1 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5 PRE_{INC,DEC} of TFmode.
7 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8 Alan Modra <amodra@bigpond.net.au>
11 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
14 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
20 2006-07-05 Jason Merrill <jason@redhat.com>
24 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
25 * c-common.c (handle_packed_attribute): So don't copy it here.
26 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
28 2006-07-05 Mike Stump <mrs@apple.com>
30 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
32 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
35 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
37 2006-07-05 Richard Guenther <rguenther@suse.de>
40 * config/i386/i386.md (*negdf2_1): Restrict pattern to
41 TARGET_SSE2 targets if using SSE math.
42 (*absdf2_1): Likewise.
44 2006-07-05 Richard Guenther <rguenther@suse.de>
46 PR tree-optimization/28162
47 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
48 make sure to convert the operands to the correct type.
50 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
52 PR tree-optimization/28218
54 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
55 to calculate and free the dominator information.
57 2006-07-04 Peter O'Gorman <peter@pogma.com>
59 * mklibgcc.in: chmod 644 before ranlib during install.
61 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
62 J"orn Rennecke <joern.rennecke@st.com>
64 * configure.ac (.eh_frame data check): Use diff -b.
66 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
69 * Makefile.in (BUILD_RTL): Add build/vec.o.
70 (build/gencondmd.o): Filter out -fkeep-inline-functions.
71 (build/genextract): Delete.
72 (build/genautomata): Likewise.
74 2006-07-04 Alan Modra <amodra@bigpond.net.au>
77 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
78 128-bit IBM long doubles for ABI_V4.
80 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
82 * tree.c (range_in_array_bounds_p): New predicate.
83 * tree.h (range_in_array_bounds_p): Declare it.
84 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
85 return a less conservative answer.
86 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
88 (IS_ELEMENT_FOR_GROUP): New macro.
89 (FOR_EACH_ACTUAL_CHILD): Likewise.
90 (next_child_for_group): New helper function.
91 (can_completely_scalarize_p): Take into account groups.
92 (sra_hash_tree): Handle RANGE_EXPR.
93 (sra_elt_eq): Likewise.
94 (lookup_element): Be prepared for handling groups.
95 (is_valid_const_index): Delete.
96 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
97 instead of is_valid_const_index.
98 <ARRAY_RANGE_REF>: New case.
99 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
100 is_valid_const_index.
101 <ARRAY_RANGE_REF>: Do not unconditionally punt.
102 (scan_dump): Dump info for groups too.
103 (decide_instantiation_1): Likewise.
104 (decide_block_copy): Assert that the element is not a group.
105 Propagate decision to groups.
106 (generate_one_element_ref): Handle RANGE_EXPR.
107 (mark_no_warning): Iterate over actual childs.
108 (generate_copy_inout): Likewise.
109 (generate_element_copy): Likewise.
110 (generate_element_zero): Likewise.
111 (generate_element_init_1): Likewise.
112 (dump_sra_elt_name): Handle RANGE_EXPR.
114 2006-07-03 Roger Sayle <roger@eyesopen.com>
116 PR tree-optimization/26251
117 * tree-ssa-threadupdate.c (redirection_block_p): New function.
118 (thread_block): When optimizing for size refuse to thread jumps
119 that would require duplication of blocks other than redirection
122 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
124 * configure.ac: Fix thinko in previous check-in.
125 * configure: Regenerate.
127 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
130 * configure.ac (for lang...): Simplify nesting of conditionals.
131 Test subdir_requires for non-enabled languages. Move processing
132 of lang_opt_files and lang_tree_fiels below that test.
133 * configure: Regenerate.
134 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
136 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
138 * doc/gcov.texi (Invoking Gcov): Add a missing word.
140 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
142 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
145 2006-06-29 Jason Merrill <jason@redhat.com>
152 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
153 * c-common.c (c_determine_visibility): Handle it here.
154 * c-decl.c (finish_decl): Call c_determine_visibility for
156 * flags.h (enum symbol_visibility): Sort from most to least visibility.
158 * varasm.c (default_assemble_visibility): Likewise.
159 * c-common.c (handle_visibility_attribute): Complain about trying
160 to give visibility to an already defined class, or trying to change
161 declared visibility. Always attach the attribute.
166 * attribs.c (decl_attributes): Ignore type-in-place attributes
167 once the type has been defined.
169 2006-06-29 Roger Sayle <roger@eyesopen.com>
172 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
173 to indicate the cpplib has issued an error message for us.
175 2006-06-29 Asher Langton <langton2@llnl.gov>
178 * config/i386/i386.c (ix86_output_function_epilogue): Don't
179 insert a label at the end of an function under Mach-O.
181 2006-06-29 Eric Christopher <echristo@apple.com>
182 Evan Cheng <evan.cheng@apple.com>
184 * predicates.md (vector_all_ones_operand): New.
185 (nonimmediate_or_sse_const_operand): Ditto.
186 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
187 * config/i386/i386.c (standard_sse_constant_opcode): Define.
188 (standard_sse_mode_p): Ditto.
189 (standard_sse_constant_p): Add case for -1 vector.
190 (ix86_expand_vector_move): Try to use.
191 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
192 Call standard_sse_constant_opcode.
193 (*movv4sf_internal): Ditto.
194 (*movv2df_internal): Ditto.
196 2006-06-29 Roger Sayle <roger@eyesopen.com>
198 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
199 of XEXP to extract the operands of a MATCH_CODE rtx.
201 2006-06-28 Andrew Pinski <pinskia@gmail.com>
203 * tree.c (tree_size): Do not waste tail padding in
204 struct tree_string and make the size be the same as
205 build_string will generate.
207 2006-06-28 Jason Merrill <jason@redhat.com>
210 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
211 may_aliases already in the tag's annotations to the bitmap.
213 2006-06-28 Roger Sayle <roger@eyesopen.com>
215 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
217 2006-06-28 Roger Sayle <roger@eyesopen.com>
219 * genpreds.c (generate_switch_p): New function.
220 (add_mode_tests): Push the new mode test down inside an AND expr
221 if this allows the switch-suitable MATCH_CODE to be near the root.
222 (write_match_code_switch): New function to write a MATCH_CODE as
224 (write_predicate_stmts): New function to write a predicate RTX
225 expression as a sequence of statements.
226 (write_one_predicate_function): Use write_predicate_stmts.
227 (write_tm_constrs_h): Likewise.
229 2006-06-26 Fred Fish <fnf@specifix.com>
231 * config/mips/t-sb1: New file.
232 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
235 2006-06-26 DJ Delorie <dj@redhat.com>
237 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
239 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
240 Jayant Sonar <jayants@kpitcummins.com>
241 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
243 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
244 (subsi3, subsi3_1, subsi3_2): New.
245 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
246 * config/m32c/mov.md (SI mov peephole): New.
247 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
248 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
250 2006-06-26 Olivier Hainque <hainque@adacore.com>
252 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
253 a CALL_EXPR target function declaration.
255 2006-06-26 Richard Guenther <rguenther@suse.de>
257 * tree.c (build_string): Do not waste tail padding in
260 2006-06-26 Richard Guenther <rguenther@suse.de>
262 * ggc-page.c (init_ggc): Add missing element to size_lookup
266 2006-06-23 Richard Guenther <rguenther@suse.de>
268 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
269 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
270 alignment requests instead. Add verification code.
271 Add struct tree_function_decl and struct tree_binfo size to
272 extra_order_size_table. Add missing element to size_lookup
275 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
278 * fold-const.c (const_binop): Be prepared for self returning zero.
279 Simplify code handling complex values.
281 2006-06-24 Olivier Hainque <hainque@adacore.com>
283 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
284 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
287 2006-06-24 Olivier Hainque <hainque@adacore.com>
289 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
290 ARRAY_REF, so have the callback called for the low bound expression.
292 2006-06-23 Janis Johnson <janis187@us.ibm.com>
294 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
295 * c-typeck.c (c_common_type): Disallow operations on decimal float
296 types and other float types.
297 * convert.c (convert_to_real): Don't ignore conversions involving
300 2006-06-23 Olivier Hainque <hainque@adacore.com>
302 * tree.c (max_int_size_in_bytes): New function, inspired from
303 code in function.c:assign_temp.
304 * tree.h (max_int_size_in_bytes): Declare.
305 * function.c (assign_temp): Use it.
306 * gimplify.c (create_tmp_var): Relax the assertions on the type
307 properties, not mandating constant size any more.
308 (force_constant_size): New static function.
309 (gimple_add_tmp_var): Use it, forcing variable size to a
310 constant upper bound if it is not constant on entry.
312 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
315 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
316 for initialization and setting of one_only flag to ...
317 (i386_pe_encode_section_info): ...here.
318 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
319 Recheck that the symbol has not been defined.
321 2006-06-23 Richard Guenther <rguenther@suse.de>
323 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
324 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
325 alignment requests instead. Add verification code.
326 Add struct tree_function_decl and struct tree_binfo size to
327 extra_order_size_table. Add missing element to size_lookup
330 2006-06-22 Roger Sayle <roger@eyesopen.com>
331 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
334 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
335 call to lang_hooks.types.type_for_mode returned NULL_TREE.
337 2006-06-23 Ben Elliston <bje@au.ibm.com>
339 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
340 negate dn -- manipulate it directly.
342 2006-06-22 Roger Sayle <roger@eyesopen.com>
343 Steven Bosscher <stevenb.gcc@gmail.com>
346 * reload1.c (gen_reload): Call mark_jump_label on the new insns
347 generated by gen_move_insn to add REG_LABEL notes if necessary.
349 2006-06-22 Bob Wilson <bob.wilson@acm.org>
351 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
352 (leaf_entry): Remove use of MIN_ESA.
354 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
356 PR rtl-optimization/28121
357 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
360 2006-06-21 DJ Delorie <dj@redhat.com>
362 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
364 (mulhisi3_r): Likewise.
366 2006-06-21 Richard Sandiford <richard@codesourcery.com>
369 * coverage.c (coverage_counter_alloc): Leave the index type
371 (coverage_counter_alloc): Use null arguments for operands 2 and 3
374 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
376 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
377 section from the "Options for Code Generation Conventions".
379 2006-06-21 Richard Henderson <rth@redhat.com>
383 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
385 (global_symbolic_operand): Allow weak symbols, even if local_p.
387 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
389 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
390 (find_interesting_uses_address): Punt if above function returns true.
392 2006-06-21 Richard Guenther <rguenther@suse.de>
394 * configure: Regenerated.
396 2006-06-21 Joseph Myers <joseph@codesourcery.com>
398 * config/mips/mips.c (function_arg): Where one part of a
399 complex argument is in registers and the other part in the stack,
400 return a REG not a PARALLEL.
402 2006-06-21 Mark Mitchell <mark@codesourcery.com>
404 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
405 when cross-compiling. Do not substitute libstdcxx_incdir.
406 * configure: Regenerated.
408 2006-06-21 Jakub Jelinek <jakub@redhat.com>
410 * varasm.c (mergeable_string_section): Check for embedded NULs and
411 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
412 rather than TREE_STRING_LENGTH bytes.
414 2006-06-21 Richard Guenther <rguenther@suse.de>
416 * ggc-page.c (extra_order_size_table): Add var_ann_d,
417 tree_ssa_name, bitmap_element and phi_node with 4 arguments
420 2006-06-21 Richrad Guenther <rguenther@suse.de>
422 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
423 Limit iteration over the dominators.
425 2006-06-20 Roger Sayle <roger@eyesopen.com>
427 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
428 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
430 2006-06-20 Richard Guenther <rguenther@suse.de>
431 Michael Matz <matz@suse.de>
433 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
435 * alloc-pool.c (free_alloc_pool_if_empty): New function.
436 * et-forest.h (et_free_pools): Prototype new function.
437 * et-forest.c (et_free_tree_force): Free parent occurrence.
438 (et_free_pools): New function.
439 * dominance.c (free_dominance_info): Free et-forest alloc
442 2006-06-20 Roger Sayle <roger@eyesopen.com>
444 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
445 integer modes, attempt to directly construct an integer constant.
447 * fold-const.c (native_encode_vector): Determine the size of each
448 element from the vector type instead of the first vector element.
450 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
451 if all of its elements/components are constant.
452 (build_constructor_from_list): Likewise.
454 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
456 PR tree-optimization/27331
457 * tree-data-ref.c (free_data_ref): New function.
458 (create_data_ref): Fail if the data reference has unknown access
460 (free_data_refs): Use free_data_ref.
462 2006-06-19 Andrew Pinski <pinskia@gmail.com>
465 * tree-inline.c (setup_one_parameter): Strip useless
466 type conversion before adding it to the IR.
467 (declare_return_variable): Likewise.
469 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
472 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
474 2006-06-19 Mike Stump <mrs@apple.com>
476 * tree.c (variably_modified_type_p): VM arguments don't make the
479 2006-06-19 Richard Guenther <rguenther@suse.de>
481 * tree-ssa-pre.c (try_combine_conversion): Strip useless
482 type conversions after folding.
484 2006-06-19 Richard Guenther <rguenther@suse.de>
486 * ggc-page.c (extra_order_size_tab): Add entries with
487 size of struct function and basic_block.
488 (size_lookup): Extend to cover sizes up to 511.
489 (ggc_alloc_stat): Adjust user.
490 (ggc_pch_count_object): Likewise.
491 (ggc_pch_alloc_object): Likewise.
492 (ggc_pch_write_object): Likewise.
494 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
496 * tree-ssa-loop-niter.c (implies_ge_p): New function.
497 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
500 2006-06-19 Denis Chertykov <denisc@overta.ru>
502 * config/avr/libgcc.S : Correct my wrong previous commit.
504 2006-06-19 Roger Sayle <roger@eyesopen.com>
507 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
508 have stripped a SUBREG from the shift count, so we may need to
509 convert_to_mode back to the type's mode before calling make_tree.
510 Use new_amount instead of amount to avoid expanding a tree twice.
512 2006-06-19 Richard Guenther <rguenther@suse.de>
515 * fold-const.c (operand_equal_p): Check if the argument types
516 have the same precision before stripping NOPs.
518 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
520 Fix PR tree-optimization/27341
521 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
523 * tree-complex.c (pass_lower_complex): Update SMT usage.
525 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
527 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
528 Add a new alternative to the constraint strings. Add move of
529 operand 1 to 3 to the splitter definition.
530 ("doloop_si_long"): Second contraint alternative removed.
532 2006-06-08 Anatoly Sokolov <aesok@post.ru>
534 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
535 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
537 (AVR_HAVE_MOVW) Define.
538 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
539 (ASM_SPEC): Add avr25.
540 (LINK_SPEC): Add avr25.
541 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
542 (base_arch_s): Add new member 'have_movw_lpmx'.
543 (avr_arch_types): Init 'have_movw_lpmx'.
544 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
545 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
546 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
547 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
548 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
550 (avr_file_start): Do not output '.arh' derective.
551 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
552 (__do_copy_data): Use __AVR_HAVE_LPMX__.
553 * config/avr/avr.md (mcu_enhanced): Delete.
554 (mcu_have_movw): Define.
555 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
556 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
557 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
558 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
559 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
560 attiny861 and at86rf401 devices.
562 2006-06-18 Jie Zhang <jie.zhang@analog.com>
564 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
567 2006-06-17 Karl Berry <karl@gnu.org>
569 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
570 doc/gccint.texi, doc/install.texi (@dircategory): Use
571 "Software development" instead of "Programming", following
572 the Free Software Directory.
574 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
576 * config/i386/i386.c (legitimate_tls_address)
577 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
578 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
579 (*tls_dynamic_gnu2_combine_64): Likewise.
581 2006-06-16 Richard Guenther <rguenther@suse.de>
584 * fold-const.c (negate_expr_p): Do not introduce undefined
585 overflow in negating INTEGER_CSTs.
586 (fold_negate_expr): Rename from negate_expr. Revert last
587 change for folding BIT_NOT_EXPR. Change semantics to
588 return NULL_TREE for non-simplified negations. Do not
589 strip type conversions and unify type handling.
590 (negate_expr): New function, wrap around fold_negate_expr
591 but ensure building a tree always. Strip type conversions
592 here, fold to result type.
593 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
595 2006-06-16 Roger Sayle <roger@eyesopen.com>
598 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
599 that (would) return their results in stack registers.
601 2006-06-16 Michael Matz <matz@suse.de>
602 Richard Guenther <rguenther@suse.de>
604 * fold-const.c (fold_truthop): Only return new tree node if
605 we canonicalized something.
607 2006-06-16 Richard Guenther <rguenther@suse.de>
609 * function.h (enum function_frequency): Move declaration
610 out of struct function.
611 (struct function): Move bool fields and the enum to the bitfield
612 section. Reorder elements to avoid padding. Remove unused
613 fields left over from the RTL inliner removal.
614 * function.c (free_after_compilation): Do not zero removed fields.
615 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
616 (ipa-type-escape.o): Likewise.
618 2006-06-16 Richard Guenther <rguenther@suse.de>
620 * cgraph.h (struct cgraph_local_info): Turn bool elements
622 (struct cgraph_node): Likewise.
623 (struct cgraph_varpool_node): Likewise.
625 2006-06-15 Richard Guenther <rguenther@suse.de>
627 * fold-const.c (fold_truth_not_expr): Rename from
628 invert_truthvalue. Give it fold_* semantics to avoid
630 (invert_truthvalue): New function. Wrapper around
632 (optimize_minmax_comparison): Avoid creating garbage.
633 (fold_unary): Use fold_truth_not_expr for folding
635 (fold_ternary): Replace uses of invert_truthvalue with
636 fold_truth_not_expr where applicable.
637 * tree.h (fold_truth_not_expr): Prototype.
639 2006-06-16 Richard Guenther <rguenther@suse.de>
641 PR tree-optimization/27781
642 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
643 * ipa-pure-const.c (target.h): Include.
644 (analyze_function): Do not analyze functions that do not
647 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
650 * tree-dfa.c (referenced_vars_dup_list): Remove.
651 (find_referenced_vars): Remove assert.
652 (referenced_var_check_and_insert): Replace dup list with assert.
653 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
654 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
656 2006-06-15 Richard Guenther <rguenther@suse.de>
658 * tree-ssa-structalias.c (alias_get_name): Avoid creating
659 extra unused identifiers if not dumping.
660 (create_variable_info_for): Likewise.
662 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
664 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
665 (derive_constant_upper_bound): Derive more precise upper bound in
666 common cases. Return type changed to double_int.
667 (record_estimate): Reflect the changed return type of
668 derive_constant_upper_bound.
669 * double-int.c (double_int_zext, double_int_sext): Fix.
671 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
673 * configure.ac (CFLAGS): Get them from the toplevel or from the
674 configure invocation.
675 * configure: Regenerate.
676 * Makefile.in (CFLAGS): Substitute value provided by configure.
678 2006-06-14 Mark Mitchell <mark@codesourcery.com>
681 * c-common.h (c_finish_omp_atomic): Adjust declaration.
682 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
683 rather than calling add_stmt on it.
684 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
686 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
689 * reload1.c (reload): Remove registers returned by update_eliminables
690 from used_spill_regs.
692 2006-06-13 DJ Delorie <dj@redhat.com>
694 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
696 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
698 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
699 html__strip_dir, html__mkdir_p. Enhance install-html target.
700 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
701 * configure: Regenerate.
703 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
705 * fold-const.c (fold_cond_expr_with_comparison): Check for
706 Objective-C++ as language in deciding COND_EXPR transformation.
708 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
711 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
712 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
713 * config/sh/lib1funcs.h (SL, SL1): Define.
714 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
715 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
716 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
717 (OBJS_Os_4_200): New variable.
718 ($(T)libgcc-Os-4-200.a): Use it.
719 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
720 when dividing 1 and/or by 0.
722 2006-06-13 Roger Sayle <roger@eyesopen.com>
724 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
725 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
726 * configure: Regenerate.
728 2006-06-13 Jie Zhang <jie.zhang@analog.com>
730 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
731 for real instruction.
733 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
736 * haifa-sched.c (check_cfg): Handle special case.
738 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
741 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
742 Add debug_info parameter. Chain the vars to the BLOCK instead
743 of the BIND_EXPR if debug info are requested for them.
744 (pop_gimplify_context): Adjust for above change.
745 (gimple_add_tmp_var): Likewise.
746 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
748 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
749 (convert_local_reference): Likewise.
750 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
751 (finalize_nesting_tree_1): Request that debug info be emitted
754 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
756 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
759 2006-06-13 Richard Guenther <rguenther@suse.de>
762 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
764 2006-06-13 Richard Guenther <rguenther@suse.de>
766 PR tree-optimization/27830
767 * tree-inline.c (copy_body_r): For copying the operand
768 of an ADDR_EXPR make sure to fold &* afterwards.
770 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
772 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
773 lvalues in the fb_none case with side-effects.
775 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
777 * tree-flow.h: Remove the prototype for
778 compute_phi_arg_on_exit.
779 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
780 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
783 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
785 * builtins.c (expand_builtin_return_addr): Only use
786 frame_pointer_rtx when count == 0 and we are expanding
787 __builtin_return_address.
789 2006-06-12 Fred Fish <fnf@specifix.com>
791 * config/mips/mips.c (mips_file_start): Create special section
792 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
794 2006-06-11 Eric Christopher <echristo@apple.com>
797 * stor-layout.c (place_field): Remove check for
798 remaining_in_alignment when aligning at the end of a run.
800 2006-06-11 Eric Christopher <echristo@apple.com>
803 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
806 2006-06-11 Roger Sayle <roger@eyesopen.com>
809 Revert incorrect fix for PR target/27158
810 2006-05-08 Roger Sayle <roger@eyesopen.com>
811 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
812 of a reg_equiv_constant if the result is a legitimate constant.
814 2006-06-11 Roger Sayle <roger@eyesopen.com>
817 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
818 extract a CONST_VECTOR element and interpret it as an integer.
819 (vspltis_constant): Use const_vector_elt_as_int instead of the
820 macro CONST_VECTOR_ELT in order to handle FP vector modes.
821 * config/rs6000/predicates.md (easy_vector_const): Consider
822 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
824 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
827 * stor-layout.c (update_alignment_for_field): Don't add extra
828 alignment for packed non-bitfield fields in ms_bitfield_layout_p
831 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
833 * config/mips/t-rtems: Add EL/EB multilib variants.
835 2006-06-09 Mike Stump <mrs@apple.com>
837 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
839 2006-06-09 David Daney <ddaney@avtrex.com>
841 * doc/install.texi: Add binutils version recommendation for mips-*-*.
843 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
845 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
847 2006-06-09 Richard Guenther <rguenther@suse.de>
849 PR tree-optimization/26998
850 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
851 of signed types, only TYPE_MIN_VALUE is special, but for both,
852 minimum and maximum value. Likewise VR_ANTI_RANGE is special
853 in this case, as is -fwrapv.
855 2006-06-08 Mike Stump <mrs@apple.com>
858 * config/darwin.c (darwin_asm_output_anchor): Disable
859 -fsection-anchors on darwin for now.
860 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
861 * rs6000/rs6000.c (optimization_options): Likewise.
863 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
866 * config/i386/i386.c (classify_argument): Skip fields with invalid
869 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
871 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
872 (cse_insn): Likewise for the stack_pointer_rtx.
874 2006-06-08 Roger Sayle <roger@eyesopen.com>
876 * tree-ssa-dom.c (record_conditions): Only record "unordered"
877 conditions from floating point comparisons.
879 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
882 * expmed.c (struct alg_hash_entry): Fix type of field T
883 to match synth_mult argument.
884 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
886 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
889 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
892 2006-06-08 Richard Guenther <rguenther@suse.de>
895 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
896 only, if overflow is defined and not trapping.
897 (negate_expr): Likewise.
899 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
901 PR tree-optimization/27872
902 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
903 flag on the new exit edge of the unrolled loop.
905 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
907 PR rtl-optimization/26449
908 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
910 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
913 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
914 referenced_variables with matching DECL_UID's.
915 (find_referenced_vars): Make sure duplicate list is empty to start.
916 (referenced_var_p): Remove.
917 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
918 Check if var is in the list, and add if needed. Update the duplicate
919 list if a different var is in the list with the same DECL_UID.
920 (add_referenced_var): Call routine to check and insert.
921 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
922 * tree-flow.h (referenced_vars_dup_list): External declaration.
924 2006-06-07 Fred Fish <fnf@specifix.com>
926 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
929 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
932 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
933 the imaginary and real parts of a clobbered register.
934 Emit insn to set the imaginary part.
936 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
938 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
939 in lieu of unwind-dw2-fde.c.
941 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
943 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
945 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
948 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
949 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
950 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
951 V4SImode temporaries and operations instead.
953 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
955 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
958 2006-06-06 Mike Stump <mrs@apple.com>
960 * Makefile.in: Rename to htmldir to build_htmldir to avoid
961 installing during build.
963 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
965 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
967 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
968 * config/ia64/ia64.c (params.h): New header.
969 (ia64_optimization_options): New function to adjust parameters.
970 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
971 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
972 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
974 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
976 * stor-layout.c (debug_rli): Fix a typo in a debug message.
978 2006-06-05 Steve Ellcey <sje@cup.hp.com>
981 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
983 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
984 Victor Kaplansky <victork@il.ibm.com>
986 PR tree-optimization/26360
987 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
990 2006-06-04 Roger Sayle <roger@eyesopen.com>
991 Andrew Pinski <pinskia@physics.uc.edu>
994 * c-common.c (c_common_truthvalue_conversion): Explicitly check
995 for LABEL_DECL before calling DECL_WEAK.
998 * c-typeck.c (build_binary_op): Likewise, explicitly check for
999 LABEL_DECL and PARM_DECL.
1001 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1005 * c-decl.c (grokdeclarator): Disallow variably modified types at
1006 file scope. Avoid marking shared array type of constant size as
1009 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1012 * c-common.c (fold_offsetof_1): Handle static members.
1014 2006-06-04 Eric Christopher <echristo@apple.com>
1016 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1017 (debug_rli): Output value for remaining_in_alignment.
1018 (update_alignment_for_field): Unconditionalize
1019 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1020 extra alignment code.
1021 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1022 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1023 * tree.h (record_layout_info_s): Remove prev_packed.
1024 * doc/extend.texi (ms_struct): Add documentation of format.
1026 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1028 * tree.h: Declare folding_initializer.
1029 * builtins.c (fold_builtin_constant_p): Give definite answer
1030 if folding inside an initializer.
1031 * fold-const.c: Define folding_initializer.
1032 (START_FOLD_INIT): Save and then set folding_initializer.
1033 (END_FOLD_INIT): Restore folding_initializer.
1035 2006-06-04 Richard Guenther <rguenther@suse.de>
1037 PR tree-optimization/27039
1038 * fold-const.c (fold_comparison): Handle pointer comparison
1039 again for all comparison codes. Compare offsets in signed
1041 (fold_binary): Move code from here.
1043 2006-06-03 Roger Sayle <roger@eyesopen.com>
1046 * config/i386/i386.c (construct_container): Split static issued_error
1047 flag into issued_sse_arg_error, issued_sse_ret_error and
1048 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1049 requires the use of x87 registers and the user explicitly
1050 specified the -mno-80387 command line option.
1052 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1054 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1055 HAVE_DECL_SIGALTSTACK.
1057 (segv_handler): Use MC_FLD.
1058 * configure.ac: Check for a sigaltstack declaration.
1059 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1060 * configure: Regenerate.
1061 * config.in: Regenerate.
1063 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1066 * Makefile.in (stmp-fixinc): Fix typo.
1068 2006-06-02 Roger Sayle <roger@eyesopen.com>
1070 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1071 are type correct. Clean-up.
1072 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1073 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1075 2006-06-01 DJ Delorie <dj@redhat.com>
1077 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1078 shift, as we've disabled the "switch" insn that needs it.
1080 2006-06-01 Per Bothner <bothner@bothner.com>
1082 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1083 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1084 * c-ppoutput.c (cb_define): Don't increment line 0.
1086 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1088 * doc/invoke.texi: Add cpu_type power6.
1089 * config.gcc: Add cpu_type power6.
1090 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1091 to power5+ with Altivec.
1092 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1093 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1095 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1097 * config/avr/avr.h (SET_ASM_OP): Define.
1099 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1101 * config/bfin/bfin.c: Fix comment typos.
1103 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1106 * doc/install.texi: Document --enable-bootstrap and
1107 --disable-bootstrap.
1109 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1111 * doc/install.texi: Document that InfoZIP can replace jar.
1113 2006-05-31 Roger Sayle <roger@eyesopen.com>
1115 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1116 isn't available, directly generate the simpler x87 patterns without
1117 the (use (const_int 0)).
1118 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1119 implementation isn't available.
1120 (*negdf2_1): Likewise.
1121 (*negxf2_1): XF mode negation is always done using the x87.
1122 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1124 2006-05-31 Roger Sayle <roger@eyesopen.com>
1126 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1127 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1129 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1131 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1133 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1134 * config/bfin/bfin.c (basic-block.h): Include.
1135 (struct machine_function): New.
1136 (bfin_init_machine_status): New.
1137 (override_options): Initialize init_machine_status.
1138 (bfin_hardware_loop): New.
1139 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1140 (DEF_VEC_P (loop_info)): New.
1141 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1142 (struct loop_info): New.
1143 (loop_info): New typedef.
1144 (struct loop_work): New.
1145 (loop_work): New typedef.
1146 (DEF_VEC_O (loop_work)): New.
1147 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1148 (bfin_dump_loops): New.
1149 (bfin_bb_in_loop): New.
1150 (bfin_scan_loop): New.
1151 (bfin_optimize_loop): New.
1152 (bfin_reorg_loops): New.
1153 (bfin_reorg): Use bfin_reorg_loops.
1154 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1156 (I_REGNO_P): Simplify.
1157 (DP_REGNO_P, DPREG_P): New macros.
1158 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1159 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1160 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1161 Add LT_REGS, LC_REGS, LB_REGS.
1162 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1164 (REGNO_REG_CLASS): Deal with loop registers.
1165 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1167 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1168 New constants for loop registers.
1169 (UNSPEC_LSETUP_END): New.
1170 (seq_insns): New define_attr. Set it for appropriate insns.
1171 (movsi_insn): Add alternatives for move from/to
1172 loop count registers.
1173 (doloop_end): New define_expand.
1174 (loop_end): New define_insn.
1175 (define_split for bad doloop_end): New.
1176 (lsetup_with_autoinit): New define_insn.
1177 (lsetup_without_autoinit): New define_insn.
1178 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1179 * config/bfin/predicates.md (lc_register_operand): New.
1180 (lt_register_operand): New.
1181 (lb_register_operand): New.
1182 (nondp_register_operand): New.
1183 (nondp_reg_or_memory_operand): New.
1184 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1186 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1188 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1189 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1191 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1193 * Makefile.in (CATALOGS): Add po/ prefix.
1194 * configure: Regenerated.
1196 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1199 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1200 a shift operand before calling shift_op. Avoid redundant call of
1203 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1204 DJ Delorie <dj@redhat.com>
1206 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1207 we're inserting is a singlt-bit constant.
1209 2006-05-30 Roger Sayle <roger@eyesopen.com>
1211 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1212 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1214 2006-05-30 Roger Sayle <roger@eyesopen.com>
1216 PR tree-optimization/23452
1217 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1218 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1219 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1220 complex values and with -ffast-math for FP complex values.
1222 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1224 * c-common.h: Remove the prototype for yyparse.
1225 * rtl.h: Remove the prototype for init_loop.
1227 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1229 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1232 2006-05-30 Roger Sayle <roger@eyesopen.com>
1234 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1236 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1237 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1239 2006-05-30 Dirk Mueller <dmueller@suse.de>
1242 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1243 for CONSTANT_CLASS_P expresisons.
1245 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1248 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1250 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1252 PR tree-optimization/27779
1253 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1254 initial_condition instead of CHREC_LEFT.
1256 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1258 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1259 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1260 Make prototypes ISO C90.
1262 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1263 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1265 * see.c (see_analyze_one_def): Correct check.
1266 (see_get_extension_data): Check if extension is parallel.
1267 (see_get_extension_reg): Likewise.
1269 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1272 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1273 into register for (code == GTU).
1275 2006-05-29 Roger Sayle <roger@eyesopen.com>
1277 PR tree-optimization/24964
1278 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1279 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1280 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1281 abs(x)*abs(x) as x*x for scalar floating point modes.
1283 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1286 * lambda-code.c (perfect_nestify): Don't copy statements
1287 in the inner loop: move them to the inner loop header.
1289 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1292 * c-tree.texi: Document OpenMP directives and clauses.
1294 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1296 * varasm.c (globalize_decl): Fix indentation.
1298 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1301 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1302 pass_fre, pass_store_ccp, pass_copy_prop,
1303 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1304 pass_return_slot, pass_object_size, pass_lim,
1305 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1306 pass_loop_prefetch and pass_stdarg.
1308 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1310 * config/bfin/bfin.opt (mfdpic): New option.
1311 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1312 (EXTRA_MULTILIB_PARTS): Likewise.
1313 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1314 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1316 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1317 (CRT_CALL_STATIC_FUNCTION): New.
1318 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1320 (CRT_CALL_STATIC_FUNCTION): New.
1321 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1323 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1324 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1325 (initialize_trampoline): Changed to handle FD-PIC code generation.
1326 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1327 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1328 (override_options): Disallow -mid-shared-library -mfdpic combination.
1329 Can't do unaligned ops if FD-PIC.
1330 Turn off flag_pic if trying to generate non-id-shared-library
1331 non-fdpic code, since it's not supported.
1332 (bfin_assemble_integer): New function.
1333 (TARGET_ASM_INTEGER): Define.
1334 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1336 * config/bfin/crtn.s: Restore them.
1337 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1339 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1340 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1341 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1342 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1343 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1345 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1346 FDPIC_REGS and FDPIC_FPTR_REGS.
1347 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1348 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1349 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1350 (load_funcdescsi): New pattern.
1351 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1352 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1353 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1355 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1357 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1360 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1362 * tree-flow.h: Remove the prototype for add_type_alias.
1363 * tree-ssa-alias.c (add_type_alias): Remove.
1365 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1367 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1368 config/fr30/fr30.md, config/i386/i386-interix.h,
1369 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1370 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1371 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1372 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1373 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1374 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1375 Follow spelling conventions.
1376 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1377 Follow spelling conventions.
1379 2006-05-27 Richard Guenther <rguenther@suse.de>
1382 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1383 to produce a constant of value 1 of generic type.
1385 2006-05-27 Dirk Mueller <dmueller@suse.de>
1387 * cgraphunit.c (decide_is_function_needed): Fix wrong
1390 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1392 PR rtl-optimization/27661
1393 * reload.c (find_reloads): When reloading a VOIDmode constant
1394 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1395 use Pmode as mode of the reload register.
1397 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1399 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1400 is enabled at -O and above.
1402 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1405 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1408 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1411 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1412 for anonymous variables explicitly declared by front ends.
1414 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1416 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1417 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1418 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1419 ref-all pointers, run a finalization pass for them.
1420 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1421 (finalize_ref_all_pointers): New function.
1422 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1423 regular pointer type to a ref-all pointer type.
1424 (get_tmt_for): Return the special memory tag for ref-all pointers.
1426 2006-05-25 Richard Guenther <rguenther@suse.de>
1429 * fold-const.c (fold_binary): Do not look at the stripped
1430 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1432 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1434 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1435 for LT and GT if the computed range is effectively empty.
1437 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1440 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1441 mips_quad_format formats instead of ieee_single_format,
1442 ieee_double_format and ieee_quad_format formats, respectively.
1444 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1446 PR tree-optimization/27639
1447 PR tree-optimization/26719
1448 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1449 call to scev_probably_wraps_p.
1450 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1451 used_in_pointer_arithmetic_p, convert_step): Removed.
1452 (nowrap_type_p): New function.
1453 (scev_probably_wraps_p): Rewritten.
1454 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1455 chrec_convert if chrec_convert_aggressive might have been used.
1456 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1457 scev_direction): New functions.
1458 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1459 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1460 instead of convert_step.
1461 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1462 (convert_step): Declaration removed.
1463 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1465 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1467 * df-core.c: Added to header comments.
1468 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1469 df_ur_bb_info, df_urec_bb_info): Added comments.
1470 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1471 urec, ri problems): Fixed header comments.
1472 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1473 code from df_rd_transfer_function.
1475 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1477 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1478 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1479 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1481 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1483 * expr.c (undefined_operand_subword_p): New.
1484 (emit_move_multi_word): Do not generate move from undefined bits
1485 of a paradoxical subreg.
1487 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1489 PR rtl-optimization/27736
1490 * combine.c (replaced_rhs_value): New variable.
1491 (combine_instructions): Set it.
1492 (distribute_notes): When distributing a note in replaced_rhs_insn,
1493 check whether the value was used in replaced_rhs_value.
1495 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1498 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1499 add_referenced_var instead of add_referenced_tmp_var.
1500 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1501 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1503 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1504 tree_optimize_tail_calls_1): Use add_referenced_var.
1505 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1506 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1507 Use add_referenced_var.
1508 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1509 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1510 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1511 Use add_referenced_var.
1512 * tree-dfa.c (struct walk_state): Remove.
1513 (find_referenced_vars): Remove walk state and vars_found hash table.
1514 (make_rename_temp): Use add_referenced_var.
1515 (find_vars_r): Pass less parameters to add_referenced_var.
1516 (referenced_var_p): New. Is var in referenced_var hash table.
1517 (referenced_var_insert): Assert var isn't already in hash table.
1518 (add_referenced_var): Don't need walk_state parameter. Add var if it
1519 isn't already in the hash table.
1520 (add_referenced_tmp_var): Remove.
1521 (find_new_referenced_vars_1): Use add_referenced_var.
1522 * tree-ssa-pre.c (create_expression_by_pieces,
1523 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1524 Use add_referenced_var.
1525 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1526 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1527 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1529 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1530 vect_create_data_ref_ptr, vect_create_destination_var,
1531 vect_init_vector, vect_build_loop_niters,
1532 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1533 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1534 Use add_referenced_var.
1535 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1536 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1537 (add_referenced_var): Add prototype.
1538 * tree-ssa-structalias.c (get_constraint_for,
1539 intra_create_variable_infos): Use add_referenced_var.
1541 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1543 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1544 big-endian paradoxical subregs.
1545 * var-tracking.c (struct micro_operation_def): Document that,
1546 for modify micro operations, insn is the subsequent instruction.
1547 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1548 (var_reg_set, var_mem_set): ... new functions.
1549 (add_stores): Record subsequent insn.
1550 (compute_bb_dataflow): Use new functions for MO_USE.
1551 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1552 notes after the insn, and modify notes before the insn known
1553 to be the subsequent one.
1554 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1556 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1559 * config/i386/i386.c (ix86_expand_builtin): Use
1560 gen_sse3_monitor64 for TARGET_64BIT.
1562 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1564 PR rtl-optimization/26375
1565 PR rtl-optimization/26855
1566 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1568 (df_ru_bb_local_compute): Reversed statements and removed bogus
1569 comment explaining why they should be in wrong order.
1570 (df_ru_dump, df_rd_dump): Enhanced debug info.
1571 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1573 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1574 reaching uses and fixed space problem.
1576 2006-05-23 Jan Hubicka <jh@suse.cz>
1578 * cgraphunit.c (decide_is_function_needed): Also nested functions
1579 and functions declared inline can be optimized out at -O0.
1581 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1583 * doc/install.texi (Configuration): Remove reference to CrossGCC
1587 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1590 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1591 ix86_compare_emitted is non-NULL.
1593 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1596 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1599 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1601 PR rtl-optimization/25514
1602 * combine.c (replaced_rhs_insn): New variable.
1603 (combine_instructions): Set replaced_rhs_insn when trying to replace
1604 a SET_SRC with a REG_EQUAL note.
1605 (distribute_notes): Use replaced_rhs_insn when determining the live
1606 range of a REG_DEAD register.
1608 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1609 Anatoly Sokolov <aesok@post.ru>
1611 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1612 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1613 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1614 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1615 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1616 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1617 at90usb647, at90usb1286 and at90usb1287 devices.
1618 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1619 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1621 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1623 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1625 2006-05-22 Richard Guenther <rguenther@suse.de>
1628 2006-01-31 Richard Guenther <rguenther@suse.de>
1629 Paolo Bonzini <bonzini@gnu.org>
1631 * doc/install.texi (--disable-libgcc-math): Document.
1633 2006-05-22 Richard Guenther <rguenther@suse.de>
1636 2006-01-31 Richard Guenther <rguenther@suse.de>
1638 * doc/invoke.texi (-msselibm): Document.
1639 * target.h (expand_library_builtin): New target hook.
1640 * builtins.c (expand_builtin): Use expand_library_builtin.
1641 (default_expand_library_builtin): New function.
1642 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1643 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1644 (link_gcc_math_spec): Declare.
1645 (static_specs): Add link_gcc_math_spec.
1646 * expr.h (default_expand_library_builtin): Declare.
1647 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1648 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1649 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1650 * config/i386/i386.opt (msselibm): New target option.
1651 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1652 (ix86_init_sse_abi_builtins): New function.
1653 (ix86_expand_library_builtin): Likewise.
1654 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1655 (override_options): Handle error conditions wrt -msselibm.
1656 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1657 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1658 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1661 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1664 * c-common.c (self_promoting_args_p): Skip erroneous args.
1667 * c-decl.c (finish_struct): Skip erroneous fields.
1669 2006-05-22 Nick Clifton <nickc@redhat.com>
1671 * config/cris/cris.opt (march): Remove VarExists attribute.
1672 (max-stackframe=): Likewise.
1674 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1676 * doc/rtl.texi: Fix a typo.
1677 * see.c: Fix comment typos.
1679 * tree-ssa-structalias.h (alias_info): Remove num_references.
1681 2006-05-21 Mike Stump <mrs@apple.com>
1683 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1685 (darwin_pragma_options): Use BAD instead.
1686 (darwin_pragma_unused): Likewise.
1687 (darwin_pragma_ms_struct): Likewise.
1689 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1691 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1693 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1695 PR rtl-optimization/27671
1696 * simplify-rtx.c (simplify_relational_operation_1): Fix
1697 simplifications of (eq/ne (xor x y) y) and
1698 (eq/ne (xor x y) x).
1700 PR tree-optimization/26622.
1701 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1704 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1706 * tree-cfg.c: Prune whitespace.
1707 (debug_tree_cfg): Point to correct header containing the
1710 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1713 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1715 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1718 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1719 or sorry count is non zero.
1721 2006-05-20 Andreas Schwab <schwab@suse.de>
1723 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1725 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1726 Kenneth Zadeck <zadeck@naturalbridge.com>
1728 PR rtl-optimization/26855
1730 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1732 (df_scan_alloc): Added code to properly handle multiword hard
1733 registers and add all_blocks parameter.
1734 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1735 code to properly handle multiword hard registers.
1736 (df_rescan_blocks): Added code to remove deleted blocks from
1738 (df_ref_create_structure, df_ref_record): Added code to properly
1740 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1741 and set DF_REF_PARTIAL.
1742 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1743 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1744 (df_scan_add_problem): Added flags parameter.
1745 (df_ref_create_structure): Changed switching structure.
1746 (df_bb_refs_record): Fixed case where duplicate artificial refs
1747 were created. Changed location of flags.
1748 (df_record_entry_block_defs): Added code to make stack pointer
1749 live in entry block. Refined cases where frame pointer is needed.
1750 Changed location of flags.
1751 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1752 (df_set_state): Removed function.
1753 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1754 df_insn_create_insn_record, df_insn_refs_delete,
1755 df_ref_create_structure): Formatting changes.
1756 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1757 df_delete_basic_block): New function.
1758 (df_init): Changed location of flags.
1759 (df_add_problem): Added flags parameter and the way flags are
1761 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1762 debug_df_chain): Improved debugging output.
1763 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1764 (df_refs_chain_dump): Removed df parameter.
1765 (df_iterative_dataflow): Added consistency check.
1766 (df_prune_to_subcfg): Made public.
1767 (df_analyze_problem): Added blocks_to_init parameter and made
1769 (df_ref_record, df_bb_refs_record, df_mark_reg,
1770 df_record_exit_block_uses): Whitespace changes.
1771 (df_dump): Whitespace changes.
1772 * df.h: Some reordering to remove forward references.
1773 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1774 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1775 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1776 (dataflow.flags): New field.
1777 (df.flag): Deleted field.
1778 (df_alloc_function): Added additional bitmap parameter.
1779 (df_dependent_problem_function): New type.
1780 (df_problem.changeable_flags): New field.
1781 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1782 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1783 (df_mw_hardreg): New struct.
1784 (DF_INSN_UID_MWS): New macro.
1785 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1787 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1788 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1789 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1790 (df_set_state): Removed function.
1791 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1792 * df-problems.c (df_chain_dump): Removed df parameter.
1793 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1794 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1796 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1797 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1798 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1799 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1800 DF_REF_MUST_CLOBBER cases.
1801 (df_ru_bb_local_compute_process_def,
1802 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1803 df_lr_bb_local_compute, df_ur_bb_local_compute,
1804 df_chain_create_bb): Made subreg aware.
1805 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1806 df_lr_bb_local_compute, df_lr_bb_local_compute,
1807 df_chain_create_bb): Cleanup to use proper macros.
1808 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1809 code to fixup bitvectors.
1810 (df_ri_alloc): Cleared lifetime.
1811 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1812 df_create_unused_note): New function.
1813 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1814 REG_DEAD and REG_UNUSED notes as well as register information.
1815 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1816 df_chains_dump): Fixed crash if problem was never run.
1817 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1818 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1819 df_ri_add_problem): Processes flags in uniform manner.
1820 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1821 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1822 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1823 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1824 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1825 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1826 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1827 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1828 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1829 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1830 * see.c (see_initialize_data): Ditto.
1831 * final.c (rest_of_clean_state) Added regstack_completed.
1832 * rtl.h (regstack_completed): Ditto.
1833 * reg-stack.c (regstack_completed): Ditto.
1835 2006-05-19 Mike Stump <mrs@apple.com>
1837 * c-tree.h (default_conversion): Remove.
1838 * c-common.h (default_conversion): Add.
1840 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1842 * tree-vrp.c (valid_value_p): New function.
1843 (adjust_range_with_scev): Fail if the value of bound is not
1846 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1848 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1849 (mips_fallback_frame_state): Use syscall numbers to determine
1850 the appropriate li instruction for the current ABI. Only use
1851 __NR_sigreturn for o32.
1853 2006-05-19 Nicolas Setton <setton@adacore.com>
1855 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1856 * langhooks.c (lhd_dwarf_name): New function.
1857 * langhooks-def.h (lhd_dwarf_name): Declare.
1858 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1859 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1860 * ada/misc.c (gnat_dwarf_name): New function.
1861 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1863 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1865 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1867 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1868 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1869 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1870 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1871 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1872 determine the size of Wtype, etc.
1873 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1874 (swfloatfuncs): New variable.
1875 (dwfloatfuncs): Likewise.
1876 (lib2funcs): Remove floating-point conversion functions from
1877 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1878 the set of conversion routines needed. Allow entries to specify
1879 an object name, filename and word size. Update users accordingly.
1880 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1881 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1885 2006-02-08 Roger Sayle <roger@eyesopen.com>
1888 * config/fixtfdi.c: New libgcc source file.
1889 * config/fixunstfdi.c: New source file.
1890 * config/floatditf.c: New source file.
1891 * config/floatunditf.c: New souce file.
1892 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1893 files above instead of config/mips/_tilib.c.
1894 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1896 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1898 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1899 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1901 2006-05-18 Mike Stump <mrs@apple.com>
1903 Fix up vla, vm and [*] sematics.
1909 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1910 (c_vla_unspec_p): Add.
1911 (c_vla_type_p): Add.
1912 * c-decl.c (struct c_scope): Add had_vla_unspec.
1913 (build_array_declarator): Add support for [*].
1914 (grokdeclarator): Likewise.
1915 (grokparms): Likewise.
1916 (get_parm_info): Likewise.
1917 * c-objc-common.c (c_vla_unspec_p): Likewise.
1918 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1919 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1920 typeof when argument is a variably modified type not inside sizeof or alignof.
1921 (c_parser_direct_declarator_inner): Propagate errors.
1922 (c_parser_sizeof_expression): Add support for [*].
1923 (c_parser_parms_declarator): Initialize had_vla_unspec.
1924 (c_parser_parms_list_declarator): Likewise.
1925 * c-typeck.c (c_vla_type_p): Add.
1926 (composite_type): Add support for vla compositing.
1927 (comptypes_internal): Add support for vla compatibility.
1928 (c_expr_sizeof_expr): Evaluate vla arguments.
1929 * tree.c (variably_modified_type_p): Update comment for [*].
1931 2006-05-18 Michael Matz <matz@suse.de>
1934 * config.host: Make assignments to host_xmake_file cumulative.
1935 * config.host (*-darwin*): Test $host, not $target.
1937 2006-05-12 Stuart Hastings <stuart@apple.com>
1939 * config/i386/i386.opt (-mstackrealign): New flag.
1940 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1941 (ix86_handle_cconv_attribute): Emit error when
1942 force_align_arg_pointer attribute collides with too many regparms.
1943 (ix86_function_regparm): Limit regparms when used with
1944 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1945 Support stack-realigning prologue in non-main functions. Emit
1946 warning for nested functions under -mstackrealign, emit error for
1947 nested functions with force_align_arg_pointer attribute.
1948 * doc/extend.texi (force_align_arg_pointer): Document it.
1949 * doc/invoke.texi (-mstackrealign): Document it.
1951 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1953 PR rtl-optimization/27477
1954 * combine.c (try_combine): Don't split a parallel consisting
1955 of two sets into two individual sets if both sets reference
1958 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1960 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1961 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1963 * doc/options.texi (VarExists): Updated.
1965 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1967 * unwind-dw2.c: Add declarations for uw_update_context and
1969 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1970 detected, advance frame state and context once to skip over stub.
1972 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1976 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1977 Call rewrite_into_loop_closed_ssa only when something changed.
1978 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1979 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1980 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1981 Test for perfect_nest_p here. Fix formating.
1982 (replace_uses_equiv_to_x_with_y): Fix formating.
1983 (stmt_uses_op): Removed.
1984 (can_convert_to_perfect_nest): Removed loopivs parameter.
1985 Complete the test by checking the scalar dependences.
1986 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1989 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1992 From Dan Kegel <dank@kegel.com>:
1993 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1995 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1997 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1998 if the element type is variably modified without recursing.
2000 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2003 * tree-loop-linear.c (try_interchange_loops): Test for
2004 no data dependences.
2006 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2008 PR tree-optimization/27548
2009 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2010 range of ssa names that appear on abnormal edges.
2011 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2012 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2014 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2017 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2019 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2022 * tree.h (OMP_PARALLEL_COMBINED): Define.
2023 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2024 (new_omp_context): Add is_combined_parallel argument.
2025 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2026 new_omp_context caller.
2027 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2028 Adjust gimplify_scan_omp_clauses callers.
2029 (omp_is_private): Issue errors if iteration variable is firstprivate
2030 or reduction in the current context.
2031 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2032 on combined parallel workshare constructs.
2034 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2036 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2037 (gcc-options.o): New rule.
2039 * optc-gen.awk: Protect variables for gcc-options.o with
2040 #ifdef GCC_DRIVER/#endif.
2042 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2044 Fix PR tree-optimization/27373
2045 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2046 (forward_propagate_addr_expr): Update call.
2048 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2050 * doc/options.texi: Move the Negative option.
2052 2006-05-16 Richard Guenther <rguenther@suse.de>
2054 PR tree-optimization/22303
2055 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2057 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2058 ccp_fold did not simplify the statement.
2060 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2063 * Makefile.in (GCC_OBJS): New.
2064 (OBJS-common): Add opts-common.o.
2065 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2066 (cpp$(exeext)): Likewise.
2067 (gcc.o): Also depend on opts.h.
2068 (opts-common.o): New.
2070 * common.opt (gcoff): Add Negative(gdwarf-2).
2071 (gdwarf-2): Add Negative(gstabs).
2072 (gstabs): Add Negative(gstabs+).
2073 (gstabs+): Add Negative(gvms).
2074 (gvms): Add Negative(gxcoff).
2075 (gxcoff): Add Negative(gxcoff+).
2076 (gxcoff+): Add Negative(gcoff).
2077 * config/i386/i386.opt (m32): Add Negative(m64).
2078 (m64): Add Negative(m32).
2080 * doc/options.texi: Document the Negative option.
2082 * gcc.c: Include "opts.h".
2083 (main): Call prune_options after expandargv.
2085 * optc-gen.awk: Generate common declarations for all flag
2086 variables in options.c. Output the neg_index field.
2088 * opts.c (find_opt): Moved to ...
2089 * opts-common.c: Here. New file.
2091 * opts.h (cl_option): Add a neg_index field.
2093 (prune_options): Likewise.
2095 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2098 * omp-low.c (expand_omp_parallel): Don't assert
2099 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2100 instead search for it.
2103 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2106 2006-05-16 Andreas Schwab <schwab@suse.de>
2108 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2111 2006-05-15 Roger Sayle <roger@eyesopen.com>
2114 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2115 integer constants other than zero are only legitimate on TARGET_64BIT.
2116 <CONST_VECTOR> Only zero vectors are legitimate.
2117 (ix86_cannot_force_const_mem): Integral and vector constants can
2118 always be put in the constant pool.
2120 2006-05-16 DJ Delorie <dj@redhat.com>
2122 * crtstuff.c (__dso_handle): Set section from
2123 TARGET_LBIGCC_SDATA_SECTION if defined.
2124 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2125 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2127 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2130 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2133 2006-05-16 Ben Elliston <bje@au.ibm.com>
2135 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2137 2006-05-15 Per Bothner <per@bothner.com>
2139 * tree.c: (last_annotated_node): Use source_locus typedef.
2140 This permits bootstrapping with --enable-mapped-location.
2142 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2144 PR tree-optimization/26830
2145 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2146 (info_for_ssa_name, current_info_for_ssa_name_age,
2147 blocks_to_update): New variables.
2148 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2149 (clear_ssa_name_info, initialize_flags_in_bb,
2150 mark_block_for_update): New functions.
2151 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2152 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2153 prepare_def_site_for): Use mark_block_for_update.
2154 (mark_def_interesting): Assert that the processed block is marked in
2155 blocks_to_update. Do not take blocks argument.
2156 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2158 (rewrite_update_init_block, rewrite_update_stmt): Only process
2159 blocks with statements to rewrite.
2160 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2161 (update_ssa): Initialize and free blocks_to_update. Do not
2162 clear flags on statements. Do not use blocks bitmap.
2163 * tree.h (SSA_NAME_AUX): Removed.
2164 (struct tree_ssa_name): Removed aux field.
2165 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2167 2006-05-15 Richard Guenther <rguenther@suse.de>
2169 PR tree-optimization/27603
2170 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2171 Do computations in original type.
2173 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2175 * see.c: Code style changes such as redundant paranthesis,
2176 redundant intialization of local variables etc.
2177 (see_main): Declared now as static.
2178 * doc/invoke.texi: Update that -fsee is not enabled by
2181 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2183 * omp-low.c (check_omp_nesting_restrictions): New function.
2184 (scan_omp_1): Call it.
2187 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2188 construct, return *VAR.
2190 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2192 PR rtl-optimization/27406
2193 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2196 2006-05-14 Roger Sayle <roger@eyesopen.com>
2198 PR rtl-optimization/27538
2199 * combine.c (expand_compound_operation): Call gen_lowpart
2200 before calling simplify_shift_const.
2202 2006-05-14 Roger Sayle <roger@eyesopen.com>
2204 PR rtl-optimization/22563
2205 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2206 a fixed width bitfield, always force the intermediates into psuedos.
2208 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2211 * mkconfig.sh: Use operator = instead of == for test.
2213 2006-05-13 Nick Clifton <nickc@redhat.com>
2215 * dwarf2out.c (dbx_reg_number): Check return value from
2216 LEAF_REG_REMAP and only use it if it is valid.
2217 (multiple_reg_loc_descriptor): Likewise.
2219 2006-05-13 Richard Guenther <rguenther@suse.de>
2221 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2224 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2226 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2227 information attached to non-INSNs such as NOTEs.
2228 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2230 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2232 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2234 * config/s390/s390.md: Adjust comment describing On constraint.
2236 2006-05-11 Jan Hubicka <jh@suse.cz>
2238 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2239 to be output at -O0.
2241 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2244 * fold-const.c (size_binop): Move sanity check for arguments to
2245 the beginning of the function.
2248 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2251 2006-05-11 Richard Guenther <rguenther@suse.de>
2254 * fold-const.c (fold_unary): Handle intermediate conversion
2255 to a pointer type like intermediate conversion to an integer
2256 type in folding of (T1)(T2)var to var.
2257 Match the code to the comment in the final conversion for
2258 (T1)(T2)var to (T1)var regarding to type precision. Rather
2259 than disallow T1 being of pointer type, assert that both T1
2260 and var are of pointer type or not. Make sure not to fall
2261 over the frontends lazyness wrt array to pointer decay though.
2263 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2265 * arm.c (arm_struct_value_rtx): Delete.
2266 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2267 (arm_init_cumulative_args): Always initialize nregs to zero.
2269 2006-05-10 Richard Guenther <rguenther@suse.de>
2271 PR tree-optimization/27532
2272 * tree-object-size.c (plus_expr_object_size): Fix typo.
2274 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2277 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2278 ashrdi_const, ashrdi3): Use a scratch register.
2280 2006-05-10 Richard Guenther <rguenther@suse.de>
2282 PR tree-optimization/27302
2283 * fold-const.c (operand_equal_p): For two comparisons,
2284 try comparison of one comparison code swapped if that yields
2287 2006-05-10 Ben Elliston <bje@au.ibm.com>
2289 * tree-pretty-print.c (pretty_print_string): No need to handle
2290 '\0' as a special character.
2292 * tree.h: Include "hashtab.h".
2293 (iterative_hash_expr): Use hashval_t in its prototype.
2294 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2296 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2299 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2300 (hppa*64*-*-hpux11*): Ditto.
2301 (hppa[12]*-*-hpux11*): Ditto.
2303 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2306 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2308 2006-05-09 Michael Matz <matz@suse.de>
2310 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2311 host_extra_gcc_objs and host_xmake_file.
2312 (<*-*-linux*>): Don't overwrite host_xmake_file.
2313 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2314 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2315 (host_detect_local_cpu): Declare.
2316 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2317 * config/i386/i386.c (override_options): Handle -mtune=native
2319 * config/i386/x-i386: New file.
2320 * config/i386/driver-i386.c: New file.
2321 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2324 2006-05-09 Dirk Mueller <dmueller@suse.de>
2325 Richard Guenther <rguenther@suse.de>
2328 * fold-const.c (fold_read_from_constant_string): Relax check
2329 for matching types to matching modes.
2331 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2333 PR rtl-optimization/27335
2334 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2337 2006-05-08 Chao-ying Fu <fu@mips.com>
2338 Richard Sandiford <richard@codesourcery.com>
2340 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2341 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2342 * config/mips/mips.md (UNSPEC_SCC): New constant.
2343 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2344 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2345 (mips_emit_compare): Use it.
2346 (mips_expand_vcondv2sf): New function.
2348 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2350 Fix PR tree-optimization/27093
2351 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2352 renaming when they become not-used_alone.
2354 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2356 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2357 relocation and relocation stubs.
2359 2006-05-08 Eric Christopher <echristo@apple.com>
2361 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2364 2006-05-08 Jan Hubicka <jh@suse.cz>
2367 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2368 unused static functions are needed.
2370 2006-05-08 Roger Sayle <roger@eyesopen.com>
2373 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2374 of a reg_equiv_constant if the result is a legitimate constant.
2376 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2379 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2380 standard 80387 constants, raise the cost to prevent
2381 compress_float_constant() to generate load from memory.
2383 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2385 * config/arm/constraints.md (c): Fix a typo.
2387 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2390 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2393 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2395 (_mm_mwait): Likewise.
2397 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2399 (sse3_monitor): Make it 32bit only.
2400 (sse3_monitor64): New. 64bit monitor.
2402 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2405 * config/i386/i386.c (classify_argument): Skip fields with invalid
2408 2006-05-07 Richard Guenther <rguenther@suse.de>
2410 PR tree-optimization/27409
2411 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2412 Do not try to find zero-sized subvars.
2414 2006-05-07 Richard Guenther <rguenther@suse.de>
2416 PR tree-optimization/27136
2417 * tree-ssa-loop-niter.c (get_val_for): Correct function
2418 comment, assert requirements.
2419 (loop_niter_by_eval): Stop processing if the iterated
2420 value did not simplify.
2422 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2424 * opts.c (flag_see): remove its setting at -O3.
2426 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2428 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2429 * arm/constraints.md: New file.
2430 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2431 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2432 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2433 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2434 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2435 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2436 * arm.md: Include constraints.md.
2437 (thumb_movsi_insn): Use satisfies_constraint_J.
2438 (movhi, movqi): Use satisfies_constraint_I.
2440 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2442 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2443 for atmeg a645 device.
2445 2006-05-06 Richard Guenther <rguenther@suse.de>
2447 PR tree-optimization/27151
2448 * tree-vect-transform.c (vectorizable_condition): Punt on
2449 values that have a different type than the condition.
2451 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2454 * c-parser.c (c_parser_cast_expression): Only insert casts into
2455 hash table if pointer.
2456 * function.c (used_types_insert_helper): Rename from
2458 (used_types_insert): Call used_types_insert_helper.
2459 * function.h (used_types_insert): Accept only one argument.
2461 2006-05-05 David Edelsohn <edesohn@gnu.org>
2463 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2464 scratch with output modifier.
2466 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2469 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2470 with output modifier.
2472 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2475 * config/mips/mips.c (mips_symbolic_address_p): Return true
2476 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2477 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2479 2006-05-04 Richard Guenther <rguenther@suse.de>
2481 PR tree-optimization/14287
2482 PR tree-optimization/14844
2483 PR tree-optimization/19792
2484 PR tree-optimization/21608
2485 PR tree-optimization/27090
2486 * tree-ssa-pre.c (try_combine_conversion): New function.
2487 (compute_avail): After constructing the value-handle
2488 expression, use try_combine_conversion to combine NOP_EXPRs
2489 with previous value-handle expressions and use the result if it
2492 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2494 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2496 2006-05-04 Jan Hubicka <jh@suse.cz>
2499 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2501 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2503 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2504 that this only matches CONST_INTs. All users changed to VOIDmode
2507 * config/bfin/bfin.c: Include "optabs.h".
2508 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2510 (enum bfin_builtins): Add a number of fractional and vector builtins.
2511 (bfin_init_builtins): Likewise.
2512 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2513 (safe_vector_operand, bfin_expand_binop_builtin,
2514 bfin_expand_unop_builtin): New functions.
2515 (bfin_expand_builtin): Handle the new builtins.
2516 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2519 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2522 * Makefile.in (OBJS-common): Add see.o.
2523 (see.o): Add dependencies.
2524 * common.opt (fsee): New flag for the see optimization was added.
2525 * opts.c (flag_see): Initialized.
2526 * passes.c (init_optimization_passes, pass_see): New pass.
2527 * rtl.h (see_main): Declaration as extern.
2528 * timevar.def (TV_SEE): New.
2529 * tree-pass.h (pass_see): Declaration as extern.
2530 * invoke.texi (-fsee): Document.
2531 * recog.c (validate_simplify_insn): New function.
2532 * recog.h (validate_simplify_insn): Declaration as extern.
2533 * df-problems.c (df_chain_dump): Check for NULL.
2535 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2536 Daniel Berlin <dberlin@dberlin.org>
2538 * cfgrtl.c (insert_insn_bb_end_new): New function.
2539 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2541 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2543 * df.h (struct web_entry): Moved from web.c.
2544 (union_defs): Declaration as extern.
2545 (unionfind_root): Likewise.
2546 (unionfind_union): Likewise.
2547 * web.c (struct web_entry): Moved to df.h.
2548 (unionfind_root): Remove static declaration.
2549 (unionfind_union): Likewise.
2550 (union_defs): Likewise and generalize to use callback function.
2551 (web_main): Update arguments for union_defs function call.
2553 2006-05-04 Richard Guenther <rguenther@suse.de>
2555 PR tree-optimization/26447
2556 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2557 produce SSA_NAME copies before the store stmt to avoid
2558 breaking exception handling.
2560 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2563 * gimplify.c (omp_is_private): If var is shared in some outer context,
2564 return false instead of true. Stop searching on parallel context
2567 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2570 * coverage.c: Use get_gcov_unsigned_t() instead of
2571 unsigned_type_node all over.
2573 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2575 PR tree-optimization/27381
2576 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2577 maintain the same immediate_use links.
2578 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2579 node rather than segfaulting.
2581 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2584 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2585 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2586 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2588 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2590 Fix PR tree-optimization/26626
2591 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2593 * tree-ssa-operands.c (access_can_touch_variable): Allow
2594 typecasting through union pointers.
2596 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2599 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2600 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2601 to find if var will be a global variable even in the nested context.
2602 (omp_copy_decl): Only check for global variable at the end, it might
2603 be overridden in outer contexts.
2604 (scan_sharing_clauses): For global variables don't create a field.
2605 (lower_rec_input_clauses): Do nothing for global shared variables.
2606 Emit a barrier at the end of ILIST if there were any decls in both
2607 firstprivate and lastprivate clauses.
2608 (lower_send_clauses): Do nothing for global variables except for
2611 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2613 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2614 of the correct signedness is returned.
2616 2006-05-02 Jeff Law <law@redhat.com>
2618 PR tree-optimization/27364
2619 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2620 multiply expressions.
2622 2006-05-02 Tom Tromey <tromey@redhat.com>
2624 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2626 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2629 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2630 -mthumb -fPIC are used.
2632 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2633 Joshua Kinard <kumba@gentoo.org>
2636 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2637 with 64-bit pointers.
2639 2006-05-02 Paul Brook <paul@codesourcery.com>
2641 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2643 (create_fix_barrier): Check that a suitable barrier location is
2645 (arm_reorg): Include ftmp->address in allowable range of addresses.
2647 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2650 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2653 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2656 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2657 around RESULT_DECL for result passed by reference.
2658 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2659 * omp-low.c (use_pointer_for_field): Don't look at
2660 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2661 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2662 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2663 time or var for passing by reference for
2664 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2665 TREE_ADDRESSABLE variables when passing by reference.
2667 * omp-low.c (dump_omp_region): Fix output formatting.
2670 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2671 (expand_omp_parallel): Likewise.
2672 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2675 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2676 on statement list containing also constructors and destructors.
2677 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2680 * except.c (duplicate_eh_regions): Fix clearing of
2681 cfun->eh->region_array entries.
2683 2006-05-01 DJ Delorie <dj@redhat.com>
2685 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2687 (gcc_cv_objdump): Likewise.
2688 * configure: Regenerated.
2690 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2693 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2694 templates for case 3 and 4.
2696 2006-05-01 DJ Delorie <dj@redhat.com>
2698 * vec.c: Include bconfig.h when appropriate.
2699 * Makefile.in (build/vec.o): Adjust dependencies.
2700 * mkconfig.sh: Make sure config.h isn't used for build machine
2703 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2705 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2707 (mark_phi_for_rewrite): New function.
2708 (insert_phi_nodes_for, mark_use_interesting): Call
2709 mark_phi_for_rewrite.
2710 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2711 (update_ssa): Initialize and free phis_to_rewrite.
2713 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2715 PR rtl-optimization/27291
2716 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2717 folded to a constant.
2719 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2721 PR tree-optimization/27283
2722 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2723 not whole # of iteration descriptions.
2724 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2725 uses abnormal ssa name.
2726 (niter_for_single_dom_exit): Ditto.
2727 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2728 return just the number of iterations.
2730 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2732 PR tree-optimization/27144
2733 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2734 (record_estimate): Only record constant upper bound.
2735 (infer_loop_bounds_from_undefined): Call
2736 compute_estimated_nb_iterations just once.
2737 (proved_non_wrapping_p): Renamed to ...
2738 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2739 (convert_step_widening, scev_probably_wraps_p): Call
2740 n_of_executions_at_most instead of proved_non_wrapping_p.
2741 (substitute_in_loop_info): Do not replace values in bounds.
2742 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2745 2006-05-01 Richard Henderson <rth@redhat.com>
2748 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2749 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2752 2006-05-01 Roger Sayle <roger@eyesopen.com>
2754 * c-typeck.c (parser_build_binary_op): Don't call the function
2755 unsigned_conversion_warning to spot operand/result type overflow.
2756 (build_binary_op): Instead, call convert_and_check instead of
2757 convert to report the problem when the operands are promoted.
2758 * c-common.c (unsigned_conversion_warning): Make static.
2759 * c-common.h (unsigned_conversion_warning): Delete prototype.
2761 2006-05-01 Richard Guenther <rguenther@suse.de>
2763 PR tree-optimization/26726
2764 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2766 (find_interesting_uses_address): ... we work around here
2767 by folding INDIRECT_REFs in the substituted base.
2769 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2771 * omp-low.c (dump_omp_region): Add newlines.
2773 2006-04-30 Roger Sayle <roger@eyesopen.com>
2775 * common.opt (Woverflow): New command line option.
2776 * c-common.c (constant_expression_warning): Check warn_overflow.
2777 (overflow_waring): Pass OPT_Woverflow to warning.
2778 (unsigned_conversion_warning): Likewise.
2779 (convert_and_check): Likewise.
2780 * doc/invoke.texi: Document new command line option.
2782 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2784 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2785 TARGET_NO_FP_IN_TOC for section anchors.
2786 (optimization_options): Enable section anchors for all
2787 non-"Objective" languages.
2789 2006-04-28 Eric Christopher <echristo@apple.com>
2791 * config/darwin-c.c (darwin_ms_struct): Move this
2792 (darwin_set_default_type_attributes): and this...
2793 * config/darwin.c: ... here.
2794 * config/darwin.h (darwin_ms_struct): Declare.
2796 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2798 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2800 2006-04-28 Roger Sayle <roger@eyesopen.com>
2803 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2804 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2805 an unsigned HOST_WIDE_INT.
2806 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2808 (really_start_incremental_init): No need to call convert because
2809 bitsize_zero_node is already of type bitsizetype.
2810 (push_init_level): Extract the value of constructor_index as an
2811 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2812 (process_init_element): Likewise.
2814 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2816 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2817 value before passing to make_relative_prefix.
2819 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2822 * builtins.c (expand_builtin_memset): Expand val in original mode.
2824 2006-04-27 Eric Christopher <echristo@apple.com>
2826 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2827 with #ifndef/#endif.
2828 * config/darwin-c.c (darwin_ms_struct): New.
2829 (darwin_pragma_ms_struct): Ditto.
2830 (darwin_set_default_type_attributes): Ditto.
2831 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2832 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2833 Register ms_struct pragma.
2834 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2835 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2836 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2837 darwin_set_default_type_attributes if TARGET_MACHO.
2839 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2841 PR tree-optimization/26854
2842 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2843 * doc/tree-ssa.texi: Update immuse iterator documentation.
2844 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2845 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2846 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2847 first_safe_imm_use, next_safe_imm_use): Remove.
2848 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2849 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2850 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2851 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2852 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2853 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2854 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2855 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2856 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2857 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2858 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2859 (perfect_nestify): Use new iterator.
2860 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2862 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2863 (next_imm_name): New field in struct immediate_use_iterator_d.
2864 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2865 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2866 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2867 * tree-cfg.c (replace_uses_by): Use new iterator.
2868 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2869 * tree-ssa-operands.c (correct_use_link): Remove.
2870 (finalize_ssa_use_ops): No longer call correct_use_link.
2872 2006-04-27 Stuart Hastings <stuart@apple.com>
2874 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2875 * config/t-darwin (crt3.o): Use it.
2876 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2877 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2878 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2879 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2880 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2883 2006-04-27 Roger Sayle <roger@eyesopen.com>
2885 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2886 size, force the intermediate into a new pseudo rather instead of
2887 performing both a bitwise AND and a bitwise IOR in memory.
2889 2006-04-27 Richard Guenther <rguenther@suse.de>
2891 PR rtl-optimization/26685
2892 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2893 this one "max-flow-memory-locations".
2895 2006-04-27 Richard Guenther <rguenther@suse.de>
2897 PR tree-optimization/25148
2898 * tree-vrp.c (compare_values): Remove code dealing with
2899 comparisons against type min/max value. Honour overflow
2900 and negative constants in code dealing with comparisons
2901 of plus and minus expressions.
2902 (value_inside_range): Use fold_binary with LE_EXPR and
2903 GE_EXPR rather than compare_values.
2905 2006-04-27 Dirk Mueller <dmueller@suse.de>
2907 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2910 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2912 * basic-block.h (safe_insert_insn_on_edge): Removed.
2913 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2915 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2916 Paolo Bonzini <bonzini@gnu.org>
2919 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2920 (simplify_and_const_int): Same.
2922 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2924 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2926 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2929 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2930 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2931 cgraph_global_info_ready.
2934 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2937 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2938 either decl or init is error_mark_node.
2941 * tree-flow.h (struct omp_region): Add sched_kind.
2942 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2943 instead of extracting omp for data.
2944 (expand_omp_for): Save extracted sched_kind.
2946 2006-04-25 Roger Sayle <roger@eyesopen.com>
2948 * expmed.c (store_bit_field): Also check whether the bitsize is
2949 valid for the machine's "insv" instruction before moving the
2950 target into a pseudo for use with the insv.
2951 * config/i386/predicates.md (const8_operand): New predicate.
2952 * config/i386/i386.md (extv, extzv, insv): Use the new
2953 const8_operand predicate where appropriate.
2955 2006-04-25 DJ Delorie <dj@redhat.com>
2957 * doc/install.texi (Specific): Clarify that this is not a list of
2958 supported hosts or targets.
2960 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2962 PR rtl-optimization/26725
2963 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2964 block's BB_DIRTY flag.
2966 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2968 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2971 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2972 to print an integer.
2974 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2976 * varasm.c (align_variable): New function.
2977 (get_block_for_decl): Apply align_variable to DECL before
2978 calculating section information.
2979 (assemble_variable): Split out alignment computation.
2981 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2983 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2986 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2988 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2989 MODE_PARTIAL_INT mode.
2990 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2991 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2993 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2994 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2996 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2998 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3000 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3001 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3002 MACFLAG_IH): Likewise.
3003 (movstricthi_1): Renamed from "*movstricthi".
3004 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3005 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3006 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3007 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3008 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3009 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3010 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3011 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3012 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3013 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3014 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3015 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3016 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3017 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3018 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3020 * doc/rtl.texi (ss_ashift): Improve wording.
3022 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3024 * dwarf2out.c (verify_marks_clear): New.
3025 (prune_unused_types): Call verify_marks_clear initially, not
3028 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3030 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3031 * doc/rtl.texi: Document them.
3032 * simplify-rtx.c (simplify_unary_operation,
3033 simplify_binary_operation_1): Don't abort when we see them.
3035 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3038 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3039 * configure.ac: Completely disregard languages that are not
3041 * configure: Regenerated.
3043 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3044 Richard Guenther <rguenther@suse.de>
3046 PR tree-optimization/27236
3047 * tree-inline.c (copy_body_r): Make sure to copy
3048 TREE_THIS_VOLATILE flag.
3050 2006-04-24 Richard Guenther <rguenther@suse.de>
3053 * tree-complex.c (update_parameter_components): Don't handle
3054 unused parameters which have no default def.
3056 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3057 Richard Guenther <rguenther@suse.de>
3059 PR tree-optimization/27218
3060 * tree-inline.c (expand_call_inline): Strip useless type
3061 conversions for the return slot address.
3063 2006-04-24 Richard Guenther <rguenther@suse.de>
3065 * cfgloop.h (struct loops): Remove unused field array. Reorder
3067 (LOOP_PREFETCH): Remove.
3069 2006-04-24 Richard Guenther <rguenther@suse.de>
3071 PR tree-optimization/22525
3072 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3073 variable, adjust types of generated expressions.
3075 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3077 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3078 (tree-vect-patterns.o): Likewise.
3080 (cselib.o): Likewise.
3081 (loop-doloop.o): Likewise.
3082 (regclass.o): Likewise.
3083 (reload1.o): Likewise.
3084 (explow.o): Replace target.h with $(TARGET_H).
3085 (ipa-prop.o): Likewise.
3086 (ipa-cp.o): Likewise.
3087 (ipa-inline.o): Likewise.
3088 (reorg.o): Likewise.
3089 (reg-stack.o): Likewise.
3091 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3093 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3095 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3097 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3099 * configure.ac: Completely disregard languages that are not
3101 * configure: Regenerated.
3104 * c-common.h (c_build_bitfield_integer_type): Declare.
3105 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3106 * c-common.c (c_build_bitfield_integer_type): ... here.
3108 2006-04-23 Roger Sayle <roger@eyesopen.com>
3111 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3112 a SImode SUBREG of a floating point register after no_new_pseudos.
3114 2006-04-23 Roger Sayle <roger@eyesopen.com>
3116 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3117 identify potentially eliminable registers to additionally catch
3118 VIRTUAL_INCOMING_ARGS_REGNUM.
3119 (addsi3): Update the conditions on when to use addsi_small_int.
3121 2006-04-23 Roger Sayle <roger@eyesopen.com>
3124 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3125 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3126 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3128 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3130 * fold-const.c (range_predecessor): Use operand_equal_p
3131 as the predicate for equality.
3132 (range_successor): Likewise.
3134 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3137 * config/soft-fp/op-common.h: Fix a typo.
3139 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3142 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3143 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3145 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3147 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3149 * doc/tm.texi: Fix a typo.
3151 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3153 * dwarf2out.c (struct die_struct): Document that die_sib makes
3154 a circular linked list.
3155 (FOR_EACH_CHILD): New.
3156 (reverse_die_lists): Delete.
3157 (reverse_all_dies): Delete.
3158 (add_dwarf_attr): Correct documentation.
3159 (remove_child_with_prev): New.
3160 (remove_child_TAG): Update for change to die_struct, use
3161 remove_child_with_prev.
3162 (add_child_die): Update for change to die_struct.
3163 (splice_child_die): Use remove_child_with_prev and add_child_die.
3164 (print_die): Use FOR_EACH_CHILD.
3165 (die_checksum): Likewise.
3166 (assign_symbol_names): Likewise.
3167 (output_location_lists): Likewise.
3168 (build_abbrev_table): Likewise.
3169 (calc_die_sizes): Likewise.
3170 (mark_dies): Likewise.
3171 (unmark_dies): Likewise.
3172 (unmark_all_dies): Likewise.
3173 (output_die): Likewise.
3174 (prune_unused_types_mark): Likewise.
3175 (prune_unused_types_walk): Likewise.
3176 (same_die_p): Update for change to die_struct.
3177 (break_out_includes): Likewise.
3178 (prune_unused_types_prune): Likewise.
3179 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3180 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3182 (dwarf2out_finish): Don't call reverse_all_dies.
3184 2006-04-21 Eric Christopher <echristo@apple.com>
3186 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3187 in comments and function names.
3189 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3192 * c-typeck.c (digest_init): Robustify.
3194 * c-typeck.c (pop_init_level): Simplify.
3196 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3198 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3200 2006-04-21 Paul Brook <paul@codesourcery.com>
3202 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3203 hardware floating point.
3205 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3207 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3210 2006-04-21 Nick Clifton <nickc@redhat.com>
3212 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3215 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3218 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3219 C++ lang type in traceback table for Objective-C++.
3221 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3223 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3225 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3227 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3230 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3231 were errors. Remove check for erroneous objects.
3233 2006-04-20 Jeff Law <law@redhat.com>
3235 PR tree-optimization/26854
3236 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3237 checking for zero or one use.
3238 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3239 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3240 * tree-ssa-reassoc.c (negate_value): Similarly.
3241 (reassociate_bb): Similarly.
3243 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3245 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3246 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3247 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3249 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3251 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3252 fp regs if the last fp arg doesn't fit in regs.
3254 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3257 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3258 that the last insn has the REG_INC note.
3260 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3261 Nathan Sidwell <nathan@codesourcery.com>
3264 * stor-layout.c (update_alignment_for_field): Do not align
3266 (place_union_field): Place union field at the start of the union.
3267 (place_field): Move ERROR_MARK check later, and use the current
3268 allocation position to maintain monotonicity.
3270 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3272 * dominance.c: Include timevar.h.
3273 (calculate_dominance_info): Use TV_DOMINANCE.
3274 * timevar.def (TV_DOMINANCE): New timevar.
3275 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3277 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3279 PR rtl-optimization/14261
3280 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3281 move would be an INSV insn.
3282 (noce_process_if_block): Don't optimize if the destination is a
3283 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3285 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3287 * config/s390/s390.md: Add comments with the instructions emitted
3288 by an insn pattern if macros are used.
3290 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3292 PR rtl-optimization/26026
3293 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3294 is a known power of two shifted left a variable amount.
3296 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3298 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3299 to hash table twice when the debug_str section has SECTION_MERGE.
3301 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3303 * config/soft-fp: New directory. From glibc.
3304 * config/soft-fp/t-softfp: New.
3305 * config/soft-fp/README: New.
3306 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3307 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3308 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3309 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3310 * config.gcc: Use rs6000/t-fprules-fpbit or
3311 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3313 * config/rs6000/sfp-machine.h: New. Based on glibc.
3314 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3316 * config/rs6000/t-fprules: Remove fp-bit rules.
3317 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3318 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3319 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3320 (softfp_wrap_start, softfp_wrap_end): New.
3322 2006-04-18 DJ Delorie <dj@redhat.com>
3324 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3326 2006-04-18 Devang Patel <dpatel@apple.com>
3328 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3330 2006-04-18 Nick Clifton <nickc@redhat.com>
3332 * config/sh/t-symbian: Add rule to build sh-c.o
3333 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3334 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3335 (sh_symbian_encode_section_info): Likewise.
3337 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3339 * builtins.c (expand_builtin_strcmp): Cover label definition of
3340 do_libcall with HAVE_cmpstrnsi.
3342 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3344 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3346 * function.h (temp_slot_p): New.
3347 (function): Change the type of x_used_temp_slots to
3348 VEC(temp_slot_p,gc) *.
3350 2006-04-18 Nick Clifton <nickc@redhat.com>
3352 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3353 flag_strength_reduce.
3355 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3357 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3361 Partial revert of revision 112637
3362 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3363 Dale Johannesen <dalej@apple.com>
3366 * regclass.c (struct reg_pref): Update documentation.
3367 (regclass): Set prefclass to NO_REGS if memory is the best option.
3368 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3370 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3372 PR tree-optimization/26821
3373 * tree-ssa-math-opts.c (get_constant_one): New.
3374 (insert_reciprocals): Use it.
3376 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3378 * dwarf2out.c (free_AT): Delete.
3379 (remove_AT): Update string ref counts.
3380 (remove_child_TAG): Don't call free_die.
3382 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3383 or DW_TAG_GNU_EINCL.
3384 (prune_unused_types_walk_attribs): Reset string refcounts.
3385 (prune_unused_types_update_strings): New.
3386 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3387 call free_die. Do call prune_unused_types_update_strings.
3388 (prune_unused_types): Empty debug_str_hash.
3390 2006-04-17 Roger Sayle <roger@eyesopen.com>
3392 * expr.c (expand_assignment): Optimize away no-op moves where the
3393 source and destination are equal and have no side-effects.
3395 2006-04-17 Richard Guenther <rguenther@suse.de>
3398 * reload.c (push_reload): Guard calls to get_secondary_mem
3401 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3403 * alias.c (reg_base_value, old_reg_base_value): Change the
3404 type to VEC(rtx,gc) *.
3405 (REG_BASE_VALUE, find_base_value, record_set,
3406 init_alias_analysis): Use VEC instead of VARRAY.
3408 * alias.c (alias_sets): Change the type to
3409 VEC(alias_set_entry,gc) *.
3410 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3411 VEC instead of VARRAY.
3412 (last_alias_set): Remove.
3414 * cgraph.h (cgraph_edge_p): New.
3415 Update the prototype of cgraph_function_versioning.
3416 * cgraphunit.c (cgraph_copy_node_for_versioning,
3417 cgraph_function_versioning): Use VEC instead of VARRAY.
3418 * ipa-cp.c (ipcp_insert_stage): Likewise.
3420 2006-04-16 Roger Sayle <roger@eyesopen.com>
3423 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3424 "A op B" or "A op C", we may need to convert A to the type of B and C.
3426 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3428 * target.h (struct gcc_target): Add mode_rep_extended.
3429 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3430 (init_num_sign_bit_copies_in_rep): Initialize it using
3432 (truncate_to_mode): Use it.
3433 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3434 * targhooks.h (default_mode_rep_extended): Declare it.
3435 * targhooks.c (default_mode_rep_extended): Define it.
3436 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3437 default_mode_rep_extended.
3438 (TARGET_INITIALIZER): Include it.
3439 * doc/tm.texi (Misc): Document it.
3440 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3441 (mips_truncated_to_mode): New function.
3443 2006-04-16 Roger Sayle <roger@eyesopen.com>
3446 * expr.c (compress_float_constant): Copy the narrow constant into
3447 a new pseudo before extending it to its final width.
3449 2006-04-16 Roger Sayle <roger@eyesopen.com>
3450 Andrew Pinski <pinskia@gcc.gnu.org>
3451 Dale Johannesen <dalej@apple.com>
3454 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3455 special case code to implement V8HImode and V16QImode with SSE2.
3457 2006-04-15 Roger Sayle <roger@eyesopen.com>
3459 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3460 trees are constructed with a suitable tree type.
3462 2006-04-15 Roger Sayle <roger@eyesopen.com>
3464 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3465 (integer_onep): Likewise.
3466 (integer_all_onesp): Likewise.
3467 (integer_pow2p): Likewise.
3468 (integer_nonzerop): Likewise.
3469 (real_zerop): Likewise.
3470 (real_onep): Likewise.
3471 (real_twop): Likewise.
3472 (real_minus_onep): Likewise.
3473 (int_size_in_bytes): Likewise.
3474 (host_integerp): Likewise.
3476 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3478 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3479 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3480 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3482 * tree-ssa-structalias.h (alias_info): Remove num_references.
3484 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3486 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3487 (output_bvb patterns): Likewise.
3488 * pa.c (output_bb): Use 'bb' insn for long branch case.
3489 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3490 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3491 1. Correct length operand for alternatives 1 and 2.
3492 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3493 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3495 2006-04-14 Roger Sayle <roger@eyesopen.com>
3497 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3498 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3499 were accidentally reverted by r112959.
3501 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3504 * except.h (eh_region_outermost): New prototype.
3505 * except.c (eh_region_outermost): New function.
3506 * tree-cfg.c (find_outermost_region_in_block): Use it.
3508 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3510 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3512 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3513 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3514 (init_reload, reload): Use VEC instead of VARRAY.
3515 * reload.h: Update the prototype for
3516 reg_equiv_memory_loc_varray.
3518 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3519 Eric Botcazou <ebotcazou@libertysurf.fr>
3521 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3524 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3527 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3528 to expand fallback builtin function call.
3530 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3533 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3534 and emit libcall here in case the builtin fails.
3535 (expand_builtin_strcmp): Always emit the libcall here on failure.
3537 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3539 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3540 * flow.c (reg_n_info): Change the type to
3541 VEC(reg_info_p,heap) *.
3542 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3544 * regs.h (reg_info_p): New.
3545 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3546 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3547 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3550 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3552 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3554 * params.h (MAX_SCHED_READY_INSNS): New macro.
3555 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3556 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3557 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3558 the ready list for 1 cycle during the first scheduling pass.
3559 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3561 2006-04-13 Richard Henderson <rth@redhat.com>
3564 * gimple-low.c (lower_omp_directive): Remove dead code.
3565 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3566 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3567 * omp-low.c (struct omp_region): Move to tree-flow.h.
3568 (root_omp_region): Export.
3569 (omp_regions, lookup_omp_region): Remove.
3570 (determine_parallel_type): Update for struct omp_region changes.
3571 (dump_omp_region): Dump regions with block numbers.
3572 (new_omp_region): Take type and block instead of stmt; malloc
3574 (free_omp_region_1, free_omp_regions): New.
3575 (expand_parallel_call): Take entry_stmt as argument; update for
3576 changes to omp_region.
3577 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3578 (remove_exit_barriers): New.
3579 (expand_omp_parallel): Update for struct omp_region changes.
3580 (expand_omp_synch): Likewise.
3581 (expand_omp): Likewise.
3582 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3583 (expand_omp_for_static_chunk): Likewise.
3584 (expand_omp_for): Likewise.
3585 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3586 (expand_omp_sections): Similarly, with GOMP_sections_end.
3587 (expand_omp_single): New.
3588 (build_omp_regions_1): Update for OMP_CONTINUE.
3589 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3590 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3591 OMP_SECTIONS_SECTIONS.
3592 (lower_omp_single_simple): Don't emit barrier here.
3593 (lower_omp_single_copy): Likewise.
3594 (lower_omp_single): Fix bindings, and lower to straightline now.
3595 (lower_omp_master, lower_omp_ordered): Likewise.
3596 (lower_omp_critical): Likewise.
3597 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3598 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3599 omp edges, free it afterward.
3600 (make_omp_sections_edges): Remove.
3601 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3602 (move_stmt_r): Handle OMP_CONTINUE.
3603 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3604 statement pointers to basic blocks. Add type member.
3605 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3606 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3607 * tree-inline.c (estimate_num_insns_1): Likewise.
3608 * tree-pretty-print.c (dump_generic_node): Likewise.
3609 * tree-ssa-operands.c (get_expr_operands): Likewise.
3610 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3611 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3612 (OMP_CONTINUE): New.
3613 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3614 (OMP_SECTIONS_SECTIONS): Remove.
3615 (OMP_SECTION_LAST): New.
3616 (OMP_RETURN_NOWAIT): New.
3618 2006-04-13 Roger Sayle <roger@eyesopen.com>
3620 * fold-const.c (native_encode_vector, native_interpret_real):
3621 Correct obvious mistakes in the previous check-in.
3623 2006-04-13 Roger Sayle <roger@eyesopen.com>
3625 * fold-const.c (native_encode_expr): New function to encode
3626 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3627 or VECTOR_CST into a specified buffer.
3628 (native_encode_int): New function.
3629 (native_encode_real): New function.
3630 (native_encode_complex): New function.
3631 (native_encode_vector): New function.
3632 (native_interpret_expr): Inverse of native_encode_expr to convert
3633 a target representation into an INTEGER_CST, REAL_CST etc...
3634 (native_interpret_int): New function.
3635 (native_interpret_real): New function.
3636 (native_interpret_complex): New function.
3637 (native_interpret_vector): New function.
3638 (fold_view_convert_expr): New function to constant fold/evaluate
3639 a VIEW_CONVERT_EXPR of a suitable constant expression.
3640 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3641 Change call of build1 to fold_build1 when constructing a
3644 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3645 Ulrich Weigand <uweigand@de.ibm.com>
3648 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3651 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3654 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3655 optimize to lo_sum for DFmode if !TARGET_FPRS.
3657 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3659 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3660 delete_alias_info, compute_flow_sensitive_aliasing,
3661 group_aliases): Use VEC instead of VARRAY.
3662 * tree-ssa-structalias.c (update_alias_info): Likewise.
3663 * tree-ssa-structalias.h (alias_info): Change the type of
3664 processed_ptrs to VEC(tree,heap) *.
3666 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3669 * config/sh/lib1funcs.h: New file, broken out of:
3670 * config/sh/lib1funcs.asm.
3671 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3673 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3674 * config/sh/lib1funcs-Os-4-200.asm: New file.
3675 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3676 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3677 (EXTRA_MULTILIB_PARTS): Include it.
3678 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3679 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3680 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3681 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3684 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3686 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3687 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3688 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3690 * tree-ssa-live.h: Include vecprim.h.
3691 (tree_partition_associator_d): Change the type of
3692 first_partition to VEC(int,heap) *.
3693 (tpa_first_partition): Use VEC instead of VARRAY.
3695 * Makefile.in (GTFILES): Move functions.h after tree.h.
3696 * function.c (reset_block_changes, record_block_change,
3697 check_block_change, free_block_changes): Use VEC instead of
3699 * function.h (function): Change the type of
3700 ib_boundaries_block to VEC(tree,gc) *.
3701 * tree-inline.c (copy_cfg_body): Initialize
3702 ib_boundaries_block to NULL instead of (varray_type) 0.
3704 2006-04-12 Roger Sayle <roger@eyesopen.com>
3706 * expr.c (emit_group_store): Correct operand order in call to
3707 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3708 a SUBREG_BYTE of zero.
3710 2006-04-12 Richard Guenther <rguenther@suse.de>
3712 * profile.c (compute_branch_probabilities): Remove code
3713 encapsulated in !ir_type (), which are remanents of the
3714 removed RTL profiling code.
3715 * rtl-profile.c: Remove.
3717 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3719 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3720 magic NULL_RTX comment.
3721 (function_arg): Store entire fp arg to mem if any part should go
3723 (rs6000_arg_partial_bytes): Adjust for above change.
3725 2006-04-11 Roger Sayle <roger@eyesopen.com>
3727 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3728 if it hasn't been initialized by dwarf2out_init.
3730 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3732 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3733 symbolic constants in branch patterns.
3735 2006-04-11 Roger Sayle <roger@eyesopen.com>
3737 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3739 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3741 PR rtl-optimization/27073
3742 * gcse.c (try_replace_reg): Revert last change. Continue to search
3743 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3746 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3748 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3749 aggregate types other than record and union types.
3750 (function_arg): Likewise.
3751 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3753 (function_value): In 64-bit mode, return objects that require it
3756 2006-04-11 Roger Sayle <roger@eyesopen.com>
3758 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3760 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3762 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3764 2006-04-03 Jeff Law <law@redhat.com>
3767 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3768 alias information too.
3770 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3772 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3774 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3777 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3778 (premark_used_types_helper): New.
3779 (premark_used_types): New.
3780 (gen_subprogram_die): Call premark_used_types.
3781 (prune_unused_types_walk): Do not prune perennial dies.
3782 * function.c (used_types_insert): New.
3783 * function.h (struct function): Add used_types_hash field.
3784 (used_types_insert): Add prototype.
3785 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3786 * c-parser.c (c_parser_cast_expression): Save casted types in used
3789 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3792 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3793 rs6000_explicit_options.float_gprs.
3795 2006-04-10 Roger Sayle <roger@eyesopen.com>
3797 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3798 from ix86_expand_vector_init_low_nonzero. Take an additional
3799 one_var argument indicating which element is non-zero. Support
3800 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3801 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3802 with one_var instead of ix86_expand_vector_init_low_nonzero.
3804 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3806 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3807 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3808 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3809 build/genextract.o): Depend on vecprim.h.
3810 * cfglayout.c, df-problems.c, function.c, genextract.c,
3811 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3812 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3816 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3818 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3819 Declare VECs of this type.
3820 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3821 (remove_children): Delete.
3822 (add_dwarf_attr): Use VEC routines.
3823 (add_AT_flag): Update for changes to add_dwarf_attr.
3824 (add_AT_int): Likewise.
3825 (add_AT_unsigned): Likewise.
3826 (add_AT_long_long): Likewise.
3827 (add_AT_vec): Likewise.
3828 (add_AT_string): Likewise.
3829 (add_AT_die_ref): Likewise.
3830 (add_AT_fde_ref): Likewise.
3831 (add_AT_loc): Likewise.
3832 (add_AT_loc_list): Likewise.
3833 (add_AT_addr): Likewise.
3834 (add_AT_lbl_id): Likewise.
3835 (add_AT_lineptr): Likewise.
3836 (add_AT_macptr): Likewise.
3837 (add_AT_offset): Likewise.
3838 (add_AT_range_list): Likewise.
3839 (get_AT): Use VEC_iterate.
3840 (remove_AT): Use VEC_ordered_remove.
3841 (free_die): Fold remove_children into here; have it use VEC_iterate.
3842 (print_die): Use VEC_iterate on attrs.
3843 (reverse_die_lists): Don't reverse attr lists.
3844 (die_checksum): Use VEC_iterate on attrs.
3845 (same_die_p): Likewise.
3846 (output_location_lists): Likewise.
3847 (build_abbrev_table): Likewise.
3848 (size_of_die): Likewise.
3849 (unmark_all_dies): Likewise.
3850 (output_abbrev_section): Likewise.
3851 (output_die): Likewise.
3852 (prune_unused_types_walk_attribs): Likewise.
3854 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3856 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3858 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3861 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3863 2006-04-09 Roger Sayle <roger@eyesopen.com>
3865 * expr.c (store_constructor): Don't bother clearing target if
3866 we're about to assign a vector to it using vec_init_optab.
3868 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3870 * tree-ssa-alias.c (lhs_may_store_to): New function.
3871 (recalculate_used_alone): Handle LHS of calls.
3873 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3877 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3878 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3879 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3880 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3881 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3882 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3883 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3884 stubs. Add ".align 8" directives before all ".dword" directives.
3885 (GTHREAD_USE_WEAK): Revise comment.
3886 (TARGET_ATTRIBUTE_WEAK): Define.
3887 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3888 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3889 * stublib.c: New file.
3894 * pa.md (cbranch patterns): Revise arguments used in calls to
3895 output_cbranch, output_bb and output_bvd. Add long branch length
3897 (fbranch patterns): Handle long branches.
3898 (jump): Revise length check. Revise arguments for output_lbranch call.
3899 Add long branch length attributes.
3900 (decrement_and_branch_until_zero): Add long branch length attributes.
3901 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3902 Likewise. Revise arguments for output_parallel_addb and
3903 output_parallel_movb calls.
3904 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3905 output_parallel_movb and output_parallel_addb): Update prototypes.
3906 * pa.c (output_cbranch): Revise arguments. Correct handling of
3907 nullification in long branches.
3908 (output_lbranch): Add new argument to control extraction of delay
3910 (output_bb): Handle long branches.
3911 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3912 output_parallel_addb): Likewise.
3914 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3916 PR rtl-optimization/27073
3917 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3920 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3922 * tree.h (tree_memory_tag): Add old_used_alone.
3923 (SMT_OLD_USED_ALONE): New macro.
3924 * tree-ssa-alias.c (recalculate_used_alone): Stop
3925 marking things for renaming unnecessarily.
3927 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3929 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3930 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3931 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3932 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3933 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3934 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3935 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3936 spelling convensions.
3937 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3938 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3939 typos. Follow spelling conventions.
3941 2006-04-07 DJ Delorie <dj@redhat.com>
3943 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3944 passed on the stack.
3945 (m32c_init_cumulative_args): When a function returns a structure,
3946 always pass the pointer to that return area on the stack.
3947 (m32c_function_arg_advance): Don't increment the parameter number
3948 if we're processing the returned structure pointer.
3949 (pushm_info): Reverse order of registers.
3951 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3953 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3954 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3955 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3956 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3958 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3959 chrec_fold_multiply): Same.
3960 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3961 force_expr_to_var_cost): Same.
3962 * tree-mudflap.c (mf_xform_derefs_1): Same.
3963 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3965 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3967 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3968 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3971 2006-04-07 Jan Hubicka <jh@suse.cz>
3973 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3975 2006-04-07 Richard Guenther <rguenther@suse.de>
3977 PR tree-optimization/26135
3978 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3979 loads for store copy-prop.
3980 (copy_prop_visit_stmt): Likewise.
3982 2006-04-05 Robert Millan <robertmh@gnu.org>
3984 * config/i386/linux.h: Add a comment to mark macros that are
3985 being overriden in config/k*bsd-gnu.h.
3986 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3988 * config/knetbsd-gnu.h: Ditto.
3990 2006-04-06 Jan Hubicka <jh@suse.cz>
3994 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3997 2006-04-06 Mike Stump <mrs@apple.com>
3999 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4000 for HAVE_nonlocal_goto to be consistent.
4001 (expand_builtin_nonlocal_goto): Likewise.
4002 (expand_builtin_strcmp): Use #ifdef instead of #if
4003 for HAVE_cmpstrnsi to be consistent.
4005 2006-04-05 DJ Delorie <dj@redhat.com>
4007 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4010 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4012 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4013 got-relative addressing for anything but SImode.
4015 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4016 even if the calling function doesn't modify them.
4018 2006-04-05 Richard Guenther <rguenther@suse.de>
4020 PR tree-optimization/26919
4021 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4022 to cgraph_estimate_size_after_inlining.
4024 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4026 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4028 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4030 PR tree-optimization/26996
4031 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4032 VECTOR_TYPE variables.
4034 2006-04-05 Richard Guenther <rguenther@suse.de>
4036 PR tree-optimization/26763
4037 * fold-const.c (fold_comparison): Move folding of
4038 PTR + CST CMP PTR + CST ...
4039 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4041 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4043 * doc/install.texi (Prerequisites): Refine some wording on
4044 bootstrapping and ksh.
4045 Move the version numbers of DejaGnu here from the testing section
4046 and fix casing of names.
4047 Fix markup and clarify wording for autogen requirements.
4048 Refer to GCJ instead of just java.
4049 Refer to SVN instead of CVS.
4050 Describe diffutils as useful instead of necessary.
4051 (Downloading the source): Refer to SVN instead of CVS.
4052 Adjust a link to our web site accordingly.
4053 (Configuration): Fix casing of Bison.
4054 (Building): Refer to SVN instead of CVS.
4055 Fix a sentence on the use of Bison and remove duplicate (and
4056 incorrect) version number of Bison requirement.
4057 Remove one redundant list of packages needed for building.
4058 (Specific): Avoid reference to CVS.
4060 2006-04-04 Eric Christopher <echristo@apple.com>
4062 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4063 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4064 (rs6000_handle_struct_attribute): New.
4065 (rs6000_ms_bitfield_layout_p): Ditto.
4067 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4069 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4070 NULL for dso parameter to atexit_common.
4072 2006-04-04 Eric Christopher <echristo@apple.com>
4074 * config/i386/i386.c (machopic_output_stub): Output \t
4075 between instructions and operands.
4077 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4079 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4080 satisfies_constraint_[IL] to explicit tests on value.
4082 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4084 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4085 set_nb_iterations_in_loop): Use build_int_cst instead of
4087 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4088 build_int_cst instead of convert.
4090 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4092 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4093 new value 2 for incoming.
4094 * function.c (expand_function_start): Call struct_value_rtx
4096 * config/sparc/sparc.md: Comment updated_return.
4097 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4098 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4099 struct return if sparc_std_struct_return and incoming is 2.
4100 (print_operand): Do not adjust return if
4101 sparc_std_struct_return.
4103 2006-04-04 Roger Sayle <roger@eyesopen.com>
4105 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4106 convert in the middle-end.
4107 * expr.c (store_expr, store_constructor, get_inner_reference,
4108 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4110 * tree.c (build_range_type): Likewise.
4112 2006-04-04 Tom Tromey <tromey@redhat.com>
4114 * doc/install.texi (Prerequisites): Mention jar.
4116 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4118 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4121 2006-04-04 Matthias Klose <doko@debian.org>
4123 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4124 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4127 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4129 * doc/extend.texi (Function Attributes): Rewrite visibility
4130 attribute documentation.
4131 * doc/invoke.texi (C++ Dialect Options): Rewrite
4132 -fvisibility-inlines-hidden documentation to describe something
4133 entirely different, although in practise compatible.
4134 (Code Gen Options): Warn about system headers in -fvisibility=
4137 * doc/extend.texi (Other Builtins): Document that
4138 __builtin_nan is a compile-time constant only when its argument
4141 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4143 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4144 trying to remove TRUNCATE check if all bits outside the new mode
4145 are identical to the sign bit.
4147 2006-04-03 Jeff Law <law@redhat.com>
4149 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4150 and operand scanning in some common cases.
4152 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4153 Dale Johannesen <dalej@apple.com>
4156 * regclass.c (struct reg_pref): Update documentation.
4157 (regclass): Set prefclass to NO_REGS if memory is the best option.
4158 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4159 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4160 into account. For non-registers, equate an empty preferred
4161 reload class to a `!' in the constraint; move the if clause to
4162 do so after those that reject the insn.
4163 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4165 (find_dummy_reload): Likewise.
4166 * doc/tm.texi (Register Classes): Document what it means
4167 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4168 * config/i386/i386.c (ix86_preferred_reload_class): Force
4169 using SSE registers (and return NO_REGS for floating-point
4170 constants) if math is done with SSE.
4171 (ix86_preferred_output_reload_class): New.
4172 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4173 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4174 * config/i386/i386.md: Remove # register preferences.
4176 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4179 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4180 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4181 the type of nb_iter.
4182 (instantiate_parameters_1): Convert the operands before calling
4183 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4184 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4186 2006-04-02 Roger Sayle <roger@eyesopen.com>
4188 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4189 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4191 * dojump.c (do_jump): Likewise.
4192 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4193 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4194 gimplify_boolean_expr): Likewise.
4195 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4196 * varasm.c (array_size_for_constructor): Likewise.
4197 * tree-object-size.c (compute_object_offset): Likewise.
4199 2006-04-02 Roger Sayle <roger@eyesopen.com>
4202 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4203 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4205 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4207 PR tree-optimization/26939
4208 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4210 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4212 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4213 at_stmt. Convert the type of operands before calling
4214 build_polynomial_chrec.
4215 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4217 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4218 (instantiate_parameters_1): Convert the type of operands before calling
4219 build_polynomial_chrec.
4220 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4221 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4222 reset_evolution_in_loop): Insert asserts to check the types of the
4224 (chrec_type): Moved...
4225 (eq_evolutions_p): Use operand_equal_p.
4226 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4227 the types of the operands.
4228 (chrec_type): ...here.
4229 * tree-data-ref.c (create_data_ref): Convert the operands before
4230 calling chrec_replace_initial_condition.
4231 (same_access_functions, analyze_subscript_affine_affine,
4232 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4233 (compute_subscript_distance, analyze_ziv_subscript,
4234 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4235 analyze_miv_subscript): Convert the operands before calling
4236 chrec_fold_minus or chrec_fold_plus.
4238 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4240 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4241 the dependence_relations vector.
4242 (compute_data_dependences_for_loop): Adjust call to
4243 compute_all_dependences.
4245 2006-04-01 Roger Sayle <roger@eyesopen.com>
4246 Richard Henderson <rth@redhat.com>
4248 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4249 gimple_boolify on the condition before calling gimplify_expr.
4251 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4253 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4254 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4255 the frame size. Update to use the new macros.
4256 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4257 * config/xtensa/ieee754-df.S: Likewise.
4259 2006-03-31 Richard Henderson <rth@redhat.com>
4261 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4262 (make_edges): ... here. Control fallthru creation with a local
4263 variable. Do not play with fake edges.
4264 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4265 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4268 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4270 * dwarf2.h (DW64_CIE_ID): Define.
4271 * dwarf2out.c (DWARF_CIE_ID): Define.
4272 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4273 length header. Use DWARF_CIE_ID.
4274 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4275 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4277 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4279 * config/sh/linux-atomic.asm: New file.
4280 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4282 2006-03-31 DJ Delorie <dj@redhat.com>
4284 * config/m32c/cond.md: Set condition flags properly throughout.
4285 * config/m32c/minmax.md: Likewise.
4286 * config/m32c/prologue.md: Likewise.
4287 * config/m32c/bitops.md: Likewise.
4288 * config/m32c/muldiv.md: Likewise.
4289 * config/m32c/mov.md: Likewise.
4290 * config/m32c/addsub.md: Likewise.
4291 * config/m32c/m32c.md: Likewise.
4292 * config/m32c/jump.md: Likewise.
4293 * config/m32c/shift.md: Likewise.
4295 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4296 conditionally output the pattern for this.
4297 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4298 (m32c_compare_redundant): New.
4299 (m32c_output_compare): New.
4300 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4302 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4303 dest, not src. Allow other 4-byte modes.
4305 2006-03-30 Denis Chertykov <denisc@overta.ru>
4307 * doc/md.texi: Refer to avr/constraints.md instead of
4310 2006-03-30 Roger Sayle <roger@eyesopen.com>
4312 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4313 signed vs. unsigned comparison failures on some hosts.
4315 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4318 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4319 change to FLOAT_REGS.
4321 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4322 (rs6000_override_options): Use it.
4323 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4324 only for -mabi=spe/no-spe and -mabi=altivec.
4326 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4328 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4331 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4333 * Makefile.in: Rename docdir to gcc_docdir.
4335 2006-03-30 Roger Sayle <roger@eyesopen.com>
4338 * expr.c (emit_group_store): Optimize group stores into a pseudo
4339 register by using a paradoxical subreg to initialize the destination
4340 if the first or last member of the group specifies a "low part".
4342 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4345 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4346 * target.h (struct gcc_target.speculate_insn): Change type of the
4347 second parameter to 'int'.
4348 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4349 the second operand of the DEPS_LIST.
4350 (copy_DEPS_LIST_list): Update reference to the second operand of the
4352 * rtl.h (alloc_DEPS_LIST): Update signature.
4353 * sched-int.h (ds_t): Change typedef to 'int'.
4354 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4356 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4358 * haifa-sched.c (try_ready): Change condition to restore
4359 non-speculative pattern of the instruction.
4360 (process_insn_depend_be_in_spec): Code to keep probability of the
4361 speculative dependence non-decreasing.
4363 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4365 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4366 (single_move_for_movmem): ... this. Also change all uses.
4367 (bfin_expand_strmov): Renamed to...
4368 (bfin_expand_movmem): ... this. Also change all uses.
4369 * config/bfin/bfin.md (movstrsi): Renamed to...
4370 (movstrsi): ...this.
4372 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4374 PR tree-optimization/26830
4376 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4377 (copy_prop_visit_stmt): Remove write-only variable ann.
4378 (init_copy_prop): Check variable loop depth here. Do not simulate
4379 memory-tag and virtual operand PHIs except for store copy prop.
4381 2006-03-30 Richard Guenther <rguenther@suse.de>
4383 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4384 variants with double arguments.
4386 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4388 * genpreds.c (write_tm_constrs_h): Delete variable p.
4389 * genconditions.c (write_header): Add tm-constrs.h to included
4391 * genpeep.c (main): Add toplev.h to included headers.
4392 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4393 (build/genpeep.o): Add toplev.h dependency.
4394 * config/rs6000/constraints.md: Add "W" constraint.
4396 2006-03-29 Roger Sayle <roger@eyesopen.com>
4398 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4399 sizes by correctly testing whether the size fits a host integer.
4400 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4401 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4402 SImode range for the default sizetype and bitsizetype.
4404 2006-03-29 Roger Sayle <roger@eyesopen.com>
4406 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4407 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4408 quickly if the argument is already of the correct type.
4409 Call fold_build1 instead of build1. Tidy up blank lines.
4411 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4413 * genemit.c (main): Add tm-constrs.h to included headers.
4414 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4415 * genpeep.c (main): Add tm-constrs.h to included headers.
4416 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4417 (write_tm_constrs_h): this and write complete file.
4418 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4419 (write_insn_preds_c): Add tm-constrs.h to included headers.
4420 (gen_constrs): New variable.
4421 (parse_option): Parse "-c".
4422 (main): Invoke write_tm_constrs_h.
4423 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4424 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4425 (object_out_file): Add tm-constrs.h dependency.
4426 (insn-emit.o): Same.
4427 (insn-output.o): Same.
4428 (insn-peep.o): Same.
4429 (insn-preds.o): Same.
4430 (insn-recog.o): Same.
4431 (tm-constsr.h): New target.
4432 (s-constrs-h): New target.
4434 * config/rs6000/constraints.md: New file.
4435 * config/rs6000/rs6000.c: Include tm-constrs.h.
4436 (num_insn_constant_wide): Convert to satisfies_constraint.
4437 (rs6000_rtx_costs): Convert to satisfies_constraint.
4438 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4439 (CONST_OK_FOR_LETTER_P): Delete.
4440 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4441 (EXTRA_CONSTRAINT): Delete.
4442 (EXTRA_MEMORY_CONSTRAINT): Delete.
4443 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4444 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4445 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4446 satisfies_constraint.
4448 * config/i386/i386.c: Include tm-constrs.h.
4450 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4452 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4453 * tree-data-ref.c (find_data_references_in_loop,
4454 compute_data_dependences_for_loop): Use pointers to VEC.
4455 (analyze_all_data_dependences): Adjust calls.
4456 * tree-data-ref.h (find_data_references_in_loop,
4457 compute_data_dependences_for_loop): Adjust declarations.
4458 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4459 compute_data_dependences_for_loop.
4461 2006-03-29 Paul Brook <paul@codesourcery.com>
4463 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4466 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4468 PR tree-optimization/26859
4469 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4471 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4472 for the step after fold_convert.
4474 2006-03-29 Paul Brook <paul@codesourcery.com>
4476 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4477 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4479 2006-03-29 Paul Brook <paul@codesourcery.com>
4482 * targhooks.c (default_narrow_bitfield): New fuction.
4483 * targhooks.h (default_narrow_bitfield): add prototype.
4484 * target.h (gcc_target): Add narrow_volatile_bitfield.
4485 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4486 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4487 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4488 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4490 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4492 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4494 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4495 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4496 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4497 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4498 (s390_function_arg_float): Allow SDmode and DDmode values to be
4499 passed in floating point registers.
4500 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4501 check with SCALAR_FLOAT_MODE_P.
4502 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4504 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4506 PR tree-optimization/25985
4507 * tree-ssa-loop-niter.c (number_of_iterations_le,
4508 number_of_iterations_ne): Make comments more precise.
4509 (number_of_iterations_cond): Add only_exit argument. Use the
4510 fact that signed variables do not overflow only when only_exit
4512 (loop_only_exit_p): New.
4513 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4514 number_of_iterations_cond.
4516 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4518 PR tree-optimization/26643
4519 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4522 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4524 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4525 (divsi3_i4_int): Likewise.
4527 2006-03-28 Roger Sayle <roger@eyesopen.com>
4529 * expr.c (emit_group_store): Only create a new pseudo reg if the
4530 quantity it needs to hold isn't already a suitable pseudo.
4532 2006-03-28 Jeff Law <law@redhat.com>
4534 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4535 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4537 2006-03-28 Roger Sayle <roger@eyesopen.com>
4539 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4540 the equivalent ~X & Y, and the symmetry related transformations.
4541 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4542 ~X & Y, and symmetry related transforms.
4544 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4546 Revert my 2006-03-27 patches.
4548 2006-03-28 Roger Sayle <roger@eyesopen.com>
4550 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4551 ~(T1)X, when T1 and T2 are integer types of the same precision
4552 and (T2)X isn't an extension.
4554 2006-03-28 Jeff Law <law@redhat.com>
4556 PR tree-optimization/26796
4557 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4558 need EH edge cleanups rather than purging them immediately.
4559 (eliminate_degenerate_phis): Handle queued EH cleanups.
4561 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4563 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4566 2006-03-27 Roger Sayle <roger@eyesopen.com>
4569 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4570 cast BIT_NOT_EXPR operand to the correct type.
4572 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4574 * tree-loop-linear.c: Don't include varray.h.
4575 (gather_interchange_stats, try_interchange_loops,
4576 linear_transform_loops): Use VEC instead of VARRAY.
4577 * lambda-mat.c: Don't include varray.h.
4578 * tree-chrec.c: Same.
4579 * lambda-trans.c: Same.
4580 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4581 VEC instead of VARRAY.
4582 * tree-vectorizer.h: Idem.
4583 * tree-data-ref.c (dump_data_references,
4584 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4585 initialize_data_dependence_relation, finalize_ddr_dependent,
4586 compute_all_dependences, find_data_references_in_loop,
4587 compute_data_dependences_for_loop, analyze_all_data_dependences,
4588 free_dependence_relation, free_dependence_relations,
4589 free_data_refs): Idem.
4590 * tree-data-ref.h (data_reference_p, subscript_p): New.
4591 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4592 VEC instead of VARRAY.
4593 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4594 (find_data_references_in_loop, compute_data_dependences_for_loop,
4595 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4596 dump_data_dependence_relations, free_dependence_relations,
4597 free_data_refs): Adjust declaration.
4598 (lambda_transform_legal_p): Move declaration here...
4599 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4600 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4601 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4602 vect_analyze_data_refs): Use VEC instead of VARRAY.
4603 * lambda.h (lambda_transform_legal_p): ...from here.
4604 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4605 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4606 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4607 tree-chrec.o): Don't depend on VARRAY_H.
4609 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4611 * rtl.def (Copyright): Update date.
4612 (DEPS_LIST): Change type of the second operand to 'int'.
4613 * target.h (Copyright): Update date.
4614 (struct gcc_target.speculate_insn): Change type of the second parameter
4616 * lists.c (Copyright): Update date.
4617 (alloc_DEPS_LIST): Change signature. Update reference to the second
4618 operand of the DEPS_LIST.
4619 (copy_DEPS_LIST_list): Update reference to the second operand of the
4621 * rtl.h (Copyright): Update date.
4622 (alloc_DEPS_LIST): Update signature.
4623 * sched-int.h (Copyright): Update date.
4624 (ds_t): Change typedef to 'int'.
4625 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4627 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4629 * haifa-sched.c (Copyright): Update date.
4630 (try_ready): Change condition to restore non-speculative pattern
4632 (process_insn_depend_be_in_spec): Code to keep probability of the
4633 speculative dependence non-decreasing.
4635 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4637 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4638 shut up the compiler.
4640 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4642 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4643 to use lib prefix for target.
4644 ($(T)libic_invalidate_array_4-200.a): Likewise.
4645 ($(T)libic_invalidate_array_4a.a): Likewise.
4647 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4648 J"orn Rennecke <joern.rennecke@st.com>
4650 * superh.opt: New file.
4651 * sh.c (boardtype, osruntime): Remove.
4652 * superh.h (SUBTARGET_OPTIONS): Remove.
4653 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4655 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4656 arguments with ^ and/or [].
4658 * config.gcc (sh-*-*): Add quoting to account for quirk of
4660 Replace == with = in enable_incomplete_targets test.
4662 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4663 with MASK_LITTLE_ENDIAN.
4665 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4666 * config/sh/sh.opt: Added to some comments.
4667 * config/sh/superh.h: Removed some chaff.
4669 * config/sh/sh.opt: Add m4-[1234]00* options.
4670 * config/sh/sh.c (sh_handle_option): Likewise.
4671 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4672 (ic_invalidate_array_4-100.o): New rule.
4673 ($(T)libic_invalidate_array_4-100.a): Likewise.
4674 (ic_invalidate_array_4-200.o): Likewise.
4675 ($(T)libic_invalidate_array_4-200.a): Likewise.
4676 (ic_invalidate_array_4a.o): Likewise.
4677 ($(T)libic_invalidate_array_4a.a): Likewise.
4678 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4679 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4681 * config/sh/crt1.asm: Merged in profiling code.
4682 * config/sh/superh.h (STARTFILE_SPEC): Override.
4683 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4684 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4685 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4687 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4688 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4689 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4691 * sh.opt (mpretend-cmove): New option.
4692 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4693 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4694 (movsicc): Add TARGET_PRETEND_CMOVE code.
4696 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4698 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4699 s390_class_max_nregs): New function prototypes.
4700 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4701 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4702 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4703 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4705 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4707 * dwarf2out.c (add_location_or_const_value_attribute): Call
4708 tree_add_const_value_attribute if nothing else works.
4709 (reference_to_unused): New.
4710 (rtl_for_decl_init): Use reference_to_unused to decide whether
4711 to output an initializer.
4713 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4716 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4717 peephole removing spe frob_di_df_2.
4719 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4721 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4722 (subscript_dependence_tester_1): Declared.
4723 (print_dir_vectors, print_dist_vectors): New.
4724 (debug_data_dependence_relation): New.
4725 (dump_data_dependence_relation): Print more details.
4726 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4727 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4728 (save_dist_v, save_dir_v, add_outer_distances,
4729 build_classic_dist_vector_1): New.
4730 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4731 Don't test for lambda_vector_lexico_pos.
4732 (same_access_functions, add_multivariate_self_dist,
4733 add_other_self_distances, dir_from_dist): New.
4734 (build_classic_dir_vector): Replace implementation almost identical to
4735 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4737 (subscript_dependence_tester_1): New.
4738 (subscript_dependence_tester): Handle the lexicographically negative
4739 distance vectors by recomputing the dependence relation.
4740 (compute_affine_dependence): Remove parameter loop_nest_depth.
4741 (compute_self_dependence): Don't call compute_subscript_distance.
4742 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4743 Add a parameter for the loop_nest.
4744 (find_loop_nest_1, find_loop_nest): New.
4745 (compute_data_dependences_for_loop): Compute the loop nest, and give
4746 up if the nest is not well formed.
4747 * tree-data-ref.h (loop_p): New.
4748 (struct data_dependence_relation): Replace size_vect field with
4749 loop_nest, a vec of loops.
4750 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4751 (DDR_LOOP_NEST): New.
4752 (print_dir_vectors, print_dist_vectors,
4753 debug_data_dependence_relation): Declared.
4754 (index_in_loop_nest): New.
4755 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4756 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4759 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4761 * simplify-rtx.c (simplify_relational_operation): Call
4762 simplify_relational_operation_1 even if mode is VOIDmode.
4764 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4766 PR tree-optimization/26804
4767 * tree.h (DECL_CALL_CLOBBERED): New macro.
4768 (tree_decl_common): Add call_clobbered_flag.
4769 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4770 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4771 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4772 (mark_non_addressable): Ditto.
4773 * tree-ssa.c (verify_call_clobbered): New function.
4774 (verify_alias_info): Use it.
4775 * tree-pass.h (pass_reset_cc_flags): New prototype.
4776 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4777 (reset_cc_flags): New function.
4778 * passes.c (init_optimization_passes): Call reset_cc_flags after
4779 initializing referenced_vars.
4781 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4782 Roger Sayle <roger@eyesopen.com>
4785 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4786 to 1.0 for non-real operands. Implement A / A optimization for
4789 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4791 * config/i386/i386.c (size_cost): Correct the comment for
4792 cost of storing fp registers.
4793 (i386_cost): Likewise.
4794 (i486_cost): Likewise.
4795 (pentium_cost): Likewise.
4796 (pentiumpro_cost): Likewise.
4797 (k6_cost): Likewise.
4798 (athlon_cost): Likewise.
4799 (k8_cost): Likewise.
4800 (pentium4_cost): Likewise.
4801 (nocona_cost): Likewise.
4802 (generic64_cost): Likewise.
4803 (generic32_cost): Likewise.
4805 2006-03-24 Denis Chertykov <denisc@overta.ru>
4807 * config/avr/avr-protos.h (extra_constraint): Delete.
4808 (extra_constraint_Q): New declaration.
4809 * config/avr/constraints.md: New file.
4810 * config/avr/avr.md: Include it.
4811 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4812 (TMP_REGNO, ZERO_REGNO): Likewise.
4813 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4814 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4815 (extra_constraint): Delete.
4816 (extra_constraint_Q): Test for memory constraint 'Q'.
4817 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4818 (REG_CLASS_FROM_LETTER): Delete.
4819 (CONST_OK_FOR_LETTER_P): Delete.
4820 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4821 (EXTRA_CONSTRAINT): Delete.
4822 (TMP_REGNO): Delete.
4823 (ZERO_REGNO): Delete.
4825 2006-03-24 Jeff Law <law@redhat.com>
4827 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4828 directly. Call mark_new_vars_to_rename slightly earlier.
4830 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4832 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4834 (gen_compile_unit_die): Use new language types for Objective-C and
4836 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4837 DW_LANG_C_plus_plus.
4840 * config/t-darwin (crt3.o): Work around bug 26840.
4841 * config/darwin-crt3.c: Rewrite.
4842 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4844 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4846 * doc/invoke.texi: Document -femit-class-debug-always
4847 * common.opt: Add -femit-class-debug-always.
4849 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4851 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4852 index and base register.
4853 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4854 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4855 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4856 REGNO_OK_FOR_INDEX_P.
4857 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4859 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4860 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4861 REG_OK_FOR_BASE_P): Definitions removed.
4863 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4866 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4867 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4868 set yet or weren't marked as local yet.
4870 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4872 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4875 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4877 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4878 (rs6000_legitimate_small_data_p): Delete.
4879 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4880 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4881 and make static. Add forward declaration. Update uses.
4882 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4883 of offsettable_memref_p.
4884 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4885 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4887 2006-03-24 Jeff Law <law@redhat.com>
4889 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4890 around bug in immediate-use iterator.
4892 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4895 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4896 or __LITTLE_ENDIAN__.
4898 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4900 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4901 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4902 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4903 * config/sh/sh.opt (mdiv=): Amend description.
4904 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4905 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4906 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4907 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4908 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4909 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4910 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4911 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4912 TARGET_DIVIDE_CALL_FP.
4914 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4916 * haifa-sched.c (choose_ready): Fix type of the local variable.
4917 Move local variables. Add comment.
4918 (check_reg_live): Change signature. Make callable from debugger.
4919 * sched-int.h (check_reg_live): Update signature.
4920 * sched-ebb.c (check_reg_live): Update parameters.
4921 * sched-rgn.c (check_reg_live): Ditto.
4922 (region_head_or_leaf_p): Check pointer before dereferencing.
4923 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4924 before reload on optimization levels below 1.
4926 2006-03-23 Richard Henderson <rth@redhat.com>
4928 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4932 * config/alpha/predicates.md (local_symbolic_operand): Reject
4935 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4938 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4939 expressions which have overflowed constants.
4941 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4943 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4945 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4947 * cfgloopmanip.c (create_loop_notes): Removed.
4948 * final.c (final_scan_insn): Do not handle loop notes.
4949 * jump.c (squeeze_notes): Ditto.
4950 * cfglayout.c (skip_insns_after_block,
4951 duplicate_insn_chain): Ditto.
4952 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4954 * cfgloop.h (create_loop_notes): Declaration removed.
4956 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4958 * varasm.c (output_constant_pool): Restore fnname and fndecl
4960 (assemble_start_function): Adjust call accordingly.
4961 (assemble_end_function): Likewise.
4963 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4966 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4969 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4971 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4974 * system.h (ICE_EXIT_CODE): New macro.
4975 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4976 (diagnostic_action_after_output): Likewise.
4977 * gcc.c (fatal_ice): New function.
4978 (execute): Use it instead of fatal.
4979 (fancy_abort): Likewise.
4980 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4982 2006-03-22 Jeff Law <law@redhat.com>
4984 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4985 iv_analyze_result returning false.
4987 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4989 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4991 2006-03-22 Richard Henderson <rth@redhat.com>
4994 * except.c (duplicate_eh_regions_0): New.
4995 (duplicate_eh_region_1): Duplicate the children of the node as
4996 well as the node itself. Link them up properly.
4997 (duplicate_eh_region_2): Merge into ...
4998 (duplicate_eh_regions): ... here. Take copy_region argument, and
4999 copy only a sub-tree if asked. Simplify copying and fixup.
5000 (eh_region_outer_p): New.
5001 * except.h (duplicate_eh_regions): Update decl.
5002 (eh_region_outer_p): Declare.
5003 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5004 (lower_omp_master): Likewise.
5005 (lower_omp_ordered): Likewise.
5006 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5007 (move_stmt_r): Use it to remap labels. Handle recursion vs
5008 remap_decls_p properly.
5009 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5010 (find_outermost_region_in_block): New.
5011 (new_label_mapper): New.
5012 (move_sese_region_to_fn): Copy eh information to the new function
5014 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5016 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5019 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5021 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5022 into shared libraries.
5024 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5026 * doc/md.texi: Refer to i386/constraints.md instead of
5028 * config/i386/constraints.md: New file, extracted from...
5029 * config/i386/predicates.md: ...here.
5030 * config/i386/i386.md: Include constraints.md.
5032 2006-03-21 Jason Merrill <jason@redhat.com>
5034 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5037 * expr.c (init_block_move_fn): Force default visibility.
5038 (init_block_clear_fn): Likewise.
5039 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5040 * targhooks.c (default_external_stack_protect_fail): Likewise.
5042 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5044 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5045 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5046 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5047 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5048 (loadgp): Use mips_current_loadgp_style.
5049 (loadgp_noshared): New pattern.
5050 (sibcall_internal): Use MIPS_CALL.
5051 (sibcall_value_internal): Likewise.
5052 (sibcall_value_multiple_internal): Likewise.
5053 (call_internal): Likewise.
5054 (call_value_internal): Likewise.
5055 (call_value_multiple_internal): Likewise.
5056 (call_split): Use MIPS_CALL and add an 'S' constraint.
5057 (call_value_split): Likewise.
5058 (call_value_multiple_split): Likewise.
5059 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5060 (-mshared): New option.
5061 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5062 (mips_current_loadgp_style): Declare.
5063 * config/mips/mips.c (mips_classify_symbol): Avoid using
5064 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5065 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5066 TARGET_ABSOLUTE_ABICALLS.
5067 (override_options): Adjust comments. Improve the warning that is
5068 issued when -mabicalls and -G are used together.
5069 (mips_file_start): Remove comment.
5070 (mips_current_loadgp_style): New function.
5071 (mips_gnu_local_gp): New variable.
5072 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5074 (mips_output_function_prologue): Use mips_current_laodgp_style.
5075 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5076 the cprestore instruction.
5077 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5078 live for TARGET_ABSOLUTE_ABICALLS.
5079 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5080 (ASM_SPEC): Pass down -mshared and -mno-shared.
5081 (MIPS_CALL): New macro.
5082 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5084 * doc/invoke.texi (-mabicalls): Update documentation.
5085 (-mshared): Document.
5087 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5089 * config/ia64/unwind-hpux.c: New file.
5090 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5092 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5095 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5097 2006-03-21 Jeff Law <law@redhat.com>
5099 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5100 type conversions of a VR_VARYING source to a wider type.
5102 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5104 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5105 tm_file on Solaris 10 and later.
5106 (sparc64-*-solaris2*): Likewise.
5107 (sparc-*-solaris2*): Likewise.
5108 * config/sol26.h: Rename to config/sol2-6.h.
5109 * config/sol2-10.h: New file.
5111 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5114 * tree-ssa-pre.c (create_component_ref_by_pieces):
5117 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5120 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5121 return it immediately.
5123 2006-03-21 Michael Matz <matz@suse.de>
5125 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5127 (remove_arc, add_arc): Update num_out_arcs member.
5128 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5130 (cache_presence): New function.
5131 (compare_states_for_equiv): New function.
5132 (state_is_differed): Don't take number of outargs, adjust callers.
5133 Use new invariant for speeding up.
5134 (init_equiv_class): Create initial classes based on sorted
5136 (partition_equiv_class): Don't track out_arcs_num.
5137 (evaluate_equiv_classes): Call cache_presence on all states and
5140 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5142 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5143 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5144 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5145 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5147 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5148 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5149 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5150 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5151 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5153 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5154 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5155 (REGNO_REG_CLASS): ARGP is in PREGS.
5156 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5158 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5159 to deal with those addresses.
5160 * addresses.h: New file.
5161 * caller-save.c: Include "addresses.h".
5162 (init_caller_save): Use new base_reg_class function.
5163 * rtl-factoring.c: Include "addresses.h".
5164 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5165 * recog.c: Include "addresses.h".
5166 (preprocess_constraints): Use new base_reg_class function.
5167 * regrename.c: Include "addresses.h".
5168 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5169 functions. Keep track of a new var INDEX_CODE to compute valid
5171 (replace_oldest_value_addr): Likewise.
5172 (replace_oldest_value_mem): Use base_reg_class.
5173 * reload.c: Include "addresses.h".
5174 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5175 (find_reloads): Use new base_reg_class function.
5176 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5177 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5178 all callers and prototype changed.
5179 * reload1.c: Include "addresses.h".
5180 (maybe_fix_stack_asms): Use base_reg_class.
5181 * regclass.c: Include "addresses.h".
5182 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5183 (init_reg_autoinc): Use new base_reg_class function.
5184 (record_reg_classes): Likewise.
5185 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5186 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5187 Use new args to compute necessary class.
5189 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5190 regrename.o, rtl-factoring.o): Update dependencies.
5191 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5192 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5193 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5194 REG_OK_FOR_INDEX_P): Delete documentation.
5196 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5198 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5199 from V7 to V9 for Solaris 7 and above.
5201 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5203 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5204 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5205 argument pointers may not alias any other storage.
5206 * common.opt: Define option -fargument-noalias-anything.
5207 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5208 alias semantics is specified by flag_argument_noalias > 2.
5210 2006-03-20 Jeff Law <law@redhat.com>
5212 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5213 (pass_phi_only_cprop): Declare.
5214 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5216 * tree-ssa-dom.c (degenerate_phi_result): New function.
5217 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5218 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5219 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5220 (eliminate_degenerate_phis): Likewise.
5221 (pass_phi_only_cprop): New pass descriptor.
5222 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5223 support code. Callers updated.
5224 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5225 (store_copy_prop): Likewise.
5226 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5228 2006-03-20 Jason Merrill <jason@redhat.com>
5231 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5232 (push_visibility, pop_visibility): Likewise.
5233 * c-pragma.h: Declare them.
5235 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5237 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5239 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5240 parameter and use get_ebb_head_tail.
5241 (sh_md_init_global): Adjust uses of find_regmode_weight.
5243 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5245 * function.h (struct function) <x_tail_recursion_reentry>:
5246 Rename to x_stack_check_probe_note.
5247 (tail_recursion_reentry): Rename to stack_check_probe_note.
5248 * function.c: Replace tail_recursion_reentry with
5249 stack_check_probe_note everywhere.
5250 (expand_function_start): Only emit a note for
5251 stack_check_probe_note with -fstack-protect.
5252 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5254 * emit-rtl.c (remove_unnecessary_notes): Remove.
5255 (pass_remove_unnecessary_notes): Remove.
5256 * rtl.h (remove_unnecessary_notes): Remove prototype.
5257 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5258 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5259 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5261 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5264 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5265 (valid_in_set): Handle ARRAY_REF.
5266 Change "if min_variant or VH" to asserts.
5267 (create_component_ref_by_pieces): Handle ARRAY_REF.
5268 (create_expression_by_pieces): Likewise.
5269 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5271 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5273 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5274 is operand of switch, not str[0].
5276 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5278 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5279 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5281 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5283 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5284 end of insn_extra_address_constraint declaration.
5286 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5288 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5289 (no-sum-in-toc): Same.
5290 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5292 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5293 NO_FP_IN_TOC for -fPIC instead of mask.
5295 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5296 (BOOT_LDFLAGS): Delete.
5298 * config/rs6000/t-aix52: Same.
5300 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5301 (stmsi[345678]_power): New.
5303 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5305 * config/ia64/ia64.opt: Add empty line to end of file.
5307 2006-03-17 Richard Guenther <rguenther@suse.de>
5310 * builtins.c (get_pointer_alignment): For component style references
5311 adjust alignment to the component type alignment. Make sure
5312 to adjust alignment for component access of constants.
5314 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5316 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5319 2006-03-17 Paul Brook <paul@codesourcery.com>
5321 * doc/install.texi: Docuemnt --with-mode.
5322 * config.gcc: Add --with-mode for arm*-*-*.
5323 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5325 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5327 * sh.c (max_labelno_before_reorg): New variable.
5328 (sh_reorg): Initialize it.
5329 (find_barrier): Check max_labelno_before_reorg before using
5330 label_to_alignment. Take length of explicit alignment insns
5331 into account. When seeing a UNSPECV_CONST_END, return it.
5333 * sh.c (fixup_mova): Set mode of affected label to QImode.
5334 (untangle_mova): New function.
5335 (find_barrier): Use it. Check mode of label before decrementing
5337 (sh_reorg): Likewise.
5338 Set mode of all insns back to VOIDmode.
5340 * sh.c (MOVA_LABELREF): New macro.
5341 (mova_p, fixup_mova, sh_reorg): Use it.
5342 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5343 ADDR_DIFF_VEC matches mova.
5345 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5347 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5348 with ATTRIBUTE_UNUSED.
5350 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5352 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5353 pointer, instead of assuming it is possible to derive the
5354 correct args size from a call insn.
5356 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5358 * rtl.h (CONST_INT_P): Define.
5359 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5360 instead of GET_CODE(x) == CONST_INT.
5361 (vax_rtx_costs): Likewise.
5362 (vax_output_int_move): Likewise.
5363 (vax_output_int_add): Likewise.
5364 (legitimate_constant_address_p): Likewise.
5365 (index_term_p): Likewise.
5366 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5367 * config/vax/vax.md (and<mode>3): Likewise.
5368 (ashrsi3): Likewise.
5370 (movstricthi): Likewise.
5371 (movstrictqi): Likewise.
5372 (rotrsi3): Likewise.
5373 (five unnamed insns): Likewise.
5375 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5377 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5378 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5379 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5380 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5381 Pass to ASM_OUTPUT_DWARF_OFFSET.
5382 * dwarf2out.c (debug_frame_section): New.
5383 (output_call_frame_info): Use debug_frame_section. Pass it to
5384 dw2_asm_output_offset.
5385 (output_die): Pass appropriate section to dw2_asm_output_offset.
5386 (output_compilation_unit_header): Likewise.
5387 (output_pubnames): Likewise.
5388 (output_aranges): Likewise.
5389 (enum dw_val_class): Break dw_val_class_lbl_offset into
5390 dw_val_class_lineptr and dw_val_class_macptr.
5391 (add_AT_lbl_offset): Delete.
5392 (add_AT_lineptr): New.
5393 (add_AT_macptr): New.
5394 (AT_lbl): Expect a lineptr or macptr.
5395 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5396 (attr_checksum): Likewise.
5397 (same_dw_val_p): Likewise.
5398 (size_of_die): Likewise.
5399 (value_format): Likewise.
5400 (output_die): Likewise.
5401 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5403 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5404 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5405 * config/darwin-protos.h (darwin_file_start): New.
5406 (darwin_asm_output_dwarf_offset): New.
5407 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5408 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5410 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5411 if not EH section; simplify.
5412 (darwin_file_start): New.
5413 (darwin_asm_output_dwarf_offset): New.
5414 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5416 (DEBUG_INFO_SECTION): Likewise.
5417 (DEBUG_ABBREV_SECTION): Likewise.
5418 (DEBUG_ARANGES_SECTION): Likewise.
5419 (DEBUG_MACINFO_SECTION): Likewise.
5420 (DEBUG_LINE_SECTION): Likewise.
5421 (DEBUG_LOC_SECTION): Likewise.
5422 (DEBUG_PUBNAMES_SECTION): Likewise.
5423 (DEBUG_STR_SECTION): Likewise.
5424 (DEBUG_RANGES_SECTION): Likewise.
5425 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5426 (ASM_OUTPUT_DWARF_OFFSET): New.
5428 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5430 * config.gcc (tm_defines): Always add to previous value rather
5433 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5435 * config/mips/predicates.md (splittable_const_int_operand): New,
5436 split from move_operand.
5437 (splittable_symbolic_operand): New.
5438 (move_operand): Add commentary. Use splittable_const_int_operand.
5439 Inline mips_atomic_symbolic_constant_p.
5440 * config/mips/mips.md: Add combine splitters for handling moves
5441 of splittable_const_int_operands and splittable_symbolic_operands.
5442 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5443 (mips_split_symbol): Declare.
5444 (mips_move_integer): Declare.
5445 * config/mips/mips.c (mips_split_p): Make global.
5446 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5447 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5448 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5449 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5450 (mips_offset_within_object_p): Handle block symbols.
5451 (mips_atomic_symbolic_constant_p): Delete.
5452 (mips_cannot_force_const_mem): Return false for constants that
5453 mips_legitimize_move can handle.
5454 (mips_use_blocks_for_constant_p): New function.
5455 (mips_split_symbol): Make global.
5456 (mips_move_integer): Likewise. Add a temporary register argument.
5457 (mips_legitimize_const_move): Use splittable_const_int_operand and
5458 splittable_symbolic_operand.
5459 (mips_use_anchors_for_symbol_p): New function.
5460 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5461 (mips_split_p): Declare.
5463 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5465 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5466 (mips*-*-linux*): Likewise.
5468 2006-03-16 Roger Sayle <roger@eyesopen.com>
5469 Daniel Speyer <dspeyer@wam.umd.edu>
5472 * tree-dump.c (dump_real): New function.
5473 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5474 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5475 (tree-dump.o): Add $(REAL_H) to the dependencies.
5477 2006-03-16 Roger Sayle <roger@eyesopen.com>
5480 * real.c (real_from_string): If the mantissa is zero, don't bother
5481 parsing the exponent as the result should always be zero.
5483 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5485 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5487 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5489 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5490 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5491 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5492 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5493 ia64_sched_finish_global): New static functions to implement
5494 hooks from gcc_target.sched.
5495 (spec_check_no, max_uid, pending_data_specs): New static variables.
5496 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5497 ia64_spec_check_src_p): New static functions.
5498 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5499 (TARGET_SCHED_ADJUST_COST): Removed.
5500 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5501 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5502 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5503 TARGET_SCHED_GEN_CHECK,
5504 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5505 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5506 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5507 Fixed to handle speculation checks.
5508 (rtx_needs_barrier): Fixed to handle speculative loads and
5510 (ia64_variable_issue): Added code to count speculative loads and their
5512 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5514 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5516 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5518 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5519 (ia64_reorg): Reset stops_p to NULL after it is freed.
5520 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5521 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5522 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5524 (data_speculative, control_speculative, check_load): New attributes.
5525 (mov<mode>_advanced, mov<mode>_speculative,
5526 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5527 zero_extend<mode>di2_speculative,
5528 zero_extend<mode>di2_speculative_advanced): New patterns for
5529 data and control speculative loads.
5530 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5532 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5533 New pattern for data and control speculation checks.
5534 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5535 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5536 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5537 Auxiliary definitions for the patterns.
5538 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5539 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5541 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5543 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5544 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5545 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5546 New resource constraints.
5547 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5549 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5550 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5551 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5552 msched-in-control-spec, msched-ldc, msched-control-ldc,
5553 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5554 msched-prefer-non-control-spec-insns,
5555 msched-count-spec-in-critical-path): New flags to tune speculative
5557 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5558 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5559 msched-in-control-spec, msched-ldc, msched-control-ldc,
5560 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5561 msched-prefer-non-control-spec-insns,
5562 msched-count-spec-in-critical-path): Document new flags.
5564 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5566 * target.h (struct spec_info_def): New opaque declaration.
5567 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5568 speculate_insn, needs_block_p, gen_check,
5569 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5570 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5571 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5572 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5573 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5574 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5576 (TARGET_SCHED): Use new macros.
5577 * rtl.h (copy_DEPS_LIST_list): New prototype.
5578 * sched-int.h (struct sched_info): Change signature of new_ready field,
5579 adjust all initializations. New fields: add_remove_insn,
5580 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5581 region_head_or_leaf_p.
5582 (struct spec_info_def): New structure declaration.
5583 (spec_info_t): New typedef.
5584 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5585 recovery_block, orig_pat.
5586 (glat_start, glat_end): New variables declaraions.
5587 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5589 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5590 DETACH_LIFE_INFO, USE_GLAT.
5591 (enum SPEC_SCHED_FLAGS): New enumeration.
5592 (NOTE_NOTE_BB_P): New macro.
5593 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5594 attach_life_info, debug_spec_status, check_reg_live): New functions.
5595 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5596 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5598 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5599 * ddg.c (get_block_head_tail): Adjust all uses.
5600 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5601 (sms_sched_info): Initialize new fields.
5602 (contributes_to_priority): Removed.
5603 * haifa-sched.c (params.h): New include.
5604 (get_block_head_tail): Adjust all uses.
5605 (ISSUE_POINTS): New macro.
5606 (glat_start, glat_end): New global variables.
5607 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5608 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5609 old_last_basic_block, before_recovery, current_sched_info_var,
5610 rgn_n_insns, luid): New static variables.
5611 (insn_cost1): New function. Move logic from insn_cost to here.
5612 (find_insn_reg_weight1): New function. Move logic from
5613 find_insn_reg_weight to here.
5614 (reemit_notes, move_insn, max_issue): Change signature.
5615 (move_insn1): Removed.
5616 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5617 extend_bb): New static functions to support extension of scheduler's
5619 (generate_recovery_code, process_insn_depend_be_in_spec,
5620 begin_speculative_block, add_to_speculative_block,
5621 init_before_recovery, create_recovery_block, create_check_block_twin,
5622 fix_recovery_deps): New static functions to support
5623 generation of recovery code.
5624 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5625 restore_bb_notes, move_block_after_check, move_succs): New static
5626 functions to support ebb scheduling.
5627 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5628 functions to support handling of register live information.
5629 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5630 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5631 add_jump_dependencies): New static functions.
5632 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5633 consistancy checking.
5634 (debug_spec_status): New function to call from debugger.
5635 (priority): Added code to handle speculation checks.
5636 (rank_for_schedule): Added code to distinguish speculative instructions.
5637 (schedule_insn): Added code to handle speculation checks.
5638 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5639 Fixed to handle ebbs.
5640 (move_insn): Added code to handle ebb scheduling.
5641 (max_issue): Added code to use ISSUE_POINTS of instructions.
5642 (choose_ready): Added code to choose between speculative and
5643 non-speculative instructions.
5644 (schedule_block): Added code to handle ebb scheduling and scheduling of
5645 speculative instructions.
5646 (sched_init): Initialize new variables.
5647 (sched_finish): Free new variables. Print statistics.
5648 (try_ready): Added code to handle speculative instructions.
5649 * lists.c (copy_DEPS_LIST_list): New function.
5650 * sched-deps.c (extend_dependency_caches): New function. Move logic
5651 from create_dependency_caches to here.
5652 (get_dep_weak, ds_merge): Make global.
5653 * genattr.c (main): Code to output prototype for
5654 dfa_clear_single_insn_cache.
5655 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5656 (output_dfa_clean_insn_cache_func): Code to output
5657 dfa_clear_single_insn_cache function.
5658 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5660 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5662 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5663 New static variables.
5664 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5665 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5667 (ebb_sched_info): Initialize new fields.
5668 (get_block_head_tail): Adjust all uses.
5669 (compute_jump_reg_dependencies): Fixed to use glat_start.
5670 (schedule_ebb): Code to remove unreachable last block.
5671 (schedule_ebbs): Added code to update register live information.
5672 * sched-rgn.c (region_sched_info): Initialize new fields.
5673 (get_block_head_tail): Adjust all uses.
5674 (last_was_jump): Removed. Adjust users.
5675 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5676 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5677 Implement new hooks.
5678 (check_dead_notes1): New static function.
5679 (struct region): New fields: dont_calc_deps, has_real_ebb.
5680 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5681 (BB_TO_BLOCK): Fixed to handle EBBs.
5682 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5683 (ebb_head): New static variable.
5684 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5685 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5687 (compute_dom_prob_ps): New assertion.
5688 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5689 global_live_at_start.
5690 (init_ready_list): New assertions.
5691 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5692 (new_ready): Add support for BEGIN_CONTROL speculation.
5693 (schedule_insns): Fixed code that updates register live information
5695 (schedule_region): Fixed to handle EBBs.
5696 (init_regions): Use extend_regions and check_dead_notes1.
5697 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5698 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5699 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5700 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5701 TARGET_SCHED_GEN_CHECK,
5702 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5703 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5704 * doc/invoke.texi (max-sched-insn-conflict-delay,
5705 sched-spec-prob-cutoff): Document.
5707 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5709 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5710 inter_tick, queue_index.
5711 (struct sched_info): Change signature of init_ready_list field.
5712 Adjust all initializations.
5713 (RESOLVED_DEPS): New access macro.
5714 (ready_add): Remove prototype.
5715 (try_ready): Add prototype.
5716 * sched-rgn.c (init_ready_list): Use try_ready.
5717 (schedule_region): Initialize
5718 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5719 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5720 (init_ready_list): Use try_ready.
5721 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5722 * lists.c (remove_list_elem): Remove `static'.
5723 (remove_free_INSN_LIST_elem): New function.
5724 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5725 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5726 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5728 (readyp): New variable.
5729 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5730 change_queue_index, resolve_dep): New static functions.
5731 (try_ready): New function. Adjust callers in sched-rgn.c and
5732 sched-ebb.c to use it instead of ready_add.
5733 (clock_var): Move at the begining of file.
5734 (rank_for_schedule): Fix typo.
5735 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5736 (ready_lastpos): Enforce assertion.
5737 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5739 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5740 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5741 (queue_to_ready): Use free_INSN_LIST_list.
5742 (early_queue_to_ready): Fix typo.
5743 (schedule_block): Init readyp. Move init_ready_list call after the
5744 initialization of clock_var. Fix error in rejecting insn by
5745 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5746 that previously corrected INSN_TICKs. Add code for handling
5748 (set_priorities): Fix typo.
5749 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5750 Clarify comment and code that keeps current_sched_info->next_tail
5753 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5755 * sched-rgn.c (extend_rgns): New static function.
5756 (find_rgns): Use it.
5757 (gather_region_statistics, print_region_statistics): New static
5759 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5760 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5762 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5763 Andrey Belevantsev <abel@ispras.ru>
5765 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5766 * lists.c (unused_deps_list): New variable.
5767 (free_list): Add assertions to verify the proper distinguishing
5768 between INSN_LISTs and DEPS_LISTs.
5769 (find_list_elem, remove_list_elem, remove_list_node): New static
5771 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5772 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5773 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5774 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5776 (free_INSN_LIST_node): Likewise.
5777 * modulo-sched.c (current_sched_info): Initialize flags field.
5778 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5779 * rtl.def (DEPS_LIST): Define.
5780 * rtl.h: Declare new functions from lists.c.
5781 * sched-deps.c (spec_dependency_cache): New static variable.
5782 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5783 (add_dependence): Change return type to void. Move the logic to ...
5784 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5785 (delete_all_dependences): Add comment about forward_dependency_cache.
5786 Handle spec_dependency_cache. Handle DEPS_LISTs.
5787 (fixup_sched_groups): Clarify the change of priority of output
5788 and anti dependencies.
5789 (sched_analyze_2): Adjust add_dependence calls to create data
5790 speculative dependence.
5791 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5792 Adjust all callers. Handle DEPS_LISTS.
5793 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5794 presence of speculation.
5795 (init_dependency_caches, free_dependency_caches):
5796 Handle spec_dependency_cache.
5797 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5798 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5799 New static functions.
5800 (add_or_update_back_dep, add_or_update_back_forw_dep,
5801 add_back_forw_dep, delete_back_forw_dep): New functions.
5802 * sched-int.h (ds_t, dw_t): New typedefs.
5803 (struct sched_info): Add new field flags.
5804 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5805 Prototype new sched-deps.c functions.
5806 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5807 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5808 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5809 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5810 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5811 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5813 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5815 * sched-rgn.c (current_sched_info): Initialize flags field.
5816 (schedule_insns): Initialize current_sched_info before the sched_init
5818 * sched-ebb.c (current_sched_info): Initialize flags field.
5819 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5820 Call add_or_update_back_dep instead of add_dependence.
5821 Create control speculative dependencies.
5822 (schedule_insns): Initialize current_sched_info before the sched_init
5825 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5827 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5829 (sh_fallback_frame_state): Likewise.
5831 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5833 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5834 Do switch on default_use_cxa_atexit.
5835 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5836 * config/darwin-crt3.o: New.
5837 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5838 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5839 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5841 * config/rs6000/t-darwin: Move crt2.o building to here.
5842 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5843 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5846 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5848 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5849 from '! xxx' to '!xxx' for coding-style conformance.
5850 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5851 (EXTRA_CONSTRAINT): Likewise.
5852 * config/vax/vax.md (four unnamed insns): Likewise.
5854 2006-03-15 Paul Brook <paul@codesourcery.com>
5856 * config/arm/arm.c (minipool_pad): New.
5857 (add_minipool_forward_ref): Include pool alignment padding in address
5859 (push_minipool_fix): Set minipool_pad.
5860 (minipool_pad): Ditto.
5862 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5864 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5865 instead of GET_CODE() == MEM and REG_P() instead of
5867 (print_operand_address): Likewise.
5868 (vax_address_cost): Likewise.
5869 (vax_rtx_costs): Likewise.
5870 (vax_notice_update_cc): Likewise.
5871 (vax_output_int_add): Likewise.
5872 (INDEX_REGISTER_P): Likewise.
5873 (BASE_REGISTER_P): Likewise.
5874 (nonindexed_address_p): Likewise.
5875 (vax_mode_dependent_address_p): Likewise.
5876 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5877 (PRINT_OPERAND): Likewise.
5878 * config/vax/vax.md (ashlsi3): Likewise.
5879 (ashlsi3): Likewise.
5880 (some more unnamed insns): Likewise.
5882 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5884 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5885 iterator-style macro.
5886 (mark_control_dependent_edges_necessary): Update the use of
5887 EXECUTE_IF_CONTROL_DEPENDENT.
5889 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5891 * config/sh/predicates.md (cache_address_operand): Special.
5892 (ua_address_operand): Likewise.
5894 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5896 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5898 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5900 2006-03-15 Andreas Schwab <schwab@suse.de>
5902 * gensupport.c (identify_predicable_attribute): Don't free p_false
5903 when it is still in use.
5905 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5907 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5908 the default setting here.
5910 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5912 * tree-pass.h (pass_cfg): Remove.
5913 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5914 * passes.c (pass_cfg): Don't run it.
5916 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5918 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5919 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5921 (stack_regs_mentioned): Update the uses of
5922 stack_regs_mentioned_data. Don't access the array beyond its
5924 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5925 Don't include gt-reg-stack.h.
5927 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5928 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5930 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5933 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5936 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5938 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5940 2006-03-14 Richard Guenther <rguenther@suse.de>
5942 PR tree-optimization/26672
5943 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5946 2006-03-14 Richard Guenther <rguenther@suse.de>
5948 PR tree-optimization/26667
5949 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5950 node for the callees. Always allow inlining if it will shrink
5953 2006-03-14 Richard Guenther <rguenther@suse.de>
5956 * builtins.c (get_pointer_alignment): Prefer alignment
5957 information from decls over that from types.
5959 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5962 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5964 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5966 * config/rs6000/rs6000.opt (mdlmzb): New option.
5967 (msched-prolog, msched-epilog): Use Var not Mask.
5968 * doc/invoke.texi (-mdlmzb): Document.
5969 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5971 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5972 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5974 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5976 PR rtl-optimization/25739
5977 * bt-load.c (augment_live_range): Free tos pointer.
5979 * gensupport.c (identify_predicable_attribute): Free
5981 * gcov.c (create_file_names): Free name pointer.
5983 2006-03-13 Roger Sayle <roger@eyesopen.com>
5986 * stmt.c (emit_case_nodes): Handle the case where the index is a
5987 CONST_INT, where the comparison mode is specified by the index type.
5989 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5991 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5994 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5996 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5997 (*branch_fp_inverted): Likewise.
5999 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6002 * omp-low.c (expand_omp_for_generic): Mark istart0
6003 and iend0 as addressable.
6005 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6007 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6009 2006-03-13 Jeff Law <law@redhat.com>
6011 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6012 virtual operands are interesting.
6013 (vrp_visit_stmt): Corresponding changes.
6015 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6017 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6019 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6020 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6021 * config/bfin/crti.S: Use it instead of __PIC__.
6022 * config/bfin/crtn.S: Likewise.
6024 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6025 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6027 Lose 'G' modifier for call operand.
6028 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6029 recognize 'G' modifier.
6031 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6034 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6035 * stmt.c (expand_case): Likewise.
6037 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6039 PR rtl-optimization/26254
6040 * loop-invariant.c (seq_insns_valid_p): New function.
6041 (move_invariant_reg): Only emit new code if it is valid.
6043 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6045 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6047 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6048 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6049 (commit_one_edge_insertion): Do not look for loop notes.
6051 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6053 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6054 flag_test_coverage out of loop.
6056 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6058 * final.c (shorten_branches): Remove outdated comment, and turn
6059 the if branch that guards it to continue.
6061 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6063 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6064 * cfgloop.h (struct loop): Remove unused fields.
6066 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6068 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6069 (-dL, -fdump-rtl-loop2): Update the dump file names
6071 * doc/invoke.texi: Update dump file names.
6073 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6075 * predict.c (estimate_probability): Remove.
6076 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6077 * basic-block.h (estimate_probability): Remove prototype.
6078 * passes.c (finish_optimization_passes): Dump branch prediction or
6079 profiling heuristics to the .profile tree dump.
6080 (init_optimization_passes): Unqueue pass_branch_prob.
6082 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6084 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6086 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6087 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6089 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6091 * function.h (frame_offset_overflow): Declare.
6092 * function.c (frame_offset_overflow): New function.
6093 (assign_stack_local_1): Call it to detect that the offset overflows.
6094 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6096 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6098 * config/sh/sh.c: Include alloc-pool.h.
6099 (label_ref_list_pool): New alloc pool.
6100 (label_ref_list_t): New type for lists of labels.
6101 (struct pool_node): Make wend a label_ref_list_t.
6102 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6104 (dump_table): Likewise.
6105 (sh_reorg): Set up the alloc pool before using add_constant and
6106 dump_table, and destroy it when finishing.
6108 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6110 * config/mips/mips.c: Remove redundant comment.
6112 2006-03-10 Jason Merrill <jason@redhat.com>
6115 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6116 the target was declared 'register'.
6118 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6120 * genpreds.c (write_insn_constraint_len): Change definition of
6121 insn_constraint_len to return size_t to match the declaration.
6123 2006-03-10 DJ Delorie <dj@redhat.com>
6125 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6127 (m32c_expand_insv): Fix test for an AND mask.
6129 2006-03-10 Richard Guenther <rguenther@suse.de>
6132 * builtins.c (get_pointer_alignment): Handle component
6133 references for field alignment.
6135 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6137 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6138 when building with libgloss.
6139 (sh*elf): Implement --without-fp option.
6140 (sh64-superh-linux*): Don't multilib.
6142 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6144 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6146 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6148 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6149 Set it when one of the replacement functions returned true.
6150 Return TODO_cleanup_cfg if cfgchanged is true.
6151 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6153 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6155 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6156 instead of gen_lowpart.
6158 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6160 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6162 (mips_output_order_conditional_branch): Declare.
6163 * config/mips/mips.h (MIPS_BRANCH): New macro.
6164 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6165 for the comparison. Use gen_condjump.
6166 (mips_output_conditional_branch): Rework interface to take the
6167 asm templates for a direct branch and the inverse of a direct branch.
6168 (mips_output_order_conditional_branch): New function.
6169 (mips_builtin_branch_and_move): New function.
6170 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6171 branch condition. Use gen_single_cc as the condition for
6172 __builtin_mips_upper_* or __builtin_mips_lower_*.
6173 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6174 Use VOIDmode for the branch condition.
6175 * config/mips/predicates.md (order_operator): New predicate.
6176 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6177 (branch_fp): Rename to...
6178 (*branch_fp): ...this. Remove mode from comparison operator.
6179 Use new mips_output_conditional_branch interface.
6180 (branch_fp_inverted): Rename to...
6181 (*branch_fp_inverted): ...this and update as for *branch_fp.
6182 (*branch_zero<mode>): Rename to...
6183 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6184 Use mips_output_order_conditional_branch. Only accept ordered
6186 (*branch_zero<mode>_inverted): Rename to...
6187 (*branch_order<mode>_inverted): ...this and update as for
6188 *branch_order<mode>.
6189 (*branch_equality<mode>): Accept zero as the second operand to
6190 the equality operator. Use the new mips_output_conditional_branch
6192 (*branch_equality<mode>_inverted): Likewise.
6193 (condjump): New expander.
6194 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6196 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6197 (bc1any2t, bc1any2f): Likewise.
6198 (single_cc): New expander.
6199 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6201 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6203 * doc/md.texi: Update documentation of MIPS constraints.
6204 * config/mips/constraints.md: New file.
6205 * config/mips/mips.md: Include it.
6206 * config/mips/mips.c (mips_char_to_class): Delete.
6207 (override_options): Don't initialize mips_char_to_class.
6208 * config/mips/mips.h (mips_char_to_class): Delete.
6209 (REG_CLASS_FROM_LETTER): Delete.
6210 (CONST_OK_FOR_LETTER_P): Delete.
6211 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6212 (EXTRA_CONSTRAINT_Y): Delete.
6213 (EXTRA_CONSTRAINT_STR): Delete.
6214 (CONSTRAINT_LEN): Delete.
6215 (EXTRA_MEMORY_CONSTRAINT): Delete.
6217 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6219 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6220 original fn's eh regions.
6222 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6224 * fold-const.c (build_range_check): Make sure to use a valid type to
6225 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6228 (range_predecessor): New static function.
6229 (range_successor): Likewise.
6230 (merge_ranges): Use them to compute predecessors and successors of
6233 2006-03-09 Roger Sayle <roger@eyesopen.com>
6236 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6237 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6239 2006-03-08 DJ Delorie <dj@redhat.com>
6241 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6242 (addpsi3): Expand to include memory operands. Remove
6243 reload-specific splits.
6244 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6245 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6246 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6247 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6248 (shift1_qi, shift1_hi, insv): New.
6249 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6250 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6251 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6253 * config/m32c/m32c-protos.h: Update as needed.
6254 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6255 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6256 Fail for unrecognized R* constraints.
6257 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6258 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6259 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6261 (m32c_init_libfuncs): New.
6262 (m32c_legitimate_address_p): Add debug wrapper.
6263 (m32c_rtx_costs): New.
6264 (m32c_address_cost): New.
6265 (conversions): Add 'B' prefix.
6266 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6267 operands, or word regnames for QI operands. 'B' prints bit
6269 (m32c_expand_setmemhi): New.
6270 (m32c_expand_movmemhi): New.
6271 (m32c_expand_movstr): New.
6272 (m32c_expand_cmpstr): New.
6273 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6274 (m32c_expand_neg_mulpsi3): Handle non-ints.
6275 (m32c_cmp_flg_0): New.
6276 (m32c_expand_movcc): New.
6277 (m32c_expand_insv): New.
6278 (m32c_scc_pattern): New.
6279 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6280 a0/a1 out of SIregs.
6281 (STORE_FLAG_VALUE): New.
6282 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6285 * config/m32c/mov.md: Make constraints more liberal.
6286 (zero_extendqihi2): Optimize r0/r1 case.
6287 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6288 * config/m32c/predicates.md (m32c_any_operand): New.
6289 (m32c_nonimmediate_operand): New.
6290 (m32c_hl_operand): New.
6291 (m32c_r3_operand): New.
6294 (memsym_operand): New.
6295 (memimmed_operand): New.
6296 (a_qi_operand): New.
6297 (m32c_eqne_operator): New.
6298 (m32c_1bit8_operand): New.
6299 (m32c_1bit16_operand): New.
6300 (m32c_1mask8_operand): New.
6301 (m32c_1mask16_operand): New.
6302 * config/m32c/blkmov.md: New file.
6303 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6305 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6307 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6308 unsigned to fix signed/unsigned comparison issue in
6309 DWARF2_FRAME_REG_OUT.
6310 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6311 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6313 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6314 of ptr into the ENABLE_CHECKING section.
6316 2006-03-08 Jeff Law <law@redhat.com>
6318 * tree-vrp.c (infer_value_range): Only count pointer uses
6319 and dereferences if -fdelete-null-pointer-checks is enabled.
6321 * tree-vrp.c (find_assert_locations): Infer value ranges for
6322 single use pointers, but do not create ASSERT_EXPRs for them.
6323 When a non-null range is inferred for a pointer, backwards
6324 propagate that range to other equivalent pointers through the
6327 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6330 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6331 language hook targets.
6332 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6333 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6334 if language hook targets were missing.
6336 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6338 * tree-ssa-opfinalize.h: Removed.
6339 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6341 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6342 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6343 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6344 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6345 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6346 finalize_ssa_v_must_def_ops): New.
6348 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6350 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6353 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6355 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6357 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6358 addresses with offsets; reorganize.
6360 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6361 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6362 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6364 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6367 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6369 2006-03-08 Ben Elliston <bje@au.ibm.com>
6371 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6373 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6376 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6379 2006-03-07 Richard Guenther <rguenther@suse.de>
6381 PR tree-optimization/26587
6382 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6384 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6386 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6388 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6390 * hooks.c (hook_bool_mode_rtx_true): New function.
6391 * hooks.h (hook_bool_mode_rtx_true): Declare.
6392 * toplev.c (compile_file): Call output_shared_constant_pool.
6393 * varasm.c (shared_constant_pool): New variable.
6394 (assemble_start_function, assemble_end_function): Remove arguments
6395 from call to output_constant_pool.
6396 (create_constant_pool): New function, split out from...
6397 (init_varasm_status): ...here.
6398 (force_const_mem): Choose between the shared and per-function constant
6399 pools. Set current_function_uses_const_pool when reusing old entries
6400 as well as when creating new ones.
6401 (mark_constant): Ignore data argument.
6402 (mark_constants): Remove pool argument.
6403 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6404 to decide whether the function uses a constant pool.
6405 (output_constant_pool_contents): New function, split out from...
6406 (output_constant_pool): ...here.
6407 (output_shared_constant_pool): New function.
6408 (init_varasm_once): Initialize shared_constant_pool.
6409 * output.h (output_constant_pool): Delete.
6410 (output_shared_constant_pool): Declare.
6411 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6412 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6414 2006-03-06 Nick Clifton <nickc@redhat.com>
6416 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6417 flag_strength_reduce.
6419 2006-03-06 Ben Elliston <bje@au.ibm.com>
6421 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6422 x86_64-*-linux* configurations.
6424 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6425 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6427 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6429 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6431 * basic-block.h: Remove the extern for
6432 rediscover_loops_after_threading.
6434 * cfgloop.c (cancel_loop): Make it static.
6435 * cfgloop.h: Remove the prototype for cancel_loop.
6437 * flow.c (recompute_reg_usage): Make it static.
6438 * rtl.h: Remove the prototype for recompute_reg_usage.
6440 * function.c (use_return_register): Make it static.
6441 * function.h: Remove the prototype.
6443 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6445 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6447 * recog.h: Remove the prototype for
6448 validate_change_maybe_volatile.
6450 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6452 * rtlanal.c (replace_reg): Remove.
6453 * rtl.h: Remove the prototype for replace_reg.
6455 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6457 * regclass.c (reg_scan_update): Remove.
6458 (reg_scan_mark_refs): Remove the last argument.
6459 * rtl.h: Remove the prototype for reg_scan_update.
6461 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6463 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6464 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6465 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6466 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6467 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6468 loop-invariant.c, omp-low.c, opts.c, passes.c,
6469 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6470 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6471 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6472 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6473 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6474 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6476 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6478 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6479 * dwarf2out.h: Remove the prototype for
6480 dwarf2out_add_library_unit_info.
6482 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6484 * tree.c (add_var_to_bind_expr): Remove.
6485 * tree.h: Remove the prototype for add_var_to_bind_expr.
6487 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6489 * regclass.c (n_non_fixed_regs): Remove.
6490 (init_reg_sets_1, globalize_reg): Remove all uses of
6492 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6494 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6496 * rtlanal.c (insns_safe_to_move_p): Remove.
6497 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6499 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6501 * expmed.c (expand_mult_add): Remove.
6502 * expr.h: Remove the prototype for expand_mult_add.
6504 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6506 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6507 and REG_SAVED_VAL_EXP constants.
6508 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6509 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6510 Handle regs stored by value.
6511 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6512 (execute_cfa_program): Handle DW_CFA_val_offset,
6513 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6514 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6515 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6516 (uw_install_context_1): Handle target regs stored by value.
6518 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6520 * tree-sra.c (tree_sra): Return todoflags;
6521 (generate_one_element): Set TODO_update_smt_usage if needed.
6522 (pass_sra): Remove TODO_update_smt_usage.
6523 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6525 (tree_ssa_forward_propagate_single_use_vars): Return
6526 TODO_update_smt_usage if we need to update SMT usage.
6527 (pass_forwprop): Remove TODO_update_smt_usage.
6529 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6531 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6532 (correct_use_link): Remove reference to get_stmt_operands.
6533 (update_stmt_operands): Likewise.
6534 (get_modify_expr_operands): New function factored out of
6535 parse_ssa_operands and get_expr_operands.
6536 Try to create V_MUST_DEFs for LHS by default.
6537 (get_expr_operands) <case MODIFY_EXPR>: Call
6538 get_modify_expr_operands.
6539 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6540 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6541 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6542 get_modify_expr_operands.
6544 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6546 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6547 * tree-flow.h: Remove the prototype for
6548 referenced_var_lookup_if_exists.
6550 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6552 PR rtl-optimization/26345
6554 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6556 2006-03-03 Roger Sayle <roger@eyesopen.com>
6558 PR tree-optimization/26524
6559 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6560 fold_convert to create a constant of the appropriate type.
6562 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6564 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6565 SYMBOL_REF_IN_BLOCK_P.
6566 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6567 of SYMBOL_FLAG_IN_BLOCK.
6568 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6569 instead of SYMBOL_REF_IN_BLOCK_P.
6570 * explow.c (use_anchored_address): Likewise.
6571 * rtl.c (rtx_size): Likewise.
6572 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6573 instead of SYMBOL_FLAG_IN_BLOCK.
6574 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6575 SYMBOL_REF_IN_BLOCK_P.
6576 (assemble_variable): Likewise.
6577 (output_constant_def_contents): Likewise.
6578 (output_constant_pool): Likewise.
6579 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6580 instead of SYMBOL_FLAG_IN_BLOCK.
6581 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6582 SYMBOL_REF_IN_BLOCK_P.
6583 (SYMBOL_REF_BLOCK): Likewise.
6584 (SYMBOL_REF_OFFSET): Likewise.
6585 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6586 SYMBOL_REF_IN_BLOCK_P.
6587 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6588 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6589 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6590 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6592 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6594 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6596 2006-03-02 Roger Sayle <roger@eyesopen.com>
6598 * simplify-rtx.c (simplify_unary_operation): When simplifying
6599 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6600 that we perform the right shift in the appropriate mode, and
6601 then extend or truncate the result to requested mode.
6603 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6605 * gengtype.c (main): Handle double_int type.
6606 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6607 * double-int.c: New file.
6608 * double-int.h: New file.
6609 * system.h: Include doubleint.h.
6610 * Makefile.in (SYSTEM_H): Include double-int.h.
6611 (double-int.o): Add.
6613 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6616 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6619 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6621 * tree-vrp.c (remove_range_assertions): Do not update statements
6624 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6626 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6628 * gcse.c (rest_of_handle_gcse): Ditto.
6629 * except.c (gate_handle_eh): Ditto.
6630 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6631 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6633 2006-03-02 Eric Christopher <echristo@apple.com>
6635 * config/i386/i386.c (machopic_output_stub): Add indirection to
6638 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6642 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6644 Sun Niagara specific optimizations.
6645 * config.gcc: Recognize niagara as target.
6646 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6647 (TARGET_CPU_niagara): Define.
6648 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6649 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6650 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6651 (ASM_CPU_SPEC): Likewise.
6652 (PROCESSOR_NIAGARA): New enum entry.
6653 (REGISTER_MOVE_COST): Handle Niagara.
6654 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6655 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6656 (sparc_override_options): Recognize "niagara", set appropriate
6657 default MASK_* values for it, and align functions to 32-bytes
6658 by default just like ULTRASPARC/ULTRASPARC3.
6659 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6660 (sparc64_initialize_trampoline): Likewise.
6661 (sparc_use_sched_lookahead): Use zero for niagara.
6662 (sparc_issue_rate): Use one for niagara.
6663 * config/sparc/niagara.md: New file.
6664 * config/sparc/sparc.md: Include it.
6665 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6666 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6667 when default cpu is niagara.
6668 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6669 (ASM_CPU_SPEC): Likewise.
6670 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6671 when default cpu is niagara.
6672 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6673 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6674 just like v9/ultrasparc/ultrasparc3.
6675 * doc/invoke.texi: Add documentation for "niagara" and improve
6676 existing documentation for ultrasparc variants.
6678 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6680 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6682 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6684 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6685 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6686 and say that only one is needed.
6687 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6688 * target.h (have_switchable_bss_sections): New hook.
6689 * explow.c (use_anchored_address): Check that the symbol is in a block.
6690 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6691 (bss_noswitch_section): New variables.
6692 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6693 (get_noswitch_section): New function.
6694 (get_block_for_section): Allow SECT to be null.
6695 (unlikely_text_section_p): Use SECTION_STYLE.
6696 (bss_initializer_p): New function.
6697 (get_variable_section): Move earlier in file. Take a new argument,
6698 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6699 Return one of the new *_sections in such cases.
6700 (get_block_for_decl): New function, extracting some logic from
6701 use_blocks_for_decl_p.
6702 (change_symbol_section): Remove in favor of...
6703 (change_symbol_block): ...this new function.
6704 (use_blocks_for_decl_p): Remove checks now performed by
6706 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6707 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6708 (emit_local, emit_bss, emit_common): ...these new functions.
6709 Return true if the alignment was honored.
6710 (emit_tls_common): New function.
6711 (asm_emit_uninitialised): Delete.
6712 (assemble_variable_noswitch): New function, split out from...
6713 (assemble_variable): ...here. Don't make decisions about common
6714 variables here. Globalize all public decls that go into non-common
6715 sections. Check whether SYMBOL_REF_BLOCK is null.
6716 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6717 (output_constant_pool): Likewise.
6718 (init_varasm_once): Initialize the new section variables.
6719 (have_global_bss_p): New function.
6720 (categorize_decl_for_section): Use bss_initializer_p.
6721 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6722 (place_block_symbol): Assert that the symbol must be in a block.
6723 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6724 (TARGET_INITIALIZER): Include it.
6725 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6726 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6727 (SECTION_MACH_DEP): Bump by two.
6728 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6729 (unnamed_section): Mention SECTION_UNNAMED in comment.
6730 (named_section): Likewise SECTION_NAMED.
6731 (noswitch_section_callback): New type.
6732 (noswitch_section): New structure.
6733 (section): Add a noswitch_section alternative.
6734 (SECTION_STYLE): New macro.
6735 (tls_comm_section, comm_section, lcomm_section): Declare.
6736 (bss_noswitch_section, have_global_bss_p): Declare.
6737 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6738 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6740 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6741 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6744 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6746 * tree-vrp.c (execute_vrp): Return value.
6747 * regrename.c (rest_of_handle_regrename): Ditto.
6748 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6749 * tree-complex.c (tree_lower_complex): Ditto.
6750 (tree_lower_complex_O0): Ditto.
6751 * tracer.c (rest_of_handle_tracer): Ditto.
6752 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6753 * postreload.c (rest_of_handle_postreload): Ditto.
6754 * tree-tailcall.c (execute_tail_recursion): Ditto.
6755 (execute_tail_calls): Ditto.
6756 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6757 * tree.h (init_function_for_compilation): Ditto.
6758 * ipa-cp.c (ipcp_driver): Ditto.
6759 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6760 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6761 * final.c (compute_alignments): Ditto.
6762 (rest_of_handle_final): Ditto.
6763 (rest_of_handle_shorten_branches): Ditto.
6764 (rest_of_clean_state): Ditto.
6765 * omp-low.c (execute_expand_omp): Ditto.
6766 (execute_lower_omp): Ditto.
6767 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6768 * ipa-reference.c (static_execute): Ditto.
6769 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6770 * reorg.c (rest_of_handle_delay_slots): Ditto.
6771 (rest_of_handle_machine_reorg): Ditto.
6772 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6773 * flow.c (recompute_reg_usage): Ditto.
6774 (rest_of_handle_remove_death_notes): Ditto.
6775 (rest_of_handle_life): Ditto.
6776 (rest_of_handle_flow2): Ditto.
6777 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6778 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6779 (do_ssa_store_ccp): Ditto.
6780 (execute_fold_all_builtins): Ditto.
6781 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6782 * modulo-sched.c (rest_of_handle_sms): Ditto.
6783 * ipa-pure-const.c (static_execute): Ditto.
6784 * cse.c (rest_of_handle_cse): Ditto.
6785 (rest_of_handle_cse2): Ditto.
6786 * web.c (rest_of_handle_web): Ditto.
6787 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6788 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6789 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6790 * tree-nrv.c (tree_nrv): Ditto.
6791 (execute_return_slot_opt): Ditto.
6792 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6793 (create_structure_vars): Ditto.
6794 * loop-init.c (rtl_loop_init): Ditto.
6795 (rtl_loop_done): Ditto.
6796 (rtl_move_loop_invariants): Ditto.
6797 (rtl_unswitch): Ditto.
6798 (rtl_unroll_and_peel_loops): Ditto.
6799 (rtl_doloop): Ditto.
6800 * gimple-low.c (lower_function_body): Ditto.
6801 (mark_used_blocks): Ditto.
6802 * tree-ssa-sink.c (execute_sink_code): Ditto.
6803 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6804 (cgraph_early_inlining): Ditto.
6805 * global.c (rest_of_handle_global_alloc): Ditto.
6806 * jump.c (cleanup_barriers): Ditto.
6807 (purge_line_number_notes): Ditto.
6808 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6809 (rest_of_handle_if_after_reload): Ditto.
6810 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6811 (tree_ssa_loop_im): Ditto.
6812 (tree_ssa_loop_unswitch): Ditto.
6813 (tree_vectorize): Ditto.
6814 (tree_linear_transform): Ditto.
6815 (tree_ssa_loop_ivcanon): Ditto.
6816 (tree_ssa_empty_loop): Ditto.
6817 (tree_ssa_loop_bounds): Ditto.
6818 (tree_complete_unroll): Ditto.
6819 (tree_ssa_loop_prefetch): Ditto.
6820 (tree_ssa_loop_ivopts): Ditto.
6821 (tree_ssa_loop_done): Ditto.
6822 * predict.c (tree_estimate_probability): Ditto.
6823 * recog.c (split_all_insns_noflow): Ditto.
6824 (rest_of_handle_peephole2): Ditto.
6825 (rest_of_handle_split_all_insns): Ditto.
6826 * tree-eh.c (lower_eh_constructs): Ditto.
6827 * regmove.c (rest_of_handle_regmove): Ditto.
6828 (rest_of_handle_stack_adjustments): Ditto.
6829 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6830 * function.c (instantiate_virtual_regs): Ditto.
6831 (init_function_for_compilation): Ditto.
6832 (rest_of_handle_check_leaf_regs): Ditto.
6833 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6834 (rest_of_handle_gcse): Ditto.
6835 * ipa-type-escape.c (type_escape_execute): Ditto.
6836 * alias.c (rest_of_handle_cfg): Ditto.
6837 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6838 * profile.c (rest_of_handle_branch_prob): Ditto.
6839 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6840 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6841 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6842 * tree-dfa.c (find_referenced_vars): Ditto.
6843 * except.c (set_nothrow_function_flags): Ditto.
6844 (convert_to_eh_region_ranges): Ditto.
6845 (rest_of_handle_eh): Ditto.
6846 * emit-rtl.c (unshare_all_rtl): Ditto.
6847 (remove_unnecessary_notes): Ditto.
6848 * except.h (set_nothrow_function_flags): Ditto.
6849 (convert_to_eh_region_ranges): Ditto.
6850 * cfgexpand.c (tree_expand_cfg): Ditto.
6851 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6852 * tree-ssa-pre.c (do_pre): Ditto.
6853 (execute_fre): Ditto.
6854 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6855 (rest_of_handle_jump2): Ditto.
6856 * tree-sra.c (tree_sra): Ditto.
6857 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6858 (execute_mudflap_function_decls): Ditto.
6859 * tree-ssa-copy.c (do_copy_prop): Ditto.
6860 (do_store_copy_prop): Ditto.
6861 * ipa-prop.h (ipcp_driver): Ditto.
6862 * cfglayout.c (insn_locators_initialize): Ditto.
6863 * tree-ssa-forwprop.c
6864 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6865 * cfglayout.h (insn_locators_initialize): Ditto.
6866 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6867 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6868 (execute_late_warn_uninitialized): Ditto.
6869 * rtl.h (cleanup_barriers): Ditto.
6870 (split_all_insns_noflow): Ditto.
6871 (purge_line_number_notes): Ditto.
6872 (unshare_all_rtl): Ditto.
6873 (remove_unnecessary_notes): Ditto.
6874 (recompute_reg_usage): Ditto.
6875 (variable_tracking_main): Ditto.
6876 * integrate.c (emit_initial_value_sets): Ditto.
6877 * integrate.h (emit_initial_value_sets): Ditto.
6878 * tree-optimize.c (execute_free_datastructures): Ditto
6879 (execute_free_cfg_annotations): Ditto.
6880 (execute_fixup_cfg): Ditto.
6881 (execute_cleanup_cfg_pre_ipa): Ditto.
6882 (execute_cleanup_cfg_post_optimizing): Ditto.
6883 (execute_init_datastructures): Ditto.
6884 * tree-object-size.c (compute_object_sizes): Ditto.
6885 * combine.c (rest_of_handle_combine): Ditto.
6886 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6887 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6888 (rest_of_handle_reorder_blocks): Ditto.
6889 (rest_of_handle_partition_blocks): Ditto.
6890 * var-tracking.c (variable_tracking_main): Ditto.
6891 * tree-profile.c (tree_profiling): Ditto.
6892 * tree-vect-generic.c (expand_vector_operations): Ditto.
6893 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6894 * sched-rgn.c (rest_of_handle_sched): Ditto.
6895 (rest_of_handle_sched2): Ditto.
6896 * basic-block.h (free_bb_insn): Ditto.
6897 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6898 * tree-cfg.c (execute_build_cfg): Ditto.
6899 (remove_useless_stmts): Ditto.
6900 (split_critical_edges): Ditto.
6901 (execute_warn_function_return): Ditto.
6902 (execute_warn_function_noreturn): Ditto.
6903 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6904 * cfgrtl.c (free_bb_for_insn): Ditto.
6905 * passes.c (execute_one_pass): Run additional
6906 todos returned by execute function.
6907 * tree-pass.h (struct tree_opt_pass): Make execute
6910 2006-03-02 Richard Guenther <rguenther@suse.de>
6912 * tree-ssa-alias.c (find_used_portions): Consider taking
6913 the address as making the variable not write-only.
6915 2006-03-02 Nick Clifton <nickc@redhat.com>
6917 * config.gcc (default_use_cxa_atexit): Extend the description of
6918 this configure variable. Set its default value to "yes" for
6919 Linux, NetBSD and ELF targets on the assumption that they will
6920 use C libraries with the __cxa_atexit function.
6922 2006-03-02 Ben Elliston <bje@au.ibm.com>
6924 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6925 parameter as unused to suppress a build warning.
6927 2006-03-02 Ben Elliston <bje@au.ibm.com>
6929 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6932 2006-03-01 Roger Sayle <roger@eyesopen.com>
6935 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6936 declared name, the weak reference name, and the typeof name.
6937 (__gthrw): Avoid expanding the declared name suffix.
6938 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6940 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6942 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6944 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6945 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6946 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6947 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6948 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6949 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6950 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6951 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6952 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6953 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6954 (DW_END_default, DW_END_big, DW_END_little): New.
6955 (DW_END_lo_user, DW_END_hi_user): Define.
6956 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6957 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6958 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6961 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6963 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6965 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6967 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6969 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6971 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6972 to 'symbol_mem_tag'.
6974 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6977 2006-03-01 Roger Sayle <roger@eyesopen.com>
6979 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6981 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6984 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6985 MACHO_DYNAMIC_NO_PIC_P.
6986 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6988 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6991 * config/darwin-protos.h (darwin_asm_output_anchor):
6993 * config/darwin-sections.def (cstring_section):
6994 Add SECTION_MERGE to the flags.
6995 (literal4_section): Likewise.
6996 (literal8_section): Likewise.
6997 (objc_selector_refs_section): Likewise.
6998 (objc_cls_refs_section): Likewise.
6999 * config/darwin.c (darwin_asm_output_anchor): New
7001 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7003 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7005 Fix PR tree-optimization/26443
7006 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7007 to todo and PROP_tmt_usage to properties_destroyed.
7008 * tree-ssa-ccp.c (pass_ccp): Ditto.
7009 (pass_store_ccp): Ditto.
7010 * tree-ssa-dom.c (pass_dominator): Ditto.
7012 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7014 * tree-ssa-operands.c: Cleanup whitespace.
7015 (get_asm_expr_operands): Move before first invocation.
7016 (get_indirect_ref_operands): Likewise.
7017 (get_tmr_operands): Likewise.
7018 (get_call_expr_operands): Likewise.
7019 (append_def): Likewise.
7020 (append_use): Likewise.
7021 (append_v_may_def): Likewise.
7022 (append_v_must_def): Likewise.
7023 (add_call_clobber_ops): Likewise.
7024 (add_call_read_ops): Likewise.
7025 (add_stmt_operand): Likewise.
7026 (add_virtual_operand): Likewise.
7027 (build_ssa_operands): Likewise.
7029 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7034 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7035 with a call expr to ...
7036 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7038 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7040 * tree-vrp.c (extract_range_from_assert): Remove special
7041 handling for types with super-types.
7043 2006-03-01 Ben Elliston <bje@au.ibm.com>
7045 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7046 and powerpc64-*-linux* configurations.
7047 * config/t-dfprules: New file.
7049 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7050 Compile dfp-bit.c from the source directory using -DWIDTH and
7051 $DFP_CFLAGS to control the compilation of that file, rather than
7052 generating width-specific versions in the build directory.
7053 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7054 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7056 2006-02-28 Zack Weinberg <zackw@panix.com>
7058 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7061 2006-02-28 Eric Christopher <echristo@apple.com>
7063 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7064 Set up IN_LIBGCC definition of TARGET_64BIT.
7065 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7067 2006-02-28 Roger Sayle <roger@eyesopen.com>
7070 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7071 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7072 cases via the construction of "expr != 0".
7074 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7076 * alias.c (alias_invariant, alias_invariant_size): Remove.
7077 (record_base_value): Remove.
7078 (memrefs_conflict_p): Don't look at alias_invariant.
7079 (end_alias_analysis): Don't free it.
7080 * alias.h (record_base_value): Remove prototype.
7082 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7083 Adam Nemet <anemet@caviumnetworks.com>
7085 * rtl.h (truncated_to_mode): Declare it.
7086 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7087 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7088 (RTL_HOOKS_INITIALIZER): Include it.
7089 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7090 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7091 reg_truncated_to_mode.
7092 * rtlanal.c (truncated_to_mode): Define it.
7093 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7095 2006-02-28 Jeff Law <law@redhat.com>
7097 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7098 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7099 the range allowed by TYPE_PRECISION.
7101 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7103 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7105 PR tree-optimization/26419
7106 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7109 2006-02-27 Zack Weinberg <zackw@panix.com>
7111 * doc/md.texi: Fix typo in previous change.
7113 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7117 2006-02-27 Zack Weinberg <zackw@panix.com>
7119 * rtl.def (define_constraint, define_register_constraint)
7120 (define_memory_constraint, define_address_constraint): New MD forms.
7121 * gensupport.c (process_rtx): Put define_constraint etc on the
7123 * genpreds.c (process_define_predicate): Adjust comment. Validate
7124 the name, and call validate_exp to validate the expression.
7125 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7126 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7127 all callers changed.
7128 (validate_exp, needs_variable, struct constraint_data)
7129 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7130 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7131 (const_dbl_constraints, constraint_max_namelen)
7132 (have_register_constraints, have_memory_constraints)
7133 (have_address_constraints, have_address_constraints)
7134 (have_extra_constraints, have_const_int_constraints)
7135 (have_const_dbl_constraints, mangle, add_constraint)
7136 (process_define_constraint, process_define_register_constraint)
7137 (write_enum_constraint_num, write_lookup_constraint)
7138 (write_insn_constraint_len, write_regclass_for_constraint)
7139 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7140 (write_insn_extra_memory_constraint)
7141 (write_insn_extra_address_constraint)
7142 (write_satisfies_constraint_fns): New.
7143 (write_tm_preds_h): If we have new-style constraint definitions,
7144 prototype the functions generated from them, and define the
7145 old constraint interface (still used by generic code) in terms of
7147 (write_insn_preds_c): If we have new-style constraint definitions,
7148 generate all relevant functions from those definitions.
7149 (main): Handle define_constraint etc.
7150 * genoutput.c (struct constraint_data, indep_constraints)
7151 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7152 (mdep_constraint_len): New data structures and functions, defined
7153 #ifdef USE_MD_CONSTRAINTS.
7154 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7155 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7156 use new logic to validate operand constraints against constraint
7158 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7160 * defaults.h: If none of the old-style constraint macros are
7161 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7162 old-style macros; and poison REG_CLASS_FROM_LETTER,
7163 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7165 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7166 * doc/md.texi: Document new constraint-definition mechanism and the
7167 C interface it provides. Remove references to old mechanism
7168 elsewhere in the document.
7169 (Machine Constraints): Use pathnames relative to gcc directory,
7170 i.e. config/ARCH/FILE. Change i386 section to refer to
7171 config/i386/predicates.md; update that section to match docstrings.
7172 * doc/tm.texi: Move all documentation of the old constraint-
7173 definition macros to their own section, clearly mark as obsolete.
7175 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7176 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7178 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7179 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7180 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7182 (splits and peepholes): Use satisfies_constraint_*.
7183 * config/i386/i386.c (memory_address_length)
7184 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7186 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7188 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7189 scalar operation to be put back into the loop.
7191 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7194 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7195 (extract_cie_info): Handle S flag in augmentation string.
7196 (execute_cfa_program): If context->signal_frame, execute also
7197 fs->pc == context->ra instructions.
7198 (uw_frame_state_for): If context->signal_frame, don't subtract one
7199 from context->ra to find FDE.
7200 (uw_update_context_1): Set context->signal_frame to
7202 (_Unwind_GetIPInfo): New function.
7203 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7204 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7206 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7207 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7208 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7209 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7210 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7211 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7212 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7213 x86_64_fallback_frame_state): Set fs->signal_frame.
7214 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7215 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7216 (frob_update_context): Likewise. Workaround missing S flag in
7217 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7218 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7219 Remove the psw_addr + 1 hack.
7221 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7223 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7224 with aggregates here.
7225 (find_func_aliases): Remove code for &<aggregate> from here.
7227 2006-02-26 Roger Sayle <roger@eyesopen.com>
7229 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7230 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7231 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7234 2006-02-26 Roger Sayle <roger@eyesopen.com>
7237 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7239 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7241 * opts.c (decode_options): Do not handle flag_strength_reduce.
7242 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7243 and OPT_fstrength_reduce.
7244 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7245 flag_prefetch_loop_arrays for being nonzero.
7246 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7248 (fprefetch-loop-arrays-rtl): Removed.
7249 (flag_prefetch_loop_arrays): Do not specify the value.
7251 * doc/passes.texi: Update documentation of loop optimizer
7253 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7254 -frerun-loop-opt): Remove.
7256 2006-02-26 Richard Guenther <rguenther@suse.de>
7258 PR tree-optimization/26421
7259 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7260 in function calls that are ADDR_EXPRs as using the whole structure.
7262 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7264 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7265 * tree-pass.h (pass_loop_optimize): Remove.
7266 * passes.c (pass_loop_optimize): Never run it.
7267 * toplev.c (backend_init): Don't call init_loop.
7268 * opts.c (flag_loop_optimize_set): Remove.
7269 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7270 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7271 the old RTL loop optimizer when profiling enabled.
7272 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7273 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7274 pre-headers for the sake of the old RTL loop optimizer.
7275 * Makefile.in: Remove all references to loop.o.
7277 * doc/invoke.texi: Remove all references to -floop-optimize
7278 and -frerun-loop-opt.
7280 2006-02-26 Zack Weinberg <zackw@panix.com>
7282 * doc/md.texi (Machine Constraints): Refer to all files with paths
7283 relative to gcc directory (i.e. config/CPU/file). Add missing
7284 @table @code ... @end table to M32C subsection.
7286 2006-02-26 Roger Sayle <roger@eyesopen.com>
7288 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7290 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7292 2006-02-26 Roger Sayle <roger@eyesopen.com>
7293 James A. Morrison <phython@gcc.gnu.org>
7296 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7297 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7298 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7299 signedness of the shift operation.
7301 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7303 PR tree-optimization/26359
7304 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7306 2006-02-25 Roger Sayle <roger@eyesopen.com>
7308 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7309 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7310 as X == 0, and some symmetry related transformations.
7311 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7313 2006-02-25 Roger Sayle <roger@eyesopen.com>
7316 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7317 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7318 symmetry related transformations. Fold (X^C1) == C2 as
7321 2006-02-25 Juergen Weigert <jw@suse.de>
7322 Richard Guenther <rguenther@suse.de>
7324 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7326 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7328 * combine.c (gen_lowpart_or_truncate): Call
7329 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7331 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7333 * doc/invoke.texi: Move -fopenmp description to "Options for
7335 Remove reference to -lgomp.
7337 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7339 * doc/install.texi: Require GNU tar version 1.14.
7341 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7343 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7344 * doc/invoke.texi (C++ Dialect Options): Document
7345 -fno-use-cxa-get-exception-ptr.
7346 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7347 * configure: Regenerate.
7348 * c.opt (fuse-cxa-get-exception-ptr): New.
7349 * c-opts.c (c_common_handle_option): Handle
7350 OPT_fuse_cxa_get_exception_ptr.
7351 * c-common.c (flag_use_cxa_atexit): Update documentation.
7352 (flag_use_cxa_get_exception_ptr): New.
7353 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7354 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7356 (C_COMMON_OVERRIDE_OPTIONS): New.
7358 2006-02-24 Roger Sayle <roger@eyesopen.com>
7361 * combine.c (try_combine): Explicitly check whether GET_CODE is
7362 a SET or a CLOBBER, instead on checking that it isn't a USE.
7364 2006-02-24 Roger Sayle <roger@eyesopen.com>
7366 * fold-const.c (fold_comparison): New subroutine of fold_binary
7367 containing transformations common to both the equality and
7368 ordering relational operators, factored out of fold_binary.
7369 (fold_binary): Separate out the equality operators (EQ_EXPR
7370 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7371 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7372 transformations common to both.
7373 (fold_div_compare): Fix latent bugs in the previously unreachable
7374 LT_EXPR and GE_EXPR cases.
7376 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7378 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7379 decl libname for clog to __clog on AIX.
7381 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7383 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7386 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7387 output traceback table for thunks. Localise rs6000_stack_info call.
7389 2006-02-23 Roger Sayle <roger@eyesopen.com>
7390 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7392 * gthr-posix.h (__gthrw): Fix typo in comment.
7394 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7396 * doc/cpp.texi (Character sets): Document that we do support
7397 input files to be in any character set.
7399 2006-02-23 Jeff Law <law@redhat.com>
7401 * tree.h (PHI_ARG_NONZERO): Remove.
7402 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7403 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7404 node to the new node.
7406 PR tree-optimization/26425
7407 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7408 min/max, then assume its varying.
7410 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7412 PR rtl-optimization/26316
7413 * rtlanal.c (enum may_trap_p_flags): New.
7414 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7415 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7416 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7417 (may_trap_after_code_motion_p): New function.
7418 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7419 (find_invariant_insn): Use may_trap_after_code_motion_p.
7420 * rtl.h (may_trap_after_code_motion_p): Declare.
7422 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7424 * emit-rtl.c (immed_double_const): Cleanup.
7426 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7428 Fix PR tree-optimization/26376
7429 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7432 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7435 * gimplify.c (omp_add_variable): Guard variable size decl test with
7436 DECL_SIZE (decl) check.
7438 2006-02-23 Richard Guenther <rguenther@suse.de>
7441 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7442 like aggregate types.
7444 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7446 * configure.ac: Add --with{,out}-long-double-128 configure option.
7447 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7448 * configure: Rebuilt.
7449 * config.in: Rebuilt.
7450 * doc/install.texi (Options specification): Document
7451 --with-long-double-128.
7453 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7454 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7455 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7456 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7458 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7460 * config/s390/s390.c (override_options): Handle
7461 TARGET_DEFAULT_LONG_DOUBLE_128.
7463 * config/alpha/alpha.c (override_options): Handle
7464 TARGET_DEFAULT_LONG_DOUBLE_128.
7466 * config/sparc/sparc.c (sparc_override_options): Handle
7467 TARGET_DEFAULT_LONG_DOUBLE_128.
7469 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7471 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7472 (real-install-headers-tar, real-install-headers-cpio)
7473 (real-install-headers-cp): New targets.
7475 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7477 * tree.h (variable_section): Delete.
7478 * varasm.c (variable_section): Delete.
7480 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7482 * install.texi: Add notes on install.texi2html.
7483 (Building in parallel): Do not use footnotes.
7485 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7488 * doc/install.texi (Configuration): Document --disable-libgomp.
7490 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7492 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7494 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7496 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7497 (vec_extractv2df_0_sse): New.
7499 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7501 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7502 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7503 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7504 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7505 to the result of the expression.
7506 (def_cfa_1): Adjust.
7507 (frame_pointer_cfa_offset): Rename to...
7508 (frame_pointer_fb_offset): ... this. Adjust all uses.
7509 (convert_cfa_to_loc_list): Rename to...
7510 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7511 Pass it on to build_cfa_loc.
7512 (compute_frame_pointer_to_cfa_displacement): Rename to...
7513 (compute_frame_pointer_to_fb_displacement): ... this. New
7514 offset parameter. Use it in computation.
7515 (gen_subprogram_die): Compute cfa_fb_offset with the new
7516 macro, and use it to compute the fb loc list and the
7519 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7521 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7522 replaced with register_operand.
7523 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7524 non-DREG is expensive.
7525 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7526 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7529 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7531 * doc/install.texi2html: Use set -e.
7533 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7535 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7536 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7537 * doc/invoke.texi (-fshared-data): Delete.
7538 * common.opt (fshared-data): Delete.
7539 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7540 (assemble_static_space): Remove #if 0 code.
7541 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7542 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7543 * config/cris/cris.h: Remove FIXME.
7545 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7547 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7550 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7553 * combine.c (simplify_shift_const_1): Disable nested shifts
7554 optimization for vector shifts.
7556 2006-02-20 Roger Sayle <roger@eyesopen.com>
7558 PR tree-optimization/26361
7559 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7560 of unsigned integer types.
7562 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7564 * tree-chrec.c (eq_evolutions_p): New.
7565 * tree-chrec.h (eq_evolutions_p): Declared.
7566 * tree-data-ref.c: Fix formatting.
7567 (datadep_stats, dependence_stats): New.
7569 (print_direction_vector): New.
7570 (dump_data_dependence_relation): Use print_direction_vector.
7571 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7572 (compute_subscript_distance): Static.
7573 (initialize_data_dependence_relation): Static. Get the number
7574 of loops surrounding the references from the callers, and initialize
7575 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7576 base_object_differ_p analyzers.
7577 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7578 compute_overlap_steps_for_affine_1_2,
7579 analyze_subscript_affine_affine): Count the classified dependences.
7580 Print a message when a test failed.
7581 (can_use_analyze_subscript_affine_affine): New.
7582 (analyze_siv_subscript): Compute the data dependences on symbolic
7583 scevs that verify can_use_analyze_subscript_affine_affine.
7584 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7585 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7586 Handle symbolic scevs.
7587 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7589 (subscript_dependence_tester): Moved...
7590 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7591 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7592 DDR_SIZE_VECT instead of getting it in parameter.
7593 (subscript_dependence_tester): ... here. Take as a parameter
7594 loop_nest_depth. Call build_classic_dist_vector and
7595 build_classic_dir_vector.
7596 (compute_affine_dependence): Update subscript_dependence_tester
7597 parameters. Update datadep_stats counters. Call
7598 compute_subscript_distance.
7599 (compute_self_dependence): Save the dist and dir vectors. Call
7600 compute_subscript_distance.
7601 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7602 (compute_all_dependences): Reorder parameters as they were before
7603 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7604 compute_subscript_distance. Update the use of
7605 compute_affine_dependence and initialize_data_dependence_relation.
7606 (find_data_references_in_loop): Handle COMPONENT_REF.
7607 (compute_data_dependences_for_loop): Initialize dependence_stats.
7608 Don't call build_classic_dist_vector and build_classic_dir_vector.
7609 Update the parameters of initialize_data_dependence_relation and
7610 compute_all_dependences. Print the statistics from datadep_stats.
7611 (analyze_all_data_dependences): Static. Not used until the pass for
7612 checking the data dependences is contributed.
7613 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7614 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7615 (initialize_data_dependence_relation, compute_affine_dependence,
7616 analyze_all_data_dependences, compute_subscript_distance): Removed.
7617 (print_direction_vector): New.
7618 * lambda.h (gcd): ... here.
7619 (lambda_vector_gcd): Moved here from gcd_vector.
7620 * lambda-code.c (gcd, gcd_vector): Removed.
7621 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7622 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7624 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7626 * ipa-type-escape.c: Tidy some comments and white space.
7627 * tree-ssa-operands.c: Likewise.
7629 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7632 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7633 (dump_decl_name): Do not walk the decl tree chains.
7634 * tree-pass.h (TDF_CHAIN): Remove.
7636 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7638 * Makefile.in (C): Remove
7640 (.PHONY): Remove C and PROTO
7642 2006-02-20 Roger Sayle <roger@eyesopen.com>
7645 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7646 deprecated CHAR_TYPE tree code.
7648 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7650 * configure.ac (target_list): Add install-info, dvi, html.
7651 * configure: Regenerate.
7653 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7654 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7655 treelang/Make-lang.in: Do not use double-colon rules.
7657 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7659 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7660 (TMT_USED_ALONE): New macro.
7661 * tree-pass.h (PROP_tmt_usage): New property.
7662 (TODO_update_tmt_usage): New todo.
7663 * tree-ssa-alias.c (updating_used_alone): New variable.
7664 (recalculate_used_alone): New function.
7665 (compute_may_aliases): Set updating_used_alone, call
7666 recalculate_used_alone.
7667 * tree-sra.c (pass_sra): Note that this pass destroys
7668 PROP_tmt_usage, and add TODO_update_tmt_usage.
7669 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7670 * tree-flow.h (updating_used_alone): Prototype.
7671 (recalculate_used_alone): Ditto.
7672 * passes.c (execute_todo): Add code to set updating_used_alone,
7673 and call recalculate.
7674 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7675 for clobber if used alone, and add assert to verify used_alone
7678 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7680 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7681 for non tls symbols added.
7682 (legitimize_address): Do nothing for PLUS expressions if one of the
7683 addends is a tls symbol reference.
7685 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7689 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7691 * Makefile.in (BOOTSTRAPPING): New.
7692 (quickstrap): New definition if BOOTSTRAPPING=yes.
7694 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7695 * configure.ac: Substitute all_selected_languages with the languages
7696 that were configured. For all the other variables except
7697 lang_specs_files, include all the languages in the tree.
7698 * configure: Regenerate.
7700 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7701 if there is one. Run the commands to run fixincludes in the same
7704 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7705 * doc/install.texi: Document exact conventions for searching target tools.
7706 Document --with-build-time-tools. Document toplevel bootstrap. Document
7707 something more about building an Ada cross-compiler. Don't list GNU Make
7708 requirements which affect all platforms.
7710 2006-02-19 Roger Sayle <roger@eyesopen.com>
7713 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7714 only equivalent if the have both the same mode and precision.
7716 2006-02-20 Ben Elliston <bje@au.ibm.com>
7718 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7720 2006-02-19 Roger Sayle <roger@eyesopen.com>
7721 Steven Bosscher <stevenb.gcc@gmail.com>
7723 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7724 constant pool references to identify stack mode constants.
7725 * rtlanal.c (constant_pool_constant_p): New predicate to check
7726 whether operand is a floating point constant in the pool.
7727 * rtl.h (constant_pool_constant_p): Prototype here.
7728 * loop.c (scan_loop): Avoid hoisting constants from the constant
7729 pool on STACK_REGS targets.
7730 (load_mems): Likewise.
7731 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7732 loads into x87 registers expensive in terms of register pressure.
7734 2006-02-19 Roger Sayle <roger@eyesopen.com>
7736 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7737 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7739 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7741 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7742 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7744 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7746 * doc/invoke.texi: Document -fipa-pta.
7747 * common.opt: Add ipa-pta option.
7748 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7749 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7750 (do_ds_constraint): Ditto.
7751 (get_constraint_for): Only add to referenced_vars if
7752 referenced_vars exists.
7753 (insert_into_field_list): Rewrite to do this unsorted.
7754 (insert_into_field_list_sorted): Rename old insert_into_field_list
7756 (create_function_info_for): Use insert_into_field_list_sorted.
7757 (create_variable_info_for): Rewrite so it uses unsorted version,
7758 since the field list is sorted.
7759 (intra_create_variable_infos): Only add to referenced_vars if
7760 referenced_vars exists.
7761 (ipa_pta_execute): Init heapvars, and delete when done.
7762 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7764 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7766 * doc/install.texi: Add missing `@samp'.
7768 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7770 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7773 2006-02-18 Mark Wielaard <mark@klomp.org>
7775 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7776 who added new 4.1 features, bug fixes and integration support.
7778 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7781 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7784 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7786 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7787 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7788 (copy_insn_1): Likewise. Don't copy each field individually.
7790 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7792 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7793 * rtl.c (rtx_size): Rename variable to...
7794 (rtx_code_size): ...this.
7795 (rtx_size): New function.
7796 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7797 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7799 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7800 * rtl.h (rtx_code_size): New variable.
7801 (rtx_size): Change from a variable to a function.
7802 (RTX_SIZE): Rename to...
7803 (RTX_CODE_SIZE): ...this.
7806 PR tree-optimization/17106
7807 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7808 (Anchored Addresses): New section.
7809 * doc/invoke.texi (-fsection-anchors): Document.
7810 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7811 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7812 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7813 * hooks.c (hook_bool_mode_rtx_false): New function.
7814 * hooks.h (hook_bool_mode_rtx_false): Declare.
7815 * gengtype.c (create_optional_field): New function.
7816 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7817 SYMBOL_REF_IN_BLOCK_P is true.
7818 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7819 (min_anchor_offset, max_anchor_offset): Likewise.
7820 (use_anchors_for_symbol_p): New hook.
7821 * toplev.c (compile_file): Call output_object_blocks.
7822 (target_supports_section_anchors_p): New function.
7823 (process_options): Check that -fsection-anchors is only used on
7824 targets that support it and when -funit-at-a-time is in effect.
7825 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7826 if the decl doesn't have one.
7827 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7828 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7829 of force_const_mem through use_anchored_address.
7830 (expand_expr_constant): New function.
7831 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7832 calling expand_expr for INDIRECT_REF.
7833 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7834 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7835 * expr.h (use_anchored_address): Declare.
7836 * loop-unroll.c: Don't declare rtx vectors here.
7837 * explow.c: Include output.h.
7838 (validize_mem): Call use_anchored_address.
7839 (use_anchored_address): New function.
7840 * common.opt (-fsection-anchors): New switch.
7841 * varasm.c (object_block_htab, anchor_labelno): New variables.
7842 (hash_section, object_block_entry_eq, object_block_entry_hash)
7843 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7844 (use_blocks_for_decl_p, change_symbol_section): New functions.
7845 (get_variable_section): New function, split out from assemble_variable.
7846 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7847 use_blocks_for_decl_p say so. Use change_symbol_section if the
7848 symbol has already been created.
7849 (assemble_variable_contents): New function, split out from...
7850 (assemble_variable): ...here. Don't output any code for
7851 block symbols; just pass them to place_block_symbol.
7852 Use get_variable_section and assemble_variable_contents.
7853 (get_constant_alignment, get_constant_section, get_constant_size): New
7854 functions, split from output_constant_def_contents.
7855 (build_constant_desc): Create a block symbol if use_object_blocks_p
7856 says so. Or into SYMBOL_REF_FLAGS.
7857 (assemble_constant_contents): New function, split from...
7858 (output_constant_def_contents): ...here. Don't output any code
7859 for block symbols; just pass them to place_section_symbol.
7860 Use get_constant_section and get_constant_alignment.
7861 (force_const_mem): Create a block symbol if use_object_blocks_p and
7862 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7863 (output_constant_pool_1): Add an explicit alignment argument.
7864 Don't switch sections here.
7865 (output_constant_pool): Adjust call to output_constant_pool_1.
7866 Switch sections here instead. Don't output anything for block symbols;
7867 just pass them to place_block_symbol.
7868 (init_varasm_once): Initialize object_block_htab.
7869 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7870 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7871 (place_block_symbol, get_section_anchor, output_object_block)
7872 (output_object_block_htab, output_object_blocks): New functions.
7873 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7874 (TARGET_ASM_OUT): Include it.
7875 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7876 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7877 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7878 (TARGET_INITIALIZER): Include them.
7879 * rtl.c (rtl_check_failed_block_symbol): New function.
7880 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7881 (block_symbol, object_block): New structures.
7882 (rtx_def): Add a block_symbol field to the union.
7883 (BLOCK_SYMBOL_CHECK): New macro.
7884 (rtl_check_failed_block_symbol): Declare.
7885 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7886 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7887 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7888 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7889 * output.h (output_section_symbols): Declare.
7890 (object_block): Name structure.
7891 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7892 (default_use_anchors_for_symbol_p): Declare.
7893 * Makefile.in (RTL_BASE_H): Add vec.h.
7894 (explow.o): Depend on output.h.
7895 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7896 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7897 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7898 (rs6000_use_blocks_for_constant_p): New function.
7900 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7902 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7904 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7907 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7910 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7912 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7916 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7919 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7920 instead of DECL_REGISTER.
7922 2006-02-18 Olivier Hainque <hainque@adacore.com>
7925 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7927 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7930 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7931 * opth-gen.awk: Handle Var and InverseMask together.
7932 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7933 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7934 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7935 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7937 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7938 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7939 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7940 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7941 LINUX_DYNAMIC_LINKER): Define.
7942 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7943 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7945 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7946 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7947 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7948 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7949 (TARGET_C99_FUNCTIONS): Don't define.
7950 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7951 GLIBC_DYNAMIC_LINKER.
7952 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7953 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7954 GLIBC_DYNAMIC_LINKER64): Define.
7955 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7956 LINUX_DYNAMIC_LINKER64.
7957 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7958 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7959 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7960 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7961 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7963 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7964 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7965 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7966 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7967 and LINUX_DYNAMIC_LINKER32.
7968 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7969 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7970 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7971 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7972 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7974 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7975 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7976 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7977 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7978 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7979 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7980 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7981 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7982 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7983 LINUX_DYNAMIC_LINKER): Define.
7984 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7985 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7986 GLIBC_DYNAMIC_LINKER64): Define.
7987 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7988 LINUX_DYNAMIC_LINKER64.
7989 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7990 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7991 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7992 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7993 LINUX_DYNAMIC_LINKER): Define.
7994 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7995 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7996 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7997 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7998 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7999 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8000 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8001 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8002 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8003 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8004 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8005 * doc/invoke.texi (-muclibc): Remove caveat about supported
8008 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8010 * doc/cpp.texi (__TIMESTAMP__): Document.
8012 2006-02-17 Roger Sayle <roger@eyesopen.com>
8015 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8016 C is one less than the width of X (and related transformations).
8017 * simplify-rtx.c (simplify_unary_operation_1): Transform
8018 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8019 depending on STORE_FLAG_VALUE, were C is one less then the
8022 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8024 Fix PR tree-optimization/26341
8025 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8026 about NAME_MEMORY_TAG's.
8028 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8031 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8032 with hardware float support, and software float support. Add fcpy
8033 alternative to hardware patterns. Add alternatives to copy between
8034 general and floating-point registers to the 32-bit pattern.
8035 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8036 secondary reload to load a QI or HI mode constant into a floating
8038 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8039 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8041 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8044 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8046 (load_macho_picbase_di): Likewise.
8048 2006-02-16 Jeff Law <law@redhat.com>
8050 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8051 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8052 (ssa_name_nonzero_p): Likewise.
8053 (get_value_range): Return NULL if VRP is not running.
8054 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8055 VRP routines do not discover a range.
8056 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8057 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8058 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8059 (tree_expr_nonnegative_p): Similarly.
8060 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8061 (restore_nonzero_vars_to_original_value): Remove.
8062 (unsafe_associative_fp_binop): Remove.
8063 (tree_ssa_dominator_optimize): Remove initialization and
8064 finalization of nonzero_vars and nonzero_vars_stack.
8065 (dom_opt_initialize_block): No longer push marker on
8067 (dom_opt_finalize_block): No longer call
8068 restore_nonzero_vars_to_original_value.
8069 (record_equivalences_from_phis): No longer look for
8070 nonzero PHI arguments.
8071 (cprop_into_successor_phis): No longer propagate nonzero
8072 property into PHI arguments. Lose unused argument. Caller
8074 (record_equivalences_from_stmt): No longer record nonzero
8075 values for SSA_NAMEs.
8076 (lookup_avail_expr): No longer use nonzero_vars.
8078 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8079 for sizetype when sizetype is unsigned.
8081 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8083 PR rtl-optimization/25603
8084 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8085 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8086 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8087 with new meaning of SETS.
8089 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8094 * config/linux.opt: New file.
8095 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8096 LINUX_DYNAMIC_LINKER): Define.
8097 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8098 * config.gcc (*-*-linux*): Define extra_options.
8099 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8100 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8101 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8102 GLIBC_DYNAMIC_LINKER.
8103 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8104 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8105 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8106 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8107 * doc/invoke.texi (GNU/Linux Options): New section.
8109 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8111 * config/sparc/sparc.md (setjmp): Rewrite.
8112 (setjmp_32): Delete.
8113 (setjmp_64): Likewise.
8115 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8117 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8120 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8122 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8125 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8127 PR rtl-optimization/26296
8128 * Makefile.in (loop-invariant.c): Add except.h dependency.
8129 * loop-invariant.c: Include except.h.
8130 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8132 2005-02-16 Paul Brook <paul@codesourcery.com>
8134 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8137 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8139 PR rtl-optimization/25636
8140 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8141 when deciding whether an insn is an initializing insn.
8143 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8145 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8146 (tree_code_size): Ditto.
8147 * tree.h (struct tree_memory_tag): Remove parent_var.
8148 (struct tree_struct_field_tag): New.
8151 (union tree_node): Add sft member.
8152 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8154 (create_sft): Add size and offset argument, set SFT_OFFSET and
8156 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8157 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8158 * tree-flow-inline.h (get_subvar_at): Update for
8159 SFT_OFFSET/SFT_SIZE.
8160 (var_can_have_subvars): Ditto.
8161 (overlap_subvar): Ditto.
8162 * print-tree.c (print_node): Print out interesting things for
8164 * tree-flow.h (struct subvar): Remove offset and size members.
8165 * tree-ssa-operands.c (get_expr_operands): Update for
8166 get_indirect_ref_operands changes.
8167 (get_indirect_ref_operands): Call add_virtual_operand instead of
8168 add_stmt_operand. Only recurse on base var if requested.
8169 (access_can_touch_variable): New function.
8170 (add_stmt_operand): Split virtual operand handling into ...
8171 (add_virtual_operand): Here. Add offset, size, and for_clobber
8172 arguments. Prune alias sets.
8173 (add_call_clobber_ops): Call add_virtual_operand.
8175 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8178 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8180 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8181 than TREE_CODE as index into omp_clause_num_ops array.
8183 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8185 PR rtl-optimization/26184
8186 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8188 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8189 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8190 must_precede, must_follow and tobe_scheduled.
8193 * opts.c (common_handle_option): Free new_option pointer.
8194 * df-core.c (df_analyze): Free postorder pointer.
8196 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8198 * Makefile.in: Fix the examples about the use of stamps
8200 2006-02-15 Michael Matz <matz@suse.de>
8204 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8205 influenced by maximum_field_alignment or DECL_PACKED.
8206 (update_alignment_for_field): Ditto.
8207 (place_field): Ditto.
8208 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8211 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8213 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8214 (debug_flow_info): Pass it.
8215 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8216 * bb-reorder.c (reorder_basic_blocks): Likewise.
8217 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8218 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8219 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8220 * gcse.c (gcse_main, bypass_jumps): Likewise.
8221 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8222 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8223 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8224 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8225 * rtl.h (dump_flow_info): Adjust prototype.
8226 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8227 * var-tracking.c (variable_tracking_main): Likewise.
8228 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8229 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8232 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8234 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8237 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8239 PR tree-optimization/26209
8240 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8241 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8243 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8245 2006-02-14 Roger Sayle <roger@eyesopen.com>
8248 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8249 (X,Y) and the corresponding symmetry related transformations.
8250 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8251 (X,Y) and its symmetry related transformations.
8253 2006-02-14 Roger Sayle <roger@eyesopen.com>
8255 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8258 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8260 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8262 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8265 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8266 support COMDAT group.
8267 * configure: Regenerate.
8269 2006-02-14 Roger Sayle <roger@eyesopen.com>
8274 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8276 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8278 Fix PR tree-optimization/26260
8280 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8282 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8283 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8284 * tree-ssa-structalias.c (create_variable_info_for): Use
8285 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8287 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8289 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8291 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8292 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8293 of the ending condition.
8294 * tree-ssa-loop-manip.c: Include params.h.
8295 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8296 tree_unroll_loop): New functions.
8297 * tree-pass.h (pass_loop_prefetch): Declare.
8298 * loop.c (rest_of_handle_loop_optimize): Test for
8299 -fprefetch-loop-arrays-rtl.
8300 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8301 * timevar.def (TV_TREE_PREFETCH): New timevar.
8302 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8303 pass_loop_prefetch): New.
8304 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8305 (cleanup_tree_cfg_loop): Call scev_reset.
8306 * common.opt (fprefetch-loop-arrays-rtl): Add.
8307 * tree-ssa-loop-prefetch.c: New file.
8308 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8309 (new_temp_expr_table): Initialize expr_vars.
8310 (free_temp_expr_table): Cleanup expr_vars.
8311 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8312 expressions from being merged into one.
8313 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8314 (struct tree_niter_desc): Add control, bound and cmp fields.
8315 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8317 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8318 (tree-cfgcleanup.o): Add SCEV_H dependency.
8319 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8320 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8322 2006-02-14 Richard Guenther <rguenther@suse.de>
8324 PR tree-optimization/26258
8325 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8326 in PHI argument processing.
8328 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8330 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8331 new expression in the requested machine mode.
8333 2006-02-13 Roger Sayle <roger@eyesopen.com>
8335 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8336 directly, instead let do_compare_rtx_and_jump handle this for us.
8337 * expr.c (expand_expr_real_1): Likewise.
8338 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8339 before do_jump_by_parts_greater.
8340 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8341 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8343 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8345 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8347 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8349 PR rtl-optimization/26235
8350 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8351 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8354 2006-02-13 Jeff Law <law@redhat.com>
8356 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8359 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8362 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8363 twice if decl is a builtin. When trying again, call get_callee_fndecl
8364 first to verify it is still a builtin.
8366 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8368 * dwarf2out.c (base_type_die): Don't add AT_name here.
8369 (subrange_type_die): Don't add AT_name here.
8370 (modified_type_die): Rearrange code flow. Do add AT_name here.
8372 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8374 PR rtl-optimization/26247
8375 PR rtl-optimization/26248
8376 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8378 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8380 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8381 * config/fixtfdi.c: Likewise.
8382 * config/fixunstfdi.c: Likewise.
8383 * config/floatditf.c: Likewise.
8385 2006-02-13 Roger Sayle <roger@eyesopen.com>
8388 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8389 into (X,C2) if C1 is a subset of the bits of C2. Transform
8390 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8392 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8394 2006-02-13 Josh Conner <jconner@apple.com>
8397 * varasm.c (function_section): Check for section name before
8398 calling select_section on targets that define
8399 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8400 unlikely_text_section instead of hot_function_section if
8401 first_function_block_is_cold.
8403 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8406 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8408 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8410 PR rtl-optimization/26222
8411 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8412 after tree->rtl expansion.
8413 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8414 before passing it to emit_move_insn.
8416 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8418 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8420 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8421 Clarify documentation.
8422 * c-common.h (warn_write_strings): Remove.
8423 * c-common.c (warn_write_strings): Likewise.
8424 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8427 2006-02-12 Roger Sayle <roger@eyesopen.com>
8430 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8431 (do_jump_parts_zero_rtx): New function renamed from
8432 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8433 (do_jump_parts_equality_rtx): New function split out from
8434 do_jump_parts_equality. Old implementation renamed as above.
8435 Call do_jump_parts_zero_rtx if either operand is zero.
8436 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8437 do all of the heavy lifting.
8438 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8439 calling either do_jump_by_parts_greater_rtx or
8440 do_jump_by_parts_equality_rtx.
8441 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8442 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8443 moved to do_compare_rtx_and_jump, call it directly.
8444 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8445 mode argument. Call do_compare_rtx_and_jump.
8446 (emit_case_nodes): Update calls to do_jump_if_equal.
8448 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8450 PR rtl-optimization/26225
8451 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8453 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8455 PR rtl-optimization/26232
8456 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8458 2006-02-11 Jason Merrill <jason@redhat.com>
8461 * tree-inline.c (declare_return_variable): Just don't use the
8462 modify target if it's a gimple complex reg and the return slot
8465 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8467 * doc/contrib.texi: Update my entry.
8469 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8471 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8473 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8475 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8478 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8480 * doc/invoke.texi (-floop-optimize2): Removed.
8481 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8482 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8483 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8484 * common.opt (floop-optimize2): Removed.
8485 (fmove-loop-invariants): Enabled by default.
8487 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8489 * tree-if-conv.c (combine_blocks): Free the result of
8490 get_loop_exit_edges.
8492 2006-02-10 Jeff Law <law@redhat.com>
8494 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8496 PR tree-optimization/26213
8497 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8498 loop trying to follow SSA_NAME_VALUE chains.
8500 2006-02-10 Richard Guenther <rguenther@suse.de>
8502 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8503 deal with structures that end in implicitly variable sized arrays.
8505 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8507 PR rtl-optimization/24762
8508 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8511 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8513 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8514 (struct ivopts_data): Add regs_used field.
8515 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8516 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8517 instead of loop_data->regs_used;
8518 (free_loop_data): Do not free aux fields for loops.
8519 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8520 and tree_ssa_iv_optimize_finalize.
8522 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8524 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8526 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8529 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8530 computing the effective result type.
8532 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8535 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8536 (tree_overlaps_hard_reg_set): Declare.
8537 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8538 type and signature to match function type expected by walk_tree.
8539 (tree_overlaps_hard_reg_set): New function.
8540 (decl_conflicts_with_clobbers_p): Rename to:
8541 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8542 Use tree_overlaps_hard_reg_set. Changed caller.
8543 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8544 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8545 * cris.c (cris_md_asm_clobbers): Likewise.
8547 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8549 * reload1.c (emit_input_reload_insns): Delete code that tries to
8550 inherit using find_equiv_reg.
8552 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8554 * c-common.h (flag_const_strings): Don't declare.
8555 * c-common.c (flag_const_strings): Remove.
8556 * c.opt (fconst_strings): Remove.
8557 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8558 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8559 (c_common_init_options): Don't set flag_const_strings.
8560 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8562 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8564 * arm.md (tlobits_cbranch): New pattern.
8565 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8566 testing a single bit.
8568 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8571 * tree-ssa-pre.c (create_component_ref_by_pieces):
8572 Handle RETURN_DECL like VAR_DECL.
8574 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8577 * fold-const.c (fold_indirect_ref_1): Fold
8578 "*(foo *)&complexfoo" to "__real__ complexfoo"
8579 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8581 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8583 * tree-flow-inline.h (var_can_have_subvars):
8584 Volatile variables should not have subvariables.
8586 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8589 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8590 multiplying unsigned values.
8593 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8595 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8597 2006-02-08 Jason Merrill <jason@redhat.com>
8600 * tree.def: Elaborate on difference from MODIFY_EXPR.
8601 * doc/c-tree.texi (INIT_EXPR): Likewise.
8602 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8603 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8604 (gimplify_target_expr): Likewise.
8605 (gimplify_cond_expr): Remove target handling.
8606 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8607 (gimplify_expr): Clobber it here.
8608 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8609 Do return slot optimization if we have an INIT_EXPR.
8612 * tree-inline.c (declare_return_variable): Also clear
8613 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8616 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8619 * gimplify.c (gimplify_one_sizepos): Fix typo.
8621 2006-02-08 Jeff Law <law@redhat.com>
8623 PR tree-optimization/21417
8624 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8625 across a backedge if the control statement at the end of the
8626 block is data dependent on other statements in the same block.
8627 (record_temporary_equivalences_from_stmts): Remove over-conservative
8628 test for threading across backedges.
8630 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8631 control statement, handle all three special cases in the same
8632 manner as they all have the same desired solution. No longer
8633 special case edge flag updating when the post dominator is
8636 2006-02-08 Roger Sayle <roger@eyesopen.com>
8638 * tree.def (CHAR_TYPE): Remove.
8639 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8640 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8641 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8642 (gen_string_type_die): Delete unreachable function.
8644 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8645 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8646 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8647 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8648 * builtins.c (type_to_class): Likewise.
8649 * fold-const.c (fold_convert, build_range_check,
8650 merge_ranges): Likewise.
8651 * expr.c (count_type_elements): Likewise.
8652 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8653 * stor-layout.c (layout_type): Likewise.
8654 * ipa-type-escape.c (type_to_consider): Likewise.
8655 * gimplify.c (omp_firstprivatize_type_sizes,
8656 gimplify_type_sizes): Likewise.
8657 * explow.c (promote_mode): Likewise.
8658 * tree-sra.c (is_sra_scalar_type): Likewise.
8659 * varasm.c (output_constant): Likewise.
8660 * tree-inline.c (remap_type_1): Likewise.
8661 * convert.c (convert_to_pointer, convert_to_real,
8662 convert_to_integer, convert_to_complex): Likewise.
8664 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8666 * df-scan.c (df_def_record_1): A set destination may
8667 be a parallel regardless of mode.
8669 2006-02-08 Roger Sayle <roger@eyesopen.com>
8672 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8673 * config/mips/_tilib.c: Remove.
8674 * config/fixtfdi.c: New libgcc source file.
8675 * config/fixunstfdi.c: New source file.
8676 * config/floatditf.c: New source file.
8677 * config/floatunditf.c: New souce file.
8678 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8679 files above instead of config/mips/_tilib.c.
8680 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8682 2006-02-08 Jeff Law <law@redhat.com>
8684 PR tree-optimization/26169
8685 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8688 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8690 * df.h (DF_REG_SIZE): Return the length of the initialized
8693 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8695 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8696 __muldf3): Return a correctly signed zero.
8698 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8700 * passes.c (register_one_dump_file): Accept the current properties
8701 instead of pass number. Adjust call to dump_register. Remove
8703 (register_dump_files): Now a wrapper around...
8704 (register_dump_files_1): ... this one. Do not modify the pass
8706 (next_pass_1): Cosmetic fix.
8707 (execute_todo): Keep second parameter only. Use curr_properties
8708 instead of fetching it from the pass structure. Check and set
8710 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8711 instead of fetching it from the pass structure. Fix calls to
8712 execute_todo. Update curr_properties and initialize .vcg RTL dump
8713 after running the pass. Reset last_verified.
8714 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8716 (FIRST_AUTO_NUMBERED_DUMP): New.
8717 (dump_register): Remove "num" parameter, assign it within the
8719 (get_dump_file_name): Modify template for dumps.
8720 * tree-dump.h (dump_register): Adjust prototype.
8721 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8722 (PROP_trees): Add PROP_gimple_lomp.
8723 (TODO_set_props): New.
8724 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8725 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8726 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8728 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8730 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8731 (sparc64-*-linux*): Likewise.
8732 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8733 * config/sparc/t-linux: New file.
8734 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8735 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8736 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8737 -m32 -mlong-double-128.
8739 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8740 * config/alpha/t-linux: New file.
8741 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8743 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8744 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8745 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8746 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8747 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8748 (CPP_ARCH32_SPEC): Remove.
8750 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8752 PR tree-optimization/26145
8753 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8756 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8759 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8760 >= 240000 when generating code for SOM runtime.
8761 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8762 to $$dyncall when generating code for SOM runtime..
8764 2006-02-07 Dirk Mueller <dmueller@suse.com>
8767 * doc/invoke.texi (-Wsequence-point): Update documentation
8768 that -Wsequence-point is implemented for C++ as well.
8770 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8772 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8773 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8774 (LIB_SPEC): Likewise.
8775 * doc/invoke.texi (SPARC options): Document -pthread.
8777 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8779 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8782 2006-02-07 Roger Sayle <roger@eyesopen.com>
8784 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8785 Correct comment describing BOOLEAN_TYPE.
8787 2006-02-07 Dirk Mueller <dmueller@suse.com>
8789 * c.opt: C++ frontend supports -Wdiv-by-zero.
8790 * c-opts.c (c_common_handle_option): Remove dead case.
8792 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8794 * configure.ac (TLS assembler check): Do not enable TLS by
8795 default on SPARC/Solaris before version 10.
8796 * configure: Regenerate.
8798 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8800 * doc/invoke.texi (xl-compat): Document conversion and support
8803 2006-02-07 Jeff Law <law@redhat.com>
8805 * tree-vrp.c (find_conditional_asserts): Update comments.
8806 (simplify_stmt_for_jump_threading): New.
8807 (identify_jump_threads, finalize_jump_threads): New.
8808 (vrp_finalize): Call identify_jump_threads.
8809 (execute_vrp): Call finalize_jump_threads.
8810 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8811 (vrp_element, vrp_data, vrp_element_p): Remove.
8812 (vrp_hash_elt, vrp_variables_stack): Remove.
8813 (vrp_hash, vrp_eq, record_range): Remove.
8814 (simplify_cond_and_lookup_avail_expr): Remove.
8815 (extract_range_from_cond): Remove.
8816 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8817 (simplify_stmt_for_jump_threading): New.
8818 (dom_thread_across_edge): New wrapper.
8819 (tree_ssa_dominator_optimize): No longer initialize or
8820 finalize any of the VRP datastructures. Remove iteration
8821 step and simplify as a result of removal of iteration step.
8822 (pass_dominator): Perform a cfg cleanup after DOM.
8823 (dom_opt_finalize_block): Use the new common routines
8824 for threading jumps. Simplify stack management slightly.
8825 No longer need to unwind VRP state.
8826 (record_equivalences_from_incoming_edge): No longer record
8828 (eliminate_redundant_computations): No longer call
8829 simplify_cond_and_lookup_avail_expr.
8830 * tree-flow.h (potentially_threadable_block): Prototype.
8831 (thread_across_edge): Likewise.
8832 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8833 (tree-ssa-threadedge.o): Add dependencies.
8834 * tree-ssa-threadedge.c: New file.
8835 * passes.c (init_optimization_passes): Merge PHIs before
8836 calling VRP. Run VRP again late in the SSA optimization pipeline.
8838 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8840 * df-core.c (df_set_blocks): Do not dereference function pointers.
8841 (df_finish1): Likewise.
8842 (df_hybrid_search_forward): Likewise.
8843 (df_hybrid_search_backward): Likewise.
8844 (df_iterative_dataflow): Likewise.
8845 (df_analyze_problem): Likewise.
8846 (df_compact_blocks): Likewise.
8847 (df_dump): Likewise.
8848 * df-scan.c (df_rescan_blocks): Likewise.
8849 (df_record_entry_block_defs): Likewise.
8851 * genconditions.c (write_conditions): Guard the definition of
8852 'insn_conditions' with the check on GCC version.
8853 (write_writer): Guard the traversal 'insn_conditions' with
8854 the check on GCC version.
8856 2006-02-07 Richard Guenther <rguenther@suse.de>
8860 2006-01-30 Richard Guenther <rguenther@suse.de>
8862 * gimplify.c (gimplify_target_expr): Handle easy cases
8863 without creating a temporary.
8865 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8867 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8868 use of float in probability computations. Use edge probabilities
8869 in place of statically computed probabilities.
8870 (min_spec_prob): New static variable.
8871 (schedule_insns): Initialize it.
8872 (GET_SRC_PROB): Removed.
8873 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8875 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8878 * config/ia64/unwind-ia64.c: Revert last change.
8879 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8880 (INCOMING_FRAME_SP_OFFSET): Define.
8882 2006-02-06 Roger Sayle <roger@eyesopen.com>
8884 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8886 2006-02-07 Ben Elliston <bje@au.ibm.com>
8888 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8889 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8890 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8891 (ix86_return_in_memory): Handle TDmode.
8892 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8893 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8895 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8897 * reorg.c (dbr_schedule): Use dump_file instead of file.
8899 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8902 * config/ia64/predicates.md (extr_len_operand): New predicate.
8903 * config/ia64/ia64.md (extv): Tighten constraints.
8905 (*tbit_and_2): Ditto.
8906 (*tbit_and_3): Ditto.
8907 (*tbit_or_2): Ditto.
8908 (*tbit_or_3): Ditto.
8912 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8915 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8917 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8919 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8920 loop_optimizer_init and loop_optimizer_finalize
8921 * tree-ssa-sink.c (execute_sink_code): Ditto.
8922 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8923 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8924 tree_ssa_loop_done): Ditto.
8925 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8926 * sched-ebb.c: Include output.h.
8927 (schedule_ebbs): Do not use dump argument.
8928 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8929 * loop.c (loop_dump_stream): Removed.
8930 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8932 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8933 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8934 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8935 loop_iterations, strength_reduce, record_biv, record_giv,
8936 final_giv_value, check_final_value, check_ext_dependent_givs,
8937 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8938 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8939 dump_file instead of loop_dump_stream.
8940 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8942 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8944 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8945 * haifa-sched.c: Include output.h
8946 (schedule_insns, sched_init): Do not use dump argument.
8947 * mode-switching.c (optimize_mode_switching): Ditto.
8948 * modulo-sched.c (stats_file): Removed.
8949 (print_node_sched_params): Do not call argument dump_file.
8950 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8951 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8953 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8955 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8956 rtl_loop_init, rtl_loop_done): Ditto.
8957 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8958 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8960 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8961 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8962 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8963 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8964 * emit-rtl.c (renumber_insns): Ditto.
8965 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8966 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8967 * regclass.c (regclass): Ditto.
8968 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8969 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8970 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8971 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8973 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8974 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8976 * gcse.c (gcse_file, debug_stderr): Removed.
8977 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8978 rest_of_handle_gcse): Do not use dump argument.
8979 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8980 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8981 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8982 compute_code_hoist_vbeinout, compute_code_hoist_data,
8983 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8984 compute_store_table, build_store_vectors, insert_insn_start_bb,
8985 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8986 store_motion): Use dump_file instead of gcse_file.
8987 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8988 * profile.c (profile_dump_file): Removed.
8989 (branch_prob): Use dump_file instead of profile_dump_file.
8990 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8992 * tree-ssa-copy.c (dump_copy_of): Ditto.
8993 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8994 dump file to life_analysis.
8995 * bt-load.c (branch_target_load_optimize): Ditto.
8996 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8998 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8999 regclass, dbr_schedule): Declaration changed.
9000 * sched-int.h (sched_init): Declaration changed.
9001 * tree-profile.c (tree_profile_dump_file): Removed.
9002 (tree_profile_hooks): Removed profile_dump_file hook.
9003 * rtl-profile (rtl_profile_dump_file): Removed.
9004 (rtl_profile_hooks): emoved profile_dump_file hook.
9005 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9007 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9008 * tree-cfg.c (build_tree_cfg): Ditto.
9009 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9010 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9011 Declaration changed.
9012 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9013 life_analysis and schedule_insns.
9014 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9016 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9018 * config/mips/mips.c (mips_reorg): Ditto.
9019 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9022 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9024 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9025 (s390_mangle_fundamental_type): New.
9026 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9029 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9030 (alpha_mangle_fundamental_type): New.
9031 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9034 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9036 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9038 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9039 (sparc_mangle_fundamental_type): New.
9041 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9043 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9044 (s390x-*-linux*): Likewise.
9045 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9046 * config/s390/t-linux: New file.
9048 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9050 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9051 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9053 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9055 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9056 (ANTIC_SAFE_LOADS): New macro.
9057 (find_or_generate_expression): Add prototype.
9058 (set_contains_value): Allow null set for sake of not always having
9059 to allocate ANTIC_SAFE_LOADS.
9060 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9061 Allow COMPONENT_REF too.
9062 (valid_in_set): Allow COMPONENT_REF.
9063 Check ANTIC_SAFE_LOADS too.
9064 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9065 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9067 (can_PRE_operation): Add COMPONENT_REF.
9068 (create_component_ref_by_pieces): New function.
9069 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9070 (insert_aux): Move AGGREGATE_TYPE_P check here.
9071 (compute_avail): Set bb local stmt uids.
9072 (pass_pre): Use TODO_update_ssa_only_virtuals.
9074 2006-02-06 Ben Elliston <bje@au.ibm.com>
9076 * configure.ac: Unconditionally disable decimal float by default.
9077 * configure: Regenerate.
9079 2006-02-06 Ben Elliston <bje@au.ibm.com>
9081 * read-rtl.c (read_name): Terminate reading on EOF.
9083 2006-02-06 Ben Elliston <bje@au.ibm.com>
9085 * dfp.c (decimal_real_arithmetic): Change second argument type
9086 from int to enum tree_code. Do not always return true, but now
9087 return result of any call to decimal_do helper functions.
9088 * dfp.h (decimal_real_arithmetic): Update prototype.
9090 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9092 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9094 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9097 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9100 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9102 * tree-vrp.c (cfg_loops): Removed.
9103 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9104 Use current_loops instead of cfg_loops. Pass flags to
9105 loop_optimizer_init.
9106 * cfgloopmanip.c (fix_loop_structure): Update only available
9108 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9109 loop_optimizer_init.
9110 * modulo-sched.c (build_loops_structure): Removed.
9111 (sms_schedule): Use loop_optimizer_init.
9112 * loop-init.c (loop_optimizer_init): Use flags to determine
9113 which properties of loops to prepare.
9114 (rtl_loop_init): Pass flags to loop_optimizer_init.
9115 * tree-ssa-sink.c (execute_sink_code): Ditto.
9116 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9117 * tree-ssa-pre.c (init_pre): Ditto.
9118 * cfgloop.h (LOOPS_NORMAL): New.
9119 (loop_optimizer_init): Declaration changed.
9121 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9123 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9124 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9126 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9128 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9130 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9131 * pa/t-pa64: Delete quadlib.c rule.
9132 * pa/x-ada: Revert last change.
9133 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9135 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9137 PR rtl-optimization/26087
9138 * rtlanal.c (canonicalize_condition): Do not cross basic block
9141 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9144 * config/ia64/ia64.c: Include debug.h.
9145 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9146 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9147 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9148 (process_epilogue, process_set, process_for_unwind_directive):
9149 Output unwind info only if requested. Add CFA info if requested.
9150 Add new arguments as needed. Adjust callers.
9151 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9153 (DWARF2_FRAME_INFO): Define to zero.
9154 * config/ia64/unwind-ia64.c: Remove code that compensated for
9155 the CFA offset error fixed above.
9156 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9157 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9158 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9159 -funwind-tables and -fexceptions to enable frame info.
9160 (dwarf2out_frame_init): Define initial CFA even if
9161 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9162 DWARF2_UNWIND_INFO is nonzero, not just defined.
9163 (dwarf2out_frame_finish): Output non-EH call frame info only
9164 if DWARF2_FRAME_INFO is nonzero.
9165 (convert_cfa_to_loc_list,
9166 compute_frame_pointer_to_cfa_displacement): Define even if
9167 unwind info is not supported.
9168 (gen_subprogram_die): Use the above unconditionally. Remove
9169 legacy alternate code.
9170 * toplev.c (compile_file): Compile in call to
9171 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9172 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9174 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9175 Jakub Jelinek <jakub@redhat.com>
9177 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9178 IBM extended float format long double as "g" on powerpc*-linux.
9180 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9183 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9184 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9186 2006-02-03 Jason Merrill <jason@redhat.com>
9189 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9192 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9193 on the return slot if it's an NRV.
9195 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9197 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9198 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9199 rewrite_use): Do not handle USE_OUTER.
9200 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9201 add_iv_outer_candidates, may_replace_final_value,
9202 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9203 (find_interesting_uses_op): Functionality of
9204 find_interesting_uses_outer_or_nonlin moved here.
9205 (find_interesting_uses_outside): Use find_interesting_uses_op.
9207 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9210 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9212 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9213 Ulrich Weigand <uweigand@de.ibm.com>
9216 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9217 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9218 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9219 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9221 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9222 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9223 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9224 Define secondary reloads for TFmode moves.
9225 (constant_modes): Add TFmode.
9226 (NR_C_MODES): Set to 8.
9227 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9229 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9230 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9231 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9232 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9233 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9234 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9235 (FPR mode macro): Add TFmode.
9236 (DSF mode macro): New.
9237 (<de>, <dee> mode attributes): Removed.
9238 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9239 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9240 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9241 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9242 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9243 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9244 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9245 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9246 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9247 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9248 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9249 "*negabs<mode>2", "sqrt<mode>2"):
9250 Changed <de> to <xde>. R constraint replaced by <Rf>.
9251 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9253 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9254 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9255 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9257 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9258 "extenddftf2", "extendsftf2"): New expanders.
9259 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9260 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9261 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9262 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9264 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9265 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9266 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9267 __floatditf): Add a GCC_4.1.0 symbol version tag.
9268 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9271 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9274 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9275 Use targetm.binds_local_p instead of TREE_PUBLIC.
9277 2006-02-02 Roger Sayle <roger@eyesopen.com>
9279 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9280 on INTEGER_TYPEs to indicate that it denotes a character type.
9281 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9282 signed_char_type_node, unsigned_char_type_node and char_type_node.
9283 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9284 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9285 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9287 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9288 Daniel Berlin <dberlin@dberlin.org>
9290 * tree-tailcall.c (arg_needs_copy_p): New function.
9291 (eliminate_tail_call): Use arg_needs_copy_p.
9292 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9293 (add_virtual_phis): New function.
9295 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9297 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9298 #ignore instead of #scratch for %g7 .register directive.
9300 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9302 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9305 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9307 * flow.c (calculate_global_regs_live): Assert that there aren't any
9310 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9312 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9314 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9315 bsi_after_labels iterator.
9316 * tree-if-conv.c (find_phi_replacement_condition,
9317 replace_phi_with_cond_modify_expr): Likewise.
9318 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9319 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9321 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9323 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9325 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9328 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9329 array after growing it.
9331 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9334 * fold-const.c (fold_checksum_tree): Change type of buf.
9336 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9338 * reload.c (push_secondary_reload): Initialize t_icode.
9340 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9342 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9343 -msoft-float -mlong-double-128 only issue a warning, but don't
9344 swich to DFmode long double.
9346 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9348 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9349 has a constant equivalent, iterate over equivalents for arg0,
9350 calling simplify_relational_operation and if there's a result
9351 cheaper than X, apply fold_rtx and return the result.
9353 2006-02-01 Jan Hubicka <jh@suse.cz>
9355 * opts.c (no_unit_at_a_time_default): New global variable.
9356 (decode_options): Use it.
9357 * opts.h (no_unit_at_a_time_default): Declare.
9359 2006-02-01 Paul Brook <paul@codesourcery.com>
9361 * function.c (assign_parm_setup_reg): Use function argument promotion
9363 * expr.c (expand_expr_real_1): Use function argument promotion rules
9366 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9368 * gcc.c (process_command): Change j to 'unsigned int'.
9370 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9373 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9374 Use the corrected index for the character
9375 out of the string constant.
9377 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9379 * mode-switching.c (optimize_mode_switching): Fix size
9380 allocated for bb_info[n_entities].
9382 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9384 * gcc.c (main): Correct type that is allocated for
9385 explicit_link_files.
9387 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9389 * config/s390/s390.c (init_alignment_context): Set
9390 ALIAS_SET_MEMORY_BARRIER on the MEM.
9391 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9393 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9396 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9398 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9401 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9403 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9404 * regrename.c: Ditto.
9405 * tree-ssa-loop-im.c: Ditto.
9406 * tree-dump.c: Ditto.
9407 * tree-complex.c: Ditto.
9408 * genrecog.c: Ditto.
9409 * tree-ssa-threadupdate.c: Ditto.
9411 * java/class.c: Ditto.
9412 * java/jcf-parse.c: Ditto.
9413 * java/resource.c: Ditto.
9414 * java/except.c: Ditto.
9415 * java/jvspec.c: Ditto.
9416 * java/jcf-write.c: Ditto.
9417 * java/jcf-path.c: Ditto.
9418 * java/gjavah.c: Ditto.
9419 * java/zextract.c: Ditto.
9420 * java/jcf-io.c: Ditto.
9421 * java/jcf.h: Ditto.
9422 * java/buffer.c: Ditto.
9423 * java/lang.c: Ditto.
9424 * java/parse-scan.y: Ditto.
9425 * java/lex.c: Ditto.
9426 * java/lex.h: Ditto.
9427 * cfgloopmanip.c: Ditto.
9428 * postreload-gcse.c: Ditto.
9429 * tree-ssa-loop-manip.c: Ditto.
9430 * postreload.c: Ditto.
9431 * tree-ssa-loop-ch.c: Ditto.
9435 * diagnostic.c: Ditto.
9437 * genoutput.c: Ditto.
9439 * cfghooks.c: Ditto.
9440 * cfgloopanal.c: Ditto.
9441 * objc/objc-act.c: Ditto.
9443 * genextract.c: Ditto.
9444 * genautomata.c: Ditto.
9445 * pretty-print.c: Ditto.
9447 * cgraphunit.c: Ditto.
9450 * haifa-sched.c: Ditto.
9451 * dominance.c: Ditto.
9453 * tree-ssa-loop-ivopts.c: Ditto.
9455 * mode-switching.c: Ditto.
9456 * modulo-sched.c: Ditto.
9458 * ipa-pure-const.c: Ditto.
9460 * fix-header.c: Ditto.
9462 * tree-stdarg.c: Ditto.
9463 * ipa-utils.c: Ditto.
9464 * loop-init.c: Ditto.
9465 * ipa-inline.c: Ditto.
9468 * alloc-pool.c: Ditto.
9469 * dwarf2out.c: Ditto.
9471 * genattrtab.c: Ditto.
9472 * tree-ssa-loop-ivcanon.c: Ditto.
9476 * fortran/gfortranspec.c: Ditto.
9478 * local-alloc.c: Ditto.
9479 * langhooks.c: Ditto.
9480 * function.c: Ditto.
9481 * tree-vectorizer.c: Ditto.
9483 * ipa-type-escape.c: Ditto.
9485 * tree-if-conv.c: Ditto.
9488 * tree-data-ref.c: Ditto.
9489 * loop-unroll.c: Ditto.
9490 * treelang/treetree.c: Ditto.
9493 * ggc-common.c: Ditto.
9495 * coverage.c: Ditto.
9497 * tree-cfgcleanup.c: Ditto.
9498 * tree-ssa-pre.c: Ditto.
9499 * cfgcleanup.c: Ditto.
9500 * loop-invariant.c: Ditto.
9502 * ipa-prop.c: Ditto.
9503 * print-tree.c: Ditto.
9504 * conflict.c: Ditto.
9505 * ggc-page.c: Ditto.
9506 * sched-deps.c: Ditto.
9507 * regclass.c: Ditto.
9508 * tree-object-size.c: Ditto.
9510 * bb-reorder.c: Ditto.
9511 * resource.c: Ditto.
9512 * var-tracking.c: Ditto.
9514 * df-problems.c: Ditto.
9515 * reg-stack.c: Ditto.
9518 * sched-rgn.c: Ditto.
9519 * tree-ssa-structalias.c: Ditto.
9520 * tree-ssa-reassoc.c: Ditto.
9521 * config/darwin-c.c: Ditto.
9522 * config/darwin.c: Ditto.
9523 * config/arm/arm.c: Ditto.
9525 * collect2.c: Ditto.
9528 2006-01-31 Nicolas Pitre <nico@cam.org>
9530 * arm.md (smaxsi3): Make aware of smax_m1.
9533 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9535 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9537 2006-01-31 Richard Guenther <rguenther@suse.de>
9539 * doc/invoke.texi (-msselibm): Document.
9540 * target.h (expand_library_builtin): New target hook.
9541 * builtins.c (expand_builtin): Use expand_library_builtin.
9542 (default_expand_library_builtin): New function.
9543 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9544 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9545 (link_gcc_math_spec): Declare.
9546 (static_specs): Add link_gcc_math_spec.
9547 * expr.h (default_expand_library_builtin): Declare.
9548 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9549 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9550 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9551 * config/i386/i386.opt (msselibm): New target option.
9552 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9553 (ix86_init_sse_abi_builtins): New function.
9554 (ix86_expand_library_builtin): Likewise.
9555 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9556 (override_options): Handle error conditions wrt -msselibm.
9557 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9558 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9559 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9562 2006-01-31 Richard Guenther <rguenther@suse.de>
9563 Paolo Bonzini <bonzini@gnu.org>
9565 * doc/install.texi (--disable-libgcc-math): Document.
9567 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9569 * expr.h (expand_normal): new inline function.
9570 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9572 * dwarf2out.c: use it.
9577 * config/sparc/sparc.c: use it.
9578 * config/i386/i386.c: use it.
9579 * config/rs6000/rs6000.c: use it.
9580 * config/arm/arm.c: use it.
9581 * config/mips/mips.c: use it.
9582 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9584 2006-01-30 Roger Sayle <roger@eyesopen.com>
9586 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9587 argv to the appropriate type.
9589 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9591 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9594 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9597 * config/s390/s390.c (struct machine_function): New flag
9598 decomposed_literal_pool_addresses_ok_p.
9599 (s390_reorg): Set it before final stage of literal pool transforms.
9600 (s390_decompose_address): Only accept displacements of the form
9601 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9603 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9605 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9606 the comparison routine return.
9608 2006-01-30 Michael Matz <matz@suse.de>
9610 * global.c (find_reg): Only evict for global regs.
9611 Take n_refs into account and dump more info.
9613 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9616 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9617 (pragma_trap, pragma_nosave_low_regs): Likewise.
9618 (current_function_anonymous_args): Likewise.
9619 (sh_deferred_function_attributes): New variable.
9620 (sh_deferred_function_attributes_tail): Likewise.
9621 (print_operand): For '@', look up trap_exit attribute.
9622 (calc_live_regs): Look up trapa_handler attribute. For trapa
9623 handlers, save/restore fpscr, but don't do any other
9624 interrupt-specific saves.
9625 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9626 Fix check for partially saved registers to check for SHmedia.
9627 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9628 (sh_output_function_epilogue): Don't clear any of the removed
9630 (sh_insert_attributes): Don't check pragma_interrupt.
9631 Insert deferred attributes. Check that interrupt attribute is
9632 present for other attributes that require its presence.
9633 (sh_attribute_table): Add new attributes trapa_handler and
9635 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9636 Don't check for pragma_interrupt. Don't store argument.
9637 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9638 (sh_deferred_function_attributes): Declare.
9639 (sh_deferred_function_attributes_tail): Likewise.
9640 * sh.md (sp_switch_1): Add operand. Change generator caller.
9641 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9642 (*return_i): Don't use when trap_exit attribute is in effect.
9643 (*return_trapa): New insn pattern.
9645 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9646 setting c_target_objs and cxx_target_objs.
9647 * t-sh: Add rule for sh-c.o.
9649 2006-01-30 Richard Guenther <rguenther@suse.de>
9652 * gimplify.c (gimplify_target_expr): Handle easy cases
9653 without creating a temporary.
9655 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9657 * vec.h (safe_grow): Remove duplicated line.
9659 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9662 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9663 (expand_omp): ... here.
9664 (expand_omp_parallel): Only remove barriers for combined
9665 parallel+workshare constructs.
9667 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9671 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9672 * tree.c (build_qualified_type): Chain the new type to the original
9673 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9674 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9675 (build_pointer_type_for_mode): Only return unqualified types.
9676 (build_reference_type_for_mode): Likewise.
9678 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9680 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9681 * Makefile.in (CXX_COMPAT_WARN): Define.
9682 * configure: Regenerate.
9684 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9687 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9690 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9692 * toplev.c: Fix thinko.
9694 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9695 Marcin Dalecki <martin@dalecki.de>
9697 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9698 (push_srcloc): Use XNEW.
9699 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9701 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9703 * df-core.c (df_set_blocks): Deleted all variable.
9705 2006-01-28 Ian Lance Taylor <ian@airs.com>
9707 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9708 cgraph_output_pending_asms.
9710 2006-01-28 Zack Weinberg <zackw@panix.com>
9712 * c.opt: Add -W(no-)overlength-strings.
9713 * doc/invoke.texi: Document it.
9714 * c-opts.c (c_common_handle_option): -pedantic implies
9715 -Woverlength-strings, if not explicitly disabled already.
9716 (c_common_post_options): -Woverlength-strings defaults to off, and
9717 is always off for C++.
9718 * c-common.c (fix_string_type): Issue warning about strings longer
9719 than is portable only if warn_overlength_strings. Rearrange code
9720 a little for clarity.
9721 * configure.in: Check for -Wno-overlength-strings as well before
9722 enabling -pedantic in stage 1.
9723 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9724 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9726 * genconditions.c (write_header, write_one_condition)
9727 (write_conditions, write_writer): Consolidate very long strings
9728 that were broken up to fit in C89 portable limit. Don't use
9729 printf when fputs will do.
9731 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9733 * combine.c (simplify_comparison <AND>): Check
9734 TRULY_NOOP_TRUNCATION before start using a subreg.
9736 * config/mips/mips.md (*branch_zero<mode>,
9737 *branch_zero<mode>_inverted, *branch_equality<mode>,
9738 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9739 Remove mode check from comparisons.
9741 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9743 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9745 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9747 * expmed.c (const_mult_add_overflow_p): Remove.
9748 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9750 * recog.c (validate_replace_rtx_subexp): Remove.
9751 * recog.h: Remove the prototype for
9752 validate_replace_rtx_subexp.
9754 * integrate.h: Remove the prototype for
9755 copy_decl_for_inlining.
9756 * rtl.h: Remove the prototype for mark_constant_function.
9757 * tree-vectorizer.h: Remove the prototype for
9758 vect_strip_conversion.
9760 * modulo-sched.c (create_partial_schedule,
9761 free_partial_schedule, reset_partial_schedule): Make them
9764 * hooks.c (hook_bool_rtx_int_false): Remove.
9765 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9767 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9769 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9770 and -mlong-double-128 are incompatible.
9771 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9772 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9773 (TARGET_LIBGCC2_CFLAGS): Define.
9774 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9775 (TARGET_LIBGCC2_CFLAGS): Same.
9776 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9778 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9781 * c-typeck.c (build_binary_op): Perform implicit casts of
9782 operands before shortening them.
9784 * cfgloopmanip.c (split_loop_bb): Remove.
9785 * cfgloop.h: Remove the prototype for split_loop_bb.
9787 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9788 * cfgloop.h: Remove the prototype for
9789 flow_loop_outside_edge_p.
9791 * emit-rtl.c (init_virtual_regs): Make it static.
9792 * function.h: Remove the prototype for init_virtual_regs.
9794 * recog.c (peephole2_optimize): Make it static.
9795 * recog.h: Remove the prototype for peephole2_optimize.
9797 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9799 * df-scan.c (df_record_entry_block_defs): Check if
9800 INCOMING_RETURN_ADDR_RTX is defined.
9802 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9803 Kenneth Zadeck <zadeck@naturalbridge.com>
9805 PR rtl-optimization/24762
9806 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9807 * targhooks.c (hook_void_bitmap): New hook prototype.
9808 * targhoohs.h (hook_void_bitmap): Ditto.
9809 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9810 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9811 * target.h (live_on_entry): New function pointer.
9812 * df-scan.c (df_all_hard_regs): Removed.
9813 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9814 (df_scan_free_internal): Added df->entry_block_defs.
9815 (df_scan_alloc): Ditto.
9816 (df_scan_dump): Ditto.
9817 (df_uses_record): Plumbed flag field properly thru calls.
9818 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9819 This part fixes PR24762.
9820 (df_bb_refs_record): Added code to make the frame and arg
9821 pointers live in EH blocks.
9822 (df_refs_record): Added call to df_record_entry_block_defs.
9823 (df_record_entry_block_defs): New function.
9824 * df-core.c: Added comments to describe new artifical defs.
9825 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9826 (entry_block_defs): New field in struct df.
9827 (df_all_hard_regs): Deleted.
9828 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9829 * df-problems.c (df_ru_bb_local_compute_process_def):
9830 Added code to handle artifical defs in the entry to a function.
9831 (df_ru_bb_local_compute): Ditto.
9832 (df_rd_bb_local_compute_process_def): Ditto.
9833 (df_rd_bb_local_compute): Ditto.
9834 (df_lr_bb_local_compute): Ditto.
9835 (df_ur_bb_local_compute): Ditto.
9836 (df_urec_bb_local_compute): Ditto.
9837 (df_chain_create_bb): Ditto.
9838 (df_ur_local_finalize): Removed entry.
9839 (df_urec_init): Ditto.
9840 (df_urec_local_finalize): Ditto.
9841 (df_ri_bb_compute): Added detection of last use of pseudos.
9842 * Makefile.in (df-scan.o): Updated dependencies.
9843 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9844 * config/mips/mips.c (mips_set_live_on_entry): Added.
9845 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9847 * dce.c (marked_insn_p): Added code to handle artifical defs.
9849 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9851 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9853 (_mm_cvtsi128_si64): Likewise.
9854 (_mm_cvtsd_si64): Likewise.
9855 (_mm_cvttsd_si64): Likewise.
9856 (_mm_cvtsi64_sd): Likewise.
9857 (_mm_cvtsi64_si128): Likewise.
9858 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9859 (_mm_cvtsi64_m64): Likewise.
9860 (_m_to_int64): Likewise.
9861 (_mm_cvtm64_si64): Likewise.
9862 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9863 (_mm_cvttss_si64): Likewise.
9864 (_mm_cvtsi64_ss): Likewise.
9865 (_mm_cvtss_f32): Likewise.
9867 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9869 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9870 for pragma redefine_extname.
9872 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9875 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9876 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9877 -mno-minimal-toc to previous content.
9878 (bispecs): Remove goal.
9879 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9880 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9881 compatibility aliases on powerpc-*-*gnu*.
9882 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9883 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9884 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9885 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9886 (ldblspecs): New goal.
9887 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9888 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9890 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9891 L_sf_to_tf or L_df_to_tf is defined.
9893 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9894 Alan Modra <amodra@bigpond.net.au>
9897 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9898 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9899 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9900 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9901 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9902 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9903 (rs6000_override_options): Initialize rs6000_ieeequad.
9904 Initialize TFmode format to ibm_extended_format if not
9906 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9908 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9909 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9910 (function_arg_advance): IBM long double passed in two FPRs, not
9912 (function_arg): IBM long double passed in FPRs.
9913 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9914 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9915 Only multireg GPR aligned.
9916 (rs6000_init_libfuncs): Enable IBM long double functions if not
9918 (rs6000_generate_compare): Use IBM long double compare if not
9920 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9921 (TARGET_IEEEQUAD): Define.
9922 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9923 not TARGET_IEEEQUAD.
9924 * config/rs6000/rs6000.md: Enable TFmode patterns if
9926 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9927 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9928 and -mlong-double-128 are incompatible.
9929 * doc/invoke.texi (-mabi): Collect options together. Add
9930 ibmlongdouble and ieeelongdouble.
9932 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9934 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9936 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9937 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9938 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9939 * rtl.h (rtunion_def): Remove rt_ptr.
9941 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9942 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9943 * config/i386/winnt.c (i386_pe_mark_dllexport)
9944 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9946 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9948 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9950 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9954 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9955 pthread_key_delete. From John David Anglin. gthrw-ify
9956 pthread_getunique_np only if it it's not a macro. Delete
9958 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9959 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9960 __gthread_objc_condition_signal, __gthread_key_delete): Add
9961 "__attribute__ ((__unused__))" to unused arguments.
9962 (__gthread_recursive_mutex_init_function): Add missing return.
9963 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9964 gthr-posix95.h: Use macro-based approach for name redirection
9965 on targets missing weakref.
9967 2006-01-26 Zack Weinberg <zackw@panix.com>
9969 * genconditions.c (write_header): In generated code, #ifdef out
9970 all includes and fake declarations, except includes of bconfig.h
9971 and system.h, unless GCC_VERSION >= 3001. Do not include
9972 gensupport.h in any case.
9973 (write_conditions): Generate a definition of struct c_test. Add
9974 a comment to the generated #endif.
9975 (write_one_condition): Escape backslashes in string too.
9976 (write_writer): Generated code must escape backslashes and quote
9977 marks (but not newlines) in the strings it writes.
9978 * Makefile.in (build/gencondmd.o): Update dependencies.
9980 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9983 * Makefile.in (insn-automata.o): Add header file dependencies.
9984 * genautomata.c: Add includes.
9986 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9989 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9991 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9993 * configure.ac: Expect target tools paths to be passed from the toplevel
9994 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9996 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9998 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10001 * c.opt (Wpointer-sign): Init to -1.
10002 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10003 OPT_pedantic, to 0 otherwise.
10004 * doc/invoke.texi: Update.
10006 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10008 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10009 constants provided by 80387 instructions in the destination mode.
10011 2006-01-26 Richard Guenther <rguenther@suse.de>
10012 Andrew Pinski <pinskia@physics.uc.edu>
10015 partial PR tree-opt/17064
10016 * tree-ssa-structalias.c (intra_create_variable_infos):
10017 Create heap variables for incoming parameters if
10018 flag_argument_noalias > 1.
10019 (find_what_p_points_to): Look through default defs of
10022 2006-01-26 Jeff Law <law@redhat.com>
10025 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10026 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10027 within the VR_RANGE, use the VR_RANGE as the result, not the
10029 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10030 bounds for the type.
10032 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10034 * tree-ssa-alias.c (maybe_create_global_var): Change
10035 subvar walking to an assertion that we don't have subvar'd variables.
10037 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10040 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10041 Use a new variable, inner. PARM_DECLs are always non-weak.
10043 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10045 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10046 --disable-checking.
10048 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10050 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10052 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10054 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10055 (smax_insn, smin_insn, smax_0, smin_0): New.
10057 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10060 * config/cris/cris.c (cris_order_for_addsi3): New function.
10061 * config/cris/cris-protos.h: Prototype it.
10062 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10063 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10064 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10065 (split for "op.S1 [rx=rx+i],ry (swapped)")
10066 (split for "op(s|u).S1 [rx=rx+i],ry")
10067 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10068 Apply cris_order_for_addsi3 when generating addsi3 insns.
10070 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10072 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10073 (TREE_BLOCK): Add call to EXPR_CHECK.
10075 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10078 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10079 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10080 (dump_omp_clauses): ... here.
10081 (dump_generic_node): Handle OMP_CLAUSE.
10082 * tree.c (omp_clause_num_ops): New.
10083 (omp_clause_code_name): New.
10084 (tree_code_size): Handle OMP_CLAUSE.
10085 (tree_size): Likewise.
10086 (make_node): Document handling of OMP_CLAUSE.
10087 (tree_node_structure): Handle OMP_CLAUSE.
10088 (omp_clause_check_failed): New.
10089 (omp_clause_range_check_failed): New.
10090 (omp_clause_operand_check_failed): New.
10091 (build_omp_clause): New.
10092 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10093 * tree.h (enum omp_clause_code): Declare.
10094 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10095 (OMP_CLAUSE_RANGE_CHECK): Define.
10096 (OMP_CLAUSE_ELT_CHECK): Define.
10097 (omp_clause_check_failed): Declare.
10098 (omp_clause_operand_check_failed): Declare.
10099 (omp_clause_range_check_failed): Declare.
10100 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10101 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10102 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10103 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10104 (OMP_CLAUSE_IF_EXPR): Likewise.
10105 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10106 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10107 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10108 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10109 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10110 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10111 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10112 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10113 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10114 (OMP_CLAUSE_CODE): Define.
10115 (OMP_CLAUSE_SET_CODE): Define.
10116 (OMP_CLAUSE_CODE): Define.
10117 (OMP_CLAUSE_OPERAND): Define.
10118 (struct tree_omp_clause): Declare.
10119 (union tree_node): Add field 'omp_clause'.
10120 * treestruct.def (TS_OMP_CLAUSE): Define.
10121 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10122 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10123 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10124 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10125 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10126 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10127 (OMP_CLAUSE): Define.
10128 * print-tree.c (print_node): Handle OMP_CLAUSE.
10129 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10130 * c-typeck.c: Likewise.
10131 * gimplify.c: Likewise.
10132 * c-omp.c: Likewise.
10133 * tree-nested.c: Likewise.
10134 * tree-inline.c: Likewise.
10135 * c-parser.c: Likewise.
10136 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10139 2006-01-25 Roger Sayle <roger@eyesopen.com>
10141 PR rtl-optimization/25703
10142 * combine.c (try_combine): Handle zero_extract and strict_low_part
10143 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10145 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10147 * global.c: Fix comment typos.
10149 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10152 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10153 Use output_addr_const instead of assemble_name.
10155 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10157 * Makefile.in (sched-vis.o): Update dependencies.
10158 * haifa-sched.c (sched_finish): Clear current_sched_info.
10159 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10160 (dump_flow_info): Call it.
10161 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10163 * basic-block.h (dump_bb_info): Declare.
10164 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10165 option, and apply options only for dump files whose TDF_RTL,
10166 TDF_TREE, or TDF_IPA bits match.
10167 * rtl.h: Declare new functions exported from sched-vis.c.
10168 * sched-vis.c: Enable also if scheduling is not used.
10169 (print_value): Print the mode of registers if not inside scheduling.
10170 (print_insn): Make it work outside the scheduler. Beautify the output
10172 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10174 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10176 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10177 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10178 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10179 depending on the value of CONSTANT_POOL_ADDRESS_P.
10180 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10182 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10183 rather than SYMBOL_REF_DECL.
10184 (rtx_constant_pool): Remove const_rtx_sym_htab.
10185 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10186 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10187 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10188 Remove handling of const_rtx_sym_htab.
10189 (find_pool_constant): Delete.
10190 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10191 rather than find_pool_constant.
10192 (get_pool_constant_for_function): Delete.
10193 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10194 find_pool_constant.
10195 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10196 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10197 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10198 (SYMBOL_REF_CONSTANT): New macro.
10199 (get_pool_constant_for_function): Delete.
10200 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10201 rather than SYMBOL_REF_DECL.
10202 (i386_pe_mark_dllimport): Likewise.
10203 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10204 rather than SYMBOL_REF_DECL.
10205 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10206 (machopic_indirect_call_target): Likewise.
10208 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10210 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10212 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10214 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10216 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10218 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10220 2006-01-24 David Daney <ddaney@avtrex.com>
10223 * configure.ac (enable_tls): New enable option.
10224 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10225 * configure: Regenerate.
10226 * doc/install.texi (--enable-tls): Document new option.
10227 (--disable-tls): Ditto.
10229 2006-01-24 Richard Henderson <rth@redehat.com>
10231 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10232 * alias.c (true_dependence): Respect it.
10233 (canon_true_dependence, write_dependence_p): Likewise.
10234 * builtins.c (get_builtin_sync_mem): Set it.
10236 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10238 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10241 2006-01-24 DJ Delorie <dj@redhat.com>
10243 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10244 for storing constants in single-bit bitfields.
10246 2006-01-25 Ben Elliston <bje@au.ibm.com>
10248 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10250 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10253 * tree-ssa-pre.c (phi_translate): Return NULL
10254 for AGGREGATE_TYPE's.
10256 2006-01-24 Zack Weinberg <zackw@panix.com>
10258 * genautomata.c (process_state_for_insn_equiv_partition):
10259 Use xcalloc for insn_arcs_array.
10260 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10261 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10263 2006-01-24 Richard Henderson <rth@redhat.com>
10265 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10266 update all callers.
10268 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10270 PR rtl-optimization/25890
10271 PR rtl-optimization/25905
10272 * combine.c (expand_compound_operation, expand_field_assignment):
10273 Fail if the bitfield's final position is out of bounds.
10275 2006-01-24 Ian Lance Taylor <ian@airs.com>
10277 PR middle-end/25930
10278 * cgraphunit.c (cgraph_output_in_order): Don't clear
10279 cgraph_asm_nodes until after asm strings have been output.
10281 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10283 * fix-header.c (read_scan_file): Add new parameter imultilib when
10284 calling register_include_chains.
10286 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10288 * omp-low.c: Update documentation.
10290 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10291 Daniel Berlin <dberlin@dberlin.org>
10295 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10296 return from the function.
10298 2006-01-22 Zack Weinberg <zackw@panix.com>
10300 * rtl.def (match_code): Add second argument.
10301 * genpreds.c (write_extract_subexp): New function.
10302 (write_match_code): Add path argument. Use write_extract_subexp.
10303 (write_predicate_expr): Pass path to write_match_code.
10304 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10305 not perform a mode test.
10306 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10307 a subexpression does not constrain the top-level code set.
10308 * read-rtl.c (read_rtx_variadic): New function.
10309 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10310 * doc/md.texi: Document new notation.
10311 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10312 (cmpsi_operand): ... here, using new notation.
10314 2006-01-22 Zack Weinberg <zackw@panix.com>
10316 * varray.c: Remove GENERATOR_FILE #ifdefs.
10318 2006-01-22 Zack Weinberg <zackw@panix.com>
10320 * genautomata.c (output_reserved_units_table): Emit nothing if
10321 description->query_units_num is zero. Remove extra blank line.
10322 (output_cpu_unit_reservation_p): Short circuit
10323 if description->query_units_num is zero.
10325 2006-01-22 Zack Weinberg <zackw@panix.com>
10327 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10328 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10329 nor any of the random handful of variables that used to be necessary
10330 when this program was linked with rtlanal.o. Prune set of forward
10331 function declarations.
10332 (struct attr_desc): Remove static_p field.
10333 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10334 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10335 (attr_string): Do not read the character one past the length of
10337 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10338 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10339 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10340 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10341 (make_automaton_attrs): New.
10342 (main): Do not call into genautomata. Call local gen_bypass
10343 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10344 Remove special case for insn_alts.
10345 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10346 varray.h (leftover from previous change). Prune set of forward
10347 function declarations. Remove state_alts fields from all
10348 structures. Remove state_alts_table from struct automaton.
10349 Make everything except main static. Do not maintain num_dfa_decls.
10350 Do not maintain state_alts fields of various structures.
10351 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10352 (add_arc): Remove state_alts argument. All callers updated.
10353 (output_reserved_units_table): Emit #ifdef here...
10354 (output_tables): ...not here. Don't generate state_alts tables.
10355 (expand_automata): Don't generate attributes.
10356 (write_automata): Don't generate state_alts functions.
10357 (main): New function.
10358 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10359 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10360 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10361 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10362 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10363 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10364 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10365 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10367 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10368 * genattrtab.h: Delete file.
10369 * Makefile.in (OBJS-common): Add insn-automata.o.
10370 (insn-automata.o): New rule.
10371 (simple_generated_c): Add insn-automata.c.
10372 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10373 (genprogmd): Add automata.
10374 (build/genattrtab): Needs no extra objects nor libraries.
10375 (build/genautomata): Needs build/vec.o and -lm.
10377 2006-01-22 Zack Weinberg <zackw@panix.com>
10379 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10380 (output_dfa_max_issue_rate, locked_states_num): Delete.
10381 (struct automaton): Add locked_states field.
10382 (output_dead_lock_vect): Save number of locked states in
10383 automaton->locked_states. If it is zero, don't print anything.
10384 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10385 (output_internal_dead_lock_func): Only test the dead_lock_vect
10386 for automata that have locked states.
10387 (output_statistics): Always print the number of locked states for
10388 each automaton. Calculate total number of locked states here.
10389 (write_automata): Don't call output_dfa_max_issue_rate.
10390 * genattrtab.c: Define length_unit_log as a const variable.
10391 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10392 max_insn_queue_index const.
10393 * final.c (length_unit_log): Declare const.
10394 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10396 2006-01-22 Zack Weinberg <zackw@panix.com>
10398 * genautomata.c: Include vec.h, not varray.h.
10399 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10400 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10401 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10402 VEC_* macros operating on appropriately typed vectors, or to
10403 malloced arrays when the size is known in advance. Const-ify
10404 many char* variables and function arguments. No functional changes.
10405 * Makefile.in (build/varray.o): Delete rule.
10406 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10407 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10409 2006-01-22 Zack Weinberg <zackw@panix.com>
10411 * gensupport.c: Define get_insn_name and record_insn_name here.
10412 (read_md_rtx): Call record_insn_name as appropriate.
10413 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10414 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10415 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10417 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10418 (BUILD_VARRAY): Delete.
10419 (genprognormal): Rename genprogmd. Fold in all programs from
10420 genprognoprint; also attrtab.
10421 (build/genattrtab): Just mention genautomata.o and varray.o.
10422 Reorganize a bit, add comments to make the categories clearer.
10424 2006-01-22 Zack Weinberg <zackw@panix.com>
10426 * genconditions.c (condition_table, add_condition): Delete.
10427 (write_conditions): Don't emit n_insn_conditions nor
10428 insn_elision_unavailable. Issue the gcc version #ifdef here,
10429 inside the table, with no #else clause ...
10430 (write_header): ...not here.
10431 (write_writer): New function.
10432 (main): Don't initialize condition_table. Use add_c_test.
10434 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10435 files on the command line.
10436 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10437 Return -1 if there is no entry in the table, don't abort.
10438 (add_c_test, traverse_c_tests): New functions.
10439 * gensupport.h (insn_elision_unavailable, insn_conditions)
10440 (n_insn_conditions): Delete declarations.
10441 (add_c_test, traverse_c_tests): Declare.
10442 * read-rtl.c: Include gensupport.h.
10443 (read_conditions): New function.
10444 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10445 (read_rtx_1): If we get EOF when we were looking for an initial
10446 open paren, return 0. Call read_conditions when appropriate.
10447 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10448 dummy-conditions.o. Eliminate references to insn-conditions.o,
10449 or change them to build/gencondmd.o, as appropriate. Remove
10450 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10451 from $(simple_generated_c). For all files remaining in those
10452 two lists, add insn-conditions.md to the generator command line.
10453 Give insn-constants.h/s-constants their own rules. Add rules
10454 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10455 (build/read-rtl.o): Depend on gensupport.h.
10456 (genprognormal): Include preds.
10457 (genprogearly): Rename genprognoprint; only difference is now that
10458 they don't link with $(BUILD_PRINT).
10459 * dummy-conditions.c: Delete.
10461 2006-01-22 Zack Weinberg <zackw@panix.com>
10463 * genextract.c: Don't include insn-config.h. Do include vec.h.
10464 Declare vectors of int, char, and locstr.
10465 (locstr): New typedef.
10466 (struct extraction): Make all array fields into bare pointers.
10467 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10468 (insn_code_number): Delete.
10469 (accum_extract): New struct.
10470 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10471 (gen_insn): Take insn_code_number as an argument. Use an
10472 accum_extract structure instead of loading data directly into
10473 a struct extraction, and having to know how big it might get.
10474 (walk_rtx): Operate entirely on an accum_extract structure.
10475 (print_path): Avoid unnecessary use of printf.
10476 (print_header): New function, split out of main. Distinguish
10477 more carefully between an unrecognizable insn and an insn that
10478 has the code number of a define_expand.
10479 (main): Pass insn_code_number to gen_insn. Call print_header
10480 only after parsing. Avoid unnecessary use of printf.
10481 * Makefile.in (build/vec.o): New rule.
10482 (build/genextract): Depend on build/vec.o.
10483 (build/genextract.o): Don't depend on insn-config.h.
10485 2006-01-22 Zack Weinberg <zackw@panix.com>
10487 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10488 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10489 practical. Eliminate per-generator-program link rules.
10491 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10493 PR middle-end/24437
10494 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10495 with a call expr to ...
10496 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10498 2006-01-23 Richard Guenther <rguenther@suse.de>
10500 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10501 before make_edge with conditional EDGE_TRUE_VALUE.
10503 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10504 Jan Hubicka <jh@suse.cz>
10505 Richard Guenther <rguenther@suse.de>
10507 PR rtl-optimization/25654
10508 * cfgexpand.c (aggregate_contains_union_type): New function.
10509 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10510 for structure variables that contain a union type.
10512 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10514 * gengtype.c (new_structure): Return the structure.
10515 (create_option): Add an extra "next" argument.
10516 (create_field): New function.
10517 (adjust_field_rtx_def): Use create_option and create_field.
10518 Remove a now-unnecessary call to find_structure.
10519 (adjust_field_tree_def): Likewise.
10520 (note_yacc_type): Remove an unnecessary call to find_structure.
10521 * gengtype.h (new_structure): Return the structure.
10522 (create_option): Add an extra argument.
10523 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10524 (option): Adjust calls to create_option.
10526 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10528 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10530 2006-01-22 Paul Brook <paul@codesourcery.com>
10531 Peter Barada <peter@the-baradas.com>
10533 * config/m68k/m68k.md: Add Coldfire FPU support.
10534 Define FP mode macro and associated attributes.
10535 Use it for float mode patterns.
10536 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10537 (LIBCALL_VALUE): Use m68k_libcall_value.
10538 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10539 (m68k_function_value): Ditto.
10540 (emit_move_sequence): Ditto.
10541 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10542 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10543 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10544 (MULTILIB_EXCEPTIONS): Ditto.
10545 * config/m68k/m68k.opt: Add mcfv4e.
10546 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10547 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10548 (m68k_output_function_prologue): Save ColdFire FPU registers.
10549 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10550 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10551 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10552 ColdFire FPU registers.
10553 (m68k_libcall_value, m68k_function_value): New functions.
10554 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10555 (LIBCALL_VALUE): Use m68k_libcall_value.
10556 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10557 (MASK_COLDFIRE): Add MASK_CFV4E.
10558 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10559 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10560 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10561 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10562 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10563 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10564 * doc/invoke.tex: Document -mcfv4e on m68k.
10566 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10568 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10571 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10574 * c-opts.c (c_common_handle_option): Don't include
10575 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10576 * doc/invoke.texi (C++ Dialect Options): Document that
10577 -Wnon-virtual-dtor is no longer included in -Wall.
10579 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10581 * gcov.c (print_version), gcov-dump.c (print_version),
10582 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10585 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10587 * df-scan.c (problem_SCAN): Added NULL reset function.
10588 (df_scan_reset_blocks): Added code to call reset block function
10589 (df_bb_refs_delete) Fixed comment.
10590 (df_insn_refs_delete): Made tolerant of deleting non existent info
10591 for dataflow problems that need to be reset.
10592 * df-core.c (df_set_blocks): Ditto.
10593 * df.h (struct df_problem): Added reset_fun.
10594 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10595 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10596 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10597 functions to clear out all references to def-use or use-def chains.
10599 2006-01-21 Ben Elliston <bje@au.ibm.com>
10601 * varasm.c (assemble_real): Initialise data array.
10603 2006-01-20 Paul Brook <paul@codesourcery.com>
10605 Merge from csl-arm-branch.
10606 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10607 * config/arm/arm.md (movdi): Force operands[1] to a register
10608 if we have a non-register source.
10609 (*arm_movdi, *movdf_soft_insn): Require that one of the
10610 operands be a register.
10611 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10612 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10614 2006-01-20 DJ Delorie <dj@redhat.com>
10616 * varasm.c (initializer_constant_valid_p): Allow pointers
10617 initialized from integer constants of lesser precision.
10618 (output_constant): Allow non-int-sized pointer modes to be
10619 initialized from integer constants.
10621 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10624 * cppdefault.h (struct default_include): Add multilib flag.
10625 * cppdefault.c (cpp_include_defaults): Set it.
10626 * c.opt (-imultilib): New option.
10627 * c-opts.c (imultilib): New.
10628 (c_common_handle_option): Handle -imultilib.
10629 (c_common_post_options): Likewise.
10630 * c-incpath.c (add_standard_paths, register_include_chains):
10632 * c-incpath.h (register_include_chains): Add extra parameter.
10633 * gcc.c (do_spec_1): Generate -imultilib option.
10634 (The Specs Language): Update %I description.
10635 (process_command): Update copyright notice.
10636 * doc/cppopts.texi (-imultilib): Document.
10637 * doc/invoke.texi (-imultilib): Include in option summary.
10638 (%I): Update specs documentation.
10640 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10642 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10644 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10646 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10649 2006-01-20 Richard Guenther <rguenther@suse.de>
10650 Steven Bosscher <stevenb.gcc@gmail.com>
10652 PR rtl-optimization/24626
10653 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10654 EDGE_TRUE_VALUE if in RTL mode.
10657 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10658 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10660 2006-01-20 Dirk Mueller <dmueller@suse.com>
10663 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10664 instead of a special NOP marker.
10665 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10666 NOP marker handling.
10667 * c-common.h (empty_body_warning): Add forward declaration.
10668 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10669 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10671 2006-01-20 Paul Brook <paul@codesourcery.com>
10673 * Makefile.in (lang_checks): Keep going if mkdir fails.
10675 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10677 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10678 be able to clean out basic block when not necessary.
10679 (df_scan_free): Fixed to properly delete information if df is
10680 unused before calling df_finish.
10681 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10682 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10684 (df_bb_refs_delete): New function.
10685 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10686 * df-core.c (df_set_blocks): Added code to properly clean out
10687 unused blocks if they are not part of the blocks to consider.
10688 Added additional null check.
10689 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10690 be able to clean out basic block when not necessary
10691 * df.h (df_free_bb_function): Ditto.
10692 (df_bb_refs_delete): New function.
10693 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10694 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10695 basic block parameter to be able to clean out basic block when not
10697 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10698 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10699 Fixed to properly delete information if df is unused before
10702 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10704 PR rtl-optimization/25799
10705 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10706 Corrected confluence operator to remove bits from op2 before oring
10707 with op1 rather than removing bits from op1.
10708 (df_ru_transfer_function): Corrected test on wrong bitmap which
10709 caused infinite loop. Both of these problems were introduced in
10710 the dataflow rewrite.
10712 2006-01-19 DJ Delorie <dj@redhat.com>
10714 * reload1.c (find_reload_regs): Note the details of reload
10715 failures in the dump file.
10716 (spill_failure): Likewise.
10718 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10720 * loop-iv.c: Include df.h and hashtab.h.
10721 (enum iv_grd_result): New enum.
10722 (DF_REF_IV, DF_REF_IV_SET): New macros.
10723 (struct biv_entry): New.
10724 (df, bivs): New global variables.
10725 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10726 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10728 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10729 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10730 analyzed_for_bivness_p, record_biv): New functions.
10731 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10732 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10733 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10735 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10737 (iv_number_of_iterations): Use new interface to iv analysis.
10738 * loop-unroll.c: Do not include varray.h.
10739 (analyze_iv_to_split_insn): Use new interface to iv
10741 * loop-unswitch.c (may_unswitch_on): Ditto.
10742 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10744 (df_bb_modify): Realloc tables to the new index.
10745 (df_find_use): New function.
10746 * df.h (df_find_use): Declare.
10747 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10749 * cfgloop.h (struct rtx_iv): Remove analysed field.
10750 (iv_get_reaching_def): Removed.
10751 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10752 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10753 (loop-iv.o): Add df.h and hashtab.h dependency.
10754 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10756 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10759 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10761 (__floatundisf, __floatundidf): Likewise.
10762 * libgcc2.h (IS_IBM_EXTENDED): Define.
10764 2006-01-19 DJ Delorie <dj@redhat.com>
10766 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10768 2006-01-19 Paul Brook <paul@codesourcery.com>
10770 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10771 as nothrow when unwinding tables are disabled.
10773 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10776 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10777 of bit-field" when in system header.
10779 2006-01-19 DJ Delorie <dj@redhat.com>
10781 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10782 the 16 bit shift limit of the m16c.
10784 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10787 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10788 * config/i386/i386.c (output_set_got): Output the label if we have one
10789 for the TARGET_DEEP_BRANCH_PREDICTION case.
10791 2006-01-19 Jan Hubicka <jh@suse.cz>
10792 H.J. Lu <hongjiu.lu@intel.com>
10793 Evandro Menezes <evandro.menezes@amd.com>
10795 * invoke.texi (generic): Document
10797 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10798 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10799 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10800 (x86_use_incdec, x86_pad_returns): New variables
10801 (TARGET_CPU_DEFAULT_generic): New constant
10802 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10803 (enum processor_type): Add generic32 and generic64.
10804 * i386.md (cpu attribute): Add generic32/generic64
10805 (movhi splitter): Behave sanely when both partial_reg_dependency and
10806 partial_reg_stall are set.
10807 (K8 splitters): Enable for generic as well.
10808 * predicates.md (incdec_operand): Use TARGET_INCDEC
10809 (aligned_operand): Avoid memory mismatch stalls.
10810 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10811 * ppro.md: Enable for generic32
10812 * i386.c (generic64_cost, generic32_cost): New.
10813 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10814 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10815 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10816 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10817 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10818 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10819 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10820 x86_accumulate_outgoing_args, x86_prologue_using_move,
10821 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10822 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10823 Enable for generic.
10824 (x86_use_incdec, x86_pad_returns): New.
10825 (override_options): Add generic32 and generic64, translate "generic"
10826 to generic32/generic64 and "i686" to "generic32", refuse
10827 "generic32"/"generic64" as arch target.
10828 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10829 (ix86_reorg): Honor PAD_RETURNS.
10831 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10833 * tree-pretty-print.c (dump_generic_node): Handle
10834 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10835 * cgraph.c (cgraph_expand_queue): Rename from
10836 cgraph_analyze_queue. Update all users.
10837 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10838 cgraph_expand_queue.
10839 (cgraph_expand_all_functions): Likewise.
10840 (cgraph_finalize_pending_functions): Remove. Update callers.
10842 * tree.h (OMP_DIRECTIVE_P): Define.
10843 (OMP_PARALLEL_FN): Define.
10844 (OMP_PARALLEL_DATA_ARG): Define.
10845 (OMP_SECTIONS_SECTIONS): Define.
10846 * tree-pass.h (pass_expand_omp): Declare.
10847 * omp-low.c (struct omp_region): Declare.
10848 (struct omp_context): Remove fields 'parallel_type',
10849 'parallel_start_ix' and 'parallel_start_additional_args'.
10851 (struct omp_for_data): Rename from struct expand_omp_for_data.
10852 (omp_regions): New static variable.
10853 (root_omp_region): New static variable.
10854 (find_omp_clause): Make static.
10855 (is_in_combined_parallel_ctx): Remove.
10856 (is_combined_parallel): New.
10857 (extract_omp_for_data): Move earlier in the file.
10858 (workshare_safe_to_combine_p): New.
10859 (get_ws_args_for): New.
10860 (determine_parallel_type): Move earlier in the file.
10861 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10863 (omp_copy_decl): Likewise.
10864 (create_omp_child_function): Likewise.
10865 (lookup_omp_region): New.
10866 (dump_omp_region): New.
10867 (debug_omp_region): New.
10868 (debug_all_omp_regions): New.
10869 (new_omp_region): New.
10870 (scan_omp_parallel): If parallel_nesting_level > 1, the
10871 directive is nested within another parallel directive.
10872 Set OMP_PARALLEL_FN.
10873 (scan_omp_for): Do not try to handle combined parallel+for
10875 Remove FIXME comment.
10876 (scan_omp_nested): Remove.
10877 (scan_omp_1): Do not call scan_omp_nested when
10878 parallel_nesting_level is > 1.
10879 Do not change the DECL_CONTEXT of local variables found.
10880 (lookup_decl_in_outer_ctx): New.
10881 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10882 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10883 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10884 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10885 If CTX is nested, lookup VAR in the outer context when
10886 building copy assignment.
10887 (lower_send_clauses): Rename from expand_send_clauses.
10888 If CTX is nested, lookup VAR in the outer context when
10889 building copy assignments.
10890 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10891 If CTX is nested, lookup VAR in the outer context when
10892 building copy assignments.
10893 (expand_parallel_call): Rename from build_parallel_call.
10894 Handle combined parallel+workshare cases.
10895 Re-implement to emit code into the CFG.
10897 (expand_omp_parallel): Re-implement to emit code into the CFG.
10898 Call move_sese_region_to_fn to outline the sub-graph
10899 containing the parallel region.
10900 (expand_omp_for_1): Remove.
10901 (expand_omp_for_generic): Re-implement to emit code into the
10903 (expand_omp_for_static_nochunk): Likewise.
10904 (expand_omp_for_static_chunk): Likewise.
10905 (expand_omp_for): Likewise.
10906 (expand_omp_sections): Likewise.
10907 (remove_exit_barriers): New.
10908 (expand_omp_synch): New.
10910 (build_omp_regions_1): New.
10911 (build_omp_regions): New.
10912 (execute_expand_omp): New.
10913 (gate_expand_omp): New.
10914 (pass_expand_omp): Define.
10915 (lower_omp_sections): Rename from expand_omp_sections.
10916 Set OMP_SECTIONS_SECTIONS.
10917 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10918 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10919 (lower_omp_single): Rename from expand_omp_simple.
10920 (lower_omp_master): Rename from expand_omp_master.
10921 (lower_omp_ordered): Rename from expand_omp_ordered.
10922 (lower_omp_critical): Rename from expand_omp_critical.
10923 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10924 (lower_omp_for): Re-implement.
10925 (lower_omp_parallel): Re-implement.
10926 (lower_regimplify): Rename from expand_regimplify.
10927 (lower_omp_1): Rename from expand_omp_1.
10928 If there are syntax errors in the program, replace every
10929 OpenMP directive with NOP.
10930 Call lower_omp_* instead of expand_omp_*.
10931 (lower_omp): Rename from expand_omp.
10933 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10934 * tree-gimple.h (enum omp_parallel_type): Remove.
10935 (gimple_boolify): Declare extern.
10936 (find_omp_clause, determine_parallel_type): Remove.
10938 * gimple-low.c (lower_omp_directive): New.
10939 (lower_stmt): Call it.
10940 (record_vars_into): Move from ...
10941 (record_vars): ... here.
10942 Call record_vars_into with current_function_decl.
10944 * gimplify.c (struct gimplify_ctx): Remove fields
10945 combined_pre_p and combined_ctxp. Update users.
10946 (get_formal_tmp_var): Add documentation.
10947 (gimple_boolify): Make extern.
10948 (gimplify_expr_in_ctx): Remove. Update callers.
10949 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10950 will always be a BIND_EXPR.
10951 (gimplify_expr): Handle OMP_RETURN_EXPR.
10952 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10953 (OMP_PARALLEL): Add 3 operands.
10954 (OMP_SECTIONS): Add 1 operand.
10955 (OMP_RETURN_EXPR): Define.
10957 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10958 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10959 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10960 creating a circular free list.
10961 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10963 * tree-flow.h (move_sese_region_to_fn): Declare.
10964 (record_vars_into): Declare.
10965 * tree-cfg.c (make_omp_sections_edges): New.
10966 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10967 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10968 OMP_SECTIONS and OMP_SECTION.
10969 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10970 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10971 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10972 (gather_blocks_in_sese_region): New.
10973 (struct move_stmt_d): Declare.
10974 (move_stmt_r): New.
10975 (move_block_to_fn): New.
10976 (move_sese_region_to_fn): New.
10978 * passes.c (init_optimization_passes): Schedule
10979 pass_expand_omp after pass_init_datastructures.
10981 * tree-ssa-operands.c (get_expr_operands): Handle
10982 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10983 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10985 2006-01-19 Jeff Law <law@redhat.com>
10987 * tree-vrp.c (extract_range_from_assert): Refine the result range
10988 if the variable referenced by the ASSERT_EXPR has a range and
10989 either the tentative result range or the previous range is a
10992 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10994 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10996 2006-01-19 Jan Hubicka <jh@suse.cz>
10998 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11000 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11002 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11003 (expand_compound_operation, expand_field_assignment): Fail if the
11004 bit lengths of an extract operation are out of range.
11005 (make_extraction): Compute wanted_inner_mode based on the position
11006 and length of the extraction. Make it extraction_mode for non-constant
11007 positions, and do not modify offset in that case. When generating a
11008 new MEM, use a mode that can hold the extraction while keeping correct
11009 alignment. Remove code that supported MEMs wrapped by USEs.
11010 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11012 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11014 * config/s390/s390.md ("Y", "y"): New mode attribute.
11015 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11016 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11017 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11018 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11019 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11020 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11021 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11022 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11023 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11024 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11025 "addsi3", "subsi3"): Insn patterns removed.
11026 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11027 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11028 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11029 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11030 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11031 "*sub<mode>3_cconly2"): New insn patterns.
11032 ("addsi3", "subsi3"): New expanders.
11034 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11036 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11037 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11038 existing STMT_VINFO_VECTYPE if available.
11039 (vect_mark_relevant): Add special handling for stmts that are
11040 marked as STMT_VINFO_IN_PATTERN_P.
11041 (vect_analyze_loop): Call vect_pattern_recog.
11042 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11043 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11045 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11046 (vect_recog_func_ptr): New function-pointer type.
11047 * tree-vect-patterns.c: New file.
11048 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11049 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11050 (vect_pattern_recog_1): New functions.
11051 (vect_pattern_recog_funcs): New array of function pointers.
11053 * tree-vectorizer.h (ternary_op): New enum value.
11054 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11055 declaration. Revised documentation. Removed redundant dump prints.
11056 Removed redundant argument. Added support for reduction patterns.
11057 (vectorizable_reduction): Added support for reduction patterns.
11058 (vect_transform_stmt): Added support for patterns.
11060 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11061 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11062 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11063 (expand_widen_pattern_expr): New function.
11064 (init_optabs): Initialize new optabs udot_prod_optab,
11066 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11067 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11068 (expand_widen_pattern_expr): New function declaration.
11069 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11071 * tree-inline.c (estimate_num_insns_1): Added cases for new
11072 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11073 * tree-pretty-print.c (dump_generic_node): Likewise.
11074 (op_prio): Likewise.
11075 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11076 * tree-ssa-operands.c (get_expr_operands): Added case for
11078 * tree-vect-patterns.c (widened_name_p): New function.
11079 (vect_recog_dot_prod_pattern): Added function implementation.
11080 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11081 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11082 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11083 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11085 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11086 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11087 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11088 (init_optabs): Initialize new optabs widen_ssum_optab,
11090 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11091 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11092 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11093 use instead of type of def.
11094 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11095 function implementation.
11096 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11097 widen_ssumv8hi): New.
11099 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11102 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11105 * c-decl.c (add_flexible_array_elts_to_size): New function.
11106 (finish_decl): Use it.
11108 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11110 * diagnostic.h: Include options.h.
11111 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11112 dependancies for diagnostic.h.
11113 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11115 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11117 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11118 (ssa_ro_call_cache_valid): Ditto.
11119 * tree-ssa-alias.c (sort_tags_by_id): New function.
11120 (init_transitive_clobber_worklist): Ditto.
11121 (add_to_worklist): Ditto.
11122 (mark_aliases_call_clobbered): Ditto.
11123 (compute_tag_properties): Ditto.
11124 (set_initial_properties): Ditto.
11125 (compute_call_clobbered): Ditto.
11126 (compute_may_aliases): Call compute_call_clobbered and grouping.
11127 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11128 (compute_flow_insensitive_aliasing): Grouping now happens in our
11130 (setup_pointers_and_addressables): Remove clobbering related code.
11131 (add_may_alias): Ditto.
11132 (replace_may_alias): Ditto.
11133 (get_nmt_for): Ditto.
11134 (create_global_var):
11135 (is_escape_site): Return an escape_type enumeration.
11136 * tree-flow-inline.h (is_call_clobbered): Global var does not
11137 imply call clobbered.
11138 (mark_call_clobbered): Take a reason for marking this. Remove
11139 marking of globalness, and cache invalidation.
11140 (clear_call_clobbered): Remove cache invalidation code.
11141 * tree-dfa.c (dump_variable): If details is on, dump the reason
11143 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11145 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11146 (struct var_ann_d): Ditto.
11147 (enum escape_type): New.
11148 (mark_call_clobbered): Adjust prototype.
11149 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11150 are never call clobbered.
11151 Record reasons for escaping.
11152 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11153 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11154 (ssa_ro_call_cache_valid): Ditto.
11155 (clobbered_v_may_defs): Ditto.
11156 (clobbered_vuses): Ditto.
11157 (ro_call_vuses): Ditto.
11158 (clobber_stats): New.
11159 (init_ssa_operands): Zero out clobber stats.
11160 (fini_ssa_operands): Print out clobber stats.
11161 (get_call_expr_operands): Pass callee fndecl to
11162 add_call_read_ops).
11163 (add_call_clobber_ops): Remove use of cache.
11164 Add use of PURE_CONST information.
11165 (add_call_read_ops): Remove use of cache.
11166 Add use of static not_read information.
11168 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11170 Introduce TLS descriptors for i386 and x86_64.
11171 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11172 (TARGET_ANY_GNU_TLS): New macro.
11173 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11174 (struct machine_function): Add tls_descriptor_call_expanded_p.
11175 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11176 (ix86_current_function_calls_tls_descriptor): Likewise.
11177 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11178 (override_options): Introduce gnu2 tls dialect.
11179 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11181 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11183 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11184 (ix86_init_machine_status): Initialize new field.
11185 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11186 (ix86_tls_module_base): New.
11187 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11188 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11189 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11190 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11191 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11192 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11193 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11194 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11195 * config/i386/predicates.md (tls_modbase_operand): New.
11196 (tp_or_register_operand): New.
11198 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11200 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11201 (look_for_address_of): Ditto.
11202 (ipa_init): Walk the function decls.
11203 (static_execute): Don't set readonly on FUNCTION_DECL's.
11205 2006-01-18 Roger Sayle <roger@eyesopen.com>
11207 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11208 for shifts where the source and destination registers are different.
11210 2006-01-18 Paul Brook <paul@codesourcery.com>
11212 Merge from csl-arm-branch.
11213 2005-03-14 Julian Brown <julian@codesourcery.com>
11214 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11215 (aeabi_llsl): Likewise.
11216 (ashrdi3): Likewise.
11217 (aeabi_lasr): Likewise.
11218 (lshrdi3): Likewise.
11219 (aeabi_llsr): Likewise.
11220 2005-03-10 Julian Brown <julian@codesourcery.com>
11221 * config.gcc: Disable shared libgcc for SymbianOS.
11222 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11224 2006-01-18 DJ Delorie <dj@redhat.com>
11226 * c-pragma.c (handle_pragma_diagnostic): New.
11227 (init_pragma): Register it.
11228 * doc/extend.texi: Document it.
11230 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11231 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11232 (diagnostic_context): Add classify_diagnostic[].
11233 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11234 as errors if they're overridden to DK_WARNING.
11235 (diagnostic_initialize): Initialize classify_diagnostic[].
11236 (diagnostic_set_kind_override): New.
11237 (diagnostic_report_diagnostic): Check for kind changes.
11238 * opts.c (common_handle_option): Take lang_mask. Update callers.
11239 Handle OPT_Werror_.
11240 * common.opt (Werror=): New.
11241 * doc/invoke.texi: Document -Werror=*
11243 2006-01-18 Jeff Law <law@redhat.com>
11245 * tree-vrp.c (test_for_singularity): Correct test for new
11246 min limit. Use operand_equal_p rather than pointer equality
11247 for testing if new min/max values are equal.
11249 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11250 using range information until after propagation and folding.
11252 2006-01-18 Richard Henderson <rth@redhat.com>
11253 Aldy Hernandez <aldyh@redhat.com>
11254 Jakub Jelinek <jakub@redhat.com>
11255 Diego Novillo <dnovillo@redhat.com>
11257 * omp-low.c: New file.
11258 * c-omp.c: New file.
11260 2006-01-18 Richard Henderson <rth@redhat.com>
11261 Jakub Jelinek <jakub@redhat.com>
11262 Diego Novillo <dnovillo@redhat.com>
11264 * doc/invoke.texi: Document -fopenmp.
11265 * tree-dump.h (debug_function): Declare.
11266 * hooks.c (hook_bool_tree_bool_false): New function.
11267 (hook_tree_tree_null): Remove.
11268 (hook_tree_tree_tree_null): New.
11269 * hooks.h: Update to match.
11270 * tree-pretty-print.c (debug_tree_chain): New.
11271 (print_generic_expr): Handle TDF_CHAIN.
11272 (dump_generic_node): Handle BLOCK.
11273 Do not abort with incomplete SWITCH_EXPRs.
11274 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11275 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11276 print space after directive name.
11277 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11278 Handle OMP_MASTER and OMP_ORDERED.
11279 Handle printing of OMP_BODY just in one place, goto
11280 dump_omp_body in the rest of OMP_* nodes that have
11282 Don't handle clause nodes here. Update omp statements to
11283 use dump_omp_clauses.
11284 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11285 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11286 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11287 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11288 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11289 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11290 Adjust output for GOMP_PARALLEL.
11291 (dump_omp_clauses): New.
11292 (print_declaration): Dump DECL_VALUE_EXPR.
11293 (op_symbol_1): Split out of op_symbol.
11294 (dumping_stmts): Remove. Update all users.
11295 * cgraph.c (cgraph_analyze_queue): New.
11296 (cgraph_add_new_function): New.
11297 * cgraph.h (cgraph_analyze_queue): Declare.
11298 (cgraph_add_new_function): Declare.
11299 (cgraph_lower_function): Remove.
11300 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11301 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11302 and TYPE_P nodes in its default clause.
11303 (empty_body_p): New.
11304 (tree_range_check_failed): New.
11305 (build5_stat): New.
11306 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11307 OMP_CLAUSE_REDUCTION_MERGE,
11308 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11309 OMP_CLAUSE_PRIVATE_DEBUG,
11310 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11311 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11312 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11313 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11314 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11315 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11316 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11317 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11318 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11319 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11320 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11321 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11322 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11323 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11324 (TREE_RANGE_CHECK): New.
11325 (empty_body_p): Declare.
11326 (enum omp_clause_default_kind): New.
11327 (build_string_literal): Declare.
11328 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11329 (build5_stat, build5): Declare.
11330 * tree-pass.h (TDF_CHAIN): Define.
11331 * tree-pass.h (PROP_gimple_lomp): Define.
11332 (pass_lower_omp): Declare.
11333 * diagnostic.h (debug_tree_chain): Declare.
11334 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11336 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11337 * builtins.c (build_string_literal): Make extern.
11338 * gcc.c (include_spec_function): New.
11339 (static_spec_functions): Add it.
11340 (main): Move load of libgomp.spec ...
11341 (LINK_COMMAND_SPEC): ... here.
11342 (link_gomp_spec): New.
11343 (static_specs): Include it.
11344 (LINK_COMMAND_SPEC): Add link_gomp.
11345 (GOMP_SELF_SPECS): New.
11346 (driver_self_specs): Include it.
11347 (switch_matches): Don't mark inline.
11348 (main): Load libgomp.spec.
11349 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11350 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11351 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11352 * tree-gimple.h (enum omp_parallel): Declare.
11353 (determine_parallel_type): Declare.
11354 (omp_firstprivatize_variable): Declare.
11355 (omp_reduction_init): Declare.
11356 (diagnose_omp_structured_block_errors): Declare.
11357 (struct walk_stmt_info): Add want_return_expr.
11358 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11359 (find_omp_clause): Declare.
11360 (insert_field_into_struct): Declare.
11361 (struct walk_stmt_info): Move from tree-nested.c
11362 (walk_stmts): Declare.
11363 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11365 * cgraphunit.c (cgraph_lower_function): Make static.
11366 (cgraph_finalize_pending_functions): New.
11367 (cgraph_finalize_function): Call it.
11368 (cgraph_finalize_compilation_unit): Likewise.
11369 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11370 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11371 (BT_FN_UINT_UINT): New.
11372 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11373 DEF_FUNCTION_TYPE_VAR_4): Document.
11374 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11375 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11376 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11377 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11378 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11379 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11380 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11381 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11382 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11383 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11384 into separate files.
11385 (DEF_GOMP_BUILTIN): New.
11386 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11387 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11388 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11389 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11390 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11391 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11392 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11393 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11394 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11395 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11396 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11397 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11398 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11399 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11400 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11401 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11402 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11403 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11404 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11405 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11406 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11407 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11408 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11409 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11410 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11411 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11412 * sync-builtins.def: New file, moved from builtins.def.
11413 * omp-builtins.def: New file, moved from builtins.def.
11414 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11415 * gimple-low.c (lower_function_body): Clear data.
11416 (lower_stmt): Do not handle COMPOUND_EXPR.
11417 Remove call to print_node_brief.
11418 * c-tree.h (c_finish_omp_clauses): New prototype.
11419 (C_DECL_THREADPRIVATE_P): Define.
11420 (lookup_name_no_remap, c_omp_remap_private): Remove
11421 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11422 (check_for_loop_decls): Update decl.
11423 (lookup_name_no_remap, c_omp_remap_private): Declare.
11424 (build_indirect_ref, build_modify_expr, pushdecl,
11425 pushdecl_top_level): Move to c-common.h.
11426 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11427 before the switch, but just in the 2 places that need it.
11428 * c-decl.c (diagnose_mismatched_decls): Do not check for
11429 mismatched thread-local attributes when OLDDECL is marked
11430 threadprivate and NEWDECL has no thread-local attributes.
11431 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11432 (c_gimple_diagnostics_recursively): Rename from
11433 c_warn_unused_result_recursively. Invoke
11434 diagnose_omp_structured_block_errors.
11435 (check_for_loop_decls): Return a singular decl found.
11436 * langhooks.c (lhd_omp_predetermined_sharing): Return
11437 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11438 (lhd_omp_firstprivatize_type_sizes): New.
11439 (lhd_omp_assignment): New.
11440 (lhd_omp_predetermined_sharing): New.
11441 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11442 (struct lang_hooks_for_types): Add
11443 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11444 omp_predetermined_sharing, omp_disregard_value_expr,
11445 omp_private_debug_clause, omp_clause_default_ctor,
11446 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11447 (c_finish_omp_clauses): New.
11448 (c_finish_bc_stmt): Diagnose break within omp for.
11449 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11450 (build_unary_op): Return error_mark after reporting
11452 (build_modify_expr): Likewise.
11453 * gimplify.c: Include optabs.h and pointer-set.h.
11454 (enum gimplify_omp_var_data): Declare.
11455 (struct gimplify_omp_ctx): Declare.
11456 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11458 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11459 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11460 (splay_tree_compare_decl_uid): New.
11461 (new_omp_context): New.
11462 (delete_omp_context): New.
11463 (gimple_add_tmp_var): Call omp_add_variable.
11464 (gimplify_bind_expr): Likewise.
11465 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11466 true, disregard DECL_VALUE_EXPR on the decl if any.
11467 (gimplify_expr_in_ctx): New.
11468 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11469 omp_add_variable, omp_notice_variable, omp_is_private
11470 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11471 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11472 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11473 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11474 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11475 gimplify_omp_atomic): New.
11476 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11477 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11478 OMP_CRITICAL and OMP_ATOMIC.
11479 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11480 * c-pragma.h (enum pragma_kind): Add
11481 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11482 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11483 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11484 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11485 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11486 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11487 PRAGMA_OMP_THREADPRIVATE.
11488 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11489 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11490 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11491 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11492 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11493 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11494 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11495 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11496 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11497 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11498 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11499 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11500 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11502 (struct nesting_info): Add field_map,
11503 suppress_expansion, debug_var_chain.
11504 (create_nesting_tree): Initialize them.
11505 (lookup_field_for_decl): Use field_map.
11506 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11507 (convert_local_omp_clauses): New.
11508 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11509 (walk_body): Split out of walk_function.
11510 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11511 (convert_nonlocal_reference): Handle omp statements.
11512 (convert_local_reference): Likewise.
11513 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11514 (unnest_nesting_tree): New.
11515 (lower_nested_functions): Call it.
11516 (insert_field_into_struct): Make extern.
11517 (struct walk_stmt_info): Move to tree-gimple.h.
11518 (walk_stmts): Make extern.
11519 * omp-builtins.def: New file.
11520 * tree-iterator.c (expr_only): Clarify comment.
11521 * c-common.h (pushdecl_top_level, pushdecl,
11522 build_modify_expr, build_indirect_ref,
11523 c_finish_omp_master, c_finish_omp_critical,
11524 c_finish_omp_ordered, c_finish_omp_barrier,
11525 c_finish_omp_atomic, c_finish_omp_flush,
11526 c_finish_omp_for, c_split_parallel_clauses,
11527 omp_clause_default_kind, c_omp_sharing_predetermined,
11528 c_omp_remap_decl): Declare.
11529 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11530 (OBJS-common): Add omp-low.o.
11531 (c-omp.o, omp-low.o): Add.
11532 (gimplify.o): Add dependency on $(OPTABS_H).
11533 (GTFILES): Add omp-low.c.
11534 (gt-stringpool.h): Add.
11535 * tree-cfg.c (set_bb_for_stmt): Do not update the
11536 block-to-labels map if we are currently expanding to RTL.
11537 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11539 Handle IDENTIFIER_NODE.
11540 (tree_verify_flow_info): Do not ICE when emitting error
11541 messages about invalid labels.
11542 (dump_function_to_file): Reset CFUN before emitting the body
11544 (debug_function): New.
11545 * passes.c (init_optimization_passes): Schedule
11547 * langhooks-def.h (lhd_omp_predetermined_sharing,
11548 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11550 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11551 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11552 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11553 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11554 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11555 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11556 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11557 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11558 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11559 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11560 (LANG_HOOK_DECLS): Use them.
11562 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11563 Richard Henderson <rth@redhat.com>
11564 Jakub Jelinek <jakub@redhat.com>
11565 Diego Novillo <dnovillo@redhat.com>
11567 * c-parser.c (pragma_omp_clause): Define.
11568 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11569 (c_parser_compound_statement): Likewise.
11570 (c_parser_statement): Likewise.
11571 (c_parser_pragma): Handle omp pragmas.
11572 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11573 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11574 (c_parser_omp_clause_name, check_no_duplicate_clause,
11575 c_parser_omp_variable_list,
11576 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11577 c_parser_omp_clause_copyprivate,
11578 c_parser_omp_clause_default,
11579 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11580 c_parser_omp_clause_lastprivate,
11581 c_parser_omp_clause_nowait,
11582 c_parser_omp_clause_num_threads,
11583 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11584 c_parser_omp_clause_reduction,
11585 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11586 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11587 c_parser_omp_atomic, c_parser_omp_barrier,
11588 c_parser_omp_critical, c_parser_omp_flush,
11589 c_parser_omp_for_loop, c_parser_omp_for,
11590 c_parser_omp_master, c_parser_omp_ordered,
11591 c_parser_omp_sections_scope, c_parser_omp_sections,
11592 c_parser_omp_parallel, c_parser_omp_single,
11593 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11594 * c-pragma.c (init_pragma): Do omp pragma registration here.
11595 * c.opt (fopenmp): New flag.
11597 2006-01-18 Eric Christopher <echristo@apple.com>
11599 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11600 * config/darwin.h (GOMP_SELF_SPECS): Define.
11602 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11604 * rtl.h: Remove the prototype for reg_alloc.
11606 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11609 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11610 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11611 sjlj and dwarf2 exception handling.
11612 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11613 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11614 * pa/pa.c (function_value): Treat complex and vector types as
11616 (function_arg): Likewise. Only pass scalar floats in the floating
11617 point argument registers.
11618 * pa/t-slibgcc-dwarf-ver: New file.
11619 * pa/t-slibgcc-sjlj-ver: New file.
11620 * pa/t-slibgcc-elf-ver: Delete file.
11622 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11624 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11625 unlikely_test_section_p test.
11627 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11629 * mode-switching.c (optimize_mode_switching): Make it static.
11630 * basic-block.h: Remove the prototype for
11631 optimize_mode_switching.
11633 * modulo-sched.c (sms_schedule): Make it static.
11634 * rtl.h: Remove the prototype for sms_schedule.
11636 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11637 * rtl.h: Remove the prototype for gcse_after_reload_main.
11639 * reg-stack.c (reg_to_stack): Make it static.
11640 * rtl.h: Remove the prototype for reg_to_stack.
11642 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11644 * rtl.h: Remove the prototypes for regrename_optimize and
11645 copyprop_hardreg_forward.
11647 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11649 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11650 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11651 Test against the appropriate null constant for the mode.
11652 If 'fixup_overlap' is true, swap the operands if they overlap.
11653 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11654 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11655 alpha_split_tmode_pair and adjust for above change.
11656 * config/alpha/alpha.md (movtf_internal): Adjust call to
11657 alpha_split_tfmode_pair and rely on it to swap the operands.
11658 (movti_internal): New insn and post-reload splitter.
11659 (movti): New expander.
11661 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11663 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11666 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11668 * rtlanal.c (global_reg_mentioned_p_1,
11669 global_reg_mentioned_p): Remove.
11670 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11672 * flow.c (initialize_uninitialized_subregs): Make it static.
11673 * rtl.h: Remove the prototype for
11674 initialize_uninitialized_subregs.
11676 * function.c (instantiate_virtual_regs): Make it static.
11677 * function.h: Remove the prototype for
11678 instantiate_virtual_regs.
11680 * regmove.c (regmove_optimize, combine_stack_adjustments):
11682 * rtl.h: Remove the prototypes for regmove_optimize and
11683 combine_stack_adjustments.
11685 2006-01-17 Roger Sayle <roger@eyesopen.com>
11687 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11688 (size_cost): Encode costs in bytes so that a reg-reg addition is
11689 equivalent to COSTS_N_INSNS(1).
11690 (override_options): Use the size_cost.branch_cost as the default
11691 ix86_branch_cost when optimizing for size.
11693 2006-01-18 Ben Elliston <bje@au.ibm.com>
11695 * Makefile.in (D32PBIT_FUNCS): New.
11696 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11697 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11698 D64PBIT_FUNCS and D128PBIT_FUNCS.
11699 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11700 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11702 (decnumber_dep): Define.
11703 * doc/libgcc.texi (Decimal float library routines): New node.
11704 * config/dfp-bit.h, config/dfp-bit.c: New files.
11706 2006-01-18 Ben Elliston <bje@au.ibm.com>
11708 * expr.c (emit_move_change_mode): Always adjust addresses, not
11709 just during reload. Copy replacements only during reload.
11710 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11711 emit_move_via_integer.
11713 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11715 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11716 instead of $(srcdir) and ${srcdir}.
11718 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11721 PR middle-end/11135
11722 * arm.h (struct machine_function): Add pic_reg.
11723 * arm.c (arm_pic_register): Make unsigned.
11724 (arm_override_options): Only set arm_pic_register if
11725 TARGET_SINGLE_PIC_BASE.
11726 (use_return_insn): Only test for a pic register if it is fixed.
11727 (arm_compute_save_reg0_reg12_mask): Likewise.
11728 (thumb_compute_save_reg_mask): Likewise.
11729 (legitimate_pic_operand): Factor out some known invariants.
11730 (legitimize_pic_address): If we don't have a fixed pic register,
11731 then set up a pseudo in the function entry sequence. Handle the
11732 pic base being in a pseudo.
11733 (arm_load_pic_register): Handle the pic register being in a pseudo.
11734 (arm_expand_prologue): Only set up the pic register if it is fixed.
11735 (thumb_expand_prologue): Likewise.
11736 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11737 (pic_load_addr_based_insn): Likewise.
11738 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11741 2006-01-18 Ben Elliston <bje@au.ibm.com>
11743 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11744 decimal float modes for all floating point registers.
11746 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11747 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11749 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11752 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11753 even when the pointer is not NULL.
11755 2006-01-16 Ian Lance Taylor <ian@airs.com>
11757 * common.opt (ftoplevel-reorder): New option.
11758 * cgraph.c (cgraph_asm_nodes): New global variable.
11759 (cgraph_asm_last_node): New static variable.
11760 (cgraph_order): New global variable.
11761 (cgraph_create_node): Set new order field.
11762 (cgraph_varpool_node): Likewise.
11763 (decide_is_variable_needed): Return true if not
11764 flag_toplevel_reorder.
11765 (cgraph_add_asm_node): New function.
11766 * cgraph.h (struct cgraph_node): Add order field.
11767 (struct cgraph_varpool_node): Add order field.
11768 (struct cgraph_asm_node): Define.
11769 (cgraph_asm_nodes, cgraph_order): Declare.
11770 (cgraph_add_asm_node): Declare.
11771 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11773 (cgraph_varpool_assemble_pending_decls): Call it.
11774 (cgraph_output_pending_asms): New static function.
11775 (cgraph_finalize_compilation_unit): Call it.
11776 (struct cgraph_order_sort): Define.
11777 (cgraph_output_in_order): New static function.
11778 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11779 !flag_toplevel_reorder case.
11780 * c-parser.c: Include "cgraph.h".
11781 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11783 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11784 than -fno-unit-at-a-time.
11785 * doc/invoke.texi (Option Summary): Mention
11786 -fno-toplevel-reorder.
11787 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11788 -funit-at-a-time documentation.
11790 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11791 Kazu Hirata <kazu@codesourcery.com>
11793 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11795 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11797 * Makefile.in (FUNCTION_H): New. Use it instead of
11798 function.h throughout the file.
11799 * function.h: Include tree.h.
11801 2006-01-17 Ben Elliston <bje@au.ibm.com>
11803 * recog.c: Separate some functions with whitespace.
11805 2006-01-16 Richard Henderson <rth@redhat.com>
11807 Merge from gomp branch:
11808 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11809 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11810 and rename from struct inline_data. Rename callee* to dst*;
11811 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11812 transform_new_cfg, transform_return_to_modify, and
11813 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11815 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11816 (copy_decl_for_dup): Remove.
11817 * tree-inline.c (struct inline_data): Move to header.
11818 (insert_decl_map): Export.
11819 (remap_decl): Update for member name changes. Use copy_decl hook.
11820 Allow for replacement to be a non-decl. Remove dead code.
11821 (remap_type_1): Check for existing mapping.
11822 (remap_type): Export.
11823 (remap_decls): Update for member name changes.
11824 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11825 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11826 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11827 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11828 (tree_function_versioning, build_duplicate_type): Likewise.
11829 (copy_body_r): Likewise. Export.
11830 (copy_decl_for_dup): Split into ...
11831 (copy_decl_for_dup_finish, copy_decl_to_var,
11832 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11833 (replace_ref_tree, inlining_p): Remove.
11835 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11837 * ifcvt.c (if_convert): Make it static.
11838 * rtl.h: Remove the prototype for if_convert.
11840 * local-alloc.c (local_alloc): Make it static.
11841 * rtl.h: Remove the prototype for local_alloc.
11843 * loop.c (loop_optimize): Make it static.
11844 * cfgloop.h: Remove the prototype for loop_optimize.
11847 2006-01-16 DJ Delorie <dj@redhat.com>
11849 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11852 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11854 * pa.md: Disparage copies between general and floating-point registers
11855 in 32-bit move patterns.
11857 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11860 * Makefile.in (check-%): Depend on site.exp instead of
11861 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11864 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11866 * global.c (global_alloc): Make it static.
11867 * rtl.h: Remove the prototype for global_alloc.
11869 2006-01-16 Richard Guenther <rguenther@suse.de>
11871 * tree-ssa-alias.c (struct used_part): Add write_only field.
11872 (get_or_create_used_part_for): Initialize it to true.
11873 (create_overlap_variables_for): Don't create structure variables
11874 for structures that only are written to.
11875 (find_used_portions): Handle MODIFY_EXPR to track whether a
11876 structure is only written to.
11878 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11880 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11882 * basic-block.h: Remove the prototype for
11883 partition_hot_cold_basic_blocks.
11885 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11887 * cppspec.c (lang_specific_spec_functions): Remove.
11888 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11889 * gcc.h (lang_specific_spec_functions): Remove.
11890 * gccspec.c (lang_specific_spec_functions): Remove.
11892 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11894 * combine.c (record_value_for_reg): Invalidate registers
11896 (record_dead_and_set_regs_1): Likewise, by passing them to
11897 record_value_for_reg.
11898 (record_dead_and_set_regs): Invalidate stores made by a
11899 call. We do not combine across a call, but we still
11900 relied on equivalences.
11902 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11904 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11905 vrp_int_const_binop returning non-constant nodes.
11907 2006-01-16 Paul Brook <paul@codesourcery.com>
11909 * config/m68k/m68k.c (output_move_const_into_data_reg):
11910 Output correct mnemonic for mvz and mvs.
11912 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11914 * rtl-factoring.c: Add sequence abstraction algorithm.
11915 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11916 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11918 (block_has_preserve_label): New function.
11919 * common.opt: Register new pass.
11920 * Makefile.in: Ditto.
11922 * timevar.def: Ditto.
11923 * tree-pass.h: Ditto.
11924 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11925 * rtl.h (make_jump_insn_raw): Add forward decl.
11926 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11928 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11929 Roger Sayle <roger@eyesopen.com>
11931 * fold-const.c (fold_minmax): New static function.
11932 (fold_binary) <MIN_EXPR>: Call it.
11933 <MAX_EXPR>: Likewise.
11934 * stor-layout.c (place_field): Use DECL_SIZE consistently
11935 in the computation of the new record size.
11937 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11939 * cse.c (cse_condition_code_reg): Make it static.
11940 * rtl.h: Remove the prototype for cse_condition_code_reg.
11942 * combine.c (combine_instructions): Make it static.
11943 * rtl.h: Remove the prototype for combine_instructions.
11945 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11948 * tree.c (get_file_function_name_long): Concatenate the first global
11949 object name with a string derived from the input filename of the object
11952 2006-01-16 Ben Elliston <bje@au.ibm.com>
11954 * config/i386/winnt-stubs.c: Update FSF address.
11955 * config/xtensa/ieee754-df.S: Ditto.
11956 * config/xtensa/ieee754-sf.S: Ditto.
11958 2006-01-14 Ian Lance Taylor <ian@airs.com>
11960 * ifcvt.c (noce_init_if_info): New static function, broken out of
11961 noce_process_if_block.
11962 (noce_process_if_block): Call noce_init_if_info.
11963 (check_cond_move_block): New static function.
11964 (cond_move_process_if_block): New static function.
11965 (process_if_block): Call cond_move_process_if_block.
11967 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11969 * cselib.c (hash_table): Rename to cselib_hash_table.
11970 (cselib_clear_table, discard_useless_values,
11971 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11972 cselib_init, cselib_finish): Adjust uses of hash_table.
11974 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11976 PR tree-optimization/25485
11977 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11978 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11979 is known to be false and true, respectively.
11981 2006-01-14 Richard Guenther <rguenther@suse.de>
11983 PR tree-optimization/22548
11984 PR tree-optimization/22555
11985 PR tree-optimization/22501
11986 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11987 * params.def (salias-max-array-elements): New parameter.
11988 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11989 * doc/invoke.texi (salias-max-array-elements): Document.
11990 * tree-flow-inline.h (var_can_have_subvars): We also handle
11992 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11994 * tree-ssa-structalias.c (params.h): Include.
11995 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11996 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11997 (get_constraint_for): For ADDR_EXPR operating on something
11998 containing an ARRAY_REF, add all subvars to the solution.
11999 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12000 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12001 for creating MUST_DEFs.
12002 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12004 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12006 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12008 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12009 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12010 number_of_iterations_le): New functions.
12011 (number_of_iterations_special): Removed.
12012 (number_of_iterations_exit): Do not use number_of_iterations_special.
12013 * tree.c (unsigned_type_for): Always return integer type.
12015 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12016 Richard Guenther <rguenther@suse.de>
12018 PR rtl-optimization/24257
12019 * gcse.c (find_moveable_store): Only consider a store movable
12020 when the SET_SRC of the insn can be assigned to a register.
12022 2006-01-14 Ian Lance Taylor <ian@airs.com>
12024 * tree.c (tree_not_class_check_failed): New function.
12025 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12026 (tree_not_class_check_failed): Declare.
12028 2006-01-13 Ian Lance Taylor <ian@airs.com>
12030 * reload1.c (do_output_reload): Add assertion rejecting a
12033 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12035 * combine.c (struct reg_stat): Add new fields truncation_label and
12037 (record_value_for_reg): Reset truncated_to_mode.
12038 (record_truncated_value): New function.
12039 (check_promoted_subreg): Call it. Rename to check_conversions.
12040 (combine_instructions): Rename check_promoted_subreg to
12042 (reg_truncated_to_mode): New function.
12043 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12044 (gen_lowpart_or_truncate): New function.
12045 (force_to_mode): Use it instead of gen_lowpart.
12047 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12049 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12050 VAR is a tag, not its type tag.
12052 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12054 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12055 alternatives to match style of other entries.
12056 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12058 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12060 PR tree-optimization/25771
12061 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12064 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12067 * tree-inline.c (declare_return_variable): If the return variable
12068 was marked as a non gimple complex, set the return slot variable
12069 to be a non gimple comple variable.
12071 2006-01-13 Richard Guenther <rguenther@suse.de>
12073 * builtins.c (expand_builtin_sincos): New function.
12074 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12076 (expand_builtin): Expand sincos using expand_builtin_sincos.
12078 2006-01-12 DJ Delorie <dj@redhat.com>
12080 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12081 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12082 so that constant shifts can be split.
12083 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12084 (m32c_valid_pointer_mode): Make static.
12085 (shift_gen_func_for): New.
12086 (m32c_prepare_shift): Use it. Split large const shifts into
12088 * config/m32c/predicates.md (shiftcount_operand): Allow more
12090 (longshiftcount_operand): New.
12091 * doc/md.texi (Machine Constraints): Document In6.
12093 2006-01-13 Ben Elliston <bje@au.ibm.com>
12095 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12096 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12099 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12101 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12102 to try to avoid clobbering pieces of structures when we know
12103 something about the whole structure.
12104 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12106 2006-01-13 Ben Elliston <bje@au.ibm.com>
12108 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12109 return in memory, as this is no limitation is no longer present.
12111 2006-01-12 DJ Delorie <dj@redhat.com>
12113 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12114 mova with fb, and for fb+0 -> An.
12116 * config/m32c/mov.md (peephole2): Fix enabling logic.
12118 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12119 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12120 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12121 FINI_ARRAY_SECTION_ASM_OP): Define.
12123 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12125 (m32c_legitimize_reload_address): New logic to reload FB to An.
12126 (m32c_output_reg_push): Add newline.
12127 (m32c_output_reg_pop): Likewise.
12129 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12131 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12133 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12135 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12137 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12139 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12142 2006-01-11 Ben Elliston <bje@au.ibm.com>
12144 * rtlanal.c (find_reg_note): Assert insn is not null.
12146 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12148 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12151 2006-01-11 Jeff Law <law@redhat.com>
12153 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12155 (mark_threaded_blocks, register_jump_thread): New functions.
12156 (thread_through_all_blocks): Remove unwanted argument. No
12157 longer rely on e->aux to communicate thread target info.
12158 Call mark_threaded_blocks. Release the threaded_blocks
12159 bitmap and threaded_edges vector when complete.
12160 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12161 (threaded_blocks): Remove.
12162 (tree_ssa_dominator_optimize): Remove initialization and
12163 finalization of threaded_blocks. Simplify call to
12164 thread_through_all_blocks.
12165 (thread_across_edge): Call register_jump_thread rather than
12166 storing thread information into e->aux.
12167 (free_all_edge_infos): Simplify now that e->aux is no longer
12168 used to communicate with thread_through_all_blocks.
12169 * tree-flow.h (thread_through_all_blocks): Update prototype.
12170 (register_jump_thread): Prototype.
12172 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12174 * df-core.c (df_compact_blocks, df_bb_replace): Use
12175 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12177 2006-01-11 Richard Guenther <rguenther@suse.de>
12179 PR tree-optimization/25734
12180 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12181 stop propagation after successful propagation to the LHS.
12183 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12185 * basic-block.h (control_flow_graph): Change the type of
12186 x_basic_block_info to VEC(basic_block,gc) *.
12187 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12189 (SET_BASIC_BLOCK): New.
12190 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12191 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12192 * cfgbuild.c (find_basic_blocks): Likewise.
12193 * cfglayout.c (fixup_reorder_chain): Likewise.
12194 * cfgrtl.c (create_basic_block_structure,
12195 rtl_create_basic_block): Likewise.
12196 * ifcvt.c (find_if_case_1): Likewise.
12197 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12200 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12202 * Makefile.in: Removed rotted odf.c entry.
12204 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12207 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12208 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12209 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12210 output pattern modifier, not %e.
12211 * config/cris/cris.c (cris_op_str): Update comment about pattern
12213 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12214 before falling through into...
12215 <case 'E'>: Redefined from old 'e' case.
12217 2006-01-11 Jan Hubicka <jh@suse.cz>
12220 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12222 2006-01-11 Jan Hubicka <jh@suse.cz>
12224 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12225 * i386.c (x86_decompose_lea): Kill.
12226 (ix86_rtx_costs): Kill.
12228 2006-01-11 Jan Hubicka <jh@suse.cz>
12230 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12231 * cgraph.h (cgraph_node): Add inline_decl.
12232 (cgraph_insert_node_to_hashtable): Declare.
12233 (save_inline_function_body): Declare.
12234 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12236 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12237 (cgraph_function_versioning): Update call of tree_function_versioning.
12238 (save_inline_function_body): New function.
12239 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12240 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12241 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12242 (cgraph_default_inline_p): Likewise.
12243 (cgraph_decide_inlining_incrementally): Likewise.
12244 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12245 (copy_bb): Kill saving; do updating of clones.
12246 (copy_cfg_body): Kill saving.
12247 (initialize_inlined-parameters): Likewise.
12248 (expand_call_inline): Likewise.
12250 (tree_function_versioning): New parameter "update_clones".
12251 (inlining_p): Kill saving.
12252 * tree-inline.h (tree_function_versioning): Update prototype.
12253 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12256 2006-01-11 Ian Lance Taylor <ian@airs.com>
12258 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12259 Allow undoing set of machine mode.
12260 (do_SUBST): Use enums instead of is_int.
12261 (do_SUBST_MODE): New function.
12262 (SUBST_MODE): New macro.
12263 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12264 reg and trying to replace reg_regno_rtx with a new register.
12265 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12266 (simplify_set): Use SUBST_MODE.
12267 (distribute_notes): Remove code that tried to update reg notes
12268 for regno_reg_rtx changes.
12270 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12272 PR tree-optimization/23109
12273 PR tree-optimization/23948
12274 PR tree-optimization/24123
12276 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12277 * tree-cfg.c (single_noncomplex_succ): New.
12278 * tree-flow.h (single_noncomplex_succ): Declare it.
12279 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12280 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12281 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12282 insert_bb, register_division_in, insert_reciprocals,
12283 replace_reciprocal, free_bb): New.
12284 (execute_cse_reciprocals_1): Rewritten.
12285 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12286 Do not commit any edge insertion. Always compute dominators and
12287 create the allocation pool.
12288 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12289 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12290 * targhooks.c (default_min_divistions_for_recip_mul): New.
12291 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12292 * passes.c (init_optimization_passes): Run recip after tree loop
12294 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12296 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12297 Kenneth Zadeck <zadeck@naturalbridge.com>
12299 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12300 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12301 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12302 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12303 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12304 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12305 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12306 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12307 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12308 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12309 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12310 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12311 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12312 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12313 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12314 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12315 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12316 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12317 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12318 DF_SCAN_POST_ALLOC): New macros.
12319 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12320 df_free_bb_function, df_local_compute_function, df_init_function,
12321 df_dataflow_function, df_confluence_function_0,
12322 df_confluence_function_n, df_transfer_function,
12323 df_finalizer_function, df_free_function, df_dump_problem_function,
12324 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12325 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12326 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12327 df_urec_bb_info, ) New types.
12328 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12330 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12331 df_analyze_simple_change_some_blocks,
12332 df_analyze_simple_change_one_block, df_compact_blocks,
12333 df_bb_replace, df_bb_regno_last_use_find,
12334 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12335 df_insn_regno_def_p, df_find_def, df_find_use,
12336 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12337 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12338 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12339 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12340 debug_df_chain, df_get_dependent_problem, df_chain_create,
12341 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12342 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12343 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12344 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12345 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12346 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12347 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12348 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12349 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12350 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12351 df_reorganize_refs, df_set_state, df_hard_reg_init,
12352 df_read_modify_subreg_p) New public functions.
12353 * df-core.c: The core dataflow solver and glue routines for rtl
12355 (df_init, df_add_problem, df_set_blocks, df_finish,
12356 df_hybrid_search_forward, df_hybrid_search_backward,
12357 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12358 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12359 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12360 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12361 df_reg_defined, df_find_use, df_reg_used, df_dump,
12362 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12363 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12364 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12365 debug_df_useno, reset_df_after_reload): New functions.
12366 * df-scan.c: The scanning fuctions, once in df.c, completely
12367 rewritten so that they now fully model the functionality of
12368 register usage at the backend.
12369 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12370 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12371 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12372 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12373 df_get_artificial_defs, df_get_artificial_uses,
12374 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12375 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12376 df_refs_delete, df_reorganize_refs, df_set_state,
12377 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12378 df_def_record_1, df_defs_record, df_uses_record,
12379 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12380 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12381 df_record_exit_block_uses, df_hard_reg_init): New functions.
12383 * df-problems.c: Seven concrete dataflow problems that use the
12384 scanning in df-scan.c and are solved by the engine in df-core.c.
12385 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12386 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12387 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12388 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12389 df_ru_free_bb_info, df_ru_alloc,
12390 df_ru_bb_local_compute_process_def,
12391 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12392 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12393 df_ru_transfer_function, df_ru_free, df_ru_dump,
12394 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12395 df_rd_free_bb_info, df_rd_alloc,
12396 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12397 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12398 df_rd_transfer_function, df_rd_free, df_rd_dump,
12399 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12400 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12401 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12402 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12403 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12404 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12405 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12406 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12407 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12408 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12409 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12410 df_urec_mark_reg_use_for_earlyclobber,
12411 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12412 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12413 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12414 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12415 df_chain_create_bb_process_use, df_chain_create_bb,
12416 df_chain_finalize, df_chain_free, df_chains_dump,
12417 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12418 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12419 df_reg_lifetime): New functions.
12420 * df.c: Deleted file.
12421 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12422 consistent with new df api.
12423 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12424 rest_of_handle_sms): Ditto.
12425 * web.c (unionfind_union, union_defs, entry_register, web_main):
12427 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12428 invariant_expr_equal_p, find_defs, check_dependencies,
12429 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12430 free_inv_motion_data, move_loop_invariants): Ditto.
12431 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12432 Update dependencies.
12433 (odf.c): Added defective entry that was deleted later in day.
12434 * sched-deps.c (sched_analyze_1): Ditto.
12436 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12438 * tree-ssa-operands.c (get_expr_operands): Record addressable
12439 variables directly. Do not call add_stmt_operands for CONST_DECLs
12441 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12442 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12444 2006-01-11 Ben Elliston <bje@au.ibm.com>
12446 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12447 function returns true in the positive case.
12449 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12452 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12453 for SI, DI, SF and DF modes. Add alternatives to copy between
12454 general and floating point registers to the 32-bit patterns.
12455 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12456 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12457 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12458 generating 64-bit code.
12459 * config/pa/pa.c (output_move_double): Handle copies between general
12460 and floating registers.
12462 2006-01-10 Stuart Hastings <stuart@apple.com>
12464 * config/i386/i386.md (set_got): Update.
12465 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12466 (builtin_setjmp_receiver): Mach-O support.
12467 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12468 (GOT_SYMBOL_NAME): Define.
12469 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12470 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12471 * config/i386/i386.c (override_options): Revise for Darwin.
12472 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12473 support. (darwin_x86_file_end): New. (output_set_got): Add label
12474 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12475 * config/i386/i386-protos.h (output_set_got): Likewise.
12476 * config/darwin.c (machopic_legitimize_pic_address): Update
12479 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12481 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12482 when MODE isn't BLKmode.
12484 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12486 PR rtl-optimization/25367
12487 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12489 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12492 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12493 for a negative bound.
12495 2006-01-10 Richard Guenther <rguenther@suse.de>
12497 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12498 Never override with anything constraint.
12500 2006-01-10 Jan Beulich <jbeulich@novell.com>
12502 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12503 256 bits when optimize_size.
12505 2006-01-10 Jan Beulich <jbeulich@novell.com>
12507 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12509 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12510 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12513 2006-01-10 Ben Elliston <bje@au.ibm.com>
12515 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12517 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12518 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12519 (USE_FP_FOR_ARG): Reject decimal float modes.
12520 (function_arg_advance): Likewise.
12521 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12522 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12523 point types in AltiVec vectors.
12524 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12525 (rs6000_libcall_value): Likewise.
12527 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12529 * config/xtensa/ieee754-df.S: New file.
12530 * config/xtensa/ieee754-sf.S: New file.
12531 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12532 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12533 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12535 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12537 * config/sh/predicates.md (binary_float_operator,
12538 binary_logical_operator, commutative_float_operator,
12539 equality_comparison_operator, greater_comparison_operator,
12540 less_comparison_operator, logical_operator,
12541 noncommutative_float_operator, shift_operator,
12542 symbol_ref_operand, unary_float_operator): Remove redundant
12545 2006-01-09 Jeff Law <law@redhat.com>
12547 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12548 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12549 now unused arguments. Callers updated.
12550 (eliminate_redundant_computations): Remove now unused arguments,
12552 (local_fold): Remove, no longer used.
12553 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12555 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12556 (simplify_cond): New function.
12557 (forward_propagate_into_cond): Call simplify_cond.
12559 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12561 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12562 (*vec_extractv2di_1_sse): New.
12564 2006-01-09 Ben Elliston <bje@au.ibm.com>
12566 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12568 2006-01-08 Richard Guenther <rguenther@suse.de>
12570 * tree-ssa-structalias.c (get_constraint_for): Remove
12571 anyoffset argument.
12572 (get_constraint_for_component_ref): Likewise.
12573 (do_deref): Likewise.
12574 (get_constraint_for): Likewise.
12575 (do_structure_copy): Likewise.
12576 (handle_ptr_arith): Likewise.
12577 (find_func_aliases): Likewise. Remove unused need_anyoffset
12580 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12581 Kaz Kojima <kkojima@gcc.gnu.org>
12583 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12584 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12585 (EXTRA_CONSTRAINT_C16): Remove.
12586 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12587 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12588 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12589 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12590 constants of SHmedia. Handle nested constant expressions of
12592 (andcosts): Fix the costs for SHmedia constants.
12593 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12594 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12595 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12596 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12597 (movv4hi_i, movv2si_i): Likewise.
12598 (movsi_const): Adjust the second operand of ior so to match with
12599 the Csu constraint.
12600 (movdi_const, movdi_const_32bit): Likewise.
12601 (movdi_const_16bit+1): Don't sign-extend LOW.
12602 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12604 (*double_shori): Fix the split condition. Use GEN_INT instead
12605 of get_int_mode calls. Mask lower 16-bit of the argument of
12607 (sym2GOTPLT): Remove.
12608 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12610 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12611 instead of EXTRA_CONSTRAINT_C16.
12613 2006-01-07 Ian Lance Taylor <ian@airs.com>
12614 David Edelsohn <edelsohn@gnu.org>
12616 PR rtl-optimization/25662
12617 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12618 for constant operands instead of simplify_gen_binary.
12619 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12620 after trying simplify_binary_operation
12622 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12624 * tree.c (iterative_hash_expr): Hash decls based on UID.
12626 2006-01-06 Eric Christopher <echristo@apple.com>
12628 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12629 (TARGET_UNWIND_EMIT): Fix spelling.
12630 * target.h (gcc_target): Add except_table_label.
12631 * except.c (output_function_exception_table): Use.
12632 * varasm.c (default_emit_except_table_label): New.
12633 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12635 (asm_out): Add here.
12636 * output.h (default_emit_except_table_label): Prototype.
12637 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12638 * config/darwin.c (darwin_emit_except_table_label): Define.
12639 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12641 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12643 PR tree-optimization/18527
12644 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12645 number_of_iterations_special, number_of_iterations_exit):
12646 Move base and step of an iv to a single structure. Add
12647 no_overflow flag, and use it in # of iterations analysis.
12648 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12649 folded_casts argument.
12650 (simple_iv): Pass base and step in a structure. Set no_overflow
12652 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12653 Evaluate expensiveness of computing # of iterations instead of
12654 the final expression.
12655 * tree-scalar-evolution.h (affine_iv): New structure.
12656 (simple_iv): Declaration changed.
12657 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12658 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12659 find_givs_in_stmt): Changed due to simple_iv change.
12661 2006-01-06 Jeff Law <law@redhat.com>
12664 * tree-cfg.c (bsi_replace): Rename final argument from
12665 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12666 change (stmt -> orig_stmt).
12667 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12668 (bsi_remove): Add new argument. Remove EH information
12670 (verify_eh_throw_table_statements): New function.
12671 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12673 * tree-optimize.c (execute_free_cfg_annotations): Verify
12674 the EH throw statement table after removing annotations.
12675 * except.h (verify_eh_throw_table_statements): Prototype.
12676 * tree-flow.h (bsi_remove): Update prototype.
12677 * tree-vrp.c (remove_range_assertions): Add new argument to
12679 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12680 * tree-complex.c (expand_complex_div_wide): Likewise.
12681 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12682 * tree-tailcall.c (eliminate_tailcall): Likewise.
12683 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12684 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12685 * tree-nrv.c (tree_nrv): Likewise.
12686 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12687 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12688 (combine_blocks): Likewise.
12689 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12690 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12691 (cleanup_control_flow): Likewise.
12692 (remove_forwarder_block): Likewise.
12693 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12694 * tree-sra.c (sra_replace): Likewise.
12695 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12696 (forward_propagate_single_use_vars): Likewise.
12697 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12698 * tree-inline.c (expand_call_inline): Likewise.
12699 * tree-vect-transform.c (vect_transform_loop): Likewise.
12700 * tree-outof-ssa.c (rewrite_trees): Likewise.
12701 * tree-cfg.c (make_goto_expr_edges): Likewise.
12702 (cleanup_dead_labels): Likewise.
12703 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12704 (bsi_move_before, bsi_move_after): Likewise.
12705 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12706 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12708 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12711 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12713 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12714 on non gimple variables. Also add checks at the top for decls and
12716 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12718 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12719 and IMAGPART_EXPR for creating MUST_DEFs.
12720 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12721 and NAME_MEMORY_TAG separately from the DECLs.
12723 2006-01-06 Richard Guenther <rguenther@suse.de>
12725 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12726 annotation, if necessary.
12727 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12728 redundant calls to update_stmt.
12729 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12732 2006-01-05 Richard Henderson <rth@redhat.com>
12734 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12736 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12738 * c-typeck.c: Update copyright date.
12740 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12742 * c-typeck.c (build_c_cast): Always warn when casting
12743 from a pointer to an integer of different size, even if
12744 the node was constant.
12746 2006-01-05 Richard Guenther <rguenther@suse.de>
12748 PR tree-optimization/22555
12749 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12750 if one structure field is an array.
12751 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12752 operands even if we found a subvar, but ignore VOPs in this
12754 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12756 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12758 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12760 PR middle-end/24998
12761 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12763 2006-01-05 Richard Guenther <rguenther@suse.de>
12764 Diego Novillo <dnovillo@redhat.com>
12766 * tree-pass.h (TODO_remove_unused_locals): Define.
12767 * gimple-low.c (expand_var_p, remove_useless_vars,
12768 pass_remove_useless_vars): Remove. Update all users.
12769 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12770 (remove_unused_locals): New function.
12771 * tree-flow.h (remove_unused_locals): Declare.
12772 * passes.c (execute_todo): Call remove_unused_locals if
12773 TODO_remove_unused_locals is set.
12774 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12775 * tree-ssa-dce.c (pass_dce): Likewise.
12776 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12778 2006-01-05 Richard Guenther <rguenther@suse.de>
12780 * tree-flow.h (struct fieldoff): Decompose field to
12781 type, size and decl.
12782 * tree-ssa-alias.c (create_sft): Take type as parameter.
12783 (create_overlap_variables_for): Store type, size and decl
12784 in the fieldoff structure.
12785 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12786 of struct fieldoff.
12787 (push_fields_onto_fieldstack): Likewise.
12788 (create_variable_info_for): Likewise. Use offset for the
12789 SFT name if the decl is not available.
12791 2006-01-04 Paul Brook <paul@codesourcery.com>
12793 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12795 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12797 * lambda-code.c (can_put_in_inner_loop): Relax
12799 (can_put_after_inner_loop): New function.
12800 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12801 (perfect_nestify): Change to make copies and modify uses.
12803 2006-01-04 Richard Henderson <rth@redhat.com>
12805 Merge from gomp branch:
12806 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12807 via integer constant.
12808 (pragma_lex): Remove.
12809 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12810 rather than parsing it.
12811 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12812 handle_pragma_extern_prefix): Add %< %> quotes.
12813 (registered_pragmas): New.
12814 (c_register_pragma_1): New.
12815 (c_register_pragma): Use it.
12816 (c_register_pragma_with_expansion): Likewise.
12817 (c_invoke_pragma_handler): New.
12818 (init_pragma): Use cpp_register_deferred_pragma directly for
12820 * c-pragma.h (enum pragma_kind): New.
12821 (pragma_handler): New.
12822 (c_invoke_pragma_handler): Declare.
12823 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12825 * c-common.h (c_common_pch_pragma): Update decl.
12826 * Makefile.in (c-parser.o): Update dependencies.
12827 (GTFILES): Add c-pragma.h.
12828 * c-parser.c (struct c_token): Add pragma_kind.
12829 (struct c_parser): Add in_pragma.
12830 (c_lex_one_token): Always initialize keyword and pragma_kind.
12831 Extract data for CPP_PRAGMA.
12832 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12833 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12834 Don't allow CPP_PRAGMA_EOL if in_pragma.
12835 (c_parser_consume_pragma): New.
12836 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12837 (c_parser_skip_to_end_of_parameter): Likewise.
12838 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12839 (c_parser_skip_to_pragma_eol): New.
12840 (c_parser_external_declaration): Handle CPP_PRAGMA.
12841 (c_parser_compound_statement_nostart): Likewise.
12842 (c_parser_statement_after_labels): Likewise.
12843 (c_parser_pragma): New.
12844 (pragma_lex): Likewise.
12845 (c_parser_pragma_pch_preprocess): New.
12846 (c_parser_new): Merge into ...
12847 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12849 2006-01-04 Jeff Law <law@redhat.com>
12852 * tree-cfg.c (bsi_replace): Remove the original statement
12853 from the EH throw statement table.
12855 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12857 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12858 make the prototype extern "C" and add throw ().
12861 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12862 and pos non-negative and pos + len <= 32.
12863 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12864 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12865 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12868 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12869 as well as sizes not multiple of component size.
12872 * function.c (instantiate_expr): New function.
12873 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12874 walk its DECL_VALUE_EXPR with instantiate_expr.
12876 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12877 DW_OP_deref{,_size} if address isn't going to be added.
12879 2006-01-04 Ben Elliston <bje@au.ibm.com>
12881 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12882 * config/fp-bit.c: Likewise.
12884 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12886 * dominance.c: Add comment about why we use DFS numbering
12889 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12890 Richard Henderson <rth@redhat.com>
12892 Merge from gomp-branch:
12893 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12894 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12896 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12898 PR rtl-optimization/25578
12899 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12900 pass a parameter to simplify_shift_const if changing ASHIFTRT
12903 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12905 * builtins.c (get_builtin_sync_mem): New function.
12906 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12907 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12908 Call get_builtin_sync_mem to generate mem rtx.
12910 2006-01-03 Richard Guenther <rguenther@suse.de>
12913 * stmt.c (add_case_node): Make sure to clear overflow flags
12916 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12918 Merge from gomp-branch.
12919 * config/sparc/sync.md: New file.
12920 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12921 UNSPECV_LDSTUB): New constants.
12922 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12923 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12924 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12927 2006-01-03 Roger Sayle <roger@eyesopen.com>
12929 * combine.c (reg_subword_p): New predicate to test whether the
12930 destination of a set refers to a subword/piece of a register.
12931 (try_combine): Generalize the code to merge the setting of a
12932 pseudo to a constant followed by a set of a subword of that
12933 register to a constant.
12935 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12937 * basic-block.h (control_flow_graph): Change the type of
12938 x_label_to_block_map to VEC(basic_block,gc) *.
12939 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12940 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12942 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12943 VEC(basic_block,heap) *.
12944 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12945 ssa_prop_fini): Adjust the uses of cfg_blocks.
12947 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12949 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12951 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12952 hashing trees instead of a pointer hash.
12953 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12954 compare for MEM_EXPR.
12956 PR rtl-optimization/25130
12957 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12958 when comparing MEMs for GCSE
12960 2006-01-03 Ben Elliston <bje@au.ibm.com>
12962 * targhooks.h (default_decimal_float_supported_p): Declare.
12963 * targhooks.c (default_decimal_float_supported_p): Define.
12964 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12965 `default_decimal_float_supported_p'.
12966 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12968 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12970 * combine.c (apply_distributive_law <SUBREG>): Check
12971 TRULY_NOOP_TRUNCATION.
12973 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12975 * dwarf2out.c (have_switched_text_section): Delete.
12976 (have_multiple_function_sections): New.
12977 (have_location_lists): Make 'bool'.
12978 (add_AT_loc_list): Use 'true' not '1'.
12979 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12980 (output_loc_list): Use have_multiple_function_sections.
12981 (output_ranges): Likewise.
12982 (dwarf2out_begin_function): Set have_multiple_function_sections if
12984 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12985 Check function_section rather than DECL_SECTION_NAME.
12986 (dwarf2out_finish): Use have_multiple_function_sections.
12987 Don't clear have_location_lists.
12989 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12990 Jan Hubicka <jh@suse.cz>
12992 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12993 case of conditional jump jumping to the next instruction.
12994 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12995 cases of conditional jump jumping to the next instruction.
12997 2006-01-02 Jan Hubicka <jh@suse.cz>
12999 * i386.c (*_cost): Add COSTS_N_INSNS.
13000 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13002 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13005 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13007 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13009 * config/arm/arm.c (all_fpus): Fix comment typo.
13010 * config/darwin.c: Likewise.
13011 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13012 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13013 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13015 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13017 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13018 (rs6000_split_compare_and_swapqhi): New.
13019 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13020 (sync_compare_and_swapqhi_internal): New.
13021 * config/rs6000/rs6000-protos.h: Declare.