * regclass.c (regclass): Ditto.
8829 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8830 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8831 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8832 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8834 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8835 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8837 * gcse.c (gcse_file, debug_stderr): Removed.
8838 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8839 rest_of_handle_gcse): Do not use dump argument.
8840 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8841 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8842 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8843 compute_code_hoist_vbeinout, compute_code_hoist_data,
8844 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8845 compute_store_table, build_store_vectors, insert_insn_start_bb,
8846 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8847 store_motion): Use dump_file instead of gcse_file.
8848 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8849 * profile.c (profile_dump_file): Removed.
8850 (branch_prob): Use dump_file instead of profile_dump_file.
8851 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8853 * tree-ssa-copy.c (dump_copy_of): Ditto.
8854 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8855 dump file to life_analysis.
8856 * bt-load.c (branch_target_load_optimize): Ditto.
8857 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8859 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8860 regclass, dbr_schedule): Declaration changed.
8861 * sched-int.h (sched_init): Declaration changed.
8862 * tree-profile.c (tree_profile_dump_file): Removed.
8863 (tree_profile_hooks): Removed profile_dump_file hook.
8864 * rtl-profile (rtl_profile_dump_file): Removed.
8865 (rtl_profile_hooks): emoved profile_dump_file hook.
8866 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8868 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8869 * tree-cfg.c (build_tree_cfg): Ditto.
8870 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8871 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8872 Declaration changed.
8873 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8874 life_analysis and schedule_insns.
8875 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8877 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8879 * config/mips/mips.c (mips_reorg): Ditto.
8880 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8883 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8885 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8886 (s390_mangle_fundamental_type): New.
8887 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8890 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8891 (alpha_mangle_fundamental_type): New.
8892 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8895 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8897 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8899 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8900 (sparc_mangle_fundamental_type): New.
8902 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8904 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8905 (s390x-*-linux*): Likewise.
8906 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8907 * config/s390/t-linux: New file.
8909 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8911 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8912 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8914 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8916 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8917 (ANTIC_SAFE_LOADS): New macro.
8918 (find_or_generate_expression): Add prototype.
8919 (set_contains_value): Allow null set for sake of not always having
8920 to allocate ANTIC_SAFE_LOADS.
8921 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8922 Allow COMPONENT_REF too.
8923 (valid_in_set): Allow COMPONENT_REF.
8924 Check ANTIC_SAFE_LOADS too.
8925 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8926 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8928 (can_PRE_operation): Add COMPONENT_REF.
8929 (create_component_ref_by_pieces): New function.
8930 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8931 (insert_aux): Move AGGREGATE_TYPE_P check here.
8932 (compute_avail): Set bb local stmt uids.
8933 (pass_pre): Use TODO_update_ssa_only_virtuals.
8935 2006-02-06 Ben Elliston <bje@au.ibm.com>
8937 * configure.ac: Unconditionally disable decimal float by default.
8938 * configure: Regenerate.
8940 2006-02-06 Ben Elliston <bje@au.ibm.com>
8942 * read-rtl.c (read_name): Terminate reading on EOF.
8944 2006-02-06 Ben Elliston <bje@au.ibm.com>
8946 * dfp.c (decimal_real_arithmetic): Change second argument type
8947 from int to enum tree_code. Do not always return true, but now
8948 return result of any call to decimal_do helper functions.
8949 * dfp.h (decimal_real_arithmetic): Update prototype.
8951 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8953 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8955 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8958 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8961 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8963 * tree-vrp.c (cfg_loops): Removed.
8964 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8965 Use current_loops instead of cfg_loops. Pass flags to
8966 loop_optimizer_init.
8967 * cfgloopmanip.c (fix_loop_structure): Update only available
8969 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8970 loop_optimizer_init.
8971 * modulo-sched.c (build_loops_structure): Removed.
8972 (sms_schedule): Use loop_optimizer_init.
8973 * loop-init.c (loop_optimizer_init): Use flags to determine
8974 which properties of loops to prepare.
8975 (rtl_loop_init): Pass flags to loop_optimizer_init.
8976 * tree-ssa-sink.c (execute_sink_code): Ditto.
8977 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8978 * tree-ssa-pre.c (init_pre): Ditto.
8979 * cfgloop.h (LOOPS_NORMAL): New.
8980 (loop_optimizer_init): Declaration changed.
8982 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8984 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8985 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8987 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8989 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8991 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8992 * pa/t-pa64: Delete quadlib.c rule.
8993 * pa/x-ada: Revert last change.
8994 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8996 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8998 PR rtl-optimization/26087
8999 * rtlanal.c (canonicalize_condition): Do not cross basic block
9002 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9005 * config/ia64/ia64.c: Include debug.h.
9006 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9007 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9008 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9009 (process_epilogue, process_set, process_for_unwind_directive):
9010 Output unwind info only if requested. Add CFA info if requested.
9011 Add new arguments as needed. Adjust callers.
9012 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9014 (DWARF2_FRAME_INFO): Define to zero.
9015 * config/ia64/unwind-ia64.c: Remove code that compensated for
9016 the CFA offset error fixed above.
9017 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9018 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9019 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9020 -funwind-tables and -fexceptions to enable frame info.
9021 (dwarf2out_frame_init): Define initial CFA even if
9022 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9023 DWARF2_UNWIND_INFO is nonzero, not just defined.
9024 (dwarf2out_frame_finish): Output non-EH call frame info only
9025 if DWARF2_FRAME_INFO is nonzero.
9026 (convert_cfa_to_loc_list,
9027 compute_frame_pointer_to_cfa_displacement): Define even if
9028 unwind info is not supported.
9029 (gen_subprogram_die): Use the above unconditionally. Remove
9030 legacy alternate code.
9031 * toplev.c (compile_file): Compile in call to
9032 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9033 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9035 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9036 Jakub Jelinek <jakub@redhat.com>
9038 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9039 IBM extended float format long double as "g" on powerpc*-linux.
9041 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9044 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9045 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9047 2006-02-03 Jason Merrill <jason@redhat.com>
9050 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9053 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9054 on the return slot if it's an NRV.
9056 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9058 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9059 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9060 rewrite_use): Do not handle USE_OUTER.
9061 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9062 add_iv_outer_candidates, may_replace_final_value,
9063 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9064 (find_interesting_uses_op): Functionality of
9065 find_interesting_uses_outer_or_nonlin moved here.
9066 (find_interesting_uses_outside): Use find_interesting_uses_op.
9068 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9071 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9073 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9074 Ulrich Weigand <uweigand@de.ibm.com>
9077 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9078 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9079 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9080 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9082 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9083 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9084 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9085 Define secondary reloads for TFmode moves.
9086 (constant_modes): Add TFmode.
9087 (NR_C_MODES): Set to 8.
9088 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9090 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9091 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9092 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9093 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9094 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9095 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9096 (FPR mode macro): Add TFmode.
9097 (DSF mode macro): New.
9098 (<de>, <dee> mode attributes): Removed.
9099 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9100 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9101 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9102 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9103 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9104 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9105 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9106 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9107 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9108 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9109 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9110 "*negabs<mode>2", "sqrt<mode>2"):
9111 Changed <de> to <xde>. R constraint replaced by <Rf>.
9112 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9114 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9115 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9116 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9118 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9119 "extenddftf2", "extendsftf2"): New expanders.
9120 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9121 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9122 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9123 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9125 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9126 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9127 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9128 __floatditf): Add a GCC_4.1.0 symbol version tag.
9129 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9132 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9135 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9136 Use targetm.binds_local_p instead of TREE_PUBLIC.
9138 2006-02-02 Roger Sayle <roger@eyesopen.com>
9140 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9141 on INTEGER_TYPEs to indicate that it denotes a character type.
9142 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9143 signed_char_type_node, unsigned_char_type_node and char_type_node.
9144 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9145 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9146 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9148 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9149 Daniel Berlin <dberlin@dberlin.org>
9151 * tree-tailcall.c (arg_needs_copy_p): New function.
9152 (eliminate_tail_call): Use arg_needs_copy_p.
9153 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9154 (add_virtual_phis): New function.
9156 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9158 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9159 #ignore instead of #scratch for %g7 .register directive.
9161 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9163 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9166 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9168 * flow.c (calculate_global_regs_live): Assert that there aren't any
9171 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9173 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9175 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9176 bsi_after_labels iterator.
9177 * tree-if-conv.c (find_phi_replacement_condition,
9178 replace_phi_with_cond_modify_expr): Likewise.
9179 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9180 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9182 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9184 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9186 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9189 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9190 array after growing it.
9192 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9195 * fold-const.c (fold_checksum_tree): Change type of buf.
9197 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9199 * reload.c (push_secondary_reload): Initialize t_icode.
9201 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9203 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9204 -msoft-float -mlong-double-128 only issue a warning, but don't
9205 swich to DFmode long double.
9207 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9209 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9210 has a constant equivalent, iterate over equivalents for arg0,
9211 calling simplify_relational_operation and if there's a result
9212 cheaper than X, apply fold_rtx and return the result.
9214 2006-02-01 Jan Hubicka <jh@suse.cz>
9216 * opts.c (no_unit_at_a_time_default): New global variable.
9217 (decode_options): Use it.
9218 * opts.h (no_unit_at_a_time_default): Declare.
9220 2006-02-01 Paul Brook <paul@codesourcery.com>
9222 * function.c (assign_parm_setup_reg): Use function argument promotion
9224 * expr.c (expand_expr_real_1): Use function argument promotion rules
9227 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9229 * gcc.c (process_command): Change j to 'unsigned int'.
9231 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9234 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9235 Use the corrected index for the character
9236 out of the string constant.
9238 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9240 * mode-switching.c (optimize_mode_switching): Fix size
9241 allocated for bb_info[n_entities].
9243 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9245 * gcc.c (main): Correct type that is allocated for
9246 explicit_link_files.
9248 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9250 * config/s390/s390.c (init_alignment_context): Set
9251 ALIAS_SET_MEMORY_BARRIER on the MEM.
9252 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9254 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9257 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9259 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9262 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9264 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9265 * regrename.c: Ditto.
9266 * tree-ssa-loop-im.c: Ditto.
9267 * tree-dump.c: Ditto.
9268 * tree-complex.c: Ditto.
9269 * genrecog.c: Ditto.
9270 * tree-ssa-threadupdate.c: Ditto.
9272 * java/class.c: Ditto.
9273 * java/jcf-parse.c: Ditto.
9274 * java/resource.c: Ditto.
9275 * java/except.c: Ditto.
9276 * java/jvspec.c: Ditto.
9277 * java/jcf-write.c: Ditto.
9278 * java/jcf-path.c: Ditto.
9279 * java/gjavah.c: Ditto.
9280 * java/zextract.c: Ditto.
9281 * java/jcf-io.c: Ditto.
9282 * java/jcf.h: Ditto.
9283 * java/buffer.c: Ditto.
9284 * java/lang.c: Ditto.
9285 * java/parse-scan.y: Ditto.
9286 * java/lex.c: Ditto.
9287 * java/lex.h: Ditto.
9288 * cfgloopmanip.c: Ditto.
9289 * postreload-gcse.c: Ditto.
9290 * tree-ssa-loop-manip.c: Ditto.
9291 * postreload.c: Ditto.
9292 * tree-ssa-loop-ch.c: Ditto.
9296 * diagnostic.c: Ditto.
9298 * genoutput.c: Ditto.
9300 * cfghooks.c: Ditto.
9301 * cfgloopanal.c: Ditto.
9302 * objc/objc-act.c: Ditto.
9304 * genextract.c: Ditto.
9305 * genautomata.c: Ditto.
9306 * pretty-print.c: Ditto.
9308 * cgraphunit.c: Ditto.
9311 * haifa-sched.c: Ditto.
9312 * dominance.c: Ditto.
9314 * tree-ssa-loop-ivopts.c: Ditto.
9316 * mode-switching.c: Ditto.
9317 * modulo-sched.c: Ditto.
9319 * ipa-pure-const.c: Ditto.
9321 * fix-header.c: Ditto.
9323 * tree-stdarg.c: Ditto.
9324 * ipa-utils.c: Ditto.
9325 * loop-init.c: Ditto.
9326 * ipa-inline.c: Ditto.
9329 * alloc-pool.c: Ditto.
9330 * dwarf2out.c: Ditto.
9332 * genattrtab.c: Ditto.
9333 * tree-ssa-loop-ivcanon.c: Ditto.
9337 * fortran/gfortranspec.c: Ditto.
9339 * local-alloc.c: Ditto.
9340 * langhooks.c: Ditto.
9341 * function.c: Ditto.
9342 * tree-vectorizer.c: Ditto.
9344 * ipa-type-escape.c: Ditto.
9346 * tree-if-conv.c: Ditto.
9349 * tree-data-ref.c: Ditto.
9350 * loop-unroll.c: Ditto.
9351 * treelang/treetree.c: Ditto.
9354 * ggc-common.c: Ditto.
9356 * coverage.c: Ditto.
9358 * tree-cfgcleanup.c: Ditto.
9359 * tree-ssa-pre.c: Ditto.
9360 * cfgcleanup.c: Ditto.
9361 * loop-invariant.c: Ditto.
9363 * ipa-prop.c: Ditto.
9364 * print-tree.c: Ditto.
9365 * conflict.c: Ditto.
9366 * ggc-page.c: Ditto.
9367 * sched-deps.c: Ditto.
9368 * regclass.c: Ditto.
9369 * tree-object-size.c: Ditto.
9371 * bb-reorder.c: Ditto.
9372 * resource.c: Ditto.
9373 * var-tracking.c: Ditto.
9375 * df-problems.c: Ditto.
9376 * reg-stack.c: Ditto.
9379 * sched-rgn.c: Ditto.
9380 * tree-ssa-structalias.c: Ditto.
9381 * tree-ssa-reassoc.c: Ditto.
9382 * config/darwin-c.c: Ditto.
9383 * config/darwin.c: Ditto.
9384 * config/arm/arm.c: Ditto.
9386 * collect2.c: Ditto.
9389 2006-01-31 Nicolas Pitre <nico@cam.org>
9391 * arm.md (smaxsi3): Make aware of smax_m1.
9394 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9396 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9398 2006-01-31 Richard Guenther <rguenther@suse.de>
9400 * doc/invoke.texi (-msselibm): Document.
9401 * target.h (expand_library_builtin): New target hook.
9402 * builtins.c (expand_builtin): Use expand_library_builtin.
9403 (default_expand_library_builtin): New function.
9404 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9405 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9406 (link_gcc_math_spec): Declare.
9407 (static_specs): Add link_gcc_math_spec.
9408 * expr.h (default_expand_library_builtin): Declare.
9409 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9410 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9411 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9412 * config/i386/i386.opt (msselibm): New target option.
9413 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9414 (ix86_init_sse_abi_builtins): New function.
9415 (ix86_expand_library_builtin): Likewise.
9416 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9417 (override_options): Handle error conditions wrt -msselibm.
9418 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9419 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9420 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9423 2006-01-31 Richard Guenther <rguenther@suse.de>
9424 Paolo Bonzini <bonzini@gnu.org>
9426 * doc/install.texi (--disable-libgcc-math): Document.
9428 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9430 * expr.h (expand_normal): new inline function.
9431 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9433 * dwarf2out.c: use it.
9438 * config/sparc/sparc.c: use it.
9439 * config/i386/i386.c: use it.
9440 * config/rs6000/rs6000.c: use it.
9441 * config/arm/arm.c: use it.
9442 * config/mips/mips.c: use it.
9443 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9445 2006-01-30 Roger Sayle <roger@eyesopen.com>
9447 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9448 argv to the appropriate type.
9450 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9452 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9455 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9458 * config/s390/s390.c (struct machine_function): New flag
9459 decomposed_literal_pool_addresses_ok_p.
9460 (s390_reorg): Set it before final stage of literal pool transforms.
9461 (s390_decompose_address): Only accept displacements of the form
9462 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9464 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9466 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9467 the comparison routine return.
9469 2006-01-30 Michael Matz <matz@suse.de>
9471 * global.c (find_reg): Only evict for global regs.
9472 Take n_refs into account and dump more info.
9474 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9477 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9478 (pragma_trap, pragma_nosave_low_regs): Likewise.
9479 (current_function_anonymous_args): Likewise.
9480 (sh_deferred_function_attributes): New variable.
9481 (sh_deferred_function_attributes_tail): Likewise.
9482 (print_operand): For '@', look up trap_exit attribute.
9483 (calc_live_regs): Look up trapa_handler attribute. For trapa
9484 handlers, save/restore fpscr, but don't do any other
9485 interrupt-specific saves.
9486 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9487 Fix check for partially saved registers to check for SHmedia.
9488 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9489 (sh_output_function_epilogue): Don't clear any of the removed
9491 (sh_insert_attributes): Don't check pragma_interrupt.
9492 Insert deferred attributes. Check that interrupt attribute is
9493 present for other attributes that require its presence.
9494 (sh_attribute_table): Add new attributes trapa_handler and
9496 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9497 Don't check for pragma_interrupt. Don't store argument.
9498 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9499 (sh_deferred_function_attributes): Declare.
9500 (sh_deferred_function_attributes_tail): Likewise.
9501 * sh.md (sp_switch_1): Add operand. Change generator caller.
9502 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9503 (*return_i): Don't use when trap_exit attribute is in effect.
9504 (*return_trapa): New insn pattern.
9506 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9507 setting c_target_objs and cxx_target_objs.
9508 * t-sh: Add rule for sh-c.o.
9510 2006-01-30 Richard Guenther <rguenther@suse.de>
9513 * gimplify.c (gimplify_target_expr): Handle easy cases
9514 without creating a temporary.
9516 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9518 * vec.h (safe_grow): Remove duplicated line.
9520 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9523 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9524 (expand_omp): ... here.
9525 (expand_omp_parallel): Only remove barriers for combined
9526 parallel+workshare constructs.
9528 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9532 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9533 * tree.c (build_qualified_type): Chain the new type to the original
9534 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9535 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9536 (build_pointer_type_for_mode): Only return unqualified types.
9537 (build_reference_type_for_mode): Likewise.
9539 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9541 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9542 * Makefile.in (CXX_COMPAT_WARN): Define.
9543 * configure: Regenerate.
9545 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9548 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9551 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9553 * toplev.c: Fix thinko.
9555 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9556 Marcin Dalecki <martin@dalecki.de>
9558 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9559 (push_srcloc): Use XNEW.
9560 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9562 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9564 * df-core.c (df_set_blocks): Deleted all variable.
9566 2006-01-28 Ian Lance Taylor <ian@airs.com>
9568 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9569 cgraph_output_pending_asms.
9571 2006-01-28 Zack Weinberg <zackw@panix.com>
9573 * c.opt: Add -W(no-)overlength-strings.
9574 * doc/invoke.texi: Document it.
9575 * c-opts.c (c_common_handle_option): -pedantic implies
9576 -Woverlength-strings, if not explicitly disabled already.
9577 (c_common_post_options): -Woverlength-strings defaults to off, and
9578 is always off for C++.
9579 * c-common.c (fix_string_type): Issue warning about strings longer
9580 than is portable only if warn_overlength_strings. Rearrange code
9581 a little for clarity.
9582 * configure.in: Check for -Wno-overlength-strings as well before
9583 enabling -pedantic in stage 1.
9584 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9585 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9587 * genconditions.c (write_header, write_one_condition)
9588 (write_conditions, write_writer): Consolidate very long strings
9589 that were broken up to fit in C89 portable limit. Don't use
9590 printf when fputs will do.
9592 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9594 * combine.c (simplify_comparison <AND>): Check
9595 TRULY_NOOP_TRUNCATION before start using a subreg.
9597 * config/mips/mips.md (*branch_zero<mode>,
9598 *branch_zero<mode>_inverted, *branch_equality<mode>,
9599 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9600 Remove mode check from comparisons.
9602 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9604 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9606 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9608 * expmed.c (const_mult_add_overflow_p): Remove.
9609 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9611 * recog.c (validate_replace_rtx_subexp): Remove.
9612 * recog.h: Remove the prototype for
9613 validate_replace_rtx_subexp.
9615 * integrate.h: Remove the prototype for
9616 copy_decl_for_inlining.
9617 * rtl.h: Remove the prototype for mark_constant_function.
9618 * tree-vectorizer.h: Remove the prototype for
9619 vect_strip_conversion.
9621 * modulo-sched.c (create_partial_schedule,
9622 free_partial_schedule, reset_partial_schedule): Make them
9625 * hooks.c (hook_bool_rtx_int_false): Remove.
9626 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9628 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9630 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9631 and -mlong-double-128 are incompatible.
9632 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9633 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9634 (TARGET_LIBGCC2_CFLAGS): Define.
9635 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9636 (TARGET_LIBGCC2_CFLAGS): Same.
9637 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9639 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9642 * c-typeck.c (build_binary_op): Perform implicit casts of
9643 operands before shortening them.
9645 * cfgloopmanip.c (split_loop_bb): Remove.
9646 * cfgloop.h: Remove the prototype for split_loop_bb.
9648 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9649 * cfgloop.h: Remove the prototype for
9650 flow_loop_outside_edge_p.
9652 * emit-rtl.c (init_virtual_regs): Make it static.
9653 * function.h: Remove the prototype for init_virtual_regs.
9655 * recog.c (peephole2_optimize): Make it static.
9656 * recog.h: Remove the prototype for peephole2_optimize.
9658 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9660 * df-scan.c (df_record_entry_block_defs): Check if
9661 INCOMING_RETURN_ADDR_RTX is defined.
9663 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9664 Kenneth Zadeck <zadeck@naturalbridge.com>
9666 PR rtl-optimization/24762
9667 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9668 * targhooks.c (hook_void_bitmap): New hook prototype.
9669 * targhoohs.h (hook_void_bitmap): Ditto.
9670 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9671 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9672 * target.h (live_on_entry): New function pointer.
9673 * df-scan.c (df_all_hard_regs): Removed.
9674 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9675 (df_scan_free_internal): Added df->entry_block_defs.
9676 (df_scan_alloc): Ditto.
9677 (df_scan_dump): Ditto.
9678 (df_uses_record): Plumbed flag field properly thru calls.
9679 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9680 This part fixes PR24762.
9681 (df_bb_refs_record): Added code to make the frame and arg
9682 pointers live in EH blocks.
9683 (df_refs_record): Added call to df_record_entry_block_defs.
9684 (df_record_entry_block_defs): New function.
9685 * df-core.c: Added comments to describe new artifical defs.
9686 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9687 (entry_block_defs): New field in struct df.
9688 (df_all_hard_regs): Deleted.
9689 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9690 * df-problems.c (df_ru_bb_local_compute_process_def):
9691 Added code to handle artifical defs in the entry to a function.
9692 (df_ru_bb_local_compute): Ditto.
9693 (df_rd_bb_local_compute_process_def): Ditto.
9694 (df_rd_bb_local_compute): Ditto.
9695 (df_lr_bb_local_compute): Ditto.
9696 (df_ur_bb_local_compute): Ditto.
9697 (df_urec_bb_local_compute): Ditto.
9698 (df_chain_create_bb): Ditto.
9699 (df_ur_local_finalize): Removed entry.
9700 (df_urec_init): Ditto.
9701 (df_urec_local_finalize): Ditto.
9702 (df_ri_bb_compute): Added detection of last use of pseudos.
9703 * Makefile.in (df-scan.o): Updated dependencies.
9704 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9705 * config/mips/mips.c (mips_set_live_on_entry): Added.
9706 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9708 * dce.c (marked_insn_p): Added code to handle artifical defs.
9710 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9712 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9714 (_mm_cvtsi128_si64): Likewise.
9715 (_mm_cvtsd_si64): Likewise.
9716 (_mm_cvttsd_si64): Likewise.
9717 (_mm_cvtsi64_sd): Likewise.
9718 (_mm_cvtsi64_si128): Likewise.
9719 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9720 (_mm_cvtsi64_m64): Likewise.
9721 (_m_to_int64): Likewise.
9722 (_mm_cvtm64_si64): Likewise.
9723 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9724 (_mm_cvttss_si64): Likewise.
9725 (_mm_cvtsi64_ss): Likewise.
9726 (_mm_cvtss_f32): Likewise.
9728 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9730 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9731 for pragma redefine_extname.
9733 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9736 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9737 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9738 -mno-minimal-toc to previous content.
9739 (bispecs): Remove goal.
9740 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9741 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9742 compatibility aliases on powerpc-*-*gnu*.
9743 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9744 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9745 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9746 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9747 (ldblspecs): New goal.
9748 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9749 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9751 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9752 L_sf_to_tf or L_df_to_tf is defined.
9754 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9755 Alan Modra <amodra@bigpond.net.au>
9758 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9759 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9760 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9761 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9762 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9763 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9764 (rs6000_override_options): Initialize rs6000_ieeequad.
9765 Initialize TFmode format to ibm_extended_format if not
9767 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9769 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9770 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9771 (function_arg_advance): IBM long double passed in two FPRs, not
9773 (function_arg): IBM long double passed in FPRs.
9774 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9775 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9776 Only multireg GPR aligned.
9777 (rs6000_init_libfuncs): Enable IBM long double functions if not
9779 (rs6000_generate_compare): Use IBM long double compare if not
9781 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9782 (TARGET_IEEEQUAD): Define.
9783 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9784 not TARGET_IEEEQUAD.
9785 * config/rs6000/rs6000.md: Enable TFmode patterns if
9787 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9788 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9789 and -mlong-double-128 are incompatible.
9790 * doc/invoke.texi (-mabi): Collect options together. Add
9791 ibmlongdouble and ieeelongdouble.
9793 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9795 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9797 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9798 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9799 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9800 * rtl.h (rtunion_def): Remove rt_ptr.
9802 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9803 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9804 * config/i386/winnt.c (i386_pe_mark_dllexport)
9805 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9807 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9809 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9811 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9815 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9816 pthread_key_delete. From John David Anglin. gthrw-ify
9817 pthread_getunique_np only if it it's not a macro. Delete
9819 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9820 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9821 __gthread_objc_condition_signal, __gthread_key_delete): Add
9822 "__attribute__ ((__unused__))" to unused arguments.
9823 (__gthread_recursive_mutex_init_function): Add missing return.
9824 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9825 gthr-posix95.h: Use macro-based approach for name redirection
9826 on targets missing weakref.
9828 2006-01-26 Zack Weinberg <zackw@panix.com>
9830 * genconditions.c (write_header): In generated code, #ifdef out
9831 all includes and fake declarations, except includes of bconfig.h
9832 and system.h, unless GCC_VERSION >= 3001. Do not include
9833 gensupport.h in any case.
9834 (write_conditions): Generate a definition of struct c_test. Add
9835 a comment to the generated #endif.
9836 (write_one_condition): Escape backslashes in string too.
9837 (write_writer): Generated code must escape backslashes and quote
9838 marks (but not newlines) in the strings it writes.
9839 * Makefile.in (build/gencondmd.o): Update dependencies.
9841 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9844 * Makefile.in (insn-automata.o): Add header file dependencies.
9845 * genautomata.c: Add includes.
9847 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9850 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9852 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9854 * configure.ac: Expect target tools paths to be passed from the toplevel
9855 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9857 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9859 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9862 * c.opt (Wpointer-sign): Init to -1.
9863 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9864 OPT_pedantic, to 0 otherwise.
9865 * doc/invoke.texi: Update.
9867 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9869 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9870 constants provided by 80387 instructions in the destination mode.
9872 2006-01-26 Richard Guenther <rguenther@suse.de>
9873 Andrew Pinski <pinskia@physics.uc.edu>
9876 partial PR tree-opt/17064
9877 * tree-ssa-structalias.c (intra_create_variable_infos):
9878 Create heap variables for incoming parameters if
9879 flag_argument_noalias > 1.
9880 (find_what_p_points_to): Look through default defs of
9883 2006-01-26 Jeff Law <law@redhat.com>
9886 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9887 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9888 within the VR_RANGE, use the VR_RANGE as the result, not the
9890 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9891 bounds for the type.
9893 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9895 * tree-ssa-alias.c (maybe_create_global_var): Change
9896 subvar walking to an assertion that we don't have subvar'd variables.
9898 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9901 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9902 Use a new variable, inner. PARM_DECLs are always non-weak.
9904 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9906 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9909 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9911 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9913 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9915 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9916 (smax_insn, smin_insn, smax_0, smin_0): New.
9918 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9921 * config/cris/cris.c (cris_order_for_addsi3): New function.
9922 * config/cris/cris-protos.h: Prototype it.
9923 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9924 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9925 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9926 (split for "op.S1 [rx=rx+i],ry (swapped)")
9927 (split for "op(s|u).S1 [rx=rx+i],ry")
9928 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9929 Apply cris_order_for_addsi3 when generating addsi3 insns.
9931 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9933 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9934 (TREE_BLOCK): Add call to EXPR_CHECK.
9936 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9939 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9940 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9941 (dump_omp_clauses): ... here.
9942 (dump_generic_node): Handle OMP_CLAUSE.
9943 * tree.c (omp_clause_num_ops): New.
9944 (omp_clause_code_name): New.
9945 (tree_code_size): Handle OMP_CLAUSE.
9946 (tree_size): Likewise.
9947 (make_node): Document handling of OMP_CLAUSE.
9948 (tree_node_structure): Handle OMP_CLAUSE.
9949 (omp_clause_check_failed): New.
9950 (omp_clause_range_check_failed): New.
9951 (omp_clause_operand_check_failed): New.
9952 (build_omp_clause): New.
9953 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9954 * tree.h (enum omp_clause_code): Declare.
9955 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9956 (OMP_CLAUSE_RANGE_CHECK): Define.
9957 (OMP_CLAUSE_ELT_CHECK): Define.
9958 (omp_clause_check_failed): Declare.
9959 (omp_clause_operand_check_failed): Declare.
9960 (omp_clause_range_check_failed): Declare.
9961 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9962 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9963 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9964 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9965 (OMP_CLAUSE_IF_EXPR): Likewise.
9966 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9967 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9968 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9969 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9970 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9971 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9972 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9973 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9974 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9975 (OMP_CLAUSE_CODE): Define.
9976 (OMP_CLAUSE_SET_CODE): Define.
9977 (OMP_CLAUSE_CODE): Define.
9978 (OMP_CLAUSE_OPERAND): Define.
9979 (struct tree_omp_clause): Declare.
9980 (union tree_node): Add field 'omp_clause'.
9981 * treestruct.def (TS_OMP_CLAUSE): Define.
9982 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9983 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9984 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9985 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9986 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9987 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9988 (OMP_CLAUSE): Define.
9989 * print-tree.c (print_node): Handle OMP_CLAUSE.
9990 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9991 * c-typeck.c: Likewise.
9992 * gimplify.c: Likewise.
9993 * c-omp.c: Likewise.
9994 * tree-nested.c: Likewise.
9995 * tree-inline.c: Likewise.
9996 * c-parser.c: Likewise.
9997 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10000 2006-01-25 Roger Sayle <roger@eyesopen.com>
10002 PR rtl-optimization/25703
10003 * combine.c (try_combine): Handle zero_extract and strict_low_part
10004 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10006 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10008 * global.c: Fix comment typos.
10010 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10013 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10014 Use output_addr_const instead of assemble_name.
10016 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10018 * Makefile.in (sched-vis.o): Update dependencies.
10019 * haifa-sched.c (sched_finish): Clear current_sched_info.
10020 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10021 (dump_flow_info): Call it.
10022 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10024 * basic-block.h (dump_bb_info): Declare.
10025 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10026 option, and apply options only for dump files whose TDF_RTL,
10027 TDF_TREE, or TDF_IPA bits match.
10028 * rtl.h: Declare new functions exported from sched-vis.c.
10029 * sched-vis.c: Enable also if scheduling is not used.
10030 (print_value): Print the mode of registers if not inside scheduling.
10031 (print_insn): Make it work outside the scheduler. Beautify the output
10033 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10035 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10037 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10038 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10039 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10040 depending on the value of CONSTANT_POOL_ADDRESS_P.
10041 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10043 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10044 rather than SYMBOL_REF_DECL.
10045 (rtx_constant_pool): Remove const_rtx_sym_htab.
10046 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10047 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10048 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10049 Remove handling of const_rtx_sym_htab.
10050 (find_pool_constant): Delete.
10051 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10052 rather than find_pool_constant.
10053 (get_pool_constant_for_function): Delete.
10054 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10055 find_pool_constant.
10056 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10057 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10058 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10059 (SYMBOL_REF_CONSTANT): New macro.
10060 (get_pool_constant_for_function): Delete.
10061 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10062 rather than SYMBOL_REF_DECL.
10063 (i386_pe_mark_dllimport): Likewise.
10064 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10065 rather than SYMBOL_REF_DECL.
10066 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10067 (machopic_indirect_call_target): Likewise.
10069 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10071 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10073 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10075 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10077 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10079 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10081 2006-01-24 David Daney <ddaney@avtrex.com>
10084 * configure.ac (enable_tls): New enable option.
10085 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10086 * configure: Regenerate.
10087 * doc/install.texi (--enable-tls): Document new option.
10088 (--disable-tls): Ditto.
10090 2006-01-24 Richard Henderson <rth@redehat.com>
10092 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10093 * alias.c (true_dependence): Respect it.
10094 (canon_true_dependence, write_dependence_p): Likewise.
10095 * builtins.c (get_builtin_sync_mem): Set it.
10097 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10099 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10102 2006-01-24 DJ Delorie <dj@redhat.com>
10104 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10105 for storing constants in single-bit bitfields.
10107 2006-01-25 Ben Elliston <bje@au.ibm.com>
10109 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10111 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10114 * tree-ssa-pre.c (phi_translate): Return NULL
10115 for AGGREGATE_TYPE's.
10117 2006-01-24 Zack Weinberg <zackw@panix.com>
10119 * genautomata.c (process_state_for_insn_equiv_partition):
10120 Use xcalloc for insn_arcs_array.
10121 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10122 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10124 2006-01-24 Richard Henderson <rth@redhat.com>
10126 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10127 update all callers.
10129 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10131 PR rtl-optimization/25890
10132 PR rtl-optimization/25905
10133 * combine.c (expand_compound_operation, expand_field_assignment):
10134 Fail if the bitfield's final position is out of bounds.
10136 2006-01-24 Ian Lance Taylor <ian@airs.com>
10138 PR middle-end/25930
10139 * cgraphunit.c (cgraph_output_in_order): Don't clear
10140 cgraph_asm_nodes until after asm strings have been output.
10142 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10144 * fix-header.c (read_scan_file): Add new parameter imultilib when
10145 calling register_include_chains.
10147 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10149 * omp-low.c: Update documentation.
10151 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10152 Daniel Berlin <dberlin@dberlin.org>
10156 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10157 return from the function.
10159 2006-01-22 Zack Weinberg <zackw@panix.com>
10161 * rtl.def (match_code): Add second argument.
10162 * genpreds.c (write_extract_subexp): New function.
10163 (write_match_code): Add path argument. Use write_extract_subexp.
10164 (write_predicate_expr): Pass path to write_match_code.
10165 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10166 not perform a mode test.
10167 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10168 a subexpression does not constrain the top-level code set.
10169 * read-rtl.c (read_rtx_variadic): New function.
10170 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10171 * doc/md.texi: Document new notation.
10172 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10173 (cmpsi_operand): ... here, using new notation.
10175 2006-01-22 Zack Weinberg <zackw@panix.com>
10177 * varray.c: Remove GENERATOR_FILE #ifdefs.
10179 2006-01-22 Zack Weinberg <zackw@panix.com>
10181 * genautomata.c (output_reserved_units_table): Emit nothing if
10182 description->query_units_num is zero. Remove extra blank line.
10183 (output_cpu_unit_reservation_p): Short circuit
10184 if description->query_units_num is zero.
10186 2006-01-22 Zack Weinberg <zackw@panix.com>
10188 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10189 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10190 nor any of the random handful of variables that used to be necessary
10191 when this program was linked with rtlanal.o. Prune set of forward
10192 function declarations.
10193 (struct attr_desc): Remove static_p field.
10194 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10195 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10196 (attr_string): Do not read the character one past the length of
10198 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10199 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10200 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10201 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10202 (make_automaton_attrs): New.
10203 (main): Do not call into genautomata. Call local gen_bypass
10204 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10205 Remove special case for insn_alts.
10206 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10207 varray.h (leftover from previous change). Prune set of forward
10208 function declarations. Remove state_alts fields from all
10209 structures. Remove state_alts_table from struct automaton.
10210 Make everything except main static. Do not maintain num_dfa_decls.
10211 Do not maintain state_alts fields of various structures.
10212 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10213 (add_arc): Remove state_alts argument. All callers updated.
10214 (output_reserved_units_table): Emit #ifdef here...
10215 (output_tables): ...not here. Don't generate state_alts tables.
10216 (expand_automata): Don't generate attributes.
10217 (write_automata): Don't generate state_alts functions.
10218 (main): New function.
10219 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10220 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10221 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10222 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10223 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10224 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10225 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10226 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10228 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10229 * genattrtab.h: Delete file.
10230 * Makefile.in (OBJS-common): Add insn-automata.o.
10231 (insn-automata.o): New rule.
10232 (simple_generated_c): Add insn-automata.c.
10233 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10234 (genprogmd): Add automata.
10235 (build/genattrtab): Needs no extra objects nor libraries.
10236 (build/genautomata): Needs build/vec.o and -lm.
10238 2006-01-22 Zack Weinberg <zackw@panix.com>
10240 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10241 (output_dfa_max_issue_rate, locked_states_num): Delete.
10242 (struct automaton): Add locked_states field.
10243 (output_dead_lock_vect): Save number of locked states in
10244 automaton->locked_states. If it is zero, don't print anything.
10245 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10246 (output_internal_dead_lock_func): Only test the dead_lock_vect
10247 for automata that have locked states.
10248 (output_statistics): Always print the number of locked states for
10249 each automaton. Calculate total number of locked states here.
10250 (write_automata): Don't call output_dfa_max_issue_rate.
10251 * genattrtab.c: Define length_unit_log as a const variable.
10252 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10253 max_insn_queue_index const.
10254 * final.c (length_unit_log): Declare const.
10255 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10257 2006-01-22 Zack Weinberg <zackw@panix.com>
10259 * genautomata.c: Include vec.h, not varray.h.
10260 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10261 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10262 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10263 VEC_* macros operating on appropriately typed vectors, or to
10264 malloced arrays when the size is known in advance. Const-ify
10265 many char* variables and function arguments. No functional changes.
10266 * Makefile.in (build/varray.o): Delete rule.
10267 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10268 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10270 2006-01-22 Zack Weinberg <zackw@panix.com>
10272 * gensupport.c: Define get_insn_name and record_insn_name here.
10273 (read_md_rtx): Call record_insn_name as appropriate.
10274 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10275 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10276 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10278 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10279 (BUILD_VARRAY): Delete.
10280 (genprognormal): Rename genprogmd. Fold in all programs from
10281 genprognoprint; also attrtab.
10282 (build/genattrtab): Just mention genautomata.o and varray.o.
10283 Reorganize a bit, add comments to make the categories clearer.
10285 2006-01-22 Zack Weinberg <zackw@panix.com>
10287 * genconditions.c (condition_table, add_condition): Delete.
10288 (write_conditions): Don't emit n_insn_conditions nor
10289 insn_elision_unavailable. Issue the gcc version #ifdef here,
10290 inside the table, with no #else clause ...
10291 (write_header): ...not here.
10292 (write_writer): New function.
10293 (main): Don't initialize condition_table. Use add_c_test.
10295 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10296 files on the command line.
10297 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10298 Return -1 if there is no entry in the table, don't abort.
10299 (add_c_test, traverse_c_tests): New functions.
10300 * gensupport.h (insn_elision_unavailable, insn_conditions)
10301 (n_insn_conditions): Delete declarations.
10302 (add_c_test, traverse_c_tests): Declare.
10303 * read-rtl.c: Include gensupport.h.
10304 (read_conditions): New function.
10305 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10306 (read_rtx_1): If we get EOF when we were looking for an initial
10307 open paren, return 0. Call read_conditions when appropriate.
10308 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10309 dummy-conditions.o. Eliminate references to insn-conditions.o,
10310 or change them to build/gencondmd.o, as appropriate. Remove
10311 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10312 from $(simple_generated_c). For all files remaining in those
10313 two lists, add insn-conditions.md to the generator command line.
10314 Give insn-constants.h/s-constants their own rules. Add rules
10315 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10316 (build/read-rtl.o): Depend on gensupport.h.
10317 (genprognormal): Include preds.
10318 (genprogearly): Rename genprognoprint; only difference is now that
10319 they don't link with $(BUILD_PRINT).
10320 * dummy-conditions.c: Delete.
10322 2006-01-22 Zack Weinberg <zackw@panix.com>
10324 * genextract.c: Don't include insn-config.h. Do include vec.h.
10325 Declare vectors of int, char, and locstr.
10326 (locstr): New typedef.
10327 (struct extraction): Make all array fields into bare pointers.
10328 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10329 (insn_code_number): Delete.
10330 (accum_extract): New struct.
10331 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10332 (gen_insn): Take insn_code_number as an argument. Use an
10333 accum_extract structure instead of loading data directly into
10334 a struct extraction, and having to know how big it might get.
10335 (walk_rtx): Operate entirely on an accum_extract structure.
10336 (print_path): Avoid unnecessary use of printf.
10337 (print_header): New function, split out of main. Distinguish
10338 more carefully between an unrecognizable insn and an insn that
10339 has the code number of a define_expand.
10340 (main): Pass insn_code_number to gen_insn. Call print_header
10341 only after parsing. Avoid unnecessary use of printf.
10342 * Makefile.in (build/vec.o): New rule.
10343 (build/genextract): Depend on build/vec.o.
10344 (build/genextract.o): Don't depend on insn-config.h.
10346 2006-01-22 Zack Weinberg <zackw@panix.com>
10348 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10349 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10350 practical. Eliminate per-generator-program link rules.
10352 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10354 PR middle-end/24437
10355 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10356 with a call expr to ...
10357 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10359 2006-01-23 Richard Guenther <rguenther@suse.de>
10361 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10362 before make_edge with conditional EDGE_TRUE_VALUE.
10364 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10365 Jan Hubicka <jh@suse.cz>
10366 Richard Guenther <rguenther@suse.de>
10368 PR rtl-optimization/25654
10369 * cfgexpand.c (aggregate_contains_union_type): New function.
10370 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10371 for structure variables that contain a union type.
10373 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10375 * gengtype.c (new_structure): Return the structure.
10376 (create_option): Add an extra "next" argument.
10377 (create_field): New function.
10378 (adjust_field_rtx_def): Use create_option and create_field.
10379 Remove a now-unnecessary call to find_structure.
10380 (adjust_field_tree_def): Likewise.
10381 (note_yacc_type): Remove an unnecessary call to find_structure.
10382 * gengtype.h (new_structure): Return the structure.
10383 (create_option): Add an extra argument.
10384 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10385 (option): Adjust calls to create_option.
10387 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10389 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10391 2006-01-22 Paul Brook <paul@codesourcery.com>
10392 Peter Barada <peter@the-baradas.com>
10394 * config/m68k/m68k.md: Add Coldfire FPU support.
10395 Define FP mode macro and associated attributes.
10396 Use it for float mode patterns.
10397 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10398 (LIBCALL_VALUE): Use m68k_libcall_value.
10399 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10400 (m68k_function_value): Ditto.
10401 (emit_move_sequence): Ditto.
10402 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10403 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10404 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10405 (MULTILIB_EXCEPTIONS): Ditto.
10406 * config/m68k/m68k.opt: Add mcfv4e.
10407 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10408 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10409 (m68k_output_function_prologue): Save ColdFire FPU registers.
10410 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10411 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10412 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10413 ColdFire FPU registers.
10414 (m68k_libcall_value, m68k_function_value): New functions.
10415 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10416 (LIBCALL_VALUE): Use m68k_libcall_value.
10417 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10418 (MASK_COLDFIRE): Add MASK_CFV4E.
10419 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10420 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10421 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10422 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10423 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10424 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10425 * doc/invoke.tex: Document -mcfv4e on m68k.
10427 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10429 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10432 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10435 * c-opts.c (c_common_handle_option): Don't include
10436 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10437 * doc/invoke.texi (C++ Dialect Options): Document that
10438 -Wnon-virtual-dtor is no longer included in -Wall.
10440 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10442 * gcov.c (print_version), gcov-dump.c (print_version),
10443 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10446 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10448 * df-scan.c (problem_SCAN): Added NULL reset function.
10449 (df_scan_reset_blocks): Added code to call reset block function
10450 (df_bb_refs_delete) Fixed comment.
10451 (df_insn_refs_delete): Made tolerant of deleting non existent info
10452 for dataflow problems that need to be reset.
10453 * df-core.c (df_set_blocks): Ditto.
10454 * df.h (struct df_problem): Added reset_fun.
10455 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10456 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10457 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10458 functions to clear out all references to def-use or use-def chains.
10460 2006-01-21 Ben Elliston <bje@au.ibm.com>
10462 * varasm.c (assemble_real): Initialise data array.
10464 2006-01-20 Paul Brook <paul@codesourcery.com>
10466 Merge from csl-arm-branch.
10467 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10468 * config/arm/arm.md (movdi): Force operands[1] to a register
10469 if we have a non-register source.
10470 (*arm_movdi, *movdf_soft_insn): Require that one of the
10471 operands be a register.
10472 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10473 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10475 2006-01-20 DJ Delorie <dj@redhat.com>
10477 * varasm.c (initializer_constant_valid_p): Allow pointers
10478 initialized from integer constants of lesser precision.
10479 (output_constant): Allow non-int-sized pointer modes to be
10480 initialized from integer constants.
10482 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10485 * cppdefault.h (struct default_include): Add multilib flag.
10486 * cppdefault.c (cpp_include_defaults): Set it.
10487 * c.opt (-imultilib): New option.
10488 * c-opts.c (imultilib): New.
10489 (c_common_handle_option): Handle -imultilib.
10490 (c_common_post_options): Likewise.
10491 * c-incpath.c (add_standard_paths, register_include_chains):
10493 * c-incpath.h (register_include_chains): Add extra parameter.
10494 * gcc.c (do_spec_1): Generate -imultilib option.
10495 (The Specs Language): Update %I description.
10496 (process_command): Update copyright notice.
10497 * doc/cppopts.texi (-imultilib): Document.
10498 * doc/invoke.texi (-imultilib): Include in option summary.
10499 (%I): Update specs documentation.
10501 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10503 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10505 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10507 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10510 2006-01-20 Richard Guenther <rguenther@suse.de>
10511 Steven Bosscher <stevenb.gcc@gmail.com>
10513 PR rtl-optimization/24626
10514 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10515 EDGE_TRUE_VALUE if in RTL mode.
10518 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10519 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10521 2006-01-20 Dirk Mueller <dmueller@suse.com>
10524 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10525 instead of a special NOP marker.
10526 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10527 NOP marker handling.
10528 * c-common.h (empty_body_warning): Add forward declaration.
10529 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10530 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10532 2006-01-20 Paul Brook <paul@codesourcery.com>
10534 * Makefile.in (lang_checks): Keep going if mkdir fails.
10536 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10538 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10539 be able to clean out basic block when not necessary.
10540 (df_scan_free): Fixed to properly delete information if df is
10541 unused before calling df_finish.
10542 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10543 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10545 (df_bb_refs_delete): New function.
10546 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10547 * df-core.c (df_set_blocks): Added code to properly clean out
10548 unused blocks if they are not part of the blocks to consider.
10549 Added additional null check.
10550 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10551 be able to clean out basic block when not necessary
10552 * df.h (df_free_bb_function): Ditto.
10553 (df_bb_refs_delete): New function.
10554 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10555 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10556 basic block parameter to be able to clean out basic block when not
10558 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10559 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10560 Fixed to properly delete information if df is unused before
10563 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10565 PR rtl-optimization/25799
10566 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10567 Corrected confluence operator to remove bits from op2 before oring
10568 with op1 rather than removing bits from op1.
10569 (df_ru_transfer_function): Corrected test on wrong bitmap which
10570 caused infinite loop. Both of these problems were introduced in
10571 the dataflow rewrite.
10573 2006-01-19 DJ Delorie <dj@redhat.com>
10575 * reload1.c (find_reload_regs): Note the details of reload
10576 failures in the dump file.
10577 (spill_failure): Likewise.
10579 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10581 * loop-iv.c: Include df.h and hashtab.h.
10582 (enum iv_grd_result): New enum.
10583 (DF_REF_IV, DF_REF_IV_SET): New macros.
10584 (struct biv_entry): New.
10585 (df, bivs): New global variables.
10586 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10587 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10589 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10590 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10591 analyzed_for_bivness_p, record_biv): New functions.
10592 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10593 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10594 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10596 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10598 (iv_number_of_iterations): Use new interface to iv analysis.
10599 * loop-unroll.c: Do not include varray.h.
10600 (analyze_iv_to_split_insn): Use new interface to iv
10602 * loop-unswitch.c (may_unswitch_on): Ditto.
10603 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10605 (df_bb_modify): Realloc tables to the new index.
10606 (df_find_use): New function.
10607 * df.h (df_find_use): Declare.
10608 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10610 * cfgloop.h (struct rtx_iv): Remove analysed field.
10611 (iv_get_reaching_def): Removed.
10612 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10613 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10614 (loop-iv.o): Add df.h and hashtab.h dependency.
10615 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10617 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10620 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10622 (__floatundisf, __floatundidf): Likewise.
10623 * libgcc2.h (IS_IBM_EXTENDED): Define.
10625 2006-01-19 DJ Delorie <dj@redhat.com>
10627 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10629 2006-01-19 Paul Brook <paul@codesourcery.com>
10631 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10632 as nothrow when unwinding tables are disabled.
10634 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10637 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10638 of bit-field" when in system header.
10640 2006-01-19 DJ Delorie <dj@redhat.com>
10642 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10643 the 16 bit shift limit of the m16c.
10645 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10648 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10649 * config/i386/i386.c (output_set_got): Output the label if we have one
10650 for the TARGET_DEEP_BRANCH_PREDICTION case.
10652 2006-01-19 Jan Hubicka <jh@suse.cz>
10653 H.J. Lu <hongjiu.lu@intel.com>
10654 Evandro Menezes <evandro.menezes@amd.com>
10656 * invoke.texi (generic): Document
10658 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10659 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10660 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10661 (x86_use_incdec, x86_pad_returns): New variables
10662 (TARGET_CPU_DEFAULT_generic): New constant
10663 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10664 (enum processor_type): Add generic32 and generic64.
10665 * i386.md (cpu attribute): Add generic32/generic64
10666 (movhi splitter): Behave sanely when both partial_reg_dependency and
10667 partial_reg_stall are set.
10668 (K8 splitters): Enable for generic as well.
10669 * predicates.md (incdec_operand): Use TARGET_INCDEC
10670 (aligned_operand): Avoid memory mismatch stalls.
10671 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10672 * ppro.md: Enable for generic32
10673 * i386.c (generic64_cost, generic32_cost): New.
10674 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10675 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10676 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10677 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10678 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10679 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10680 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10681 x86_accumulate_outgoing_args, x86_prologue_using_move,
10682 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10683 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10684 Enable for generic.
10685 (x86_use_incdec, x86_pad_returns): New.
10686 (override_options): Add generic32 and generic64, translate "generic"
10687 to generic32/generic64 and "i686" to "generic32", refuse
10688 "generic32"/"generic64" as arch target.
10689 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10690 (ix86_reorg): Honor PAD_RETURNS.
10692 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10694 * tree-pretty-print.c (dump_generic_node): Handle
10695 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10696 * cgraph.c (cgraph_expand_queue): Rename from
10697 cgraph_analyze_queue. Update all users.
10698 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10699 cgraph_expand_queue.
10700 (cgraph_expand_all_functions): Likewise.
10701 (cgraph_finalize_pending_functions): Remove. Update callers.
10703 * tree.h (OMP_DIRECTIVE_P): Define.
10704 (OMP_PARALLEL_FN): Define.
10705 (OMP_PARALLEL_DATA_ARG): Define.
10706 (OMP_SECTIONS_SECTIONS): Define.
10707 * tree-pass.h (pass_expand_omp): Declare.
10708 * omp-low.c (struct omp_region): Declare.
10709 (struct omp_context): Remove fields 'parallel_type',
10710 'parallel_start_ix' and 'parallel_start_additional_args'.
10712 (struct omp_for_data): Rename from struct expand_omp_for_data.
10713 (omp_regions): New static variable.
10714 (root_omp_region): New static variable.
10715 (find_omp_clause): Make static.
10716 (is_in_combined_parallel_ctx): Remove.
10717 (is_combined_parallel): New.
10718 (extract_omp_for_data): Move earlier in the file.
10719 (workshare_safe_to_combine_p): New.
10720 (get_ws_args_for): New.
10721 (determine_parallel_type): Move earlier in the file.
10722 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10724 (omp_copy_decl): Likewise.
10725 (create_omp_child_function): Likewise.
10726 (lookup_omp_region): New.
10727 (dump_omp_region): New.
10728 (debug_omp_region): New.
10729 (debug_all_omp_regions): New.
10730 (new_omp_region): New.
10731 (scan_omp_parallel): If parallel_nesting_level > 1, the
10732 directive is nested within another parallel directive.
10733 Set OMP_PARALLEL_FN.
10734 (scan_omp_for): Do not try to handle combined parallel+for
10736 Remove FIXME comment.
10737 (scan_omp_nested): Remove.
10738 (scan_omp_1): Do not call scan_omp_nested when
10739 parallel_nesting_level is > 1.
10740 Do not change the DECL_CONTEXT of local variables found.
10741 (lookup_decl_in_outer_ctx): New.
10742 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10743 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10744 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10745 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10746 If CTX is nested, lookup VAR in the outer context when
10747 building copy assignment.
10748 (lower_send_clauses): Rename from expand_send_clauses.
10749 If CTX is nested, lookup VAR in the outer context when
10750 building copy assignments.
10751 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10752 If CTX is nested, lookup VAR in the outer context when
10753 building copy assignments.
10754 (expand_parallel_call): Rename from build_parallel_call.
10755 Handle combined parallel+workshare cases.
10756 Re-implement to emit code into the CFG.
10758 (expand_omp_parallel): Re-implement to emit code into the CFG.
10759 Call move_sese_region_to_fn to outline the sub-graph
10760 containing the parallel region.
10761 (expand_omp_for_1): Remove.
10762 (expand_omp_for_generic): Re-implement to emit code into the
10764 (expand_omp_for_static_nochunk): Likewise.
10765 (expand_omp_for_static_chunk): Likewise.
10766 (expand_omp_for): Likewise.
10767 (expand_omp_sections): Likewise.
10768 (remove_exit_barriers): New.
10769 (expand_omp_synch): New.
10771 (build_omp_regions_1): New.
10772 (build_omp_regions): New.
10773 (execute_expand_omp): New.
10774 (gate_expand_omp): New.
10775 (pass_expand_omp): Define.
10776 (lower_omp_sections): Rename from expand_omp_sections.
10777 Set OMP_SECTIONS_SECTIONS.
10778 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10779 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10780 (lower_omp_single): Rename from expand_omp_simple.
10781 (lower_omp_master): Rename from expand_omp_master.
10782 (lower_omp_ordered): Rename from expand_omp_ordered.
10783 (lower_omp_critical): Rename from expand_omp_critical.
10784 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10785 (lower_omp_for): Re-implement.
10786 (lower_omp_parallel): Re-implement.
10787 (lower_regimplify): Rename from expand_regimplify.
10788 (lower_omp_1): Rename from expand_omp_1.
10789 If there are syntax errors in the program, replace every
10790 OpenMP directive with NOP.
10791 Call lower_omp_* instead of expand_omp_*.
10792 (lower_omp): Rename from expand_omp.
10794 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10795 * tree-gimple.h (enum omp_parallel_type): Remove.
10796 (gimple_boolify): Declare extern.
10797 (find_omp_clause, determine_parallel_type): Remove.
10799 * gimple-low.c (lower_omp_directive): New.
10800 (lower_stmt): Call it.
10801 (record_vars_into): Move from ...
10802 (record_vars): ... here.
10803 Call record_vars_into with current_function_decl.
10805 * gimplify.c (struct gimplify_ctx): Remove fields
10806 combined_pre_p and combined_ctxp. Update users.
10807 (get_formal_tmp_var): Add documentation.
10808 (gimple_boolify): Make extern.
10809 (gimplify_expr_in_ctx): Remove. Update callers.
10810 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10811 will always be a BIND_EXPR.
10812 (gimplify_expr): Handle OMP_RETURN_EXPR.
10813 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10814 (OMP_PARALLEL): Add 3 operands.
10815 (OMP_SECTIONS): Add 1 operand.
10816 (OMP_RETURN_EXPR): Define.
10818 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10819 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10820 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10821 creating a circular free list.
10822 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10824 * tree-flow.h (move_sese_region_to_fn): Declare.
10825 (record_vars_into): Declare.
10826 * tree-cfg.c (make_omp_sections_edges): New.
10827 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10828 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10829 OMP_SECTIONS and OMP_SECTION.
10830 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10831 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10832 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10833 (gather_blocks_in_sese_region): New.
10834 (struct move_stmt_d): Declare.
10835 (move_stmt_r): New.
10836 (move_block_to_fn): New.
10837 (move_sese_region_to_fn): New.
10839 * passes.c (init_optimization_passes): Schedule
10840 pass_expand_omp after pass_init_datastructures.
10842 * tree-ssa-operands.c (get_expr_operands): Handle
10843 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10844 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10846 2006-01-19 Jeff Law <law@redhat.com>
10848 * tree-vrp.c (extract_range_from_assert): Refine the result range
10849 if the variable referenced by the ASSERT_EXPR has a range and
10850 either the tentative result range or the previous range is a
10853 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10855 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10857 2006-01-19 Jan Hubicka <jh@suse.cz>
10859 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10861 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10863 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10864 (expand_compound_operation, expand_field_assignment): Fail if the
10865 bit lengths of an extract operation are out of range.
10866 (make_extraction): Compute wanted_inner_mode based on the position
10867 and length of the extraction. Make it extraction_mode for non-constant
10868 positions, and do not modify offset in that case. When generating a
10869 new MEM, use a mode that can hold the extraction while keeping correct
10870 alignment. Remove code that supported MEMs wrapped by USEs.
10871 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10873 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10875 * config/s390/s390.md ("Y", "y"): New mode attribute.
10876 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10877 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10878 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10879 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10880 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10881 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10882 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10883 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10884 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10885 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10886 "addsi3", "subsi3"): Insn patterns removed.
10887 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10888 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10889 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10890 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10891 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10892 "*sub<mode>3_cconly2"): New insn patterns.
10893 ("addsi3", "subsi3"): New expanders.
10895 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10897 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10898 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10899 existing STMT_VINFO_VECTYPE if available.
10900 (vect_mark_relevant): Add special handling for stmts that are
10901 marked as STMT_VINFO_IN_PATTERN_P.
10902 (vect_analyze_loop): Call vect_pattern_recog.
10903 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10904 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10906 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10907 (vect_recog_func_ptr): New function-pointer type.
10908 * tree-vect-patterns.c: New file.
10909 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10910 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10911 (vect_pattern_recog_1): New functions.
10912 (vect_pattern_recog_funcs): New array of function pointers.
10914 * tree-vectorizer.h (ternary_op): New enum value.
10915 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10916 declaration. Revised documentation. Removed redundant dump prints.
10917 Removed redundant argument. Added support for reduction patterns.
10918 (vectorizable_reduction): Added support for reduction patterns.
10919 (vect_transform_stmt): Added support for patterns.
10921 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10922 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10923 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10924 (expand_widen_pattern_expr): New function.
10925 (init_optabs): Initialize new optabs udot_prod_optab,
10927 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10928 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10929 (expand_widen_pattern_expr): New function declaration.
10930 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10932 * tree-inline.c (estimate_num_insns_1): Added cases for new
10933 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10934 * tree-pretty-print.c (dump_generic_node): Likewise.
10935 (op_prio): Likewise.
10936 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10937 * tree-ssa-operands.c (get_expr_operands): Added case for
10939 * tree-vect-patterns.c (widened_name_p): New function.
10940 (vect_recog_dot_prod_pattern): Added function implementation.
10941 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10942 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10943 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10944 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10946 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10947 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10948 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10949 (init_optabs): Initialize new optabs widen_ssum_optab,
10951 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10952 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10953 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10954 use instead of type of def.
10955 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10956 function implementation.
10957 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10958 widen_ssumv8hi): New.
10960 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10963 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10966 * c-decl.c (add_flexible_array_elts_to_size): New function.
10967 (finish_decl): Use it.
10969 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10971 * diagnostic.h: Include options.h.
10972 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10973 dependancies for diagnostic.h.
10974 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10976 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10978 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10979 (ssa_ro_call_cache_valid): Ditto.
10980 * tree-ssa-alias.c (sort_tags_by_id): New function.
10981 (init_transitive_clobber_worklist): Ditto.
10982 (add_to_worklist): Ditto.
10983 (mark_aliases_call_clobbered): Ditto.
10984 (compute_tag_properties): Ditto.
10985 (set_initial_properties): Ditto.
10986 (compute_call_clobbered): Ditto.
10987 (compute_may_aliases): Call compute_call_clobbered and grouping.
10988 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10989 (compute_flow_insensitive_aliasing): Grouping now happens in our
10991 (setup_pointers_and_addressables): Remove clobbering related code.
10992 (add_may_alias): Ditto.
10993 (replace_may_alias): Ditto.
10994 (get_nmt_for): Ditto.
10995 (create_global_var):
10996 (is_escape_site): Return an escape_type enumeration.
10997 * tree-flow-inline.h (is_call_clobbered): Global var does not
10998 imply call clobbered.
10999 (mark_call_clobbered): Take a reason for marking this. Remove
11000 marking of globalness, and cache invalidation.
11001 (clear_call_clobbered): Remove cache invalidation code.
11002 * tree-dfa.c (dump_variable): If details is on, dump the reason
11004 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11006 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11007 (struct var_ann_d): Ditto.
11008 (enum escape_type): New.
11009 (mark_call_clobbered): Adjust prototype.
11010 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11011 are never call clobbered.
11012 Record reasons for escaping.
11013 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11014 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11015 (ssa_ro_call_cache_valid): Ditto.
11016 (clobbered_v_may_defs): Ditto.
11017 (clobbered_vuses): Ditto.
11018 (ro_call_vuses): Ditto.
11019 (clobber_stats): New.
11020 (init_ssa_operands): Zero out clobber stats.
11021 (fini_ssa_operands): Print out clobber stats.
11022 (get_call_expr_operands): Pass callee fndecl to
11023 add_call_read_ops).
11024 (add_call_clobber_ops): Remove use of cache.
11025 Add use of PURE_CONST information.
11026 (add_call_read_ops): Remove use of cache.
11027 Add use of static not_read information.
11029 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11031 Introduce TLS descriptors for i386 and x86_64.
11032 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11033 (TARGET_ANY_GNU_TLS): New macro.
11034 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11035 (struct machine_function): Add tls_descriptor_call_expanded_p.
11036 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11037 (ix86_current_function_calls_tls_descriptor): Likewise.
11038 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11039 (override_options): Introduce gnu2 tls dialect.
11040 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11042 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11044 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11045 (ix86_init_machine_status): Initialize new field.
11046 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11047 (ix86_tls_module_base): New.
11048 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11049 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11050 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11051 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11052 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11053 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11054 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11055 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11056 * config/i386/predicates.md (tls_modbase_operand): New.
11057 (tp_or_register_operand): New.
11059 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11061 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11062 (look_for_address_of): Ditto.
11063 (ipa_init): Walk the function decls.
11064 (static_execute): Don't set readonly on FUNCTION_DECL's.
11066 2006-01-18 Roger Sayle <roger@eyesopen.com>
11068 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11069 for shifts where the source and destination registers are different.
11071 2006-01-18 Paul Brook <paul@codesourcery.com>
11073 Merge from csl-arm-branch.
11074 2005-03-14 Julian Brown <julian@codesourcery.com>
11075 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11076 (aeabi_llsl): Likewise.
11077 (ashrdi3): Likewise.
11078 (aeabi_lasr): Likewise.
11079 (lshrdi3): Likewise.
11080 (aeabi_llsr): Likewise.
11081 2005-03-10 Julian Brown <julian@codesourcery.com>
11082 * config.gcc: Disable shared libgcc for SymbianOS.
11083 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11085 2006-01-18 DJ Delorie <dj@redhat.com>
11087 * c-pragma.c (handle_pragma_diagnostic): New.
11088 (init_pragma): Register it.
11089 * doc/extend.texi: Document it.
11091 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11092 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11093 (diagnostic_context): Add classify_diagnostic[].
11094 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11095 as errors if they're overridden to DK_WARNING.
11096 (diagnostic_initialize): Initialize classify_diagnostic[].
11097 (diagnostic_set_kind_override): New.
11098 (diagnostic_report_diagnostic): Check for kind changes.
11099 * opts.c (common_handle_option): Take lang_mask. Update callers.
11100 Handle OPT_Werror_.
11101 * common.opt (Werror=): New.
11102 * doc/invoke.texi: Document -Werror=*
11104 2006-01-18 Jeff Law <law@redhat.com>
11106 * tree-vrp.c (test_for_singularity): Correct test for new
11107 min limit. Use operand_equal_p rather than pointer equality
11108 for testing if new min/max values are equal.
11110 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11111 using range information until after propagation and folding.
11113 2006-01-18 Richard Henderson <rth@redhat.com>
11114 Aldy Hernandez <aldyh@redhat.com>
11115 Jakub Jelinek <jakub@redhat.com>
11116 Diego Novillo <dnovillo@redhat.com>
11118 * omp-low.c: New file.
11119 * c-omp.c: New file.
11121 2006-01-18 Richard Henderson <rth@redhat.com>
11122 Jakub Jelinek <jakub@redhat.com>
11123 Diego Novillo <dnovillo@redhat.com>
11125 * doc/invoke.texi: Document -fopenmp.
11126 * tree-dump.h (debug_function): Declare.
11127 * hooks.c (hook_bool_tree_bool_false): New function.
11128 (hook_tree_tree_null): Remove.
11129 (hook_tree_tree_tree_null): New.
11130 * hooks.h: Update to match.
11131 * tree-pretty-print.c (debug_tree_chain): New.
11132 (print_generic_expr): Handle TDF_CHAIN.
11133 (dump_generic_node): Handle BLOCK.
11134 Do not abort with incomplete SWITCH_EXPRs.
11135 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11136 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11137 print space after directive name.
11138 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11139 Handle OMP_MASTER and OMP_ORDERED.
11140 Handle printing of OMP_BODY just in one place, goto
11141 dump_omp_body in the rest of OMP_* nodes that have
11143 Don't handle clause nodes here. Update omp statements to
11144 use dump_omp_clauses.
11145 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11146 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11147 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11148 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11149 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11150 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11151 Adjust output for GOMP_PARALLEL.
11152 (dump_omp_clauses): New.
11153 (print_declaration): Dump DECL_VALUE_EXPR.
11154 (op_symbol_1): Split out of op_symbol.
11155 (dumping_stmts): Remove. Update all users.
11156 * cgraph.c (cgraph_analyze_queue): New.
11157 (cgraph_add_new_function): New.
11158 * cgraph.h (cgraph_analyze_queue): Declare.
11159 (cgraph_add_new_function): Declare.
11160 (cgraph_lower_function): Remove.
11161 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11162 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11163 and TYPE_P nodes in its default clause.
11164 (empty_body_p): New.
11165 (tree_range_check_failed): New.
11166 (build5_stat): New.
11167 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11168 OMP_CLAUSE_REDUCTION_MERGE,
11169 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11170 OMP_CLAUSE_PRIVATE_DEBUG,
11171 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11172 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11173 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11174 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11175 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11176 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11177 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11178 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11179 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11180 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11181 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11182 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11183 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11184 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11185 (TREE_RANGE_CHECK): New.
11186 (empty_body_p): Declare.
11187 (enum omp_clause_default_kind): New.
11188 (build_string_literal): Declare.
11189 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11190 (build5_stat, build5): Declare.
11191 * tree-pass.h (TDF_CHAIN): Define.
11192 * tree-pass.h (PROP_gimple_lomp): Define.
11193 (pass_lower_omp): Declare.
11194 * diagnostic.h (debug_tree_chain): Declare.
11195 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11197 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11198 * builtins.c (build_string_literal): Make extern.
11199 * gcc.c (include_spec_function): New.
11200 (static_spec_functions): Add it.
11201 (main): Move load of libgomp.spec ...
11202 (LINK_COMMAND_SPEC): ... here.
11203 (link_gomp_spec): New.
11204 (static_specs): Include it.
11205 (LINK_COMMAND_SPEC): Add link_gomp.
11206 (GOMP_SELF_SPECS): New.
11207 (driver_self_specs): Include it.
11208 (switch_matches): Don't mark inline.
11209 (main): Load libgomp.spec.
11210 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11211 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11212 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11213 * tree-gimple.h (enum omp_parallel): Declare.
11214 (determine_parallel_type): Declare.
11215 (omp_firstprivatize_variable): Declare.
11216 (omp_reduction_init): Declare.
11217 (diagnose_omp_structured_block_errors): Declare.
11218 (struct walk_stmt_info): Add want_return_expr.
11219 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11220 (find_omp_clause): Declare.
11221 (insert_field_into_struct): Declare.
11222 (struct walk_stmt_info): Move from tree-nested.c
11223 (walk_stmts): Declare.
11224 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11226 * cgraphunit.c (cgraph_lower_function): Make static.
11227 (cgraph_finalize_pending_functions): New.
11228 (cgraph_finalize_function): Call it.
11229 (cgraph_finalize_compilation_unit): Likewise.
11230 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11231 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11232 (BT_FN_UINT_UINT): New.
11233 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11234 DEF_FUNCTION_TYPE_VAR_4): Document.
11235 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11236 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11237 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11238 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11239 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11240 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11241 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11242 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11243 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11244 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11245 into separate files.
11246 (DEF_GOMP_BUILTIN): New.
11247 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11248 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11249 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11250 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11251 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11252 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11253 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11254 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11255 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11256 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11257 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11258 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11259 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11260 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11261 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11262 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11263 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11264 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11265 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11266 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11267 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11268 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11269 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11270 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11271 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11272 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11273 * sync-builtins.def: New file, moved from builtins.def.
11274 * omp-builtins.def: New file, moved from builtins.def.
11275 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11276 * gimple-low.c (lower_function_body): Clear data.
11277 (lower_stmt): Do not handle COMPOUND_EXPR.
11278 Remove call to print_node_brief.
11279 * c-tree.h (c_finish_omp_clauses): New prototype.
11280 (C_DECL_THREADPRIVATE_P): Define.
11281 (lookup_name_no_remap, c_omp_remap_private): Remove
11282 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11283 (check_for_loop_decls): Update decl.
11284 (lookup_name_no_remap, c_omp_remap_private): Declare.
11285 (build_indirect_ref, build_modify_expr, pushdecl,
11286 pushdecl_top_level): Move to c-common.h.
11287 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11288 before the switch, but just in the 2 places that need it.
11289 * c-decl.c (diagnose_mismatched_decls): Do not check for
11290 mismatched thread-local attributes when OLDDECL is marked
11291 threadprivate and NEWDECL has no thread-local attributes.
11292 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11293 (c_gimple_diagnostics_recursively): Rename from
11294 c_warn_unused_result_recursively. Invoke
11295 diagnose_omp_structured_block_errors.
11296 (check_for_loop_decls): Return a singular decl found.
11297 * langhooks.c (lhd_omp_predetermined_sharing): Return
11298 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11299 (lhd_omp_firstprivatize_type_sizes): New.
11300 (lhd_omp_assignment): New.
11301 (lhd_omp_predetermined_sharing): New.
11302 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11303 (struct lang_hooks_for_types): Add
11304 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11305 omp_predetermined_sharing, omp_disregard_value_expr,
11306 omp_private_debug_clause, omp_clause_default_ctor,
11307 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11308 (c_finish_omp_clauses): New.
11309 (c_finish_bc_stmt): Diagnose break within omp for.
11310 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11311 (build_unary_op): Return error_mark after reporting
11313 (build_modify_expr): Likewise.
11314 * gimplify.c: Include optabs.h and pointer-set.h.
11315 (enum gimplify_omp_var_data): Declare.
11316 (struct gimplify_omp_ctx): Declare.
11317 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11319 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11320 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11321 (splay_tree_compare_decl_uid): New.
11322 (new_omp_context): New.
11323 (delete_omp_context): New.
11324 (gimple_add_tmp_var): Call omp_add_variable.
11325 (gimplify_bind_expr): Likewise.
11326 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11327 true, disregard DECL_VALUE_EXPR on the decl if any.
11328 (gimplify_expr_in_ctx): New.
11329 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11330 omp_add_variable, omp_notice_variable, omp_is_private
11331 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11332 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11333 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11334 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11335 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11336 gimplify_omp_atomic): New.
11337 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11338 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11339 OMP_CRITICAL and OMP_ATOMIC.
11340 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11341 * c-pragma.h (enum pragma_kind): Add
11342 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11343 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11344 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11345 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11346 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11347 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11348 PRAGMA_OMP_THREADPRIVATE.
11349 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11350 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11351 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11352 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11353 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11354 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11355 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11356 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11357 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11358 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11359 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11360 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11361 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11363 (struct nesting_info): Add field_map,
11364 suppress_expansion, debug_var_chain.
11365 (create_nesting_tree): Initialize them.
11366 (lookup_field_for_decl): Use field_map.
11367 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11368 (convert_local_omp_clauses): New.
11369 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11370 (walk_body): Split out of walk_function.
11371 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11372 (convert_nonlocal_reference): Handle omp statements.
11373 (convert_local_reference): Likewise.
11374 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11375 (unnest_nesting_tree): New.
11376 (lower_nested_functions): Call it.
11377 (insert_field_into_struct): Make extern.
11378 (struct walk_stmt_info): Move to tree-gimple.h.
11379 (walk_stmts): Make extern.
11380 * omp-builtins.def: New file.
11381 * tree-iterator.c (expr_only): Clarify comment.
11382 * c-common.h (pushdecl_top_level, pushdecl,
11383 build_modify_expr, build_indirect_ref,
11384 c_finish_omp_master, c_finish_omp_critical,
11385 c_finish_omp_ordered, c_finish_omp_barrier,
11386 c_finish_omp_atomic, c_finish_omp_flush,
11387 c_finish_omp_for, c_split_parallel_clauses,
11388 omp_clause_default_kind, c_omp_sharing_predetermined,
11389 c_omp_remap_decl): Declare.
11390 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11391 (OBJS-common): Add omp-low.o.
11392 (c-omp.o, omp-low.o): Add.
11393 (gimplify.o): Add dependency on $(OPTABS_H).
11394 (GTFILES): Add omp-low.c.
11395 (gt-stringpool.h): Add.
11396 * tree-cfg.c (set_bb_for_stmt): Do not update the
11397 block-to-labels map if we are currently expanding to RTL.
11398 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11400 Handle IDENTIFIER_NODE.
11401 (tree_verify_flow_info): Do not ICE when emitting error
11402 messages about invalid labels.
11403 (dump_function_to_file): Reset CFUN before emitting the body
11405 (debug_function): New.
11406 * passes.c (init_optimization_passes): Schedule
11408 * langhooks-def.h (lhd_omp_predetermined_sharing,
11409 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11411 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11412 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11413 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11414 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11415 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11416 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11417 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11418 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11419 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11420 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11421 (LANG_HOOK_DECLS): Use them.
11423 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11424 Richard Henderson <rth@redhat.com>
11425 Jakub Jelinek <jakub@redhat.com>
11426 Diego Novillo <dnovillo@redhat.com>
11428 * c-parser.c (pragma_omp_clause): Define.
11429 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11430 (c_parser_compound_statement): Likewise.
11431 (c_parser_statement): Likewise.
11432 (c_parser_pragma): Handle omp pragmas.
11433 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11434 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11435 (c_parser_omp_clause_name, check_no_duplicate_clause,
11436 c_parser_omp_variable_list,
11437 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11438 c_parser_omp_clause_copyprivate,
11439 c_parser_omp_clause_default,
11440 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11441 c_parser_omp_clause_lastprivate,
11442 c_parser_omp_clause_nowait,
11443 c_parser_omp_clause_num_threads,
11444 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11445 c_parser_omp_clause_reduction,
11446 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11447 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11448 c_parser_omp_atomic, c_parser_omp_barrier,
11449 c_parser_omp_critical, c_parser_omp_flush,
11450 c_parser_omp_for_loop, c_parser_omp_for,
11451 c_parser_omp_master, c_parser_omp_ordered,
11452 c_parser_omp_sections_scope, c_parser_omp_sections,
11453 c_parser_omp_parallel, c_parser_omp_single,
11454 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11455 * c-pragma.c (init_pragma): Do omp pragma registration here.
11456 * c.opt (fopenmp): New flag.
11458 2006-01-18 Eric Christopher <echristo@apple.com>
11460 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11461 * config/darwin.h (GOMP_SELF_SPECS): Define.
11463 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11465 * rtl.h: Remove the prototype for reg_alloc.
11467 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11470 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11471 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11472 sjlj and dwarf2 exception handling.
11473 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11474 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11475 * pa/pa.c (function_value): Treat complex and vector types as
11477 (function_arg): Likewise. Only pass scalar floats in the floating
11478 point argument registers.
11479 * pa/t-slibgcc-dwarf-ver: New file.
11480 * pa/t-slibgcc-sjlj-ver: New file.
11481 * pa/t-slibgcc-elf-ver: Delete file.
11483 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11485 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11486 unlikely_test_section_p test.
11488 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11490 * mode-switching.c (optimize_mode_switching): Make it static.
11491 * basic-block.h: Remove the prototype for
11492 optimize_mode_switching.
11494 * modulo-sched.c (sms_schedule): Make it static.
11495 * rtl.h: Remove the prototype for sms_schedule.
11497 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11498 * rtl.h: Remove the prototype for gcse_after_reload_main.
11500 * reg-stack.c (reg_to_stack): Make it static.
11501 * rtl.h: Remove the prototype for reg_to_stack.
11503 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11505 * rtl.h: Remove the prototypes for regrename_optimize and
11506 copyprop_hardreg_forward.
11508 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11510 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11511 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11512 Test against the appropriate null constant for the mode.
11513 If 'fixup_overlap' is true, swap the operands if they overlap.
11514 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11515 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11516 alpha_split_tmode_pair and adjust for above change.
11517 * config/alpha/alpha.md (movtf_internal): Adjust call to
11518 alpha_split_tfmode_pair and rely on it to swap the operands.
11519 (movti_internal): New insn and post-reload splitter.
11520 (movti): New expander.
11522 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11524 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11527 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11529 * rtlanal.c (global_reg_mentioned_p_1,
11530 global_reg_mentioned_p): Remove.
11531 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11533 * flow.c (initialize_uninitialized_subregs): Make it static.
11534 * rtl.h: Remove the prototype for
11535 initialize_uninitialized_subregs.
11537 * function.c (instantiate_virtual_regs): Make it static.
11538 * function.h: Remove the prototype for
11539 instantiate_virtual_regs.
11541 * regmove.c (regmove_optimize, combine_stack_adjustments):
11543 * rtl.h: Remove the prototypes for regmove_optimize and
11544 combine_stack_adjustments.
11546 2006-01-17 Roger Sayle <roger@eyesopen.com>
11548 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11549 (size_cost): Encode costs in bytes so that a reg-reg addition is
11550 equivalent to COSTS_N_INSNS(1).
11551 (override_options): Use the size_cost.branch_cost as the default
11552 ix86_branch_cost when optimizing for size.
11554 2006-01-18 Ben Elliston <bje@au.ibm.com>
11556 * Makefile.in (D32PBIT_FUNCS): New.
11557 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11558 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11559 D64PBIT_FUNCS and D128PBIT_FUNCS.
11560 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11561 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11563 (decnumber_dep): Define.
11564 * doc/libgcc.texi (Decimal float library routines): New node.
11565 * config/dfp-bit.h, config/dfp-bit.c: New files.
11567 2006-01-18 Ben Elliston <bje@au.ibm.com>
11569 * expr.c (emit_move_change_mode): Always adjust addresses, not
11570 just during reload. Copy replacements only during reload.
11571 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11572 emit_move_via_integer.
11574 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11576 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11577 instead of $(srcdir) and ${srcdir}.
11579 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11582 PR middle-end/11135
11583 * arm.h (struct machine_function): Add pic_reg.
11584 * arm.c (arm_pic_register): Make unsigned.
11585 (arm_override_options): Only set arm_pic_register if
11586 TARGET_SINGLE_PIC_BASE.
11587 (use_return_insn): Only test for a pic register if it is fixed.
11588 (arm_compute_save_reg0_reg12_mask): Likewise.
11589 (thumb_compute_save_reg_mask): Likewise.
11590 (legitimate_pic_operand): Factor out some known invariants.
11591 (legitimize_pic_address): If we don't have a fixed pic register,
11592 then set up a pseudo in the function entry sequence. Handle the
11593 pic base being in a pseudo.
11594 (arm_load_pic_register): Handle the pic register being in a pseudo.
11595 (arm_expand_prologue): Only set up the pic register if it is fixed.
11596 (thumb_expand_prologue): Likewise.
11597 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11598 (pic_load_addr_based_insn): Likewise.
11599 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11602 2006-01-18 Ben Elliston <bje@au.ibm.com>
11604 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11605 decimal float modes for all floating point registers.
11607 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11608 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11610 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11613 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11614 even when the pointer is not NULL.
11616 2006-01-16 Ian Lance Taylor <ian@airs.com>
11618 * common.opt (ftoplevel-reorder): New option.
11619 * cgraph.c (cgraph_asm_nodes): New global variable.
11620 (cgraph_asm_last_node): New static variable.
11621 (cgraph_order): New global variable.
11622 (cgraph_create_node): Set new order field.
11623 (cgraph_varpool_node): Likewise.
11624 (decide_is_variable_needed): Return true if not
11625 flag_toplevel_reorder.
11626 (cgraph_add_asm_node): New function.
11627 * cgraph.h (struct cgraph_node): Add order field.
11628 (struct cgraph_varpool_node): Add order field.
11629 (struct cgraph_asm_node): Define.
11630 (cgraph_asm_nodes, cgraph_order): Declare.
11631 (cgraph_add_asm_node): Declare.
11632 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11634 (cgraph_varpool_assemble_pending_decls): Call it.
11635 (cgraph_output_pending_asms): New static function.
11636 (cgraph_finalize_compilation_unit): Call it.
11637 (struct cgraph_order_sort): Define.
11638 (cgraph_output_in_order): New static function.
11639 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11640 !flag_toplevel_reorder case.
11641 * c-parser.c: Include "cgraph.h".
11642 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11644 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11645 than -fno-unit-at-a-time.
11646 * doc/invoke.texi (Option Summary): Mention
11647 -fno-toplevel-reorder.
11648 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11649 -funit-at-a-time documentation.
11651 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11652 Kazu Hirata <kazu@codesourcery.com>
11654 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11656 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11658 * Makefile.in (FUNCTION_H): New. Use it instead of
11659 function.h throughout the file.
11660 * function.h: Include tree.h.
11662 2006-01-17 Ben Elliston <bje@au.ibm.com>
11664 * recog.c: Separate some functions with whitespace.
11666 2006-01-16 Richard Henderson <rth@redhat.com>
11668 Merge from gomp branch:
11669 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11670 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11671 and rename from struct inline_data. Rename callee* to dst*;
11672 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11673 transform_new_cfg, transform_return_to_modify, and
11674 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11676 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11677 (copy_decl_for_dup): Remove.
11678 * tree-inline.c (struct inline_data): Move to header.
11679 (insert_decl_map): Export.
11680 (remap_decl): Update for member name changes. Use copy_decl hook.
11681 Allow for replacement to be a non-decl. Remove dead code.
11682 (remap_type_1): Check for existing mapping.
11683 (remap_type): Export.
11684 (remap_decls): Update for member name changes.
11685 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11686 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11687 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11688 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11689 (tree_function_versioning, build_duplicate_type): Likewise.
11690 (copy_body_r): Likewise. Export.
11691 (copy_decl_for_dup): Split into ...
11692 (copy_decl_for_dup_finish, copy_decl_to_var,
11693 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11694 (replace_ref_tree, inlining_p): Remove.
11696 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11698 * ifcvt.c (if_convert): Make it static.
11699 * rtl.h: Remove the prototype for if_convert.
11701 * local-alloc.c (local_alloc): Make it static.
11702 * rtl.h: Remove the prototype for local_alloc.
11704 * loop.c (loop_optimize): Make it static.
11705 * cfgloop.h: Remove the prototype for loop_optimize.
11708 2006-01-16 DJ Delorie <dj@redhat.com>
11710 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11713 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11715 * pa.md: Disparage copies between general and floating-point registers
11716 in 32-bit move patterns.
11718 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11721 * Makefile.in (check-%): Depend on site.exp instead of
11722 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11725 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11727 * global.c (global_alloc): Make it static.
11728 * rtl.h: Remove the prototype for global_alloc.
11730 2006-01-16 Richard Guenther <rguenther@suse.de>
11732 * tree-ssa-alias.c (struct used_part): Add write_only field.
11733 (get_or_create_used_part_for): Initialize it to true.
11734 (create_overlap_variables_for): Don't create structure variables
11735 for structures that only are written to.
11736 (find_used_portions): Handle MODIFY_EXPR to track whether a
11737 structure is only written to.
11739 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11741 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11743 * basic-block.h: Remove the prototype for
11744 partition_hot_cold_basic_blocks.
11746 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11748 * cppspec.c (lang_specific_spec_functions): Remove.
11749 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11750 * gcc.h (lang_specific_spec_functions): Remove.
11751 * gccspec.c (lang_specific_spec_functions): Remove.
11753 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11755 * combine.c (record_value_for_reg): Invalidate registers
11757 (record_dead_and_set_regs_1): Likewise, by passing them to
11758 record_value_for_reg.
11759 (record_dead_and_set_regs): Invalidate stores made by a
11760 call. We do not combine across a call, but we still
11761 relied on equivalences.
11763 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11765 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11766 vrp_int_const_binop returning non-constant nodes.
11768 2006-01-16 Paul Brook <paul@codesourcery.com>
11770 * config/m68k/m68k.c (output_move_const_into_data_reg):
11771 Output correct mnemonic for mvz and mvs.
11773 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11775 * rtl-factoring.c: Add sequence abstraction algorithm.
11776 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11777 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11779 (block_has_preserve_label): New function.
11780 * common.opt: Register new pass.
11781 * Makefile.in: Ditto.
11783 * timevar.def: Ditto.
11784 * tree-pass.h: Ditto.
11785 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11786 * rtl.h (make_jump_insn_raw): Add forward decl.
11787 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11789 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11790 Roger Sayle <roger@eyesopen.com>
11792 * fold-const.c (fold_minmax): New static function.
11793 (fold_binary) <MIN_EXPR>: Call it.
11794 <MAX_EXPR>: Likewise.
11795 * stor-layout.c (place_field): Use DECL_SIZE consistently
11796 in the computation of the new record size.
11798 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11800 * cse.c (cse_condition_code_reg): Make it static.
11801 * rtl.h: Remove the prototype for cse_condition_code_reg.
11803 * combine.c (combine_instructions): Make it static.
11804 * rtl.h: Remove the prototype for combine_instructions.
11806 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11809 * tree.c (get_file_function_name_long): Concatenate the first global
11810 object name with a string derived from the input filename of the object
11813 2006-01-16 Ben Elliston <bje@au.ibm.com>
11815 * config/i386/winnt-stubs.c: Update FSF address.
11816 * config/xtensa/ieee754-df.S: Ditto.
11817 * config/xtensa/ieee754-sf.S: Ditto.
11819 2006-01-14 Ian Lance Taylor <ian@airs.com>
11821 * ifcvt.c (noce_init_if_info): New static function, broken out of
11822 noce_process_if_block.
11823 (noce_process_if_block): Call noce_init_if_info.
11824 (check_cond_move_block): New static function.
11825 (cond_move_process_if_block): New static function.
11826 (process_if_block): Call cond_move_process_if_block.
11828 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11830 * cselib.c (hash_table): Rename to cselib_hash_table.
11831 (cselib_clear_table, discard_useless_values,
11832 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11833 cselib_init, cselib_finish): Adjust uses of hash_table.
11835 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11837 PR tree-optimization/25485
11838 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11839 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11840 is known to be false and true, respectively.
11842 2006-01-14 Richard Guenther <rguenther@suse.de>
11844 PR tree-optimization/22548
11845 PR tree-optimization/22555
11846 PR tree-optimization/22501
11847 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11848 * params.def (salias-max-array-elements): New parameter.
11849 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11850 * doc/invoke.texi (salias-max-array-elements): Document.
11851 * tree-flow-inline.h (var_can_have_subvars): We also handle
11853 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11855 * tree-ssa-structalias.c (params.h): Include.
11856 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11857 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11858 (get_constraint_for): For ADDR_EXPR operating on something
11859 containing an ARRAY_REF, add all subvars to the solution.
11860 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11861 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11862 for creating MUST_DEFs.
11863 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11865 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11867 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11869 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11870 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11871 number_of_iterations_le): New functions.
11872 (number_of_iterations_special): Removed.
11873 (number_of_iterations_exit): Do not use number_of_iterations_special.
11874 * tree.c (unsigned_type_for): Always return integer type.
11876 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11877 Richard Guenther <rguenther@suse.de>
11879 PR rtl-optimization/24257
11880 * gcse.c (find_moveable_store): Only consider a store movable
11881 when the SET_SRC of the insn can be assigned to a register.
11883 2006-01-14 Ian Lance Taylor <ian@airs.com>
11885 * tree.c (tree_not_class_check_failed): New function.
11886 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11887 (tree_not_class_check_failed): Declare.
11889 2006-01-13 Ian Lance Taylor <ian@airs.com>
11891 * reload1.c (do_output_reload): Add assertion rejecting a
11894 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11896 * combine.c (struct reg_stat): Add new fields truncation_label and
11898 (record_value_for_reg): Reset truncated_to_mode.
11899 (record_truncated_value): New function.
11900 (check_promoted_subreg): Call it. Rename to check_conversions.
11901 (combine_instructions): Rename check_promoted_subreg to
11903 (reg_truncated_to_mode): New function.
11904 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11905 (gen_lowpart_or_truncate): New function.
11906 (force_to_mode): Use it instead of gen_lowpart.
11908 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11910 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11911 VAR is a tag, not its type tag.
11913 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11915 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11916 alternatives to match style of other entries.
11917 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11919 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11921 PR tree-optimization/25771
11922 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11925 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11928 * tree-inline.c (declare_return_variable): If the return variable
11929 was marked as a non gimple complex, set the return slot variable
11930 to be a non gimple comple variable.
11932 2006-01-13 Richard Guenther <rguenther@suse.de>
11934 * builtins.c (expand_builtin_sincos): New function.
11935 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11937 (expand_builtin): Expand sincos using expand_builtin_sincos.
11939 2006-01-12 DJ Delorie <dj@redhat.com>
11941 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11942 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11943 so that constant shifts can be split.
11944 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11945 (m32c_valid_pointer_mode): Make static.
11946 (shift_gen_func_for): New.
11947 (m32c_prepare_shift): Use it. Split large const shifts into
11949 * config/m32c/predicates.md (shiftcount_operand): Allow more
11951 (longshiftcount_operand): New.
11952 * doc/md.texi (Machine Constraints): Document In6.
11954 2006-01-13 Ben Elliston <bje@au.ibm.com>
11956 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11957 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11960 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11962 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11963 to try to avoid clobbering pieces of structures when we know
11964 something about the whole structure.
11965 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11967 2006-01-13 Ben Elliston <bje@au.ibm.com>
11969 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11970 return in memory, as this is no limitation is no longer present.
11972 2006-01-12 DJ Delorie <dj@redhat.com>
11974 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11975 mova with fb, and for fb+0 -> An.
11977 * config/m32c/mov.md (peephole2): Fix enabling logic.
11979 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11980 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11981 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11982 FINI_ARRAY_SECTION_ASM_OP): Define.
11984 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11986 (m32c_legitimize_reload_address): New logic to reload FB to An.
11987 (m32c_output_reg_push): Add newline.
11988 (m32c_output_reg_pop): Likewise.
11990 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11992 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11994 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11996 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11998 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12000 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12003 2006-01-11 Ben Elliston <bje@au.ibm.com>
12005 * rtlanal.c (find_reg_note): Assert insn is not null.
12007 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12009 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12012 2006-01-11 Jeff Law <law@redhat.com>
12014 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12016 (mark_threaded_blocks, register_jump_thread): New functions.
12017 (thread_through_all_blocks): Remove unwanted argument. No
12018 longer rely on e->aux to communicate thread target info.
12019 Call mark_threaded_blocks. Release the threaded_blocks
12020 bitmap and threaded_edges vector when complete.
12021 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12022 (threaded_blocks): Remove.
12023 (tree_ssa_dominator_optimize): Remove initialization and
12024 finalization of threaded_blocks. Simplify call to
12025 thread_through_all_blocks.
12026 (thread_across_edge): Call register_jump_thread rather than
12027 storing thread information into e->aux.
12028 (free_all_edge_infos): Simplify now that e->aux is no longer
12029 used to communicate with thread_through_all_blocks.
12030 * tree-flow.h (thread_through_all_blocks): Update prototype.
12031 (register_jump_thread): Prototype.
12033 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12035 * df-core.c (df_compact_blocks, df_bb_replace): Use
12036 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12038 2006-01-11 Richard Guenther <rguenther@suse.de>
12040 PR tree-optimization/25734
12041 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12042 stop propagation after successful propagation to the LHS.
12044 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12046 * basic-block.h (control_flow_graph): Change the type of
12047 x_basic_block_info to VEC(basic_block,gc) *.
12048 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12050 (SET_BASIC_BLOCK): New.
12051 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12052 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12053 * cfgbuild.c (find_basic_blocks): Likewise.
12054 * cfglayout.c (fixup_reorder_chain): Likewise.
12055 * cfgrtl.c (create_basic_block_structure,
12056 rtl_create_basic_block): Likewise.
12057 * ifcvt.c (find_if_case_1): Likewise.
12058 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12061 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12063 * Makefile.in: Removed rotted odf.c entry.
12065 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12068 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12069 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12070 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12071 output pattern modifier, not %e.
12072 * config/cris/cris.c (cris_op_str): Update comment about pattern
12074 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12075 before falling through into...
12076 <case 'E'>: Redefined from old 'e' case.
12078 2006-01-11 Jan Hubicka <jh@suse.cz>
12081 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12083 2006-01-11 Jan Hubicka <jh@suse.cz>
12085 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12086 * i386.c (x86_decompose_lea): Kill.
12087 (ix86_rtx_costs): Kill.
12089 2006-01-11 Jan Hubicka <jh@suse.cz>
12091 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12092 * cgraph.h (cgraph_node): Add inline_decl.
12093 (cgraph_insert_node_to_hashtable): Declare.
12094 (save_inline_function_body): Declare.
12095 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12097 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12098 (cgraph_function_versioning): Update call of tree_function_versioning.
12099 (save_inline_function_body): New function.
12100 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12101 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12102 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12103 (cgraph_default_inline_p): Likewise.
12104 (cgraph_decide_inlining_incrementally): Likewise.
12105 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12106 (copy_bb): Kill saving; do updating of clones.
12107 (copy_cfg_body): Kill saving.
12108 (initialize_inlined-parameters): Likewise.
12109 (expand_call_inline): Likewise.
12111 (tree_function_versioning): New parameter "update_clones".
12112 (inlining_p): Kill saving.
12113 * tree-inline.h (tree_function_versioning): Update prototype.
12114 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12117 2006-01-11 Ian Lance Taylor <ian@airs.com>
12119 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12120 Allow undoing set of machine mode.
12121 (do_SUBST): Use enums instead of is_int.
12122 (do_SUBST_MODE): New function.
12123 (SUBST_MODE): New macro.
12124 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12125 reg and trying to replace reg_regno_rtx with a new register.
12126 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12127 (simplify_set): Use SUBST_MODE.
12128 (distribute_notes): Remove code that tried to update reg notes
12129 for regno_reg_rtx changes.
12131 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12133 PR tree-optimization/23109
12134 PR tree-optimization/23948
12135 PR tree-optimization/24123
12137 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12138 * tree-cfg.c (single_noncomplex_succ): New.
12139 * tree-flow.h (single_noncomplex_succ): Declare it.
12140 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12141 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12142 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12143 insert_bb, register_division_in, insert_reciprocals,
12144 replace_reciprocal, free_bb): New.
12145 (execute_cse_reciprocals_1): Rewritten.
12146 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12147 Do not commit any edge insertion. Always compute dominators and
12148 create the allocation pool.
12149 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12150 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12151 * targhooks.c (default_min_divistions_for_recip_mul): New.
12152 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12153 * passes.c (init_optimization_passes): Run recip after tree loop
12155 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12157 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12158 Kenneth Zadeck <zadeck@naturalbridge.com>
12160 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12161 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12162 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12163 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12164 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12165 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12166 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12167 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12168 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12169 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12170 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12171 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12172 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12173 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12174 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12175 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12176 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12177 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12178 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12179 DF_SCAN_POST_ALLOC): New macros.
12180 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12181 df_free_bb_function, df_local_compute_function, df_init_function,
12182 df_dataflow_function, df_confluence_function_0,
12183 df_confluence_function_n, df_transfer_function,
12184 df_finalizer_function, df_free_function, df_dump_problem_function,
12185 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12186 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12187 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12188 df_urec_bb_info, ) New types.
12189 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12191 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12192 df_analyze_simple_change_some_blocks,
12193 df_analyze_simple_change_one_block, df_compact_blocks,
12194 df_bb_replace, df_bb_regno_last_use_find,
12195 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12196 df_insn_regno_def_p, df_find_def, df_find_use,
12197 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12198 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12199 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12200 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12201 debug_df_chain, df_get_dependent_problem, df_chain_create,
12202 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12203 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12204 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12205 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12206 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12207 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12208 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12209 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12210 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12211 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12212 df_reorganize_refs, df_set_state, df_hard_reg_init,
12213 df_read_modify_subreg_p) New public functions.
12214 * df-core.c: The core dataflow solver and glue routines for rtl
12216 (df_init, df_add_problem, df_set_blocks, df_finish,
12217 df_hybrid_search_forward, df_hybrid_search_backward,
12218 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12219 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12220 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12221 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12222 df_reg_defined, df_find_use, df_reg_used, df_dump,
12223 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12224 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12225 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12226 debug_df_useno, reset_df_after_reload): New functions.
12227 * df-scan.c: The scanning fuctions, once in df.c, completely
12228 rewritten so that they now fully model the functionality of
12229 register usage at the backend.
12230 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12231 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12232 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12233 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12234 df_get_artificial_defs, df_get_artificial_uses,
12235 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12236 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12237 df_refs_delete, df_reorganize_refs, df_set_state,
12238 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12239 df_def_record_1, df_defs_record, df_uses_record,
12240 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12241 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12242 df_record_exit_block_uses, df_hard_reg_init): New functions.
12244 * df-problems.c: Seven concrete dataflow problems that use the
12245 scanning in df-scan.c and are solved by the engine in df-core.c.
12246 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12247 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12248 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12249 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12250 df_ru_free_bb_info, df_ru_alloc,
12251 df_ru_bb_local_compute_process_def,
12252 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12253 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12254 df_ru_transfer_function, df_ru_free, df_ru_dump,
12255 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12256 df_rd_free_bb_info, df_rd_alloc,
12257 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12258 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12259 df_rd_transfer_function, df_rd_free, df_rd_dump,
12260 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12261 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12262 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12263 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12264 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12265 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12266 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12267 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12268 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12269 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12270 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12271 df_urec_mark_reg_use_for_earlyclobber,
12272 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12273 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12274 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12275 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12276 df_chain_create_bb_process_use, df_chain_create_bb,
12277 df_chain_finalize, df_chain_free, df_chains_dump,
12278 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12279 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12280 df_reg_lifetime): New functions.
12281 * df.c: Deleted file.
12282 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12283 consistent with new df api.
12284 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12285 rest_of_handle_sms): Ditto.
12286 * web.c (unionfind_union, union_defs, entry_register, web_main):
12288 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12289 invariant_expr_equal_p, find_defs, check_dependencies,
12290 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12291 free_inv_motion_data, move_loop_invariants): Ditto.
12292 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12293 Update dependencies.
12294 (odf.c): Added defective entry that was deleted later in day.
12295 * sched-deps.c (sched_analyze_1): Ditto.
12297 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12299 * tree-ssa-operands.c (get_expr_operands): Record addressable
12300 variables directly. Do not call add_stmt_operands for CONST_DECLs
12302 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12303 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12305 2006-01-11 Ben Elliston <bje@au.ibm.com>
12307 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12308 function returns true in the positive case.
12310 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12313 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12314 for SI, DI, SF and DF modes. Add alternatives to copy between
12315 general and floating point registers to the 32-bit patterns.
12316 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12317 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12318 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12319 generating 64-bit code.
12320 * config/pa/pa.c (output_move_double): Handle copies between general
12321 and floating registers.
12323 2006-01-10 Stuart Hastings <stuart@apple.com>
12325 * config/i386/i386.md (set_got): Update.
12326 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12327 (builtin_setjmp_receiver): Mach-O support.
12328 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12329 (GOT_SYMBOL_NAME): Define.
12330 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12331 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12332 * config/i386/i386.c (override_options): Revise for Darwin.
12333 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12334 support. (darwin_x86_file_end): New. (output_set_got): Add label
12335 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12336 * config/i386/i386-protos.h (output_set_got): Likewise.
12337 * config/darwin.c (machopic_legitimize_pic_address): Update
12340 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12342 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12343 when MODE isn't BLKmode.
12345 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12347 PR rtl-optimization/25367
12348 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12350 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12353 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12354 for a negative bound.
12356 2006-01-10 Richard Guenther <rguenther@suse.de>
12358 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12359 Never override with anything constraint.
12361 2006-01-10 Jan Beulich <jbeulich@novell.com>
12363 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12364 256 bits when optimize_size.
12366 2006-01-10 Jan Beulich <jbeulich@novell.com>
12368 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12370 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12371 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12374 2006-01-10 Ben Elliston <bje@au.ibm.com>
12376 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12378 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12379 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12380 (USE_FP_FOR_ARG): Reject decimal float modes.
12381 (function_arg_advance): Likewise.
12382 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12383 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12384 point types in AltiVec vectors.
12385 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12386 (rs6000_libcall_value): Likewise.
12388 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12390 * config/xtensa/ieee754-df.S: New file.
12391 * config/xtensa/ieee754-sf.S: New file.
12392 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12393 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12394 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12396 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12398 * config/sh/predicates.md (binary_float_operator,
12399 binary_logical_operator, commutative_float_operator,
12400 equality_comparison_operator, greater_comparison_operator,
12401 less_comparison_operator, logical_operator,
12402 noncommutative_float_operator, shift_operator,
12403 symbol_ref_operand, unary_float_operator): Remove redundant
12406 2006-01-09 Jeff Law <law@redhat.com>
12408 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12409 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12410 now unused arguments. Callers updated.
12411 (eliminate_redundant_computations): Remove now unused arguments,
12413 (local_fold): Remove, no longer used.
12414 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12416 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12417 (simplify_cond): New function.
12418 (forward_propagate_into_cond): Call simplify_cond.
12420 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12422 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12423 (*vec_extractv2di_1_sse): New.
12425 2006-01-09 Ben Elliston <bje@au.ibm.com>
12427 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12429 2006-01-08 Richard Guenther <rguenther@suse.de>
12431 * tree-ssa-structalias.c (get_constraint_for): Remove
12432 anyoffset argument.
12433 (get_constraint_for_component_ref): Likewise.
12434 (do_deref): Likewise.
12435 (get_constraint_for): Likewise.
12436 (do_structure_copy): Likewise.
12437 (handle_ptr_arith): Likewise.
12438 (find_func_aliases): Likewise. Remove unused need_anyoffset
12441 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12442 Kaz Kojima <kkojima@gcc.gnu.org>
12444 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12445 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12446 (EXTRA_CONSTRAINT_C16): Remove.
12447 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12448 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12449 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12450 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12451 constants of SHmedia. Handle nested constant expressions of
12453 (andcosts): Fix the costs for SHmedia constants.
12454 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12455 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12456 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12457 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12458 (movv4hi_i, movv2si_i): Likewise.
12459 (movsi_const): Adjust the second operand of ior so to match with
12460 the Csu constraint.
12461 (movdi_const, movdi_const_32bit): Likewise.
12462 (movdi_const_16bit+1): Don't sign-extend LOW.
12463 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12465 (*double_shori): Fix the split condition. Use GEN_INT instead
12466 of get_int_mode calls. Mask lower 16-bit of the argument of
12468 (sym2GOTPLT): Remove.
12469 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12471 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12472 instead of EXTRA_CONSTRAINT_C16.
12474 2006-01-07 Ian Lance Taylor <ian@airs.com>
12475 David Edelsohn <edelsohn@gnu.org>
12477 PR rtl-optimization/25662
12478 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12479 for constant operands instead of simplify_gen_binary.
12480 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12481 after trying simplify_binary_operation
12483 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12485 * tree.c (iterative_hash_expr): Hash decls based on UID.
12487 2006-01-06 Eric Christopher <echristo@apple.com>
12489 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12490 (TARGET_UNWIND_EMIT): Fix spelling.
12491 * target.h (gcc_target): Add except_table_label.
12492 * except.c (output_function_exception_table): Use.
12493 * varasm.c (default_emit_except_table_label): New.
12494 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12496 (asm_out): Add here.
12497 * output.h (default_emit_except_table_label): Prototype.
12498 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12499 * config/darwin.c (darwin_emit_except_table_label): Define.
12500 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12502 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12504 PR tree-optimization/18527
12505 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12506 number_of_iterations_special, number_of_iterations_exit):
12507 Move base and step of an iv to a single structure. Add
12508 no_overflow flag, and use it in # of iterations analysis.
12509 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12510 folded_casts argument.
12511 (simple_iv): Pass base and step in a structure. Set no_overflow
12513 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12514 Evaluate expensiveness of computing # of iterations instead of
12515 the final expression.
12516 * tree-scalar-evolution.h (affine_iv): New structure.
12517 (simple_iv): Declaration changed.
12518 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12519 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12520 find_givs_in_stmt): Changed due to simple_iv change.
12522 2006-01-06 Jeff Law <law@redhat.com>
12525 * tree-cfg.c (bsi_replace): Rename final argument from
12526 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12527 change (stmt -> orig_stmt).
12528 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12529 (bsi_remove): Add new argument. Remove EH information
12531 (verify_eh_throw_table_statements): New function.
12532 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12534 * tree-optimize.c (execute_free_cfg_annotations): Verify
12535 the EH throw statement table after removing annotations.
12536 * except.h (verify_eh_throw_table_statements): Prototype.
12537 * tree-flow.h (bsi_remove): Update prototype.
12538 * tree-vrp.c (remove_range_assertions): Add new argument to
12540 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12541 * tree-complex.c (expand_complex_div_wide): Likewise.
12542 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12543 * tree-tailcall.c (eliminate_tailcall): Likewise.
12544 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12545 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12546 * tree-nrv.c (tree_nrv): Likewise.
12547 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12548 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12549 (combine_blocks): Likewise.
12550 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12551 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12552 (cleanup_control_flow): Likewise.
12553 (remove_forwarder_block): Likewise.
12554 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12555 * tree-sra.c (sra_replace): Likewise.
12556 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12557 (forward_propagate_single_use_vars): Likewise.
12558 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12559 * tree-inline.c (expand_call_inline): Likewise.
12560 * tree-vect-transform.c (vect_transform_loop): Likewise.
12561 * tree-outof-ssa.c (rewrite_trees): Likewise.
12562 * tree-cfg.c (make_goto_expr_edges): Likewise.
12563 (cleanup_dead_labels): Likewise.
12564 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12565 (bsi_move_before, bsi_move_after): Likewise.
12566 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12567 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12569 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12572 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12574 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12575 on non gimple variables. Also add checks at the top for decls and
12577 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12579 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12580 and IMAGPART_EXPR for creating MUST_DEFs.
12581 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12582 and NAME_MEMORY_TAG separately from the DECLs.
12584 2006-01-06 Richard Guenther <rguenther@suse.de>
12586 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12587 annotation, if necessary.
12588 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12589 redundant calls to update_stmt.
12590 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12593 2006-01-05 Richard Henderson <rth@redhat.com>
12595 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12597 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12599 * c-typeck.c: Update copyright date.
12601 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12603 * c-typeck.c (build_c_cast): Always warn when casting
12604 from a pointer to an integer of different size, even if
12605 the node was constant.
12607 2006-01-05 Richard Guenther <rguenther@suse.de>
12609 PR tree-optimization/22555
12610 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12611 if one structure field is an array.
12612 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12613 operands even if we found a subvar, but ignore VOPs in this
12615 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12617 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12619 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12621 PR middle-end/24998
12622 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12624 2006-01-05 Richard Guenther <rguenther@suse.de>
12625 Diego Novillo <dnovillo@redhat.com>
12627 * tree-pass.h (TODO_remove_unused_locals): Define.
12628 * gimple-low.c (expand_var_p, remove_useless_vars,
12629 pass_remove_useless_vars): Remove. Update all users.
12630 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12631 (remove_unused_locals): New function.
12632 * tree-flow.h (remove_unused_locals): Declare.
12633 * passes.c (execute_todo): Call remove_unused_locals if
12634 TODO_remove_unused_locals is set.
12635 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12636 * tree-ssa-dce.c (pass_dce): Likewise.
12637 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12639 2006-01-05 Richard Guenther <rguenther@suse.de>
12641 * tree-flow.h (struct fieldoff): Decompose field to
12642 type, size and decl.
12643 * tree-ssa-alias.c (create_sft): Take type as parameter.
12644 (create_overlap_variables_for): Store type, size and decl
12645 in the fieldoff structure.
12646 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12647 of struct fieldoff.
12648 (push_fields_onto_fieldstack): Likewise.
12649 (create_variable_info_for): Likewise. Use offset for the
12650 SFT name if the decl is not available.
12652 2006-01-04 Paul Brook <paul@codesourcery.com>
12654 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12656 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12658 * lambda-code.c (can_put_in_inner_loop): Relax
12660 (can_put_after_inner_loop): New function.
12661 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12662 (perfect_nestify): Change to make copies and modify uses.
12664 2006-01-04 Richard Henderson <rth@redhat.com>
12666 Merge from gomp branch:
12667 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12668 via integer constant.
12669 (pragma_lex): Remove.
12670 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12671 rather than parsing it.
12672 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12673 handle_pragma_extern_prefix): Add %< %> quotes.
12674 (registered_pragmas): New.
12675 (c_register_pragma_1): New.
12676 (c_register_pragma): Use it.
12677 (c_register_pragma_with_expansion): Likewise.
12678 (c_invoke_pragma_handler): New.
12679 (init_pragma): Use cpp_register_deferred_pragma directly for
12681 * c-pragma.h (enum pragma_kind): New.
12682 (pragma_handler): New.
12683 (c_invoke_pragma_handler): Declare.
12684 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12686 * c-common.h (c_common_pch_pragma): Update decl.
12687 * Makefile.in (c-parser.o): Update dependencies.
12688 (GTFILES): Add c-pragma.h.
12689 * c-parser.c (struct c_token): Add pragma_kind.
12690 (struct c_parser): Add in_pragma.
12691 (c_lex_one_token): Always initialize keyword and pragma_kind.
12692 Extract data for CPP_PRAGMA.
12693 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12694 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12695 Don't allow CPP_PRAGMA_EOL if in_pragma.
12696 (c_parser_consume_pragma): New.
12697 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12698 (c_parser_skip_to_end_of_parameter): Likewise.
12699 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12700 (c_parser_skip_to_pragma_eol): New.
12701 (c_parser_external_declaration): Handle CPP_PRAGMA.
12702 (c_parser_compound_statement_nostart): Likewise.
12703 (c_parser_statement_after_labels): Likewise.
12704 (c_parser_pragma): New.
12705 (pragma_lex): Likewise.
12706 (c_parser_pragma_pch_preprocess): New.
12707 (c_parser_new): Merge into ...
12708 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12710 2006-01-04 Jeff Law <law@redhat.com>
12713 * tree-cfg.c (bsi_replace): Remove the original statement
12714 from the EH throw statement table.
12716 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12718 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12719 make the prototype extern "C" and add throw ().
12722 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12723 and pos non-negative and pos + len <= 32.
12724 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12725 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12726 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12729 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12730 as well as sizes not multiple of component size.
12733 * function.c (instantiate_expr): New function.
12734 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12735 walk its DECL_VALUE_EXPR with instantiate_expr.
12737 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12738 DW_OP_deref{,_size} if address isn't going to be added.
12740 2006-01-04 Ben Elliston <bje@au.ibm.com>
12742 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12743 * config/fp-bit.c: Likewise.
12745 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12747 * dominance.c: Add comment about why we use DFS numbering
12750 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12751 Richard Henderson <rth@redhat.com>
12753 Merge from gomp-branch:
12754 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12755 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12757 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12759 PR rtl-optimization/25578
12760 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12761 pass a parameter to simplify_shift_const if changing ASHIFTRT
12764 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12766 * builtins.c (get_builtin_sync_mem): New function.
12767 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12768 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12769 Call get_builtin_sync_mem to generate mem rtx.
12771 2006-01-03 Richard Guenther <rguenther@suse.de>
12774 * stmt.c (add_case_node): Make sure to clear overflow flags
12777 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12779 Merge from gomp-branch.
12780 * config/sparc/sync.md: New file.
12781 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12782 UNSPECV_LDSTUB): New constants.
12783 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12784 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12785 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12788 2006-01-03 Roger Sayle <roger@eyesopen.com>
12790 * combine.c (reg_subword_p): New predicate to test whether the
12791 destination of a set refers to a subword/piece of a register.
12792 (try_combine): Generalize the code to merge the setting of a
12793 pseudo to a constant followed by a set of a subword of that
12794 register to a constant.
12796 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12798 * basic-block.h (control_flow_graph): Change the type of
12799 x_label_to_block_map to VEC(basic_block,gc) *.
12800 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12801 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12803 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12804 VEC(basic_block,heap) *.
12805 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12806 ssa_prop_fini): Adjust the uses of cfg_blocks.
12808 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12810 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12812 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12813 hashing trees instead of a pointer hash.
12814 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12815 compare for MEM_EXPR.
12817 PR rtl-optimization/25130
12818 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12819 when comparing MEMs for GCSE
12821 2006-01-03 Ben Elliston <bje@au.ibm.com>
12823 * targhooks.h (default_decimal_float_supported_p): Declare.
12824 * targhooks.c (default_decimal_float_supported_p): Define.
12825 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12826 `default_decimal_float_supported_p'.
12827 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12829 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12831 * combine.c (apply_distributive_law <SUBREG>): Check
12832 TRULY_NOOP_TRUNCATION.
12834 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12836 * dwarf2out.c (have_switched_text_section): Delete.
12837 (have_multiple_function_sections): New.
12838 (have_location_lists): Make 'bool'.
12839 (add_AT_loc_list): Use 'true' not '1'.
12840 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12841 (output_loc_list): Use have_multiple_function_sections.
12842 (output_ranges): Likewise.
12843 (dwarf2out_begin_function): Set have_multiple_function_sections if
12845 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12846 Check function_section rather than DECL_SECTION_NAME.
12847 (dwarf2out_finish): Use have_multiple_function_sections.
12848 Don't clear have_location_lists.
12850 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12851 Jan Hubicka <jh@suse.cz>
12853 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12854 case of conditional jump jumping to the next instruction.
12855 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12856 cases of conditional jump jumping to the next instruction.
12858 2006-01-02 Jan Hubicka <jh@suse.cz>
12860 * i386.c (*_cost): Add COSTS_N_INSNS.
12861 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12863 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12866 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12868 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12870 * config/arm/arm.c (all_fpus): Fix comment typo.
12871 * config/darwin.c: Likewise.
12872 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12873 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12874 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12876 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12878 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12879 (rs6000_split_compare_and_swapqhi): New.
12880 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12881 (sync_compare_and_swapqhi_internal): New.
12882 * config/rs6000/rs6000-protos.h: Declare.