1 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6 2006-07-05 Richard Guenther <rguenther@suse.de>
9 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10 TARGET_SSE2 targets if using SSE math.
11 (*absdf2_1): Likewise.
13 2006-07-05 Richard Guenther <rguenther@suse.de>
15 PR tree-optimization/28162
16 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
17 make sure to convert the operands to the correct type.
19 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
21 PR tree-optimization/28218
23 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
24 to calculate and free the dominator information.
26 2006-07-04 Peter O'Gorman <peter@pogma.com>
28 * mklibgcc.in: chmod 644 before ranlib during install.
30 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
31 J"orn Rennecke <joern.rennecke@st.com>
33 * configure.ac (.eh_frame data check): Use diff -b.
35 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
38 * Makefile.in (BUILD_RTL): Add build/vec.o.
39 (build/gencondmd.o): Filter out -fkeep-inline-functions.
40 (build/genextract): Delete.
41 (build/genautomata): Likewise.
43 2006-07-04 Alan Modra <amodra@bigpond.net.au>
46 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
47 128-bit IBM long doubles for ABI_V4.
49 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
51 * tree.c (range_in_array_bounds_p): New predicate.
52 * tree.h (range_in_array_bounds_p): Declare it.
53 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
54 return a less conservative answer.
55 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
57 (IS_ELEMENT_FOR_GROUP): New macro.
58 (FOR_EACH_ACTUAL_CHILD): Likewise.
59 (next_child_for_group): New helper function.
60 (can_completely_scalarize_p): Take into account groups.
61 (sra_hash_tree): Handle RANGE_EXPR.
62 (sra_elt_eq): Likewise.
63 (lookup_element): Be prepared for handling groups.
64 (is_valid_const_index): Delete.
65 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
66 instead of is_valid_const_index.
67 <ARRAY_RANGE_REF>: New case.
68 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
70 <ARRAY_RANGE_REF>: Do not unconditionally punt.
71 (scan_dump): Dump info for groups too.
72 (decide_instantiation_1): Likewise.
73 (decide_block_copy): Assert that the element is not a group.
74 Propagate decision to groups.
75 (generate_one_element_ref): Handle RANGE_EXPR.
76 (mark_no_warning): Iterate over actual childs.
77 (generate_copy_inout): Likewise.
78 (generate_element_copy): Likewise.
79 (generate_element_zero): Likewise.
80 (generate_element_init_1): Likewise.
81 (dump_sra_elt_name): Handle RANGE_EXPR.
83 2006-07-03 Roger Sayle <roger@eyesopen.com>
85 PR tree-optimization/26251
86 * tree-ssa-threadupdate.c (redirection_block_p): New function.
87 (thread_block): When optimizing for size refuse to thread jumps
88 that would require duplication of blocks other than redirection
91 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
93 * configure.ac: Fix thinko in previous check-in.
94 * configure: Regenerate.
96 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
99 * configure.ac (for lang...): Simplify nesting of conditionals.
100 Test subdir_requires for non-enabled languages. Move processing
101 of lang_opt_files and lang_tree_fiels below that test.
102 * configure: Regenerate.
103 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
105 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
107 * doc/gcov.texi (Invoking Gcov): Add a missing word.
109 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
111 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
114 2006-06-29 Jason Merrill <jason@redhat.com>
121 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
122 * c-common.c (c_determine_visibility): Handle it here.
123 * c-decl.c (finish_decl): Call c_determine_visibility for
125 * flags.h (enum symbol_visibility): Sort from most to least visibility.
127 * varasm.c (default_assemble_visibility): Likewise.
128 * c-common.c (handle_visibility_attribute): Complain about trying
129 to give visibility to an already defined class, or trying to change
130 declared visibility. Always attach the attribute.
135 * attribs.c (decl_attributes): Ignore type-in-place attributes
136 once the type has been defined.
138 2006-06-29 Roger Sayle <roger@eyesopen.com>
141 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
142 to indicate the cpplib has issued an error message for us.
144 2006-06-29 Asher Langton <langton2@llnl.gov>
147 * config/i386/i386.c (ix86_output_function_epilogue): Don't
148 insert a label at the end of an function under Mach-O.
150 2006-06-29 Eric Christopher <echristo@apple.com>
151 Evan Cheng <evan.cheng@apple.com>
153 * predicates.md (vector_all_ones_operand): New.
154 (nonimmediate_or_sse_const_operand): Ditto.
155 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
156 * config/i386/i386.c (standard_sse_constant_opcode): Define.
157 (standard_sse_mode_p): Ditto.
158 (standard_sse_constant_p): Add case for -1 vector.
159 (ix86_expand_vector_move): Try to use.
160 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
161 Call standard_sse_constant_opcode.
162 (*movv4sf_internal): Ditto.
163 (*movv2df_internal): Ditto.
165 2006-06-29 Roger Sayle <roger@eyesopen.com>
167 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
168 of XEXP to extract the operands of a MATCH_CODE rtx.
170 2006-06-28 Andrew Pinski <pinskia@gmail.com>
172 * tree.c (tree_size): Do not waste tail padding in
173 struct tree_string and make the size be the same as
174 build_string will generate.
176 2006-06-28 Jason Merrill <jason@redhat.com>
179 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
180 may_aliases already in the tag's annotations to the bitmap.
182 2006-06-28 Roger Sayle <roger@eyesopen.com>
184 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
186 2006-06-28 Roger Sayle <roger@eyesopen.com>
188 * genpreds.c (generate_switch_p): New function.
189 (add_mode_tests): Push the new mode test down inside an AND expr
190 if this allows the switch-suitable MATCH_CODE to be near the root.
191 (write_match_code_switch): New function to write a MATCH_CODE as
193 (write_predicate_stmts): New function to write a predicate RTX
194 expression as a sequence of statements.
195 (write_one_predicate_function): Use write_predicate_stmts.
196 (write_tm_constrs_h): Likewise.
198 2006-06-26 Fred Fish <fnf@specifix.com>
200 * config/mips/t-sb1: New file.
201 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
204 2006-06-26 DJ Delorie <dj@redhat.com>
206 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
208 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
209 Jayant Sonar <jayants@kpitcummins.com>
210 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
212 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
213 (subsi3, subsi3_1, subsi3_2): New.
214 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
215 * config/m32c/mov.md (SI mov peephole): New.
216 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
217 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
219 2006-06-26 Olivier Hainque <hainque@adacore.com>
221 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
222 a CALL_EXPR target function declaration.
224 2006-06-26 Richard Guenther <rguenther@suse.de>
226 * tree.c (build_string): Do not waste tail padding in
229 2006-06-26 Richard Guenther <rguenther@suse.de>
231 * ggc-page.c (init_ggc): Add missing element to size_lookup
235 2006-06-23 Richard Guenther <rguenther@suse.de>
237 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
238 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
239 alignment requests instead. Add verification code.
240 Add struct tree_function_decl and struct tree_binfo size to
241 extra_order_size_table. Add missing element to size_lookup
244 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
247 * fold-const.c (const_binop): Be prepared for self returning zero.
248 Simplify code handling complex values.
250 2006-06-24 Olivier Hainque <hainque@adacore.com>
252 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
253 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
256 2006-06-24 Olivier Hainque <hainque@adacore.com>
258 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
259 ARRAY_REF, so have the callback called for the low bound expression.
261 2006-06-23 Janis Johnson <janis187@us.ibm.com>
263 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
264 * c-typeck.c (c_common_type): Disallow operations on decimal float
265 types and other float types.
266 * convert.c (convert_to_real): Don't ignore conversions involving
269 2006-06-23 Olivier Hainque <hainque@adacore.com>
271 * tree.c (max_int_size_in_bytes): New function, inspired from
272 code in function.c:assign_temp.
273 * tree.h (max_int_size_in_bytes): Declare.
274 * function.c (assign_temp): Use it.
275 * gimplify.c (create_tmp_var): Relax the assertions on the type
276 properties, not mandating constant size any more.
277 (force_constant_size): New static function.
278 (gimple_add_tmp_var): Use it, forcing variable size to a
279 constant upper bound if it is not constant on entry.
281 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
284 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
285 for initialization and setting of one_only flag to ...
286 (i386_pe_encode_section_info): ...here.
287 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
288 Recheck that the symbol has not been defined.
290 2006-06-23 Richard Guenther <rguenther@suse.de>
292 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
293 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
294 alignment requests instead. Add verification code.
295 Add struct tree_function_decl and struct tree_binfo size to
296 extra_order_size_table. Add missing element to size_lookup
299 2006-06-22 Roger Sayle <roger@eyesopen.com>
300 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
303 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
304 call to lang_hooks.types.type_for_mode returned NULL_TREE.
306 2006-06-23 Ben Elliston <bje@au.ibm.com>
308 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
309 negate dn -- manipulate it directly.
311 2006-06-22 Roger Sayle <roger@eyesopen.com>
312 Steven Bosscher <stevenb.gcc@gmail.com>
315 * reload1.c (gen_reload): Call mark_jump_label on the new insns
316 generated by gen_move_insn to add REG_LABEL notes if necessary.
318 2006-06-22 Bob Wilson <bob.wilson@acm.org>
320 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
321 (leaf_entry): Remove use of MIN_ESA.
323 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
325 PR rtl-optimization/28121
326 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
329 2006-06-21 DJ Delorie <dj@redhat.com>
331 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
333 (mulhisi3_r): Likewise.
335 2006-06-21 Richard Sandiford <richard@codesourcery.com>
338 * coverage.c (coverage_counter_alloc): Leave the index type
340 (coverage_counter_alloc): Use null arguments for operands 2 and 3
343 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
345 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
346 section from the "Options for Code Generation Conventions".
348 2006-06-21 Richard Henderson <rth@redhat.com>
352 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
354 (global_symbolic_operand): Allow weak symbols, even if local_p.
356 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
358 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
359 (find_interesting_uses_address): Punt if above function returns true.
361 2006-06-21 Richard Guenther <rguenther@suse.de>
363 * configure: Regenerated.
365 2006-06-21 Joseph Myers <joseph@codesourcery.com>
367 * config/mips/mips.c (function_arg): Where one part of a
368 complex argument is in registers and the other part in the stack,
369 return a REG not a PARALLEL.
371 2006-06-21 Mark Mitchell <mark@codesourcery.com>
373 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
374 when cross-compiling. Do not substitute libstdcxx_incdir.
375 * configure: Regenerated.
377 2006-06-21 Jakub Jelinek <jakub@redhat.com>
379 * varasm.c (mergeable_string_section): Check for embedded NULs and
380 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
381 rather than TREE_STRING_LENGTH bytes.
383 2006-06-21 Richard Guenther <rguenther@suse.de>
385 * ggc-page.c (extra_order_size_table): Add var_ann_d,
386 tree_ssa_name, bitmap_element and phi_node with 4 arguments
389 2006-06-21 Richrad Guenther <rguenther@suse.de>
391 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
392 Limit iteration over the dominators.
394 2006-06-20 Roger Sayle <roger@eyesopen.com>
396 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
397 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
399 2006-06-20 Richard Guenther <rguenther@suse.de>
400 Michael Matz <matz@suse.de>
402 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
404 * alloc-pool.c (free_alloc_pool_if_empty): New function.
405 * et-forest.h (et_free_pools): Prototype new function.
406 * et-forest.c (et_free_tree_force): Free parent occurrence.
407 (et_free_pools): New function.
408 * dominance.c (free_dominance_info): Free et-forest alloc
411 2006-06-20 Roger Sayle <roger@eyesopen.com>
413 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
414 integer modes, attempt to directly construct an integer constant.
416 * fold-const.c (native_encode_vector): Determine the size of each
417 element from the vector type instead of the first vector element.
419 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
420 if all of its elements/components are constant.
421 (build_constructor_from_list): Likewise.
423 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
425 PR tree-optimization/27331
426 * tree-data-ref.c (free_data_ref): New function.
427 (create_data_ref): Fail if the data reference has unknown access
429 (free_data_refs): Use free_data_ref.
431 2006-06-19 Andrew Pinski <pinskia@gmail.com>
434 * tree-inline.c (setup_one_parameter): Strip useless
435 type conversion before adding it to the IR.
436 (declare_return_variable): Likewise.
438 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
441 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
443 2006-06-19 Mike Stump <mrs@apple.com>
445 * tree.c (variably_modified_type_p): VM arguments don't make the
448 2006-06-19 Richard Guenther <rguenther@suse.de>
450 * tree-ssa-pre.c (try_combine_conversion): Strip useless
451 type conversions after folding.
453 2006-06-19 Richard Guenther <rguenther@suse.de>
455 * ggc-page.c (extra_order_size_tab): Add entries with
456 size of struct function and basic_block.
457 (size_lookup): Extend to cover sizes up to 511.
458 (ggc_alloc_stat): Adjust user.
459 (ggc_pch_count_object): Likewise.
460 (ggc_pch_alloc_object): Likewise.
461 (ggc_pch_write_object): Likewise.
463 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
465 * tree-ssa-loop-niter.c (implies_ge_p): New function.
466 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
469 2006-06-19 Denis Chertykov <denisc@overta.ru>
471 * config/avr/libgcc.S : Correct my wrong previous commit.
473 2006-06-19 Roger Sayle <roger@eyesopen.com>
476 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
477 have stripped a SUBREG from the shift count, so we may need to
478 convert_to_mode back to the type's mode before calling make_tree.
479 Use new_amount instead of amount to avoid expanding a tree twice.
481 2006-06-19 Richard Guenther <rguenther@suse.de>
484 * fold-const.c (operand_equal_p): Check if the argument types
485 have the same precision before stripping NOPs.
487 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
489 Fix PR tree-optimization/27341
490 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
492 * tree-complex.c (pass_lower_complex): Update SMT usage.
494 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
496 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
497 Add a new alternative to the constraint strings. Add move of
498 operand 1 to 3 to the splitter definition.
499 ("doloop_si_long"): Second contraint alternative removed.
501 2006-06-08 Anatoly Sokolov <aesok@post.ru>
503 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
504 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
506 (AVR_HAVE_MOVW) Define.
507 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
508 (ASM_SPEC): Add avr25.
509 (LINK_SPEC): Add avr25.
510 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
511 (base_arch_s): Add new member 'have_movw_lpmx'.
512 (avr_arch_types): Init 'have_movw_lpmx'.
513 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
514 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
515 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
516 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
517 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
519 (avr_file_start): Do not output '.arh' derective.
520 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
521 (__do_copy_data): Use __AVR_HAVE_LPMX__.
522 * config/avr/avr.md (mcu_enhanced): Delete.
523 (mcu_have_movw): Define.
524 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
525 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
526 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
527 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
528 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
529 attiny861 and at86rf401 devices.
531 2006-06-18 Jie Zhang <jie.zhang@analog.com>
533 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
536 2006-06-17 Karl Berry <karl@gnu.org>
538 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
539 doc/gccint.texi, doc/install.texi (@dircategory): Use
540 "Software development" instead of "Programming", following
541 the Free Software Directory.
543 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
545 * config/i386/i386.c (legitimate_tls_address)
546 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
547 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
548 (*tls_dynamic_gnu2_combine_64): Likewise.
550 2006-06-16 Richard Guenther <rguenther@suse.de>
553 * fold-const.c (negate_expr_p): Do not introduce undefined
554 overflow in negating INTEGER_CSTs.
555 (fold_negate_expr): Rename from negate_expr. Revert last
556 change for folding BIT_NOT_EXPR. Change semantics to
557 return NULL_TREE for non-simplified negations. Do not
558 strip type conversions and unify type handling.
559 (negate_expr): New function, wrap around fold_negate_expr
560 but ensure building a tree always. Strip type conversions
561 here, fold to result type.
562 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
564 2006-06-16 Roger Sayle <roger@eyesopen.com>
567 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
568 that (would) return their results in stack registers.
570 2006-06-16 Michael Matz <matz@suse.de>
571 Richard Guenther <rguenther@suse.de>
573 * fold-const.c (fold_truthop): Only return new tree node if
574 we canonicalized something.
576 2006-06-16 Richard Guenther <rguenther@suse.de>
578 * function.h (enum function_frequency): Move declaration
579 out of struct function.
580 (struct function): Move bool fields and the enum to the bitfield
581 section. Reorder elements to avoid padding. Remove unused
582 fields left over from the RTL inliner removal.
583 * function.c (free_after_compilation): Do not zero removed fields.
584 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
585 (ipa-type-escape.o): Likewise.
587 2006-06-16 Richard Guenther <rguenther@suse.de>
589 * cgraph.h (struct cgraph_local_info): Turn bool elements
591 (struct cgraph_node): Likewise.
592 (struct cgraph_varpool_node): Likewise.
594 2006-06-15 Richard Guenther <rguenther@suse.de>
596 * fold-const.c (fold_truth_not_expr): Rename from
597 invert_truthvalue. Give it fold_* semantics to avoid
599 (invert_truthvalue): New function. Wrapper around
601 (optimize_minmax_comparison): Avoid creating garbage.
602 (fold_unary): Use fold_truth_not_expr for folding
604 (fold_ternary): Replace uses of invert_truthvalue with
605 fold_truth_not_expr where applicable.
606 * tree.h (fold_truth_not_expr): Prototype.
608 2006-06-16 Richard Guenther <rguenther@suse.de>
610 PR tree-optimization/27781
611 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
612 * ipa-pure-const.c (target.h): Include.
613 (analyze_function): Do not analyze functions that do not
616 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
619 * tree-dfa.c (referenced_vars_dup_list): Remove.
620 (find_referenced_vars): Remove assert.
621 (referenced_var_check_and_insert): Replace dup list with assert.
622 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
623 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
625 2006-06-15 Richard Guenther <rguenther@suse.de>
627 * tree-ssa-structalias.c (alias_get_name): Avoid creating
628 extra unused identifiers if not dumping.
629 (create_variable_info_for): Likewise.
631 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
633 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
634 (derive_constant_upper_bound): Derive more precise upper bound in
635 common cases. Return type changed to double_int.
636 (record_estimate): Reflect the changed return type of
637 derive_constant_upper_bound.
638 * double-int.c (double_int_zext, double_int_sext): Fix.
640 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
642 * configure.ac (CFLAGS): Get them from the toplevel or from the
643 configure invocation.
644 * configure: Regenerate.
645 * Makefile.in (CFLAGS): Substitute value provided by configure.
647 2006-06-14 Mark Mitchell <mark@codesourcery.com>
650 * c-common.h (c_finish_omp_atomic): Adjust declaration.
651 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
652 rather than calling add_stmt on it.
653 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
655 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
658 * reload1.c (reload): Remove registers returned by update_eliminables
659 from used_spill_regs.
661 2006-06-13 DJ Delorie <dj@redhat.com>
663 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
665 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
667 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
668 html__strip_dir, html__mkdir_p. Enhance install-html target.
669 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
670 * configure: Regenerate.
672 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
674 * fold-const.c (fold_cond_expr_with_comparison): Check for
675 Objective-C++ as language in deciding COND_EXPR transformation.
677 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
680 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
681 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
682 * config/sh/lib1funcs.h (SL, SL1): Define.
683 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
684 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
685 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
686 (OBJS_Os_4_200): New variable.
687 ($(T)libgcc-Os-4-200.a): Use it.
688 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
689 when dividing 1 and/or by 0.
691 2006-06-13 Roger Sayle <roger@eyesopen.com>
693 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
694 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
695 * configure: Regenerate.
697 2006-06-13 Jie Zhang <jie.zhang@analog.com>
699 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
700 for real instruction.
702 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
705 * haifa-sched.c (check_cfg): Handle special case.
707 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
710 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
711 Add debug_info parameter. Chain the vars to the BLOCK instead
712 of the BIND_EXPR if debug info are requested for them.
713 (pop_gimplify_context): Adjust for above change.
714 (gimple_add_tmp_var): Likewise.
715 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
717 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
718 (convert_local_reference): Likewise.
719 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
720 (finalize_nesting_tree_1): Request that debug info be emitted
723 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
725 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
728 2006-06-13 Richard Guenther <rguenther@suse.de>
731 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
733 2006-06-13 Richard Guenther <rguenther@suse.de>
735 PR tree-optimization/27830
736 * tree-inline.c (copy_body_r): For copying the operand
737 of an ADDR_EXPR make sure to fold &* afterwards.
739 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
741 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
742 lvalues in the fb_none case with side-effects.
744 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
746 * tree-flow.h: Remove the prototype for
747 compute_phi_arg_on_exit.
748 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
749 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
752 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
754 * builtins.c (expand_builtin_return_addr): Only use
755 frame_pointer_rtx when count == 0 and we are expanding
756 __builtin_return_address.
758 2006-06-12 Fred Fish <fnf@specifix.com>
760 * config/mips/mips.c (mips_file_start): Create special section
761 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
763 2006-06-11 Eric Christopher <echristo@apple.com>
766 * stor-layout.c (place_field): Remove check for
767 remaining_in_alignment when aligning at the end of a run.
769 2006-06-11 Eric Christopher <echristo@apple.com>
772 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
775 2006-06-11 Roger Sayle <roger@eyesopen.com>
778 Revert incorrect fix for PR target/27158
779 2006-05-08 Roger Sayle <roger@eyesopen.com>
780 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
781 of a reg_equiv_constant if the result is a legitimate constant.
783 2006-06-11 Roger Sayle <roger@eyesopen.com>
786 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
787 extract a CONST_VECTOR element and interpret it as an integer.
788 (vspltis_constant): Use const_vector_elt_as_int instead of the
789 macro CONST_VECTOR_ELT in order to handle FP vector modes.
790 * config/rs6000/predicates.md (easy_vector_const): Consider
791 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
793 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
796 * stor-layout.c (update_alignment_for_field): Don't add extra
797 alignment for packed non-bitfield fields in ms_bitfield_layout_p
800 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
802 * config/mips/t-rtems: Add EL/EB multilib variants.
804 2006-06-09 Mike Stump <mrs@apple.com>
806 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
808 2006-06-09 David Daney <ddaney@avtrex.com>
810 * doc/install.texi: Add binutils version recommendation for mips-*-*.
812 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
814 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
816 2006-06-09 Richard Guenther <rguenther@suse.de>
818 PR tree-optimization/26998
819 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
820 of signed types, only TYPE_MIN_VALUE is special, but for both,
821 minimum and maximum value. Likewise VR_ANTI_RANGE is special
822 in this case, as is -fwrapv.
824 2006-06-08 Mike Stump <mrs@apple.com>
827 * config/darwin.c (darwin_asm_output_anchor): Disable
828 -fsection-anchors on darwin for now.
829 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
830 * rs6000/rs6000.c (optimization_options): Likewise.
832 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
835 * config/i386/i386.c (classify_argument): Skip fields with invalid
838 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
840 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
841 (cse_insn): Likewise for the stack_pointer_rtx.
843 2006-06-08 Roger Sayle <roger@eyesopen.com>
845 * tree-ssa-dom.c (record_conditions): Only record "unordered"
846 conditions from floating point comparisons.
848 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
851 * expmed.c (struct alg_hash_entry): Fix type of field T
852 to match synth_mult argument.
853 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
855 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
858 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
861 2006-06-08 Richard Guenther <rguenther@suse.de>
864 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
865 only, if overflow is defined and not trapping.
866 (negate_expr): Likewise.
868 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
870 PR tree-optimization/27872
871 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
872 flag on the new exit edge of the unrolled loop.
874 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
876 PR rtl-optimization/26449
877 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
879 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
882 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
883 referenced_variables with matching DECL_UID's.
884 (find_referenced_vars): Make sure duplicate list is empty to start.
885 (referenced_var_p): Remove.
886 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
887 Check if var is in the list, and add if needed. Update the duplicate
888 list if a different var is in the list with the same DECL_UID.
889 (add_referenced_var): Call routine to check and insert.
890 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
891 * tree-flow.h (referenced_vars_dup_list): External declaration.
893 2006-06-07 Fred Fish <fnf@specifix.com>
895 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
898 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
901 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
902 the imaginary and real parts of a clobbered register.
903 Emit insn to set the imaginary part.
905 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
907 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
908 in lieu of unwind-dw2-fde.c.
910 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
912 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
914 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
917 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
918 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
919 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
920 V4SImode temporaries and operations instead.
922 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
924 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
927 2006-06-06 Mike Stump <mrs@apple.com>
929 * Makefile.in: Rename to htmldir to build_htmldir to avoid
930 installing during build.
932 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
934 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
936 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
937 * config/ia64/ia64.c (params.h): New header.
938 (ia64_optimization_options): New function to adjust parameters.
939 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
940 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
941 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
943 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
945 * stor-layout.c (debug_rli): Fix a typo in a debug message.
947 2006-06-05 Steve Ellcey <sje@cup.hp.com>
950 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
952 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
953 Victor Kaplansky <victork@il.ibm.com>
955 PR tree-optimization/26360
956 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
959 2006-06-04 Roger Sayle <roger@eyesopen.com>
960 Andrew Pinski <pinskia@physics.uc.edu>
963 * c-common.c (c_common_truthvalue_conversion): Explicitly check
964 for LABEL_DECL before calling DECL_WEAK.
967 * c-typeck.c (build_binary_op): Likewise, explicitly check for
968 LABEL_DECL and PARM_DECL.
970 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
974 * c-decl.c (grokdeclarator): Disallow variably modified types at
975 file scope. Avoid marking shared array type of constant size as
978 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
981 * c-common.c (fold_offsetof_1): Handle static members.
983 2006-06-04 Eric Christopher <echristo@apple.com>
985 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
986 (debug_rli): Output value for remaining_in_alignment.
987 (update_alignment_for_field): Unconditionalize
988 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
989 extra alignment code.
990 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
991 ms_bitfield_layout_p code. Rewrite handling of structure fields.
992 * tree.h (record_layout_info_s): Remove prev_packed.
993 * doc/extend.texi (ms_struct): Add documentation of format.
995 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
997 * tree.h: Declare folding_initializer.
998 * builtins.c (fold_builtin_constant_p): Give definite answer
999 if folding inside an initializer.
1000 * fold-const.c: Define folding_initializer.
1001 (START_FOLD_INIT): Save and then set folding_initializer.
1002 (END_FOLD_INIT): Restore folding_initializer.
1004 2006-06-04 Richard Guenther <rguenther@suse.de>
1006 PR tree-optimization/27039
1007 * fold-const.c (fold_comparison): Handle pointer comparison
1008 again for all comparison codes. Compare offsets in signed
1010 (fold_binary): Move code from here.
1012 2006-06-03 Roger Sayle <roger@eyesopen.com>
1015 * config/i386/i386.c (construct_container): Split static issued_error
1016 flag into issued_sse_arg_error, issued_sse_ret_error and
1017 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1018 requires the use of x87 registers and the user explicitly
1019 specified the -mno-80387 command line option.
1021 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1023 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1024 HAVE_DECL_SIGALTSTACK.
1026 (segv_handler): Use MC_FLD.
1027 * configure.ac: Check for a sigaltstack declaration.
1028 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1029 * configure: Regenerate.
1030 * config.in: Regenerate.
1032 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1035 * Makefile.in (stmp-fixinc): Fix typo.
1037 2006-06-02 Roger Sayle <roger@eyesopen.com>
1039 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1040 are type correct. Clean-up.
1041 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1042 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1044 2006-06-01 DJ Delorie <dj@redhat.com>
1046 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1047 shift, as we've disabled the "switch" insn that needs it.
1049 2006-06-01 Per Bothner <bothner@bothner.com>
1051 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1052 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1053 * c-ppoutput.c (cb_define): Don't increment line 0.
1055 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1057 * doc/invoke.texi: Add cpu_type power6.
1058 * config.gcc: Add cpu_type power6.
1059 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1060 to power5+ with Altivec.
1061 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1062 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1064 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1066 * config/avr/avr.h (SET_ASM_OP): Define.
1068 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1070 * config/bfin/bfin.c: Fix comment typos.
1072 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1075 * doc/install.texi: Document --enable-bootstrap and
1076 --disable-bootstrap.
1078 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1080 * doc/install.texi: Document that InfoZIP can replace jar.
1082 2006-05-31 Roger Sayle <roger@eyesopen.com>
1084 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1085 isn't available, directly generate the simpler x87 patterns without
1086 the (use (const_int 0)).
1087 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1088 implementation isn't available.
1089 (*negdf2_1): Likewise.
1090 (*negxf2_1): XF mode negation is always done using the x87.
1091 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1093 2006-05-31 Roger Sayle <roger@eyesopen.com>
1095 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1096 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1098 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1100 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1102 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1103 * config/bfin/bfin.c (basic-block.h): Include.
1104 (struct machine_function): New.
1105 (bfin_init_machine_status): New.
1106 (override_options): Initialize init_machine_status.
1107 (bfin_hardware_loop): New.
1108 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1109 (DEF_VEC_P (loop_info)): New.
1110 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1111 (struct loop_info): New.
1112 (loop_info): New typedef.
1113 (struct loop_work): New.
1114 (loop_work): New typedef.
1115 (DEF_VEC_O (loop_work)): New.
1116 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1117 (bfin_dump_loops): New.
1118 (bfin_bb_in_loop): New.
1119 (bfin_scan_loop): New.
1120 (bfin_optimize_loop): New.
1121 (bfin_reorg_loops): New.
1122 (bfin_reorg): Use bfin_reorg_loops.
1123 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1125 (I_REGNO_P): Simplify.
1126 (DP_REGNO_P, DPREG_P): New macros.
1127 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1128 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1129 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1130 Add LT_REGS, LC_REGS, LB_REGS.
1131 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1133 (REGNO_REG_CLASS): Deal with loop registers.
1134 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1136 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1137 New constants for loop registers.
1138 (UNSPEC_LSETUP_END): New.
1139 (seq_insns): New define_attr. Set it for appropriate insns.
1140 (movsi_insn): Add alternatives for move from/to
1141 loop count registers.
1142 (doloop_end): New define_expand.
1143 (loop_end): New define_insn.
1144 (define_split for bad doloop_end): New.
1145 (lsetup_with_autoinit): New define_insn.
1146 (lsetup_without_autoinit): New define_insn.
1147 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1148 * config/bfin/predicates.md (lc_register_operand): New.
1149 (lt_register_operand): New.
1150 (lb_register_operand): New.
1151 (nondp_register_operand): New.
1152 (nondp_reg_or_memory_operand): New.
1153 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1155 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1157 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1158 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1160 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1162 * Makefile.in (CATALOGS): Add po/ prefix.
1163 * configure: Regenerated.
1165 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1168 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1169 a shift operand before calling shift_op. Avoid redundant call of
1172 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1173 DJ Delorie <dj@redhat.com>
1175 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1176 we're inserting is a singlt-bit constant.
1178 2006-05-30 Roger Sayle <roger@eyesopen.com>
1180 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1181 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1183 2006-05-30 Roger Sayle <roger@eyesopen.com>
1185 PR tree-optimization/23452
1186 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1187 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1188 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1189 complex values and with -ffast-math for FP complex values.
1191 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1193 * c-common.h: Remove the prototype for yyparse.
1194 * rtl.h: Remove the prototype for init_loop.
1196 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1198 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1201 2006-05-30 Roger Sayle <roger@eyesopen.com>
1203 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1205 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1206 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1208 2006-05-30 Dirk Mueller <dmueller@suse.de>
1211 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1212 for CONSTANT_CLASS_P expresisons.
1214 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1217 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1219 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1221 PR tree-optimization/27779
1222 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1223 initial_condition instead of CHREC_LEFT.
1225 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1227 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1228 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1229 Make prototypes ISO C90.
1231 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1232 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1234 * see.c (see_analyze_one_def): Correct check.
1235 (see_get_extension_data): Check if extension is parallel.
1236 (see_get_extension_reg): Likewise.
1238 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1241 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1242 into register for (code == GTU).
1244 2006-05-29 Roger Sayle <roger@eyesopen.com>
1246 PR tree-optimization/24964
1247 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1248 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1249 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1250 abs(x)*abs(x) as x*x for scalar floating point modes.
1252 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1255 * lambda-code.c (perfect_nestify): Don't copy statements
1256 in the inner loop: move them to the inner loop header.
1258 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1261 * c-tree.texi: Document OpenMP directives and clauses.
1263 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1265 * varasm.c (globalize_decl): Fix indentation.
1267 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1270 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1271 pass_fre, pass_store_ccp, pass_copy_prop,
1272 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1273 pass_return_slot, pass_object_size, pass_lim,
1274 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1275 pass_loop_prefetch and pass_stdarg.
1277 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1279 * config/bfin/bfin.opt (mfdpic): New option.
1280 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1281 (EXTRA_MULTILIB_PARTS): Likewise.
1282 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1283 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1285 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1286 (CRT_CALL_STATIC_FUNCTION): New.
1287 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1289 (CRT_CALL_STATIC_FUNCTION): New.
1290 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1292 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1293 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1294 (initialize_trampoline): Changed to handle FD-PIC code generation.
1295 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1296 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1297 (override_options): Disallow -mid-shared-library -mfdpic combination.
1298 Can't do unaligned ops if FD-PIC.
1299 Turn off flag_pic if trying to generate non-id-shared-library
1300 non-fdpic code, since it's not supported.
1301 (bfin_assemble_integer): New function.
1302 (TARGET_ASM_INTEGER): Define.
1303 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1305 * config/bfin/crtn.s: Restore them.
1306 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1308 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1309 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1310 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1311 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1312 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1314 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1315 FDPIC_REGS and FDPIC_FPTR_REGS.
1316 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1317 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1318 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1319 (load_funcdescsi): New pattern.
1320 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1321 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1322 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1324 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1326 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1329 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1331 * tree-flow.h: Remove the prototype for add_type_alias.
1332 * tree-ssa-alias.c (add_type_alias): Remove.
1334 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1336 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1337 config/fr30/fr30.md, config/i386/i386-interix.h,
1338 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1339 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1340 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1341 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1342 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1343 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1344 Follow spelling conventions.
1345 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1346 Follow spelling conventions.
1348 2006-05-27 Richard Guenther <rguenther@suse.de>
1351 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1352 to produce a constant of value 1 of generic type.
1354 2006-05-27 Dirk Mueller <dmueller@suse.de>
1356 * cgraphunit.c (decide_is_function_needed): Fix wrong
1359 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1361 PR rtl-optimization/27661
1362 * reload.c (find_reloads): When reloading a VOIDmode constant
1363 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1364 use Pmode as mode of the reload register.
1366 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1368 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1369 is enabled at -O and above.
1371 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1374 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1377 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1380 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1381 for anonymous variables explicitly declared by front ends.
1383 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1385 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1386 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1387 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1388 ref-all pointers, run a finalization pass for them.
1389 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1390 (finalize_ref_all_pointers): New function.
1391 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1392 regular pointer type to a ref-all pointer type.
1393 (get_tmt_for): Return the special memory tag for ref-all pointers.
1395 2006-05-25 Richard Guenther <rguenther@suse.de>
1398 * fold-const.c (fold_binary): Do not look at the stripped
1399 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1401 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1403 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1404 for LT and GT if the computed range is effectively empty.
1406 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1409 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1410 mips_quad_format formats instead of ieee_single_format,
1411 ieee_double_format and ieee_quad_format formats, respectively.
1413 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1415 PR tree-optimization/27639
1416 PR tree-optimization/26719
1417 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1418 call to scev_probably_wraps_p.
1419 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1420 used_in_pointer_arithmetic_p, convert_step): Removed.
1421 (nowrap_type_p): New function.
1422 (scev_probably_wraps_p): Rewritten.
1423 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1424 chrec_convert if chrec_convert_aggressive might have been used.
1425 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1426 scev_direction): New functions.
1427 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1428 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1429 instead of convert_step.
1430 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1431 (convert_step): Declaration removed.
1432 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1434 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1436 * df-core.c: Added to header comments.
1437 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1438 df_ur_bb_info, df_urec_bb_info): Added comments.
1439 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1440 urec, ri problems): Fixed header comments.
1441 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1442 code from df_rd_transfer_function.
1444 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1446 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1447 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1448 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1450 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1452 * expr.c (undefined_operand_subword_p): New.
1453 (emit_move_multi_word): Do not generate move from undefined bits
1454 of a paradoxical subreg.
1456 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1458 PR rtl-optimization/27736
1459 * combine.c (replaced_rhs_value): New variable.
1460 (combine_instructions): Set it.
1461 (distribute_notes): When distributing a note in replaced_rhs_insn,
1462 check whether the value was used in replaced_rhs_value.
1464 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1467 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1468 add_referenced_var instead of add_referenced_tmp_var.
1469 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1470 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1472 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1473 tree_optimize_tail_calls_1): Use add_referenced_var.
1474 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1475 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1476 Use add_referenced_var.
1477 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1478 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1479 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1480 Use add_referenced_var.
1481 * tree-dfa.c (struct walk_state): Remove.
1482 (find_referenced_vars): Remove walk state and vars_found hash table.
1483 (make_rename_temp): Use add_referenced_var.
1484 (find_vars_r): Pass less parameters to add_referenced_var.
1485 (referenced_var_p): New. Is var in referenced_var hash table.
1486 (referenced_var_insert): Assert var isn't already in hash table.
1487 (add_referenced_var): Don't need walk_state parameter. Add var if it
1488 isn't already in the hash table.
1489 (add_referenced_tmp_var): Remove.
1490 (find_new_referenced_vars_1): Use add_referenced_var.
1491 * tree-ssa-pre.c (create_expression_by_pieces,
1492 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1493 Use add_referenced_var.
1494 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1495 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1496 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1498 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1499 vect_create_data_ref_ptr, vect_create_destination_var,
1500 vect_init_vector, vect_build_loop_niters,
1501 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1502 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1503 Use add_referenced_var.
1504 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1505 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1506 (add_referenced_var): Add prototype.
1507 * tree-ssa-structalias.c (get_constraint_for,
1508 intra_create_variable_infos): Use add_referenced_var.
1510 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1512 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1513 big-endian paradoxical subregs.
1514 * var-tracking.c (struct micro_operation_def): Document that,
1515 for modify micro operations, insn is the subsequent instruction.
1516 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1517 (var_reg_set, var_mem_set): ... new functions.
1518 (add_stores): Record subsequent insn.
1519 (compute_bb_dataflow): Use new functions for MO_USE.
1520 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1521 notes after the insn, and modify notes before the insn known
1522 to be the subsequent one.
1523 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1525 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1528 * config/i386/i386.c (ix86_expand_builtin): Use
1529 gen_sse3_monitor64 for TARGET_64BIT.
1531 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1533 PR rtl-optimization/26375
1534 PR rtl-optimization/26855
1535 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1537 (df_ru_bb_local_compute): Reversed statements and removed bogus
1538 comment explaining why they should be in wrong order.
1539 (df_ru_dump, df_rd_dump): Enhanced debug info.
1540 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1542 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1543 reaching uses and fixed space problem.
1545 2006-05-23 Jan Hubicka <jh@suse.cz>
1547 * cgraphunit.c (decide_is_function_needed): Also nested functions
1548 and functions declared inline can be optimized out at -O0.
1550 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1552 * doc/install.texi (Configuration): Remove reference to CrossGCC
1556 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1559 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1560 ix86_compare_emitted is non-NULL.
1562 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1565 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1568 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1570 PR rtl-optimization/25514
1571 * combine.c (replaced_rhs_insn): New variable.
1572 (combine_instructions): Set replaced_rhs_insn when trying to replace
1573 a SET_SRC with a REG_EQUAL note.
1574 (distribute_notes): Use replaced_rhs_insn when determining the live
1575 range of a REG_DEAD register.
1577 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1578 Anatoly Sokolov <aesok@post.ru>
1580 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1581 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1582 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1583 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1584 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1585 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1586 at90usb647, at90usb1286 and at90usb1287 devices.
1587 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1588 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1590 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1592 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1594 2006-05-22 Richard Guenther <rguenther@suse.de>
1597 2006-01-31 Richard Guenther <rguenther@suse.de>
1598 Paolo Bonzini <bonzini@gnu.org>
1600 * doc/install.texi (--disable-libgcc-math): Document.
1602 2006-05-22 Richard Guenther <rguenther@suse.de>
1605 2006-01-31 Richard Guenther <rguenther@suse.de>
1607 * doc/invoke.texi (-msselibm): Document.
1608 * target.h (expand_library_builtin): New target hook.
1609 * builtins.c (expand_builtin): Use expand_library_builtin.
1610 (default_expand_library_builtin): New function.
1611 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1612 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1613 (link_gcc_math_spec): Declare.
1614 (static_specs): Add link_gcc_math_spec.
1615 * expr.h (default_expand_library_builtin): Declare.
1616 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1617 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1618 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1619 * config/i386/i386.opt (msselibm): New target option.
1620 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1621 (ix86_init_sse_abi_builtins): New function.
1622 (ix86_expand_library_builtin): Likewise.
1623 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1624 (override_options): Handle error conditions wrt -msselibm.
1625 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1626 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1627 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1630 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1633 * c-common.c (self_promoting_args_p): Skip erroneous args.
1636 * c-decl.c (finish_struct): Skip erroneous fields.
1638 2006-05-22 Nick Clifton <nickc@redhat.com>
1640 * config/cris/cris.opt (march): Remove VarExists attribute.
1641 (max-stackframe=): Likewise.
1643 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1645 * doc/rtl.texi: Fix a typo.
1646 * see.c: Fix comment typos.
1648 * tree-ssa-structalias.h (alias_info): Remove num_references.
1650 2006-05-21 Mike Stump <mrs@apple.com>
1652 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1654 (darwin_pragma_options): Use BAD instead.
1655 (darwin_pragma_unused): Likewise.
1656 (darwin_pragma_ms_struct): Likewise.
1658 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1660 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1662 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1664 PR rtl-optimization/27671
1665 * simplify-rtx.c (simplify_relational_operation_1): Fix
1666 simplifications of (eq/ne (xor x y) y) and
1667 (eq/ne (xor x y) x).
1669 PR tree-optimization/26622.
1670 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1673 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1675 * tree-cfg.c: Prune whitespace.
1676 (debug_tree_cfg): Point to correct header containing the
1679 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1682 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1684 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1687 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1688 or sorry count is non zero.
1690 2006-05-20 Andreas Schwab <schwab@suse.de>
1692 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1694 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1695 Kenneth Zadeck <zadeck@naturalbridge.com>
1697 PR rtl-optimization/26855
1699 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1701 (df_scan_alloc): Added code to properly handle multiword hard
1702 registers and add all_blocks parameter.
1703 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1704 code to properly handle multiword hard registers.
1705 (df_rescan_blocks): Added code to remove deleted blocks from
1707 (df_ref_create_structure, df_ref_record): Added code to properly
1709 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1710 and set DF_REF_PARTIAL.
1711 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1712 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1713 (df_scan_add_problem): Added flags parameter.
1714 (df_ref_create_structure): Changed switching structure.
1715 (df_bb_refs_record): Fixed case where duplicate artificial refs
1716 were created. Changed location of flags.
1717 (df_record_entry_block_defs): Added code to make stack pointer
1718 live in entry block. Refined cases where frame pointer is needed.
1719 Changed location of flags.
1720 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1721 (df_set_state): Removed function.
1722 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1723 df_insn_create_insn_record, df_insn_refs_delete,
1724 df_ref_create_structure): Formatting changes.
1725 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1726 df_delete_basic_block): New function.
1727 (df_init): Changed location of flags.
1728 (df_add_problem): Added flags parameter and the way flags are
1730 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1731 debug_df_chain): Improved debugging output.
1732 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1733 (df_refs_chain_dump): Removed df parameter.
1734 (df_iterative_dataflow): Added consistency check.
1735 (df_prune_to_subcfg): Made public.
1736 (df_analyze_problem): Added blocks_to_init parameter and made
1738 (df_ref_record, df_bb_refs_record, df_mark_reg,
1739 df_record_exit_block_uses): Whitespace changes.
1740 (df_dump): Whitespace changes.
1741 * df.h: Some reordering to remove forward references.
1742 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1743 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1744 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1745 (dataflow.flags): New field.
1746 (df.flag): Deleted field.
1747 (df_alloc_function): Added additional bitmap parameter.
1748 (df_dependent_problem_function): New type.
1749 (df_problem.changeable_flags): New field.
1750 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1751 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1752 (df_mw_hardreg): New struct.
1753 (DF_INSN_UID_MWS): New macro.
1754 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1756 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1757 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1758 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1759 (df_set_state): Removed function.
1760 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1761 * df-problems.c (df_chain_dump): Removed df parameter.
1762 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1763 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1765 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1766 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1767 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1768 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1769 DF_REF_MUST_CLOBBER cases.
1770 (df_ru_bb_local_compute_process_def,
1771 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1772 df_lr_bb_local_compute, df_ur_bb_local_compute,
1773 df_chain_create_bb): Made subreg aware.
1774 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1775 df_lr_bb_local_compute, df_lr_bb_local_compute,
1776 df_chain_create_bb): Cleanup to use proper macros.
1777 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1778 code to fixup bitvectors.
1779 (df_ri_alloc): Cleared lifetime.
1780 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1781 df_create_unused_note): New function.
1782 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1783 REG_DEAD and REG_UNUSED notes as well as register information.
1784 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1785 df_chains_dump): Fixed crash if problem was never run.
1786 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1787 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1788 df_ri_add_problem): Processes flags in uniform manner.
1789 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1790 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1791 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1792 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1793 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1794 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1795 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1796 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1797 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1798 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1799 * see.c (see_initialize_data): Ditto.
1800 * final.c (rest_of_clean_state) Added regstack_completed.
1801 * rtl.h (regstack_completed): Ditto.
1802 * reg-stack.c (regstack_completed): Ditto.
1804 2006-05-19 Mike Stump <mrs@apple.com>
1806 * c-tree.h (default_conversion): Remove.
1807 * c-common.h (default_conversion): Add.
1809 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1811 * tree-vrp.c (valid_value_p): New function.
1812 (adjust_range_with_scev): Fail if the value of bound is not
1815 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1817 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1818 (mips_fallback_frame_state): Use syscall numbers to determine
1819 the appropriate li instruction for the current ABI. Only use
1820 __NR_sigreturn for o32.
1822 2006-05-19 Nicolas Setton <setton@adacore.com>
1824 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1825 * langhooks.c (lhd_dwarf_name): New function.
1826 * langhooks-def.h (lhd_dwarf_name): Declare.
1827 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1828 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1829 * ada/misc.c (gnat_dwarf_name): New function.
1830 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1832 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1834 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1836 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1837 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1838 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1839 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1840 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1841 determine the size of Wtype, etc.
1842 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1843 (swfloatfuncs): New variable.
1844 (dwfloatfuncs): Likewise.
1845 (lib2funcs): Remove floating-point conversion functions from
1846 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1847 the set of conversion routines needed. Allow entries to specify
1848 an object name, filename and word size. Update users accordingly.
1849 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1850 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1854 2006-02-08 Roger Sayle <roger@eyesopen.com>
1857 * config/fixtfdi.c: New libgcc source file.
1858 * config/fixunstfdi.c: New source file.
1859 * config/floatditf.c: New source file.
1860 * config/floatunditf.c: New souce file.
1861 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1862 files above instead of config/mips/_tilib.c.
1863 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1865 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1867 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1868 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1870 2006-05-18 Mike Stump <mrs@apple.com>
1872 Fix up vla, vm and [*] sematics.
1878 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1879 (c_vla_unspec_p): Add.
1880 (c_vla_type_p): Add.
1881 * c-decl.c (struct c_scope): Add had_vla_unspec.
1882 (build_array_declarator): Add support for [*].
1883 (grokdeclarator): Likewise.
1884 (grokparms): Likewise.
1885 (get_parm_info): Likewise.
1886 * c-objc-common.c (c_vla_unspec_p): Likewise.
1887 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1888 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1889 typeof when argument is a variably modified type not inside sizeof or alignof.
1890 (c_parser_direct_declarator_inner): Propagate errors.
1891 (c_parser_sizeof_expression): Add support for [*].
1892 (c_parser_parms_declarator): Initialize had_vla_unspec.
1893 (c_parser_parms_list_declarator): Likewise.
1894 * c-typeck.c (c_vla_type_p): Add.
1895 (composite_type): Add support for vla compositing.
1896 (comptypes_internal): Add support for vla compatibility.
1897 (c_expr_sizeof_expr): Evaluate vla arguments.
1898 * tree.c (variably_modified_type_p): Update comment for [*].
1900 2006-05-18 Michael Matz <matz@suse.de>
1903 * config.host: Make assignments to host_xmake_file cumulative.
1904 * config.host (*-darwin*): Test $host, not $target.
1906 2006-05-12 Stuart Hastings <stuart@apple.com>
1908 * config/i386/i386.opt (-mstackrealign): New flag.
1909 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1910 (ix86_handle_cconv_attribute): Emit error when
1911 force_align_arg_pointer attribute collides with too many regparms.
1912 (ix86_function_regparm): Limit regparms when used with
1913 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1914 Support stack-realigning prologue in non-main functions. Emit
1915 warning for nested functions under -mstackrealign, emit error for
1916 nested functions with force_align_arg_pointer attribute.
1917 * doc/extend.texi (force_align_arg_pointer): Document it.
1918 * doc/invoke.texi (-mstackrealign): Document it.
1920 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1922 PR rtl-optimization/27477
1923 * combine.c (try_combine): Don't split a parallel consisting
1924 of two sets into two individual sets if both sets reference
1927 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1929 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1930 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1932 * doc/options.texi (VarExists): Updated.
1934 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1936 * unwind-dw2.c: Add declarations for uw_update_context and
1938 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1939 detected, advance frame state and context once to skip over stub.
1941 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1945 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1946 Call rewrite_into_loop_closed_ssa only when something changed.
1947 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1948 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1949 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1950 Test for perfect_nest_p here. Fix formating.
1951 (replace_uses_equiv_to_x_with_y): Fix formating.
1952 (stmt_uses_op): Removed.
1953 (can_convert_to_perfect_nest): Removed loopivs parameter.
1954 Complete the test by checking the scalar dependences.
1955 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1958 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1961 From Dan Kegel <dank@kegel.com>:
1962 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1964 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1966 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1967 if the element type is variably modified without recursing.
1969 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1972 * tree-loop-linear.c (try_interchange_loops): Test for
1973 no data dependences.
1975 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1977 PR tree-optimization/27548
1978 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1979 range of ssa names that appear on abnormal edges.
1980 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1981 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1983 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1986 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1988 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1991 * tree.h (OMP_PARALLEL_COMBINED): Define.
1992 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1993 (new_omp_context): Add is_combined_parallel argument.
1994 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1995 new_omp_context caller.
1996 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1997 Adjust gimplify_scan_omp_clauses callers.
1998 (omp_is_private): Issue errors if iteration variable is firstprivate
1999 or reduction in the current context.
2000 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2001 on combined parallel workshare constructs.
2003 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2005 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2006 (gcc-options.o): New rule.
2008 * optc-gen.awk: Protect variables for gcc-options.o with
2009 #ifdef GCC_DRIVER/#endif.
2011 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2013 Fix PR tree-optimization/27373
2014 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2015 (forward_propagate_addr_expr): Update call.
2017 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2019 * doc/options.texi: Move the Negative option.
2021 2006-05-16 Richard Guenther <rguenther@suse.de>
2023 PR tree-optimization/22303
2024 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2026 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2027 ccp_fold did not simplify the statement.
2029 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2032 * Makefile.in (GCC_OBJS): New.
2033 (OBJS-common): Add opts-common.o.
2034 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2035 (cpp$(exeext)): Likewise.
2036 (gcc.o): Also depend on opts.h.
2037 (opts-common.o): New.
2039 * common.opt (gcoff): Add Negative(gdwarf-2).
2040 (gdwarf-2): Add Negative(gstabs).
2041 (gstabs): Add Negative(gstabs+).
2042 (gstabs+): Add Negative(gvms).
2043 (gvms): Add Negative(gxcoff).
2044 (gxcoff): Add Negative(gxcoff+).
2045 (gxcoff+): Add Negative(gcoff).
2046 * config/i386/i386.opt (m32): Add Negative(m64).
2047 (m64): Add Negative(m32).
2049 * doc/options.texi: Document the Negative option.
2051 * gcc.c: Include "opts.h".
2052 (main): Call prune_options after expandargv.
2054 * optc-gen.awk: Generate common declarations for all flag
2055 variables in options.c. Output the neg_index field.
2057 * opts.c (find_opt): Moved to ...
2058 * opts-common.c: Here. New file.
2060 * opts.h (cl_option): Add a neg_index field.
2062 (prune_options): Likewise.
2064 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2067 * omp-low.c (expand_omp_parallel): Don't assert
2068 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2069 instead search for it.
2072 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2075 2006-05-16 Andreas Schwab <schwab@suse.de>
2077 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2080 2006-05-15 Roger Sayle <roger@eyesopen.com>
2083 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2084 integer constants other than zero are only legitimate on TARGET_64BIT.
2085 <CONST_VECTOR> Only zero vectors are legitimate.
2086 (ix86_cannot_force_const_mem): Integral and vector constants can
2087 always be put in the constant pool.
2089 2006-05-16 DJ Delorie <dj@redhat.com>
2091 * crtstuff.c (__dso_handle): Set section from
2092 TARGET_LBIGCC_SDATA_SECTION if defined.
2093 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2094 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2096 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2099 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2102 2006-05-16 Ben Elliston <bje@au.ibm.com>
2104 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2106 2006-05-15 Per Bothner <per@bothner.com>
2108 * tree.c: (last_annotated_node): Use source_locus typedef.
2109 This permits bootstrapping with --enable-mapped-location.
2111 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2113 PR tree-optimization/26830
2114 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2115 (info_for_ssa_name, current_info_for_ssa_name_age,
2116 blocks_to_update): New variables.
2117 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2118 (clear_ssa_name_info, initialize_flags_in_bb,
2119 mark_block_for_update): New functions.
2120 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2121 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2122 prepare_def_site_for): Use mark_block_for_update.
2123 (mark_def_interesting): Assert that the processed block is marked in
2124 blocks_to_update. Do not take blocks argument.
2125 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2127 (rewrite_update_init_block, rewrite_update_stmt): Only process
2128 blocks with statements to rewrite.
2129 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2130 (update_ssa): Initialize and free blocks_to_update. Do not
2131 clear flags on statements. Do not use blocks bitmap.
2132 * tree.h (SSA_NAME_AUX): Removed.
2133 (struct tree_ssa_name): Removed aux field.
2134 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2136 2006-05-15 Richard Guenther <rguenther@suse.de>
2138 PR tree-optimization/27603
2139 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2140 Do computations in original type.
2142 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2144 * see.c: Code style changes such as redundant paranthesis,
2145 redundant intialization of local variables etc.
2146 (see_main): Declared now as static.
2147 * doc/invoke.texi: Update that -fsee is not enabled by
2150 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2152 * omp-low.c (check_omp_nesting_restrictions): New function.
2153 (scan_omp_1): Call it.
2156 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2157 construct, return *VAR.
2159 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2161 PR rtl-optimization/27406
2162 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2165 2006-05-14 Roger Sayle <roger@eyesopen.com>
2167 PR rtl-optimization/27538
2168 * combine.c (expand_compound_operation): Call gen_lowpart
2169 before calling simplify_shift_const.
2171 2006-05-14 Roger Sayle <roger@eyesopen.com>
2173 PR rtl-optimization/22563
2174 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2175 a fixed width bitfield, always force the intermediates into psuedos.
2177 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2180 * mkconfig.sh: Use operator = instead of == for test.
2182 2006-05-13 Nick Clifton <nickc@redhat.com>
2184 * dwarf2out.c (dbx_reg_number): Check return value from
2185 LEAF_REG_REMAP and only use it if it is valid.
2186 (multiple_reg_loc_descriptor): Likewise.
2188 2006-05-13 Richard Guenther <rguenther@suse.de>
2190 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2193 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2195 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2196 information attached to non-INSNs such as NOTEs.
2197 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2199 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2201 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2203 * config/s390/s390.md: Adjust comment describing On constraint.
2205 2006-05-11 Jan Hubicka <jh@suse.cz>
2207 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2208 to be output at -O0.
2210 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2213 * fold-const.c (size_binop): Move sanity check for arguments to
2214 the beginning of the function.
2217 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2220 2006-05-11 Richard Guenther <rguenther@suse.de>
2223 * fold-const.c (fold_unary): Handle intermediate conversion
2224 to a pointer type like intermediate conversion to an integer
2225 type in folding of (T1)(T2)var to var.
2226 Match the code to the comment in the final conversion for
2227 (T1)(T2)var to (T1)var regarding to type precision. Rather
2228 than disallow T1 being of pointer type, assert that both T1
2229 and var are of pointer type or not. Make sure not to fall
2230 over the frontends lazyness wrt array to pointer decay though.
2232 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2234 * arm.c (arm_struct_value_rtx): Delete.
2235 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2236 (arm_init_cumulative_args): Always initialize nregs to zero.
2238 2006-05-10 Richard Guenther <rguenther@suse.de>
2240 PR tree-optimization/27532
2241 * tree-object-size.c (plus_expr_object_size): Fix typo.
2243 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2246 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2247 ashrdi_const, ashrdi3): Use a scratch register.
2249 2006-05-10 Richard Guenther <rguenther@suse.de>
2251 PR tree-optimization/27302
2252 * fold-const.c (operand_equal_p): For two comparisons,
2253 try comparison of one comparison code swapped if that yields
2256 2006-05-10 Ben Elliston <bje@au.ibm.com>
2258 * tree-pretty-print.c (pretty_print_string): No need to handle
2259 '\0' as a special character.
2261 * tree.h: Include "hashtab.h".
2262 (iterative_hash_expr): Use hashval_t in its prototype.
2263 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2265 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2268 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2269 (hppa*64*-*-hpux11*): Ditto.
2270 (hppa[12]*-*-hpux11*): Ditto.
2272 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2275 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2277 2006-05-09 Michael Matz <matz@suse.de>
2279 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2280 host_extra_gcc_objs and host_xmake_file.
2281 (<*-*-linux*>): Don't overwrite host_xmake_file.
2282 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2283 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2284 (host_detect_local_cpu): Declare.
2285 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2286 * config/i386/i386.c (override_options): Handle -mtune=native
2288 * config/i386/x-i386: New file.
2289 * config/i386/driver-i386.c: New file.
2290 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2293 2006-05-09 Dirk Mueller <dmueller@suse.de>
2294 Richard Guenther <rguenther@suse.de>
2297 * fold-const.c (fold_read_from_constant_string): Relax check
2298 for matching types to matching modes.
2300 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2302 PR rtl-optimization/27335
2303 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2306 2006-05-08 Chao-ying Fu <fu@mips.com>
2307 Richard Sandiford <richard@codesourcery.com>
2309 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2310 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2311 * config/mips/mips.md (UNSPEC_SCC): New constant.
2312 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2313 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2314 (mips_emit_compare): Use it.
2315 (mips_expand_vcondv2sf): New function.
2317 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2319 Fix PR tree-optimization/27093
2320 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2321 renaming when they become not-used_alone.
2323 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2325 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2326 relocation and relocation stubs.
2328 2006-05-08 Eric Christopher <echristo@apple.com>
2330 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2333 2006-05-08 Jan Hubicka <jh@suse.cz>
2336 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2337 unused static functions are needed.
2339 2006-05-08 Roger Sayle <roger@eyesopen.com>
2342 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2343 of a reg_equiv_constant if the result is a legitimate constant.
2345 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2348 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2349 standard 80387 constants, raise the cost to prevent
2350 compress_float_constant() to generate load from memory.
2352 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2354 * config/arm/constraints.md (c): Fix a typo.
2356 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2359 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2362 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2364 (_mm_mwait): Likewise.
2366 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2368 (sse3_monitor): Make it 32bit only.
2369 (sse3_monitor64): New. 64bit monitor.
2371 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2374 * config/i386/i386.c (classify_argument): Skip fields with invalid
2377 2006-05-07 Richard Guenther <rguenther@suse.de>
2379 PR tree-optimization/27409
2380 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2381 Do not try to find zero-sized subvars.
2383 2006-05-07 Richard Guenther <rguenther@suse.de>
2385 PR tree-optimization/27136
2386 * tree-ssa-loop-niter.c (get_val_for): Correct function
2387 comment, assert requirements.
2388 (loop_niter_by_eval): Stop processing if the iterated
2389 value did not simplify.
2391 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2393 * opts.c (flag_see): remove its setting at -O3.
2395 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2397 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2398 * arm/constraints.md: New file.
2399 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2400 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2401 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2402 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2403 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2404 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2405 * arm.md: Include constraints.md.
2406 (thumb_movsi_insn): Use satisfies_constraint_J.
2407 (movhi, movqi): Use satisfies_constraint_I.
2409 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2411 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2412 for atmeg a645 device.
2414 2006-05-06 Richard Guenther <rguenther@suse.de>
2416 PR tree-optimization/27151
2417 * tree-vect-transform.c (vectorizable_condition): Punt on
2418 values that have a different type than the condition.
2420 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2423 * c-parser.c (c_parser_cast_expression): Only insert casts into
2424 hash table if pointer.
2425 * function.c (used_types_insert_helper): Rename from
2427 (used_types_insert): Call used_types_insert_helper.
2428 * function.h (used_types_insert): Accept only one argument.
2430 2006-05-05 David Edelsohn <edesohn@gnu.org>
2432 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2433 scratch with output modifier.
2435 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2438 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2439 with output modifier.
2441 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2444 * config/mips/mips.c (mips_symbolic_address_p): Return true
2445 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2446 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2448 2006-05-04 Richard Guenther <rguenther@suse.de>
2450 PR tree-optimization/14287
2451 PR tree-optimization/14844
2452 PR tree-optimization/19792
2453 PR tree-optimization/21608
2454 PR tree-optimization/27090
2455 * tree-ssa-pre.c (try_combine_conversion): New function.
2456 (compute_avail): After constructing the value-handle
2457 expression, use try_combine_conversion to combine NOP_EXPRs
2458 with previous value-handle expressions and use the result if it
2461 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2463 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2465 2006-05-04 Jan Hubicka <jh@suse.cz>
2468 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2470 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2472 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2473 that this only matches CONST_INTs. All users changed to VOIDmode
2476 * config/bfin/bfin.c: Include "optabs.h".
2477 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2479 (enum bfin_builtins): Add a number of fractional and vector builtins.
2480 (bfin_init_builtins): Likewise.
2481 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2482 (safe_vector_operand, bfin_expand_binop_builtin,
2483 bfin_expand_unop_builtin): New functions.
2484 (bfin_expand_builtin): Handle the new builtins.
2485 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2488 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2491 * Makefile.in (OBJS-common): Add see.o.
2492 (see.o): Add dependencies.
2493 * common.opt (fsee): New flag for the see optimization was added.
2494 * opts.c (flag_see): Initialized.
2495 * passes.c (init_optimization_passes, pass_see): New pass.
2496 * rtl.h (see_main): Declaration as extern.
2497 * timevar.def (TV_SEE): New.
2498 * tree-pass.h (pass_see): Declaration as extern.
2499 * invoke.texi (-fsee): Document.
2500 * recog.c (validate_simplify_insn): New function.
2501 * recog.h (validate_simplify_insn): Declaration as extern.
2502 * df-problems.c (df_chain_dump): Check for NULL.
2504 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2505 Daniel Berlin <dberlin@dberlin.org>
2507 * cfgrtl.c (insert_insn_bb_end_new): New function.
2508 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2510 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2512 * df.h (struct web_entry): Moved from web.c.
2513 (union_defs): Declaration as extern.
2514 (unionfind_root): Likewise.
2515 (unionfind_union): Likewise.
2516 * web.c (struct web_entry): Moved to df.h.
2517 (unionfind_root): Remove static declaration.
2518 (unionfind_union): Likewise.
2519 (union_defs): Likewise and generalize to use callback function.
2520 (web_main): Update arguments for union_defs function call.
2522 2006-05-04 Richard Guenther <rguenther@suse.de>
2524 PR tree-optimization/26447
2525 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2526 produce SSA_NAME copies before the store stmt to avoid
2527 breaking exception handling.
2529 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2532 * gimplify.c (omp_is_private): If var is shared in some outer context,
2533 return false instead of true. Stop searching on parallel context
2536 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2539 * coverage.c: Use get_gcov_unsigned_t() instead of
2540 unsigned_type_node all over.
2542 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2544 PR tree-optimization/27381
2545 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2546 maintain the same immediate_use links.
2547 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2548 node rather than segfaulting.
2550 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2553 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2554 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2555 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2557 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2559 Fix PR tree-optimization/26626
2560 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2562 * tree-ssa-operands.c (access_can_touch_variable): Allow
2563 typecasting through union pointers.
2565 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2568 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2569 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2570 to find if var will be a global variable even in the nested context.
2571 (omp_copy_decl): Only check for global variable at the end, it might
2572 be overridden in outer contexts.
2573 (scan_sharing_clauses): For global variables don't create a field.
2574 (lower_rec_input_clauses): Do nothing for global shared variables.
2575 Emit a barrier at the end of ILIST if there were any decls in both
2576 firstprivate and lastprivate clauses.
2577 (lower_send_clauses): Do nothing for global variables except for
2580 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2582 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2583 of the correct signedness is returned.
2585 2006-05-02 Jeff Law <law@redhat.com>
2587 PR tree-optimization/27364
2588 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2589 multiply expressions.
2591 2006-05-02 Tom Tromey <tromey@redhat.com>
2593 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2595 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2598 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2599 -mthumb -fPIC are used.
2601 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2602 Joshua Kinard <kumba@gentoo.org>
2605 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2606 with 64-bit pointers.
2608 2006-05-02 Paul Brook <paul@codesourcery.com>
2610 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2612 (create_fix_barrier): Check that a suitable barrier location is
2614 (arm_reorg): Include ftmp->address in allowable range of addresses.
2616 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2619 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2622 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2625 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2626 around RESULT_DECL for result passed by reference.
2627 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2628 * omp-low.c (use_pointer_for_field): Don't look at
2629 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2630 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2631 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2632 time or var for passing by reference for
2633 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2634 TREE_ADDRESSABLE variables when passing by reference.
2636 * omp-low.c (dump_omp_region): Fix output formatting.
2639 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2640 (expand_omp_parallel): Likewise.
2641 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2644 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2645 on statement list containing also constructors and destructors.
2646 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2649 * except.c (duplicate_eh_regions): Fix clearing of
2650 cfun->eh->region_array entries.
2652 2006-05-01 DJ Delorie <dj@redhat.com>
2654 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2656 (gcc_cv_objdump): Likewise.
2657 * configure: Regenerated.
2659 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2662 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2663 templates for case 3 and 4.
2665 2006-05-01 DJ Delorie <dj@redhat.com>
2667 * vec.c: Include bconfig.h when appropriate.
2668 * Makefile.in (build/vec.o): Adjust dependencies.
2669 * mkconfig.sh: Make sure config.h isn't used for build machine
2672 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2674 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2676 (mark_phi_for_rewrite): New function.
2677 (insert_phi_nodes_for, mark_use_interesting): Call
2678 mark_phi_for_rewrite.
2679 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2680 (update_ssa): Initialize and free phis_to_rewrite.
2682 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2684 PR rtl-optimization/27291
2685 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2686 folded to a constant.
2688 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2690 PR tree-optimization/27283
2691 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2692 not whole # of iteration descriptions.
2693 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2694 uses abnormal ssa name.
2695 (niter_for_single_dom_exit): Ditto.
2696 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2697 return just the number of iterations.
2699 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2701 PR tree-optimization/27144
2702 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2703 (record_estimate): Only record constant upper bound.
2704 (infer_loop_bounds_from_undefined): Call
2705 compute_estimated_nb_iterations just once.
2706 (proved_non_wrapping_p): Renamed to ...
2707 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2708 (convert_step_widening, scev_probably_wraps_p): Call
2709 n_of_executions_at_most instead of proved_non_wrapping_p.
2710 (substitute_in_loop_info): Do not replace values in bounds.
2711 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2714 2006-05-01 Richard Henderson <rth@redhat.com>
2717 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2718 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2721 2006-05-01 Roger Sayle <roger@eyesopen.com>
2723 * c-typeck.c (parser_build_binary_op): Don't call the function
2724 unsigned_conversion_warning to spot operand/result type overflow.
2725 (build_binary_op): Instead, call convert_and_check instead of
2726 convert to report the problem when the operands are promoted.
2727 * c-common.c (unsigned_conversion_warning): Make static.
2728 * c-common.h (unsigned_conversion_warning): Delete prototype.
2730 2006-05-01 Richard Guenther <rguenther@suse.de>
2732 PR tree-optimization/26726
2733 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2735 (find_interesting_uses_address): ... we work around here
2736 by folding INDIRECT_REFs in the substituted base.
2738 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2740 * omp-low.c (dump_omp_region): Add newlines.
2742 2006-04-30 Roger Sayle <roger@eyesopen.com>
2744 * common.opt (Woverflow): New command line option.
2745 * c-common.c (constant_expression_warning): Check warn_overflow.
2746 (overflow_waring): Pass OPT_Woverflow to warning.
2747 (unsigned_conversion_warning): Likewise.
2748 (convert_and_check): Likewise.
2749 * doc/invoke.texi: Document new command line option.
2751 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2753 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2754 TARGET_NO_FP_IN_TOC for section anchors.
2755 (optimization_options): Enable section anchors for all
2756 non-"Objective" languages.
2758 2006-04-28 Eric Christopher <echristo@apple.com>
2760 * config/darwin-c.c (darwin_ms_struct): Move this
2761 (darwin_set_default_type_attributes): and this...
2762 * config/darwin.c: ... here.
2763 * config/darwin.h (darwin_ms_struct): Declare.
2765 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2767 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2769 2006-04-28 Roger Sayle <roger@eyesopen.com>
2772 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2773 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2774 an unsigned HOST_WIDE_INT.
2775 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2777 (really_start_incremental_init): No need to call convert because
2778 bitsize_zero_node is already of type bitsizetype.
2779 (push_init_level): Extract the value of constructor_index as an
2780 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2781 (process_init_element): Likewise.
2783 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2785 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2786 value before passing to make_relative_prefix.
2788 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2791 * builtins.c (expand_builtin_memset): Expand val in original mode.
2793 2006-04-27 Eric Christopher <echristo@apple.com>
2795 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2796 with #ifndef/#endif.
2797 * config/darwin-c.c (darwin_ms_struct): New.
2798 (darwin_pragma_ms_struct): Ditto.
2799 (darwin_set_default_type_attributes): Ditto.
2800 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2801 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2802 Register ms_struct pragma.
2803 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2804 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2805 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2806 darwin_set_default_type_attributes if TARGET_MACHO.
2808 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2810 PR tree-optimization/26854
2811 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2812 * doc/tree-ssa.texi: Update immuse iterator documentation.
2813 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2814 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2815 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2816 first_safe_imm_use, next_safe_imm_use): Remove.
2817 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2818 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2819 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2820 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2821 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2822 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2823 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2824 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2825 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2826 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2827 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2828 (perfect_nestify): Use new iterator.
2829 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2831 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2832 (next_imm_name): New field in struct immediate_use_iterator_d.
2833 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2834 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2835 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2836 * tree-cfg.c (replace_uses_by): Use new iterator.
2837 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2838 * tree-ssa-operands.c (correct_use_link): Remove.
2839 (finalize_ssa_use_ops): No longer call correct_use_link.
2841 2006-04-27 Stuart Hastings <stuart@apple.com>
2843 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2844 * config/t-darwin (crt3.o): Use it.
2845 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2846 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2847 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2848 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2849 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2852 2006-04-27 Roger Sayle <roger@eyesopen.com>
2854 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2855 size, force the intermediate into a new pseudo rather instead of
2856 performing both a bitwise AND and a bitwise IOR in memory.
2858 2006-04-27 Richard Guenther <rguenther@suse.de>
2860 PR rtl-optimization/26685
2861 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2862 this one "max-flow-memory-locations".
2864 2006-04-27 Richard Guenther <rguenther@suse.de>
2866 PR tree-optimization/25148
2867 * tree-vrp.c (compare_values): Remove code dealing with
2868 comparisons against type min/max value. Honour overflow
2869 and negative constants in code dealing with comparisons
2870 of plus and minus expressions.
2871 (value_inside_range): Use fold_binary with LE_EXPR and
2872 GE_EXPR rather than compare_values.
2874 2006-04-27 Dirk Mueller <dmueller@suse.de>
2876 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2879 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2881 * basic-block.h (safe_insert_insn_on_edge): Removed.
2882 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2884 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2885 Paolo Bonzini <bonzini@gnu.org>
2888 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2889 (simplify_and_const_int): Same.
2891 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2893 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2895 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2898 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2899 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2900 cgraph_global_info_ready.
2903 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2906 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2907 either decl or init is error_mark_node.
2910 * tree-flow.h (struct omp_region): Add sched_kind.
2911 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2912 instead of extracting omp for data.
2913 (expand_omp_for): Save extracted sched_kind.
2915 2006-04-25 Roger Sayle <roger@eyesopen.com>
2917 * expmed.c (store_bit_field): Also check whether the bitsize is
2918 valid for the machine's "insv" instruction before moving the
2919 target into a pseudo for use with the insv.
2920 * config/i386/predicates.md (const8_operand): New predicate.
2921 * config/i386/i386.md (extv, extzv, insv): Use the new
2922 const8_operand predicate where appropriate.
2924 2006-04-25 DJ Delorie <dj@redhat.com>
2926 * doc/install.texi (Specific): Clarify that this is not a list of
2927 supported hosts or targets.
2929 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2931 PR rtl-optimization/26725
2932 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2933 block's BB_DIRTY flag.
2935 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2937 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2940 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2941 to print an integer.
2943 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2945 * varasm.c (align_variable): New function.
2946 (get_block_for_decl): Apply align_variable to DECL before
2947 calculating section information.
2948 (assemble_variable): Split out alignment computation.
2950 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2952 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2955 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2957 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2958 MODE_PARTIAL_INT mode.
2959 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2960 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2962 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2963 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2965 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2967 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2969 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2970 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2971 MACFLAG_IH): Likewise.
2972 (movstricthi_1): Renamed from "*movstricthi".
2973 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2974 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2975 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2976 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2977 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2978 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2979 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2980 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2981 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2982 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2983 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2984 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2985 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2986 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2987 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2989 * doc/rtl.texi (ss_ashift): Improve wording.
2991 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2993 * dwarf2out.c (verify_marks_clear): New.
2994 (prune_unused_types): Call verify_marks_clear initially, not
2997 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2999 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3000 * doc/rtl.texi: Document them.
3001 * simplify-rtx.c (simplify_unary_operation,
3002 simplify_binary_operation_1): Don't abort when we see them.
3004 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3007 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3008 * configure.ac: Completely disregard languages that are not
3010 * configure: Regenerated.
3012 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3013 Richard Guenther <rguenther@suse.de>
3015 PR tree-optimization/27236
3016 * tree-inline.c (copy_body_r): Make sure to copy
3017 TREE_THIS_VOLATILE flag.
3019 2006-04-24 Richard Guenther <rguenther@suse.de>
3022 * tree-complex.c (update_parameter_components): Don't handle
3023 unused parameters which have no default def.
3025 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3026 Richard Guenther <rguenther@suse.de>
3028 PR tree-optimization/27218
3029 * tree-inline.c (expand_call_inline): Strip useless type
3030 conversions for the return slot address.
3032 2006-04-24 Richard Guenther <rguenther@suse.de>
3034 * cfgloop.h (struct loops): Remove unused field array. Reorder
3036 (LOOP_PREFETCH): Remove.
3038 2006-04-24 Richard Guenther <rguenther@suse.de>
3040 PR tree-optimization/22525
3041 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3042 variable, adjust types of generated expressions.
3044 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3046 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3047 (tree-vect-patterns.o): Likewise.
3049 (cselib.o): Likewise.
3050 (loop-doloop.o): Likewise.
3051 (regclass.o): Likewise.
3052 (reload1.o): Likewise.
3053 (explow.o): Replace target.h with $(TARGET_H).
3054 (ipa-prop.o): Likewise.
3055 (ipa-cp.o): Likewise.
3056 (ipa-inline.o): Likewise.
3057 (reorg.o): Likewise.
3058 (reg-stack.o): Likewise.
3060 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3062 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3064 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3066 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3068 * configure.ac: Completely disregard languages that are not
3070 * configure: Regenerated.
3073 * c-common.h (c_build_bitfield_integer_type): Declare.
3074 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3075 * c-common.c (c_build_bitfield_integer_type): ... here.
3077 2006-04-23 Roger Sayle <roger@eyesopen.com>
3080 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3081 a SImode SUBREG of a floating point register after no_new_pseudos.
3083 2006-04-23 Roger Sayle <roger@eyesopen.com>
3085 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3086 identify potentially eliminable registers to additionally catch
3087 VIRTUAL_INCOMING_ARGS_REGNUM.
3088 (addsi3): Update the conditions on when to use addsi_small_int.
3090 2006-04-23 Roger Sayle <roger@eyesopen.com>
3093 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3094 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3095 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3097 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3099 * fold-const.c (range_predecessor): Use operand_equal_p
3100 as the predicate for equality.
3101 (range_successor): Likewise.
3103 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3106 * config/soft-fp/op-common.h: Fix a typo.
3108 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3111 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3112 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3114 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3116 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3118 * doc/tm.texi: Fix a typo.
3120 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3122 * dwarf2out.c (struct die_struct): Document that die_sib makes
3123 a circular linked list.
3124 (FOR_EACH_CHILD): New.
3125 (reverse_die_lists): Delete.
3126 (reverse_all_dies): Delete.
3127 (add_dwarf_attr): Correct documentation.
3128 (remove_child_with_prev): New.
3129 (remove_child_TAG): Update for change to die_struct, use
3130 remove_child_with_prev.
3131 (add_child_die): Update for change to die_struct.
3132 (splice_child_die): Use remove_child_with_prev and add_child_die.
3133 (print_die): Use FOR_EACH_CHILD.
3134 (die_checksum): Likewise.
3135 (assign_symbol_names): Likewise.
3136 (output_location_lists): Likewise.
3137 (build_abbrev_table): Likewise.
3138 (calc_die_sizes): Likewise.
3139 (mark_dies): Likewise.
3140 (unmark_dies): Likewise.
3141 (unmark_all_dies): Likewise.
3142 (output_die): Likewise.
3143 (prune_unused_types_mark): Likewise.
3144 (prune_unused_types_walk): Likewise.
3145 (same_die_p): Update for change to die_struct.
3146 (break_out_includes): Likewise.
3147 (prune_unused_types_prune): Likewise.
3148 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3149 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3151 (dwarf2out_finish): Don't call reverse_all_dies.
3153 2006-04-21 Eric Christopher <echristo@apple.com>
3155 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3156 in comments and function names.
3158 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3161 * c-typeck.c (digest_init): Robustify.
3163 * c-typeck.c (pop_init_level): Simplify.
3165 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3167 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3169 2006-04-21 Paul Brook <paul@codesourcery.com>
3171 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3172 hardware floating point.
3174 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3176 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3179 2006-04-21 Nick Clifton <nickc@redhat.com>
3181 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3184 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3187 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3188 C++ lang type in traceback table for Objective-C++.
3190 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3192 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3194 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3196 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3199 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3200 were errors. Remove check for erroneous objects.
3202 2006-04-20 Jeff Law <law@redhat.com>
3204 PR tree-optimization/26854
3205 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3206 checking for zero or one use.
3207 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3208 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3209 * tree-ssa-reassoc.c (negate_value): Similarly.
3210 (reassociate_bb): Similarly.
3212 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3214 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3215 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3216 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3218 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3220 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3221 fp regs if the last fp arg doesn't fit in regs.
3223 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3226 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3227 that the last insn has the REG_INC note.
3229 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3230 Nathan Sidwell <nathan@codesourcery.com>
3233 * stor-layout.c (update_alignment_for_field): Do not align
3235 (place_union_field): Place union field at the start of the union.
3236 (place_field): Move ERROR_MARK check later, and use the current
3237 allocation position to maintain monotonicity.
3239 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3241 * dominance.c: Include timevar.h.
3242 (calculate_dominance_info): Use TV_DOMINANCE.
3243 * timevar.def (TV_DOMINANCE): New timevar.
3244 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3246 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3248 PR rtl-optimization/14261
3249 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3250 move would be an INSV insn.
3251 (noce_process_if_block): Don't optimize if the destination is a
3252 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3254 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3256 * config/s390/s390.md: Add comments with the instructions emitted
3257 by an insn pattern if macros are used.
3259 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3261 PR rtl-optimization/26026
3262 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3263 is a known power of two shifted left a variable amount.
3265 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3267 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3268 to hash table twice when the debug_str section has SECTION_MERGE.
3270 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3272 * config/soft-fp: New directory. From glibc.
3273 * config/soft-fp/t-softfp: New.
3274 * config/soft-fp/README: New.
3275 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3276 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3277 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3278 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3279 * config.gcc: Use rs6000/t-fprules-fpbit or
3280 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3282 * config/rs6000/sfp-machine.h: New. Based on glibc.
3283 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3285 * config/rs6000/t-fprules: Remove fp-bit rules.
3286 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3287 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3288 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3289 (softfp_wrap_start, softfp_wrap_end): New.
3291 2006-04-18 DJ Delorie <dj@redhat.com>
3293 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3295 2006-04-18 Devang Patel <dpatel@apple.com>
3297 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3299 2006-04-18 Nick Clifton <nickc@redhat.com>
3301 * config/sh/t-symbian: Add rule to build sh-c.o
3302 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3303 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3304 (sh_symbian_encode_section_info): Likewise.
3306 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3308 * builtins.c (expand_builtin_strcmp): Cover label definition of
3309 do_libcall with HAVE_cmpstrnsi.
3311 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3313 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3315 * function.h (temp_slot_p): New.
3316 (function): Change the type of x_used_temp_slots to
3317 VEC(temp_slot_p,gc) *.
3319 2006-04-18 Nick Clifton <nickc@redhat.com>
3321 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3322 flag_strength_reduce.
3324 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3326 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3330 Partial revert of revision 112637
3331 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3332 Dale Johannesen <dalej@apple.com>
3335 * regclass.c (struct reg_pref): Update documentation.
3336 (regclass): Set prefclass to NO_REGS if memory is the best option.
3337 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3339 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3341 PR tree-optimization/26821
3342 * tree-ssa-math-opts.c (get_constant_one): New.
3343 (insert_reciprocals): Use it.
3345 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3347 * dwarf2out.c (free_AT): Delete.
3348 (remove_AT): Update string ref counts.
3349 (remove_child_TAG): Don't call free_die.
3351 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3352 or DW_TAG_GNU_EINCL.
3353 (prune_unused_types_walk_attribs): Reset string refcounts.
3354 (prune_unused_types_update_strings): New.
3355 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3356 call free_die. Do call prune_unused_types_update_strings.
3357 (prune_unused_types): Empty debug_str_hash.
3359 2006-04-17 Roger Sayle <roger@eyesopen.com>
3361 * expr.c (expand_assignment): Optimize away no-op moves where the
3362 source and destination are equal and have no side-effects.
3364 2006-04-17 Richard Guenther <rguenther@suse.de>
3367 * reload.c (push_reload): Guard calls to get_secondary_mem
3370 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3372 * alias.c (reg_base_value, old_reg_base_value): Change the
3373 type to VEC(rtx,gc) *.
3374 (REG_BASE_VALUE, find_base_value, record_set,
3375 init_alias_analysis): Use VEC instead of VARRAY.
3377 * alias.c (alias_sets): Change the type to
3378 VEC(alias_set_entry,gc) *.
3379 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3380 VEC instead of VARRAY.
3381 (last_alias_set): Remove.
3383 * cgraph.h (cgraph_edge_p): New.
3384 Update the prototype of cgraph_function_versioning.
3385 * cgraphunit.c (cgraph_copy_node_for_versioning,
3386 cgraph_function_versioning): Use VEC instead of VARRAY.
3387 * ipa-cp.c (ipcp_insert_stage): Likewise.
3389 2006-04-16 Roger Sayle <roger@eyesopen.com>
3392 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3393 "A op B" or "A op C", we may need to convert A to the type of B and C.
3395 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3397 * target.h (struct gcc_target): Add mode_rep_extended.
3398 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3399 (init_num_sign_bit_copies_in_rep): Initialize it using
3401 (truncate_to_mode): Use it.
3402 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3403 * targhooks.h (default_mode_rep_extended): Declare it.
3404 * targhooks.c (default_mode_rep_extended): Define it.
3405 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3406 default_mode_rep_extended.
3407 (TARGET_INITIALIZER): Include it.
3408 * doc/tm.texi (Misc): Document it.
3409 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3410 (mips_truncated_to_mode): New function.
3412 2006-04-16 Roger Sayle <roger@eyesopen.com>
3415 * expr.c (compress_float_constant): Copy the narrow constant into
3416 a new pseudo before extending it to its final width.
3418 2006-04-16 Roger Sayle <roger@eyesopen.com>
3419 Andrew Pinski <pinskia@gcc.gnu.org>
3420 Dale Johannesen <dalej@apple.com>
3423 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3424 special case code to implement V8HImode and V16QImode with SSE2.
3426 2006-04-15 Roger Sayle <roger@eyesopen.com>
3428 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3429 trees are constructed with a suitable tree type.
3431 2006-04-15 Roger Sayle <roger@eyesopen.com>
3433 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3434 (integer_onep): Likewise.
3435 (integer_all_onesp): Likewise.
3436 (integer_pow2p): Likewise.
3437 (integer_nonzerop): Likewise.
3438 (real_zerop): Likewise.
3439 (real_onep): Likewise.
3440 (real_twop): Likewise.
3441 (real_minus_onep): Likewise.
3442 (int_size_in_bytes): Likewise.
3443 (host_integerp): Likewise.
3445 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3447 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3448 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3449 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3451 * tree-ssa-structalias.h (alias_info): Remove num_references.
3453 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3455 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3456 (output_bvb patterns): Likewise.
3457 * pa.c (output_bb): Use 'bb' insn for long branch case.
3458 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3459 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3460 1. Correct length operand for alternatives 1 and 2.
3461 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3462 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3464 2006-04-14 Roger Sayle <roger@eyesopen.com>
3466 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3467 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3468 were accidentally reverted by r112959.
3470 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3473 * except.h (eh_region_outermost): New prototype.
3474 * except.c (eh_region_outermost): New function.
3475 * tree-cfg.c (find_outermost_region_in_block): Use it.
3477 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3479 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3481 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3482 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3483 (init_reload, reload): Use VEC instead of VARRAY.
3484 * reload.h: Update the prototype for
3485 reg_equiv_memory_loc_varray.
3487 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3488 Eric Botcazou <ebotcazou@libertysurf.fr>
3490 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3493 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3496 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3497 to expand fallback builtin function call.
3499 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3502 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3503 and emit libcall here in case the builtin fails.
3504 (expand_builtin_strcmp): Always emit the libcall here on failure.
3506 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3508 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3509 * flow.c (reg_n_info): Change the type to
3510 VEC(reg_info_p,heap) *.
3511 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3513 * regs.h (reg_info_p): New.
3514 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3515 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3516 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3519 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3521 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3523 * params.h (MAX_SCHED_READY_INSNS): New macro.
3524 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3525 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3526 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3527 the ready list for 1 cycle during the first scheduling pass.
3528 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3530 2006-04-13 Richard Henderson <rth@redhat.com>
3533 * gimple-low.c (lower_omp_directive): Remove dead code.
3534 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3535 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3536 * omp-low.c (struct omp_region): Move to tree-flow.h.
3537 (root_omp_region): Export.
3538 (omp_regions, lookup_omp_region): Remove.
3539 (determine_parallel_type): Update for struct omp_region changes.
3540 (dump_omp_region): Dump regions with block numbers.
3541 (new_omp_region): Take type and block instead of stmt; malloc
3543 (free_omp_region_1, free_omp_regions): New.
3544 (expand_parallel_call): Take entry_stmt as argument; update for
3545 changes to omp_region.
3546 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3547 (remove_exit_barriers): New.
3548 (expand_omp_parallel): Update for struct omp_region changes.
3549 (expand_omp_synch): Likewise.
3550 (expand_omp): Likewise.
3551 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3552 (expand_omp_for_static_chunk): Likewise.
3553 (expand_omp_for): Likewise.
3554 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3555 (expand_omp_sections): Similarly, with GOMP_sections_end.
3556 (expand_omp_single): New.
3557 (build_omp_regions_1): Update for OMP_CONTINUE.
3558 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3559 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3560 OMP_SECTIONS_SECTIONS.
3561 (lower_omp_single_simple): Don't emit barrier here.
3562 (lower_omp_single_copy): Likewise.
3563 (lower_omp_single): Fix bindings, and lower to straightline now.
3564 (lower_omp_master, lower_omp_ordered): Likewise.
3565 (lower_omp_critical): Likewise.
3566 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3567 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3568 omp edges, free it afterward.
3569 (make_omp_sections_edges): Remove.
3570 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3571 (move_stmt_r): Handle OMP_CONTINUE.
3572 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3573 statement pointers to basic blocks. Add type member.
3574 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3575 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3576 * tree-inline.c (estimate_num_insns_1): Likewise.
3577 * tree-pretty-print.c (dump_generic_node): Likewise.
3578 * tree-ssa-operands.c (get_expr_operands): Likewise.
3579 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3580 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3581 (OMP_CONTINUE): New.
3582 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3583 (OMP_SECTIONS_SECTIONS): Remove.
3584 (OMP_SECTION_LAST): New.
3585 (OMP_RETURN_NOWAIT): New.
3587 2006-04-13 Roger Sayle <roger@eyesopen.com>
3589 * fold-const.c (native_encode_vector, native_interpret_real):
3590 Correct obvious mistakes in the previous check-in.
3592 2006-04-13 Roger Sayle <roger@eyesopen.com>
3594 * fold-const.c (native_encode_expr): New function to encode
3595 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3596 or VECTOR_CST into a specified buffer.
3597 (native_encode_int): New function.
3598 (native_encode_real): New function.
3599 (native_encode_complex): New function.
3600 (native_encode_vector): New function.
3601 (native_interpret_expr): Inverse of native_encode_expr to convert
3602 a target representation into an INTEGER_CST, REAL_CST etc...
3603 (native_interpret_int): New function.
3604 (native_interpret_real): New function.
3605 (native_interpret_complex): New function.
3606 (native_interpret_vector): New function.
3607 (fold_view_convert_expr): New function to constant fold/evaluate
3608 a VIEW_CONVERT_EXPR of a suitable constant expression.
3609 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3610 Change call of build1 to fold_build1 when constructing a
3613 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3614 Ulrich Weigand <uweigand@de.ibm.com>
3617 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3620 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3623 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3624 optimize to lo_sum for DFmode if !TARGET_FPRS.
3626 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3628 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3629 delete_alias_info, compute_flow_sensitive_aliasing,
3630 group_aliases): Use VEC instead of VARRAY.
3631 * tree-ssa-structalias.c (update_alias_info): Likewise.
3632 * tree-ssa-structalias.h (alias_info): Change the type of
3633 processed_ptrs to VEC(tree,heap) *.
3635 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3638 * config/sh/lib1funcs.h: New file, broken out of:
3639 * config/sh/lib1funcs.asm.
3640 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3642 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3643 * config/sh/lib1funcs-Os-4-200.asm: New file.
3644 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3645 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3646 (EXTRA_MULTILIB_PARTS): Include it.
3647 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3648 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3649 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3650 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3653 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3655 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3656 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3657 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3659 * tree-ssa-live.h: Include vecprim.h.
3660 (tree_partition_associator_d): Change the type of
3661 first_partition to VEC(int,heap) *.
3662 (tpa_first_partition): Use VEC instead of VARRAY.
3664 * Makefile.in (GTFILES): Move functions.h after tree.h.
3665 * function.c (reset_block_changes, record_block_change,
3666 check_block_change, free_block_changes): Use VEC instead of
3668 * function.h (function): Change the type of
3669 ib_boundaries_block to VEC(tree,gc) *.
3670 * tree-inline.c (copy_cfg_body): Initialize
3671 ib_boundaries_block to NULL instead of (varray_type) 0.
3673 2006-04-12 Roger Sayle <roger@eyesopen.com>
3675 * expr.c (emit_group_store): Correct operand order in call to
3676 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3677 a SUBREG_BYTE of zero.
3679 2006-04-12 Richard Guenther <rguenther@suse.de>
3681 * profile.c (compute_branch_probabilities): Remove code
3682 encapsulated in !ir_type (), which are remanents of the
3683 removed RTL profiling code.
3684 * rtl-profile.c: Remove.
3686 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3688 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3689 magic NULL_RTX comment.
3690 (function_arg): Store entire fp arg to mem if any part should go
3692 (rs6000_arg_partial_bytes): Adjust for above change.
3694 2006-04-11 Roger Sayle <roger@eyesopen.com>
3696 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3697 if it hasn't been initialized by dwarf2out_init.
3699 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3701 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3702 symbolic constants in branch patterns.
3704 2006-04-11 Roger Sayle <roger@eyesopen.com>
3706 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3708 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3710 PR rtl-optimization/27073
3711 * gcse.c (try_replace_reg): Revert last change. Continue to search
3712 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3715 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3717 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3718 aggregate types other than record and union types.
3719 (function_arg): Likewise.
3720 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3722 (function_value): In 64-bit mode, return objects that require it
3725 2006-04-11 Roger Sayle <roger@eyesopen.com>
3727 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3729 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3731 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3733 2006-04-03 Jeff Law <law@redhat.com>
3736 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3737 alias information too.
3739 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3741 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3743 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3746 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3747 (premark_used_types_helper): New.
3748 (premark_used_types): New.
3749 (gen_subprogram_die): Call premark_used_types.
3750 (prune_unused_types_walk): Do not prune perennial dies.
3751 * function.c (used_types_insert): New.
3752 * function.h (struct function): Add used_types_hash field.
3753 (used_types_insert): Add prototype.
3754 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3755 * c-parser.c (c_parser_cast_expression): Save casted types in used
3758 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3761 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3762 rs6000_explicit_options.float_gprs.
3764 2006-04-10 Roger Sayle <roger@eyesopen.com>
3766 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3767 from ix86_expand_vector_init_low_nonzero. Take an additional
3768 one_var argument indicating which element is non-zero. Support
3769 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3770 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3771 with one_var instead of ix86_expand_vector_init_low_nonzero.
3773 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3775 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3776 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3777 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3778 build/genextract.o): Depend on vecprim.h.
3779 * cfglayout.c, df-problems.c, function.c, genextract.c,
3780 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3781 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3785 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3787 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3788 Declare VECs of this type.
3789 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3790 (remove_children): Delete.
3791 (add_dwarf_attr): Use VEC routines.
3792 (add_AT_flag): Update for changes to add_dwarf_attr.
3793 (add_AT_int): Likewise.
3794 (add_AT_unsigned): Likewise.
3795 (add_AT_long_long): Likewise.
3796 (add_AT_vec): Likewise.
3797 (add_AT_string): Likewise.
3798 (add_AT_die_ref): Likewise.
3799 (add_AT_fde_ref): Likewise.
3800 (add_AT_loc): Likewise.
3801 (add_AT_loc_list): Likewise.
3802 (add_AT_addr): Likewise.
3803 (add_AT_lbl_id): Likewise.
3804 (add_AT_lineptr): Likewise.
3805 (add_AT_macptr): Likewise.
3806 (add_AT_offset): Likewise.
3807 (add_AT_range_list): Likewise.
3808 (get_AT): Use VEC_iterate.
3809 (remove_AT): Use VEC_ordered_remove.
3810 (free_die): Fold remove_children into here; have it use VEC_iterate.
3811 (print_die): Use VEC_iterate on attrs.
3812 (reverse_die_lists): Don't reverse attr lists.
3813 (die_checksum): Use VEC_iterate on attrs.
3814 (same_die_p): Likewise.
3815 (output_location_lists): Likewise.
3816 (build_abbrev_table): Likewise.
3817 (size_of_die): Likewise.
3818 (unmark_all_dies): Likewise.
3819 (output_abbrev_section): Likewise.
3820 (output_die): Likewise.
3821 (prune_unused_types_walk_attribs): Likewise.
3823 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3825 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3827 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3830 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3832 2006-04-09 Roger Sayle <roger@eyesopen.com>
3834 * expr.c (store_constructor): Don't bother clearing target if
3835 we're about to assign a vector to it using vec_init_optab.
3837 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3839 * tree-ssa-alias.c (lhs_may_store_to): New function.
3840 (recalculate_used_alone): Handle LHS of calls.
3842 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3846 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3847 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3848 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3849 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3850 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3851 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3852 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3853 stubs. Add ".align 8" directives before all ".dword" directives.
3854 (GTHREAD_USE_WEAK): Revise comment.
3855 (TARGET_ATTRIBUTE_WEAK): Define.
3856 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3857 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3858 * stublib.c: New file.
3863 * pa.md (cbranch patterns): Revise arguments used in calls to
3864 output_cbranch, output_bb and output_bvd. Add long branch length
3866 (fbranch patterns): Handle long branches.
3867 (jump): Revise length check. Revise arguments for output_lbranch call.
3868 Add long branch length attributes.
3869 (decrement_and_branch_until_zero): Add long branch length attributes.
3870 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3871 Likewise. Revise arguments for output_parallel_addb and
3872 output_parallel_movb calls.
3873 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3874 output_parallel_movb and output_parallel_addb): Update prototypes.
3875 * pa.c (output_cbranch): Revise arguments. Correct handling of
3876 nullification in long branches.
3877 (output_lbranch): Add new argument to control extraction of delay
3879 (output_bb): Handle long branches.
3880 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3881 output_parallel_addb): Likewise.
3883 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3885 PR rtl-optimization/27073
3886 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3889 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3891 * tree.h (tree_memory_tag): Add old_used_alone.
3892 (SMT_OLD_USED_ALONE): New macro.
3893 * tree-ssa-alias.c (recalculate_used_alone): Stop
3894 marking things for renaming unnecessarily.
3896 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3898 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3899 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3900 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3901 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3902 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3903 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3904 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3905 spelling convensions.
3906 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3907 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3908 typos. Follow spelling conventions.
3910 2006-04-07 DJ Delorie <dj@redhat.com>
3912 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3913 passed on the stack.
3914 (m32c_init_cumulative_args): When a function returns a structure,
3915 always pass the pointer to that return area on the stack.
3916 (m32c_function_arg_advance): Don't increment the parameter number
3917 if we're processing the returned structure pointer.
3918 (pushm_info): Reverse order of registers.
3920 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3922 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3923 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3924 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3925 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3927 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3928 chrec_fold_multiply): Same.
3929 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3930 force_expr_to_var_cost): Same.
3931 * tree-mudflap.c (mf_xform_derefs_1): Same.
3932 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3934 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3936 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3937 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3940 2006-04-07 Jan Hubicka <jh@suse.cz>
3942 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3944 2006-04-07 Richard Guenther <rguenther@suse.de>
3946 PR tree-optimization/26135
3947 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3948 loads for store copy-prop.
3949 (copy_prop_visit_stmt): Likewise.
3951 2006-04-05 Robert Millan <robertmh@gnu.org>
3953 * config/i386/linux.h: Add a comment to mark macros that are
3954 being overriden in config/k*bsd-gnu.h.
3955 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3957 * config/knetbsd-gnu.h: Ditto.
3959 2006-04-06 Jan Hubicka <jh@suse.cz>
3963 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3966 2006-04-06 Mike Stump <mrs@apple.com>
3968 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3969 for HAVE_nonlocal_goto to be consistent.
3970 (expand_builtin_nonlocal_goto): Likewise.
3971 (expand_builtin_strcmp): Use #ifdef instead of #if
3972 for HAVE_cmpstrnsi to be consistent.
3974 2006-04-05 DJ Delorie <dj@redhat.com>
3976 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3979 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3981 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3982 got-relative addressing for anything but SImode.
3984 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3985 even if the calling function doesn't modify them.
3987 2006-04-05 Richard Guenther <rguenther@suse.de>
3989 PR tree-optimization/26919
3990 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3991 to cgraph_estimate_size_after_inlining.
3993 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3995 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3997 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3999 PR tree-optimization/26996
4000 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4001 VECTOR_TYPE variables.
4003 2006-04-05 Richard Guenther <rguenther@suse.de>
4005 PR tree-optimization/26763
4006 * fold-const.c (fold_comparison): Move folding of
4007 PTR + CST CMP PTR + CST ...
4008 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4010 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4012 * doc/install.texi (Prerequisites): Refine some wording on
4013 bootstrapping and ksh.
4014 Move the version numbers of DejaGnu here from the testing section
4015 and fix casing of names.
4016 Fix markup and clarify wording for autogen requirements.
4017 Refer to GCJ instead of just java.
4018 Refer to SVN instead of CVS.
4019 Describe diffutils as useful instead of necessary.
4020 (Downloading the source): Refer to SVN instead of CVS.
4021 Adjust a link to our web site accordingly.
4022 (Configuration): Fix casing of Bison.
4023 (Building): Refer to SVN instead of CVS.
4024 Fix a sentence on the use of Bison and remove duplicate (and
4025 incorrect) version number of Bison requirement.
4026 Remove one redundant list of packages needed for building.
4027 (Specific): Avoid reference to CVS.
4029 2006-04-04 Eric Christopher <echristo@apple.com>
4031 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4032 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4033 (rs6000_handle_struct_attribute): New.
4034 (rs6000_ms_bitfield_layout_p): Ditto.
4036 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4038 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4039 NULL for dso parameter to atexit_common.
4041 2006-04-04 Eric Christopher <echristo@apple.com>
4043 * config/i386/i386.c (machopic_output_stub): Output \t
4044 between instructions and operands.
4046 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4048 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4049 satisfies_constraint_[IL] to explicit tests on value.
4051 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4053 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4054 set_nb_iterations_in_loop): Use build_int_cst instead of
4056 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4057 build_int_cst instead of convert.
4059 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4061 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4062 new value 2 for incoming.
4063 * function.c (expand_function_start): Call struct_value_rtx
4065 * config/sparc/sparc.md: Comment updated_return.
4066 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4067 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4068 struct return if sparc_std_struct_return and incoming is 2.
4069 (print_operand): Do not adjust return if
4070 sparc_std_struct_return.
4072 2006-04-04 Roger Sayle <roger@eyesopen.com>
4074 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4075 convert in the middle-end.
4076 * expr.c (store_expr, store_constructor, get_inner_reference,
4077 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4079 * tree.c (build_range_type): Likewise.
4081 2006-04-04 Tom Tromey <tromey@redhat.com>
4083 * doc/install.texi (Prerequisites): Mention jar.
4085 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4087 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4090 2006-04-04 Matthias Klose <doko@debian.org>
4092 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4093 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4096 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4098 * doc/extend.texi (Function Attributes): Rewrite visibility
4099 attribute documentation.
4100 * doc/invoke.texi (C++ Dialect Options): Rewrite
4101 -fvisibility-inlines-hidden documentation to describe something
4102 entirely different, although in practise compatible.
4103 (Code Gen Options): Warn about system headers in -fvisibility=
4106 * doc/extend.texi (Other Builtins): Document that
4107 __builtin_nan is a compile-time constant only when its argument
4110 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4112 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4113 trying to remove TRUNCATE check if all bits outside the new mode
4114 are identical to the sign bit.
4116 2006-04-03 Jeff Law <law@redhat.com>
4118 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4119 and operand scanning in some common cases.
4121 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4122 Dale Johannesen <dalej@apple.com>
4125 * regclass.c (struct reg_pref): Update documentation.
4126 (regclass): Set prefclass to NO_REGS if memory is the best option.
4127 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4128 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4129 into account. For non-registers, equate an empty preferred
4130 reload class to a `!' in the constraint; move the if clause to
4131 do so after those that reject the insn.
4132 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4134 (find_dummy_reload): Likewise.
4135 * doc/tm.texi (Register Classes): Document what it means
4136 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4137 * config/i386/i386.c (ix86_preferred_reload_class): Force
4138 using SSE registers (and return NO_REGS for floating-point
4139 constants) if math is done with SSE.
4140 (ix86_preferred_output_reload_class): New.
4141 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4142 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4143 * config/i386/i386.md: Remove # register preferences.
4145 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4148 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4149 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4150 the type of nb_iter.
4151 (instantiate_parameters_1): Convert the operands before calling
4152 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4153 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4155 2006-04-02 Roger Sayle <roger@eyesopen.com>
4157 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4158 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4160 * dojump.c (do_jump): Likewise.
4161 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4162 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4163 gimplify_boolean_expr): Likewise.
4164 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4165 * varasm.c (array_size_for_constructor): Likewise.
4166 * tree-object-size.c (compute_object_offset): Likewise.
4168 2006-04-02 Roger Sayle <roger@eyesopen.com>
4171 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4172 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4174 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4176 PR tree-optimization/26939
4177 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4179 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4181 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4182 at_stmt. Convert the type of operands before calling
4183 build_polynomial_chrec.
4184 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4186 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4187 (instantiate_parameters_1): Convert the type of operands before calling
4188 build_polynomial_chrec.
4189 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4190 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4191 reset_evolution_in_loop): Insert asserts to check the types of the
4193 (chrec_type): Moved...
4194 (eq_evolutions_p): Use operand_equal_p.
4195 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4196 the types of the operands.
4197 (chrec_type): ...here.
4198 * tree-data-ref.c (create_data_ref): Convert the operands before
4199 calling chrec_replace_initial_condition.
4200 (same_access_functions, analyze_subscript_affine_affine,
4201 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4202 (compute_subscript_distance, analyze_ziv_subscript,
4203 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4204 analyze_miv_subscript): Convert the operands before calling
4205 chrec_fold_minus or chrec_fold_plus.
4207 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4209 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4210 the dependence_relations vector.
4211 (compute_data_dependences_for_loop): Adjust call to
4212 compute_all_dependences.
4214 2006-04-01 Roger Sayle <roger@eyesopen.com>
4215 Richard Henderson <rth@redhat.com>
4217 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4218 gimple_boolify on the condition before calling gimplify_expr.
4220 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4222 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4223 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4224 the frame size. Update to use the new macros.
4225 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4226 * config/xtensa/ieee754-df.S: Likewise.
4228 2006-03-31 Richard Henderson <rth@redhat.com>
4230 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4231 (make_edges): ... here. Control fallthru creation with a local
4232 variable. Do not play with fake edges.
4233 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4234 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4237 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4239 * dwarf2.h (DW64_CIE_ID): Define.
4240 * dwarf2out.c (DWARF_CIE_ID): Define.
4241 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4242 length header. Use DWARF_CIE_ID.
4243 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4244 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4246 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4248 * config/sh/linux-atomic.asm: New file.
4249 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4251 2006-03-31 DJ Delorie <dj@redhat.com>
4253 * config/m32c/cond.md: Set condition flags properly throughout.
4254 * config/m32c/minmax.md: Likewise.
4255 * config/m32c/prologue.md: Likewise.
4256 * config/m32c/bitops.md: Likewise.
4257 * config/m32c/muldiv.md: Likewise.
4258 * config/m32c/mov.md: Likewise.
4259 * config/m32c/addsub.md: Likewise.
4260 * config/m32c/m32c.md: Likewise.
4261 * config/m32c/jump.md: Likewise.
4262 * config/m32c/shift.md: Likewise.
4264 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4265 conditionally output the pattern for this.
4266 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4267 (m32c_compare_redundant): New.
4268 (m32c_output_compare): New.
4269 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4271 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4272 dest, not src. Allow other 4-byte modes.
4274 2006-03-30 Denis Chertykov <denisc@overta.ru>
4276 * doc/md.texi: Refer to avr/constraints.md instead of
4279 2006-03-30 Roger Sayle <roger@eyesopen.com>
4281 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4282 signed vs. unsigned comparison failures on some hosts.
4284 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4287 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4288 change to FLOAT_REGS.
4290 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4291 (rs6000_override_options): Use it.
4292 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4293 only for -mabi=spe/no-spe and -mabi=altivec.
4295 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4297 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4300 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4302 * Makefile.in: Rename docdir to gcc_docdir.
4304 2006-03-30 Roger Sayle <roger@eyesopen.com>
4307 * expr.c (emit_group_store): Optimize group stores into a pseudo
4308 register by using a paradoxical subreg to initialize the destination
4309 if the first or last member of the group specifies a "low part".
4311 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4314 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4315 * target.h (struct gcc_target.speculate_insn): Change type of the
4316 second parameter to 'int'.
4317 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4318 the second operand of the DEPS_LIST.
4319 (copy_DEPS_LIST_list): Update reference to the second operand of the
4321 * rtl.h (alloc_DEPS_LIST): Update signature.
4322 * sched-int.h (ds_t): Change typedef to 'int'.
4323 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4325 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4327 * haifa-sched.c (try_ready): Change condition to restore
4328 non-speculative pattern of the instruction.
4329 (process_insn_depend_be_in_spec): Code to keep probability of the
4330 speculative dependence non-decreasing.
4332 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4334 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4335 (single_move_for_movmem): ... this. Also change all uses.
4336 (bfin_expand_strmov): Renamed to...
4337 (bfin_expand_movmem): ... this. Also change all uses.
4338 * config/bfin/bfin.md (movstrsi): Renamed to...
4339 (movstrsi): ...this.
4341 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4343 PR tree-optimization/26830
4345 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4346 (copy_prop_visit_stmt): Remove write-only variable ann.
4347 (init_copy_prop): Check variable loop depth here. Do not simulate
4348 memory-tag and virtual operand PHIs except for store copy prop.
4350 2006-03-30 Richard Guenther <rguenther@suse.de>
4352 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4353 variants with double arguments.
4355 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4357 * genpreds.c (write_tm_constrs_h): Delete variable p.
4358 * genconditions.c (write_header): Add tm-constrs.h to included
4360 * genpeep.c (main): Add toplev.h to included headers.
4361 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4362 (build/genpeep.o): Add toplev.h dependency.
4363 * config/rs6000/constraints.md: Add "W" constraint.
4365 2006-03-29 Roger Sayle <roger@eyesopen.com>
4367 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4368 sizes by correctly testing whether the size fits a host integer.
4369 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4370 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4371 SImode range for the default sizetype and bitsizetype.
4373 2006-03-29 Roger Sayle <roger@eyesopen.com>
4375 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4376 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4377 quickly if the argument is already of the correct type.
4378 Call fold_build1 instead of build1. Tidy up blank lines.
4380 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4382 * genemit.c (main): Add tm-constrs.h to included headers.
4383 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4384 * genpeep.c (main): Add tm-constrs.h to included headers.
4385 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4386 (write_tm_constrs_h): this and write complete file.
4387 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4388 (write_insn_preds_c): Add tm-constrs.h to included headers.
4389 (gen_constrs): New variable.
4390 (parse_option): Parse "-c".
4391 (main): Invoke write_tm_constrs_h.
4392 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4393 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4394 (object_out_file): Add tm-constrs.h dependency.
4395 (insn-emit.o): Same.
4396 (insn-output.o): Same.
4397 (insn-peep.o): Same.
4398 (insn-preds.o): Same.
4399 (insn-recog.o): Same.
4400 (tm-constsr.h): New target.
4401 (s-constrs-h): New target.
4403 * config/rs6000/constraints.md: New file.
4404 * config/rs6000/rs6000.c: Include tm-constrs.h.
4405 (num_insn_constant_wide): Convert to satisfies_constraint.
4406 (rs6000_rtx_costs): Convert to satisfies_constraint.
4407 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4408 (CONST_OK_FOR_LETTER_P): Delete.
4409 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4410 (EXTRA_CONSTRAINT): Delete.
4411 (EXTRA_MEMORY_CONSTRAINT): Delete.
4412 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4413 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4414 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4415 satisfies_constraint.
4417 * config/i386/i386.c: Include tm-constrs.h.
4419 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4421 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4422 * tree-data-ref.c (find_data_references_in_loop,
4423 compute_data_dependences_for_loop): Use pointers to VEC.
4424 (analyze_all_data_dependences): Adjust calls.
4425 * tree-data-ref.h (find_data_references_in_loop,
4426 compute_data_dependences_for_loop): Adjust declarations.
4427 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4428 compute_data_dependences_for_loop.
4430 2006-03-29 Paul Brook <paul@codesourcery.com>
4432 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4435 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4437 PR tree-optimization/26859
4438 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4440 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4441 for the step after fold_convert.
4443 2006-03-29 Paul Brook <paul@codesourcery.com>
4445 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4446 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4448 2006-03-29 Paul Brook <paul@codesourcery.com>
4451 * targhooks.c (default_narrow_bitfield): New fuction.
4452 * targhooks.h (default_narrow_bitfield): add prototype.
4453 * target.h (gcc_target): Add narrow_volatile_bitfield.
4454 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4455 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4456 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4457 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4459 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4461 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4463 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4464 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4465 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4466 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4467 (s390_function_arg_float): Allow SDmode and DDmode values to be
4468 passed in floating point registers.
4469 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4470 check with SCALAR_FLOAT_MODE_P.
4471 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4473 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4475 PR tree-optimization/25985
4476 * tree-ssa-loop-niter.c (number_of_iterations_le,
4477 number_of_iterations_ne): Make comments more precise.
4478 (number_of_iterations_cond): Add only_exit argument. Use the
4479 fact that signed variables do not overflow only when only_exit
4481 (loop_only_exit_p): New.
4482 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4483 number_of_iterations_cond.
4485 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4487 PR tree-optimization/26643
4488 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4491 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4493 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4494 (divsi3_i4_int): Likewise.
4496 2006-03-28 Roger Sayle <roger@eyesopen.com>
4498 * expr.c (emit_group_store): Only create a new pseudo reg if the
4499 quantity it needs to hold isn't already a suitable pseudo.
4501 2006-03-28 Jeff Law <law@redhat.com>
4503 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4504 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4506 2006-03-28 Roger Sayle <roger@eyesopen.com>
4508 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4509 the equivalent ~X & Y, and the symmetry related transformations.
4510 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4511 ~X & Y, and symmetry related transforms.
4513 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4515 Revert my 2006-03-27 patches.
4517 2006-03-28 Roger Sayle <roger@eyesopen.com>
4519 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4520 ~(T1)X, when T1 and T2 are integer types of the same precision
4521 and (T2)X isn't an extension.
4523 2006-03-28 Jeff Law <law@redhat.com>
4525 PR tree-optimization/26796
4526 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4527 need EH edge cleanups rather than purging them immediately.
4528 (eliminate_degenerate_phis): Handle queued EH cleanups.
4530 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4532 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4535 2006-03-27 Roger Sayle <roger@eyesopen.com>
4538 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4539 cast BIT_NOT_EXPR operand to the correct type.
4541 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4543 * tree-loop-linear.c: Don't include varray.h.
4544 (gather_interchange_stats, try_interchange_loops,
4545 linear_transform_loops): Use VEC instead of VARRAY.
4546 * lambda-mat.c: Don't include varray.h.
4547 * tree-chrec.c: Same.
4548 * lambda-trans.c: Same.
4549 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4550 VEC instead of VARRAY.
4551 * tree-vectorizer.h: Idem.
4552 * tree-data-ref.c (dump_data_references,
4553 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4554 initialize_data_dependence_relation, finalize_ddr_dependent,
4555 compute_all_dependences, find_data_references_in_loop,
4556 compute_data_dependences_for_loop, analyze_all_data_dependences,
4557 free_dependence_relation, free_dependence_relations,
4558 free_data_refs): Idem.
4559 * tree-data-ref.h (data_reference_p, subscript_p): New.
4560 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4561 VEC instead of VARRAY.
4562 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4563 (find_data_references_in_loop, compute_data_dependences_for_loop,
4564 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4565 dump_data_dependence_relations, free_dependence_relations,
4566 free_data_refs): Adjust declaration.
4567 (lambda_transform_legal_p): Move declaration here...
4568 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4569 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4570 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4571 vect_analyze_data_refs): Use VEC instead of VARRAY.
4572 * lambda.h (lambda_transform_legal_p): ...from here.
4573 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4574 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4575 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4576 tree-chrec.o): Don't depend on VARRAY_H.
4578 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4580 * rtl.def (Copyright): Update date.
4581 (DEPS_LIST): Change type of the second operand to 'int'.
4582 * target.h (Copyright): Update date.
4583 (struct gcc_target.speculate_insn): Change type of the second parameter
4585 * lists.c (Copyright): Update date.
4586 (alloc_DEPS_LIST): Change signature. Update reference to the second
4587 operand of the DEPS_LIST.
4588 (copy_DEPS_LIST_list): Update reference to the second operand of the
4590 * rtl.h (Copyright): Update date.
4591 (alloc_DEPS_LIST): Update signature.
4592 * sched-int.h (Copyright): Update date.
4593 (ds_t): Change typedef to 'int'.
4594 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4596 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4598 * haifa-sched.c (Copyright): Update date.
4599 (try_ready): Change condition to restore non-speculative pattern
4601 (process_insn_depend_be_in_spec): Code to keep probability of the
4602 speculative dependence non-decreasing.
4604 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4606 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4607 shut up the compiler.
4609 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4611 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4612 to use lib prefix for target.
4613 ($(T)libic_invalidate_array_4-200.a): Likewise.
4614 ($(T)libic_invalidate_array_4a.a): Likewise.
4616 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4617 J"orn Rennecke <joern.rennecke@st.com>
4619 * superh.opt: New file.
4620 * sh.c (boardtype, osruntime): Remove.
4621 * superh.h (SUBTARGET_OPTIONS): Remove.
4622 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4624 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4625 arguments with ^ and/or [].
4627 * config.gcc (sh-*-*): Add quoting to account for quirk of
4629 Replace == with = in enable_incomplete_targets test.
4631 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4632 with MASK_LITTLE_ENDIAN.
4634 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4635 * config/sh/sh.opt: Added to some comments.
4636 * config/sh/superh.h: Removed some chaff.
4638 * config/sh/sh.opt: Add m4-[1234]00* options.
4639 * config/sh/sh.c (sh_handle_option): Likewise.
4640 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4641 (ic_invalidate_array_4-100.o): New rule.
4642 ($(T)libic_invalidate_array_4-100.a): Likewise.
4643 (ic_invalidate_array_4-200.o): Likewise.
4644 ($(T)libic_invalidate_array_4-200.a): Likewise.
4645 (ic_invalidate_array_4a.o): Likewise.
4646 ($(T)libic_invalidate_array_4a.a): Likewise.
4647 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4648 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4650 * config/sh/crt1.asm: Merged in profiling code.
4651 * config/sh/superh.h (STARTFILE_SPEC): Override.
4652 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4653 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4654 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4656 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4657 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4658 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4660 * sh.opt (mpretend-cmove): New option.
4661 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4662 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4663 (movsicc): Add TARGET_PRETEND_CMOVE code.
4665 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4667 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4668 s390_class_max_nregs): New function prototypes.
4669 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4670 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4671 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4672 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4674 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4676 * dwarf2out.c (add_location_or_const_value_attribute): Call
4677 tree_add_const_value_attribute if nothing else works.
4678 (reference_to_unused): New.
4679 (rtl_for_decl_init): Use reference_to_unused to decide whether
4680 to output an initializer.
4682 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4685 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4686 peephole removing spe frob_di_df_2.
4688 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4690 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4691 (subscript_dependence_tester_1): Declared.
4692 (print_dir_vectors, print_dist_vectors): New.
4693 (debug_data_dependence_relation): New.
4694 (dump_data_dependence_relation): Print more details.
4695 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4696 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4697 (save_dist_v, save_dir_v, add_outer_distances,
4698 build_classic_dist_vector_1): New.
4699 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4700 Don't test for lambda_vector_lexico_pos.
4701 (same_access_functions, add_multivariate_self_dist,
4702 add_other_self_distances, dir_from_dist): New.
4703 (build_classic_dir_vector): Replace implementation almost identical to
4704 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4706 (subscript_dependence_tester_1): New.
4707 (subscript_dependence_tester): Handle the lexicographically negative
4708 distance vectors by recomputing the dependence relation.
4709 (compute_affine_dependence): Remove parameter loop_nest_depth.
4710 (compute_self_dependence): Don't call compute_subscript_distance.
4711 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4712 Add a parameter for the loop_nest.
4713 (find_loop_nest_1, find_loop_nest): New.
4714 (compute_data_dependences_for_loop): Compute the loop nest, and give
4715 up if the nest is not well formed.
4716 * tree-data-ref.h (loop_p): New.
4717 (struct data_dependence_relation): Replace size_vect field with
4718 loop_nest, a vec of loops.
4719 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4720 (DDR_LOOP_NEST): New.
4721 (print_dir_vectors, print_dist_vectors,
4722 debug_data_dependence_relation): Declared.
4723 (index_in_loop_nest): New.
4724 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4725 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4728 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4730 * simplify-rtx.c (simplify_relational_operation): Call
4731 simplify_relational_operation_1 even if mode is VOIDmode.
4733 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4735 PR tree-optimization/26804
4736 * tree.h (DECL_CALL_CLOBBERED): New macro.
4737 (tree_decl_common): Add call_clobbered_flag.
4738 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4739 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4740 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4741 (mark_non_addressable): Ditto.
4742 * tree-ssa.c (verify_call_clobbered): New function.
4743 (verify_alias_info): Use it.
4744 * tree-pass.h (pass_reset_cc_flags): New prototype.
4745 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4746 (reset_cc_flags): New function.
4747 * passes.c (init_optimization_passes): Call reset_cc_flags after
4748 initializing referenced_vars.
4750 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4751 Roger Sayle <roger@eyesopen.com>
4754 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4755 to 1.0 for non-real operands. Implement A / A optimization for
4758 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4760 * config/i386/i386.c (size_cost): Correct the comment for
4761 cost of storing fp registers.
4762 (i386_cost): Likewise.
4763 (i486_cost): Likewise.
4764 (pentium_cost): Likewise.
4765 (pentiumpro_cost): Likewise.
4766 (k6_cost): Likewise.
4767 (athlon_cost): Likewise.
4768 (k8_cost): Likewise.
4769 (pentium4_cost): Likewise.
4770 (nocona_cost): Likewise.
4771 (generic64_cost): Likewise.
4772 (generic32_cost): Likewise.
4774 2006-03-24 Denis Chertykov <denisc@overta.ru>
4776 * config/avr/avr-protos.h (extra_constraint): Delete.
4777 (extra_constraint_Q): New declaration.
4778 * config/avr/constraints.md: New file.
4779 * config/avr/avr.md: Include it.
4780 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4781 (TMP_REGNO, ZERO_REGNO): Likewise.
4782 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4783 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4784 (extra_constraint): Delete.
4785 (extra_constraint_Q): Test for memory constraint 'Q'.
4786 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4787 (REG_CLASS_FROM_LETTER): Delete.
4788 (CONST_OK_FOR_LETTER_P): Delete.
4789 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4790 (EXTRA_CONSTRAINT): Delete.
4791 (TMP_REGNO): Delete.
4792 (ZERO_REGNO): Delete.
4794 2006-03-24 Jeff Law <law@redhat.com>
4796 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4797 directly. Call mark_new_vars_to_rename slightly earlier.
4799 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4801 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4803 (gen_compile_unit_die): Use new language types for Objective-C and
4805 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4806 DW_LANG_C_plus_plus.
4809 * config/t-darwin (crt3.o): Work around bug 26840.
4810 * config/darwin-crt3.c: Rewrite.
4811 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4813 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4815 * doc/invoke.texi: Document -femit-class-debug-always
4816 * common.opt: Add -femit-class-debug-always.
4818 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4820 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4821 index and base register.
4822 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4823 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4824 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4825 REGNO_OK_FOR_INDEX_P.
4826 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4828 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4829 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4830 REG_OK_FOR_BASE_P): Definitions removed.
4832 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4835 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4836 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4837 set yet or weren't marked as local yet.
4839 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4841 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4844 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4846 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4847 (rs6000_legitimate_small_data_p): Delete.
4848 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4849 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4850 and make static. Add forward declaration. Update uses.
4851 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4852 of offsettable_memref_p.
4853 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4854 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4856 2006-03-24 Jeff Law <law@redhat.com>
4858 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4859 around bug in immediate-use iterator.
4861 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4864 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4865 or __LITTLE_ENDIAN__.
4867 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4869 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4870 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4871 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4872 * config/sh/sh.opt (mdiv=): Amend description.
4873 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4874 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4875 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4876 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4877 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4878 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4879 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4880 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4881 TARGET_DIVIDE_CALL_FP.
4883 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4885 * haifa-sched.c (choose_ready): Fix type of the local variable.
4886 Move local variables. Add comment.
4887 (check_reg_live): Change signature. Make callable from debugger.
4888 * sched-int.h (check_reg_live): Update signature.
4889 * sched-ebb.c (check_reg_live): Update parameters.
4890 * sched-rgn.c (check_reg_live): Ditto.
4891 (region_head_or_leaf_p): Check pointer before dereferencing.
4892 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4893 before reload on optimization levels below 1.
4895 2006-03-23 Richard Henderson <rth@redhat.com>
4897 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4901 * config/alpha/predicates.md (local_symbolic_operand): Reject
4904 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4907 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4908 expressions which have overflowed constants.
4910 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4912 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4914 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4916 * cfgloopmanip.c (create_loop_notes): Removed.
4917 * final.c (final_scan_insn): Do not handle loop notes.
4918 * jump.c (squeeze_notes): Ditto.
4919 * cfglayout.c (skip_insns_after_block,
4920 duplicate_insn_chain): Ditto.
4921 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4923 * cfgloop.h (create_loop_notes): Declaration removed.
4925 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4927 * varasm.c (output_constant_pool): Restore fnname and fndecl
4929 (assemble_start_function): Adjust call accordingly.
4930 (assemble_end_function): Likewise.
4932 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4935 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4938 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4940 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4943 * system.h (ICE_EXIT_CODE): New macro.
4944 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4945 (diagnostic_action_after_output): Likewise.
4946 * gcc.c (fatal_ice): New function.
4947 (execute): Use it instead of fatal.
4948 (fancy_abort): Likewise.
4949 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4951 2006-03-22 Jeff Law <law@redhat.com>
4953 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4954 iv_analyze_result returning false.
4956 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4958 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4960 2006-03-22 Richard Henderson <rth@redhat.com>
4963 * except.c (duplicate_eh_regions_0): New.
4964 (duplicate_eh_region_1): Duplicate the children of the node as
4965 well as the node itself. Link them up properly.
4966 (duplicate_eh_region_2): Merge into ...
4967 (duplicate_eh_regions): ... here. Take copy_region argument, and
4968 copy only a sub-tree if asked. Simplify copying and fixup.
4969 (eh_region_outer_p): New.
4970 * except.h (duplicate_eh_regions): Update decl.
4971 (eh_region_outer_p): Declare.
4972 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4973 (lower_omp_master): Likewise.
4974 (lower_omp_ordered): Likewise.
4975 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4976 (move_stmt_r): Use it to remap labels. Handle recursion vs
4977 remap_decls_p properly.
4978 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4979 (find_outermost_region_in_block): New.
4980 (new_label_mapper): New.
4981 (move_sese_region_to_fn): Copy eh information to the new function
4983 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4985 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4988 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4990 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4991 into shared libraries.
4993 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4995 * doc/md.texi: Refer to i386/constraints.md instead of
4997 * config/i386/constraints.md: New file, extracted from...
4998 * config/i386/predicates.md: ...here.
4999 * config/i386/i386.md: Include constraints.md.
5001 2006-03-21 Jason Merrill <jason@redhat.com>
5003 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5006 * expr.c (init_block_move_fn): Force default visibility.
5007 (init_block_clear_fn): Likewise.
5008 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5009 * targhooks.c (default_external_stack_protect_fail): Likewise.
5011 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5013 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5014 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5015 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5016 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5017 (loadgp): Use mips_current_loadgp_style.
5018 (loadgp_noshared): New pattern.
5019 (sibcall_internal): Use MIPS_CALL.
5020 (sibcall_value_internal): Likewise.
5021 (sibcall_value_multiple_internal): Likewise.
5022 (call_internal): Likewise.
5023 (call_value_internal): Likewise.
5024 (call_value_multiple_internal): Likewise.
5025 (call_split): Use MIPS_CALL and add an 'S' constraint.
5026 (call_value_split): Likewise.
5027 (call_value_multiple_split): Likewise.
5028 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5029 (-mshared): New option.
5030 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5031 (mips_current_loadgp_style): Declare.
5032 * config/mips/mips.c (mips_classify_symbol): Avoid using
5033 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5034 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5035 TARGET_ABSOLUTE_ABICALLS.
5036 (override_options): Adjust comments. Improve the warning that is
5037 issued when -mabicalls and -G are used together.
5038 (mips_file_start): Remove comment.
5039 (mips_current_loadgp_style): New function.
5040 (mips_gnu_local_gp): New variable.
5041 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5043 (mips_output_function_prologue): Use mips_current_laodgp_style.
5044 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5045 the cprestore instruction.
5046 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5047 live for TARGET_ABSOLUTE_ABICALLS.
5048 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5049 (ASM_SPEC): Pass down -mshared and -mno-shared.
5050 (MIPS_CALL): New macro.
5051 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5053 * doc/invoke.texi (-mabicalls): Update documentation.
5054 (-mshared): Document.
5056 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5058 * config/ia64/unwind-hpux.c: New file.
5059 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5061 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5064 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5066 2006-03-21 Jeff Law <law@redhat.com>
5068 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5069 type conversions of a VR_VARYING source to a wider type.
5071 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5073 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5074 tm_file on Solaris 10 and later.
5075 (sparc64-*-solaris2*): Likewise.
5076 (sparc-*-solaris2*): Likewise.
5077 * config/sol26.h: Rename to config/sol2-6.h.
5078 * config/sol2-10.h: New file.
5080 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5083 * tree-ssa-pre.c (create_component_ref_by_pieces):
5086 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5089 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5090 return it immediately.
5092 2006-03-21 Michael Matz <matz@suse.de>
5094 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5096 (remove_arc, add_arc): Update num_out_arcs member.
5097 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5099 (cache_presence): New function.
5100 (compare_states_for_equiv): New function.
5101 (state_is_differed): Don't take number of outargs, adjust callers.
5102 Use new invariant for speeding up.
5103 (init_equiv_class): Create initial classes based on sorted
5105 (partition_equiv_class): Don't track out_arcs_num.
5106 (evaluate_equiv_classes): Call cache_presence on all states and
5109 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5111 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5112 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5113 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5114 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5116 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5117 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5118 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5119 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5120 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5122 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5123 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5124 (REGNO_REG_CLASS): ARGP is in PREGS.
5125 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5127 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5128 to deal with those addresses.
5129 * addresses.h: New file.
5130 * caller-save.c: Include "addresses.h".
5131 (init_caller_save): Use new base_reg_class function.
5132 * rtl-factoring.c: Include "addresses.h".
5133 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5134 * recog.c: Include "addresses.h".
5135 (preprocess_constraints): Use new base_reg_class function.
5136 * regrename.c: Include "addresses.h".
5137 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5138 functions. Keep track of a new var INDEX_CODE to compute valid
5140 (replace_oldest_value_addr): Likewise.
5141 (replace_oldest_value_mem): Use base_reg_class.
5142 * reload.c: Include "addresses.h".
5143 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5144 (find_reloads): Use new base_reg_class function.
5145 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5146 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5147 all callers and prototype changed.
5148 * reload1.c: Include "addresses.h".
5149 (maybe_fix_stack_asms): Use base_reg_class.
5150 * regclass.c: Include "addresses.h".
5151 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5152 (init_reg_autoinc): Use new base_reg_class function.
5153 (record_reg_classes): Likewise.
5154 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5155 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5156 Use new args to compute necessary class.
5158 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5159 regrename.o, rtl-factoring.o): Update dependencies.
5160 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5161 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5162 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5163 REG_OK_FOR_INDEX_P): Delete documentation.
5165 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5167 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5168 from V7 to V9 for Solaris 7 and above.
5170 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5172 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5173 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5174 argument pointers may not alias any other storage.
5175 * common.opt: Define option -fargument-noalias-anything.
5176 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5177 alias semantics is specified by flag_argument_noalias > 2.
5179 2006-03-20 Jeff Law <law@redhat.com>
5181 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5182 (pass_phi_only_cprop): Declare.
5183 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5185 * tree-ssa-dom.c (degenerate_phi_result): New function.
5186 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5187 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5188 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5189 (eliminate_degenerate_phis): Likewise.
5190 (pass_phi_only_cprop): New pass descriptor.
5191 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5192 support code. Callers updated.
5193 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5194 (store_copy_prop): Likewise.
5195 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5197 2006-03-20 Jason Merrill <jason@redhat.com>
5200 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5201 (push_visibility, pop_visibility): Likewise.
5202 * c-pragma.h: Declare them.
5204 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5206 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5208 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5209 parameter and use get_ebb_head_tail.
5210 (sh_md_init_global): Adjust uses of find_regmode_weight.
5212 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5214 * function.h (struct function) <x_tail_recursion_reentry>:
5215 Rename to x_stack_check_probe_note.
5216 (tail_recursion_reentry): Rename to stack_check_probe_note.
5217 * function.c: Replace tail_recursion_reentry with
5218 stack_check_probe_note everywhere.
5219 (expand_function_start): Only emit a note for
5220 stack_check_probe_note with -fstack-protect.
5221 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5223 * emit-rtl.c (remove_unnecessary_notes): Remove.
5224 (pass_remove_unnecessary_notes): Remove.
5225 * rtl.h (remove_unnecessary_notes): Remove prototype.
5226 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5227 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5228 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5230 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5233 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5234 (valid_in_set): Handle ARRAY_REF.
5235 Change "if min_variant or VH" to asserts.
5236 (create_component_ref_by_pieces): Handle ARRAY_REF.
5237 (create_expression_by_pieces): Likewise.
5238 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5240 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5242 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5243 is operand of switch, not str[0].
5245 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5247 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5248 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5250 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5252 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5253 end of insn_extra_address_constraint declaration.
5255 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5257 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5258 (no-sum-in-toc): Same.
5259 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5261 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5262 NO_FP_IN_TOC for -fPIC instead of mask.
5264 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5265 (BOOT_LDFLAGS): Delete.
5267 * config/rs6000/t-aix52: Same.
5269 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5270 (stmsi[345678]_power): New.
5272 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5274 * config/ia64/ia64.opt: Add empty line to end of file.
5276 2006-03-17 Richard Guenther <rguenther@suse.de>
5279 * builtins.c (get_pointer_alignment): For component style references
5280 adjust alignment to the component type alignment. Make sure
5281 to adjust alignment for component access of constants.
5283 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5285 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5288 2006-03-17 Paul Brook <paul@codesourcery.com>
5290 * doc/install.texi: Docuemnt --with-mode.
5291 * config.gcc: Add --with-mode for arm*-*-*.
5292 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5294 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5296 * sh.c (max_labelno_before_reorg): New variable.
5297 (sh_reorg): Initialize it.
5298 (find_barrier): Check max_labelno_before_reorg before using
5299 label_to_alignment. Take length of explicit alignment insns
5300 into account. When seeing a UNSPECV_CONST_END, return it.
5302 * sh.c (fixup_mova): Set mode of affected label to QImode.
5303 (untangle_mova): New function.
5304 (find_barrier): Use it. Check mode of label before decrementing
5306 (sh_reorg): Likewise.
5307 Set mode of all insns back to VOIDmode.
5309 * sh.c (MOVA_LABELREF): New macro.
5310 (mova_p, fixup_mova, sh_reorg): Use it.
5311 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5312 ADDR_DIFF_VEC matches mova.
5314 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5316 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5317 with ATTRIBUTE_UNUSED.
5319 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5321 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5322 pointer, instead of assuming it is possible to derive the
5323 correct args size from a call insn.
5325 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5327 * rtl.h (CONST_INT_P): Define.
5328 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5329 instead of GET_CODE(x) == CONST_INT.
5330 (vax_rtx_costs): Likewise.
5331 (vax_output_int_move): Likewise.
5332 (vax_output_int_add): Likewise.
5333 (legitimate_constant_address_p): Likewise.
5334 (index_term_p): Likewise.
5335 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5336 * config/vax/vax.md (and<mode>3): Likewise.
5337 (ashrsi3): Likewise.
5339 (movstricthi): Likewise.
5340 (movstrictqi): Likewise.
5341 (rotrsi3): Likewise.
5342 (five unnamed insns): Likewise.
5344 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5346 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5347 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5348 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5349 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5350 Pass to ASM_OUTPUT_DWARF_OFFSET.
5351 * dwarf2out.c (debug_frame_section): New.
5352 (output_call_frame_info): Use debug_frame_section. Pass it to
5353 dw2_asm_output_offset.
5354 (output_die): Pass appropriate section to dw2_asm_output_offset.
5355 (output_compilation_unit_header): Likewise.
5356 (output_pubnames): Likewise.
5357 (output_aranges): Likewise.
5358 (enum dw_val_class): Break dw_val_class_lbl_offset into
5359 dw_val_class_lineptr and dw_val_class_macptr.
5360 (add_AT_lbl_offset): Delete.
5361 (add_AT_lineptr): New.
5362 (add_AT_macptr): New.
5363 (AT_lbl): Expect a lineptr or macptr.
5364 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5365 (attr_checksum): Likewise.
5366 (same_dw_val_p): Likewise.
5367 (size_of_die): Likewise.
5368 (value_format): Likewise.
5369 (output_die): Likewise.
5370 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5372 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5373 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5374 * config/darwin-protos.h (darwin_file_start): New.
5375 (darwin_asm_output_dwarf_offset): New.
5376 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5377 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5379 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5380 if not EH section; simplify.
5381 (darwin_file_start): New.
5382 (darwin_asm_output_dwarf_offset): New.
5383 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5385 (DEBUG_INFO_SECTION): Likewise.
5386 (DEBUG_ABBREV_SECTION): Likewise.
5387 (DEBUG_ARANGES_SECTION): Likewise.
5388 (DEBUG_MACINFO_SECTION): Likewise.
5389 (DEBUG_LINE_SECTION): Likewise.
5390 (DEBUG_LOC_SECTION): Likewise.
5391 (DEBUG_PUBNAMES_SECTION): Likewise.
5392 (DEBUG_STR_SECTION): Likewise.
5393 (DEBUG_RANGES_SECTION): Likewise.
5394 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5395 (ASM_OUTPUT_DWARF_OFFSET): New.
5397 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5399 * config.gcc (tm_defines): Always add to previous value rather
5402 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5404 * config/mips/predicates.md (splittable_const_int_operand): New,
5405 split from move_operand.
5406 (splittable_symbolic_operand): New.
5407 (move_operand): Add commentary. Use splittable_const_int_operand.
5408 Inline mips_atomic_symbolic_constant_p.
5409 * config/mips/mips.md: Add combine splitters for handling moves
5410 of splittable_const_int_operands and splittable_symbolic_operands.
5411 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5412 (mips_split_symbol): Declare.
5413 (mips_move_integer): Declare.
5414 * config/mips/mips.c (mips_split_p): Make global.
5415 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5416 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5417 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5418 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5419 (mips_offset_within_object_p): Handle block symbols.
5420 (mips_atomic_symbolic_constant_p): Delete.
5421 (mips_cannot_force_const_mem): Return false for constants that
5422 mips_legitimize_move can handle.
5423 (mips_use_blocks_for_constant_p): New function.
5424 (mips_split_symbol): Make global.
5425 (mips_move_integer): Likewise. Add a temporary register argument.
5426 (mips_legitimize_const_move): Use splittable_const_int_operand and
5427 splittable_symbolic_operand.
5428 (mips_use_anchors_for_symbol_p): New function.
5429 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5430 (mips_split_p): Declare.
5432 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5434 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5435 (mips*-*-linux*): Likewise.
5437 2006-03-16 Roger Sayle <roger@eyesopen.com>
5438 Daniel Speyer <dspeyer@wam.umd.edu>
5441 * tree-dump.c (dump_real): New function.
5442 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5443 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5444 (tree-dump.o): Add $(REAL_H) to the dependencies.
5446 2006-03-16 Roger Sayle <roger@eyesopen.com>
5449 * real.c (real_from_string): If the mantissa is zero, don't bother
5450 parsing the exponent as the result should always be zero.
5452 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5454 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5456 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5458 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5459 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5460 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5461 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5462 ia64_sched_finish_global): New static functions to implement
5463 hooks from gcc_target.sched.
5464 (spec_check_no, max_uid, pending_data_specs): New static variables.
5465 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5466 ia64_spec_check_src_p): New static functions.
5467 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5468 (TARGET_SCHED_ADJUST_COST): Removed.
5469 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5470 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5471 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5472 TARGET_SCHED_GEN_CHECK,
5473 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5474 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5475 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5476 Fixed to handle speculation checks.
5477 (rtx_needs_barrier): Fixed to handle speculative loads and
5479 (ia64_variable_issue): Added code to count speculative loads and their
5481 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5483 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5485 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5487 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5488 (ia64_reorg): Reset stops_p to NULL after it is freed.
5489 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5490 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5491 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5493 (data_speculative, control_speculative, check_load): New attributes.
5494 (mov<mode>_advanced, mov<mode>_speculative,
5495 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5496 zero_extend<mode>di2_speculative,
5497 zero_extend<mode>di2_speculative_advanced): New patterns for
5498 data and control speculative loads.
5499 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5501 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5502 New pattern for data and control speculation checks.
5503 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5504 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5505 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5506 Auxiliary definitions for the patterns.
5507 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5508 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5510 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5512 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5513 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5514 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5515 New resource constraints.
5516 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5518 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5519 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5520 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5521 msched-in-control-spec, msched-ldc, msched-control-ldc,
5522 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5523 msched-prefer-non-control-spec-insns,
5524 msched-count-spec-in-critical-path): New flags to tune speculative
5526 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5527 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5528 msched-in-control-spec, msched-ldc, msched-control-ldc,
5529 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5530 msched-prefer-non-control-spec-insns,
5531 msched-count-spec-in-critical-path): Document new flags.
5533 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5535 * target.h (struct spec_info_def): New opaque declaration.
5536 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5537 speculate_insn, needs_block_p, gen_check,
5538 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5539 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5540 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5541 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5542 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5543 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5545 (TARGET_SCHED): Use new macros.
5546 * rtl.h (copy_DEPS_LIST_list): New prototype.
5547 * sched-int.h (struct sched_info): Change signature of new_ready field,
5548 adjust all initializations. New fields: add_remove_insn,
5549 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5550 region_head_or_leaf_p.
5551 (struct spec_info_def): New structure declaration.
5552 (spec_info_t): New typedef.
5553 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5554 recovery_block, orig_pat.
5555 (glat_start, glat_end): New variables declaraions.
5556 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5558 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5559 DETACH_LIFE_INFO, USE_GLAT.
5560 (enum SPEC_SCHED_FLAGS): New enumeration.
5561 (NOTE_NOTE_BB_P): New macro.
5562 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5563 attach_life_info, debug_spec_status, check_reg_live): New functions.
5564 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5565 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5567 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5568 * ddg.c (get_block_head_tail): Adjust all uses.
5569 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5570 (sms_sched_info): Initialize new fields.
5571 (contributes_to_priority): Removed.
5572 * haifa-sched.c (params.h): New include.
5573 (get_block_head_tail): Adjust all uses.
5574 (ISSUE_POINTS): New macro.
5575 (glat_start, glat_end): New global variables.
5576 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5577 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5578 old_last_basic_block, before_recovery, current_sched_info_var,
5579 rgn_n_insns, luid): New static variables.
5580 (insn_cost1): New function. Move logic from insn_cost to here.
5581 (find_insn_reg_weight1): New function. Move logic from
5582 find_insn_reg_weight to here.
5583 (reemit_notes, move_insn, max_issue): Change signature.
5584 (move_insn1): Removed.
5585 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5586 extend_bb): New static functions to support extension of scheduler's
5588 (generate_recovery_code, process_insn_depend_be_in_spec,
5589 begin_speculative_block, add_to_speculative_block,
5590 init_before_recovery, create_recovery_block, create_check_block_twin,
5591 fix_recovery_deps): New static functions to support
5592 generation of recovery code.
5593 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5594 restore_bb_notes, move_block_after_check, move_succs): New static
5595 functions to support ebb scheduling.
5596 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5597 functions to support handling of register live information.
5598 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5599 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5600 add_jump_dependencies): New static functions.
5601 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5602 consistancy checking.
5603 (debug_spec_status): New function to call from debugger.
5604 (priority): Added code to handle speculation checks.
5605 (rank_for_schedule): Added code to distinguish speculative instructions.
5606 (schedule_insn): Added code to handle speculation checks.
5607 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5608 Fixed to handle ebbs.
5609 (move_insn): Added code to handle ebb scheduling.
5610 (max_issue): Added code to use ISSUE_POINTS of instructions.
5611 (choose_ready): Added code to choose between speculative and
5612 non-speculative instructions.
5613 (schedule_block): Added code to handle ebb scheduling and scheduling of
5614 speculative instructions.
5615 (sched_init): Initialize new variables.
5616 (sched_finish): Free new variables. Print statistics.
5617 (try_ready): Added code to handle speculative instructions.
5618 * lists.c (copy_DEPS_LIST_list): New function.
5619 * sched-deps.c (extend_dependency_caches): New function. Move logic
5620 from create_dependency_caches to here.
5621 (get_dep_weak, ds_merge): Make global.
5622 * genattr.c (main): Code to output prototype for
5623 dfa_clear_single_insn_cache.
5624 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5625 (output_dfa_clean_insn_cache_func): Code to output
5626 dfa_clear_single_insn_cache function.
5627 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5629 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5631 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5632 New static variables.
5633 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5634 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5636 (ebb_sched_info): Initialize new fields.
5637 (get_block_head_tail): Adjust all uses.
5638 (compute_jump_reg_dependencies): Fixed to use glat_start.
5639 (schedule_ebb): Code to remove unreachable last block.
5640 (schedule_ebbs): Added code to update register live information.
5641 * sched-rgn.c (region_sched_info): Initialize new fields.
5642 (get_block_head_tail): Adjust all uses.
5643 (last_was_jump): Removed. Adjust users.
5644 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5645 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5646 Implement new hooks.
5647 (check_dead_notes1): New static function.
5648 (struct region): New fields: dont_calc_deps, has_real_ebb.
5649 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5650 (BB_TO_BLOCK): Fixed to handle EBBs.
5651 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5652 (ebb_head): New static variable.
5653 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5654 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5656 (compute_dom_prob_ps): New assertion.
5657 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5658 global_live_at_start.
5659 (init_ready_list): New assertions.
5660 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5661 (new_ready): Add support for BEGIN_CONTROL speculation.
5662 (schedule_insns): Fixed code that updates register live information
5664 (schedule_region): Fixed to handle EBBs.
5665 (init_regions): Use extend_regions and check_dead_notes1.
5666 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5667 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5668 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5669 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5670 TARGET_SCHED_GEN_CHECK,
5671 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5672 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5673 * doc/invoke.texi (max-sched-insn-conflict-delay,
5674 sched-spec-prob-cutoff): Document.
5676 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5678 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5679 inter_tick, queue_index.
5680 (struct sched_info): Change signature of init_ready_list field.
5681 Adjust all initializations.
5682 (RESOLVED_DEPS): New access macro.
5683 (ready_add): Remove prototype.
5684 (try_ready): Add prototype.
5685 * sched-rgn.c (init_ready_list): Use try_ready.
5686 (schedule_region): Initialize
5687 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5688 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5689 (init_ready_list): Use try_ready.
5690 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5691 * lists.c (remove_list_elem): Remove `static'.
5692 (remove_free_INSN_LIST_elem): New function.
5693 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5694 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5695 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5697 (readyp): New variable.
5698 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5699 change_queue_index, resolve_dep): New static functions.
5700 (try_ready): New function. Adjust callers in sched-rgn.c and
5701 sched-ebb.c to use it instead of ready_add.
5702 (clock_var): Move at the begining of file.
5703 (rank_for_schedule): Fix typo.
5704 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5705 (ready_lastpos): Enforce assertion.
5706 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5708 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5709 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5710 (queue_to_ready): Use free_INSN_LIST_list.
5711 (early_queue_to_ready): Fix typo.
5712 (schedule_block): Init readyp. Move init_ready_list call after the
5713 initialization of clock_var. Fix error in rejecting insn by
5714 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5715 that previously corrected INSN_TICKs. Add code for handling
5717 (set_priorities): Fix typo.
5718 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5719 Clarify comment and code that keeps current_sched_info->next_tail
5722 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5724 * sched-rgn.c (extend_rgns): New static function.
5725 (find_rgns): Use it.
5726 (gather_region_statistics, print_region_statistics): New static
5728 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5729 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5731 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5732 Andrey Belevantsev <abel@ispras.ru>
5734 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5735 * lists.c (unused_deps_list): New variable.
5736 (free_list): Add assertions to verify the proper distinguishing
5737 between INSN_LISTs and DEPS_LISTs.
5738 (find_list_elem, remove_list_elem, remove_list_node): New static
5740 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5741 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5742 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5743 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5745 (free_INSN_LIST_node): Likewise.
5746 * modulo-sched.c (current_sched_info): Initialize flags field.
5747 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5748 * rtl.def (DEPS_LIST): Define.
5749 * rtl.h: Declare new functions from lists.c.
5750 * sched-deps.c (spec_dependency_cache): New static variable.
5751 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5752 (add_dependence): Change return type to void. Move the logic to ...
5753 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5754 (delete_all_dependences): Add comment about forward_dependency_cache.
5755 Handle spec_dependency_cache. Handle DEPS_LISTs.
5756 (fixup_sched_groups): Clarify the change of priority of output
5757 and anti dependencies.
5758 (sched_analyze_2): Adjust add_dependence calls to create data
5759 speculative dependence.
5760 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5761 Adjust all callers. Handle DEPS_LISTS.
5762 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5763 presence of speculation.
5764 (init_dependency_caches, free_dependency_caches):
5765 Handle spec_dependency_cache.
5766 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5767 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5768 New static functions.
5769 (add_or_update_back_dep, add_or_update_back_forw_dep,
5770 add_back_forw_dep, delete_back_forw_dep): New functions.
5771 * sched-int.h (ds_t, dw_t): New typedefs.
5772 (struct sched_info): Add new field flags.
5773 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5774 Prototype new sched-deps.c functions.
5775 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5776 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5777 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5778 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5779 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5780 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5782 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5784 * sched-rgn.c (current_sched_info): Initialize flags field.
5785 (schedule_insns): Initialize current_sched_info before the sched_init
5787 * sched-ebb.c (current_sched_info): Initialize flags field.
5788 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5789 Call add_or_update_back_dep instead of add_dependence.
5790 Create control speculative dependencies.
5791 (schedule_insns): Initialize current_sched_info before the sched_init
5794 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5796 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5798 (sh_fallback_frame_state): Likewise.
5800 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5802 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5803 Do switch on default_use_cxa_atexit.
5804 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5805 * config/darwin-crt3.o: New.
5806 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5807 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5808 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5810 * config/rs6000/t-darwin: Move crt2.o building to here.
5811 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5812 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5815 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5817 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5818 from '! xxx' to '!xxx' for coding-style conformance.
5819 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5820 (EXTRA_CONSTRAINT): Likewise.
5821 * config/vax/vax.md (four unnamed insns): Likewise.
5823 2006-03-15 Paul Brook <paul@codesourcery.com>
5825 * config/arm/arm.c (minipool_pad): New.
5826 (add_minipool_forward_ref): Include pool alignment padding in address
5828 (push_minipool_fix): Set minipool_pad.
5829 (minipool_pad): Ditto.
5831 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5833 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5834 instead of GET_CODE() == MEM and REG_P() instead of
5836 (print_operand_address): Likewise.
5837 (vax_address_cost): Likewise.
5838 (vax_rtx_costs): Likewise.
5839 (vax_notice_update_cc): Likewise.
5840 (vax_output_int_add): Likewise.
5841 (INDEX_REGISTER_P): Likewise.
5842 (BASE_REGISTER_P): Likewise.
5843 (nonindexed_address_p): Likewise.
5844 (vax_mode_dependent_address_p): Likewise.
5845 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5846 (PRINT_OPERAND): Likewise.
5847 * config/vax/vax.md (ashlsi3): Likewise.
5848 (ashlsi3): Likewise.
5849 (some more unnamed insns): Likewise.
5851 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5853 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5854 iterator-style macro.
5855 (mark_control_dependent_edges_necessary): Update the use of
5856 EXECUTE_IF_CONTROL_DEPENDENT.
5858 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5860 * config/sh/predicates.md (cache_address_operand): Special.
5861 (ua_address_operand): Likewise.
5863 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5865 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5867 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5869 2006-03-15 Andreas Schwab <schwab@suse.de>
5871 * gensupport.c (identify_predicable_attribute): Don't free p_false
5872 when it is still in use.
5874 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5876 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5877 the default setting here.
5879 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5881 * tree-pass.h (pass_cfg): Remove.
5882 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5883 * passes.c (pass_cfg): Don't run it.
5885 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5887 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5888 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5890 (stack_regs_mentioned): Update the uses of
5891 stack_regs_mentioned_data. Don't access the array beyond its
5893 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5894 Don't include gt-reg-stack.h.
5896 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5897 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5899 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5902 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5905 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5907 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5909 2006-03-14 Richard Guenther <rguenther@suse.de>
5911 PR tree-optimization/26672
5912 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5915 2006-03-14 Richard Guenther <rguenther@suse.de>
5917 PR tree-optimization/26667
5918 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5919 node for the callees. Always allow inlining if it will shrink
5922 2006-03-14 Richard Guenther <rguenther@suse.de>
5925 * builtins.c (get_pointer_alignment): Prefer alignment
5926 information from decls over that from types.
5928 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5931 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5933 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5935 * config/rs6000/rs6000.opt (mdlmzb): New option.
5936 (msched-prolog, msched-epilog): Use Var not Mask.
5937 * doc/invoke.texi (-mdlmzb): Document.
5938 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5940 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5941 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5943 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5945 PR rtl-optimization/25739
5946 * bt-load.c (augment_live_range): Free tos pointer.
5948 * gensupport.c (identify_predicable_attribute): Free
5950 * gcov.c (create_file_names): Free name pointer.
5952 2006-03-13 Roger Sayle <roger@eyesopen.com>
5955 * stmt.c (emit_case_nodes): Handle the case where the index is a
5956 CONST_INT, where the comparison mode is specified by the index type.
5958 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5960 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5963 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5965 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5966 (*branch_fp_inverted): Likewise.
5968 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5971 * omp-low.c (expand_omp_for_generic): Mark istart0
5972 and iend0 as addressable.
5974 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5976 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5978 2006-03-13 Jeff Law <law@redhat.com>
5980 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5981 virtual operands are interesting.
5982 (vrp_visit_stmt): Corresponding changes.
5984 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5986 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5988 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5989 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5990 * config/bfin/crti.S: Use it instead of __PIC__.
5991 * config/bfin/crtn.S: Likewise.
5993 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5994 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5996 Lose 'G' modifier for call operand.
5997 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5998 recognize 'G' modifier.
6000 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6003 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6004 * stmt.c (expand_case): Likewise.
6006 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6008 PR rtl-optimization/26254
6009 * loop-invariant.c (seq_insns_valid_p): New function.
6010 (move_invariant_reg): Only emit new code if it is valid.
6012 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6014 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6016 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6017 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6018 (commit_one_edge_insertion): Do not look for loop notes.
6020 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6022 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6023 flag_test_coverage out of loop.
6025 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6027 * final.c (shorten_branches): Remove outdated comment, and turn
6028 the if branch that guards it to continue.
6030 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6032 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6033 * cfgloop.h (struct loop): Remove unused fields.
6035 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6037 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6038 (-dL, -fdump-rtl-loop2): Update the dump file names
6040 * doc/invoke.texi: Update dump file names.
6042 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6044 * predict.c (estimate_probability): Remove.
6045 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6046 * basic-block.h (estimate_probability): Remove prototype.
6047 * passes.c (finish_optimization_passes): Dump branch prediction or
6048 profiling heuristics to the .profile tree dump.
6049 (init_optimization_passes): Unqueue pass_branch_prob.
6051 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6053 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6055 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6056 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6058 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6060 * function.h (frame_offset_overflow): Declare.
6061 * function.c (frame_offset_overflow): New function.
6062 (assign_stack_local_1): Call it to detect that the offset overflows.
6063 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6065 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6067 * config/sh/sh.c: Include alloc-pool.h.
6068 (label_ref_list_pool): New alloc pool.
6069 (label_ref_list_t): New type for lists of labels.
6070 (struct pool_node): Make wend a label_ref_list_t.
6071 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6073 (dump_table): Likewise.
6074 (sh_reorg): Set up the alloc pool before using add_constant and
6075 dump_table, and destroy it when finishing.
6077 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6079 * config/mips/mips.c: Remove redundant comment.
6081 2006-03-10 Jason Merrill <jason@redhat.com>
6084 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6085 the target was declared 'register'.
6087 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6089 * genpreds.c (write_insn_constraint_len): Change definition of
6090 insn_constraint_len to return size_t to match the declaration.
6092 2006-03-10 DJ Delorie <dj@redhat.com>
6094 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6096 (m32c_expand_insv): Fix test for an AND mask.
6098 2006-03-10 Richard Guenther <rguenther@suse.de>
6101 * builtins.c (get_pointer_alignment): Handle component
6102 references for field alignment.
6104 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6106 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6107 when building with libgloss.
6108 (sh*elf): Implement --without-fp option.
6109 (sh64-superh-linux*): Don't multilib.
6111 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6113 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6115 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6117 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6118 Set it when one of the replacement functions returned true.
6119 Return TODO_cleanup_cfg if cfgchanged is true.
6120 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6122 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6124 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6125 instead of gen_lowpart.
6127 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6129 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6131 (mips_output_order_conditional_branch): Declare.
6132 * config/mips/mips.h (MIPS_BRANCH): New macro.
6133 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6134 for the comparison. Use gen_condjump.
6135 (mips_output_conditional_branch): Rework interface to take the
6136 asm templates for a direct branch and the inverse of a direct branch.
6137 (mips_output_order_conditional_branch): New function.
6138 (mips_builtin_branch_and_move): New function.
6139 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6140 branch condition. Use gen_single_cc as the condition for
6141 __builtin_mips_upper_* or __builtin_mips_lower_*.
6142 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6143 Use VOIDmode for the branch condition.
6144 * config/mips/predicates.md (order_operator): New predicate.
6145 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6146 (branch_fp): Rename to...
6147 (*branch_fp): ...this. Remove mode from comparison operator.
6148 Use new mips_output_conditional_branch interface.
6149 (branch_fp_inverted): Rename to...
6150 (*branch_fp_inverted): ...this and update as for *branch_fp.
6151 (*branch_zero<mode>): Rename to...
6152 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6153 Use mips_output_order_conditional_branch. Only accept ordered
6155 (*branch_zero<mode>_inverted): Rename to...
6156 (*branch_order<mode>_inverted): ...this and update as for
6157 *branch_order<mode>.
6158 (*branch_equality<mode>): Accept zero as the second operand to
6159 the equality operator. Use the new mips_output_conditional_branch
6161 (*branch_equality<mode>_inverted): Likewise.
6162 (condjump): New expander.
6163 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6165 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6166 (bc1any2t, bc1any2f): Likewise.
6167 (single_cc): New expander.
6168 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6170 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6172 * doc/md.texi: Update documentation of MIPS constraints.
6173 * config/mips/constraints.md: New file.
6174 * config/mips/mips.md: Include it.
6175 * config/mips/mips.c (mips_char_to_class): Delete.
6176 (override_options): Don't initialize mips_char_to_class.
6177 * config/mips/mips.h (mips_char_to_class): Delete.
6178 (REG_CLASS_FROM_LETTER): Delete.
6179 (CONST_OK_FOR_LETTER_P): Delete.
6180 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6181 (EXTRA_CONSTRAINT_Y): Delete.
6182 (EXTRA_CONSTRAINT_STR): Delete.
6183 (CONSTRAINT_LEN): Delete.
6184 (EXTRA_MEMORY_CONSTRAINT): Delete.
6186 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6188 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6189 original fn's eh regions.
6191 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6193 * fold-const.c (build_range_check): Make sure to use a valid type to
6194 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6197 (range_predecessor): New static function.
6198 (range_successor): Likewise.
6199 (merge_ranges): Use them to compute predecessors and successors of
6202 2006-03-09 Roger Sayle <roger@eyesopen.com>
6205 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6206 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6208 2006-03-08 DJ Delorie <dj@redhat.com>
6210 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6211 (addpsi3): Expand to include memory operands. Remove
6212 reload-specific splits.
6213 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6214 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6215 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6216 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6217 (shift1_qi, shift1_hi, insv): New.
6218 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6219 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6220 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6222 * config/m32c/m32c-protos.h: Update as needed.
6223 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6224 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6225 Fail for unrecognized R* constraints.
6226 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6227 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6228 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6230 (m32c_init_libfuncs): New.
6231 (m32c_legitimate_address_p): Add debug wrapper.
6232 (m32c_rtx_costs): New.
6233 (m32c_address_cost): New.
6234 (conversions): Add 'B' prefix.
6235 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6236 operands, or word regnames for QI operands. 'B' prints bit
6238 (m32c_expand_setmemhi): New.
6239 (m32c_expand_movmemhi): New.
6240 (m32c_expand_movstr): New.
6241 (m32c_expand_cmpstr): New.
6242 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6243 (m32c_expand_neg_mulpsi3): Handle non-ints.
6244 (m32c_cmp_flg_0): New.
6245 (m32c_expand_movcc): New.
6246 (m32c_expand_insv): New.
6247 (m32c_scc_pattern): New.
6248 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6249 a0/a1 out of SIregs.
6250 (STORE_FLAG_VALUE): New.
6251 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6254 * config/m32c/mov.md: Make constraints more liberal.
6255 (zero_extendqihi2): Optimize r0/r1 case.
6256 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6257 * config/m32c/predicates.md (m32c_any_operand): New.
6258 (m32c_nonimmediate_operand): New.
6259 (m32c_hl_operand): New.
6260 (m32c_r3_operand): New.
6263 (memsym_operand): New.
6264 (memimmed_operand): New.
6265 (a_qi_operand): New.
6266 (m32c_eqne_operator): New.
6267 (m32c_1bit8_operand): New.
6268 (m32c_1bit16_operand): New.
6269 (m32c_1mask8_operand): New.
6270 (m32c_1mask16_operand): New.
6271 * config/m32c/blkmov.md: New file.
6272 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6274 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6276 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6277 unsigned to fix signed/unsigned comparison issue in
6278 DWARF2_FRAME_REG_OUT.
6279 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6280 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6282 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6283 of ptr into the ENABLE_CHECKING section.
6285 2006-03-08 Jeff Law <law@redhat.com>
6287 * tree-vrp.c (infer_value_range): Only count pointer uses
6288 and dereferences if -fdelete-null-pointer-checks is enabled.
6290 * tree-vrp.c (find_assert_locations): Infer value ranges for
6291 single use pointers, but do not create ASSERT_EXPRs for them.
6292 When a non-null range is inferred for a pointer, backwards
6293 propagate that range to other equivalent pointers through the
6296 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6299 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6300 language hook targets.
6301 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6302 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6303 if language hook targets were missing.
6305 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6307 * tree-ssa-opfinalize.h: Removed.
6308 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6310 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6311 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6312 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6313 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6314 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6315 finalize_ssa_v_must_def_ops): New.
6317 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6319 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6322 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6324 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6326 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6327 addresses with offsets; reorganize.
6329 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6330 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6331 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6333 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6336 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6338 2006-03-08 Ben Elliston <bje@au.ibm.com>
6340 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6342 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6345 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6348 2006-03-07 Richard Guenther <rguenther@suse.de>
6350 PR tree-optimization/26587
6351 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6353 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6355 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6357 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6359 * hooks.c (hook_bool_mode_rtx_true): New function.
6360 * hooks.h (hook_bool_mode_rtx_true): Declare.
6361 * toplev.c (compile_file): Call output_shared_constant_pool.
6362 * varasm.c (shared_constant_pool): New variable.
6363 (assemble_start_function, assemble_end_function): Remove arguments
6364 from call to output_constant_pool.
6365 (create_constant_pool): New function, split out from...
6366 (init_varasm_status): ...here.
6367 (force_const_mem): Choose between the shared and per-function constant
6368 pools. Set current_function_uses_const_pool when reusing old entries
6369 as well as when creating new ones.
6370 (mark_constant): Ignore data argument.
6371 (mark_constants): Remove pool argument.
6372 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6373 to decide whether the function uses a constant pool.
6374 (output_constant_pool_contents): New function, split out from...
6375 (output_constant_pool): ...here.
6376 (output_shared_constant_pool): New function.
6377 (init_varasm_once): Initialize shared_constant_pool.
6378 * output.h (output_constant_pool): Delete.
6379 (output_shared_constant_pool): Declare.
6380 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6381 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6383 2006-03-06 Nick Clifton <nickc@redhat.com>
6385 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6386 flag_strength_reduce.
6388 2006-03-06 Ben Elliston <bje@au.ibm.com>
6390 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6391 x86_64-*-linux* configurations.
6393 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6394 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6396 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6398 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6400 * basic-block.h: Remove the extern for
6401 rediscover_loops_after_threading.
6403 * cfgloop.c (cancel_loop): Make it static.
6404 * cfgloop.h: Remove the prototype for cancel_loop.
6406 * flow.c (recompute_reg_usage): Make it static.
6407 * rtl.h: Remove the prototype for recompute_reg_usage.
6409 * function.c (use_return_register): Make it static.
6410 * function.h: Remove the prototype.
6412 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6414 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6416 * recog.h: Remove the prototype for
6417 validate_change_maybe_volatile.
6419 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6421 * rtlanal.c (replace_reg): Remove.
6422 * rtl.h: Remove the prototype for replace_reg.
6424 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6426 * regclass.c (reg_scan_update): Remove.
6427 (reg_scan_mark_refs): Remove the last argument.
6428 * rtl.h: Remove the prototype for reg_scan_update.
6430 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6432 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6433 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6434 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6435 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6436 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6437 loop-invariant.c, omp-low.c, opts.c, passes.c,
6438 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6439 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6440 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6441 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6442 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6443 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6445 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6447 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6448 * dwarf2out.h: Remove the prototype for
6449 dwarf2out_add_library_unit_info.
6451 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6453 * tree.c (add_var_to_bind_expr): Remove.
6454 * tree.h: Remove the prototype for add_var_to_bind_expr.
6456 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6458 * regclass.c (n_non_fixed_regs): Remove.
6459 (init_reg_sets_1, globalize_reg): Remove all uses of
6461 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6463 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6465 * rtlanal.c (insns_safe_to_move_p): Remove.
6466 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6468 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6470 * expmed.c (expand_mult_add): Remove.
6471 * expr.h: Remove the prototype for expand_mult_add.
6473 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6475 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6476 and REG_SAVED_VAL_EXP constants.
6477 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6478 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6479 Handle regs stored by value.
6480 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6481 (execute_cfa_program): Handle DW_CFA_val_offset,
6482 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6483 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6484 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6485 (uw_install_context_1): Handle target regs stored by value.
6487 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6489 * tree-sra.c (tree_sra): Return todoflags;
6490 (generate_one_element): Set TODO_update_smt_usage if needed.
6491 (pass_sra): Remove TODO_update_smt_usage.
6492 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6494 (tree_ssa_forward_propagate_single_use_vars): Return
6495 TODO_update_smt_usage if we need to update SMT usage.
6496 (pass_forwprop): Remove TODO_update_smt_usage.
6498 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6500 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6501 (correct_use_link): Remove reference to get_stmt_operands.
6502 (update_stmt_operands): Likewise.
6503 (get_modify_expr_operands): New function factored out of
6504 parse_ssa_operands and get_expr_operands.
6505 Try to create V_MUST_DEFs for LHS by default.
6506 (get_expr_operands) <case MODIFY_EXPR>: Call
6507 get_modify_expr_operands.
6508 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6509 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6510 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6511 get_modify_expr_operands.
6513 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6515 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6516 * tree-flow.h: Remove the prototype for
6517 referenced_var_lookup_if_exists.
6519 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6521 PR rtl-optimization/26345
6523 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6525 2006-03-03 Roger Sayle <roger@eyesopen.com>
6527 PR tree-optimization/26524
6528 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6529 fold_convert to create a constant of the appropriate type.
6531 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6533 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6534 SYMBOL_REF_IN_BLOCK_P.
6535 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6536 of SYMBOL_FLAG_IN_BLOCK.
6537 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6538 instead of SYMBOL_REF_IN_BLOCK_P.
6539 * explow.c (use_anchored_address): Likewise.
6540 * rtl.c (rtx_size): Likewise.
6541 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6542 instead of SYMBOL_FLAG_IN_BLOCK.
6543 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6544 SYMBOL_REF_IN_BLOCK_P.
6545 (assemble_variable): Likewise.
6546 (output_constant_def_contents): Likewise.
6547 (output_constant_pool): Likewise.
6548 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6549 instead of SYMBOL_FLAG_IN_BLOCK.
6550 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6551 SYMBOL_REF_IN_BLOCK_P.
6552 (SYMBOL_REF_BLOCK): Likewise.
6553 (SYMBOL_REF_OFFSET): Likewise.
6554 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6555 SYMBOL_REF_IN_BLOCK_P.
6556 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6557 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6558 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6559 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6561 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6563 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6565 2006-03-02 Roger Sayle <roger@eyesopen.com>
6567 * simplify-rtx.c (simplify_unary_operation): When simplifying
6568 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6569 that we perform the right shift in the appropriate mode, and
6570 then extend or truncate the result to requested mode.
6572 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6574 * gengtype.c (main): Handle double_int type.
6575 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6576 * double-int.c: New file.
6577 * double-int.h: New file.
6578 * system.h: Include doubleint.h.
6579 * Makefile.in (SYSTEM_H): Include double-int.h.
6580 (double-int.o): Add.
6582 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6585 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6588 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6590 * tree-vrp.c (remove_range_assertions): Do not update statements
6593 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6595 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6597 * gcse.c (rest_of_handle_gcse): Ditto.
6598 * except.c (gate_handle_eh): Ditto.
6599 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6600 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6602 2006-03-02 Eric Christopher <echristo@apple.com>
6604 * config/i386/i386.c (machopic_output_stub): Add indirection to
6607 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6611 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6613 Sun Niagara specific optimizations.
6614 * config.gcc: Recognize niagara as target.
6615 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6616 (TARGET_CPU_niagara): Define.
6617 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6618 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6619 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6620 (ASM_CPU_SPEC): Likewise.
6621 (PROCESSOR_NIAGARA): New enum entry.
6622 (REGISTER_MOVE_COST): Handle Niagara.
6623 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6624 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6625 (sparc_override_options): Recognize "niagara", set appropriate
6626 default MASK_* values for it, and align functions to 32-bytes
6627 by default just like ULTRASPARC/ULTRASPARC3.
6628 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6629 (sparc64_initialize_trampoline): Likewise.
6630 (sparc_use_sched_lookahead): Use zero for niagara.
6631 (sparc_issue_rate): Use one for niagara.
6632 * config/sparc/niagara.md: New file.
6633 * config/sparc/sparc.md: Include it.
6634 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6635 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6636 when default cpu is niagara.
6637 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6638 (ASM_CPU_SPEC): Likewise.
6639 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6640 when default cpu is niagara.
6641 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6642 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6643 just like v9/ultrasparc/ultrasparc3.
6644 * doc/invoke.texi: Add documentation for "niagara" and improve
6645 existing documentation for ultrasparc variants.
6647 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6649 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6651 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6653 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6654 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6655 and say that only one is needed.
6656 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6657 * target.h (have_switchable_bss_sections): New hook.
6658 * explow.c (use_anchored_address): Check that the symbol is in a block.
6659 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6660 (bss_noswitch_section): New variables.
6661 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6662 (get_noswitch_section): New function.
6663 (get_block_for_section): Allow SECT to be null.
6664 (unlikely_text_section_p): Use SECTION_STYLE.
6665 (bss_initializer_p): New function.
6666 (get_variable_section): Move earlier in file. Take a new argument,
6667 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6668 Return one of the new *_sections in such cases.
6669 (get_block_for_decl): New function, extracting some logic from
6670 use_blocks_for_decl_p.
6671 (change_symbol_section): Remove in favor of...
6672 (change_symbol_block): ...this new function.
6673 (use_blocks_for_decl_p): Remove checks now performed by
6675 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6676 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6677 (emit_local, emit_bss, emit_common): ...these new functions.
6678 Return true if the alignment was honored.
6679 (emit_tls_common): New function.
6680 (asm_emit_uninitialised): Delete.
6681 (assemble_variable_noswitch): New function, split out from...
6682 (assemble_variable): ...here. Don't make decisions about common
6683 variables here. Globalize all public decls that go into non-common
6684 sections. Check whether SYMBOL_REF_BLOCK is null.
6685 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6686 (output_constant_pool): Likewise.
6687 (init_varasm_once): Initialize the new section variables.
6688 (have_global_bss_p): New function.
6689 (categorize_decl_for_section): Use bss_initializer_p.
6690 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6691 (place_block_symbol): Assert that the symbol must be in a block.
6692 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6693 (TARGET_INITIALIZER): Include it.
6694 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6695 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6696 (SECTION_MACH_DEP): Bump by two.
6697 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6698 (unnamed_section): Mention SECTION_UNNAMED in comment.
6699 (named_section): Likewise SECTION_NAMED.
6700 (noswitch_section_callback): New type.
6701 (noswitch_section): New structure.
6702 (section): Add a noswitch_section alternative.
6703 (SECTION_STYLE): New macro.
6704 (tls_comm_section, comm_section, lcomm_section): Declare.
6705 (bss_noswitch_section, have_global_bss_p): Declare.
6706 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6707 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6709 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6710 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6713 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6715 * tree-vrp.c (execute_vrp): Return value.
6716 * regrename.c (rest_of_handle_regrename): Ditto.
6717 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6718 * tree-complex.c (tree_lower_complex): Ditto.
6719 (tree_lower_complex_O0): Ditto.
6720 * tracer.c (rest_of_handle_tracer): Ditto.
6721 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6722 * postreload.c (rest_of_handle_postreload): Ditto.
6723 * tree-tailcall.c (execute_tail_recursion): Ditto.
6724 (execute_tail_calls): Ditto.
6725 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6726 * tree.h (init_function_for_compilation): Ditto.
6727 * ipa-cp.c (ipcp_driver): Ditto.
6728 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6729 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6730 * final.c (compute_alignments): Ditto.
6731 (rest_of_handle_final): Ditto.
6732 (rest_of_handle_shorten_branches): Ditto.
6733 (rest_of_clean_state): Ditto.
6734 * omp-low.c (execute_expand_omp): Ditto.
6735 (execute_lower_omp): Ditto.
6736 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6737 * ipa-reference.c (static_execute): Ditto.
6738 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6739 * reorg.c (rest_of_handle_delay_slots): Ditto.
6740 (rest_of_handle_machine_reorg): Ditto.
6741 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6742 * flow.c (recompute_reg_usage): Ditto.
6743 (rest_of_handle_remove_death_notes): Ditto.
6744 (rest_of_handle_life): Ditto.
6745 (rest_of_handle_flow2): Ditto.
6746 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6747 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6748 (do_ssa_store_ccp): Ditto.
6749 (execute_fold_all_builtins): Ditto.
6750 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6751 * modulo-sched.c (rest_of_handle_sms): Ditto.
6752 * ipa-pure-const.c (static_execute): Ditto.
6753 * cse.c (rest_of_handle_cse): Ditto.
6754 (rest_of_handle_cse2): Ditto.
6755 * web.c (rest_of_handle_web): Ditto.
6756 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6757 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6758 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6759 * tree-nrv.c (tree_nrv): Ditto.
6760 (execute_return_slot_opt): Ditto.
6761 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6762 (create_structure_vars): Ditto.
6763 * loop-init.c (rtl_loop_init): Ditto.
6764 (rtl_loop_done): Ditto.
6765 (rtl_move_loop_invariants): Ditto.
6766 (rtl_unswitch): Ditto.
6767 (rtl_unroll_and_peel_loops): Ditto.
6768 (rtl_doloop): Ditto.
6769 * gimple-low.c (lower_function_body): Ditto.
6770 (mark_used_blocks): Ditto.
6771 * tree-ssa-sink.c (execute_sink_code): Ditto.
6772 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6773 (cgraph_early_inlining): Ditto.
6774 * global.c (rest_of_handle_global_alloc): Ditto.
6775 * jump.c (cleanup_barriers): Ditto.
6776 (purge_line_number_notes): Ditto.
6777 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6778 (rest_of_handle_if_after_reload): Ditto.
6779 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6780 (tree_ssa_loop_im): Ditto.
6781 (tree_ssa_loop_unswitch): Ditto.
6782 (tree_vectorize): Ditto.
6783 (tree_linear_transform): Ditto.
6784 (tree_ssa_loop_ivcanon): Ditto.
6785 (tree_ssa_empty_loop): Ditto.
6786 (tree_ssa_loop_bounds): Ditto.
6787 (tree_complete_unroll): Ditto.
6788 (tree_ssa_loop_prefetch): Ditto.
6789 (tree_ssa_loop_ivopts): Ditto.
6790 (tree_ssa_loop_done): Ditto.
6791 * predict.c (tree_estimate_probability): Ditto.
6792 * recog.c (split_all_insns_noflow): Ditto.
6793 (rest_of_handle_peephole2): Ditto.
6794 (rest_of_handle_split_all_insns): Ditto.
6795 * tree-eh.c (lower_eh_constructs): Ditto.
6796 * regmove.c (rest_of_handle_regmove): Ditto.
6797 (rest_of_handle_stack_adjustments): Ditto.
6798 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6799 * function.c (instantiate_virtual_regs): Ditto.
6800 (init_function_for_compilation): Ditto.
6801 (rest_of_handle_check_leaf_regs): Ditto.
6802 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6803 (rest_of_handle_gcse): Ditto.
6804 * ipa-type-escape.c (type_escape_execute): Ditto.
6805 * alias.c (rest_of_handle_cfg): Ditto.
6806 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6807 * profile.c (rest_of_handle_branch_prob): Ditto.
6808 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6809 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6810 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6811 * tree-dfa.c (find_referenced_vars): Ditto.
6812 * except.c (set_nothrow_function_flags): Ditto.
6813 (convert_to_eh_region_ranges): Ditto.
6814 (rest_of_handle_eh): Ditto.
6815 * emit-rtl.c (unshare_all_rtl): Ditto.
6816 (remove_unnecessary_notes): Ditto.
6817 * except.h (set_nothrow_function_flags): Ditto.
6818 (convert_to_eh_region_ranges): Ditto.
6819 * cfgexpand.c (tree_expand_cfg): Ditto.
6820 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6821 * tree-ssa-pre.c (do_pre): Ditto.
6822 (execute_fre): Ditto.
6823 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6824 (rest_of_handle_jump2): Ditto.
6825 * tree-sra.c (tree_sra): Ditto.
6826 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6827 (execute_mudflap_function_decls): Ditto.
6828 * tree-ssa-copy.c (do_copy_prop): Ditto.
6829 (do_store_copy_prop): Ditto.
6830 * ipa-prop.h (ipcp_driver): Ditto.
6831 * cfglayout.c (insn_locators_initialize): Ditto.
6832 * tree-ssa-forwprop.c
6833 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6834 * cfglayout.h (insn_locators_initialize): Ditto.
6835 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6836 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6837 (execute_late_warn_uninitialized): Ditto.
6838 * rtl.h (cleanup_barriers): Ditto.
6839 (split_all_insns_noflow): Ditto.
6840 (purge_line_number_notes): Ditto.
6841 (unshare_all_rtl): Ditto.
6842 (remove_unnecessary_notes): Ditto.
6843 (recompute_reg_usage): Ditto.
6844 (variable_tracking_main): Ditto.
6845 * integrate.c (emit_initial_value_sets): Ditto.
6846 * integrate.h (emit_initial_value_sets): Ditto.
6847 * tree-optimize.c (execute_free_datastructures): Ditto
6848 (execute_free_cfg_annotations): Ditto.
6849 (execute_fixup_cfg): Ditto.
6850 (execute_cleanup_cfg_pre_ipa): Ditto.
6851 (execute_cleanup_cfg_post_optimizing): Ditto.
6852 (execute_init_datastructures): Ditto.
6853 * tree-object-size.c (compute_object_sizes): Ditto.
6854 * combine.c (rest_of_handle_combine): Ditto.
6855 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6856 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6857 (rest_of_handle_reorder_blocks): Ditto.
6858 (rest_of_handle_partition_blocks): Ditto.
6859 * var-tracking.c (variable_tracking_main): Ditto.
6860 * tree-profile.c (tree_profiling): Ditto.
6861 * tree-vect-generic.c (expand_vector_operations): Ditto.
6862 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6863 * sched-rgn.c (rest_of_handle_sched): Ditto.
6864 (rest_of_handle_sched2): Ditto.
6865 * basic-block.h (free_bb_insn): Ditto.
6866 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6867 * tree-cfg.c (execute_build_cfg): Ditto.
6868 (remove_useless_stmts): Ditto.
6869 (split_critical_edges): Ditto.
6870 (execute_warn_function_return): Ditto.
6871 (execute_warn_function_noreturn): Ditto.
6872 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6873 * cfgrtl.c (free_bb_for_insn): Ditto.
6874 * passes.c (execute_one_pass): Run additional
6875 todos returned by execute function.
6876 * tree-pass.h (struct tree_opt_pass): Make execute
6879 2006-03-02 Richard Guenther <rguenther@suse.de>
6881 * tree-ssa-alias.c (find_used_portions): Consider taking
6882 the address as making the variable not write-only.
6884 2006-03-02 Nick Clifton <nickc@redhat.com>
6886 * config.gcc (default_use_cxa_atexit): Extend the description of
6887 this configure variable. Set its default value to "yes" for
6888 Linux, NetBSD and ELF targets on the assumption that they will
6889 use C libraries with the __cxa_atexit function.
6891 2006-03-02 Ben Elliston <bje@au.ibm.com>
6893 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6894 parameter as unused to suppress a build warning.
6896 2006-03-02 Ben Elliston <bje@au.ibm.com>
6898 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6901 2006-03-01 Roger Sayle <roger@eyesopen.com>
6904 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6905 declared name, the weak reference name, and the typeof name.
6906 (__gthrw): Avoid expanding the declared name suffix.
6907 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6909 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6911 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6913 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6914 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6915 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6916 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6917 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6918 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6919 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6920 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6921 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6922 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6923 (DW_END_default, DW_END_big, DW_END_little): New.
6924 (DW_END_lo_user, DW_END_hi_user): Define.
6925 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6926 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6927 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6930 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6932 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6934 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6936 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6938 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6940 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6941 to 'symbol_mem_tag'.
6943 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6946 2006-03-01 Roger Sayle <roger@eyesopen.com>
6948 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6950 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6953 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6954 MACHO_DYNAMIC_NO_PIC_P.
6955 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6957 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6960 * config/darwin-protos.h (darwin_asm_output_anchor):
6962 * config/darwin-sections.def (cstring_section):
6963 Add SECTION_MERGE to the flags.
6964 (literal4_section): Likewise.
6965 (literal8_section): Likewise.
6966 (objc_selector_refs_section): Likewise.
6967 (objc_cls_refs_section): Likewise.
6968 * config/darwin.c (darwin_asm_output_anchor): New
6970 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6972 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6974 Fix PR tree-optimization/26443
6975 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6976 to todo and PROP_tmt_usage to properties_destroyed.
6977 * tree-ssa-ccp.c (pass_ccp): Ditto.
6978 (pass_store_ccp): Ditto.
6979 * tree-ssa-dom.c (pass_dominator): Ditto.
6981 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6983 * tree-ssa-operands.c: Cleanup whitespace.
6984 (get_asm_expr_operands): Move before first invocation.
6985 (get_indirect_ref_operands): Likewise.
6986 (get_tmr_operands): Likewise.
6987 (get_call_expr_operands): Likewise.
6988 (append_def): Likewise.
6989 (append_use): Likewise.
6990 (append_v_may_def): Likewise.
6991 (append_v_must_def): Likewise.
6992 (add_call_clobber_ops): Likewise.
6993 (add_call_read_ops): Likewise.
6994 (add_stmt_operand): Likewise.
6995 (add_virtual_operand): Likewise.
6996 (build_ssa_operands): Likewise.
6998 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7003 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7004 with a call expr to ...
7005 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7007 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7009 * tree-vrp.c (extract_range_from_assert): Remove special
7010 handling for types with super-types.
7012 2006-03-01 Ben Elliston <bje@au.ibm.com>
7014 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7015 and powerpc64-*-linux* configurations.
7016 * config/t-dfprules: New file.
7018 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7019 Compile dfp-bit.c from the source directory using -DWIDTH and
7020 $DFP_CFLAGS to control the compilation of that file, rather than
7021 generating width-specific versions in the build directory.
7022 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7023 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7025 2006-02-28 Zack Weinberg <zackw@panix.com>
7027 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7030 2006-02-28 Eric Christopher <echristo@apple.com>
7032 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7033 Set up IN_LIBGCC definition of TARGET_64BIT.
7034 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7036 2006-02-28 Roger Sayle <roger@eyesopen.com>
7039 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7040 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7041 cases via the construction of "expr != 0".
7043 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7045 * alias.c (alias_invariant, alias_invariant_size): Remove.
7046 (record_base_value): Remove.
7047 (memrefs_conflict_p): Don't look at alias_invariant.
7048 (end_alias_analysis): Don't free it.
7049 * alias.h (record_base_value): Remove prototype.
7051 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7052 Adam Nemet <anemet@caviumnetworks.com>
7054 * rtl.h (truncated_to_mode): Declare it.
7055 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7056 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7057 (RTL_HOOKS_INITIALIZER): Include it.
7058 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7059 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7060 reg_truncated_to_mode.
7061 * rtlanal.c (truncated_to_mode): Define it.
7062 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7064 2006-02-28 Jeff Law <law@redhat.com>
7066 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7067 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7068 the range allowed by TYPE_PRECISION.
7070 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7072 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7074 PR tree-optimization/26419
7075 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7078 2006-02-27 Zack Weinberg <zackw@panix.com>
7080 * doc/md.texi: Fix typo in previous change.
7082 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7086 2006-02-27 Zack Weinberg <zackw@panix.com>
7088 * rtl.def (define_constraint, define_register_constraint)
7089 (define_memory_constraint, define_address_constraint): New MD forms.
7090 * gensupport.c (process_rtx): Put define_constraint etc on the
7092 * genpreds.c (process_define_predicate): Adjust comment. Validate
7093 the name, and call validate_exp to validate the expression.
7094 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7095 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7096 all callers changed.
7097 (validate_exp, needs_variable, struct constraint_data)
7098 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7099 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7100 (const_dbl_constraints, constraint_max_namelen)
7101 (have_register_constraints, have_memory_constraints)
7102 (have_address_constraints, have_address_constraints)
7103 (have_extra_constraints, have_const_int_constraints)
7104 (have_const_dbl_constraints, mangle, add_constraint)
7105 (process_define_constraint, process_define_register_constraint)
7106 (write_enum_constraint_num, write_lookup_constraint)
7107 (write_insn_constraint_len, write_regclass_for_constraint)
7108 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7109 (write_insn_extra_memory_constraint)
7110 (write_insn_extra_address_constraint)
7111 (write_satisfies_constraint_fns): New.
7112 (write_tm_preds_h): If we have new-style constraint definitions,
7113 prototype the functions generated from them, and define the
7114 old constraint interface (still used by generic code) in terms of
7116 (write_insn_preds_c): If we have new-style constraint definitions,
7117 generate all relevant functions from those definitions.
7118 (main): Handle define_constraint etc.
7119 * genoutput.c (struct constraint_data, indep_constraints)
7120 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7121 (mdep_constraint_len): New data structures and functions, defined
7122 #ifdef USE_MD_CONSTRAINTS.
7123 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7124 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7125 use new logic to validate operand constraints against constraint
7127 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7129 * defaults.h: If none of the old-style constraint macros are
7130 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7131 old-style macros; and poison REG_CLASS_FROM_LETTER,
7132 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7134 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7135 * doc/md.texi: Document new constraint-definition mechanism and the
7136 C interface it provides. Remove references to old mechanism
7137 elsewhere in the document.
7138 (Machine Constraints): Use pathnames relative to gcc directory,
7139 i.e. config/ARCH/FILE. Change i386 section to refer to
7140 config/i386/predicates.md; update that section to match docstrings.
7141 * doc/tm.texi: Move all documentation of the old constraint-
7142 definition macros to their own section, clearly mark as obsolete.
7144 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7145 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7147 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7148 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7149 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7151 (splits and peepholes): Use satisfies_constraint_*.
7152 * config/i386/i386.c (memory_address_length)
7153 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7155 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7157 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7158 scalar operation to be put back into the loop.
7160 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7163 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7164 (extract_cie_info): Handle S flag in augmentation string.
7165 (execute_cfa_program): If context->signal_frame, execute also
7166 fs->pc == context->ra instructions.
7167 (uw_frame_state_for): If context->signal_frame, don't subtract one
7168 from context->ra to find FDE.
7169 (uw_update_context_1): Set context->signal_frame to
7171 (_Unwind_GetIPInfo): New function.
7172 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7173 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7175 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7176 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7177 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7178 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7179 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7180 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7181 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7182 x86_64_fallback_frame_state): Set fs->signal_frame.
7183 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7184 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7185 (frob_update_context): Likewise. Workaround missing S flag in
7186 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7187 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7188 Remove the psw_addr + 1 hack.
7190 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7192 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7193 with aggregates here.
7194 (find_func_aliases): Remove code for &<aggregate> from here.
7196 2006-02-26 Roger Sayle <roger@eyesopen.com>
7198 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7199 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7200 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7203 2006-02-26 Roger Sayle <roger@eyesopen.com>
7206 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7208 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7210 * opts.c (decode_options): Do not handle flag_strength_reduce.
7211 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7212 and OPT_fstrength_reduce.
7213 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7214 flag_prefetch_loop_arrays for being nonzero.
7215 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7217 (fprefetch-loop-arrays-rtl): Removed.
7218 (flag_prefetch_loop_arrays): Do not specify the value.
7220 * doc/passes.texi: Update documentation of loop optimizer
7222 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7223 -frerun-loop-opt): Remove.
7225 2006-02-26 Richard Guenther <rguenther@suse.de>
7227 PR tree-optimization/26421
7228 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7229 in function calls that are ADDR_EXPRs as using the whole structure.
7231 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7233 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7234 * tree-pass.h (pass_loop_optimize): Remove.
7235 * passes.c (pass_loop_optimize): Never run it.
7236 * toplev.c (backend_init): Don't call init_loop.
7237 * opts.c (flag_loop_optimize_set): Remove.
7238 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7239 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7240 the old RTL loop optimizer when profiling enabled.
7241 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7242 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7243 pre-headers for the sake of the old RTL loop optimizer.
7244 * Makefile.in: Remove all references to loop.o.
7246 * doc/invoke.texi: Remove all references to -floop-optimize
7247 and -frerun-loop-opt.
7249 2006-02-26 Zack Weinberg <zackw@panix.com>
7251 * doc/md.texi (Machine Constraints): Refer to all files with paths
7252 relative to gcc directory (i.e. config/CPU/file). Add missing
7253 @table @code ... @end table to M32C subsection.
7255 2006-02-26 Roger Sayle <roger@eyesopen.com>
7257 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7259 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7261 2006-02-26 Roger Sayle <roger@eyesopen.com>
7262 James A. Morrison <phython@gcc.gnu.org>
7265 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7266 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7267 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7268 signedness of the shift operation.
7270 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7272 PR tree-optimization/26359
7273 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7275 2006-02-25 Roger Sayle <roger@eyesopen.com>
7277 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7278 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7279 as X == 0, and some symmetry related transformations.
7280 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7282 2006-02-25 Roger Sayle <roger@eyesopen.com>
7285 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7286 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7287 symmetry related transformations. Fold (X^C1) == C2 as
7290 2006-02-25 Juergen Weigert <jw@suse.de>
7291 Richard Guenther <rguenther@suse.de>
7293 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7295 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7297 * combine.c (gen_lowpart_or_truncate): Call
7298 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7300 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7302 * doc/invoke.texi: Move -fopenmp description to "Options for
7304 Remove reference to -lgomp.
7306 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7308 * doc/install.texi: Require GNU tar version 1.14.
7310 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7312 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7313 * doc/invoke.texi (C++ Dialect Options): Document
7314 -fno-use-cxa-get-exception-ptr.
7315 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7316 * configure: Regenerate.
7317 * c.opt (fuse-cxa-get-exception-ptr): New.
7318 * c-opts.c (c_common_handle_option): Handle
7319 OPT_fuse_cxa_get_exception_ptr.
7320 * c-common.c (flag_use_cxa_atexit): Update documentation.
7321 (flag_use_cxa_get_exception_ptr): New.
7322 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7323 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7325 (C_COMMON_OVERRIDE_OPTIONS): New.
7327 2006-02-24 Roger Sayle <roger@eyesopen.com>
7330 * combine.c (try_combine): Explicitly check whether GET_CODE is
7331 a SET or a CLOBBER, instead on checking that it isn't a USE.
7333 2006-02-24 Roger Sayle <roger@eyesopen.com>
7335 * fold-const.c (fold_comparison): New subroutine of fold_binary
7336 containing transformations common to both the equality and
7337 ordering relational operators, factored out of fold_binary.
7338 (fold_binary): Separate out the equality operators (EQ_EXPR
7339 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7340 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7341 transformations common to both.
7342 (fold_div_compare): Fix latent bugs in the previously unreachable
7343 LT_EXPR and GE_EXPR cases.
7345 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7347 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7348 decl libname for clog to __clog on AIX.
7350 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7352 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7355 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7356 output traceback table for thunks. Localise rs6000_stack_info call.
7358 2006-02-23 Roger Sayle <roger@eyesopen.com>
7359 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7361 * gthr-posix.h (__gthrw): Fix typo in comment.
7363 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7365 * doc/cpp.texi (Character sets): Document that we do support
7366 input files to be in any character set.
7368 2006-02-23 Jeff Law <law@redhat.com>
7370 * tree.h (PHI_ARG_NONZERO): Remove.
7371 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7372 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7373 node to the new node.
7375 PR tree-optimization/26425
7376 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7377 min/max, then assume its varying.
7379 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7381 PR rtl-optimization/26316
7382 * rtlanal.c (enum may_trap_p_flags): New.
7383 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7384 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7385 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7386 (may_trap_after_code_motion_p): New function.
7387 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7388 (find_invariant_insn): Use may_trap_after_code_motion_p.
7389 * rtl.h (may_trap_after_code_motion_p): Declare.
7391 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7393 * emit-rtl.c (immed_double_const): Cleanup.
7395 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7397 Fix PR tree-optimization/26376
7398 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7401 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7404 * gimplify.c (omp_add_variable): Guard variable size decl test with
7405 DECL_SIZE (decl) check.
7407 2006-02-23 Richard Guenther <rguenther@suse.de>
7410 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7411 like aggregate types.
7413 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7415 * configure.ac: Add --with{,out}-long-double-128 configure option.
7416 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7417 * configure: Rebuilt.
7418 * config.in: Rebuilt.
7419 * doc/install.texi (Options specification): Document
7420 --with-long-double-128.
7422 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7423 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7424 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7425 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7427 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7429 * config/s390/s390.c (override_options): Handle
7430 TARGET_DEFAULT_LONG_DOUBLE_128.
7432 * config/alpha/alpha.c (override_options): Handle
7433 TARGET_DEFAULT_LONG_DOUBLE_128.
7435 * config/sparc/sparc.c (sparc_override_options): Handle
7436 TARGET_DEFAULT_LONG_DOUBLE_128.
7438 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7440 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7441 (real-install-headers-tar, real-install-headers-cpio)
7442 (real-install-headers-cp): New targets.
7444 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7446 * tree.h (variable_section): Delete.
7447 * varasm.c (variable_section): Delete.
7449 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7451 * install.texi: Add notes on install.texi2html.
7452 (Building in parallel): Do not use footnotes.
7454 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7457 * doc/install.texi (Configuration): Document --disable-libgomp.
7459 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7461 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7463 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7465 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7466 (vec_extractv2df_0_sse): New.
7468 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7470 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7471 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7472 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7473 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7474 to the result of the expression.
7475 (def_cfa_1): Adjust.
7476 (frame_pointer_cfa_offset): Rename to...
7477 (frame_pointer_fb_offset): ... this. Adjust all uses.
7478 (convert_cfa_to_loc_list): Rename to...
7479 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7480 Pass it on to build_cfa_loc.
7481 (compute_frame_pointer_to_cfa_displacement): Rename to...
7482 (compute_frame_pointer_to_fb_displacement): ... this. New
7483 offset parameter. Use it in computation.
7484 (gen_subprogram_die): Compute cfa_fb_offset with the new
7485 macro, and use it to compute the fb loc list and the
7488 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7490 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7491 replaced with register_operand.
7492 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7493 non-DREG is expensive.
7494 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7495 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7498 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7500 * doc/install.texi2html: Use set -e.
7502 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7504 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7505 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7506 * doc/invoke.texi (-fshared-data): Delete.
7507 * common.opt (fshared-data): Delete.
7508 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7509 (assemble_static_space): Remove #if 0 code.
7510 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7511 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7512 * config/cris/cris.h: Remove FIXME.
7514 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7516 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7519 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7522 * combine.c (simplify_shift_const_1): Disable nested shifts
7523 optimization for vector shifts.
7525 2006-02-20 Roger Sayle <roger@eyesopen.com>
7527 PR tree-optimization/26361
7528 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7529 of unsigned integer types.
7531 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7533 * tree-chrec.c (eq_evolutions_p): New.
7534 * tree-chrec.h (eq_evolutions_p): Declared.
7535 * tree-data-ref.c: Fix formatting.
7536 (datadep_stats, dependence_stats): New.
7538 (print_direction_vector): New.
7539 (dump_data_dependence_relation): Use print_direction_vector.
7540 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7541 (compute_subscript_distance): Static.
7542 (initialize_data_dependence_relation): Static. Get the number
7543 of loops surrounding the references from the callers, and initialize
7544 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7545 base_object_differ_p analyzers.
7546 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7547 compute_overlap_steps_for_affine_1_2,
7548 analyze_subscript_affine_affine): Count the classified dependences.
7549 Print a message when a test failed.
7550 (can_use_analyze_subscript_affine_affine): New.
7551 (analyze_siv_subscript): Compute the data dependences on symbolic
7552 scevs that verify can_use_analyze_subscript_affine_affine.
7553 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7554 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7555 Handle symbolic scevs.
7556 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7558 (subscript_dependence_tester): Moved...
7559 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7560 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7561 DDR_SIZE_VECT instead of getting it in parameter.
7562 (subscript_dependence_tester): ... here. Take as a parameter
7563 loop_nest_depth. Call build_classic_dist_vector and
7564 build_classic_dir_vector.
7565 (compute_affine_dependence): Update subscript_dependence_tester
7566 parameters. Update datadep_stats counters. Call
7567 compute_subscript_distance.
7568 (compute_self_dependence): Save the dist and dir vectors. Call
7569 compute_subscript_distance.
7570 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7571 (compute_all_dependences): Reorder parameters as they were before
7572 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7573 compute_subscript_distance. Update the use of
7574 compute_affine_dependence and initialize_data_dependence_relation.
7575 (find_data_references_in_loop): Handle COMPONENT_REF.
7576 (compute_data_dependences_for_loop): Initialize dependence_stats.
7577 Don't call build_classic_dist_vector and build_classic_dir_vector.
7578 Update the parameters of initialize_data_dependence_relation and
7579 compute_all_dependences. Print the statistics from datadep_stats.
7580 (analyze_all_data_dependences): Static. Not used until the pass for
7581 checking the data dependences is contributed.
7582 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7583 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7584 (initialize_data_dependence_relation, compute_affine_dependence,
7585 analyze_all_data_dependences, compute_subscript_distance): Removed.
7586 (print_direction_vector): New.
7587 * lambda.h (gcd): ... here.
7588 (lambda_vector_gcd): Moved here from gcd_vector.
7589 * lambda-code.c (gcd, gcd_vector): Removed.
7590 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7591 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7593 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7595 * ipa-type-escape.c: Tidy some comments and white space.
7596 * tree-ssa-operands.c: Likewise.
7598 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7601 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7602 (dump_decl_name): Do not walk the decl tree chains.
7603 * tree-pass.h (TDF_CHAIN): Remove.
7605 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7607 * Makefile.in (C): Remove
7609 (.PHONY): Remove C and PROTO
7611 2006-02-20 Roger Sayle <roger@eyesopen.com>
7614 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7615 deprecated CHAR_TYPE tree code.
7617 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7619 * configure.ac (target_list): Add install-info, dvi, html.
7620 * configure: Regenerate.
7622 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7623 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7624 treelang/Make-lang.in: Do not use double-colon rules.
7626 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7628 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7629 (TMT_USED_ALONE): New macro.
7630 * tree-pass.h (PROP_tmt_usage): New property.
7631 (TODO_update_tmt_usage): New todo.
7632 * tree-ssa-alias.c (updating_used_alone): New variable.
7633 (recalculate_used_alone): New function.
7634 (compute_may_aliases): Set updating_used_alone, call
7635 recalculate_used_alone.
7636 * tree-sra.c (pass_sra): Note that this pass destroys
7637 PROP_tmt_usage, and add TODO_update_tmt_usage.
7638 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7639 * tree-flow.h (updating_used_alone): Prototype.
7640 (recalculate_used_alone): Ditto.
7641 * passes.c (execute_todo): Add code to set updating_used_alone,
7642 and call recalculate.
7643 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7644 for clobber if used alone, and add assert to verify used_alone
7647 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7649 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7650 for non tls symbols added.
7651 (legitimize_address): Do nothing for PLUS expressions if one of the
7652 addends is a tls symbol reference.
7654 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7658 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7660 * Makefile.in (BOOTSTRAPPING): New.
7661 (quickstrap): New definition if BOOTSTRAPPING=yes.
7663 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7664 * configure.ac: Substitute all_selected_languages with the languages
7665 that were configured. For all the other variables except
7666 lang_specs_files, include all the languages in the tree.
7667 * configure: Regenerate.
7669 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7670 if there is one. Run the commands to run fixincludes in the same
7673 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7674 * doc/install.texi: Document exact conventions for searching target tools.
7675 Document --with-build-time-tools. Document toplevel bootstrap. Document
7676 something more about building an Ada cross-compiler. Don't list GNU Make
7677 requirements which affect all platforms.
7679 2006-02-19 Roger Sayle <roger@eyesopen.com>
7682 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7683 only equivalent if the have both the same mode and precision.
7685 2006-02-20 Ben Elliston <bje@au.ibm.com>
7687 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7689 2006-02-19 Roger Sayle <roger@eyesopen.com>
7690 Steven Bosscher <stevenb.gcc@gmail.com>
7692 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7693 constant pool references to identify stack mode constants.
7694 * rtlanal.c (constant_pool_constant_p): New predicate to check
7695 whether operand is a floating point constant in the pool.
7696 * rtl.h (constant_pool_constant_p): Prototype here.
7697 * loop.c (scan_loop): Avoid hoisting constants from the constant
7698 pool on STACK_REGS targets.
7699 (load_mems): Likewise.
7700 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7701 loads into x87 registers expensive in terms of register pressure.
7703 2006-02-19 Roger Sayle <roger@eyesopen.com>
7705 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7706 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7708 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7710 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7711 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7713 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7715 * doc/invoke.texi: Document -fipa-pta.
7716 * common.opt: Add ipa-pta option.
7717 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7718 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7719 (do_ds_constraint): Ditto.
7720 (get_constraint_for): Only add to referenced_vars if
7721 referenced_vars exists.
7722 (insert_into_field_list): Rewrite to do this unsorted.
7723 (insert_into_field_list_sorted): Rename old insert_into_field_list
7725 (create_function_info_for): Use insert_into_field_list_sorted.
7726 (create_variable_info_for): Rewrite so it uses unsorted version,
7727 since the field list is sorted.
7728 (intra_create_variable_infos): Only add to referenced_vars if
7729 referenced_vars exists.
7730 (ipa_pta_execute): Init heapvars, and delete when done.
7731 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7733 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7735 * doc/install.texi: Add missing `@samp'.
7737 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7739 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7742 2006-02-18 Mark Wielaard <mark@klomp.org>
7744 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7745 who added new 4.1 features, bug fixes and integration support.
7747 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7750 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7753 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7755 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7756 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7757 (copy_insn_1): Likewise. Don't copy each field individually.
7759 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7761 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7762 * rtl.c (rtx_size): Rename variable to...
7763 (rtx_code_size): ...this.
7764 (rtx_size): New function.
7765 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7766 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7768 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7769 * rtl.h (rtx_code_size): New variable.
7770 (rtx_size): Change from a variable to a function.
7771 (RTX_SIZE): Rename to...
7772 (RTX_CODE_SIZE): ...this.
7775 PR tree-optimization/17106
7776 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7777 (Anchored Addresses): New section.
7778 * doc/invoke.texi (-fsection-anchors): Document.
7779 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7780 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7781 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7782 * hooks.c (hook_bool_mode_rtx_false): New function.
7783 * hooks.h (hook_bool_mode_rtx_false): Declare.
7784 * gengtype.c (create_optional_field): New function.
7785 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7786 SYMBOL_REF_IN_BLOCK_P is true.
7787 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7788 (min_anchor_offset, max_anchor_offset): Likewise.
7789 (use_anchors_for_symbol_p): New hook.
7790 * toplev.c (compile_file): Call output_object_blocks.
7791 (target_supports_section_anchors_p): New function.
7792 (process_options): Check that -fsection-anchors is only used on
7793 targets that support it and when -funit-at-a-time is in effect.
7794 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7795 if the decl doesn't have one.
7796 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7797 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7798 of force_const_mem through use_anchored_address.
7799 (expand_expr_constant): New function.
7800 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7801 calling expand_expr for INDIRECT_REF.
7802 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7803 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7804 * expr.h (use_anchored_address): Declare.
7805 * loop-unroll.c: Don't declare rtx vectors here.
7806 * explow.c: Include output.h.
7807 (validize_mem): Call use_anchored_address.
7808 (use_anchored_address): New function.
7809 * common.opt (-fsection-anchors): New switch.
7810 * varasm.c (object_block_htab, anchor_labelno): New variables.
7811 (hash_section, object_block_entry_eq, object_block_entry_hash)
7812 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7813 (use_blocks_for_decl_p, change_symbol_section): New functions.
7814 (get_variable_section): New function, split out from assemble_variable.
7815 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7816 use_blocks_for_decl_p say so. Use change_symbol_section if the
7817 symbol has already been created.
7818 (assemble_variable_contents): New function, split out from...
7819 (assemble_variable): ...here. Don't output any code for
7820 block symbols; just pass them to place_block_symbol.
7821 Use get_variable_section and assemble_variable_contents.
7822 (get_constant_alignment, get_constant_section, get_constant_size): New
7823 functions, split from output_constant_def_contents.
7824 (build_constant_desc): Create a block symbol if use_object_blocks_p
7825 says so. Or into SYMBOL_REF_FLAGS.
7826 (assemble_constant_contents): New function, split from...
7827 (output_constant_def_contents): ...here. Don't output any code
7828 for block symbols; just pass them to place_section_symbol.
7829 Use get_constant_section and get_constant_alignment.
7830 (force_const_mem): Create a block symbol if use_object_blocks_p and
7831 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7832 (output_constant_pool_1): Add an explicit alignment argument.
7833 Don't switch sections here.
7834 (output_constant_pool): Adjust call to output_constant_pool_1.
7835 Switch sections here instead. Don't output anything for block symbols;
7836 just pass them to place_block_symbol.
7837 (init_varasm_once): Initialize object_block_htab.
7838 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7839 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7840 (place_block_symbol, get_section_anchor, output_object_block)
7841 (output_object_block_htab, output_object_blocks): New functions.
7842 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7843 (TARGET_ASM_OUT): Include it.
7844 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7845 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7846 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7847 (TARGET_INITIALIZER): Include them.
7848 * rtl.c (rtl_check_failed_block_symbol): New function.
7849 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7850 (block_symbol, object_block): New structures.
7851 (rtx_def): Add a block_symbol field to the union.
7852 (BLOCK_SYMBOL_CHECK): New macro.
7853 (rtl_check_failed_block_symbol): Declare.
7854 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7855 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7856 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7857 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7858 * output.h (output_section_symbols): Declare.
7859 (object_block): Name structure.
7860 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7861 (default_use_anchors_for_symbol_p): Declare.
7862 * Makefile.in (RTL_BASE_H): Add vec.h.
7863 (explow.o): Depend on output.h.
7864 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7865 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7866 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7867 (rs6000_use_blocks_for_constant_p): New function.
7869 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7871 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7873 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7876 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7879 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7881 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7885 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7888 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7889 instead of DECL_REGISTER.
7891 2006-02-18 Olivier Hainque <hainque@adacore.com>
7894 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7896 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7899 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7900 * opth-gen.awk: Handle Var and InverseMask together.
7901 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7902 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7903 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7904 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7906 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7907 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7908 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7909 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7910 LINUX_DYNAMIC_LINKER): Define.
7911 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7912 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7914 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7915 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7916 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7917 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7918 (TARGET_C99_FUNCTIONS): Don't define.
7919 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7920 GLIBC_DYNAMIC_LINKER.
7921 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7922 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7923 GLIBC_DYNAMIC_LINKER64): Define.
7924 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7925 LINUX_DYNAMIC_LINKER64.
7926 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7927 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7928 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7929 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7930 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7931 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7932 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7933 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7934 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7935 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7936 and LINUX_DYNAMIC_LINKER32.
7937 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7938 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7939 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7940 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7941 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7943 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7944 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7945 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7946 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7947 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7948 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7949 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7950 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7951 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7952 LINUX_DYNAMIC_LINKER): Define.
7953 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7954 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7955 GLIBC_DYNAMIC_LINKER64): Define.
7956 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7957 LINUX_DYNAMIC_LINKER64.
7958 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7959 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7960 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7961 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7962 LINUX_DYNAMIC_LINKER): Define.
7963 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7964 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7965 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7966 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7967 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7968 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7969 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7970 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7971 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7972 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7973 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7974 * doc/invoke.texi (-muclibc): Remove caveat about supported
7977 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7979 * doc/cpp.texi (__TIMESTAMP__): Document.
7981 2006-02-17 Roger Sayle <roger@eyesopen.com>
7984 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7985 C is one less than the width of X (and related transformations).
7986 * simplify-rtx.c (simplify_unary_operation_1): Transform
7987 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7988 depending on STORE_FLAG_VALUE, were C is one less then the
7991 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7993 Fix PR tree-optimization/26341
7994 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7995 about NAME_MEMORY_TAG's.
7997 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8000 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8001 with hardware float support, and software float support. Add fcpy
8002 alternative to hardware patterns. Add alternatives to copy between
8003 general and floating-point registers to the 32-bit pattern.
8004 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8005 secondary reload to load a QI or HI mode constant into a floating
8007 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8008 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8010 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8013 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8015 (load_macho_picbase_di): Likewise.
8017 2006-02-16 Jeff Law <law@redhat.com>
8019 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8020 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8021 (ssa_name_nonzero_p): Likewise.
8022 (get_value_range): Return NULL if VRP is not running.
8023 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8024 VRP routines do not discover a range.
8025 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8026 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8027 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8028 (tree_expr_nonnegative_p): Similarly.
8029 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8030 (restore_nonzero_vars_to_original_value): Remove.
8031 (unsafe_associative_fp_binop): Remove.
8032 (tree_ssa_dominator_optimize): Remove initialization and
8033 finalization of nonzero_vars and nonzero_vars_stack.
8034 (dom_opt_initialize_block): No longer push marker on
8036 (dom_opt_finalize_block): No longer call
8037 restore_nonzero_vars_to_original_value.
8038 (record_equivalences_from_phis): No longer look for
8039 nonzero PHI arguments.
8040 (cprop_into_successor_phis): No longer propagate nonzero
8041 property into PHI arguments. Lose unused argument. Caller
8043 (record_equivalences_from_stmt): No longer record nonzero
8044 values for SSA_NAMEs.
8045 (lookup_avail_expr): No longer use nonzero_vars.
8047 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8048 for sizetype when sizetype is unsigned.
8050 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8052 PR rtl-optimization/25603
8053 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8054 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8055 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8056 with new meaning of SETS.
8058 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8063 * config/linux.opt: New file.
8064 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8065 LINUX_DYNAMIC_LINKER): Define.
8066 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8067 * config.gcc (*-*-linux*): Define extra_options.
8068 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8069 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8070 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8071 GLIBC_DYNAMIC_LINKER.
8072 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8073 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8074 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8075 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8076 * doc/invoke.texi (GNU/Linux Options): New section.
8078 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8080 * config/sparc/sparc.md (setjmp): Rewrite.
8081 (setjmp_32): Delete.
8082 (setjmp_64): Likewise.
8084 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8086 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8089 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8091 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8094 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8096 PR rtl-optimization/26296
8097 * Makefile.in (loop-invariant.c): Add except.h dependency.
8098 * loop-invariant.c: Include except.h.
8099 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8101 2005-02-16 Paul Brook <paul@codesourcery.com>
8103 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8106 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8108 PR rtl-optimization/25636
8109 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8110 when deciding whether an insn is an initializing insn.
8112 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8114 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8115 (tree_code_size): Ditto.
8116 * tree.h (struct tree_memory_tag): Remove parent_var.
8117 (struct tree_struct_field_tag): New.
8120 (union tree_node): Add sft member.
8121 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8123 (create_sft): Add size and offset argument, set SFT_OFFSET and
8125 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8126 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8127 * tree-flow-inline.h (get_subvar_at): Update for
8128 SFT_OFFSET/SFT_SIZE.
8129 (var_can_have_subvars): Ditto.
8130 (overlap_subvar): Ditto.
8131 * print-tree.c (print_node): Print out interesting things for
8133 * tree-flow.h (struct subvar): Remove offset and size members.
8134 * tree-ssa-operands.c (get_expr_operands): Update for
8135 get_indirect_ref_operands changes.
8136 (get_indirect_ref_operands): Call add_virtual_operand instead of
8137 add_stmt_operand. Only recurse on base var if requested.
8138 (access_can_touch_variable): New function.
8139 (add_stmt_operand): Split virtual operand handling into ...
8140 (add_virtual_operand): Here. Add offset, size, and for_clobber
8141 arguments. Prune alias sets.
8142 (add_call_clobber_ops): Call add_virtual_operand.
8144 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8147 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8149 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8150 than TREE_CODE as index into omp_clause_num_ops array.
8152 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8154 PR rtl-optimization/26184
8155 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8157 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8158 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8159 must_precede, must_follow and tobe_scheduled.
8162 * opts.c (common_handle_option): Free new_option pointer.
8163 * df-core.c (df_analyze): Free postorder pointer.
8165 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8167 * Makefile.in: Fix the examples about the use of stamps
8169 2006-02-15 Michael Matz <matz@suse.de>
8173 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8174 influenced by maximum_field_alignment or DECL_PACKED.
8175 (update_alignment_for_field): Ditto.
8176 (place_field): Ditto.
8177 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8180 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8182 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8183 (debug_flow_info): Pass it.
8184 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8185 * bb-reorder.c (reorder_basic_blocks): Likewise.
8186 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8187 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8188 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8189 * gcse.c (gcse_main, bypass_jumps): Likewise.
8190 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8191 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8192 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8193 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8194 * rtl.h (dump_flow_info): Adjust prototype.
8195 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8196 * var-tracking.c (variable_tracking_main): Likewise.
8197 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8198 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8201 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8203 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8206 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8208 PR tree-optimization/26209
8209 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8210 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8212 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8214 2006-02-14 Roger Sayle <roger@eyesopen.com>
8217 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8218 (X,Y) and the corresponding symmetry related transformations.
8219 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8220 (X,Y) and its symmetry related transformations.
8222 2006-02-14 Roger Sayle <roger@eyesopen.com>
8224 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8227 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8229 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8231 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8234 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8235 support COMDAT group.
8236 * configure: Regenerate.
8238 2006-02-14 Roger Sayle <roger@eyesopen.com>
8243 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8245 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8247 Fix PR tree-optimization/26260
8249 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8251 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8252 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8253 * tree-ssa-structalias.c (create_variable_info_for): Use
8254 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8256 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8258 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8260 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8261 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8262 of the ending condition.
8263 * tree-ssa-loop-manip.c: Include params.h.
8264 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8265 tree_unroll_loop): New functions.
8266 * tree-pass.h (pass_loop_prefetch): Declare.
8267 * loop.c (rest_of_handle_loop_optimize): Test for
8268 -fprefetch-loop-arrays-rtl.
8269 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8270 * timevar.def (TV_TREE_PREFETCH): New timevar.
8271 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8272 pass_loop_prefetch): New.
8273 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8274 (cleanup_tree_cfg_loop): Call scev_reset.
8275 * common.opt (fprefetch-loop-arrays-rtl): Add.
8276 * tree-ssa-loop-prefetch.c: New file.
8277 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8278 (new_temp_expr_table): Initialize expr_vars.
8279 (free_temp_expr_table): Cleanup expr_vars.
8280 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8281 expressions from being merged into one.
8282 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8283 (struct tree_niter_desc): Add control, bound and cmp fields.
8284 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8286 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8287 (tree-cfgcleanup.o): Add SCEV_H dependency.
8288 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8289 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8291 2006-02-14 Richard Guenther <rguenther@suse.de>
8293 PR tree-optimization/26258
8294 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8295 in PHI argument processing.
8297 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8299 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8300 new expression in the requested machine mode.
8302 2006-02-13 Roger Sayle <roger@eyesopen.com>
8304 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8305 directly, instead let do_compare_rtx_and_jump handle this for us.
8306 * expr.c (expand_expr_real_1): Likewise.
8307 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8308 before do_jump_by_parts_greater.
8309 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8310 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8312 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8314 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8316 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8318 PR rtl-optimization/26235
8319 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8320 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8323 2006-02-13 Jeff Law <law@redhat.com>
8325 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8328 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8331 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8332 twice if decl is a builtin. When trying again, call get_callee_fndecl
8333 first to verify it is still a builtin.
8335 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8337 * dwarf2out.c (base_type_die): Don't add AT_name here.
8338 (subrange_type_die): Don't add AT_name here.
8339 (modified_type_die): Rearrange code flow. Do add AT_name here.
8341 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8343 PR rtl-optimization/26247
8344 PR rtl-optimization/26248
8345 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8347 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8349 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8350 * config/fixtfdi.c: Likewise.
8351 * config/fixunstfdi.c: Likewise.
8352 * config/floatditf.c: Likewise.
8354 2006-02-13 Roger Sayle <roger@eyesopen.com>
8357 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8358 into (X,C2) if C1 is a subset of the bits of C2. Transform
8359 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8361 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8363 2006-02-13 Josh Conner <jconner@apple.com>
8366 * varasm.c (function_section): Check for section name before
8367 calling select_section on targets that define
8368 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8369 unlikely_text_section instead of hot_function_section if
8370 first_function_block_is_cold.
8372 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8375 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8377 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8379 PR rtl-optimization/26222
8380 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8381 after tree->rtl expansion.
8382 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8383 before passing it to emit_move_insn.
8385 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8387 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8389 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8390 Clarify documentation.
8391 * c-common.h (warn_write_strings): Remove.
8392 * c-common.c (warn_write_strings): Likewise.
8393 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8396 2006-02-12 Roger Sayle <roger@eyesopen.com>
8399 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8400 (do_jump_parts_zero_rtx): New function renamed from
8401 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8402 (do_jump_parts_equality_rtx): New function split out from
8403 do_jump_parts_equality. Old implementation renamed as above.
8404 Call do_jump_parts_zero_rtx if either operand is zero.
8405 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8406 do all of the heavy lifting.
8407 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8408 calling either do_jump_by_parts_greater_rtx or
8409 do_jump_by_parts_equality_rtx.
8410 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8411 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8412 moved to do_compare_rtx_and_jump, call it directly.
8413 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8414 mode argument. Call do_compare_rtx_and_jump.
8415 (emit_case_nodes): Update calls to do_jump_if_equal.
8417 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8419 PR rtl-optimization/26225
8420 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8422 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8424 PR rtl-optimization/26232
8425 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8427 2006-02-11 Jason Merrill <jason@redhat.com>
8430 * tree-inline.c (declare_return_variable): Just don't use the
8431 modify target if it's a gimple complex reg and the return slot
8434 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8436 * doc/contrib.texi: Update my entry.
8438 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8440 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8442 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8444 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8447 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8449 * doc/invoke.texi (-floop-optimize2): Removed.
8450 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8451 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8452 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8453 * common.opt (floop-optimize2): Removed.
8454 (fmove-loop-invariants): Enabled by default.
8456 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8458 * tree-if-conv.c (combine_blocks): Free the result of
8459 get_loop_exit_edges.
8461 2006-02-10 Jeff Law <law@redhat.com>
8463 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8465 PR tree-optimization/26213
8466 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8467 loop trying to follow SSA_NAME_VALUE chains.
8469 2006-02-10 Richard Guenther <rguenther@suse.de>
8471 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8472 deal with structures that end in implicitly variable sized arrays.
8474 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8476 PR rtl-optimization/24762
8477 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8480 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8482 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8483 (struct ivopts_data): Add regs_used field.
8484 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8485 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8486 instead of loop_data->regs_used;
8487 (free_loop_data): Do not free aux fields for loops.
8488 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8489 and tree_ssa_iv_optimize_finalize.
8491 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8493 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8495 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8498 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8499 computing the effective result type.
8501 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8504 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8505 (tree_overlaps_hard_reg_set): Declare.
8506 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8507 type and signature to match function type expected by walk_tree.
8508 (tree_overlaps_hard_reg_set): New function.
8509 (decl_conflicts_with_clobbers_p): Rename to:
8510 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8511 Use tree_overlaps_hard_reg_set. Changed caller.
8512 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8513 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8514 * cris.c (cris_md_asm_clobbers): Likewise.
8516 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8518 * reload1.c (emit_input_reload_insns): Delete code that tries to
8519 inherit using find_equiv_reg.
8521 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8523 * c-common.h (flag_const_strings): Don't declare.
8524 * c-common.c (flag_const_strings): Remove.
8525 * c.opt (fconst_strings): Remove.
8526 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8527 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8528 (c_common_init_options): Don't set flag_const_strings.
8529 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8531 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8533 * arm.md (tlobits_cbranch): New pattern.
8534 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8535 testing a single bit.
8537 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8540 * tree-ssa-pre.c (create_component_ref_by_pieces):
8541 Handle RETURN_DECL like VAR_DECL.
8543 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8546 * fold-const.c (fold_indirect_ref_1): Fold
8547 "*(foo *)&complexfoo" to "__real__ complexfoo"
8548 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8550 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8552 * tree-flow-inline.h (var_can_have_subvars):
8553 Volatile variables should not have subvariables.
8555 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8558 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8559 multiplying unsigned values.
8562 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8564 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8566 2006-02-08 Jason Merrill <jason@redhat.com>
8569 * tree.def: Elaborate on difference from MODIFY_EXPR.
8570 * doc/c-tree.texi (INIT_EXPR): Likewise.
8571 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8572 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8573 (gimplify_target_expr): Likewise.
8574 (gimplify_cond_expr): Remove target handling.
8575 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8576 (gimplify_expr): Clobber it here.
8577 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8578 Do return slot optimization if we have an INIT_EXPR.
8581 * tree-inline.c (declare_return_variable): Also clear
8582 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8585 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8588 * gimplify.c (gimplify_one_sizepos): Fix typo.
8590 2006-02-08 Jeff Law <law@redhat.com>
8592 PR tree-optimization/21417
8593 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8594 across a backedge if the control statement at the end of the
8595 block is data dependent on other statements in the same block.
8596 (record_temporary_equivalences_from_stmts): Remove over-conservative
8597 test for threading across backedges.
8599 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8600 control statement, handle all three special cases in the same
8601 manner as they all have the same desired solution. No longer
8602 special case edge flag updating when the post dominator is
8605 2006-02-08 Roger Sayle <roger@eyesopen.com>
8607 * tree.def (CHAR_TYPE): Remove.
8608 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8609 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8610 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8611 (gen_string_type_die): Delete unreachable function.
8613 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8614 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8615 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8616 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8617 * builtins.c (type_to_class): Likewise.
8618 * fold-const.c (fold_convert, build_range_check,
8619 merge_ranges): Likewise.
8620 * expr.c (count_type_elements): Likewise.
8621 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8622 * stor-layout.c (layout_type): Likewise.
8623 * ipa-type-escape.c (type_to_consider): Likewise.
8624 * gimplify.c (omp_firstprivatize_type_sizes,
8625 gimplify_type_sizes): Likewise.
8626 * explow.c (promote_mode): Likewise.
8627 * tree-sra.c (is_sra_scalar_type): Likewise.
8628 * varasm.c (output_constant): Likewise.
8629 * tree-inline.c (remap_type_1): Likewise.
8630 * convert.c (convert_to_pointer, convert_to_real,
8631 convert_to_integer, convert_to_complex): Likewise.
8633 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8635 * df-scan.c (df_def_record_1): A set destination may
8636 be a parallel regardless of mode.
8638 2006-02-08 Roger Sayle <roger@eyesopen.com>
8641 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8642 * config/mips/_tilib.c: Remove.
8643 * config/fixtfdi.c: New libgcc source file.
8644 * config/fixunstfdi.c: New source file.
8645 * config/floatditf.c: New source file.
8646 * config/floatunditf.c: New souce file.
8647 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8648 files above instead of config/mips/_tilib.c.
8649 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8651 2006-02-08 Jeff Law <law@redhat.com>
8653 PR tree-optimization/26169
8654 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8657 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8659 * df.h (DF_REG_SIZE): Return the length of the initialized
8662 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8664 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8665 __muldf3): Return a correctly signed zero.
8667 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8669 * passes.c (register_one_dump_file): Accept the current properties
8670 instead of pass number. Adjust call to dump_register. Remove
8672 (register_dump_files): Now a wrapper around...
8673 (register_dump_files_1): ... this one. Do not modify the pass
8675 (next_pass_1): Cosmetic fix.
8676 (execute_todo): Keep second parameter only. Use curr_properties
8677 instead of fetching it from the pass structure. Check and set
8679 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8680 instead of fetching it from the pass structure. Fix calls to
8681 execute_todo. Update curr_properties and initialize .vcg RTL dump
8682 after running the pass. Reset last_verified.
8683 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8685 (FIRST_AUTO_NUMBERED_DUMP): New.
8686 (dump_register): Remove "num" parameter, assign it within the
8688 (get_dump_file_name): Modify template for dumps.
8689 * tree-dump.h (dump_register): Adjust prototype.
8690 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8691 (PROP_trees): Add PROP_gimple_lomp.
8692 (TODO_set_props): New.
8693 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8694 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8695 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8697 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8699 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8700 (sparc64-*-linux*): Likewise.
8701 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8702 * config/sparc/t-linux: New file.
8703 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8704 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8705 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8706 -m32 -mlong-double-128.
8708 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8709 * config/alpha/t-linux: New file.
8710 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8712 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8713 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8714 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8715 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8716 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8717 (CPP_ARCH32_SPEC): Remove.
8719 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8721 PR tree-optimization/26145
8722 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8725 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8728 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8729 >= 240000 when generating code for SOM runtime.
8730 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8731 to $$dyncall when generating code for SOM runtime..
8733 2006-02-07 Dirk Mueller <dmueller@suse.com>
8736 * doc/invoke.texi (-Wsequence-point): Update documentation
8737 that -Wsequence-point is implemented for C++ as well.
8739 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8741 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8742 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8743 (LIB_SPEC): Likewise.
8744 * doc/invoke.texi (SPARC options): Document -pthread.
8746 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8748 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8751 2006-02-07 Roger Sayle <roger@eyesopen.com>
8753 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8754 Correct comment describing BOOLEAN_TYPE.
8756 2006-02-07 Dirk Mueller <dmueller@suse.com>
8758 * c.opt: C++ frontend supports -Wdiv-by-zero.
8759 * c-opts.c (c_common_handle_option): Remove dead case.
8761 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8763 * configure.ac (TLS assembler check): Do not enable TLS by
8764 default on SPARC/Solaris before version 10.
8765 * configure: Regenerate.
8767 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8769 * doc/invoke.texi (xl-compat): Document conversion and support
8772 2006-02-07 Jeff Law <law@redhat.com>
8774 * tree-vrp.c (find_conditional_asserts): Update comments.
8775 (simplify_stmt_for_jump_threading): New.
8776 (identify_jump_threads, finalize_jump_threads): New.
8777 (vrp_finalize): Call identify_jump_threads.
8778 (execute_vrp): Call finalize_jump_threads.
8779 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8780 (vrp_element, vrp_data, vrp_element_p): Remove.
8781 (vrp_hash_elt, vrp_variables_stack): Remove.
8782 (vrp_hash, vrp_eq, record_range): Remove.
8783 (simplify_cond_and_lookup_avail_expr): Remove.
8784 (extract_range_from_cond): Remove.
8785 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8786 (simplify_stmt_for_jump_threading): New.
8787 (dom_thread_across_edge): New wrapper.
8788 (tree_ssa_dominator_optimize): No longer initialize or
8789 finalize any of the VRP datastructures. Remove iteration
8790 step and simplify as a result of removal of iteration step.
8791 (pass_dominator): Perform a cfg cleanup after DOM.
8792 (dom_opt_finalize_block): Use the new common routines
8793 for threading jumps. Simplify stack management slightly.
8794 No longer need to unwind VRP state.
8795 (record_equivalences_from_incoming_edge): No longer record
8797 (eliminate_redundant_computations): No longer call
8798 simplify_cond_and_lookup_avail_expr.
8799 * tree-flow.h (potentially_threadable_block): Prototype.
8800 (thread_across_edge): Likewise.
8801 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8802 (tree-ssa-threadedge.o): Add dependencies.
8803 * tree-ssa-threadedge.c: New file.
8804 * passes.c (init_optimization_passes): Merge PHIs before
8805 calling VRP. Run VRP again late in the SSA optimization pipeline.
8807 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8809 * df-core.c (df_set_blocks): Do not dereference function pointers.
8810 (df_finish1): Likewise.
8811 (df_hybrid_search_forward): Likewise.
8812 (df_hybrid_search_backward): Likewise.
8813 (df_iterative_dataflow): Likewise.
8814 (df_analyze_problem): Likewise.
8815 (df_compact_blocks): Likewise.
8816 (df_dump): Likewise.
8817 * df-scan.c (df_rescan_blocks): Likewise.
8818 (df_record_entry_block_defs): Likewise.
8820 * genconditions.c (write_conditions): Guard the definition of
8821 'insn_conditions' with the check on GCC version.
8822 (write_writer): Guard the traversal 'insn_conditions' with
8823 the check on GCC version.
8825 2006-02-07 Richard Guenther <rguenther@suse.de>
8829 2006-01-30 Richard Guenther <rguenther@suse.de>
8831 * gimplify.c (gimplify_target_expr): Handle easy cases
8832 without creating a temporary.
8834 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8836 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8837 use of float in probability computations. Use edge probabilities
8838 in place of statically computed probabilities.
8839 (min_spec_prob): New static variable.
8840 (schedule_insns): Initialize it.
8841 (GET_SRC_PROB): Removed.
8842 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8844 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8847 * config/ia64/unwind-ia64.c: Revert last change.
8848 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8849 (INCOMING_FRAME_SP_OFFSET): Define.
8851 2006-02-06 Roger Sayle <roger@eyesopen.com>
8853 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8855 2006-02-07 Ben Elliston <bje@au.ibm.com>
8857 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8858 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8859 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8860 (ix86_return_in_memory): Handle TDmode.
8861 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8862 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8864 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8866 * reorg.c (dbr_schedule): Use dump_file instead of file.
8868 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8871 * config/ia64/predicates.md (extr_len_operand): New predicate.
8872 * config/ia64/ia64.md (extv): Tighten constraints.
8874 (*tbit_and_2): Ditto.
8875 (*tbit_and_3): Ditto.
8876 (*tbit_or_2): Ditto.
8877 (*tbit_or_3): Ditto.
8881 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8884 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8886 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8888 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8889 loop_optimizer_init and loop_optimizer_finalize
8890 * tree-ssa-sink.c (execute_sink_code): Ditto.
8891 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8892 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8893 tree_ssa_loop_done): Ditto.
8894 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8895 * sched-ebb.c: Include output.h.
8896 (schedule_ebbs): Do not use dump argument.
8897 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8898 * loop.c (loop_dump_stream): Removed.
8899 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8901 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8902 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8903 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8904 loop_iterations, strength_reduce, record_biv, record_giv,
8905 final_giv_value, check_final_value, check_ext_dependent_givs,
8906 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8907 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8908 dump_file instead of loop_dump_stream.
8909 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8911 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8913 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8914 * haifa-sched.c: Include output.h
8915 (schedule_insns, sched_init): Do not use dump argument.
8916 * mode-switching.c (optimize_mode_switching): Ditto.
8917 * modulo-sched.c (stats_file): Removed.
8918 (print_node_sched_params): Do not call argument dump_file.
8919 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8920 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8922 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8924 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8925 rtl_loop_init, rtl_loop_done): Ditto.
8926 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8927 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8929 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8930 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8931 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8932 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8933 * emit-rtl.c (renumber_insns): Ditto.
8934 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8935 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8936 * regclass.c (regclass): Ditto.
8937 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8938 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8939 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8940 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8942 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8943 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8945 * gcse.c (gcse_file, debug_stderr): Removed.
8946 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8947 rest_of_handle_gcse): Do not use dump argument.
8948 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8949 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8950 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8951 compute_code_hoist_vbeinout, compute_code_hoist_data,
8952 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8953 compute_store_table, build_store_vectors, insert_insn_start_bb,
8954 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8955 store_motion): Use dump_file instead of gcse_file.
8956 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8957 * profile.c (profile_dump_file): Removed.
8958 (branch_prob): Use dump_file instead of profile_dump_file.
8959 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8961 * tree-ssa-copy.c (dump_copy_of): Ditto.
8962 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8963 dump file to life_analysis.
8964 * bt-load.c (branch_target_load_optimize): Ditto.
8965 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8967 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8968 regclass, dbr_schedule): Declaration changed.
8969 * sched-int.h (sched_init): Declaration changed.
8970 * tree-profile.c (tree_profile_dump_file): Removed.
8971 (tree_profile_hooks): Removed profile_dump_file hook.
8972 * rtl-profile (rtl_profile_dump_file): Removed.
8973 (rtl_profile_hooks): emoved profile_dump_file hook.
8974 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8976 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8977 * tree-cfg.c (build_tree_cfg): Ditto.
8978 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8979 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8980 Declaration changed.
8981 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8982 life_analysis and schedule_insns.
8983 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8985 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8987 * config/mips/mips.c (mips_reorg): Ditto.
8988 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8991 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8993 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8994 (s390_mangle_fundamental_type): New.
8995 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8998 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8999 (alpha_mangle_fundamental_type): New.
9000 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9003 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9005 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9007 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9008 (sparc_mangle_fundamental_type): New.
9010 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9012 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9013 (s390x-*-linux*): Likewise.
9014 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9015 * config/s390/t-linux: New file.
9017 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9019 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9020 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9022 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9024 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9025 (ANTIC_SAFE_LOADS): New macro.
9026 (find_or_generate_expression): Add prototype.
9027 (set_contains_value): Allow null set for sake of not always having
9028 to allocate ANTIC_SAFE_LOADS.
9029 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9030 Allow COMPONENT_REF too.
9031 (valid_in_set): Allow COMPONENT_REF.
9032 Check ANTIC_SAFE_LOADS too.
9033 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9034 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9036 (can_PRE_operation): Add COMPONENT_REF.
9037 (create_component_ref_by_pieces): New function.
9038 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9039 (insert_aux): Move AGGREGATE_TYPE_P check here.
9040 (compute_avail): Set bb local stmt uids.
9041 (pass_pre): Use TODO_update_ssa_only_virtuals.
9043 2006-02-06 Ben Elliston <bje@au.ibm.com>
9045 * configure.ac: Unconditionally disable decimal float by default.
9046 * configure: Regenerate.
9048 2006-02-06 Ben Elliston <bje@au.ibm.com>
9050 * read-rtl.c (read_name): Terminate reading on EOF.
9052 2006-02-06 Ben Elliston <bje@au.ibm.com>
9054 * dfp.c (decimal_real_arithmetic): Change second argument type
9055 from int to enum tree_code. Do not always return true, but now
9056 return result of any call to decimal_do helper functions.
9057 * dfp.h (decimal_real_arithmetic): Update prototype.
9059 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9061 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9063 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9066 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9069 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9071 * tree-vrp.c (cfg_loops): Removed.
9072 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9073 Use current_loops instead of cfg_loops. Pass flags to
9074 loop_optimizer_init.
9075 * cfgloopmanip.c (fix_loop_structure): Update only available
9077 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9078 loop_optimizer_init.
9079 * modulo-sched.c (build_loops_structure): Removed.
9080 (sms_schedule): Use loop_optimizer_init.
9081 * loop-init.c (loop_optimizer_init): Use flags to determine
9082 which properties of loops to prepare.
9083 (rtl_loop_init): Pass flags to loop_optimizer_init.
9084 * tree-ssa-sink.c (execute_sink_code): Ditto.
9085 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9086 * tree-ssa-pre.c (init_pre): Ditto.
9087 * cfgloop.h (LOOPS_NORMAL): New.
9088 (loop_optimizer_init): Declaration changed.
9090 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9092 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9093 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9095 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9097 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9099 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9100 * pa/t-pa64: Delete quadlib.c rule.
9101 * pa/x-ada: Revert last change.
9102 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9104 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9106 PR rtl-optimization/26087
9107 * rtlanal.c (canonicalize_condition): Do not cross basic block
9110 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9113 * config/ia64/ia64.c: Include debug.h.
9114 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9115 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9116 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9117 (process_epilogue, process_set, process_for_unwind_directive):
9118 Output unwind info only if requested. Add CFA info if requested.
9119 Add new arguments as needed. Adjust callers.
9120 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9122 (DWARF2_FRAME_INFO): Define to zero.
9123 * config/ia64/unwind-ia64.c: Remove code that compensated for
9124 the CFA offset error fixed above.
9125 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9126 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9127 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9128 -funwind-tables and -fexceptions to enable frame info.
9129 (dwarf2out_frame_init): Define initial CFA even if
9130 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9131 DWARF2_UNWIND_INFO is nonzero, not just defined.
9132 (dwarf2out_frame_finish): Output non-EH call frame info only
9133 if DWARF2_FRAME_INFO is nonzero.
9134 (convert_cfa_to_loc_list,
9135 compute_frame_pointer_to_cfa_displacement): Define even if
9136 unwind info is not supported.
9137 (gen_subprogram_die): Use the above unconditionally. Remove
9138 legacy alternate code.
9139 * toplev.c (compile_file): Compile in call to
9140 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9141 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9143 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9144 Jakub Jelinek <jakub@redhat.com>
9146 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9147 IBM extended float format long double as "g" on powerpc*-linux.
9149 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9152 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9153 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9155 2006-02-03 Jason Merrill <jason@redhat.com>
9158 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9161 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9162 on the return slot if it's an NRV.
9164 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9166 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9167 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9168 rewrite_use): Do not handle USE_OUTER.
9169 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9170 add_iv_outer_candidates, may_replace_final_value,
9171 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9172 (find_interesting_uses_op): Functionality of
9173 find_interesting_uses_outer_or_nonlin moved here.
9174 (find_interesting_uses_outside): Use find_interesting_uses_op.
9176 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9179 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9181 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9182 Ulrich Weigand <uweigand@de.ibm.com>
9185 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9186 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9187 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9188 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9190 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9191 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9192 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9193 Define secondary reloads for TFmode moves.
9194 (constant_modes): Add TFmode.
9195 (NR_C_MODES): Set to 8.
9196 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9198 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9199 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9200 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9201 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9202 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9203 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9204 (FPR mode macro): Add TFmode.
9205 (DSF mode macro): New.
9206 (<de>, <dee> mode attributes): Removed.
9207 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9208 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9209 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9210 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9211 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9212 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9213 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9214 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9215 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9216 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9217 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9218 "*negabs<mode>2", "sqrt<mode>2"):
9219 Changed <de> to <xde>. R constraint replaced by <Rf>.
9220 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9222 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9223 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9224 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9226 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9227 "extenddftf2", "extendsftf2"): New expanders.
9228 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9229 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9230 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9231 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9233 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9234 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9235 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9236 __floatditf): Add a GCC_4.1.0 symbol version tag.
9237 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9240 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9243 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9244 Use targetm.binds_local_p instead of TREE_PUBLIC.
9246 2006-02-02 Roger Sayle <roger@eyesopen.com>
9248 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9249 on INTEGER_TYPEs to indicate that it denotes a character type.
9250 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9251 signed_char_type_node, unsigned_char_type_node and char_type_node.
9252 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9253 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9254 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9256 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9257 Daniel Berlin <dberlin@dberlin.org>
9259 * tree-tailcall.c (arg_needs_copy_p): New function.
9260 (eliminate_tail_call): Use arg_needs_copy_p.
9261 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9262 (add_virtual_phis): New function.
9264 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9266 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9267 #ignore instead of #scratch for %g7 .register directive.
9269 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9271 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9274 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9276 * flow.c (calculate_global_regs_live): Assert that there aren't any
9279 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9281 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9283 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9284 bsi_after_labels iterator.
9285 * tree-if-conv.c (find_phi_replacement_condition,
9286 replace_phi_with_cond_modify_expr): Likewise.
9287 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9288 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9290 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9292 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9294 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9297 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9298 array after growing it.
9300 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9303 * fold-const.c (fold_checksum_tree): Change type of buf.
9305 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9307 * reload.c (push_secondary_reload): Initialize t_icode.
9309 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9311 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9312 -msoft-float -mlong-double-128 only issue a warning, but don't
9313 swich to DFmode long double.
9315 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9317 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9318 has a constant equivalent, iterate over equivalents for arg0,
9319 calling simplify_relational_operation and if there's a result
9320 cheaper than X, apply fold_rtx and return the result.
9322 2006-02-01 Jan Hubicka <jh@suse.cz>
9324 * opts.c (no_unit_at_a_time_default): New global variable.
9325 (decode_options): Use it.
9326 * opts.h (no_unit_at_a_time_default): Declare.
9328 2006-02-01 Paul Brook <paul@codesourcery.com>
9330 * function.c (assign_parm_setup_reg): Use function argument promotion
9332 * expr.c (expand_expr_real_1): Use function argument promotion rules
9335 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9337 * gcc.c (process_command): Change j to 'unsigned int'.
9339 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9342 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9343 Use the corrected index for the character
9344 out of the string constant.
9346 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9348 * mode-switching.c (optimize_mode_switching): Fix size
9349 allocated for bb_info[n_entities].
9351 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9353 * gcc.c (main): Correct type that is allocated for
9354 explicit_link_files.
9356 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9358 * config/s390/s390.c (init_alignment_context): Set
9359 ALIAS_SET_MEMORY_BARRIER on the MEM.
9360 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9362 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9365 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9367 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9370 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9372 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9373 * regrename.c: Ditto.
9374 * tree-ssa-loop-im.c: Ditto.
9375 * tree-dump.c: Ditto.
9376 * tree-complex.c: Ditto.
9377 * genrecog.c: Ditto.
9378 * tree-ssa-threadupdate.c: Ditto.
9380 * java/class.c: Ditto.
9381 * java/jcf-parse.c: Ditto.
9382 * java/resource.c: Ditto.
9383 * java/except.c: Ditto.
9384 * java/jvspec.c: Ditto.
9385 * java/jcf-write.c: Ditto.
9386 * java/jcf-path.c: Ditto.
9387 * java/gjavah.c: Ditto.
9388 * java/zextract.c: Ditto.
9389 * java/jcf-io.c: Ditto.
9390 * java/jcf.h: Ditto.
9391 * java/buffer.c: Ditto.
9392 * java/lang.c: Ditto.
9393 * java/parse-scan.y: Ditto.
9394 * java/lex.c: Ditto.
9395 * java/lex.h: Ditto.
9396 * cfgloopmanip.c: Ditto.
9397 * postreload-gcse.c: Ditto.
9398 * tree-ssa-loop-manip.c: Ditto.
9399 * postreload.c: Ditto.
9400 * tree-ssa-loop-ch.c: Ditto.
9404 * diagnostic.c: Ditto.
9406 * genoutput.c: Ditto.
9408 * cfghooks.c: Ditto.
9409 * cfgloopanal.c: Ditto.
9410 * objc/objc-act.c: Ditto.
9412 * genextract.c: Ditto.
9413 * genautomata.c: Ditto.
9414 * pretty-print.c: Ditto.
9416 * cgraphunit.c: Ditto.
9419 * haifa-sched.c: Ditto.
9420 * dominance.c: Ditto.
9422 * tree-ssa-loop-ivopts.c: Ditto.
9424 * mode-switching.c: Ditto.
9425 * modulo-sched.c: Ditto.
9427 * ipa-pure-const.c: Ditto.
9429 * fix-header.c: Ditto.
9431 * tree-stdarg.c: Ditto.
9432 * ipa-utils.c: Ditto.
9433 * loop-init.c: Ditto.
9434 * ipa-inline.c: Ditto.
9437 * alloc-pool.c: Ditto.
9438 * dwarf2out.c: Ditto.
9440 * genattrtab.c: Ditto.
9441 * tree-ssa-loop-ivcanon.c: Ditto.
9445 * fortran/gfortranspec.c: Ditto.
9447 * local-alloc.c: Ditto.
9448 * langhooks.c: Ditto.
9449 * function.c: Ditto.
9450 * tree-vectorizer.c: Ditto.
9452 * ipa-type-escape.c: Ditto.
9454 * tree-if-conv.c: Ditto.
9457 * tree-data-ref.c: Ditto.
9458 * loop-unroll.c: Ditto.
9459 * treelang/treetree.c: Ditto.
9462 * ggc-common.c: Ditto.
9464 * coverage.c: Ditto.
9466 * tree-cfgcleanup.c: Ditto.
9467 * tree-ssa-pre.c: Ditto.
9468 * cfgcleanup.c: Ditto.
9469 * loop-invariant.c: Ditto.
9471 * ipa-prop.c: Ditto.
9472 * print-tree.c: Ditto.
9473 * conflict.c: Ditto.
9474 * ggc-page.c: Ditto.
9475 * sched-deps.c: Ditto.
9476 * regclass.c: Ditto.
9477 * tree-object-size.c: Ditto.
9479 * bb-reorder.c: Ditto.
9480 * resource.c: Ditto.
9481 * var-tracking.c: Ditto.
9483 * df-problems.c: Ditto.
9484 * reg-stack.c: Ditto.
9487 * sched-rgn.c: Ditto.
9488 * tree-ssa-structalias.c: Ditto.
9489 * tree-ssa-reassoc.c: Ditto.
9490 * config/darwin-c.c: Ditto.
9491 * config/darwin.c: Ditto.
9492 * config/arm/arm.c: Ditto.
9494 * collect2.c: Ditto.
9497 2006-01-31 Nicolas Pitre <nico@cam.org>
9499 * arm.md (smaxsi3): Make aware of smax_m1.
9502 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9504 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9506 2006-01-31 Richard Guenther <rguenther@suse.de>
9508 * doc/invoke.texi (-msselibm): Document.
9509 * target.h (expand_library_builtin): New target hook.
9510 * builtins.c (expand_builtin): Use expand_library_builtin.
9511 (default_expand_library_builtin): New function.
9512 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9513 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9514 (link_gcc_math_spec): Declare.
9515 (static_specs): Add link_gcc_math_spec.
9516 * expr.h (default_expand_library_builtin): Declare.
9517 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9518 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9519 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9520 * config/i386/i386.opt (msselibm): New target option.
9521 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9522 (ix86_init_sse_abi_builtins): New function.
9523 (ix86_expand_library_builtin): Likewise.
9524 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9525 (override_options): Handle error conditions wrt -msselibm.
9526 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9527 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9528 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9531 2006-01-31 Richard Guenther <rguenther@suse.de>
9532 Paolo Bonzini <bonzini@gnu.org>
9534 * doc/install.texi (--disable-libgcc-math): Document.
9536 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9538 * expr.h (expand_normal): new inline function.
9539 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9541 * dwarf2out.c: use it.
9546 * config/sparc/sparc.c: use it.
9547 * config/i386/i386.c: use it.
9548 * config/rs6000/rs6000.c: use it.
9549 * config/arm/arm.c: use it.
9550 * config/mips/mips.c: use it.
9551 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9553 2006-01-30 Roger Sayle <roger@eyesopen.com>
9555 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9556 argv to the appropriate type.
9558 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9560 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9563 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9566 * config/s390/s390.c (struct machine_function): New flag
9567 decomposed_literal_pool_addresses_ok_p.
9568 (s390_reorg): Set it before final stage of literal pool transforms.
9569 (s390_decompose_address): Only accept displacements of the form
9570 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9572 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9574 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9575 the comparison routine return.
9577 2006-01-30 Michael Matz <matz@suse.de>
9579 * global.c (find_reg): Only evict for global regs.
9580 Take n_refs into account and dump more info.
9582 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9585 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9586 (pragma_trap, pragma_nosave_low_regs): Likewise.
9587 (current_function_anonymous_args): Likewise.
9588 (sh_deferred_function_attributes): New variable.
9589 (sh_deferred_function_attributes_tail): Likewise.
9590 (print_operand): For '@', look up trap_exit attribute.
9591 (calc_live_regs): Look up trapa_handler attribute. For trapa
9592 handlers, save/restore fpscr, but don't do any other
9593 interrupt-specific saves.
9594 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9595 Fix check for partially saved registers to check for SHmedia.
9596 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9597 (sh_output_function_epilogue): Don't clear any of the removed
9599 (sh_insert_attributes): Don't check pragma_interrupt.
9600 Insert deferred attributes. Check that interrupt attribute is
9601 present for other attributes that require its presence.
9602 (sh_attribute_table): Add new attributes trapa_handler and
9604 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9605 Don't check for pragma_interrupt. Don't store argument.
9606 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9607 (sh_deferred_function_attributes): Declare.
9608 (sh_deferred_function_attributes_tail): Likewise.
9609 * sh.md (sp_switch_1): Add operand. Change generator caller.
9610 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9611 (*return_i): Don't use when trap_exit attribute is in effect.
9612 (*return_trapa): New insn pattern.
9614 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9615 setting c_target_objs and cxx_target_objs.
9616 * t-sh: Add rule for sh-c.o.
9618 2006-01-30 Richard Guenther <rguenther@suse.de>
9621 * gimplify.c (gimplify_target_expr): Handle easy cases
9622 without creating a temporary.
9624 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9626 * vec.h (safe_grow): Remove duplicated line.
9628 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9631 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9632 (expand_omp): ... here.
9633 (expand_omp_parallel): Only remove barriers for combined
9634 parallel+workshare constructs.
9636 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9640 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9641 * tree.c (build_qualified_type): Chain the new type to the original
9642 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9643 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9644 (build_pointer_type_for_mode): Only return unqualified types.
9645 (build_reference_type_for_mode): Likewise.
9647 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9649 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9650 * Makefile.in (CXX_COMPAT_WARN): Define.
9651 * configure: Regenerate.
9653 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9656 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9659 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9661 * toplev.c: Fix thinko.
9663 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9664 Marcin Dalecki <martin@dalecki.de>
9666 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9667 (push_srcloc): Use XNEW.
9668 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9670 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9672 * df-core.c (df_set_blocks): Deleted all variable.
9674 2006-01-28 Ian Lance Taylor <ian@airs.com>
9676 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9677 cgraph_output_pending_asms.
9679 2006-01-28 Zack Weinberg <zackw@panix.com>
9681 * c.opt: Add -W(no-)overlength-strings.
9682 * doc/invoke.texi: Document it.
9683 * c-opts.c (c_common_handle_option): -pedantic implies
9684 -Woverlength-strings, if not explicitly disabled already.
9685 (c_common_post_options): -Woverlength-strings defaults to off, and
9686 is always off for C++.
9687 * c-common.c (fix_string_type): Issue warning about strings longer
9688 than is portable only if warn_overlength_strings. Rearrange code
9689 a little for clarity.
9690 * configure.in: Check for -Wno-overlength-strings as well before
9691 enabling -pedantic in stage 1.
9692 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9693 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9695 * genconditions.c (write_header, write_one_condition)
9696 (write_conditions, write_writer): Consolidate very long strings
9697 that were broken up to fit in C89 portable limit. Don't use
9698 printf when fputs will do.
9700 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9702 * combine.c (simplify_comparison <AND>): Check
9703 TRULY_NOOP_TRUNCATION before start using a subreg.
9705 * config/mips/mips.md (*branch_zero<mode>,
9706 *branch_zero<mode>_inverted, *branch_equality<mode>,
9707 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9708 Remove mode check from comparisons.
9710 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9712 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9714 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9716 * expmed.c (const_mult_add_overflow_p): Remove.
9717 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9719 * recog.c (validate_replace_rtx_subexp): Remove.
9720 * recog.h: Remove the prototype for
9721 validate_replace_rtx_subexp.
9723 * integrate.h: Remove the prototype for
9724 copy_decl_for_inlining.
9725 * rtl.h: Remove the prototype for mark_constant_function.
9726 * tree-vectorizer.h: Remove the prototype for
9727 vect_strip_conversion.
9729 * modulo-sched.c (create_partial_schedule,
9730 free_partial_schedule, reset_partial_schedule): Make them
9733 * hooks.c (hook_bool_rtx_int_false): Remove.
9734 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9736 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9738 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9739 and -mlong-double-128 are incompatible.
9740 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9741 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9742 (TARGET_LIBGCC2_CFLAGS): Define.
9743 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9744 (TARGET_LIBGCC2_CFLAGS): Same.
9745 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9747 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9750 * c-typeck.c (build_binary_op): Perform implicit casts of
9751 operands before shortening them.
9753 * cfgloopmanip.c (split_loop_bb): Remove.
9754 * cfgloop.h: Remove the prototype for split_loop_bb.
9756 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9757 * cfgloop.h: Remove the prototype for
9758 flow_loop_outside_edge_p.
9760 * emit-rtl.c (init_virtual_regs): Make it static.
9761 * function.h: Remove the prototype for init_virtual_regs.
9763 * recog.c (peephole2_optimize): Make it static.
9764 * recog.h: Remove the prototype for peephole2_optimize.
9766 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9768 * df-scan.c (df_record_entry_block_defs): Check if
9769 INCOMING_RETURN_ADDR_RTX is defined.
9771 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9772 Kenneth Zadeck <zadeck@naturalbridge.com>
9774 PR rtl-optimization/24762
9775 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9776 * targhooks.c (hook_void_bitmap): New hook prototype.
9777 * targhoohs.h (hook_void_bitmap): Ditto.
9778 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9779 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9780 * target.h (live_on_entry): New function pointer.
9781 * df-scan.c (df_all_hard_regs): Removed.
9782 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9783 (df_scan_free_internal): Added df->entry_block_defs.
9784 (df_scan_alloc): Ditto.
9785 (df_scan_dump): Ditto.
9786 (df_uses_record): Plumbed flag field properly thru calls.
9787 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9788 This part fixes PR24762.
9789 (df_bb_refs_record): Added code to make the frame and arg
9790 pointers live in EH blocks.
9791 (df_refs_record): Added call to df_record_entry_block_defs.
9792 (df_record_entry_block_defs): New function.
9793 * df-core.c: Added comments to describe new artifical defs.
9794 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9795 (entry_block_defs): New field in struct df.
9796 (df_all_hard_regs): Deleted.
9797 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9798 * df-problems.c (df_ru_bb_local_compute_process_def):
9799 Added code to handle artifical defs in the entry to a function.
9800 (df_ru_bb_local_compute): Ditto.
9801 (df_rd_bb_local_compute_process_def): Ditto.
9802 (df_rd_bb_local_compute): Ditto.
9803 (df_lr_bb_local_compute): Ditto.
9804 (df_ur_bb_local_compute): Ditto.
9805 (df_urec_bb_local_compute): Ditto.
9806 (df_chain_create_bb): Ditto.
9807 (df_ur_local_finalize): Removed entry.
9808 (df_urec_init): Ditto.
9809 (df_urec_local_finalize): Ditto.
9810 (df_ri_bb_compute): Added detection of last use of pseudos.
9811 * Makefile.in (df-scan.o): Updated dependencies.
9812 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9813 * config/mips/mips.c (mips_set_live_on_entry): Added.
9814 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9816 * dce.c (marked_insn_p): Added code to handle artifical defs.
9818 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9820 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9822 (_mm_cvtsi128_si64): Likewise.
9823 (_mm_cvtsd_si64): Likewise.
9824 (_mm_cvttsd_si64): Likewise.
9825 (_mm_cvtsi64_sd): Likewise.
9826 (_mm_cvtsi64_si128): Likewise.
9827 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9828 (_mm_cvtsi64_m64): Likewise.
9829 (_m_to_int64): Likewise.
9830 (_mm_cvtm64_si64): Likewise.
9831 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9832 (_mm_cvttss_si64): Likewise.
9833 (_mm_cvtsi64_ss): Likewise.
9834 (_mm_cvtss_f32): Likewise.
9836 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9838 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9839 for pragma redefine_extname.
9841 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9844 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9845 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9846 -mno-minimal-toc to previous content.
9847 (bispecs): Remove goal.
9848 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9849 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9850 compatibility aliases on powerpc-*-*gnu*.
9851 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9852 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9853 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9854 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9855 (ldblspecs): New goal.
9856 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9857 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9859 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9860 L_sf_to_tf or L_df_to_tf is defined.
9862 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9863 Alan Modra <amodra@bigpond.net.au>
9866 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9867 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9868 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9869 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9870 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9871 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9872 (rs6000_override_options): Initialize rs6000_ieeequad.
9873 Initialize TFmode format to ibm_extended_format if not
9875 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9877 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9878 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9879 (function_arg_advance): IBM long double passed in two FPRs, not
9881 (function_arg): IBM long double passed in FPRs.
9882 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9883 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9884 Only multireg GPR aligned.
9885 (rs6000_init_libfuncs): Enable IBM long double functions if not
9887 (rs6000_generate_compare): Use IBM long double compare if not
9889 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9890 (TARGET_IEEEQUAD): Define.
9891 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9892 not TARGET_IEEEQUAD.
9893 * config/rs6000/rs6000.md: Enable TFmode patterns if
9895 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9896 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9897 and -mlong-double-128 are incompatible.
9898 * doc/invoke.texi (-mabi): Collect options together. Add
9899 ibmlongdouble and ieeelongdouble.
9901 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9903 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9905 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9906 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9907 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9908 * rtl.h (rtunion_def): Remove rt_ptr.
9910 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9911 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9912 * config/i386/winnt.c (i386_pe_mark_dllexport)
9913 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9915 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9917 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9919 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9923 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9924 pthread_key_delete. From John David Anglin. gthrw-ify
9925 pthread_getunique_np only if it it's not a macro. Delete
9927 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9928 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9929 __gthread_objc_condition_signal, __gthread_key_delete): Add
9930 "__attribute__ ((__unused__))" to unused arguments.
9931 (__gthread_recursive_mutex_init_function): Add missing return.
9932 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9933 gthr-posix95.h: Use macro-based approach for name redirection
9934 on targets missing weakref.
9936 2006-01-26 Zack Weinberg <zackw@panix.com>
9938 * genconditions.c (write_header): In generated code, #ifdef out
9939 all includes and fake declarations, except includes of bconfig.h
9940 and system.h, unless GCC_VERSION >= 3001. Do not include
9941 gensupport.h in any case.
9942 (write_conditions): Generate a definition of struct c_test. Add
9943 a comment to the generated #endif.
9944 (write_one_condition): Escape backslashes in string too.
9945 (write_writer): Generated code must escape backslashes and quote
9946 marks (but not newlines) in the strings it writes.
9947 * Makefile.in (build/gencondmd.o): Update dependencies.
9949 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9952 * Makefile.in (insn-automata.o): Add header file dependencies.
9953 * genautomata.c: Add includes.
9955 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9958 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9960 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9962 * configure.ac: Expect target tools paths to be passed from the toplevel
9963 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9965 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9967 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9970 * c.opt (Wpointer-sign): Init to -1.
9971 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9972 OPT_pedantic, to 0 otherwise.
9973 * doc/invoke.texi: Update.
9975 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9977 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9978 constants provided by 80387 instructions in the destination mode.
9980 2006-01-26 Richard Guenther <rguenther@suse.de>
9981 Andrew Pinski <pinskia@physics.uc.edu>
9984 partial PR tree-opt/17064
9985 * tree-ssa-structalias.c (intra_create_variable_infos):
9986 Create heap variables for incoming parameters if
9987 flag_argument_noalias > 1.
9988 (find_what_p_points_to): Look through default defs of
9991 2006-01-26 Jeff Law <law@redhat.com>
9994 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9995 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9996 within the VR_RANGE, use the VR_RANGE as the result, not the
9998 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9999 bounds for the type.
10001 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10003 * tree-ssa-alias.c (maybe_create_global_var): Change
10004 subvar walking to an assertion that we don't have subvar'd variables.
10006 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10009 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10010 Use a new variable, inner. PARM_DECLs are always non-weak.
10012 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10014 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10015 --disable-checking.
10017 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10019 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10021 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10023 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10024 (smax_insn, smin_insn, smax_0, smin_0): New.
10026 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10029 * config/cris/cris.c (cris_order_for_addsi3): New function.
10030 * config/cris/cris-protos.h: Prototype it.
10031 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10032 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10033 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10034 (split for "op.S1 [rx=rx+i],ry (swapped)")
10035 (split for "op(s|u).S1 [rx=rx+i],ry")
10036 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10037 Apply cris_order_for_addsi3 when generating addsi3 insns.
10039 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10041 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10042 (TREE_BLOCK): Add call to EXPR_CHECK.
10044 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10047 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10048 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10049 (dump_omp_clauses): ... here.
10050 (dump_generic_node): Handle OMP_CLAUSE.
10051 * tree.c (omp_clause_num_ops): New.
10052 (omp_clause_code_name): New.
10053 (tree_code_size): Handle OMP_CLAUSE.
10054 (tree_size): Likewise.
10055 (make_node): Document handling of OMP_CLAUSE.
10056 (tree_node_structure): Handle OMP_CLAUSE.
10057 (omp_clause_check_failed): New.
10058 (omp_clause_range_check_failed): New.
10059 (omp_clause_operand_check_failed): New.
10060 (build_omp_clause): New.
10061 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10062 * tree.h (enum omp_clause_code): Declare.
10063 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10064 (OMP_CLAUSE_RANGE_CHECK): Define.
10065 (OMP_CLAUSE_ELT_CHECK): Define.
10066 (omp_clause_check_failed): Declare.
10067 (omp_clause_operand_check_failed): Declare.
10068 (omp_clause_range_check_failed): Declare.
10069 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10070 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10071 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10072 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10073 (OMP_CLAUSE_IF_EXPR): Likewise.
10074 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10075 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10076 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10077 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10078 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10079 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10080 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10081 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10082 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10083 (OMP_CLAUSE_CODE): Define.
10084 (OMP_CLAUSE_SET_CODE): Define.
10085 (OMP_CLAUSE_CODE): Define.
10086 (OMP_CLAUSE_OPERAND): Define.
10087 (struct tree_omp_clause): Declare.
10088 (union tree_node): Add field 'omp_clause'.
10089 * treestruct.def (TS_OMP_CLAUSE): Define.
10090 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10091 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10092 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10093 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10094 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10095 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10096 (OMP_CLAUSE): Define.
10097 * print-tree.c (print_node): Handle OMP_CLAUSE.
10098 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10099 * c-typeck.c: Likewise.
10100 * gimplify.c: Likewise.
10101 * c-omp.c: Likewise.
10102 * tree-nested.c: Likewise.
10103 * tree-inline.c: Likewise.
10104 * c-parser.c: Likewise.
10105 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10108 2006-01-25 Roger Sayle <roger@eyesopen.com>
10110 PR rtl-optimization/25703
10111 * combine.c (try_combine): Handle zero_extract and strict_low_part
10112 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10114 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10116 * global.c: Fix comment typos.
10118 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10121 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10122 Use output_addr_const instead of assemble_name.
10124 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10126 * Makefile.in (sched-vis.o): Update dependencies.
10127 * haifa-sched.c (sched_finish): Clear current_sched_info.
10128 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10129 (dump_flow_info): Call it.
10130 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10132 * basic-block.h (dump_bb_info): Declare.
10133 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10134 option, and apply options only for dump files whose TDF_RTL,
10135 TDF_TREE, or TDF_IPA bits match.
10136 * rtl.h: Declare new functions exported from sched-vis.c.
10137 * sched-vis.c: Enable also if scheduling is not used.
10138 (print_value): Print the mode of registers if not inside scheduling.
10139 (print_insn): Make it work outside the scheduler. Beautify the output
10141 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10143 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10145 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10146 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10147 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10148 depending on the value of CONSTANT_POOL_ADDRESS_P.
10149 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10151 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10152 rather than SYMBOL_REF_DECL.
10153 (rtx_constant_pool): Remove const_rtx_sym_htab.
10154 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10155 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10156 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10157 Remove handling of const_rtx_sym_htab.
10158 (find_pool_constant): Delete.
10159 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10160 rather than find_pool_constant.
10161 (get_pool_constant_for_function): Delete.
10162 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10163 find_pool_constant.
10164 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10165 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10166 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10167 (SYMBOL_REF_CONSTANT): New macro.
10168 (get_pool_constant_for_function): Delete.
10169 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10170 rather than SYMBOL_REF_DECL.
10171 (i386_pe_mark_dllimport): Likewise.
10172 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10173 rather than SYMBOL_REF_DECL.
10174 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10175 (machopic_indirect_call_target): Likewise.
10177 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10179 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10181 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10183 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10185 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10187 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10189 2006-01-24 David Daney <ddaney@avtrex.com>
10192 * configure.ac (enable_tls): New enable option.
10193 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10194 * configure: Regenerate.
10195 * doc/install.texi (--enable-tls): Document new option.
10196 (--disable-tls): Ditto.
10198 2006-01-24 Richard Henderson <rth@redehat.com>
10200 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10201 * alias.c (true_dependence): Respect it.
10202 (canon_true_dependence, write_dependence_p): Likewise.
10203 * builtins.c (get_builtin_sync_mem): Set it.
10205 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10207 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10210 2006-01-24 DJ Delorie <dj@redhat.com>
10212 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10213 for storing constants in single-bit bitfields.
10215 2006-01-25 Ben Elliston <bje@au.ibm.com>
10217 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10219 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10222 * tree-ssa-pre.c (phi_translate): Return NULL
10223 for AGGREGATE_TYPE's.
10225 2006-01-24 Zack Weinberg <zackw@panix.com>
10227 * genautomata.c (process_state_for_insn_equiv_partition):
10228 Use xcalloc for insn_arcs_array.
10229 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10230 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10232 2006-01-24 Richard Henderson <rth@redhat.com>
10234 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10235 update all callers.
10237 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10239 PR rtl-optimization/25890
10240 PR rtl-optimization/25905
10241 * combine.c (expand_compound_operation, expand_field_assignment):
10242 Fail if the bitfield's final position is out of bounds.
10244 2006-01-24 Ian Lance Taylor <ian@airs.com>
10246 PR middle-end/25930
10247 * cgraphunit.c (cgraph_output_in_order): Don't clear
10248 cgraph_asm_nodes until after asm strings have been output.
10250 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10252 * fix-header.c (read_scan_file): Add new parameter imultilib when
10253 calling register_include_chains.
10255 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10257 * omp-low.c: Update documentation.
10259 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10260 Daniel Berlin <dberlin@dberlin.org>
10264 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10265 return from the function.
10267 2006-01-22 Zack Weinberg <zackw@panix.com>
10269 * rtl.def (match_code): Add second argument.
10270 * genpreds.c (write_extract_subexp): New function.
10271 (write_match_code): Add path argument. Use write_extract_subexp.
10272 (write_predicate_expr): Pass path to write_match_code.
10273 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10274 not perform a mode test.
10275 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10276 a subexpression does not constrain the top-level code set.
10277 * read-rtl.c (read_rtx_variadic): New function.
10278 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10279 * doc/md.texi: Document new notation.
10280 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10281 (cmpsi_operand): ... here, using new notation.
10283 2006-01-22 Zack Weinberg <zackw@panix.com>
10285 * varray.c: Remove GENERATOR_FILE #ifdefs.
10287 2006-01-22 Zack Weinberg <zackw@panix.com>
10289 * genautomata.c (output_reserved_units_table): Emit nothing if
10290 description->query_units_num is zero. Remove extra blank line.
10291 (output_cpu_unit_reservation_p): Short circuit
10292 if description->query_units_num is zero.
10294 2006-01-22 Zack Weinberg <zackw@panix.com>
10296 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10297 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10298 nor any of the random handful of variables that used to be necessary
10299 when this program was linked with rtlanal.o. Prune set of forward
10300 function declarations.
10301 (struct attr_desc): Remove static_p field.
10302 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10303 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10304 (attr_string): Do not read the character one past the length of
10306 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10307 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10308 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10309 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10310 (make_automaton_attrs): New.
10311 (main): Do not call into genautomata. Call local gen_bypass
10312 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10313 Remove special case for insn_alts.
10314 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10315 varray.h (leftover from previous change). Prune set of forward
10316 function declarations. Remove state_alts fields from all
10317 structures. Remove state_alts_table from struct automaton.
10318 Make everything except main static. Do not maintain num_dfa_decls.
10319 Do not maintain state_alts fields of various structures.
10320 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10321 (add_arc): Remove state_alts argument. All callers updated.
10322 (output_reserved_units_table): Emit #ifdef here...
10323 (output_tables): ...not here. Don't generate state_alts tables.
10324 (expand_automata): Don't generate attributes.
10325 (write_automata): Don't generate state_alts functions.
10326 (main): New function.
10327 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10328 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10329 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10330 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10331 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10332 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10333 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10334 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10336 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10337 * genattrtab.h: Delete file.
10338 * Makefile.in (OBJS-common): Add insn-automata.o.
10339 (insn-automata.o): New rule.
10340 (simple_generated_c): Add insn-automata.c.
10341 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10342 (genprogmd): Add automata.
10343 (build/genattrtab): Needs no extra objects nor libraries.
10344 (build/genautomata): Needs build/vec.o and -lm.
10346 2006-01-22 Zack Weinberg <zackw@panix.com>
10348 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10349 (output_dfa_max_issue_rate, locked_states_num): Delete.
10350 (struct automaton): Add locked_states field.
10351 (output_dead_lock_vect): Save number of locked states in
10352 automaton->locked_states. If it is zero, don't print anything.
10353 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10354 (output_internal_dead_lock_func): Only test the dead_lock_vect
10355 for automata that have locked states.
10356 (output_statistics): Always print the number of locked states for
10357 each automaton. Calculate total number of locked states here.
10358 (write_automata): Don't call output_dfa_max_issue_rate.
10359 * genattrtab.c: Define length_unit_log as a const variable.
10360 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10361 max_insn_queue_index const.
10362 * final.c (length_unit_log): Declare const.
10363 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10365 2006-01-22 Zack Weinberg <zackw@panix.com>
10367 * genautomata.c: Include vec.h, not varray.h.
10368 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10369 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10370 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10371 VEC_* macros operating on appropriately typed vectors, or to
10372 malloced arrays when the size is known in advance. Const-ify
10373 many char* variables and function arguments. No functional changes.
10374 * Makefile.in (build/varray.o): Delete rule.
10375 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10376 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10378 2006-01-22 Zack Weinberg <zackw@panix.com>
10380 * gensupport.c: Define get_insn_name and record_insn_name here.
10381 (read_md_rtx): Call record_insn_name as appropriate.
10382 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10383 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10384 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10386 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10387 (BUILD_VARRAY): Delete.
10388 (genprognormal): Rename genprogmd. Fold in all programs from
10389 genprognoprint; also attrtab.
10390 (build/genattrtab): Just mention genautomata.o and varray.o.
10391 Reorganize a bit, add comments to make the categories clearer.
10393 2006-01-22 Zack Weinberg <zackw@panix.com>
10395 * genconditions.c (condition_table, add_condition): Delete.
10396 (write_conditions): Don't emit n_insn_conditions nor
10397 insn_elision_unavailable. Issue the gcc version #ifdef here,
10398 inside the table, with no #else clause ...
10399 (write_header): ...not here.
10400 (write_writer): New function.
10401 (main): Don't initialize condition_table. Use add_c_test.
10403 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10404 files on the command line.
10405 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10406 Return -1 if there is no entry in the table, don't abort.
10407 (add_c_test, traverse_c_tests): New functions.
10408 * gensupport.h (insn_elision_unavailable, insn_conditions)
10409 (n_insn_conditions): Delete declarations.
10410 (add_c_test, traverse_c_tests): Declare.
10411 * read-rtl.c: Include gensupport.h.
10412 (read_conditions): New function.
10413 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10414 (read_rtx_1): If we get EOF when we were looking for an initial
10415 open paren, return 0. Call read_conditions when appropriate.
10416 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10417 dummy-conditions.o. Eliminate references to insn-conditions.o,
10418 or change them to build/gencondmd.o, as appropriate. Remove
10419 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10420 from $(simple_generated_c). For all files remaining in those
10421 two lists, add insn-conditions.md to the generator command line.
10422 Give insn-constants.h/s-constants their own rules. Add rules
10423 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10424 (build/read-rtl.o): Depend on gensupport.h.
10425 (genprognormal): Include preds.
10426 (genprogearly): Rename genprognoprint; only difference is now that
10427 they don't link with $(BUILD_PRINT).
10428 * dummy-conditions.c: Delete.
10430 2006-01-22 Zack Weinberg <zackw@panix.com>
10432 * genextract.c: Don't include insn-config.h. Do include vec.h.
10433 Declare vectors of int, char, and locstr.
10434 (locstr): New typedef.
10435 (struct extraction): Make all array fields into bare pointers.
10436 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10437 (insn_code_number): Delete.
10438 (accum_extract): New struct.
10439 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10440 (gen_insn): Take insn_code_number as an argument. Use an
10441 accum_extract structure instead of loading data directly into
10442 a struct extraction, and having to know how big it might get.
10443 (walk_rtx): Operate entirely on an accum_extract structure.
10444 (print_path): Avoid unnecessary use of printf.
10445 (print_header): New function, split out of main. Distinguish
10446 more carefully between an unrecognizable insn and an insn that
10447 has the code number of a define_expand.
10448 (main): Pass insn_code_number to gen_insn. Call print_header
10449 only after parsing. Avoid unnecessary use of printf.
10450 * Makefile.in (build/vec.o): New rule.
10451 (build/genextract): Depend on build/vec.o.
10452 (build/genextract.o): Don't depend on insn-config.h.
10454 2006-01-22 Zack Weinberg <zackw@panix.com>
10456 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10457 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10458 practical. Eliminate per-generator-program link rules.
10460 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10462 PR middle-end/24437
10463 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10464 with a call expr to ...
10465 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10467 2006-01-23 Richard Guenther <rguenther@suse.de>
10469 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10470 before make_edge with conditional EDGE_TRUE_VALUE.
10472 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10473 Jan Hubicka <jh@suse.cz>
10474 Richard Guenther <rguenther@suse.de>
10476 PR rtl-optimization/25654
10477 * cfgexpand.c (aggregate_contains_union_type): New function.
10478 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10479 for structure variables that contain a union type.
10481 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10483 * gengtype.c (new_structure): Return the structure.
10484 (create_option): Add an extra "next" argument.
10485 (create_field): New function.
10486 (adjust_field_rtx_def): Use create_option and create_field.
10487 Remove a now-unnecessary call to find_structure.
10488 (adjust_field_tree_def): Likewise.
10489 (note_yacc_type): Remove an unnecessary call to find_structure.
10490 * gengtype.h (new_structure): Return the structure.
10491 (create_option): Add an extra argument.
10492 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10493 (option): Adjust calls to create_option.
10495 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10497 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10499 2006-01-22 Paul Brook <paul@codesourcery.com>
10500 Peter Barada <peter@the-baradas.com>
10502 * config/m68k/m68k.md: Add Coldfire FPU support.
10503 Define FP mode macro and associated attributes.
10504 Use it for float mode patterns.
10505 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10506 (LIBCALL_VALUE): Use m68k_libcall_value.
10507 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10508 (m68k_function_value): Ditto.
10509 (emit_move_sequence): Ditto.
10510 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10511 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10512 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10513 (MULTILIB_EXCEPTIONS): Ditto.
10514 * config/m68k/m68k.opt: Add mcfv4e.
10515 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10516 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10517 (m68k_output_function_prologue): Save ColdFire FPU registers.
10518 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10519 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10520 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10521 ColdFire FPU registers.
10522 (m68k_libcall_value, m68k_function_value): New functions.
10523 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10524 (LIBCALL_VALUE): Use m68k_libcall_value.
10525 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10526 (MASK_COLDFIRE): Add MASK_CFV4E.
10527 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10528 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10529 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10530 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10531 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10532 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10533 * doc/invoke.tex: Document -mcfv4e on m68k.
10535 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10537 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10540 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10543 * c-opts.c (c_common_handle_option): Don't include
10544 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10545 * doc/invoke.texi (C++ Dialect Options): Document that
10546 -Wnon-virtual-dtor is no longer included in -Wall.
10548 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10550 * gcov.c (print_version), gcov-dump.c (print_version),
10551 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10554 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10556 * df-scan.c (problem_SCAN): Added NULL reset function.
10557 (df_scan_reset_blocks): Added code to call reset block function
10558 (df_bb_refs_delete) Fixed comment.
10559 (df_insn_refs_delete): Made tolerant of deleting non existent info
10560 for dataflow problems that need to be reset.
10561 * df-core.c (df_set_blocks): Ditto.
10562 * df.h (struct df_problem): Added reset_fun.
10563 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10564 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10565 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10566 functions to clear out all references to def-use or use-def chains.
10568 2006-01-21 Ben Elliston <bje@au.ibm.com>
10570 * varasm.c (assemble_real): Initialise data array.
10572 2006-01-20 Paul Brook <paul@codesourcery.com>
10574 Merge from csl-arm-branch.
10575 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10576 * config/arm/arm.md (movdi): Force operands[1] to a register
10577 if we have a non-register source.
10578 (*arm_movdi, *movdf_soft_insn): Require that one of the
10579 operands be a register.
10580 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10581 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10583 2006-01-20 DJ Delorie <dj@redhat.com>
10585 * varasm.c (initializer_constant_valid_p): Allow pointers
10586 initialized from integer constants of lesser precision.
10587 (output_constant): Allow non-int-sized pointer modes to be
10588 initialized from integer constants.
10590 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10593 * cppdefault.h (struct default_include): Add multilib flag.
10594 * cppdefault.c (cpp_include_defaults): Set it.
10595 * c.opt (-imultilib): New option.
10596 * c-opts.c (imultilib): New.
10597 (c_common_handle_option): Handle -imultilib.
10598 (c_common_post_options): Likewise.
10599 * c-incpath.c (add_standard_paths, register_include_chains):
10601 * c-incpath.h (register_include_chains): Add extra parameter.
10602 * gcc.c (do_spec_1): Generate -imultilib option.
10603 (The Specs Language): Update %I description.
10604 (process_command): Update copyright notice.
10605 * doc/cppopts.texi (-imultilib): Document.
10606 * doc/invoke.texi (-imultilib): Include in option summary.
10607 (%I): Update specs documentation.
10609 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10611 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10613 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10615 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10618 2006-01-20 Richard Guenther <rguenther@suse.de>
10619 Steven Bosscher <stevenb.gcc@gmail.com>
10621 PR rtl-optimization/24626
10622 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10623 EDGE_TRUE_VALUE if in RTL mode.
10626 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10627 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10629 2006-01-20 Dirk Mueller <dmueller@suse.com>
10632 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10633 instead of a special NOP marker.
10634 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10635 NOP marker handling.
10636 * c-common.h (empty_body_warning): Add forward declaration.
10637 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10638 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10640 2006-01-20 Paul Brook <paul@codesourcery.com>
10642 * Makefile.in (lang_checks): Keep going if mkdir fails.
10644 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10646 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10647 be able to clean out basic block when not necessary.
10648 (df_scan_free): Fixed to properly delete information if df is
10649 unused before calling df_finish.
10650 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10651 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10653 (df_bb_refs_delete): New function.
10654 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10655 * df-core.c (df_set_blocks): Added code to properly clean out
10656 unused blocks if they are not part of the blocks to consider.
10657 Added additional null check.
10658 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10659 be able to clean out basic block when not necessary
10660 * df.h (df_free_bb_function): Ditto.
10661 (df_bb_refs_delete): New function.
10662 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10663 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10664 basic block parameter to be able to clean out basic block when not
10666 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10667 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10668 Fixed to properly delete information if df is unused before
10671 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10673 PR rtl-optimization/25799
10674 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10675 Corrected confluence operator to remove bits from op2 before oring
10676 with op1 rather than removing bits from op1.
10677 (df_ru_transfer_function): Corrected test on wrong bitmap which
10678 caused infinite loop. Both of these problems were introduced in
10679 the dataflow rewrite.
10681 2006-01-19 DJ Delorie <dj@redhat.com>
10683 * reload1.c (find_reload_regs): Note the details of reload
10684 failures in the dump file.
10685 (spill_failure): Likewise.
10687 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10689 * loop-iv.c: Include df.h and hashtab.h.
10690 (enum iv_grd_result): New enum.
10691 (DF_REF_IV, DF_REF_IV_SET): New macros.
10692 (struct biv_entry): New.
10693 (df, bivs): New global variables.
10694 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10695 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10697 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10698 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10699 analyzed_for_bivness_p, record_biv): New functions.
10700 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10701 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10702 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10704 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10706 (iv_number_of_iterations): Use new interface to iv analysis.
10707 * loop-unroll.c: Do not include varray.h.
10708 (analyze_iv_to_split_insn): Use new interface to iv
10710 * loop-unswitch.c (may_unswitch_on): Ditto.
10711 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10713 (df_bb_modify): Realloc tables to the new index.
10714 (df_find_use): New function.
10715 * df.h (df_find_use): Declare.
10716 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10718 * cfgloop.h (struct rtx_iv): Remove analysed field.
10719 (iv_get_reaching_def): Removed.
10720 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10721 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10722 (loop-iv.o): Add df.h and hashtab.h dependency.
10723 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10725 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10728 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10730 (__floatundisf, __floatundidf): Likewise.
10731 * libgcc2.h (IS_IBM_EXTENDED): Define.
10733 2006-01-19 DJ Delorie <dj@redhat.com>
10735 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10737 2006-01-19 Paul Brook <paul@codesourcery.com>
10739 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10740 as nothrow when unwinding tables are disabled.
10742 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10745 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10746 of bit-field" when in system header.
10748 2006-01-19 DJ Delorie <dj@redhat.com>
10750 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10751 the 16 bit shift limit of the m16c.
10753 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10756 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10757 * config/i386/i386.c (output_set_got): Output the label if we have one
10758 for the TARGET_DEEP_BRANCH_PREDICTION case.
10760 2006-01-19 Jan Hubicka <jh@suse.cz>
10761 H.J. Lu <hongjiu.lu@intel.com>
10762 Evandro Menezes <evandro.menezes@amd.com>
10764 * invoke.texi (generic): Document
10766 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10767 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10768 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10769 (x86_use_incdec, x86_pad_returns): New variables
10770 (TARGET_CPU_DEFAULT_generic): New constant
10771 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10772 (enum processor_type): Add generic32 and generic64.
10773 * i386.md (cpu attribute): Add generic32/generic64
10774 (movhi splitter): Behave sanely when both partial_reg_dependency and
10775 partial_reg_stall are set.
10776 (K8 splitters): Enable for generic as well.
10777 * predicates.md (incdec_operand): Use TARGET_INCDEC
10778 (aligned_operand): Avoid memory mismatch stalls.
10779 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10780 * ppro.md: Enable for generic32
10781 * i386.c (generic64_cost, generic32_cost): New.
10782 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10783 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10784 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10785 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10786 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10787 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10788 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10789 x86_accumulate_outgoing_args, x86_prologue_using_move,
10790 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10791 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10792 Enable for generic.
10793 (x86_use_incdec, x86_pad_returns): New.
10794 (override_options): Add generic32 and generic64, translate "generic"
10795 to generic32/generic64 and "i686" to "generic32", refuse
10796 "generic32"/"generic64" as arch target.
10797 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10798 (ix86_reorg): Honor PAD_RETURNS.
10800 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10802 * tree-pretty-print.c (dump_generic_node): Handle
10803 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10804 * cgraph.c (cgraph_expand_queue): Rename from
10805 cgraph_analyze_queue. Update all users.
10806 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10807 cgraph_expand_queue.
10808 (cgraph_expand_all_functions): Likewise.
10809 (cgraph_finalize_pending_functions): Remove. Update callers.
10811 * tree.h (OMP_DIRECTIVE_P): Define.
10812 (OMP_PARALLEL_FN): Define.
10813 (OMP_PARALLEL_DATA_ARG): Define.
10814 (OMP_SECTIONS_SECTIONS): Define.
10815 * tree-pass.h (pass_expand_omp): Declare.
10816 * omp-low.c (struct omp_region): Declare.
10817 (struct omp_context): Remove fields 'parallel_type',
10818 'parallel_start_ix' and 'parallel_start_additional_args'.
10820 (struct omp_for_data): Rename from struct expand_omp_for_data.
10821 (omp_regions): New static variable.
10822 (root_omp_region): New static variable.
10823 (find_omp_clause): Make static.
10824 (is_in_combined_parallel_ctx): Remove.
10825 (is_combined_parallel): New.
10826 (extract_omp_for_data): Move earlier in the file.
10827 (workshare_safe_to_combine_p): New.
10828 (get_ws_args_for): New.
10829 (determine_parallel_type): Move earlier in the file.
10830 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10832 (omp_copy_decl): Likewise.
10833 (create_omp_child_function): Likewise.
10834 (lookup_omp_region): New.
10835 (dump_omp_region): New.
10836 (debug_omp_region): New.
10837 (debug_all_omp_regions): New.
10838 (new_omp_region): New.
10839 (scan_omp_parallel): If parallel_nesting_level > 1, the
10840 directive is nested within another parallel directive.
10841 Set OMP_PARALLEL_FN.
10842 (scan_omp_for): Do not try to handle combined parallel+for
10844 Remove FIXME comment.
10845 (scan_omp_nested): Remove.
10846 (scan_omp_1): Do not call scan_omp_nested when
10847 parallel_nesting_level is > 1.
10848 Do not change the DECL_CONTEXT of local variables found.
10849 (lookup_decl_in_outer_ctx): New.
10850 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10851 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10852 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10853 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10854 If CTX is nested, lookup VAR in the outer context when
10855 building copy assignment.
10856 (lower_send_clauses): Rename from expand_send_clauses.
10857 If CTX is nested, lookup VAR in the outer context when
10858 building copy assignments.
10859 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10860 If CTX is nested, lookup VAR in the outer context when
10861 building copy assignments.
10862 (expand_parallel_call): Rename from build_parallel_call.
10863 Handle combined parallel+workshare cases.
10864 Re-implement to emit code into the CFG.
10866 (expand_omp_parallel): Re-implement to emit code into the CFG.
10867 Call move_sese_region_to_fn to outline the sub-graph
10868 containing the parallel region.
10869 (expand_omp_for_1): Remove.
10870 (expand_omp_for_generic): Re-implement to emit code into the
10872 (expand_omp_for_static_nochunk): Likewise.
10873 (expand_omp_for_static_chunk): Likewise.
10874 (expand_omp_for): Likewise.
10875 (expand_omp_sections): Likewise.
10876 (remove_exit_barriers): New.
10877 (expand_omp_synch): New.
10879 (build_omp_regions_1): New.
10880 (build_omp_regions): New.
10881 (execute_expand_omp): New.
10882 (gate_expand_omp): New.
10883 (pass_expand_omp): Define.
10884 (lower_omp_sections): Rename from expand_omp_sections.
10885 Set OMP_SECTIONS_SECTIONS.
10886 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10887 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10888 (lower_omp_single): Rename from expand_omp_simple.
10889 (lower_omp_master): Rename from expand_omp_master.
10890 (lower_omp_ordered): Rename from expand_omp_ordered.
10891 (lower_omp_critical): Rename from expand_omp_critical.
10892 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10893 (lower_omp_for): Re-implement.
10894 (lower_omp_parallel): Re-implement.
10895 (lower_regimplify): Rename from expand_regimplify.
10896 (lower_omp_1): Rename from expand_omp_1.
10897 If there are syntax errors in the program, replace every
10898 OpenMP directive with NOP.
10899 Call lower_omp_* instead of expand_omp_*.
10900 (lower_omp): Rename from expand_omp.
10902 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10903 * tree-gimple.h (enum omp_parallel_type): Remove.
10904 (gimple_boolify): Declare extern.
10905 (find_omp_clause, determine_parallel_type): Remove.
10907 * gimple-low.c (lower_omp_directive): New.
10908 (lower_stmt): Call it.
10909 (record_vars_into): Move from ...
10910 (record_vars): ... here.
10911 Call record_vars_into with current_function_decl.
10913 * gimplify.c (struct gimplify_ctx): Remove fields
10914 combined_pre_p and combined_ctxp. Update users.
10915 (get_formal_tmp_var): Add documentation.
10916 (gimple_boolify): Make extern.
10917 (gimplify_expr_in_ctx): Remove. Update callers.
10918 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10919 will always be a BIND_EXPR.
10920 (gimplify_expr): Handle OMP_RETURN_EXPR.
10921 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10922 (OMP_PARALLEL): Add 3 operands.
10923 (OMP_SECTIONS): Add 1 operand.
10924 (OMP_RETURN_EXPR): Define.
10926 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10927 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10928 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10929 creating a circular free list.
10930 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10932 * tree-flow.h (move_sese_region_to_fn): Declare.
10933 (record_vars_into): Declare.
10934 * tree-cfg.c (make_omp_sections_edges): New.
10935 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10936 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10937 OMP_SECTIONS and OMP_SECTION.
10938 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10939 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10940 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10941 (gather_blocks_in_sese_region): New.
10942 (struct move_stmt_d): Declare.
10943 (move_stmt_r): New.
10944 (move_block_to_fn): New.
10945 (move_sese_region_to_fn): New.
10947 * passes.c (init_optimization_passes): Schedule
10948 pass_expand_omp after pass_init_datastructures.
10950 * tree-ssa-operands.c (get_expr_operands): Handle
10951 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10952 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10954 2006-01-19 Jeff Law <law@redhat.com>
10956 * tree-vrp.c (extract_range_from_assert): Refine the result range
10957 if the variable referenced by the ASSERT_EXPR has a range and
10958 either the tentative result range or the previous range is a
10961 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10963 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10965 2006-01-19 Jan Hubicka <jh@suse.cz>
10967 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10969 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10971 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10972 (expand_compound_operation, expand_field_assignment): Fail if the
10973 bit lengths of an extract operation are out of range.
10974 (make_extraction): Compute wanted_inner_mode based on the position
10975 and length of the extraction. Make it extraction_mode for non-constant
10976 positions, and do not modify offset in that case. When generating a
10977 new MEM, use a mode that can hold the extraction while keeping correct
10978 alignment. Remove code that supported MEMs wrapped by USEs.
10979 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10981 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10983 * config/s390/s390.md ("Y", "y"): New mode attribute.
10984 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10985 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10986 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10987 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10988 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10989 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10990 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10991 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10992 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10993 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10994 "addsi3", "subsi3"): Insn patterns removed.
10995 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10996 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10997 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10998 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10999 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11000 "*sub<mode>3_cconly2"): New insn patterns.
11001 ("addsi3", "subsi3"): New expanders.
11003 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11005 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11006 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11007 existing STMT_VINFO_VECTYPE if available.
11008 (vect_mark_relevant): Add special handling for stmts that are
11009 marked as STMT_VINFO_IN_PATTERN_P.
11010 (vect_analyze_loop): Call vect_pattern_recog.
11011 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11012 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11014 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11015 (vect_recog_func_ptr): New function-pointer type.
11016 * tree-vect-patterns.c: New file.
11017 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11018 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11019 (vect_pattern_recog_1): New functions.
11020 (vect_pattern_recog_funcs): New array of function pointers.
11022 * tree-vectorizer.h (ternary_op): New enum value.
11023 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11024 declaration. Revised documentation. Removed redundant dump prints.
11025 Removed redundant argument. Added support for reduction patterns.
11026 (vectorizable_reduction): Added support for reduction patterns.
11027 (vect_transform_stmt): Added support for patterns.
11029 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11030 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11031 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11032 (expand_widen_pattern_expr): New function.
11033 (init_optabs): Initialize new optabs udot_prod_optab,
11035 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11036 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11037 (expand_widen_pattern_expr): New function declaration.
11038 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11040 * tree-inline.c (estimate_num_insns_1): Added cases for new
11041 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11042 * tree-pretty-print.c (dump_generic_node): Likewise.
11043 (op_prio): Likewise.
11044 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11045 * tree-ssa-operands.c (get_expr_operands): Added case for
11047 * tree-vect-patterns.c (widened_name_p): New function.
11048 (vect_recog_dot_prod_pattern): Added function implementation.
11049 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11050 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11051 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11052 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11054 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11055 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11056 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11057 (init_optabs): Initialize new optabs widen_ssum_optab,
11059 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11060 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11061 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11062 use instead of type of def.
11063 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11064 function implementation.
11065 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11066 widen_ssumv8hi): New.
11068 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11071 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11074 * c-decl.c (add_flexible_array_elts_to_size): New function.
11075 (finish_decl): Use it.
11077 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11079 * diagnostic.h: Include options.h.
11080 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11081 dependancies for diagnostic.h.
11082 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11084 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11086 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11087 (ssa_ro_call_cache_valid): Ditto.
11088 * tree-ssa-alias.c (sort_tags_by_id): New function.
11089 (init_transitive_clobber_worklist): Ditto.
11090 (add_to_worklist): Ditto.
11091 (mark_aliases_call_clobbered): Ditto.
11092 (compute_tag_properties): Ditto.
11093 (set_initial_properties): Ditto.
11094 (compute_call_clobbered): Ditto.
11095 (compute_may_aliases): Call compute_call_clobbered and grouping.
11096 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11097 (compute_flow_insensitive_aliasing): Grouping now happens in our
11099 (setup_pointers_and_addressables): Remove clobbering related code.
11100 (add_may_alias): Ditto.
11101 (replace_may_alias): Ditto.
11102 (get_nmt_for): Ditto.
11103 (create_global_var):
11104 (is_escape_site): Return an escape_type enumeration.
11105 * tree-flow-inline.h (is_call_clobbered): Global var does not
11106 imply call clobbered.
11107 (mark_call_clobbered): Take a reason for marking this. Remove
11108 marking of globalness, and cache invalidation.
11109 (clear_call_clobbered): Remove cache invalidation code.
11110 * tree-dfa.c (dump_variable): If details is on, dump the reason
11112 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11114 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11115 (struct var_ann_d): Ditto.
11116 (enum escape_type): New.
11117 (mark_call_clobbered): Adjust prototype.
11118 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11119 are never call clobbered.
11120 Record reasons for escaping.
11121 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11122 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11123 (ssa_ro_call_cache_valid): Ditto.
11124 (clobbered_v_may_defs): Ditto.
11125 (clobbered_vuses): Ditto.
11126 (ro_call_vuses): Ditto.
11127 (clobber_stats): New.
11128 (init_ssa_operands): Zero out clobber stats.
11129 (fini_ssa_operands): Print out clobber stats.
11130 (get_call_expr_operands): Pass callee fndecl to
11131 add_call_read_ops).
11132 (add_call_clobber_ops): Remove use of cache.
11133 Add use of PURE_CONST information.
11134 (add_call_read_ops): Remove use of cache.
11135 Add use of static not_read information.
11137 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11139 Introduce TLS descriptors for i386 and x86_64.
11140 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11141 (TARGET_ANY_GNU_TLS): New macro.
11142 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11143 (struct machine_function): Add tls_descriptor_call_expanded_p.
11144 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11145 (ix86_current_function_calls_tls_descriptor): Likewise.
11146 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11147 (override_options): Introduce gnu2 tls dialect.
11148 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11150 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11152 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11153 (ix86_init_machine_status): Initialize new field.
11154 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11155 (ix86_tls_module_base): New.
11156 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11157 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11158 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11159 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11160 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11161 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11162 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11163 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11164 * config/i386/predicates.md (tls_modbase_operand): New.
11165 (tp_or_register_operand): New.
11167 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11169 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11170 (look_for_address_of): Ditto.
11171 (ipa_init): Walk the function decls.
11172 (static_execute): Don't set readonly on FUNCTION_DECL's.
11174 2006-01-18 Roger Sayle <roger@eyesopen.com>
11176 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11177 for shifts where the source and destination registers are different.
11179 2006-01-18 Paul Brook <paul@codesourcery.com>
11181 Merge from csl-arm-branch.
11182 2005-03-14 Julian Brown <julian@codesourcery.com>
11183 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11184 (aeabi_llsl): Likewise.
11185 (ashrdi3): Likewise.
11186 (aeabi_lasr): Likewise.
11187 (lshrdi3): Likewise.
11188 (aeabi_llsr): Likewise.
11189 2005-03-10 Julian Brown <julian@codesourcery.com>
11190 * config.gcc: Disable shared libgcc for SymbianOS.
11191 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11193 2006-01-18 DJ Delorie <dj@redhat.com>
11195 * c-pragma.c (handle_pragma_diagnostic): New.
11196 (init_pragma): Register it.
11197 * doc/extend.texi: Document it.
11199 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11200 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11201 (diagnostic_context): Add classify_diagnostic[].
11202 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11203 as errors if they're overridden to DK_WARNING.
11204 (diagnostic_initialize): Initialize classify_diagnostic[].
11205 (diagnostic_set_kind_override): New.
11206 (diagnostic_report_diagnostic): Check for kind changes.
11207 * opts.c (common_handle_option): Take lang_mask. Update callers.
11208 Handle OPT_Werror_.
11209 * common.opt (Werror=): New.
11210 * doc/invoke.texi: Document -Werror=*
11212 2006-01-18 Jeff Law <law@redhat.com>
11214 * tree-vrp.c (test_for_singularity): Correct test for new
11215 min limit. Use operand_equal_p rather than pointer equality
11216 for testing if new min/max values are equal.
11218 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11219 using range information until after propagation and folding.
11221 2006-01-18 Richard Henderson <rth@redhat.com>
11222 Aldy Hernandez <aldyh@redhat.com>
11223 Jakub Jelinek <jakub@redhat.com>
11224 Diego Novillo <dnovillo@redhat.com>
11226 * omp-low.c: New file.
11227 * c-omp.c: New file.
11229 2006-01-18 Richard Henderson <rth@redhat.com>
11230 Jakub Jelinek <jakub@redhat.com>
11231 Diego Novillo <dnovillo@redhat.com>
11233 * doc/invoke.texi: Document -fopenmp.
11234 * tree-dump.h (debug_function): Declare.
11235 * hooks.c (hook_bool_tree_bool_false): New function.
11236 (hook_tree_tree_null): Remove.
11237 (hook_tree_tree_tree_null): New.
11238 * hooks.h: Update to match.
11239 * tree-pretty-print.c (debug_tree_chain): New.
11240 (print_generic_expr): Handle TDF_CHAIN.
11241 (dump_generic_node): Handle BLOCK.
11242 Do not abort with incomplete SWITCH_EXPRs.
11243 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11244 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11245 print space after directive name.
11246 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11247 Handle OMP_MASTER and OMP_ORDERED.
11248 Handle printing of OMP_BODY just in one place, goto
11249 dump_omp_body in the rest of OMP_* nodes that have
11251 Don't handle clause nodes here. Update omp statements to
11252 use dump_omp_clauses.
11253 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11254 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11255 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11256 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11257 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11258 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11259 Adjust output for GOMP_PARALLEL.
11260 (dump_omp_clauses): New.
11261 (print_declaration): Dump DECL_VALUE_EXPR.
11262 (op_symbol_1): Split out of op_symbol.
11263 (dumping_stmts): Remove. Update all users.
11264 * cgraph.c (cgraph_analyze_queue): New.
11265 (cgraph_add_new_function): New.
11266 * cgraph.h (cgraph_analyze_queue): Declare.
11267 (cgraph_add_new_function): Declare.
11268 (cgraph_lower_function): Remove.
11269 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11270 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11271 and TYPE_P nodes in its default clause.
11272 (empty_body_p): New.
11273 (tree_range_check_failed): New.
11274 (build5_stat): New.
11275 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11276 OMP_CLAUSE_REDUCTION_MERGE,
11277 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11278 OMP_CLAUSE_PRIVATE_DEBUG,
11279 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11280 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11281 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11282 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11283 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11284 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11285 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11286 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11287 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11288 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11289 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11290 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11291 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11292 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11293 (TREE_RANGE_CHECK): New.
11294 (empty_body_p): Declare.
11295 (enum omp_clause_default_kind): New.
11296 (build_string_literal): Declare.
11297 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11298 (build5_stat, build5): Declare.
11299 * tree-pass.h (TDF_CHAIN): Define.
11300 * tree-pass.h (PROP_gimple_lomp): Define.
11301 (pass_lower_omp): Declare.
11302 * diagnostic.h (debug_tree_chain): Declare.
11303 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11305 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11306 * builtins.c (build_string_literal): Make extern.
11307 * gcc.c (include_spec_function): New.
11308 (static_spec_functions): Add it.
11309 (main): Move load of libgomp.spec ...
11310 (LINK_COMMAND_SPEC): ... here.
11311 (link_gomp_spec): New.
11312 (static_specs): Include it.
11313 (LINK_COMMAND_SPEC): Add link_gomp.
11314 (GOMP_SELF_SPECS): New.
11315 (driver_self_specs): Include it.
11316 (switch_matches): Don't mark inline.
11317 (main): Load libgomp.spec.
11318 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11319 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11320 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11321 * tree-gimple.h (enum omp_parallel): Declare.
11322 (determine_parallel_type): Declare.
11323 (omp_firstprivatize_variable): Declare.
11324 (omp_reduction_init): Declare.
11325 (diagnose_omp_structured_block_errors): Declare.
11326 (struct walk_stmt_info): Add want_return_expr.
11327 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11328 (find_omp_clause): Declare.
11329 (insert_field_into_struct): Declare.
11330 (struct walk_stmt_info): Move from tree-nested.c
11331 (walk_stmts): Declare.
11332 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11334 * cgraphunit.c (cgraph_lower_function): Make static.
11335 (cgraph_finalize_pending_functions): New.
11336 (cgraph_finalize_function): Call it.
11337 (cgraph_finalize_compilation_unit): Likewise.
11338 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11339 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11340 (BT_FN_UINT_UINT): New.
11341 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11342 DEF_FUNCTION_TYPE_VAR_4): Document.
11343 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11344 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11345 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11346 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11347 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11348 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11349 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11350 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11351 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11352 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11353 into separate files.
11354 (DEF_GOMP_BUILTIN): New.
11355 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11356 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11357 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11358 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11359 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11360 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11361 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11362 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11363 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11364 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11365 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11366 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11367 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11368 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11369 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11370 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11371 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11372 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11373 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11374 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11375 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11376 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11377 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11378 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11379 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11380 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11381 * sync-builtins.def: New file, moved from builtins.def.
11382 * omp-builtins.def: New file, moved from builtins.def.
11383 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11384 * gimple-low.c (lower_function_body): Clear data.
11385 (lower_stmt): Do not handle COMPOUND_EXPR.
11386 Remove call to print_node_brief.
11387 * c-tree.h (c_finish_omp_clauses): New prototype.
11388 (C_DECL_THREADPRIVATE_P): Define.
11389 (lookup_name_no_remap, c_omp_remap_private): Remove
11390 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11391 (check_for_loop_decls): Update decl.
11392 (lookup_name_no_remap, c_omp_remap_private): Declare.
11393 (build_indirect_ref, build_modify_expr, pushdecl,
11394 pushdecl_top_level): Move to c-common.h.
11395 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11396 before the switch, but just in the 2 places that need it.
11397 * c-decl.c (diagnose_mismatched_decls): Do not check for
11398 mismatched thread-local attributes when OLDDECL is marked
11399 threadprivate and NEWDECL has no thread-local attributes.
11400 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11401 (c_gimple_diagnostics_recursively): Rename from
11402 c_warn_unused_result_recursively. Invoke
11403 diagnose_omp_structured_block_errors.
11404 (check_for_loop_decls): Return a singular decl found.
11405 * langhooks.c (lhd_omp_predetermined_sharing): Return
11406 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11407 (lhd_omp_firstprivatize_type_sizes): New.
11408 (lhd_omp_assignment): New.
11409 (lhd_omp_predetermined_sharing): New.
11410 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11411 (struct lang_hooks_for_types): Add
11412 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11413 omp_predetermined_sharing, omp_disregard_value_expr,
11414 omp_private_debug_clause, omp_clause_default_ctor,
11415 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11416 (c_finish_omp_clauses): New.
11417 (c_finish_bc_stmt): Diagnose break within omp for.
11418 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11419 (build_unary_op): Return error_mark after reporting
11421 (build_modify_expr): Likewise.
11422 * gimplify.c: Include optabs.h and pointer-set.h.
11423 (enum gimplify_omp_var_data): Declare.
11424 (struct gimplify_omp_ctx): Declare.
11425 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11427 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11428 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11429 (splay_tree_compare_decl_uid): New.
11430 (new_omp_context): New.
11431 (delete_omp_context): New.
11432 (gimple_add_tmp_var): Call omp_add_variable.
11433 (gimplify_bind_expr): Likewise.
11434 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11435 true, disregard DECL_VALUE_EXPR on the decl if any.
11436 (gimplify_expr_in_ctx): New.
11437 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11438 omp_add_variable, omp_notice_variable, omp_is_private
11439 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11440 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11441 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11442 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11443 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11444 gimplify_omp_atomic): New.
11445 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11446 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11447 OMP_CRITICAL and OMP_ATOMIC.
11448 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11449 * c-pragma.h (enum pragma_kind): Add
11450 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11451 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11452 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11453 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11454 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11455 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11456 PRAGMA_OMP_THREADPRIVATE.
11457 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11458 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11459 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11460 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11461 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11462 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11463 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11464 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11465 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11466 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11467 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11468 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11469 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11471 (struct nesting_info): Add field_map,
11472 suppress_expansion, debug_var_chain.
11473 (create_nesting_tree): Initialize them.
11474 (lookup_field_for_decl): Use field_map.
11475 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11476 (convert_local_omp_clauses): New.
11477 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11478 (walk_body): Split out of walk_function.
11479 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11480 (convert_nonlocal_reference): Handle omp statements.
11481 (convert_local_reference): Likewise.
11482 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11483 (unnest_nesting_tree): New.
11484 (lower_nested_functions): Call it.
11485 (insert_field_into_struct): Make extern.
11486 (struct walk_stmt_info): Move to tree-gimple.h.
11487 (walk_stmts): Make extern.
11488 * omp-builtins.def: New file.
11489 * tree-iterator.c (expr_only): Clarify comment.
11490 * c-common.h (pushdecl_top_level, pushdecl,
11491 build_modify_expr, build_indirect_ref,
11492 c_finish_omp_master, c_finish_omp_critical,
11493 c_finish_omp_ordered, c_finish_omp_barrier,
11494 c_finish_omp_atomic, c_finish_omp_flush,
11495 c_finish_omp_for, c_split_parallel_clauses,
11496 omp_clause_default_kind, c_omp_sharing_predetermined,
11497 c_omp_remap_decl): Declare.
11498 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11499 (OBJS-common): Add omp-low.o.
11500 (c-omp.o, omp-low.o): Add.
11501 (gimplify.o): Add dependency on $(OPTABS_H).
11502 (GTFILES): Add omp-low.c.
11503 (gt-stringpool.h): Add.
11504 * tree-cfg.c (set_bb_for_stmt): Do not update the
11505 block-to-labels map if we are currently expanding to RTL.
11506 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11508 Handle IDENTIFIER_NODE.
11509 (tree_verify_flow_info): Do not ICE when emitting error
11510 messages about invalid labels.
11511 (dump_function_to_file): Reset CFUN before emitting the body
11513 (debug_function): New.
11514 * passes.c (init_optimization_passes): Schedule
11516 * langhooks-def.h (lhd_omp_predetermined_sharing,
11517 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11519 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11520 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11521 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11522 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11523 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11524 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11525 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11526 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11527 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11528 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11529 (LANG_HOOK_DECLS): Use them.
11531 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11532 Richard Henderson <rth@redhat.com>
11533 Jakub Jelinek <jakub@redhat.com>
11534 Diego Novillo <dnovillo@redhat.com>
11536 * c-parser.c (pragma_omp_clause): Define.
11537 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11538 (c_parser_compound_statement): Likewise.
11539 (c_parser_statement): Likewise.
11540 (c_parser_pragma): Handle omp pragmas.
11541 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11542 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11543 (c_parser_omp_clause_name, check_no_duplicate_clause,
11544 c_parser_omp_variable_list,
11545 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11546 c_parser_omp_clause_copyprivate,
11547 c_parser_omp_clause_default,
11548 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11549 c_parser_omp_clause_lastprivate,
11550 c_parser_omp_clause_nowait,
11551 c_parser_omp_clause_num_threads,
11552 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11553 c_parser_omp_clause_reduction,
11554 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11555 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11556 c_parser_omp_atomic, c_parser_omp_barrier,
11557 c_parser_omp_critical, c_parser_omp_flush,
11558 c_parser_omp_for_loop, c_parser_omp_for,
11559 c_parser_omp_master, c_parser_omp_ordered,
11560 c_parser_omp_sections_scope, c_parser_omp_sections,
11561 c_parser_omp_parallel, c_parser_omp_single,
11562 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11563 * c-pragma.c (init_pragma): Do omp pragma registration here.
11564 * c.opt (fopenmp): New flag.
11566 2006-01-18 Eric Christopher <echristo@apple.com>
11568 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11569 * config/darwin.h (GOMP_SELF_SPECS): Define.
11571 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11573 * rtl.h: Remove the prototype for reg_alloc.
11575 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11578 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11579 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11580 sjlj and dwarf2 exception handling.
11581 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11582 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11583 * pa/pa.c (function_value): Treat complex and vector types as
11585 (function_arg): Likewise. Only pass scalar floats in the floating
11586 point argument registers.
11587 * pa/t-slibgcc-dwarf-ver: New file.
11588 * pa/t-slibgcc-sjlj-ver: New file.
11589 * pa/t-slibgcc-elf-ver: Delete file.
11591 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11593 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11594 unlikely_test_section_p test.
11596 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11598 * mode-switching.c (optimize_mode_switching): Make it static.
11599 * basic-block.h: Remove the prototype for
11600 optimize_mode_switching.
11602 * modulo-sched.c (sms_schedule): Make it static.
11603 * rtl.h: Remove the prototype for sms_schedule.
11605 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11606 * rtl.h: Remove the prototype for gcse_after_reload_main.
11608 * reg-stack.c (reg_to_stack): Make it static.
11609 * rtl.h: Remove the prototype for reg_to_stack.
11611 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11613 * rtl.h: Remove the prototypes for regrename_optimize and
11614 copyprop_hardreg_forward.
11616 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11618 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11619 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11620 Test against the appropriate null constant for the mode.
11621 If 'fixup_overlap' is true, swap the operands if they overlap.
11622 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11623 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11624 alpha_split_tmode_pair and adjust for above change.
11625 * config/alpha/alpha.md (movtf_internal): Adjust call to
11626 alpha_split_tfmode_pair and rely on it to swap the operands.
11627 (movti_internal): New insn and post-reload splitter.
11628 (movti): New expander.
11630 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11632 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11635 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11637 * rtlanal.c (global_reg_mentioned_p_1,
11638 global_reg_mentioned_p): Remove.
11639 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11641 * flow.c (initialize_uninitialized_subregs): Make it static.
11642 * rtl.h: Remove the prototype for
11643 initialize_uninitialized_subregs.
11645 * function.c (instantiate_virtual_regs): Make it static.
11646 * function.h: Remove the prototype for
11647 instantiate_virtual_regs.
11649 * regmove.c (regmove_optimize, combine_stack_adjustments):
11651 * rtl.h: Remove the prototypes for regmove_optimize and
11652 combine_stack_adjustments.
11654 2006-01-17 Roger Sayle <roger@eyesopen.com>
11656 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11657 (size_cost): Encode costs in bytes so that a reg-reg addition is
11658 equivalent to COSTS_N_INSNS(1).
11659 (override_options): Use the size_cost.branch_cost as the default
11660 ix86_branch_cost when optimizing for size.
11662 2006-01-18 Ben Elliston <bje@au.ibm.com>
11664 * Makefile.in (D32PBIT_FUNCS): New.
11665 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11666 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11667 D64PBIT_FUNCS and D128PBIT_FUNCS.
11668 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11669 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11671 (decnumber_dep): Define.
11672 * doc/libgcc.texi (Decimal float library routines): New node.
11673 * config/dfp-bit.h, config/dfp-bit.c: New files.
11675 2006-01-18 Ben Elliston <bje@au.ibm.com>
11677 * expr.c (emit_move_change_mode): Always adjust addresses, not
11678 just during reload. Copy replacements only during reload.
11679 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11680 emit_move_via_integer.
11682 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11684 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11685 instead of $(srcdir) and ${srcdir}.
11687 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11690 PR middle-end/11135
11691 * arm.h (struct machine_function): Add pic_reg.
11692 * arm.c (arm_pic_register): Make unsigned.
11693 (arm_override_options): Only set arm_pic_register if
11694 TARGET_SINGLE_PIC_BASE.
11695 (use_return_insn): Only test for a pic register if it is fixed.
11696 (arm_compute_save_reg0_reg12_mask): Likewise.
11697 (thumb_compute_save_reg_mask): Likewise.
11698 (legitimate_pic_operand): Factor out some known invariants.
11699 (legitimize_pic_address): If we don't have a fixed pic register,
11700 then set up a pseudo in the function entry sequence. Handle the
11701 pic base being in a pseudo.
11702 (arm_load_pic_register): Handle the pic register being in a pseudo.
11703 (arm_expand_prologue): Only set up the pic register if it is fixed.
11704 (thumb_expand_prologue): Likewise.
11705 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11706 (pic_load_addr_based_insn): Likewise.
11707 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11710 2006-01-18 Ben Elliston <bje@au.ibm.com>
11712 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11713 decimal float modes for all floating point registers.
11715 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11716 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11718 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11721 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11722 even when the pointer is not NULL.
11724 2006-01-16 Ian Lance Taylor <ian@airs.com>
11726 * common.opt (ftoplevel-reorder): New option.
11727 * cgraph.c (cgraph_asm_nodes): New global variable.
11728 (cgraph_asm_last_node): New static variable.
11729 (cgraph_order): New global variable.
11730 (cgraph_create_node): Set new order field.
11731 (cgraph_varpool_node): Likewise.
11732 (decide_is_variable_needed): Return true if not
11733 flag_toplevel_reorder.
11734 (cgraph_add_asm_node): New function.
11735 * cgraph.h (struct cgraph_node): Add order field.
11736 (struct cgraph_varpool_node): Add order field.
11737 (struct cgraph_asm_node): Define.
11738 (cgraph_asm_nodes, cgraph_order): Declare.
11739 (cgraph_add_asm_node): Declare.
11740 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11742 (cgraph_varpool_assemble_pending_decls): Call it.
11743 (cgraph_output_pending_asms): New static function.
11744 (cgraph_finalize_compilation_unit): Call it.
11745 (struct cgraph_order_sort): Define.
11746 (cgraph_output_in_order): New static function.
11747 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11748 !flag_toplevel_reorder case.
11749 * c-parser.c: Include "cgraph.h".
11750 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11752 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11753 than -fno-unit-at-a-time.
11754 * doc/invoke.texi (Option Summary): Mention
11755 -fno-toplevel-reorder.
11756 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11757 -funit-at-a-time documentation.
11759 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11760 Kazu Hirata <kazu@codesourcery.com>
11762 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11764 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11766 * Makefile.in (FUNCTION_H): New. Use it instead of
11767 function.h throughout the file.
11768 * function.h: Include tree.h.
11770 2006-01-17 Ben Elliston <bje@au.ibm.com>
11772 * recog.c: Separate some functions with whitespace.
11774 2006-01-16 Richard Henderson <rth@redhat.com>
11776 Merge from gomp branch:
11777 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11778 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11779 and rename from struct inline_data. Rename callee* to dst*;
11780 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11781 transform_new_cfg, transform_return_to_modify, and
11782 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11784 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11785 (copy_decl_for_dup): Remove.
11786 * tree-inline.c (struct inline_data): Move to header.
11787 (insert_decl_map): Export.
11788 (remap_decl): Update for member name changes. Use copy_decl hook.
11789 Allow for replacement to be a non-decl. Remove dead code.
11790 (remap_type_1): Check for existing mapping.
11791 (remap_type): Export.
11792 (remap_decls): Update for member name changes.
11793 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11794 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11795 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11796 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11797 (tree_function_versioning, build_duplicate_type): Likewise.
11798 (copy_body_r): Likewise. Export.
11799 (copy_decl_for_dup): Split into ...
11800 (copy_decl_for_dup_finish, copy_decl_to_var,
11801 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11802 (replace_ref_tree, inlining_p): Remove.
11804 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11806 * ifcvt.c (if_convert): Make it static.
11807 * rtl.h: Remove the prototype for if_convert.
11809 * local-alloc.c (local_alloc): Make it static.
11810 * rtl.h: Remove the prototype for local_alloc.
11812 * loop.c (loop_optimize): Make it static.
11813 * cfgloop.h: Remove the prototype for loop_optimize.
11816 2006-01-16 DJ Delorie <dj@redhat.com>
11818 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11821 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11823 * pa.md: Disparage copies between general and floating-point registers
11824 in 32-bit move patterns.
11826 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11829 * Makefile.in (check-%): Depend on site.exp instead of
11830 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11833 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11835 * global.c (global_alloc): Make it static.
11836 * rtl.h: Remove the prototype for global_alloc.
11838 2006-01-16 Richard Guenther <rguenther@suse.de>
11840 * tree-ssa-alias.c (struct used_part): Add write_only field.
11841 (get_or_create_used_part_for): Initialize it to true.
11842 (create_overlap_variables_for): Don't create structure variables
11843 for structures that only are written to.
11844 (find_used_portions): Handle MODIFY_EXPR to track whether a
11845 structure is only written to.
11847 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11849 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11851 * basic-block.h: Remove the prototype for
11852 partition_hot_cold_basic_blocks.
11854 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11856 * cppspec.c (lang_specific_spec_functions): Remove.
11857 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11858 * gcc.h (lang_specific_spec_functions): Remove.
11859 * gccspec.c (lang_specific_spec_functions): Remove.
11861 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11863 * combine.c (record_value_for_reg): Invalidate registers
11865 (record_dead_and_set_regs_1): Likewise, by passing them to
11866 record_value_for_reg.
11867 (record_dead_and_set_regs): Invalidate stores made by a
11868 call. We do not combine across a call, but we still
11869 relied on equivalences.
11871 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11873 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11874 vrp_int_const_binop returning non-constant nodes.
11876 2006-01-16 Paul Brook <paul@codesourcery.com>
11878 * config/m68k/m68k.c (output_move_const_into_data_reg):
11879 Output correct mnemonic for mvz and mvs.
11881 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11883 * rtl-factoring.c: Add sequence abstraction algorithm.
11884 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11885 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11887 (block_has_preserve_label): New function.
11888 * common.opt: Register new pass.
11889 * Makefile.in: Ditto.
11891 * timevar.def: Ditto.
11892 * tree-pass.h: Ditto.
11893 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11894 * rtl.h (make_jump_insn_raw): Add forward decl.
11895 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11897 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11898 Roger Sayle <roger@eyesopen.com>
11900 * fold-const.c (fold_minmax): New static function.
11901 (fold_binary) <MIN_EXPR>: Call it.
11902 <MAX_EXPR>: Likewise.
11903 * stor-layout.c (place_field): Use DECL_SIZE consistently
11904 in the computation of the new record size.
11906 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11908 * cse.c (cse_condition_code_reg): Make it static.
11909 * rtl.h: Remove the prototype for cse_condition_code_reg.
11911 * combine.c (combine_instructions): Make it static.
11912 * rtl.h: Remove the prototype for combine_instructions.
11914 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11917 * tree.c (get_file_function_name_long): Concatenate the first global
11918 object name with a string derived from the input filename of the object
11921 2006-01-16 Ben Elliston <bje@au.ibm.com>
11923 * config/i386/winnt-stubs.c: Update FSF address.
11924 * config/xtensa/ieee754-df.S: Ditto.
11925 * config/xtensa/ieee754-sf.S: Ditto.
11927 2006-01-14 Ian Lance Taylor <ian@airs.com>
11929 * ifcvt.c (noce_init_if_info): New static function, broken out of
11930 noce_process_if_block.
11931 (noce_process_if_block): Call noce_init_if_info.
11932 (check_cond_move_block): New static function.
11933 (cond_move_process_if_block): New static function.
11934 (process_if_block): Call cond_move_process_if_block.
11936 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11938 * cselib.c (hash_table): Rename to cselib_hash_table.
11939 (cselib_clear_table, discard_useless_values,
11940 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11941 cselib_init, cselib_finish): Adjust uses of hash_table.
11943 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11945 PR tree-optimization/25485
11946 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11947 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11948 is known to be false and true, respectively.
11950 2006-01-14 Richard Guenther <rguenther@suse.de>
11952 PR tree-optimization/22548
11953 PR tree-optimization/22555
11954 PR tree-optimization/22501
11955 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11956 * params.def (salias-max-array-elements): New parameter.
11957 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11958 * doc/invoke.texi (salias-max-array-elements): Document.
11959 * tree-flow-inline.h (var_can_have_subvars): We also handle
11961 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11963 * tree-ssa-structalias.c (params.h): Include.
11964 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11965 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11966 (get_constraint_for): For ADDR_EXPR operating on something
11967 containing an ARRAY_REF, add all subvars to the solution.
11968 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11969 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11970 for creating MUST_DEFs.
11971 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11973 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11975 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11977 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11978 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11979 number_of_iterations_le): New functions.
11980 (number_of_iterations_special): Removed.
11981 (number_of_iterations_exit): Do not use number_of_iterations_special.
11982 * tree.c (unsigned_type_for): Always return integer type.
11984 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11985 Richard Guenther <rguenther@suse.de>
11987 PR rtl-optimization/24257
11988 * gcse.c (find_moveable_store): Only consider a store movable
11989 when the SET_SRC of the insn can be assigned to a register.
11991 2006-01-14 Ian Lance Taylor <ian@airs.com>
11993 * tree.c (tree_not_class_check_failed): New function.
11994 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11995 (tree_not_class_check_failed): Declare.
11997 2006-01-13 Ian Lance Taylor <ian@airs.com>
11999 * reload1.c (do_output_reload): Add assertion rejecting a
12002 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12004 * combine.c (struct reg_stat): Add new fields truncation_label and
12006 (record_value_for_reg): Reset truncated_to_mode.
12007 (record_truncated_value): New function.
12008 (check_promoted_subreg): Call it. Rename to check_conversions.
12009 (combine_instructions): Rename check_promoted_subreg to
12011 (reg_truncated_to_mode): New function.
12012 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12013 (gen_lowpart_or_truncate): New function.
12014 (force_to_mode): Use it instead of gen_lowpart.
12016 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12018 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12019 VAR is a tag, not its type tag.
12021 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12023 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12024 alternatives to match style of other entries.
12025 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12027 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12029 PR tree-optimization/25771
12030 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12033 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12036 * tree-inline.c (declare_return_variable): If the return variable
12037 was marked as a non gimple complex, set the return slot variable
12038 to be a non gimple comple variable.
12040 2006-01-13 Richard Guenther <rguenther@suse.de>
12042 * builtins.c (expand_builtin_sincos): New function.
12043 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12045 (expand_builtin): Expand sincos using expand_builtin_sincos.
12047 2006-01-12 DJ Delorie <dj@redhat.com>
12049 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12050 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12051 so that constant shifts can be split.
12052 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12053 (m32c_valid_pointer_mode): Make static.
12054 (shift_gen_func_for): New.
12055 (m32c_prepare_shift): Use it. Split large const shifts into
12057 * config/m32c/predicates.md (shiftcount_operand): Allow more
12059 (longshiftcount_operand): New.
12060 * doc/md.texi (Machine Constraints): Document In6.
12062 2006-01-13 Ben Elliston <bje@au.ibm.com>
12064 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12065 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12068 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12070 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12071 to try to avoid clobbering pieces of structures when we know
12072 something about the whole structure.
12073 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12075 2006-01-13 Ben Elliston <bje@au.ibm.com>
12077 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12078 return in memory, as this is no limitation is no longer present.
12080 2006-01-12 DJ Delorie <dj@redhat.com>
12082 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12083 mova with fb, and for fb+0 -> An.
12085 * config/m32c/mov.md (peephole2): Fix enabling logic.
12087 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12088 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12089 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12090 FINI_ARRAY_SECTION_ASM_OP): Define.
12092 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12094 (m32c_legitimize_reload_address): New logic to reload FB to An.
12095 (m32c_output_reg_push): Add newline.
12096 (m32c_output_reg_pop): Likewise.
12098 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12100 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12102 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12104 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12106 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12108 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12111 2006-01-11 Ben Elliston <bje@au.ibm.com>
12113 * rtlanal.c (find_reg_note): Assert insn is not null.
12115 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12117 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12120 2006-01-11 Jeff Law <law@redhat.com>
12122 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12124 (mark_threaded_blocks, register_jump_thread): New functions.
12125 (thread_through_all_blocks): Remove unwanted argument. No
12126 longer rely on e->aux to communicate thread target info.
12127 Call mark_threaded_blocks. Release the threaded_blocks
12128 bitmap and threaded_edges vector when complete.
12129 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12130 (threaded_blocks): Remove.
12131 (tree_ssa_dominator_optimize): Remove initialization and
12132 finalization of threaded_blocks. Simplify call to
12133 thread_through_all_blocks.
12134 (thread_across_edge): Call register_jump_thread rather than
12135 storing thread information into e->aux.
12136 (free_all_edge_infos): Simplify now that e->aux is no longer
12137 used to communicate with thread_through_all_blocks.
12138 * tree-flow.h (thread_through_all_blocks): Update prototype.
12139 (register_jump_thread): Prototype.
12141 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12143 * df-core.c (df_compact_blocks, df_bb_replace): Use
12144 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12146 2006-01-11 Richard Guenther <rguenther@suse.de>
12148 PR tree-optimization/25734
12149 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12150 stop propagation after successful propagation to the LHS.
12152 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12154 * basic-block.h (control_flow_graph): Change the type of
12155 x_basic_block_info to VEC(basic_block,gc) *.
12156 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12158 (SET_BASIC_BLOCK): New.
12159 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12160 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12161 * cfgbuild.c (find_basic_blocks): Likewise.
12162 * cfglayout.c (fixup_reorder_chain): Likewise.
12163 * cfgrtl.c (create_basic_block_structure,
12164 rtl_create_basic_block): Likewise.
12165 * ifcvt.c (find_if_case_1): Likewise.
12166 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12169 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12171 * Makefile.in: Removed rotted odf.c entry.
12173 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12176 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12177 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12178 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12179 output pattern modifier, not %e.
12180 * config/cris/cris.c (cris_op_str): Update comment about pattern
12182 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12183 before falling through into...
12184 <case 'E'>: Redefined from old 'e' case.
12186 2006-01-11 Jan Hubicka <jh@suse.cz>
12189 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12191 2006-01-11 Jan Hubicka <jh@suse.cz>
12193 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12194 * i386.c (x86_decompose_lea): Kill.
12195 (ix86_rtx_costs): Kill.
12197 2006-01-11 Jan Hubicka <jh@suse.cz>
12199 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12200 * cgraph.h (cgraph_node): Add inline_decl.
12201 (cgraph_insert_node_to_hashtable): Declare.
12202 (save_inline_function_body): Declare.
12203 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12205 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12206 (cgraph_function_versioning): Update call of tree_function_versioning.
12207 (save_inline_function_body): New function.
12208 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12209 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12210 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12211 (cgraph_default_inline_p): Likewise.
12212 (cgraph_decide_inlining_incrementally): Likewise.
12213 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12214 (copy_bb): Kill saving; do updating of clones.
12215 (copy_cfg_body): Kill saving.
12216 (initialize_inlined-parameters): Likewise.
12217 (expand_call_inline): Likewise.
12219 (tree_function_versioning): New parameter "update_clones".
12220 (inlining_p): Kill saving.
12221 * tree-inline.h (tree_function_versioning): Update prototype.
12222 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12225 2006-01-11 Ian Lance Taylor <ian@airs.com>
12227 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12228 Allow undoing set of machine mode.
12229 (do_SUBST): Use enums instead of is_int.
12230 (do_SUBST_MODE): New function.
12231 (SUBST_MODE): New macro.
12232 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12233 reg and trying to replace reg_regno_rtx with a new register.
12234 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12235 (simplify_set): Use SUBST_MODE.
12236 (distribute_notes): Remove code that tried to update reg notes
12237 for regno_reg_rtx changes.
12239 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12241 PR tree-optimization/23109
12242 PR tree-optimization/23948
12243 PR tree-optimization/24123
12245 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12246 * tree-cfg.c (single_noncomplex_succ): New.
12247 * tree-flow.h (single_noncomplex_succ): Declare it.
12248 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12249 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12250 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12251 insert_bb, register_division_in, insert_reciprocals,
12252 replace_reciprocal, free_bb): New.
12253 (execute_cse_reciprocals_1): Rewritten.
12254 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12255 Do not commit any edge insertion. Always compute dominators and
12256 create the allocation pool.
12257 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12258 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12259 * targhooks.c (default_min_divistions_for_recip_mul): New.
12260 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12261 * passes.c (init_optimization_passes): Run recip after tree loop
12263 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12265 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12266 Kenneth Zadeck <zadeck@naturalbridge.com>
12268 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12269 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12270 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12271 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12272 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12273 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12274 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12275 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12276 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12277 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12278 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12279 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12280 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12281 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12282 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12283 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12284 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12285 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12286 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12287 DF_SCAN_POST_ALLOC): New macros.
12288 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12289 df_free_bb_function, df_local_compute_function, df_init_function,
12290 df_dataflow_function, df_confluence_function_0,
12291 df_confluence_function_n, df_transfer_function,
12292 df_finalizer_function, df_free_function, df_dump_problem_function,
12293 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12294 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12295 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12296 df_urec_bb_info, ) New types.
12297 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12299 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12300 df_analyze_simple_change_some_blocks,
12301 df_analyze_simple_change_one_block, df_compact_blocks,
12302 df_bb_replace, df_bb_regno_last_use_find,
12303 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12304 df_insn_regno_def_p, df_find_def, df_find_use,
12305 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12306 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12307 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12308 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12309 debug_df_chain, df_get_dependent_problem, df_chain_create,
12310 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12311 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12312 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12313 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12314 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12315 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12316 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12317 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12318 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12319 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12320 df_reorganize_refs, df_set_state, df_hard_reg_init,
12321 df_read_modify_subreg_p) New public functions.
12322 * df-core.c: The core dataflow solver and glue routines for rtl
12324 (df_init, df_add_problem, df_set_blocks, df_finish,
12325 df_hybrid_search_forward, df_hybrid_search_backward,
12326 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12327 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12328 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12329 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12330 df_reg_defined, df_find_use, df_reg_used, df_dump,
12331 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12332 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12333 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12334 debug_df_useno, reset_df_after_reload): New functions.
12335 * df-scan.c: The scanning fuctions, once in df.c, completely
12336 rewritten so that they now fully model the functionality of
12337 register usage at the backend.
12338 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12339 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12340 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12341 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12342 df_get_artificial_defs, df_get_artificial_uses,
12343 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12344 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12345 df_refs_delete, df_reorganize_refs, df_set_state,
12346 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12347 df_def_record_1, df_defs_record, df_uses_record,
12348 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12349 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12350 df_record_exit_block_uses, df_hard_reg_init): New functions.
12352 * df-problems.c: Seven concrete dataflow problems that use the
12353 scanning in df-scan.c and are solved by the engine in df-core.c.
12354 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12355 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12356 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12357 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12358 df_ru_free_bb_info, df_ru_alloc,
12359 df_ru_bb_local_compute_process_def,
12360 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12361 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12362 df_ru_transfer_function, df_ru_free, df_ru_dump,
12363 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12364 df_rd_free_bb_info, df_rd_alloc,
12365 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12366 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12367 df_rd_transfer_function, df_rd_free, df_rd_dump,
12368 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12369 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12370 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12371 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12372 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12373 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12374 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12375 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12376 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12377 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12378 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12379 df_urec_mark_reg_use_for_earlyclobber,
12380 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12381 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12382 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12383 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12384 df_chain_create_bb_process_use, df_chain_create_bb,
12385 df_chain_finalize, df_chain_free, df_chains_dump,
12386 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12387 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12388 df_reg_lifetime): New functions.
12389 * df.c: Deleted file.
12390 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12391 consistent with new df api.
12392 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12393 rest_of_handle_sms): Ditto.
12394 * web.c (unionfind_union, union_defs, entry_register, web_main):
12396 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12397 invariant_expr_equal_p, find_defs, check_dependencies,
12398 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12399 free_inv_motion_data, move_loop_invariants): Ditto.
12400 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12401 Update dependencies.
12402 (odf.c): Added defective entry that was deleted later in day.
12403 * sched-deps.c (sched_analyze_1): Ditto.
12405 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12407 * tree-ssa-operands.c (get_expr_operands): Record addressable
12408 variables directly. Do not call add_stmt_operands for CONST_DECLs
12410 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12411 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12413 2006-01-11 Ben Elliston <bje@au.ibm.com>
12415 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12416 function returns true in the positive case.
12418 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12421 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12422 for SI, DI, SF and DF modes. Add alternatives to copy between
12423 general and floating point registers to the 32-bit patterns.
12424 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12425 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12426 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12427 generating 64-bit code.
12428 * config/pa/pa.c (output_move_double): Handle copies between general
12429 and floating registers.
12431 2006-01-10 Stuart Hastings <stuart@apple.com>
12433 * config/i386/i386.md (set_got): Update.
12434 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12435 (builtin_setjmp_receiver): Mach-O support.
12436 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12437 (GOT_SYMBOL_NAME): Define.
12438 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12439 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12440 * config/i386/i386.c (override_options): Revise for Darwin.
12441 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12442 support. (darwin_x86_file_end): New. (output_set_got): Add label
12443 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12444 * config/i386/i386-protos.h (output_set_got): Likewise.
12445 * config/darwin.c (machopic_legitimize_pic_address): Update
12448 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12450 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12451 when MODE isn't BLKmode.
12453 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12455 PR rtl-optimization/25367
12456 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12458 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12461 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12462 for a negative bound.
12464 2006-01-10 Richard Guenther <rguenther@suse.de>
12466 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12467 Never override with anything constraint.
12469 2006-01-10 Jan Beulich <jbeulich@novell.com>
12471 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12472 256 bits when optimize_size.
12474 2006-01-10 Jan Beulich <jbeulich@novell.com>
12476 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12478 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12479 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12482 2006-01-10 Ben Elliston <bje@au.ibm.com>
12484 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12486 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12487 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12488 (USE_FP_FOR_ARG): Reject decimal float modes.
12489 (function_arg_advance): Likewise.
12490 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12491 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12492 point types in AltiVec vectors.
12493 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12494 (rs6000_libcall_value): Likewise.
12496 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12498 * config/xtensa/ieee754-df.S: New file.
12499 * config/xtensa/ieee754-sf.S: New file.
12500 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12501 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12502 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12504 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12506 * config/sh/predicates.md (binary_float_operator,
12507 binary_logical_operator, commutative_float_operator,
12508 equality_comparison_operator, greater_comparison_operator,
12509 less_comparison_operator, logical_operator,
12510 noncommutative_float_operator, shift_operator,
12511 symbol_ref_operand, unary_float_operator): Remove redundant
12514 2006-01-09 Jeff Law <law@redhat.com>
12516 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12517 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12518 now unused arguments. Callers updated.
12519 (eliminate_redundant_computations): Remove now unused arguments,
12521 (local_fold): Remove, no longer used.
12522 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12524 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12525 (simplify_cond): New function.
12526 (forward_propagate_into_cond): Call simplify_cond.
12528 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12530 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12531 (*vec_extractv2di_1_sse): New.
12533 2006-01-09 Ben Elliston <bje@au.ibm.com>
12535 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12537 2006-01-08 Richard Guenther <rguenther@suse.de>
12539 * tree-ssa-structalias.c (get_constraint_for): Remove
12540 anyoffset argument.
12541 (get_constraint_for_component_ref): Likewise.
12542 (do_deref): Likewise.
12543 (get_constraint_for): Likewise.
12544 (do_structure_copy): Likewise.
12545 (handle_ptr_arith): Likewise.
12546 (find_func_aliases): Likewise. Remove unused need_anyoffset
12549 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12550 Kaz Kojima <kkojima@gcc.gnu.org>
12552 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12553 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12554 (EXTRA_CONSTRAINT_C16): Remove.
12555 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12556 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12557 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12558 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12559 constants of SHmedia. Handle nested constant expressions of
12561 (andcosts): Fix the costs for SHmedia constants.
12562 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12563 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12564 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12565 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12566 (movv4hi_i, movv2si_i): Likewise.
12567 (movsi_const): Adjust the second operand of ior so to match with
12568 the Csu constraint.
12569 (movdi_const, movdi_const_32bit): Likewise.
12570 (movdi_const_16bit+1): Don't sign-extend LOW.
12571 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12573 (*double_shori): Fix the split condition. Use GEN_INT instead
12574 of get_int_mode calls. Mask lower 16-bit of the argument of
12576 (sym2GOTPLT): Remove.
12577 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12579 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12580 instead of EXTRA_CONSTRAINT_C16.
12582 2006-01-07 Ian Lance Taylor <ian@airs.com>
12583 David Edelsohn <edelsohn@gnu.org>
12585 PR rtl-optimization/25662
12586 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12587 for constant operands instead of simplify_gen_binary.
12588 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12589 after trying simplify_binary_operation
12591 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12593 * tree.c (iterative_hash_expr): Hash decls based on UID.
12595 2006-01-06 Eric Christopher <echristo@apple.com>
12597 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12598 (TARGET_UNWIND_EMIT): Fix spelling.
12599 * target.h (gcc_target): Add except_table_label.
12600 * except.c (output_function_exception_table): Use.
12601 * varasm.c (default_emit_except_table_label): New.
12602 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12604 (asm_out): Add here.
12605 * output.h (default_emit_except_table_label): Prototype.
12606 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12607 * config/darwin.c (darwin_emit_except_table_label): Define.
12608 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12610 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12612 PR tree-optimization/18527
12613 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12614 number_of_iterations_special, number_of_iterations_exit):
12615 Move base and step of an iv to a single structure. Add
12616 no_overflow flag, and use it in # of iterations analysis.
12617 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12618 folded_casts argument.
12619 (simple_iv): Pass base and step in a structure. Set no_overflow
12621 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12622 Evaluate expensiveness of computing # of iterations instead of
12623 the final expression.
12624 * tree-scalar-evolution.h (affine_iv): New structure.
12625 (simple_iv): Declaration changed.
12626 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12627 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12628 find_givs_in_stmt): Changed due to simple_iv change.
12630 2006-01-06 Jeff Law <law@redhat.com>
12633 * tree-cfg.c (bsi_replace): Rename final argument from
12634 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12635 change (stmt -> orig_stmt).
12636 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12637 (bsi_remove): Add new argument. Remove EH information
12639 (verify_eh_throw_table_statements): New function.
12640 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12642 * tree-optimize.c (execute_free_cfg_annotations): Verify
12643 the EH throw statement table after removing annotations.
12644 * except.h (verify_eh_throw_table_statements): Prototype.
12645 * tree-flow.h (bsi_remove): Update prototype.
12646 * tree-vrp.c (remove_range_assertions): Add new argument to
12648 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12649 * tree-complex.c (expand_complex_div_wide): Likewise.
12650 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12651 * tree-tailcall.c (eliminate_tailcall): Likewise.
12652 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12653 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12654 * tree-nrv.c (tree_nrv): Likewise.
12655 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12656 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12657 (combine_blocks): Likewise.
12658 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12659 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12660 (cleanup_control_flow): Likewise.
12661 (remove_forwarder_block): Likewise.
12662 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12663 * tree-sra.c (sra_replace): Likewise.
12664 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12665 (forward_propagate_single_use_vars): Likewise.
12666 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12667 * tree-inline.c (expand_call_inline): Likewise.
12668 * tree-vect-transform.c (vect_transform_loop): Likewise.
12669 * tree-outof-ssa.c (rewrite_trees): Likewise.
12670 * tree-cfg.c (make_goto_expr_edges): Likewise.
12671 (cleanup_dead_labels): Likewise.
12672 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12673 (bsi_move_before, bsi_move_after): Likewise.
12674 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12675 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12677 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12680 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12682 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12683 on non gimple variables. Also add checks at the top for decls and
12685 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12687 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12688 and IMAGPART_EXPR for creating MUST_DEFs.
12689 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12690 and NAME_MEMORY_TAG separately from the DECLs.
12692 2006-01-06 Richard Guenther <rguenther@suse.de>
12694 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12695 annotation, if necessary.
12696 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12697 redundant calls to update_stmt.
12698 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12701 2006-01-05 Richard Henderson <rth@redhat.com>
12703 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12705 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12707 * c-typeck.c: Update copyright date.
12709 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12711 * c-typeck.c (build_c_cast): Always warn when casting
12712 from a pointer to an integer of different size, even if
12713 the node was constant.
12715 2006-01-05 Richard Guenther <rguenther@suse.de>
12717 PR tree-optimization/22555
12718 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12719 if one structure field is an array.
12720 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12721 operands even if we found a subvar, but ignore VOPs in this
12723 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12725 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12727 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12729 PR middle-end/24998
12730 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12732 2006-01-05 Richard Guenther <rguenther@suse.de>
12733 Diego Novillo <dnovillo@redhat.com>
12735 * tree-pass.h (TODO_remove_unused_locals): Define.
12736 * gimple-low.c (expand_var_p, remove_useless_vars,
12737 pass_remove_useless_vars): Remove. Update all users.
12738 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12739 (remove_unused_locals): New function.
12740 * tree-flow.h (remove_unused_locals): Declare.
12741 * passes.c (execute_todo): Call remove_unused_locals if
12742 TODO_remove_unused_locals is set.
12743 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12744 * tree-ssa-dce.c (pass_dce): Likewise.
12745 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12747 2006-01-05 Richard Guenther <rguenther@suse.de>
12749 * tree-flow.h (struct fieldoff): Decompose field to
12750 type, size and decl.
12751 * tree-ssa-alias.c (create_sft): Take type as parameter.
12752 (create_overlap_variables_for): Store type, size and decl
12753 in the fieldoff structure.
12754 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12755 of struct fieldoff.
12756 (push_fields_onto_fieldstack): Likewise.
12757 (create_variable_info_for): Likewise. Use offset for the
12758 SFT name if the decl is not available.
12760 2006-01-04 Paul Brook <paul@codesourcery.com>
12762 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12764 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12766 * lambda-code.c (can_put_in_inner_loop): Relax
12768 (can_put_after_inner_loop): New function.
12769 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12770 (perfect_nestify): Change to make copies and modify uses.
12772 2006-01-04 Richard Henderson <rth@redhat.com>
12774 Merge from gomp branch:
12775 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12776 via integer constant.
12777 (pragma_lex): Remove.
12778 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12779 rather than parsing it.
12780 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12781 handle_pragma_extern_prefix): Add %< %> quotes.
12782 (registered_pragmas): New.
12783 (c_register_pragma_1): New.
12784 (c_register_pragma): Use it.
12785 (c_register_pragma_with_expansion): Likewise.
12786 (c_invoke_pragma_handler): New.
12787 (init_pragma): Use cpp_register_deferred_pragma directly for
12789 * c-pragma.h (enum pragma_kind): New.
12790 (pragma_handler): New.
12791 (c_invoke_pragma_handler): Declare.
12792 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12794 * c-common.h (c_common_pch_pragma): Update decl.
12795 * Makefile.in (c-parser.o): Update dependencies.
12796 (GTFILES): Add c-pragma.h.
12797 * c-parser.c (struct c_token): Add pragma_kind.
12798 (struct c_parser): Add in_pragma.
12799 (c_lex_one_token): Always initialize keyword and pragma_kind.
12800 Extract data for CPP_PRAGMA.
12801 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12802 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12803 Don't allow CPP_PRAGMA_EOL if in_pragma.
12804 (c_parser_consume_pragma): New.
12805 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12806 (c_parser_skip_to_end_of_parameter): Likewise.
12807 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12808 (c_parser_skip_to_pragma_eol): New.
12809 (c_parser_external_declaration): Handle CPP_PRAGMA.
12810 (c_parser_compound_statement_nostart): Likewise.
12811 (c_parser_statement_after_labels): Likewise.
12812 (c_parser_pragma): New.
12813 (pragma_lex): Likewise.
12814 (c_parser_pragma_pch_preprocess): New.
12815 (c_parser_new): Merge into ...
12816 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12818 2006-01-04 Jeff Law <law@redhat.com>
12821 * tree-cfg.c (bsi_replace): Remove the original statement
12822 from the EH throw statement table.
12824 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12826 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12827 make the prototype extern "C" and add throw ().
12830 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12831 and pos non-negative and pos + len <= 32.
12832 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12833 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12834 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12837 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12838 as well as sizes not multiple of component size.
12841 * function.c (instantiate_expr): New function.
12842 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12843 walk its DECL_VALUE_EXPR with instantiate_expr.
12845 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12846 DW_OP_deref{,_size} if address isn't going to be added.
12848 2006-01-04 Ben Elliston <bje@au.ibm.com>
12850 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12851 * config/fp-bit.c: Likewise.
12853 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12855 * dominance.c: Add comment about why we use DFS numbering
12858 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12859 Richard Henderson <rth@redhat.com>
12861 Merge from gomp-branch:
12862 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12863 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12865 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12867 PR rtl-optimization/25578
12868 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12869 pass a parameter to simplify_shift_const if changing ASHIFTRT
12872 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12874 * builtins.c (get_builtin_sync_mem): New function.
12875 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12876 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12877 Call get_builtin_sync_mem to generate mem rtx.
12879 2006-01-03 Richard Guenther <rguenther@suse.de>
12882 * stmt.c (add_case_node): Make sure to clear overflow flags
12885 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12887 Merge from gomp-branch.
12888 * config/sparc/sync.md: New file.
12889 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12890 UNSPECV_LDSTUB): New constants.
12891 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12892 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12893 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12896 2006-01-03 Roger Sayle <roger@eyesopen.com>
12898 * combine.c (reg_subword_p): New predicate to test whether the
12899 destination of a set refers to a subword/piece of a register.
12900 (try_combine): Generalize the code to merge the setting of a
12901 pseudo to a constant followed by a set of a subword of that
12902 register to a constant.
12904 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12906 * basic-block.h (control_flow_graph): Change the type of
12907 x_label_to_block_map to VEC(basic_block,gc) *.
12908 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12909 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12911 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12912 VEC(basic_block,heap) *.
12913 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12914 ssa_prop_fini): Adjust the uses of cfg_blocks.
12916 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12918 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12920 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12921 hashing trees instead of a pointer hash.
12922 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12923 compare for MEM_EXPR.
12925 PR rtl-optimization/25130
12926 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12927 when comparing MEMs for GCSE
12929 2006-01-03 Ben Elliston <bje@au.ibm.com>
12931 * targhooks.h (default_decimal_float_supported_p): Declare.
12932 * targhooks.c (default_decimal_float_supported_p): Define.
12933 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12934 `default_decimal_float_supported_p'.
12935 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12937 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12939 * combine.c (apply_distributive_law <SUBREG>): Check
12940 TRULY_NOOP_TRUNCATION.
12942 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12944 * dwarf2out.c (have_switched_text_section): Delete.
12945 (have_multiple_function_sections): New.
12946 (have_location_lists): Make 'bool'.
12947 (add_AT_loc_list): Use 'true' not '1'.
12948 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12949 (output_loc_list): Use have_multiple_function_sections.
12950 (output_ranges): Likewise.
12951 (dwarf2out_begin_function): Set have_multiple_function_sections if
12953 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12954 Check function_section rather than DECL_SECTION_NAME.
12955 (dwarf2out_finish): Use have_multiple_function_sections.
12956 Don't clear have_location_lists.
12958 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12959 Jan Hubicka <jh@suse.cz>
12961 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12962 case of conditional jump jumping to the next instruction.
12963 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12964 cases of conditional jump jumping to the next instruction.
12966 2006-01-02 Jan Hubicka <jh@suse.cz>
12968 * i386.c (*_cost): Add COSTS_N_INSNS.
12969 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12971 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12974 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12976 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12978 * config/arm/arm.c (all_fpus): Fix comment typo.
12979 * config/darwin.c: Likewise.
12980 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12981 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12982 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12984 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12986 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12987 (rs6000_split_compare_and_swapqhi): New.
12988 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12989 (sync_compare_and_swapqhi_internal): New.
12990 * config/rs6000/rs6000-protos.h: Declare.