1 2006-06-29 Eric Christopher <echristo@apple.com>
2 Evan Cheng <evan.cheng@apple.com>
4 * predicates.md (vector_all_ones_operand): New.
5 (nonimmediate_or_sse_const_operand): Ditto.
6 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8 (standard_sse_mode_p): Ditto.
9 (standard_sse_constant_p): Add case for -1 vector.
10 (ix86_expand_vector_move): Try to use.
11 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
12 Call standard_sse_constant_opcode.
13 (*movv4sf_internal): Ditto.
14 (*movv2df_internal): Ditto.
16 2006-06-29 Roger Sayle <roger@eyesopen.com>
18 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
19 of XEXP to extract the operands of a MATCH_CODE rtx.
21 2006-06-28 Andrew Pinski <pinskia@gmail.com>
23 * tree.c (tree_size): Do not waste tail padding in
24 struct tree_string and make the size be the same as
25 build_string will generate.
27 2006-06-28 Jason Merrill <jason@redhat.com>
30 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
31 may_aliases already in the tag's annotations to the bitmap.
33 2006-06-28 Roger Sayle <roger@eyesopen.com>
35 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
37 2006-06-28 Roger Sayle <roger@eyesopen.com>
39 * genpreds.c (generate_switch_p): New function.
40 (add_mode_tests): Push the new mode test down inside an AND expr
41 if this allows the switch-suitable MATCH_CODE to be near the root.
42 (write_match_code_switch): New function to write a MATCH_CODE as
44 (write_predicate_stmts): New function to write a predicate RTX
45 expression as a sequence of statements.
46 (write_one_predicate_function): Use write_predicate_stmts.
47 (write_tm_constrs_h): Likewise.
49 2006-06-26 Fred Fish <fnf@specifix.com>
51 * config/mips/t-sb1: New file.
52 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
55 2006-06-26 DJ Delorie <dj@redhat.com>
57 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
59 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
60 Jayant Sonar <jayants@kpitcummins.com>
61 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
63 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
64 (subsi3, subsi3_1, subsi3_2): New.
65 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
66 * config/m32c/mov.md (SI mov peephole): New.
67 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
68 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
70 2006-06-26 Olivier Hainque <hainque@adacore.com>
72 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
73 a CALL_EXPR target function declaration.
75 2006-06-26 Richard Guenther <rguenther@suse.de>
77 * tree.c (build_string): Do not waste tail padding in
80 2006-06-26 Richard Guenther <rguenther@suse.de>
82 * ggc-page.c (init_ggc): Add missing element to size_lookup
86 2006-06-23 Richard Guenther <rguenther@suse.de>
88 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
89 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
90 alignment requests instead. Add verification code.
91 Add struct tree_function_decl and struct tree_binfo size to
92 extra_order_size_table. Add missing element to size_lookup
95 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
98 * fold-const.c (const_binop): Be prepared for self returning zero.
99 Simplify code handling complex values.
101 2006-06-24 Olivier Hainque <hainque@adacore.com>
103 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
104 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
107 2006-06-24 Olivier Hainque <hainque@adacore.com>
109 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
110 ARRAY_REF, so have the callback called for the low bound expression.
112 2006-06-23 Janis Johnson <janis187@us.ibm.com>
114 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
115 * c-typeck.c (c_common_type): Disallow operations on decimal float
116 types and other float types.
117 * convert.c (convert_to_real): Don't ignore conversions involving
120 2006-06-23 Olivier Hainque <hainque@adacore.com>
122 * tree.c (max_int_size_in_bytes): New function, inspired from
123 code in function.c:assign_temp.
124 * tree.h (max_int_size_in_bytes): Declare.
125 * function.c (assign_temp): Use it.
126 * gimplify.c (create_tmp_var): Relax the assertions on the type
127 properties, not mandating constant size any more.
128 (force_constant_size): New static function.
129 (gimple_add_tmp_var): Use it, forcing variable size to a
130 constant upper bound if it is not constant on entry.
132 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
135 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
136 for initialization and setting of one_only flag to ...
137 (i386_pe_encode_section_info): ...here.
138 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
139 Recheck that the symbol has not been defined.
141 2006-06-23 Richard Guenther <rguenther@suse.de>
143 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
144 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
145 alignment requests instead. Add verification code.
146 Add struct tree_function_decl and struct tree_binfo size to
147 extra_order_size_table. Add missing element to size_lookup
150 2006-06-22 Roger Sayle <roger@eyesopen.com>
151 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
154 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
155 call to lang_hooks.types.type_for_mode returned NULL_TREE.
157 2006-06-23 Ben Elliston <bje@au.ibm.com>
159 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
160 negate dn -- manipulate it directly.
162 2006-06-22 Roger Sayle <roger@eyesopen.com>
163 Steven Bosscher <stevenb.gcc@gmail.com>
166 * reload1.c (gen_reload): Call mark_jump_label on the new insns
167 generated by gen_move_insn to add REG_LABEL notes if necessary.
169 2006-06-22 Bob Wilson <bob.wilson@acm.org>
171 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
172 (leaf_entry): Remove use of MIN_ESA.
174 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
176 PR rtl-optimization/28121
177 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
180 2006-06-21 DJ Delorie <dj@redhat.com>
182 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
184 (mulhisi3_r): Likewise.
186 2006-06-21 Richard Sandiford <richard@codesourcery.com>
189 * coverage.c (coverage_counter_alloc): Leave the index type
191 (coverage_counter_alloc): Use null arguments for operands 2 and 3
194 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
196 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
197 section from the "Options for Code Generation Conventions".
199 2006-06-21 Richard Henderson <rth@redhat.com>
203 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
205 (global_symbolic_operand): Allow weak symbols, even if local_p.
207 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
209 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
210 (find_interesting_uses_address): Punt if above function returns true.
212 2006-06-21 Richard Guenther <rguenther@suse.de>
214 * configure: Regenerated.
216 2006-06-21 Joseph Myers <joseph@codesourcery.com>
218 * config/mips/mips.c (function_arg): Where one part of a
219 complex argument is in registers and the other part in the stack,
220 return a REG not a PARALLEL.
222 2006-06-21 Mark Mitchell <mark@codesourcery.com>
224 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
225 when cross-compiling. Do not substitute libstdcxx_incdir.
226 * configure: Regenerated.
228 2006-06-21 Jakub Jelinek <jakub@redhat.com>
230 * varasm.c (mergeable_string_section): Check for embedded NULs and
231 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
232 rather than TREE_STRING_LENGTH bytes.
234 2006-06-21 Richard Guenther <rguenther@suse.de>
236 * ggc-page.c (extra_order_size_table): Add var_ann_d,
237 tree_ssa_name, bitmap_element and phi_node with 4 arguments
240 2006-06-21 Richrad Guenther <rguenther@suse.de>
242 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
243 Limit iteration over the dominators.
245 2006-06-20 Roger Sayle <roger@eyesopen.com>
247 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
248 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
250 2006-06-20 Richard Guenther <rguenther@suse.de>
251 Michael Matz <matz@suse.de>
253 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
255 * alloc-pool.c (free_alloc_pool_if_empty): New function.
256 * et-forest.h (et_free_pools): Prototype new function.
257 * et-forest.c (et_free_tree_force): Free parent occurrence.
258 (et_free_pools): New function.
259 * dominance.c (free_dominance_info): Free et-forest alloc
262 2006-06-20 Roger Sayle <roger@eyesopen.com>
264 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
265 integer modes, attempt to directly construct an integer constant.
267 * fold-const.c (native_encode_vector): Determine the size of each
268 element from the vector type instead of the first vector element.
270 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
271 if all of its elements/components are constant.
272 (build_constructor_from_list): Likewise.
274 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
276 PR tree-optimization/27331
277 * tree-data-ref.c (free_data_ref): New function.
278 (create_data_ref): Fail if the data reference has unknown access
280 (free_data_refs): Use free_data_ref.
282 2006-06-19 Andrew Pinski <pinskia@gmail.com>
285 * tree-inline.c (setup_one_parameter): Strip useless
286 type conversion before adding it to the IR.
287 (declare_return_variable): Likewise.
289 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
292 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
294 2006-06-19 Mike Stump <mrs@apple.com>
296 * tree.c (variably_modified_type_p): VM arguments don't make the
299 2006-06-19 Richard Guenther <rguenther@suse.de>
301 * tree-ssa-pre.c (try_combine_conversion): Strip useless
302 type conversions after folding.
304 2006-06-19 Richard Guenther <rguenther@suse.de>
306 * ggc-page.c (extra_order_size_tab): Add entries with
307 size of struct function and basic_block.
308 (size_lookup): Extend to cover sizes up to 511.
309 (ggc_alloc_stat): Adjust user.
310 (ggc_pch_count_object): Likewise.
311 (ggc_pch_alloc_object): Likewise.
312 (ggc_pch_write_object): Likewise.
314 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
316 * tree-ssa-loop-niter.c (implies_ge_p): New function.
317 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
320 2006-06-19 Denis Chertykov <denisc@overta.ru>
322 * config/avr/libgcc.S : Correct my wrong previous commit.
324 2006-06-19 Roger Sayle <roger@eyesopen.com>
327 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
328 have stripped a SUBREG from the shift count, so we may need to
329 convert_to_mode back to the type's mode before calling make_tree.
330 Use new_amount instead of amount to avoid expanding a tree twice.
332 2006-06-19 Richard Guenther <rguenther@suse.de>
335 * fold-const.c (operand_equal_p): Check if the argument types
336 have the same precision before stripping NOPs.
338 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
340 Fix PR tree-optimization/27341
341 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
343 * tree-complex.c (pass_lower_complex): Update SMT usage.
345 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
347 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
348 Add a new alternative to the constraint strings. Add move of
349 operand 1 to 3 to the splitter definition.
350 ("doloop_si_long"): Second contraint alternative removed.
352 2006-06-08 Anatoly Sokolov <aesok@post.ru>
354 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
355 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
357 (AVR_HAVE_MOVW) Define.
358 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
359 (ASM_SPEC): Add avr25.
360 (LINK_SPEC): Add avr25.
361 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
362 (base_arch_s): Add new member 'have_movw_lpmx'.
363 (avr_arch_types): Init 'have_movw_lpmx'.
364 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
365 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
366 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
367 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
368 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
370 (avr_file_start): Do not output '.arh' derective.
371 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
372 (__do_copy_data): Use __AVR_HAVE_LPMX__.
373 * config/avr/avr.md (mcu_enhanced): Delete.
374 (mcu_have_movw): Define.
375 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
376 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
377 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
378 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
379 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
380 attiny861 and at86rf401 devices.
382 2006-06-18 Jie Zhang <jie.zhang@analog.com>
384 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
387 2006-06-17 Karl Berry <karl@gnu.org>
389 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
390 doc/gccint.texi, doc/install.texi (@dircategory): Use
391 "Software development" instead of "Programming", following
392 the Free Software Directory.
394 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
396 * config/i386/i386.c (legitimate_tls_address)
397 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
398 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
399 (*tls_dynamic_gnu2_combine_64): Likewise.
401 2006-06-16 Richard Guenther <rguenther@suse.de>
404 * fold-const.c (negate_expr_p): Do not introduce undefined
405 overflow in negating INTEGER_CSTs.
406 (fold_negate_expr): Rename from negate_expr. Revert last
407 change for folding BIT_NOT_EXPR. Change semantics to
408 return NULL_TREE for non-simplified negations. Do not
409 strip type conversions and unify type handling.
410 (negate_expr): New function, wrap around fold_negate_expr
411 but ensure building a tree always. Strip type conversions
412 here, fold to result type.
413 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
415 2006-06-16 Roger Sayle <roger@eyesopen.com>
418 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
419 that (would) return their results in stack registers.
421 2006-06-16 Michael Matz <matz@suse.de>
422 Richard Guenther <rguenther@suse.de>
424 * fold-const.c (fold_truthop): Only return new tree node if
425 we canonicalized something.
427 2006-06-16 Richard Guenther <rguenther@suse.de>
429 * function.h (enum function_frequency): Move declaration
430 out of struct function.
431 (struct function): Move bool fields and the enum to the bitfield
432 section. Reorder elements to avoid padding. Remove unused
433 fields left over from the RTL inliner removal.
434 * function.c (free_after_compilation): Do not zero removed fields.
435 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
436 (ipa-type-escape.o): Likewise.
438 2006-06-16 Richard Guenther <rguenther@suse.de>
440 * cgraph.h (struct cgraph_local_info): Turn bool elements
442 (struct cgraph_node): Likewise.
443 (struct cgraph_varpool_node): Likewise.
445 2006-06-15 Richard Guenther <rguenther@suse.de>
447 * fold-const.c (fold_truth_not_expr): Rename from
448 invert_truthvalue. Give it fold_* semantics to avoid
450 (invert_truthvalue): New function. Wrapper around
452 (optimize_minmax_comparison): Avoid creating garbage.
453 (fold_unary): Use fold_truth_not_expr for folding
455 (fold_ternary): Replace uses of invert_truthvalue with
456 fold_truth_not_expr where applicable.
457 * tree.h (fold_truth_not_expr): Prototype.
459 2006-06-16 Richard Guenther <rguenther@suse.de>
461 PR tree-optimization/27781
462 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
463 * ipa-pure-const.c (target.h): Include.
464 (analyze_function): Do not analyze functions that do not
467 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
470 * tree-dfa.c (referenced_vars_dup_list): Remove.
471 (find_referenced_vars): Remove assert.
472 (referenced_var_check_and_insert): Replace dup list with assert.
473 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
474 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
476 2006-06-15 Richard Guenther <rguenther@suse.de>
478 * tree-ssa-structalias.c (alias_get_name): Avoid creating
479 extra unused identifiers if not dumping.
480 (create_variable_info_for): Likewise.
482 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
484 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
485 (derive_constant_upper_bound): Derive more precise upper bound in
486 common cases. Return type changed to double_int.
487 (record_estimate): Reflect the changed return type of
488 derive_constant_upper_bound.
489 * double-int.c (double_int_zext, double_int_sext): Fix.
491 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
493 * configure.ac (CFLAGS): Get them from the toplevel or from the
494 configure invocation.
495 * configure: Regenerate.
496 * Makefile.in (CFLAGS): Substitute value provided by configure.
498 2006-06-14 Mark Mitchell <mark@codesourcery.com>
501 * c-common.h (c_finish_omp_atomic): Adjust declaration.
502 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
503 rather than calling add_stmt on it.
504 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
506 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
509 * reload1.c (reload): Remove registers returned by update_eliminables
510 from used_spill_regs.
512 2006-06-13 DJ Delorie <dj@redhat.com>
514 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
516 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
518 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
519 html__strip_dir, html__mkdir_p. Enhance install-html target.
520 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
521 * configure: Regenerate.
523 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
525 * fold-const.c (fold_cond_expr_with_comparison): Check for
526 Objective-C++ as language in deciding COND_EXPR transformation.
528 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
531 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
532 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
533 * config/sh/lib1funcs.h (SL, SL1): Define.
534 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
535 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
536 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
537 (OBJS_Os_4_200): New variable.
538 ($(T)libgcc-Os-4-200.a): Use it.
539 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
540 when dividing 1 and/or by 0.
542 2006-06-13 Roger Sayle <roger@eyesopen.com>
544 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
545 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
546 * configure: Regenerate.
548 2006-06-13 Jie Zhang <jie.zhang@analog.com>
550 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
551 for real instruction.
553 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
556 * haifa-sched.c (check_cfg): Handle special case.
558 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
561 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
562 Add debug_info parameter. Chain the vars to the BLOCK instead
563 of the BIND_EXPR if debug info are requested for them.
564 (pop_gimplify_context): Adjust for above change.
565 (gimple_add_tmp_var): Likewise.
566 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
568 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
569 (convert_local_reference): Likewise.
570 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
571 (finalize_nesting_tree_1): Request that debug info be emitted
574 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
576 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
579 2006-06-13 Richard Guenther <rguenther@suse.de>
582 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
584 2006-06-13 Richard Guenther <rguenther@suse.de>
586 PR tree-optimization/27830
587 * tree-inline.c (copy_body_r): For copying the operand
588 of an ADDR_EXPR make sure to fold &* afterwards.
590 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
592 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
593 lvalues in the fb_none case with side-effects.
595 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
597 * tree-flow.h: Remove the prototype for
598 compute_phi_arg_on_exit.
599 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
600 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
603 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
605 * builtins.c (expand_builtin_return_addr): Only use
606 frame_pointer_rtx when count == 0 and we are expanding
607 __builtin_return_address.
609 2006-06-12 Fred Fish <fnf@specifix.com>
611 * config/mips/mips.c (mips_file_start): Create special section
612 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
614 2006-06-11 Eric Christopher <echristo@apple.com>
617 * stor-layout.c (place_field): Remove check for
618 remaining_in_alignment when aligning at the end of a run.
620 2006-06-11 Eric Christopher <echristo@apple.com>
623 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
626 2006-06-11 Roger Sayle <roger@eyesopen.com>
629 Revert incorrect fix for PR target/27158
630 2006-05-08 Roger Sayle <roger@eyesopen.com>
631 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
632 of a reg_equiv_constant if the result is a legitimate constant.
634 2006-06-11 Roger Sayle <roger@eyesopen.com>
637 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
638 extract a CONST_VECTOR element and interpret it as an integer.
639 (vspltis_constant): Use const_vector_elt_as_int instead of the
640 macro CONST_VECTOR_ELT in order to handle FP vector modes.
641 * config/rs6000/predicates.md (easy_vector_const): Consider
642 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
644 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
647 * stor-layout.c (update_alignment_for_field): Don't add extra
648 alignment for packed non-bitfield fields in ms_bitfield_layout_p
651 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
653 * config/mips/t-rtems: Add EL/EB multilib variants.
655 2006-06-09 Mike Stump <mrs@apple.com>
657 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
659 2006-06-09 David Daney <ddaney@avtrex.com>
661 * doc/install.texi: Add binutils version recommendation for mips-*-*.
663 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
665 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
667 2006-06-09 Richard Guenther <rguenther@suse.de>
669 PR tree-optimization/26998
670 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
671 of signed types, only TYPE_MIN_VALUE is special, but for both,
672 minimum and maximum value. Likewise VR_ANTI_RANGE is special
673 in this case, as is -fwrapv.
675 2006-06-08 Mike Stump <mrs@apple.com>
678 * config/darwin.c (darwin_asm_output_anchor): Disable
679 -fsection-anchors on darwin for now.
680 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
681 * rs6000/rs6000.c (optimization_options): Likewise.
683 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
686 * config/i386/i386.c (classify_argument): Skip fields with invalid
689 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
691 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
692 (cse_insn): Likewise for the stack_pointer_rtx.
694 2006-06-08 Roger Sayle <roger@eyesopen.com>
696 * tree-ssa-dom.c (record_conditions): Only record "unordered"
697 conditions from floating point comparisons.
699 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
702 * expmed.c (struct alg_hash_entry): Fix type of field T
703 to match synth_mult argument.
704 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
706 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
709 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
712 2006-06-08 Richard Guenther <rguenther@suse.de>
715 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
716 only, if overflow is defined and not trapping.
717 (negate_expr): Likewise.
719 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
721 PR tree-optimization/27872
722 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
723 flag on the new exit edge of the unrolled loop.
725 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
727 PR rtl-optimization/26449
728 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
730 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
733 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
734 referenced_variables with matching DECL_UID's.
735 (find_referenced_vars): Make sure duplicate list is empty to start.
736 (referenced_var_p): Remove.
737 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
738 Check if var is in the list, and add if needed. Update the duplicate
739 list if a different var is in the list with the same DECL_UID.
740 (add_referenced_var): Call routine to check and insert.
741 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
742 * tree-flow.h (referenced_vars_dup_list): External declaration.
744 2006-06-07 Fred Fish <fnf@specifix.com>
746 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
749 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
752 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
753 the imaginary and real parts of a clobbered register.
754 Emit insn to set the imaginary part.
756 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
758 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
759 in lieu of unwind-dw2-fde.c.
761 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
763 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
765 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
768 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
769 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
770 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
771 V4SImode temporaries and operations instead.
773 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
775 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
778 2006-06-06 Mike Stump <mrs@apple.com>
780 * Makefile.in: Rename to htmldir to build_htmldir to avoid
781 installing during build.
783 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
785 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
787 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
788 * config/ia64/ia64.c (params.h): New header.
789 (ia64_optimization_options): New function to adjust parameters.
790 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
791 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
792 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
794 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
796 * stor-layout.c (debug_rli): Fix a typo in a debug message.
798 2006-06-05 Steve Ellcey <sje@cup.hp.com>
801 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
803 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
804 Victor Kaplansky <victork@il.ibm.com>
806 PR tree-optimization/26360
807 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
810 2006-06-04 Roger Sayle <roger@eyesopen.com>
811 Andrew Pinski <pinskia@physics.uc.edu>
814 * c-common.c (c_common_truthvalue_conversion): Explicitly check
815 for LABEL_DECL before calling DECL_WEAK.
818 * c-typeck.c (build_binary_op): Likewise, explicitly check for
819 LABEL_DECL and PARM_DECL.
821 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
825 * c-decl.c (grokdeclarator): Disallow variably modified types at
826 file scope. Avoid marking shared array type of constant size as
829 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
832 * c-common.c (fold_offsetof_1): Handle static members.
834 2006-06-04 Eric Christopher <echristo@apple.com>
836 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
837 (debug_rli): Output value for remaining_in_alignment.
838 (update_alignment_for_field): Unconditionalize
839 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
840 extra alignment code.
841 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
842 ms_bitfield_layout_p code. Rewrite handling of structure fields.
843 * tree.h (record_layout_info_s): Remove prev_packed.
844 * doc/extend.texi (ms_struct): Add documentation of format.
846 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
848 * tree.h: Declare folding_initializer.
849 * builtins.c (fold_builtin_constant_p): Give definite answer
850 if folding inside an initializer.
851 * fold-const.c: Define folding_initializer.
852 (START_FOLD_INIT): Save and then set folding_initializer.
853 (END_FOLD_INIT): Restore folding_initializer.
855 2006-06-04 Richard Guenther <rguenther@suse.de>
857 PR tree-optimization/27039
858 * fold-const.c (fold_comparison): Handle pointer comparison
859 again for all comparison codes. Compare offsets in signed
861 (fold_binary): Move code from here.
863 2006-06-03 Roger Sayle <roger@eyesopen.com>
866 * config/i386/i386.c (construct_container): Split static issued_error
867 flag into issued_sse_arg_error, issued_sse_ret_error and
868 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
869 requires the use of x87 registers and the user explicitly
870 specified the -mno-80387 command line option.
872 2006-06-02 Geoffrey Keating <geoffk@apple.com>
874 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
875 HAVE_DECL_SIGALTSTACK.
877 (segv_handler): Use MC_FLD.
878 * configure.ac: Check for a sigaltstack declaration.
879 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
880 * configure: Regenerate.
881 * config.in: Regenerate.
883 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
886 * Makefile.in (stmp-fixinc): Fix typo.
888 2006-06-02 Roger Sayle <roger@eyesopen.com>
890 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
891 are type correct. Clean-up.
892 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
893 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
895 2006-06-01 DJ Delorie <dj@redhat.com>
897 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
898 shift, as we've disabled the "switch" insn that needs it.
900 2006-06-01 Per Bothner <bothner@bothner.com>
902 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
903 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
904 * c-ppoutput.c (cb_define): Don't increment line 0.
906 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
908 * doc/invoke.texi: Add cpu_type power6.
909 * config.gcc: Add cpu_type power6.
910 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
911 to power5+ with Altivec.
912 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
913 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
915 2006-05-30 Anatoly Sokolov <aesok@post.ru>
917 * config/avr/avr.h (SET_ASM_OP): Define.
919 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
921 * config/bfin/bfin.c: Fix comment typos.
923 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
926 * doc/install.texi: Document --enable-bootstrap and
929 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
931 * doc/install.texi: Document that InfoZIP can replace jar.
933 2006-05-31 Roger Sayle <roger@eyesopen.com>
935 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
936 isn't available, directly generate the simpler x87 patterns without
937 the (use (const_int 0)).
938 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
939 implementation isn't available.
940 (*negdf2_1): Likewise.
941 (*negxf2_1): XF mode negation is always done using the x87.
942 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
944 2006-05-31 Roger Sayle <roger@eyesopen.com>
946 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
947 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
949 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
951 2006-05-31 Jie Zhang <jie.zhang@analog.com>
953 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
954 * config/bfin/bfin.c (basic-block.h): Include.
955 (struct machine_function): New.
956 (bfin_init_machine_status): New.
957 (override_options): Initialize init_machine_status.
958 (bfin_hardware_loop): New.
959 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
960 (DEF_VEC_P (loop_info)): New.
961 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
962 (struct loop_info): New.
963 (loop_info): New typedef.
964 (struct loop_work): New.
965 (loop_work): New typedef.
966 (DEF_VEC_O (loop_work)): New.
967 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
968 (bfin_dump_loops): New.
969 (bfin_bb_in_loop): New.
970 (bfin_scan_loop): New.
971 (bfin_optimize_loop): New.
972 (bfin_reorg_loops): New.
973 (bfin_reorg): Use bfin_reorg_loops.
974 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
976 (I_REGNO_P): Simplify.
977 (DP_REGNO_P, DPREG_P): New macros.
978 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
979 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
980 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
981 Add LT_REGS, LC_REGS, LB_REGS.
982 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
984 (REGNO_REG_CLASS): Deal with loop registers.
985 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
987 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
988 New constants for loop registers.
989 (UNSPEC_LSETUP_END): New.
990 (seq_insns): New define_attr. Set it for appropriate insns.
991 (movsi_insn): Add alternatives for move from/to
992 loop count registers.
993 (doloop_end): New define_expand.
994 (loop_end): New define_insn.
995 (define_split for bad doloop_end): New.
996 (lsetup_with_autoinit): New define_insn.
997 (lsetup_without_autoinit): New define_insn.
998 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
999 * config/bfin/predicates.md (lc_register_operand): New.
1000 (lt_register_operand): New.
1001 (lb_register_operand): New.
1002 (nondp_register_operand): New.
1003 (nondp_reg_or_memory_operand): New.
1004 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1006 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1008 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1009 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1011 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1013 * Makefile.in (CATALOGS): Add po/ prefix.
1014 * configure: Regenerated.
1016 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1019 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1020 a shift operand before calling shift_op. Avoid redundant call of
1023 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1024 DJ Delorie <dj@redhat.com>
1026 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1027 we're inserting is a singlt-bit constant.
1029 2006-05-30 Roger Sayle <roger@eyesopen.com>
1031 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1032 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1034 2006-05-30 Roger Sayle <roger@eyesopen.com>
1036 PR tree-optimization/23452
1037 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1038 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1039 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1040 complex values and with -ffast-math for FP complex values.
1042 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1044 * c-common.h: Remove the prototype for yyparse.
1045 * rtl.h: Remove the prototype for init_loop.
1047 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1049 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1052 2006-05-30 Roger Sayle <roger@eyesopen.com>
1054 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1056 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1057 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1059 2006-05-30 Dirk Mueller <dmueller@suse.de>
1062 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1063 for CONSTANT_CLASS_P expresisons.
1065 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1068 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1070 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1072 PR tree-optimization/27779
1073 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1074 initial_condition instead of CHREC_LEFT.
1076 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1078 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1079 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1080 Make prototypes ISO C90.
1082 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1083 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1085 * see.c (see_analyze_one_def): Correct check.
1086 (see_get_extension_data): Check if extension is parallel.
1087 (see_get_extension_reg): Likewise.
1089 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1092 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1093 into register for (code == GTU).
1095 2006-05-29 Roger Sayle <roger@eyesopen.com>
1097 PR tree-optimization/24964
1098 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1099 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1100 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1101 abs(x)*abs(x) as x*x for scalar floating point modes.
1103 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1106 * lambda-code.c (perfect_nestify): Don't copy statements
1107 in the inner loop: move them to the inner loop header.
1109 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1112 * c-tree.texi: Document OpenMP directives and clauses.
1114 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1116 * varasm.c (globalize_decl): Fix indentation.
1118 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1121 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1122 pass_fre, pass_store_ccp, pass_copy_prop,
1123 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1124 pass_return_slot, pass_object_size, pass_lim,
1125 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1126 pass_loop_prefetch and pass_stdarg.
1128 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1130 * config/bfin/bfin.opt (mfdpic): New option.
1131 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1132 (EXTRA_MULTILIB_PARTS): Likewise.
1133 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1134 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1136 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1137 (CRT_CALL_STATIC_FUNCTION): New.
1138 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1140 (CRT_CALL_STATIC_FUNCTION): New.
1141 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1143 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1144 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1145 (initialize_trampoline): Changed to handle FD-PIC code generation.
1146 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1147 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1148 (override_options): Disallow -mid-shared-library -mfdpic combination.
1149 Can't do unaligned ops if FD-PIC.
1150 Turn off flag_pic if trying to generate non-id-shared-library
1151 non-fdpic code, since it's not supported.
1152 (bfin_assemble_integer): New function.
1153 (TARGET_ASM_INTEGER): Define.
1154 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1156 * config/bfin/crtn.s: Restore them.
1157 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1159 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1160 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1161 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1162 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1163 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1165 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1166 FDPIC_REGS and FDPIC_FPTR_REGS.
1167 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1168 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1169 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1170 (load_funcdescsi): New pattern.
1171 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1172 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1173 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1175 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1177 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1180 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1182 * tree-flow.h: Remove the prototype for add_type_alias.
1183 * tree-ssa-alias.c (add_type_alias): Remove.
1185 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1187 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1188 config/fr30/fr30.md, config/i386/i386-interix.h,
1189 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1190 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1191 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1192 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1193 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1194 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1195 Follow spelling conventions.
1196 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1197 Follow spelling conventions.
1199 2006-05-27 Richard Guenther <rguenther@suse.de>
1202 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1203 to produce a constant of value 1 of generic type.
1205 2006-05-27 Dirk Mueller <dmueller@suse.de>
1207 * cgraphunit.c (decide_is_function_needed): Fix wrong
1210 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1212 PR rtl-optimization/27661
1213 * reload.c (find_reloads): When reloading a VOIDmode constant
1214 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1215 use Pmode as mode of the reload register.
1217 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1219 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1220 is enabled at -O and above.
1222 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1225 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1228 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1231 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1232 for anonymous variables explicitly declared by front ends.
1234 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1236 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1237 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1238 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1239 ref-all pointers, run a finalization pass for them.
1240 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1241 (finalize_ref_all_pointers): New function.
1242 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1243 regular pointer type to a ref-all pointer type.
1244 (get_tmt_for): Return the special memory tag for ref-all pointers.
1246 2006-05-25 Richard Guenther <rguenther@suse.de>
1249 * fold-const.c (fold_binary): Do not look at the stripped
1250 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1252 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1254 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1255 for LT and GT if the computed range is effectively empty.
1257 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1260 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1261 mips_quad_format formats instead of ieee_single_format,
1262 ieee_double_format and ieee_quad_format formats, respectively.
1264 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1266 PR tree-optimization/27639
1267 PR tree-optimization/26719
1268 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1269 call to scev_probably_wraps_p.
1270 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1271 used_in_pointer_arithmetic_p, convert_step): Removed.
1272 (nowrap_type_p): New function.
1273 (scev_probably_wraps_p): Rewritten.
1274 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1275 chrec_convert if chrec_convert_aggressive might have been used.
1276 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1277 scev_direction): New functions.
1278 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1279 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1280 instead of convert_step.
1281 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1282 (convert_step): Declaration removed.
1283 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1285 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1287 * df-core.c: Added to header comments.
1288 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1289 df_ur_bb_info, df_urec_bb_info): Added comments.
1290 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1291 urec, ri problems): Fixed header comments.
1292 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1293 code from df_rd_transfer_function.
1295 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1297 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1298 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1299 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1301 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1303 * expr.c (undefined_operand_subword_p): New.
1304 (emit_move_multi_word): Do not generate move from undefined bits
1305 of a paradoxical subreg.
1307 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1309 PR rtl-optimization/27736
1310 * combine.c (replaced_rhs_value): New variable.
1311 (combine_instructions): Set it.
1312 (distribute_notes): When distributing a note in replaced_rhs_insn,
1313 check whether the value was used in replaced_rhs_value.
1315 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1318 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1319 add_referenced_var instead of add_referenced_tmp_var.
1320 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1321 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1323 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1324 tree_optimize_tail_calls_1): Use add_referenced_var.
1325 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1326 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1327 Use add_referenced_var.
1328 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1329 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1330 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1331 Use add_referenced_var.
1332 * tree-dfa.c (struct walk_state): Remove.
1333 (find_referenced_vars): Remove walk state and vars_found hash table.
1334 (make_rename_temp): Use add_referenced_var.
1335 (find_vars_r): Pass less parameters to add_referenced_var.
1336 (referenced_var_p): New. Is var in referenced_var hash table.
1337 (referenced_var_insert): Assert var isn't already in hash table.
1338 (add_referenced_var): Don't need walk_state parameter. Add var if it
1339 isn't already in the hash table.
1340 (add_referenced_tmp_var): Remove.
1341 (find_new_referenced_vars_1): Use add_referenced_var.
1342 * tree-ssa-pre.c (create_expression_by_pieces,
1343 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1344 Use add_referenced_var.
1345 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1346 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1347 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1349 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1350 vect_create_data_ref_ptr, vect_create_destination_var,
1351 vect_init_vector, vect_build_loop_niters,
1352 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1353 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1354 Use add_referenced_var.
1355 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1356 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1357 (add_referenced_var): Add prototype.
1358 * tree-ssa-structalias.c (get_constraint_for,
1359 intra_create_variable_infos): Use add_referenced_var.
1361 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1363 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1364 big-endian paradoxical subregs.
1365 * var-tracking.c (struct micro_operation_def): Document that,
1366 for modify micro operations, insn is the subsequent instruction.
1367 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1368 (var_reg_set, var_mem_set): ... new functions.
1369 (add_stores): Record subsequent insn.
1370 (compute_bb_dataflow): Use new functions for MO_USE.
1371 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1372 notes after the insn, and modify notes before the insn known
1373 to be the subsequent one.
1374 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1376 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1379 * config/i386/i386.c (ix86_expand_builtin): Use
1380 gen_sse3_monitor64 for TARGET_64BIT.
1382 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1384 PR rtl-optimization/26375
1385 PR rtl-optimization/26855
1386 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1388 (df_ru_bb_local_compute): Reversed statements and removed bogus
1389 comment explaining why they should be in wrong order.
1390 (df_ru_dump, df_rd_dump): Enhanced debug info.
1391 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1393 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1394 reaching uses and fixed space problem.
1396 2006-05-23 Jan Hubicka <jh@suse.cz>
1398 * cgraphunit.c (decide_is_function_needed): Also nested functions
1399 and functions declared inline can be optimized out at -O0.
1401 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1403 * doc/install.texi (Configuration): Remove reference to CrossGCC
1407 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1410 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1411 ix86_compare_emitted is non-NULL.
1413 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1416 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1419 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1421 PR rtl-optimization/25514
1422 * combine.c (replaced_rhs_insn): New variable.
1423 (combine_instructions): Set replaced_rhs_insn when trying to replace
1424 a SET_SRC with a REG_EQUAL note.
1425 (distribute_notes): Use replaced_rhs_insn when determining the live
1426 range of a REG_DEAD register.
1428 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1429 Anatoly Sokolov <aesok@post.ru>
1431 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1432 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1433 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1434 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1435 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1436 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1437 at90usb647, at90usb1286 and at90usb1287 devices.
1438 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1439 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1441 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1443 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1445 2006-05-22 Richard Guenther <rguenther@suse.de>
1448 2006-01-31 Richard Guenther <rguenther@suse.de>
1449 Paolo Bonzini <bonzini@gnu.org>
1451 * doc/install.texi (--disable-libgcc-math): Document.
1453 2006-05-22 Richard Guenther <rguenther@suse.de>
1456 2006-01-31 Richard Guenther <rguenther@suse.de>
1458 * doc/invoke.texi (-msselibm): Document.
1459 * target.h (expand_library_builtin): New target hook.
1460 * builtins.c (expand_builtin): Use expand_library_builtin.
1461 (default_expand_library_builtin): New function.
1462 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1463 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1464 (link_gcc_math_spec): Declare.
1465 (static_specs): Add link_gcc_math_spec.
1466 * expr.h (default_expand_library_builtin): Declare.
1467 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1468 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1469 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1470 * config/i386/i386.opt (msselibm): New target option.
1471 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1472 (ix86_init_sse_abi_builtins): New function.
1473 (ix86_expand_library_builtin): Likewise.
1474 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1475 (override_options): Handle error conditions wrt -msselibm.
1476 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1477 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1478 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1481 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1484 * c-common.c (self_promoting_args_p): Skip erroneous args.
1487 * c-decl.c (finish_struct): Skip erroneous fields.
1489 2006-05-22 Nick Clifton <nickc@redhat.com>
1491 * config/cris/cris.opt (march): Remove VarExists attribute.
1492 (max-stackframe=): Likewise.
1494 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1496 * doc/rtl.texi: Fix a typo.
1497 * see.c: Fix comment typos.
1499 * tree-ssa-structalias.h (alias_info): Remove num_references.
1501 2006-05-21 Mike Stump <mrs@apple.com>
1503 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1505 (darwin_pragma_options): Use BAD instead.
1506 (darwin_pragma_unused): Likewise.
1507 (darwin_pragma_ms_struct): Likewise.
1509 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1511 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1513 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1515 PR rtl-optimization/27671
1516 * simplify-rtx.c (simplify_relational_operation_1): Fix
1517 simplifications of (eq/ne (xor x y) y) and
1518 (eq/ne (xor x y) x).
1520 PR tree-optimization/26622.
1521 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1524 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1526 * tree-cfg.c: Prune whitespace.
1527 (debug_tree_cfg): Point to correct header containing the
1530 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1533 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1535 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1538 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1539 or sorry count is non zero.
1541 2006-05-20 Andreas Schwab <schwab@suse.de>
1543 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1545 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1546 Kenneth Zadeck <zadeck@naturalbridge.com>
1548 PR rtl-optimization/26855
1550 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1552 (df_scan_alloc): Added code to properly handle multiword hard
1553 registers and add all_blocks parameter.
1554 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1555 code to properly handle multiword hard registers.
1556 (df_rescan_blocks): Added code to remove deleted blocks from
1558 (df_ref_create_structure, df_ref_record): Added code to properly
1560 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1561 and set DF_REF_PARTIAL.
1562 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1563 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1564 (df_scan_add_problem): Added flags parameter.
1565 (df_ref_create_structure): Changed switching structure.
1566 (df_bb_refs_record): Fixed case where duplicate artificial refs
1567 were created. Changed location of flags.
1568 (df_record_entry_block_defs): Added code to make stack pointer
1569 live in entry block. Refined cases where frame pointer is needed.
1570 Changed location of flags.
1571 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1572 (df_set_state): Removed function.
1573 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1574 df_insn_create_insn_record, df_insn_refs_delete,
1575 df_ref_create_structure): Formatting changes.
1576 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1577 df_delete_basic_block): New function.
1578 (df_init): Changed location of flags.
1579 (df_add_problem): Added flags parameter and the way flags are
1581 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1582 debug_df_chain): Improved debugging output.
1583 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1584 (df_refs_chain_dump): Removed df parameter.
1585 (df_iterative_dataflow): Added consistency check.
1586 (df_prune_to_subcfg): Made public.
1587 (df_analyze_problem): Added blocks_to_init parameter and made
1589 (df_ref_record, df_bb_refs_record, df_mark_reg,
1590 df_record_exit_block_uses): Whitespace changes.
1591 (df_dump): Whitespace changes.
1592 * df.h: Some reordering to remove forward references.
1593 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1594 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1595 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1596 (dataflow.flags): New field.
1597 (df.flag): Deleted field.
1598 (df_alloc_function): Added additional bitmap parameter.
1599 (df_dependent_problem_function): New type.
1600 (df_problem.changeable_flags): New field.
1601 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1602 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1603 (df_mw_hardreg): New struct.
1604 (DF_INSN_UID_MWS): New macro.
1605 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1607 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1608 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1609 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1610 (df_set_state): Removed function.
1611 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1612 * df-problems.c (df_chain_dump): Removed df parameter.
1613 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1614 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1616 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1617 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1618 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1619 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1620 DF_REF_MUST_CLOBBER cases.
1621 (df_ru_bb_local_compute_process_def,
1622 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1623 df_lr_bb_local_compute, df_ur_bb_local_compute,
1624 df_chain_create_bb): Made subreg aware.
1625 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1626 df_lr_bb_local_compute, df_lr_bb_local_compute,
1627 df_chain_create_bb): Cleanup to use proper macros.
1628 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1629 code to fixup bitvectors.
1630 (df_ri_alloc): Cleared lifetime.
1631 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1632 df_create_unused_note): New function.
1633 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1634 REG_DEAD and REG_UNUSED notes as well as register information.
1635 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1636 df_chains_dump): Fixed crash if problem was never run.
1637 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1638 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1639 df_ri_add_problem): Processes flags in uniform manner.
1640 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1641 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1642 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1643 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1644 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1645 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1646 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1647 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1648 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1649 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1650 * see.c (see_initialize_data): Ditto.
1651 * final.c (rest_of_clean_state) Added regstack_completed.
1652 * rtl.h (regstack_completed): Ditto.
1653 * reg-stack.c (regstack_completed): Ditto.
1655 2006-05-19 Mike Stump <mrs@apple.com>
1657 * c-tree.h (default_conversion): Remove.
1658 * c-common.h (default_conversion): Add.
1660 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1662 * tree-vrp.c (valid_value_p): New function.
1663 (adjust_range_with_scev): Fail if the value of bound is not
1666 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1668 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1669 (mips_fallback_frame_state): Use syscall numbers to determine
1670 the appropriate li instruction for the current ABI. Only use
1671 __NR_sigreturn for o32.
1673 2006-05-19 Nicolas Setton <setton@adacore.com>
1675 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1676 * langhooks.c (lhd_dwarf_name): New function.
1677 * langhooks-def.h (lhd_dwarf_name): Declare.
1678 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1679 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1680 * ada/misc.c (gnat_dwarf_name): New function.
1681 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1683 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1685 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1687 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1688 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1689 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1690 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1691 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1692 determine the size of Wtype, etc.
1693 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1694 (swfloatfuncs): New variable.
1695 (dwfloatfuncs): Likewise.
1696 (lib2funcs): Remove floating-point conversion functions from
1697 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1698 the set of conversion routines needed. Allow entries to specify
1699 an object name, filename and word size. Update users accordingly.
1700 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1701 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1705 2006-02-08 Roger Sayle <roger@eyesopen.com>
1708 * config/fixtfdi.c: New libgcc source file.
1709 * config/fixunstfdi.c: New source file.
1710 * config/floatditf.c: New source file.
1711 * config/floatunditf.c: New souce file.
1712 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1713 files above instead of config/mips/_tilib.c.
1714 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1716 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1718 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1719 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1721 2006-05-18 Mike Stump <mrs@apple.com>
1723 Fix up vla, vm and [*] sematics.
1729 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1730 (c_vla_unspec_p): Add.
1731 (c_vla_type_p): Add.
1732 * c-decl.c (struct c_scope): Add had_vla_unspec.
1733 (build_array_declarator): Add support for [*].
1734 (grokdeclarator): Likewise.
1735 (grokparms): Likewise.
1736 (get_parm_info): Likewise.
1737 * c-objc-common.c (c_vla_unspec_p): Likewise.
1738 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1739 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1740 typeof when argument is a variably modified type not inside sizeof or alignof.
1741 (c_parser_direct_declarator_inner): Propagate errors.
1742 (c_parser_sizeof_expression): Add support for [*].
1743 (c_parser_parms_declarator): Initialize had_vla_unspec.
1744 (c_parser_parms_list_declarator): Likewise.
1745 * c-typeck.c (c_vla_type_p): Add.
1746 (composite_type): Add support for vla compositing.
1747 (comptypes_internal): Add support for vla compatibility.
1748 (c_expr_sizeof_expr): Evaluate vla arguments.
1749 * tree.c (variably_modified_type_p): Update comment for [*].
1751 2006-05-18 Michael Matz <matz@suse.de>
1754 * config.host: Make assignments to host_xmake_file cumulative.
1755 * config.host (*-darwin*): Test $host, not $target.
1757 2006-05-12 Stuart Hastings <stuart@apple.com>
1759 * config/i386/i386.opt (-mstackrealign): New flag.
1760 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1761 (ix86_handle_cconv_attribute): Emit error when
1762 force_align_arg_pointer attribute collides with too many regparms.
1763 (ix86_function_regparm): Limit regparms when used with
1764 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1765 Support stack-realigning prologue in non-main functions. Emit
1766 warning for nested functions under -mstackrealign, emit error for
1767 nested functions with force_align_arg_pointer attribute.
1768 * doc/extend.texi (force_align_arg_pointer): Document it.
1769 * doc/invoke.texi (-mstackrealign): Document it.
1771 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1773 PR rtl-optimization/27477
1774 * combine.c (try_combine): Don't split a parallel consisting
1775 of two sets into two individual sets if both sets reference
1778 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1780 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1781 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1783 * doc/options.texi (VarExists): Updated.
1785 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1787 * unwind-dw2.c: Add declarations for uw_update_context and
1789 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1790 detected, advance frame state and context once to skip over stub.
1792 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1796 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1797 Call rewrite_into_loop_closed_ssa only when something changed.
1798 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1799 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1800 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1801 Test for perfect_nest_p here. Fix formating.
1802 (replace_uses_equiv_to_x_with_y): Fix formating.
1803 (stmt_uses_op): Removed.
1804 (can_convert_to_perfect_nest): Removed loopivs parameter.
1805 Complete the test by checking the scalar dependences.
1806 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1809 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1812 From Dan Kegel <dank@kegel.com>:
1813 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1815 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1817 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1818 if the element type is variably modified without recursing.
1820 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1823 * tree-loop-linear.c (try_interchange_loops): Test for
1824 no data dependences.
1826 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1828 PR tree-optimization/27548
1829 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1830 range of ssa names that appear on abnormal edges.
1831 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1832 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1834 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1837 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1839 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1842 * tree.h (OMP_PARALLEL_COMBINED): Define.
1843 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1844 (new_omp_context): Add is_combined_parallel argument.
1845 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1846 new_omp_context caller.
1847 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1848 Adjust gimplify_scan_omp_clauses callers.
1849 (omp_is_private): Issue errors if iteration variable is firstprivate
1850 or reduction in the current context.
1851 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1852 on combined parallel workshare constructs.
1854 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1856 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1857 (gcc-options.o): New rule.
1859 * optc-gen.awk: Protect variables for gcc-options.o with
1860 #ifdef GCC_DRIVER/#endif.
1862 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1864 Fix PR tree-optimization/27373
1865 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1866 (forward_propagate_addr_expr): Update call.
1868 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1870 * doc/options.texi: Move the Negative option.
1872 2006-05-16 Richard Guenther <rguenther@suse.de>
1874 PR tree-optimization/22303
1875 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1877 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1878 ccp_fold did not simplify the statement.
1880 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1883 * Makefile.in (GCC_OBJS): New.
1884 (OBJS-common): Add opts-common.o.
1885 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1886 (cpp$(exeext)): Likewise.
1887 (gcc.o): Also depend on opts.h.
1888 (opts-common.o): New.
1890 * common.opt (gcoff): Add Negative(gdwarf-2).
1891 (gdwarf-2): Add Negative(gstabs).
1892 (gstabs): Add Negative(gstabs+).
1893 (gstabs+): Add Negative(gvms).
1894 (gvms): Add Negative(gxcoff).
1895 (gxcoff): Add Negative(gxcoff+).
1896 (gxcoff+): Add Negative(gcoff).
1897 * config/i386/i386.opt (m32): Add Negative(m64).
1898 (m64): Add Negative(m32).
1900 * doc/options.texi: Document the Negative option.
1902 * gcc.c: Include "opts.h".
1903 (main): Call prune_options after expandargv.
1905 * optc-gen.awk: Generate common declarations for all flag
1906 variables in options.c. Output the neg_index field.
1908 * opts.c (find_opt): Moved to ...
1909 * opts-common.c: Here. New file.
1911 * opts.h (cl_option): Add a neg_index field.
1913 (prune_options): Likewise.
1915 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1918 * omp-low.c (expand_omp_parallel): Don't assert
1919 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1920 instead search for it.
1923 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1926 2006-05-16 Andreas Schwab <schwab@suse.de>
1928 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1931 2006-05-15 Roger Sayle <roger@eyesopen.com>
1934 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1935 integer constants other than zero are only legitimate on TARGET_64BIT.
1936 <CONST_VECTOR> Only zero vectors are legitimate.
1937 (ix86_cannot_force_const_mem): Integral and vector constants can
1938 always be put in the constant pool.
1940 2006-05-16 DJ Delorie <dj@redhat.com>
1942 * crtstuff.c (__dso_handle): Set section from
1943 TARGET_LBIGCC_SDATA_SECTION if defined.
1944 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1945 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1947 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1950 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1953 2006-05-16 Ben Elliston <bje@au.ibm.com>
1955 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1957 2006-05-15 Per Bothner <per@bothner.com>
1959 * tree.c: (last_annotated_node): Use source_locus typedef.
1960 This permits bootstrapping with --enable-mapped-location.
1962 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1964 PR tree-optimization/26830
1965 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1966 (info_for_ssa_name, current_info_for_ssa_name_age,
1967 blocks_to_update): New variables.
1968 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1969 (clear_ssa_name_info, initialize_flags_in_bb,
1970 mark_block_for_update): New functions.
1971 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1972 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1973 prepare_def_site_for): Use mark_block_for_update.
1974 (mark_def_interesting): Assert that the processed block is marked in
1975 blocks_to_update. Do not take blocks argument.
1976 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1978 (rewrite_update_init_block, rewrite_update_stmt): Only process
1979 blocks with statements to rewrite.
1980 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1981 (update_ssa): Initialize and free blocks_to_update. Do not
1982 clear flags on statements. Do not use blocks bitmap.
1983 * tree.h (SSA_NAME_AUX): Removed.
1984 (struct tree_ssa_name): Removed aux field.
1985 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1987 2006-05-15 Richard Guenther <rguenther@suse.de>
1989 PR tree-optimization/27603
1990 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1991 Do computations in original type.
1993 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1995 * see.c: Code style changes such as redundant paranthesis,
1996 redundant intialization of local variables etc.
1997 (see_main): Declared now as static.
1998 * doc/invoke.texi: Update that -fsee is not enabled by
2001 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2003 * omp-low.c (check_omp_nesting_restrictions): New function.
2004 (scan_omp_1): Call it.
2007 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2008 construct, return *VAR.
2010 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2012 PR rtl-optimization/27406
2013 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2016 2006-05-14 Roger Sayle <roger@eyesopen.com>
2018 PR rtl-optimization/27538
2019 * combine.c (expand_compound_operation): Call gen_lowpart
2020 before calling simplify_shift_const.
2022 2006-05-14 Roger Sayle <roger@eyesopen.com>
2024 PR rtl-optimization/22563
2025 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2026 a fixed width bitfield, always force the intermediates into psuedos.
2028 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2031 * mkconfig.sh: Use operator = instead of == for test.
2033 2006-05-13 Nick Clifton <nickc@redhat.com>
2035 * dwarf2out.c (dbx_reg_number): Check return value from
2036 LEAF_REG_REMAP and only use it if it is valid.
2037 (multiple_reg_loc_descriptor): Likewise.
2039 2006-05-13 Richard Guenther <rguenther@suse.de>
2041 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2044 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2046 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2047 information attached to non-INSNs such as NOTEs.
2048 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2050 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2052 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2054 * config/s390/s390.md: Adjust comment describing On constraint.
2056 2006-05-11 Jan Hubicka <jh@suse.cz>
2058 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2059 to be output at -O0.
2061 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2064 * fold-const.c (size_binop): Move sanity check for arguments to
2065 the beginning of the function.
2068 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2071 2006-05-11 Richard Guenther <rguenther@suse.de>
2074 * fold-const.c (fold_unary): Handle intermediate conversion
2075 to a pointer type like intermediate conversion to an integer
2076 type in folding of (T1)(T2)var to var.
2077 Match the code to the comment in the final conversion for
2078 (T1)(T2)var to (T1)var regarding to type precision. Rather
2079 than disallow T1 being of pointer type, assert that both T1
2080 and var are of pointer type or not. Make sure not to fall
2081 over the frontends lazyness wrt array to pointer decay though.
2083 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2085 * arm.c (arm_struct_value_rtx): Delete.
2086 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2087 (arm_init_cumulative_args): Always initialize nregs to zero.
2089 2006-05-10 Richard Guenther <rguenther@suse.de>
2091 PR tree-optimization/27532
2092 * tree-object-size.c (plus_expr_object_size): Fix typo.
2094 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2097 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2098 ashrdi_const, ashrdi3): Use a scratch register.
2100 2006-05-10 Richard Guenther <rguenther@suse.de>
2102 PR tree-optimization/27302
2103 * fold-const.c (operand_equal_p): For two comparisons,
2104 try comparison of one comparison code swapped if that yields
2107 2006-05-10 Ben Elliston <bje@au.ibm.com>
2109 * tree-pretty-print.c (pretty_print_string): No need to handle
2110 '\0' as a special character.
2112 * tree.h: Include "hashtab.h".
2113 (iterative_hash_expr): Use hashval_t in its prototype.
2114 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2116 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2119 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2120 (hppa*64*-*-hpux11*): Ditto.
2121 (hppa[12]*-*-hpux11*): Ditto.
2123 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2126 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2128 2006-05-09 Michael Matz <matz@suse.de>
2130 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2131 host_extra_gcc_objs and host_xmake_file.
2132 (<*-*-linux*>): Don't overwrite host_xmake_file.
2133 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2134 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2135 (host_detect_local_cpu): Declare.
2136 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2137 * config/i386/i386.c (override_options): Handle -mtune=native
2139 * config/i386/x-i386: New file.
2140 * config/i386/driver-i386.c: New file.
2141 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2144 2006-05-09 Dirk Mueller <dmueller@suse.de>
2145 Richard Guenther <rguenther@suse.de>
2148 * fold-const.c (fold_read_from_constant_string): Relax check
2149 for matching types to matching modes.
2151 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2153 PR rtl-optimization/27335
2154 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2157 2006-05-08 Chao-ying Fu <fu@mips.com>
2158 Richard Sandiford <richard@codesourcery.com>
2160 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2161 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2162 * config/mips/mips.md (UNSPEC_SCC): New constant.
2163 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2164 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2165 (mips_emit_compare): Use it.
2166 (mips_expand_vcondv2sf): New function.
2168 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2170 Fix PR tree-optimization/27093
2171 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2172 renaming when they become not-used_alone.
2174 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2176 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2177 relocation and relocation stubs.
2179 2006-05-08 Eric Christopher <echristo@apple.com>
2181 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2184 2006-05-08 Jan Hubicka <jh@suse.cz>
2187 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2188 unused static functions are needed.
2190 2006-05-08 Roger Sayle <roger@eyesopen.com>
2193 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2194 of a reg_equiv_constant if the result is a legitimate constant.
2196 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2199 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2200 standard 80387 constants, raise the cost to prevent
2201 compress_float_constant() to generate load from memory.
2203 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2205 * config/arm/constraints.md (c): Fix a typo.
2207 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2210 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2213 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2215 (_mm_mwait): Likewise.
2217 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2219 (sse3_monitor): Make it 32bit only.
2220 (sse3_monitor64): New. 64bit monitor.
2222 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2225 * config/i386/i386.c (classify_argument): Skip fields with invalid
2228 2006-05-07 Richard Guenther <rguenther@suse.de>
2230 PR tree-optimization/27409
2231 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2232 Do not try to find zero-sized subvars.
2234 2006-05-07 Richard Guenther <rguenther@suse.de>
2236 PR tree-optimization/27136
2237 * tree-ssa-loop-niter.c (get_val_for): Correct function
2238 comment, assert requirements.
2239 (loop_niter_by_eval): Stop processing if the iterated
2240 value did not simplify.
2242 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2244 * opts.c (flag_see): remove its setting at -O3.
2246 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2248 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2249 * arm/constraints.md: New file.
2250 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2251 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2252 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2253 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2254 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2255 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2256 * arm.md: Include constraints.md.
2257 (thumb_movsi_insn): Use satisfies_constraint_J.
2258 (movhi, movqi): Use satisfies_constraint_I.
2260 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2262 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2263 for atmeg a645 device.
2265 2006-05-06 Richard Guenther <rguenther@suse.de>
2267 PR tree-optimization/27151
2268 * tree-vect-transform.c (vectorizable_condition): Punt on
2269 values that have a different type than the condition.
2271 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2274 * c-parser.c (c_parser_cast_expression): Only insert casts into
2275 hash table if pointer.
2276 * function.c (used_types_insert_helper): Rename from
2278 (used_types_insert): Call used_types_insert_helper.
2279 * function.h (used_types_insert): Accept only one argument.
2281 2006-05-05 David Edelsohn <edesohn@gnu.org>
2283 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2284 scratch with output modifier.
2286 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2289 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2290 with output modifier.
2292 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2295 * config/mips/mips.c (mips_symbolic_address_p): Return true
2296 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2297 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2299 2006-05-04 Richard Guenther <rguenther@suse.de>
2301 PR tree-optimization/14287
2302 PR tree-optimization/14844
2303 PR tree-optimization/19792
2304 PR tree-optimization/21608
2305 PR tree-optimization/27090
2306 * tree-ssa-pre.c (try_combine_conversion): New function.
2307 (compute_avail): After constructing the value-handle
2308 expression, use try_combine_conversion to combine NOP_EXPRs
2309 with previous value-handle expressions and use the result if it
2312 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2314 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2316 2006-05-04 Jan Hubicka <jh@suse.cz>
2319 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2321 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2323 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2324 that this only matches CONST_INTs. All users changed to VOIDmode
2327 * config/bfin/bfin.c: Include "optabs.h".
2328 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2330 (enum bfin_builtins): Add a number of fractional and vector builtins.
2331 (bfin_init_builtins): Likewise.
2332 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2333 (safe_vector_operand, bfin_expand_binop_builtin,
2334 bfin_expand_unop_builtin): New functions.
2335 (bfin_expand_builtin): Handle the new builtins.
2336 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2339 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2342 * Makefile.in (OBJS-common): Add see.o.
2343 (see.o): Add dependencies.
2344 * common.opt (fsee): New flag for the see optimization was added.
2345 * opts.c (flag_see): Initialized.
2346 * passes.c (init_optimization_passes, pass_see): New pass.
2347 * rtl.h (see_main): Declaration as extern.
2348 * timevar.def (TV_SEE): New.
2349 * tree-pass.h (pass_see): Declaration as extern.
2350 * invoke.texi (-fsee): Document.
2351 * recog.c (validate_simplify_insn): New function.
2352 * recog.h (validate_simplify_insn): Declaration as extern.
2353 * df-problems.c (df_chain_dump): Check for NULL.
2355 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2356 Daniel Berlin <dberlin@dberlin.org>
2358 * cfgrtl.c (insert_insn_bb_end_new): New function.
2359 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2361 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2363 * df.h (struct web_entry): Moved from web.c.
2364 (union_defs): Declaration as extern.
2365 (unionfind_root): Likewise.
2366 (unionfind_union): Likewise.
2367 * web.c (struct web_entry): Moved to df.h.
2368 (unionfind_root): Remove static declaration.
2369 (unionfind_union): Likewise.
2370 (union_defs): Likewise and generalize to use callback function.
2371 (web_main): Update arguments for union_defs function call.
2373 2006-05-04 Richard Guenther <rguenther@suse.de>
2375 PR tree-optimization/26447
2376 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2377 produce SSA_NAME copies before the store stmt to avoid
2378 breaking exception handling.
2380 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2383 * gimplify.c (omp_is_private): If var is shared in some outer context,
2384 return false instead of true. Stop searching on parallel context
2387 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2390 * coverage.c: Use get_gcov_unsigned_t() instead of
2391 unsigned_type_node all over.
2393 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2395 PR tree-optimization/27381
2396 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2397 maintain the same immediate_use links.
2398 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2399 node rather than segfaulting.
2401 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2404 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2405 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2406 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2408 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2410 Fix PR tree-optimization/26626
2411 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2413 * tree-ssa-operands.c (access_can_touch_variable): Allow
2414 typecasting through union pointers.
2416 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2419 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2420 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2421 to find if var will be a global variable even in the nested context.
2422 (omp_copy_decl): Only check for global variable at the end, it might
2423 be overridden in outer contexts.
2424 (scan_sharing_clauses): For global variables don't create a field.
2425 (lower_rec_input_clauses): Do nothing for global shared variables.
2426 Emit a barrier at the end of ILIST if there were any decls in both
2427 firstprivate and lastprivate clauses.
2428 (lower_send_clauses): Do nothing for global variables except for
2431 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2433 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2434 of the correct signedness is returned.
2436 2006-05-02 Jeff Law <law@redhat.com>
2438 PR tree-optimization/27364
2439 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2440 multiply expressions.
2442 2006-05-02 Tom Tromey <tromey@redhat.com>
2444 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2446 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2449 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2450 -mthumb -fPIC are used.
2452 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2453 Joshua Kinard <kumba@gentoo.org>
2456 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2457 with 64-bit pointers.
2459 2006-05-02 Paul Brook <paul@codesourcery.com>
2461 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2463 (create_fix_barrier): Check that a suitable barrier location is
2465 (arm_reorg): Include ftmp->address in allowable range of addresses.
2467 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2470 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2473 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2476 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2477 around RESULT_DECL for result passed by reference.
2478 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2479 * omp-low.c (use_pointer_for_field): Don't look at
2480 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2481 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2482 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2483 time or var for passing by reference for
2484 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2485 TREE_ADDRESSABLE variables when passing by reference.
2487 * omp-low.c (dump_omp_region): Fix output formatting.
2490 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2491 (expand_omp_parallel): Likewise.
2492 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2495 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2496 on statement list containing also constructors and destructors.
2497 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2500 * except.c (duplicate_eh_regions): Fix clearing of
2501 cfun->eh->region_array entries.
2503 2006-05-01 DJ Delorie <dj@redhat.com>
2505 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2507 (gcc_cv_objdump): Likewise.
2508 * configure: Regenerated.
2510 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2513 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2514 templates for case 3 and 4.
2516 2006-05-01 DJ Delorie <dj@redhat.com>
2518 * vec.c: Include bconfig.h when appropriate.
2519 * Makefile.in (build/vec.o): Adjust dependencies.
2520 * mkconfig.sh: Make sure config.h isn't used for build machine
2523 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2525 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2527 (mark_phi_for_rewrite): New function.
2528 (insert_phi_nodes_for, mark_use_interesting): Call
2529 mark_phi_for_rewrite.
2530 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2531 (update_ssa): Initialize and free phis_to_rewrite.
2533 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2535 PR rtl-optimization/27291
2536 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2537 folded to a constant.
2539 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2541 PR tree-optimization/27283
2542 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2543 not whole # of iteration descriptions.
2544 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2545 uses abnormal ssa name.
2546 (niter_for_single_dom_exit): Ditto.
2547 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2548 return just the number of iterations.
2550 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2552 PR tree-optimization/27144
2553 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2554 (record_estimate): Only record constant upper bound.
2555 (infer_loop_bounds_from_undefined): Call
2556 compute_estimated_nb_iterations just once.
2557 (proved_non_wrapping_p): Renamed to ...
2558 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2559 (convert_step_widening, scev_probably_wraps_p): Call
2560 n_of_executions_at_most instead of proved_non_wrapping_p.
2561 (substitute_in_loop_info): Do not replace values in bounds.
2562 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2565 2006-05-01 Richard Henderson <rth@redhat.com>
2568 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2569 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2572 2006-05-01 Roger Sayle <roger@eyesopen.com>
2574 * c-typeck.c (parser_build_binary_op): Don't call the function
2575 unsigned_conversion_warning to spot operand/result type overflow.
2576 (build_binary_op): Instead, call convert_and_check instead of
2577 convert to report the problem when the operands are promoted.
2578 * c-common.c (unsigned_conversion_warning): Make static.
2579 * c-common.h (unsigned_conversion_warning): Delete prototype.
2581 2006-05-01 Richard Guenther <rguenther@suse.de>
2583 PR tree-optimization/26726
2584 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2586 (find_interesting_uses_address): ... we work around here
2587 by folding INDIRECT_REFs in the substituted base.
2589 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2591 * omp-low.c (dump_omp_region): Add newlines.
2593 2006-04-30 Roger Sayle <roger@eyesopen.com>
2595 * common.opt (Woverflow): New command line option.
2596 * c-common.c (constant_expression_warning): Check warn_overflow.
2597 (overflow_waring): Pass OPT_Woverflow to warning.
2598 (unsigned_conversion_warning): Likewise.
2599 (convert_and_check): Likewise.
2600 * doc/invoke.texi: Document new command line option.
2602 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2604 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2605 TARGET_NO_FP_IN_TOC for section anchors.
2606 (optimization_options): Enable section anchors for all
2607 non-"Objective" languages.
2609 2006-04-28 Eric Christopher <echristo@apple.com>
2611 * config/darwin-c.c (darwin_ms_struct): Move this
2612 (darwin_set_default_type_attributes): and this...
2613 * config/darwin.c: ... here.
2614 * config/darwin.h (darwin_ms_struct): Declare.
2616 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2618 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2620 2006-04-28 Roger Sayle <roger@eyesopen.com>
2623 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2624 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2625 an unsigned HOST_WIDE_INT.
2626 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2628 (really_start_incremental_init): No need to call convert because
2629 bitsize_zero_node is already of type bitsizetype.
2630 (push_init_level): Extract the value of constructor_index as an
2631 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2632 (process_init_element): Likewise.
2634 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2636 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2637 value before passing to make_relative_prefix.
2639 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2642 * builtins.c (expand_builtin_memset): Expand val in original mode.
2644 2006-04-27 Eric Christopher <echristo@apple.com>
2646 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2647 with #ifndef/#endif.
2648 * config/darwin-c.c (darwin_ms_struct): New.
2649 (darwin_pragma_ms_struct): Ditto.
2650 (darwin_set_default_type_attributes): Ditto.
2651 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2652 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2653 Register ms_struct pragma.
2654 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2655 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2656 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2657 darwin_set_default_type_attributes if TARGET_MACHO.
2659 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2661 PR tree-optimization/26854
2662 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2663 * doc/tree-ssa.texi: Update immuse iterator documentation.
2664 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2665 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2666 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2667 first_safe_imm_use, next_safe_imm_use): Remove.
2668 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2669 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2670 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2671 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2672 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2673 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2674 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2675 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2676 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2677 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2678 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2679 (perfect_nestify): Use new iterator.
2680 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2682 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2683 (next_imm_name): New field in struct immediate_use_iterator_d.
2684 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2685 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2686 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2687 * tree-cfg.c (replace_uses_by): Use new iterator.
2688 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2689 * tree-ssa-operands.c (correct_use_link): Remove.
2690 (finalize_ssa_use_ops): No longer call correct_use_link.
2692 2006-04-27 Stuart Hastings <stuart@apple.com>
2694 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2695 * config/t-darwin (crt3.o): Use it.
2696 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2697 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2698 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2699 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2700 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2703 2006-04-27 Roger Sayle <roger@eyesopen.com>
2705 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2706 size, force the intermediate into a new pseudo rather instead of
2707 performing both a bitwise AND and a bitwise IOR in memory.
2709 2006-04-27 Richard Guenther <rguenther@suse.de>
2711 PR rtl-optimization/26685
2712 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2713 this one "max-flow-memory-locations".
2715 2006-04-27 Richard Guenther <rguenther@suse.de>
2717 PR tree-optimization/25148
2718 * tree-vrp.c (compare_values): Remove code dealing with
2719 comparisons against type min/max value. Honour overflow
2720 and negative constants in code dealing with comparisons
2721 of plus and minus expressions.
2722 (value_inside_range): Use fold_binary with LE_EXPR and
2723 GE_EXPR rather than compare_values.
2725 2006-04-27 Dirk Mueller <dmueller@suse.de>
2727 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2730 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2732 * basic-block.h (safe_insert_insn_on_edge): Removed.
2733 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2735 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2736 Paolo Bonzini <bonzini@gnu.org>
2739 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2740 (simplify_and_const_int): Same.
2742 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2744 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2746 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2749 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2750 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2751 cgraph_global_info_ready.
2754 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2757 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2758 either decl or init is error_mark_node.
2761 * tree-flow.h (struct omp_region): Add sched_kind.
2762 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2763 instead of extracting omp for data.
2764 (expand_omp_for): Save extracted sched_kind.
2766 2006-04-25 Roger Sayle <roger@eyesopen.com>
2768 * expmed.c (store_bit_field): Also check whether the bitsize is
2769 valid for the machine's "insv" instruction before moving the
2770 target into a pseudo for use with the insv.
2771 * config/i386/predicates.md (const8_operand): New predicate.
2772 * config/i386/i386.md (extv, extzv, insv): Use the new
2773 const8_operand predicate where appropriate.
2775 2006-04-25 DJ Delorie <dj@redhat.com>
2777 * doc/install.texi (Specific): Clarify that this is not a list of
2778 supported hosts or targets.
2780 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2782 PR rtl-optimization/26725
2783 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2784 block's BB_DIRTY flag.
2786 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2788 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2791 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2792 to print an integer.
2794 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2796 * varasm.c (align_variable): New function.
2797 (get_block_for_decl): Apply align_variable to DECL before
2798 calculating section information.
2799 (assemble_variable): Split out alignment computation.
2801 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2803 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2806 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2808 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2809 MODE_PARTIAL_INT mode.
2810 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2811 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2813 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2814 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2816 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2818 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2820 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2821 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2822 MACFLAG_IH): Likewise.
2823 (movstricthi_1): Renamed from "*movstricthi".
2824 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2825 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2826 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2827 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2828 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2829 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2830 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2831 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2832 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2833 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2834 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2835 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2836 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2837 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2838 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2840 * doc/rtl.texi (ss_ashift): Improve wording.
2842 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2844 * dwarf2out.c (verify_marks_clear): New.
2845 (prune_unused_types): Call verify_marks_clear initially, not
2848 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2850 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2851 * doc/rtl.texi: Document them.
2852 * simplify-rtx.c (simplify_unary_operation,
2853 simplify_binary_operation_1): Don't abort when we see them.
2855 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2858 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2859 * configure.ac: Completely disregard languages that are not
2861 * configure: Regenerated.
2863 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2864 Richard Guenther <rguenther@suse.de>
2866 PR tree-optimization/27236
2867 * tree-inline.c (copy_body_r): Make sure to copy
2868 TREE_THIS_VOLATILE flag.
2870 2006-04-24 Richard Guenther <rguenther@suse.de>
2873 * tree-complex.c (update_parameter_components): Don't handle
2874 unused parameters which have no default def.
2876 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2877 Richard Guenther <rguenther@suse.de>
2879 PR tree-optimization/27218
2880 * tree-inline.c (expand_call_inline): Strip useless type
2881 conversions for the return slot address.
2883 2006-04-24 Richard Guenther <rguenther@suse.de>
2885 * cfgloop.h (struct loops): Remove unused field array. Reorder
2887 (LOOP_PREFETCH): Remove.
2889 2006-04-24 Richard Guenther <rguenther@suse.de>
2891 PR tree-optimization/22525
2892 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2893 variable, adjust types of generated expressions.
2895 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2897 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2898 (tree-vect-patterns.o): Likewise.
2900 (cselib.o): Likewise.
2901 (loop-doloop.o): Likewise.
2902 (regclass.o): Likewise.
2903 (reload1.o): Likewise.
2904 (explow.o): Replace target.h with $(TARGET_H).
2905 (ipa-prop.o): Likewise.
2906 (ipa-cp.o): Likewise.
2907 (ipa-inline.o): Likewise.
2908 (reorg.o): Likewise.
2909 (reg-stack.o): Likewise.
2911 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2913 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2915 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2917 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2919 * configure.ac: Completely disregard languages that are not
2921 * configure: Regenerated.
2924 * c-common.h (c_build_bitfield_integer_type): Declare.
2925 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2926 * c-common.c (c_build_bitfield_integer_type): ... here.
2928 2006-04-23 Roger Sayle <roger@eyesopen.com>
2931 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2932 a SImode SUBREG of a floating point register after no_new_pseudos.
2934 2006-04-23 Roger Sayle <roger@eyesopen.com>
2936 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2937 identify potentially eliminable registers to additionally catch
2938 VIRTUAL_INCOMING_ARGS_REGNUM.
2939 (addsi3): Update the conditions on when to use addsi_small_int.
2941 2006-04-23 Roger Sayle <roger@eyesopen.com>
2944 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2945 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2946 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2948 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2950 * fold-const.c (range_predecessor): Use operand_equal_p
2951 as the predicate for equality.
2952 (range_successor): Likewise.
2954 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2957 * config/soft-fp/op-common.h: Fix a typo.
2959 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2962 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2963 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2965 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2967 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2969 * doc/tm.texi: Fix a typo.
2971 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2973 * dwarf2out.c (struct die_struct): Document that die_sib makes
2974 a circular linked list.
2975 (FOR_EACH_CHILD): New.
2976 (reverse_die_lists): Delete.
2977 (reverse_all_dies): Delete.
2978 (add_dwarf_attr): Correct documentation.
2979 (remove_child_with_prev): New.
2980 (remove_child_TAG): Update for change to die_struct, use
2981 remove_child_with_prev.
2982 (add_child_die): Update for change to die_struct.
2983 (splice_child_die): Use remove_child_with_prev and add_child_die.
2984 (print_die): Use FOR_EACH_CHILD.
2985 (die_checksum): Likewise.
2986 (assign_symbol_names): Likewise.
2987 (output_location_lists): Likewise.
2988 (build_abbrev_table): Likewise.
2989 (calc_die_sizes): Likewise.
2990 (mark_dies): Likewise.
2991 (unmark_dies): Likewise.
2992 (unmark_all_dies): Likewise.
2993 (output_die): Likewise.
2994 (prune_unused_types_mark): Likewise.
2995 (prune_unused_types_walk): Likewise.
2996 (same_die_p): Update for change to die_struct.
2997 (break_out_includes): Likewise.
2998 (prune_unused_types_prune): Likewise.
2999 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3000 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3002 (dwarf2out_finish): Don't call reverse_all_dies.
3004 2006-04-21 Eric Christopher <echristo@apple.com>
3006 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3007 in comments and function names.
3009 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3012 * c-typeck.c (digest_init): Robustify.
3014 * c-typeck.c (pop_init_level): Simplify.
3016 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3018 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3020 2006-04-21 Paul Brook <paul@codesourcery.com>
3022 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3023 hardware floating point.
3025 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3027 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3030 2006-04-21 Nick Clifton <nickc@redhat.com>
3032 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3035 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3038 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3039 C++ lang type in traceback table for Objective-C++.
3041 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3043 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3045 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3047 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3050 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3051 were errors. Remove check for erroneous objects.
3053 2006-04-20 Jeff Law <law@redhat.com>
3055 PR tree-optimization/26854
3056 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3057 checking for zero or one use.
3058 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3059 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3060 * tree-ssa-reassoc.c (negate_value): Similarly.
3061 (reassociate_bb): Similarly.
3063 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3065 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3066 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3067 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3069 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3071 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3072 fp regs if the last fp arg doesn't fit in regs.
3074 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3077 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3078 that the last insn has the REG_INC note.
3080 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3081 Nathan Sidwell <nathan@codesourcery.com>
3084 * stor-layout.c (update_alignment_for_field): Do not align
3086 (place_union_field): Place union field at the start of the union.
3087 (place_field): Move ERROR_MARK check later, and use the current
3088 allocation position to maintain monotonicity.
3090 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3092 * dominance.c: Include timevar.h.
3093 (calculate_dominance_info): Use TV_DOMINANCE.
3094 * timevar.def (TV_DOMINANCE): New timevar.
3095 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3097 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3099 PR rtl-optimization/14261
3100 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3101 move would be an INSV insn.
3102 (noce_process_if_block): Don't optimize if the destination is a
3103 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3105 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3107 * config/s390/s390.md: Add comments with the instructions emitted
3108 by an insn pattern if macros are used.
3110 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3112 PR rtl-optimization/26026
3113 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3114 is a known power of two shifted left a variable amount.
3116 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3118 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3119 to hash table twice when the debug_str section has SECTION_MERGE.
3121 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3123 * config/soft-fp: New directory. From glibc.
3124 * config/soft-fp/t-softfp: New.
3125 * config/soft-fp/README: New.
3126 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3127 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3128 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3129 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3130 * config.gcc: Use rs6000/t-fprules-fpbit or
3131 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3133 * config/rs6000/sfp-machine.h: New. Based on glibc.
3134 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3136 * config/rs6000/t-fprules: Remove fp-bit rules.
3137 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3138 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3139 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3140 (softfp_wrap_start, softfp_wrap_end): New.
3142 2006-04-18 DJ Delorie <dj@redhat.com>
3144 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3146 2006-04-18 Devang Patel <dpatel@apple.com>
3148 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3150 2006-04-18 Nick Clifton <nickc@redhat.com>
3152 * config/sh/t-symbian: Add rule to build sh-c.o
3153 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3154 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3155 (sh_symbian_encode_section_info): Likewise.
3157 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3159 * builtins.c (expand_builtin_strcmp): Cover label definition of
3160 do_libcall with HAVE_cmpstrnsi.
3162 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3164 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3166 * function.h (temp_slot_p): New.
3167 (function): Change the type of x_used_temp_slots to
3168 VEC(temp_slot_p,gc) *.
3170 2006-04-18 Nick Clifton <nickc@redhat.com>
3172 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3173 flag_strength_reduce.
3175 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3177 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3181 Partial revert of revision 112637
3182 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3183 Dale Johannesen <dalej@apple.com>
3186 * regclass.c (struct reg_pref): Update documentation.
3187 (regclass): Set prefclass to NO_REGS if memory is the best option.
3188 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3190 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3192 PR tree-optimization/26821
3193 * tree-ssa-math-opts.c (get_constant_one): New.
3194 (insert_reciprocals): Use it.
3196 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3198 * dwarf2out.c (free_AT): Delete.
3199 (remove_AT): Update string ref counts.
3200 (remove_child_TAG): Don't call free_die.
3202 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3203 or DW_TAG_GNU_EINCL.
3204 (prune_unused_types_walk_attribs): Reset string refcounts.
3205 (prune_unused_types_update_strings): New.
3206 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3207 call free_die. Do call prune_unused_types_update_strings.
3208 (prune_unused_types): Empty debug_str_hash.
3210 2006-04-17 Roger Sayle <roger@eyesopen.com>
3212 * expr.c (expand_assignment): Optimize away no-op moves where the
3213 source and destination are equal and have no side-effects.
3215 2006-04-17 Richard Guenther <rguenther@suse.de>
3218 * reload.c (push_reload): Guard calls to get_secondary_mem
3221 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3223 * alias.c (reg_base_value, old_reg_base_value): Change the
3224 type to VEC(rtx,gc) *.
3225 (REG_BASE_VALUE, find_base_value, record_set,
3226 init_alias_analysis): Use VEC instead of VARRAY.
3228 * alias.c (alias_sets): Change the type to
3229 VEC(alias_set_entry,gc) *.
3230 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3231 VEC instead of VARRAY.
3232 (last_alias_set): Remove.
3234 * cgraph.h (cgraph_edge_p): New.
3235 Update the prototype of cgraph_function_versioning.
3236 * cgraphunit.c (cgraph_copy_node_for_versioning,
3237 cgraph_function_versioning): Use VEC instead of VARRAY.
3238 * ipa-cp.c (ipcp_insert_stage): Likewise.
3240 2006-04-16 Roger Sayle <roger@eyesopen.com>
3243 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3244 "A op B" or "A op C", we may need to convert A to the type of B and C.
3246 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3248 * target.h (struct gcc_target): Add mode_rep_extended.
3249 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3250 (init_num_sign_bit_copies_in_rep): Initialize it using
3252 (truncate_to_mode): Use it.
3253 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3254 * targhooks.h (default_mode_rep_extended): Declare it.
3255 * targhooks.c (default_mode_rep_extended): Define it.
3256 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3257 default_mode_rep_extended.
3258 (TARGET_INITIALIZER): Include it.
3259 * doc/tm.texi (Misc): Document it.
3260 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3261 (mips_truncated_to_mode): New function.
3263 2006-04-16 Roger Sayle <roger@eyesopen.com>
3266 * expr.c (compress_float_constant): Copy the narrow constant into
3267 a new pseudo before extending it to its final width.
3269 2006-04-16 Roger Sayle <roger@eyesopen.com>
3270 Andrew Pinski <pinskia@gcc.gnu.org>
3271 Dale Johannesen <dalej@apple.com>
3274 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3275 special case code to implement V8HImode and V16QImode with SSE2.
3277 2006-04-15 Roger Sayle <roger@eyesopen.com>
3279 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3280 trees are constructed with a suitable tree type.
3282 2006-04-15 Roger Sayle <roger@eyesopen.com>
3284 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3285 (integer_onep): Likewise.
3286 (integer_all_onesp): Likewise.
3287 (integer_pow2p): Likewise.
3288 (integer_nonzerop): Likewise.
3289 (real_zerop): Likewise.
3290 (real_onep): Likewise.
3291 (real_twop): Likewise.
3292 (real_minus_onep): Likewise.
3293 (int_size_in_bytes): Likewise.
3294 (host_integerp): Likewise.
3296 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3298 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3299 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3300 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3302 * tree-ssa-structalias.h (alias_info): Remove num_references.
3304 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3306 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3307 (output_bvb patterns): Likewise.
3308 * pa.c (output_bb): Use 'bb' insn for long branch case.
3309 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3310 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3311 1. Correct length operand for alternatives 1 and 2.
3312 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3313 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3315 2006-04-14 Roger Sayle <roger@eyesopen.com>
3317 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3318 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3319 were accidentally reverted by r112959.
3321 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3324 * except.h (eh_region_outermost): New prototype.
3325 * except.c (eh_region_outermost): New function.
3326 * tree-cfg.c (find_outermost_region_in_block): Use it.
3328 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3330 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3332 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3333 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3334 (init_reload, reload): Use VEC instead of VARRAY.
3335 * reload.h: Update the prototype for
3336 reg_equiv_memory_loc_varray.
3338 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3339 Eric Botcazou <ebotcazou@libertysurf.fr>
3341 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3344 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3347 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3348 to expand fallback builtin function call.
3350 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3353 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3354 and emit libcall here in case the builtin fails.
3355 (expand_builtin_strcmp): Always emit the libcall here on failure.
3357 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3359 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3360 * flow.c (reg_n_info): Change the type to
3361 VEC(reg_info_p,heap) *.
3362 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3364 * regs.h (reg_info_p): New.
3365 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3366 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3367 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3370 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3372 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3374 * params.h (MAX_SCHED_READY_INSNS): New macro.
3375 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3376 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3377 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3378 the ready list for 1 cycle during the first scheduling pass.
3379 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3381 2006-04-13 Richard Henderson <rth@redhat.com>
3384 * gimple-low.c (lower_omp_directive): Remove dead code.
3385 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3386 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3387 * omp-low.c (struct omp_region): Move to tree-flow.h.
3388 (root_omp_region): Export.
3389 (omp_regions, lookup_omp_region): Remove.
3390 (determine_parallel_type): Update for struct omp_region changes.
3391 (dump_omp_region): Dump regions with block numbers.
3392 (new_omp_region): Take type and block instead of stmt; malloc
3394 (free_omp_region_1, free_omp_regions): New.
3395 (expand_parallel_call): Take entry_stmt as argument; update for
3396 changes to omp_region.
3397 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3398 (remove_exit_barriers): New.
3399 (expand_omp_parallel): Update for struct omp_region changes.
3400 (expand_omp_synch): Likewise.
3401 (expand_omp): Likewise.
3402 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3403 (expand_omp_for_static_chunk): Likewise.
3404 (expand_omp_for): Likewise.
3405 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3406 (expand_omp_sections): Similarly, with GOMP_sections_end.
3407 (expand_omp_single): New.
3408 (build_omp_regions_1): Update for OMP_CONTINUE.
3409 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3410 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3411 OMP_SECTIONS_SECTIONS.
3412 (lower_omp_single_simple): Don't emit barrier here.
3413 (lower_omp_single_copy): Likewise.
3414 (lower_omp_single): Fix bindings, and lower to straightline now.
3415 (lower_omp_master, lower_omp_ordered): Likewise.
3416 (lower_omp_critical): Likewise.
3417 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3418 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3419 omp edges, free it afterward.
3420 (make_omp_sections_edges): Remove.
3421 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3422 (move_stmt_r): Handle OMP_CONTINUE.
3423 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3424 statement pointers to basic blocks. Add type member.
3425 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3426 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3427 * tree-inline.c (estimate_num_insns_1): Likewise.
3428 * tree-pretty-print.c (dump_generic_node): Likewise.
3429 * tree-ssa-operands.c (get_expr_operands): Likewise.
3430 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3431 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3432 (OMP_CONTINUE): New.
3433 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3434 (OMP_SECTIONS_SECTIONS): Remove.
3435 (OMP_SECTION_LAST): New.
3436 (OMP_RETURN_NOWAIT): New.
3438 2006-04-13 Roger Sayle <roger@eyesopen.com>
3440 * fold-const.c (native_encode_vector, native_interpret_real):
3441 Correct obvious mistakes in the previous check-in.
3443 2006-04-13 Roger Sayle <roger@eyesopen.com>
3445 * fold-const.c (native_encode_expr): New function to encode
3446 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3447 or VECTOR_CST into a specified buffer.
3448 (native_encode_int): New function.
3449 (native_encode_real): New function.
3450 (native_encode_complex): New function.
3451 (native_encode_vector): New function.
3452 (native_interpret_expr): Inverse of native_encode_expr to convert
3453 a target representation into an INTEGER_CST, REAL_CST etc...
3454 (native_interpret_int): New function.
3455 (native_interpret_real): New function.
3456 (native_interpret_complex): New function.
3457 (native_interpret_vector): New function.
3458 (fold_view_convert_expr): New function to constant fold/evaluate
3459 a VIEW_CONVERT_EXPR of a suitable constant expression.
3460 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3461 Change call of build1 to fold_build1 when constructing a
3464 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3465 Ulrich Weigand <uweigand@de.ibm.com>
3468 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3471 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3474 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3475 optimize to lo_sum for DFmode if !TARGET_FPRS.
3477 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3479 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3480 delete_alias_info, compute_flow_sensitive_aliasing,
3481 group_aliases): Use VEC instead of VARRAY.
3482 * tree-ssa-structalias.c (update_alias_info): Likewise.
3483 * tree-ssa-structalias.h (alias_info): Change the type of
3484 processed_ptrs to VEC(tree,heap) *.
3486 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3489 * config/sh/lib1funcs.h: New file, broken out of:
3490 * config/sh/lib1funcs.asm.
3491 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3493 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3494 * config/sh/lib1funcs-Os-4-200.asm: New file.
3495 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3496 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3497 (EXTRA_MULTILIB_PARTS): Include it.
3498 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3499 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3500 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3501 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3504 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3506 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3507 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3508 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3510 * tree-ssa-live.h: Include vecprim.h.
3511 (tree_partition_associator_d): Change the type of
3512 first_partition to VEC(int,heap) *.
3513 (tpa_first_partition): Use VEC instead of VARRAY.
3515 * Makefile.in (GTFILES): Move functions.h after tree.h.
3516 * function.c (reset_block_changes, record_block_change,
3517 check_block_change, free_block_changes): Use VEC instead of
3519 * function.h (function): Change the type of
3520 ib_boundaries_block to VEC(tree,gc) *.
3521 * tree-inline.c (copy_cfg_body): Initialize
3522 ib_boundaries_block to NULL instead of (varray_type) 0.
3524 2006-04-12 Roger Sayle <roger@eyesopen.com>
3526 * expr.c (emit_group_store): Correct operand order in call to
3527 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3528 a SUBREG_BYTE of zero.
3530 2006-04-12 Richard Guenther <rguenther@suse.de>
3532 * profile.c (compute_branch_probabilities): Remove code
3533 encapsulated in !ir_type (), which are remanents of the
3534 removed RTL profiling code.
3535 * rtl-profile.c: Remove.
3537 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3539 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3540 magic NULL_RTX comment.
3541 (function_arg): Store entire fp arg to mem if any part should go
3543 (rs6000_arg_partial_bytes): Adjust for above change.
3545 2006-04-11 Roger Sayle <roger@eyesopen.com>
3547 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3548 if it hasn't been initialized by dwarf2out_init.
3550 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3552 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3553 symbolic constants in branch patterns.
3555 2006-04-11 Roger Sayle <roger@eyesopen.com>
3557 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3559 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3561 PR rtl-optimization/27073
3562 * gcse.c (try_replace_reg): Revert last change. Continue to search
3563 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3566 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3568 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3569 aggregate types other than record and union types.
3570 (function_arg): Likewise.
3571 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3573 (function_value): In 64-bit mode, return objects that require it
3576 2006-04-11 Roger Sayle <roger@eyesopen.com>
3578 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3580 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3582 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3584 2006-04-03 Jeff Law <law@redhat.com>
3587 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3588 alias information too.
3590 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3592 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3594 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3597 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3598 (premark_used_types_helper): New.
3599 (premark_used_types): New.
3600 (gen_subprogram_die): Call premark_used_types.
3601 (prune_unused_types_walk): Do not prune perennial dies.
3602 * function.c (used_types_insert): New.
3603 * function.h (struct function): Add used_types_hash field.
3604 (used_types_insert): Add prototype.
3605 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3606 * c-parser.c (c_parser_cast_expression): Save casted types in used
3609 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3612 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3613 rs6000_explicit_options.float_gprs.
3615 2006-04-10 Roger Sayle <roger@eyesopen.com>
3617 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3618 from ix86_expand_vector_init_low_nonzero. Take an additional
3619 one_var argument indicating which element is non-zero. Support
3620 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3621 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3622 with one_var instead of ix86_expand_vector_init_low_nonzero.
3624 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3626 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3627 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3628 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3629 build/genextract.o): Depend on vecprim.h.
3630 * cfglayout.c, df-problems.c, function.c, genextract.c,
3631 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3632 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3636 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3638 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3639 Declare VECs of this type.
3640 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3641 (remove_children): Delete.
3642 (add_dwarf_attr): Use VEC routines.
3643 (add_AT_flag): Update for changes to add_dwarf_attr.
3644 (add_AT_int): Likewise.
3645 (add_AT_unsigned): Likewise.
3646 (add_AT_long_long): Likewise.
3647 (add_AT_vec): Likewise.
3648 (add_AT_string): Likewise.
3649 (add_AT_die_ref): Likewise.
3650 (add_AT_fde_ref): Likewise.
3651 (add_AT_loc): Likewise.
3652 (add_AT_loc_list): Likewise.
3653 (add_AT_addr): Likewise.
3654 (add_AT_lbl_id): Likewise.
3655 (add_AT_lineptr): Likewise.
3656 (add_AT_macptr): Likewise.
3657 (add_AT_offset): Likewise.
3658 (add_AT_range_list): Likewise.
3659 (get_AT): Use VEC_iterate.
3660 (remove_AT): Use VEC_ordered_remove.
3661 (free_die): Fold remove_children into here; have it use VEC_iterate.
3662 (print_die): Use VEC_iterate on attrs.
3663 (reverse_die_lists): Don't reverse attr lists.
3664 (die_checksum): Use VEC_iterate on attrs.
3665 (same_die_p): Likewise.
3666 (output_location_lists): Likewise.
3667 (build_abbrev_table): Likewise.
3668 (size_of_die): Likewise.
3669 (unmark_all_dies): Likewise.
3670 (output_abbrev_section): Likewise.
3671 (output_die): Likewise.
3672 (prune_unused_types_walk_attribs): Likewise.
3674 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3676 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3678 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3681 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3683 2006-04-09 Roger Sayle <roger@eyesopen.com>
3685 * expr.c (store_constructor): Don't bother clearing target if
3686 we're about to assign a vector to it using vec_init_optab.
3688 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3690 * tree-ssa-alias.c (lhs_may_store_to): New function.
3691 (recalculate_used_alone): Handle LHS of calls.
3693 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3697 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3698 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3699 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3700 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3701 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3702 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3703 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3704 stubs. Add ".align 8" directives before all ".dword" directives.
3705 (GTHREAD_USE_WEAK): Revise comment.
3706 (TARGET_ATTRIBUTE_WEAK): Define.
3707 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3708 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3709 * stublib.c: New file.
3714 * pa.md (cbranch patterns): Revise arguments used in calls to
3715 output_cbranch, output_bb and output_bvd. Add long branch length
3717 (fbranch patterns): Handle long branches.
3718 (jump): Revise length check. Revise arguments for output_lbranch call.
3719 Add long branch length attributes.
3720 (decrement_and_branch_until_zero): Add long branch length attributes.
3721 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3722 Likewise. Revise arguments for output_parallel_addb and
3723 output_parallel_movb calls.
3724 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3725 output_parallel_movb and output_parallel_addb): Update prototypes.
3726 * pa.c (output_cbranch): Revise arguments. Correct handling of
3727 nullification in long branches.
3728 (output_lbranch): Add new argument to control extraction of delay
3730 (output_bb): Handle long branches.
3731 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3732 output_parallel_addb): Likewise.
3734 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3736 PR rtl-optimization/27073
3737 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3740 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3742 * tree.h (tree_memory_tag): Add old_used_alone.
3743 (SMT_OLD_USED_ALONE): New macro.
3744 * tree-ssa-alias.c (recalculate_used_alone): Stop
3745 marking things for renaming unnecessarily.
3747 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3749 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3750 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3751 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3752 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3753 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3754 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3755 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3756 spelling convensions.
3757 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3758 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3759 typos. Follow spelling conventions.
3761 2006-04-07 DJ Delorie <dj@redhat.com>
3763 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3764 passed on the stack.
3765 (m32c_init_cumulative_args): When a function returns a structure,
3766 always pass the pointer to that return area on the stack.
3767 (m32c_function_arg_advance): Don't increment the parameter number
3768 if we're processing the returned structure pointer.
3769 (pushm_info): Reverse order of registers.
3771 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3773 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3774 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3775 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3776 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3778 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3779 chrec_fold_multiply): Same.
3780 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3781 force_expr_to_var_cost): Same.
3782 * tree-mudflap.c (mf_xform_derefs_1): Same.
3783 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3785 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3787 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3788 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3791 2006-04-07 Jan Hubicka <jh@suse.cz>
3793 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3795 2006-04-07 Richard Guenther <rguenther@suse.de>
3797 PR tree-optimization/26135
3798 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3799 loads for store copy-prop.
3800 (copy_prop_visit_stmt): Likewise.
3802 2006-04-05 Robert Millan <robertmh@gnu.org>
3804 * config/i386/linux.h: Add a comment to mark macros that are
3805 being overriden in config/k*bsd-gnu.h.
3806 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3808 * config/knetbsd-gnu.h: Ditto.
3810 2006-04-06 Jan Hubicka <jh@suse.cz>
3814 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3817 2006-04-06 Mike Stump <mrs@apple.com>
3819 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3820 for HAVE_nonlocal_goto to be consistent.
3821 (expand_builtin_nonlocal_goto): Likewise.
3822 (expand_builtin_strcmp): Use #ifdef instead of #if
3823 for HAVE_cmpstrnsi to be consistent.
3825 2006-04-05 DJ Delorie <dj@redhat.com>
3827 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3830 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3832 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3833 got-relative addressing for anything but SImode.
3835 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3836 even if the calling function doesn't modify them.
3838 2006-04-05 Richard Guenther <rguenther@suse.de>
3840 PR tree-optimization/26919
3841 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3842 to cgraph_estimate_size_after_inlining.
3844 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3846 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3848 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3850 PR tree-optimization/26996
3851 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3852 VECTOR_TYPE variables.
3854 2006-04-05 Richard Guenther <rguenther@suse.de>
3856 PR tree-optimization/26763
3857 * fold-const.c (fold_comparison): Move folding of
3858 PTR + CST CMP PTR + CST ...
3859 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3861 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3863 * doc/install.texi (Prerequisites): Refine some wording on
3864 bootstrapping and ksh.
3865 Move the version numbers of DejaGnu here from the testing section
3866 and fix casing of names.
3867 Fix markup and clarify wording for autogen requirements.
3868 Refer to GCJ instead of just java.
3869 Refer to SVN instead of CVS.
3870 Describe diffutils as useful instead of necessary.
3871 (Downloading the source): Refer to SVN instead of CVS.
3872 Adjust a link to our web site accordingly.
3873 (Configuration): Fix casing of Bison.
3874 (Building): Refer to SVN instead of CVS.
3875 Fix a sentence on the use of Bison and remove duplicate (and
3876 incorrect) version number of Bison requirement.
3877 Remove one redundant list of packages needed for building.
3878 (Specific): Avoid reference to CVS.
3880 2006-04-04 Eric Christopher <echristo@apple.com>
3882 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3883 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3884 (rs6000_handle_struct_attribute): New.
3885 (rs6000_ms_bitfield_layout_p): Ditto.
3887 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3889 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3890 NULL for dso parameter to atexit_common.
3892 2006-04-04 Eric Christopher <echristo@apple.com>
3894 * config/i386/i386.c (machopic_output_stub): Output \t
3895 between instructions and operands.
3897 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3899 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3900 satisfies_constraint_[IL] to explicit tests on value.
3902 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3904 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3905 set_nb_iterations_in_loop): Use build_int_cst instead of
3907 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3908 build_int_cst instead of convert.
3910 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3912 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3913 new value 2 for incoming.
3914 * function.c (expand_function_start): Call struct_value_rtx
3916 * config/sparc/sparc.md: Comment updated_return.
3917 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3918 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3919 struct return if sparc_std_struct_return and incoming is 2.
3920 (print_operand): Do not adjust return if
3921 sparc_std_struct_return.
3923 2006-04-04 Roger Sayle <roger@eyesopen.com>
3925 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3926 convert in the middle-end.
3927 * expr.c (store_expr, store_constructor, get_inner_reference,
3928 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3930 * tree.c (build_range_type): Likewise.
3932 2006-04-04 Tom Tromey <tromey@redhat.com>
3934 * doc/install.texi (Prerequisites): Mention jar.
3936 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3938 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3941 2006-04-04 Matthias Klose <doko@debian.org>
3943 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3944 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3947 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3949 * doc/extend.texi (Function Attributes): Rewrite visibility
3950 attribute documentation.
3951 * doc/invoke.texi (C++ Dialect Options): Rewrite
3952 -fvisibility-inlines-hidden documentation to describe something
3953 entirely different, although in practise compatible.
3954 (Code Gen Options): Warn about system headers in -fvisibility=
3957 * doc/extend.texi (Other Builtins): Document that
3958 __builtin_nan is a compile-time constant only when its argument
3961 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3963 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3964 trying to remove TRUNCATE check if all bits outside the new mode
3965 are identical to the sign bit.
3967 2006-04-03 Jeff Law <law@redhat.com>
3969 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3970 and operand scanning in some common cases.
3972 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3973 Dale Johannesen <dalej@apple.com>
3976 * regclass.c (struct reg_pref): Update documentation.
3977 (regclass): Set prefclass to NO_REGS if memory is the best option.
3978 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3979 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3980 into account. For non-registers, equate an empty preferred
3981 reload class to a `!' in the constraint; move the if clause to
3982 do so after those that reject the insn.
3983 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3985 (find_dummy_reload): Likewise.
3986 * doc/tm.texi (Register Classes): Document what it means
3987 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3988 * config/i386/i386.c (ix86_preferred_reload_class): Force
3989 using SSE registers (and return NO_REGS for floating-point
3990 constants) if math is done with SSE.
3991 (ix86_preferred_output_reload_class): New.
3992 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3993 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3994 * config/i386/i386.md: Remove # register preferences.
3996 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3999 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4000 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4001 the type of nb_iter.
4002 (instantiate_parameters_1): Convert the operands before calling
4003 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4004 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4006 2006-04-02 Roger Sayle <roger@eyesopen.com>
4008 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4009 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4011 * dojump.c (do_jump): Likewise.
4012 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4013 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4014 gimplify_boolean_expr): Likewise.
4015 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4016 * varasm.c (array_size_for_constructor): Likewise.
4017 * tree-object-size.c (compute_object_offset): Likewise.
4019 2006-04-02 Roger Sayle <roger@eyesopen.com>
4022 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4023 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4025 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4027 PR tree-optimization/26939
4028 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4030 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4032 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4033 at_stmt. Convert the type of operands before calling
4034 build_polynomial_chrec.
4035 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4037 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4038 (instantiate_parameters_1): Convert the type of operands before calling
4039 build_polynomial_chrec.
4040 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4041 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4042 reset_evolution_in_loop): Insert asserts to check the types of the
4044 (chrec_type): Moved...
4045 (eq_evolutions_p): Use operand_equal_p.
4046 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4047 the types of the operands.
4048 (chrec_type): ...here.
4049 * tree-data-ref.c (create_data_ref): Convert the operands before
4050 calling chrec_replace_initial_condition.
4051 (same_access_functions, analyze_subscript_affine_affine,
4052 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4053 (compute_subscript_distance, analyze_ziv_subscript,
4054 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4055 analyze_miv_subscript): Convert the operands before calling
4056 chrec_fold_minus or chrec_fold_plus.
4058 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4060 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4061 the dependence_relations vector.
4062 (compute_data_dependences_for_loop): Adjust call to
4063 compute_all_dependences.
4065 2006-04-01 Roger Sayle <roger@eyesopen.com>
4066 Richard Henderson <rth@redhat.com>
4068 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4069 gimple_boolify on the condition before calling gimplify_expr.
4071 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4073 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4074 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4075 the frame size. Update to use the new macros.
4076 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4077 * config/xtensa/ieee754-df.S: Likewise.
4079 2006-03-31 Richard Henderson <rth@redhat.com>
4081 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4082 (make_edges): ... here. Control fallthru creation with a local
4083 variable. Do not play with fake edges.
4084 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4085 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4088 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4090 * dwarf2.h (DW64_CIE_ID): Define.
4091 * dwarf2out.c (DWARF_CIE_ID): Define.
4092 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4093 length header. Use DWARF_CIE_ID.
4094 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4095 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4097 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4099 * config/sh/linux-atomic.asm: New file.
4100 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4102 2006-03-31 DJ Delorie <dj@redhat.com>
4104 * config/m32c/cond.md: Set condition flags properly throughout.
4105 * config/m32c/minmax.md: Likewise.
4106 * config/m32c/prologue.md: Likewise.
4107 * config/m32c/bitops.md: Likewise.
4108 * config/m32c/muldiv.md: Likewise.
4109 * config/m32c/mov.md: Likewise.
4110 * config/m32c/addsub.md: Likewise.
4111 * config/m32c/m32c.md: Likewise.
4112 * config/m32c/jump.md: Likewise.
4113 * config/m32c/shift.md: Likewise.
4115 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4116 conditionally output the pattern for this.
4117 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4118 (m32c_compare_redundant): New.
4119 (m32c_output_compare): New.
4120 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4122 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4123 dest, not src. Allow other 4-byte modes.
4125 2006-03-30 Denis Chertykov <denisc@overta.ru>
4127 * doc/md.texi: Refer to avr/constraints.md instead of
4130 2006-03-30 Roger Sayle <roger@eyesopen.com>
4132 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4133 signed vs. unsigned comparison failures on some hosts.
4135 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4138 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4139 change to FLOAT_REGS.
4141 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4142 (rs6000_override_options): Use it.
4143 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4144 only for -mabi=spe/no-spe and -mabi=altivec.
4146 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4148 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4151 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4153 * Makefile.in: Rename docdir to gcc_docdir.
4155 2006-03-30 Roger Sayle <roger@eyesopen.com>
4158 * expr.c (emit_group_store): Optimize group stores into a pseudo
4159 register by using a paradoxical subreg to initialize the destination
4160 if the first or last member of the group specifies a "low part".
4162 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4165 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4166 * target.h (struct gcc_target.speculate_insn): Change type of the
4167 second parameter to 'int'.
4168 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4169 the second operand of the DEPS_LIST.
4170 (copy_DEPS_LIST_list): Update reference to the second operand of the
4172 * rtl.h (alloc_DEPS_LIST): Update signature.
4173 * sched-int.h (ds_t): Change typedef to 'int'.
4174 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4176 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4178 * haifa-sched.c (try_ready): Change condition to restore
4179 non-speculative pattern of the instruction.
4180 (process_insn_depend_be_in_spec): Code to keep probability of the
4181 speculative dependence non-decreasing.
4183 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4185 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4186 (single_move_for_movmem): ... this. Also change all uses.
4187 (bfin_expand_strmov): Renamed to...
4188 (bfin_expand_movmem): ... this. Also change all uses.
4189 * config/bfin/bfin.md (movstrsi): Renamed to...
4190 (movstrsi): ...this.
4192 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4194 PR tree-optimization/26830
4196 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4197 (copy_prop_visit_stmt): Remove write-only variable ann.
4198 (init_copy_prop): Check variable loop depth here. Do not simulate
4199 memory-tag and virtual operand PHIs except for store copy prop.
4201 2006-03-30 Richard Guenther <rguenther@suse.de>
4203 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4204 variants with double arguments.
4206 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4208 * genpreds.c (write_tm_constrs_h): Delete variable p.
4209 * genconditions.c (write_header): Add tm-constrs.h to included
4211 * genpeep.c (main): Add toplev.h to included headers.
4212 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4213 (build/genpeep.o): Add toplev.h dependency.
4214 * config/rs6000/constraints.md: Add "W" constraint.
4216 2006-03-29 Roger Sayle <roger@eyesopen.com>
4218 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4219 sizes by correctly testing whether the size fits a host integer.
4220 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4221 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4222 SImode range for the default sizetype and bitsizetype.
4224 2006-03-29 Roger Sayle <roger@eyesopen.com>
4226 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4227 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4228 quickly if the argument is already of the correct type.
4229 Call fold_build1 instead of build1. Tidy up blank lines.
4231 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4233 * genemit.c (main): Add tm-constrs.h to included headers.
4234 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4235 * genpeep.c (main): Add tm-constrs.h to included headers.
4236 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4237 (write_tm_constrs_h): this and write complete file.
4238 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4239 (write_insn_preds_c): Add tm-constrs.h to included headers.
4240 (gen_constrs): New variable.
4241 (parse_option): Parse "-c".
4242 (main): Invoke write_tm_constrs_h.
4243 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4244 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4245 (object_out_file): Add tm-constrs.h dependency.
4246 (insn-emit.o): Same.
4247 (insn-output.o): Same.
4248 (insn-peep.o): Same.
4249 (insn-preds.o): Same.
4250 (insn-recog.o): Same.
4251 (tm-constsr.h): New target.
4252 (s-constrs-h): New target.
4254 * config/rs6000/constraints.md: New file.
4255 * config/rs6000/rs6000.c: Include tm-constrs.h.
4256 (num_insn_constant_wide): Convert to satisfies_constraint.
4257 (rs6000_rtx_costs): Convert to satisfies_constraint.
4258 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4259 (CONST_OK_FOR_LETTER_P): Delete.
4260 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4261 (EXTRA_CONSTRAINT): Delete.
4262 (EXTRA_MEMORY_CONSTRAINT): Delete.
4263 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4264 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4265 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4266 satisfies_constraint.
4268 * config/i386/i386.c: Include tm-constrs.h.
4270 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4272 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4273 * tree-data-ref.c (find_data_references_in_loop,
4274 compute_data_dependences_for_loop): Use pointers to VEC.
4275 (analyze_all_data_dependences): Adjust calls.
4276 * tree-data-ref.h (find_data_references_in_loop,
4277 compute_data_dependences_for_loop): Adjust declarations.
4278 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4279 compute_data_dependences_for_loop.
4281 2006-03-29 Paul Brook <paul@codesourcery.com>
4283 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4286 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4288 PR tree-optimization/26859
4289 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4291 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4292 for the step after fold_convert.
4294 2006-03-29 Paul Brook <paul@codesourcery.com>
4296 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4297 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4299 2006-03-29 Paul Brook <paul@codesourcery.com>
4302 * targhooks.c (default_narrow_bitfield): New fuction.
4303 * targhooks.h (default_narrow_bitfield): add prototype.
4304 * target.h (gcc_target): Add narrow_volatile_bitfield.
4305 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4306 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4307 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4308 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4310 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4312 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4314 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4315 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4316 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4317 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4318 (s390_function_arg_float): Allow SDmode and DDmode values to be
4319 passed in floating point registers.
4320 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4321 check with SCALAR_FLOAT_MODE_P.
4322 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4324 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4326 PR tree-optimization/25985
4327 * tree-ssa-loop-niter.c (number_of_iterations_le,
4328 number_of_iterations_ne): Make comments more precise.
4329 (number_of_iterations_cond): Add only_exit argument. Use the
4330 fact that signed variables do not overflow only when only_exit
4332 (loop_only_exit_p): New.
4333 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4334 number_of_iterations_cond.
4336 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4338 PR tree-optimization/26643
4339 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4342 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4344 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4345 (divsi3_i4_int): Likewise.
4347 2006-03-28 Roger Sayle <roger@eyesopen.com>
4349 * expr.c (emit_group_store): Only create a new pseudo reg if the
4350 quantity it needs to hold isn't already a suitable pseudo.
4352 2006-03-28 Jeff Law <law@redhat.com>
4354 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4355 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4357 2006-03-28 Roger Sayle <roger@eyesopen.com>
4359 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4360 the equivalent ~X & Y, and the symmetry related transformations.
4361 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4362 ~X & Y, and symmetry related transforms.
4364 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4366 Revert my 2006-03-27 patches.
4368 2006-03-28 Roger Sayle <roger@eyesopen.com>
4370 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4371 ~(T1)X, when T1 and T2 are integer types of the same precision
4372 and (T2)X isn't an extension.
4374 2006-03-28 Jeff Law <law@redhat.com>
4376 PR tree-optimization/26796
4377 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4378 need EH edge cleanups rather than purging them immediately.
4379 (eliminate_degenerate_phis): Handle queued EH cleanups.
4381 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4383 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4386 2006-03-27 Roger Sayle <roger@eyesopen.com>
4389 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4390 cast BIT_NOT_EXPR operand to the correct type.
4392 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4394 * tree-loop-linear.c: Don't include varray.h.
4395 (gather_interchange_stats, try_interchange_loops,
4396 linear_transform_loops): Use VEC instead of VARRAY.
4397 * lambda-mat.c: Don't include varray.h.
4398 * tree-chrec.c: Same.
4399 * lambda-trans.c: Same.
4400 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4401 VEC instead of VARRAY.
4402 * tree-vectorizer.h: Idem.
4403 * tree-data-ref.c (dump_data_references,
4404 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4405 initialize_data_dependence_relation, finalize_ddr_dependent,
4406 compute_all_dependences, find_data_references_in_loop,
4407 compute_data_dependences_for_loop, analyze_all_data_dependences,
4408 free_dependence_relation, free_dependence_relations,
4409 free_data_refs): Idem.
4410 * tree-data-ref.h (data_reference_p, subscript_p): New.
4411 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4412 VEC instead of VARRAY.
4413 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4414 (find_data_references_in_loop, compute_data_dependences_for_loop,
4415 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4416 dump_data_dependence_relations, free_dependence_relations,
4417 free_data_refs): Adjust declaration.
4418 (lambda_transform_legal_p): Move declaration here...
4419 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4420 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4421 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4422 vect_analyze_data_refs): Use VEC instead of VARRAY.
4423 * lambda.h (lambda_transform_legal_p): ...from here.
4424 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4425 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4426 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4427 tree-chrec.o): Don't depend on VARRAY_H.
4429 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4431 * rtl.def (Copyright): Update date.
4432 (DEPS_LIST): Change type of the second operand to 'int'.
4433 * target.h (Copyright): Update date.
4434 (struct gcc_target.speculate_insn): Change type of the second parameter
4436 * lists.c (Copyright): Update date.
4437 (alloc_DEPS_LIST): Change signature. Update reference to the second
4438 operand of the DEPS_LIST.
4439 (copy_DEPS_LIST_list): Update reference to the second operand of the
4441 * rtl.h (Copyright): Update date.
4442 (alloc_DEPS_LIST): Update signature.
4443 * sched-int.h (Copyright): Update date.
4444 (ds_t): Change typedef to 'int'.
4445 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4447 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4449 * haifa-sched.c (Copyright): Update date.
4450 (try_ready): Change condition to restore non-speculative pattern
4452 (process_insn_depend_be_in_spec): Code to keep probability of the
4453 speculative dependence non-decreasing.
4455 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4457 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4458 shut up the compiler.
4460 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4462 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4463 to use lib prefix for target.
4464 ($(T)libic_invalidate_array_4-200.a): Likewise.
4465 ($(T)libic_invalidate_array_4a.a): Likewise.
4467 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4468 J"orn Rennecke <joern.rennecke@st.com>
4470 * superh.opt: New file.
4471 * sh.c (boardtype, osruntime): Remove.
4472 * superh.h (SUBTARGET_OPTIONS): Remove.
4473 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4475 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4476 arguments with ^ and/or [].
4478 * config.gcc (sh-*-*): Add quoting to account for quirk of
4480 Replace == with = in enable_incomplete_targets test.
4482 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4483 with MASK_LITTLE_ENDIAN.
4485 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4486 * config/sh/sh.opt: Added to some comments.
4487 * config/sh/superh.h: Removed some chaff.
4489 * config/sh/sh.opt: Add m4-[1234]00* options.
4490 * config/sh/sh.c (sh_handle_option): Likewise.
4491 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4492 (ic_invalidate_array_4-100.o): New rule.
4493 ($(T)libic_invalidate_array_4-100.a): Likewise.
4494 (ic_invalidate_array_4-200.o): Likewise.
4495 ($(T)libic_invalidate_array_4-200.a): Likewise.
4496 (ic_invalidate_array_4a.o): Likewise.
4497 ($(T)libic_invalidate_array_4a.a): Likewise.
4498 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4499 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4501 * config/sh/crt1.asm: Merged in profiling code.
4502 * config/sh/superh.h (STARTFILE_SPEC): Override.
4503 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4504 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4505 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4507 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4508 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4509 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4511 * sh.opt (mpretend-cmove): New option.
4512 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4513 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4514 (movsicc): Add TARGET_PRETEND_CMOVE code.
4516 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4518 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4519 s390_class_max_nregs): New function prototypes.
4520 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4521 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4522 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4523 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4525 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4527 * dwarf2out.c (add_location_or_const_value_attribute): Call
4528 tree_add_const_value_attribute if nothing else works.
4529 (reference_to_unused): New.
4530 (rtl_for_decl_init): Use reference_to_unused to decide whether
4531 to output an initializer.
4533 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4536 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4537 peephole removing spe frob_di_df_2.
4539 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4541 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4542 (subscript_dependence_tester_1): Declared.
4543 (print_dir_vectors, print_dist_vectors): New.
4544 (debug_data_dependence_relation): New.
4545 (dump_data_dependence_relation): Print more details.
4546 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4547 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4548 (save_dist_v, save_dir_v, add_outer_distances,
4549 build_classic_dist_vector_1): New.
4550 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4551 Don't test for lambda_vector_lexico_pos.
4552 (same_access_functions, add_multivariate_self_dist,
4553 add_other_self_distances, dir_from_dist): New.
4554 (build_classic_dir_vector): Replace implementation almost identical to
4555 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4557 (subscript_dependence_tester_1): New.
4558 (subscript_dependence_tester): Handle the lexicographically negative
4559 distance vectors by recomputing the dependence relation.
4560 (compute_affine_dependence): Remove parameter loop_nest_depth.
4561 (compute_self_dependence): Don't call compute_subscript_distance.
4562 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4563 Add a parameter for the loop_nest.
4564 (find_loop_nest_1, find_loop_nest): New.
4565 (compute_data_dependences_for_loop): Compute the loop nest, and give
4566 up if the nest is not well formed.
4567 * tree-data-ref.h (loop_p): New.
4568 (struct data_dependence_relation): Replace size_vect field with
4569 loop_nest, a vec of loops.
4570 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4571 (DDR_LOOP_NEST): New.
4572 (print_dir_vectors, print_dist_vectors,
4573 debug_data_dependence_relation): Declared.
4574 (index_in_loop_nest): New.
4575 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4576 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4579 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4581 * simplify-rtx.c (simplify_relational_operation): Call
4582 simplify_relational_operation_1 even if mode is VOIDmode.
4584 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4586 PR tree-optimization/26804
4587 * tree.h (DECL_CALL_CLOBBERED): New macro.
4588 (tree_decl_common): Add call_clobbered_flag.
4589 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4590 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4591 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4592 (mark_non_addressable): Ditto.
4593 * tree-ssa.c (verify_call_clobbered): New function.
4594 (verify_alias_info): Use it.
4595 * tree-pass.h (pass_reset_cc_flags): New prototype.
4596 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4597 (reset_cc_flags): New function.
4598 * passes.c (init_optimization_passes): Call reset_cc_flags after
4599 initializing referenced_vars.
4601 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4602 Roger Sayle <roger@eyesopen.com>
4605 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4606 to 1.0 for non-real operands. Implement A / A optimization for
4609 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4611 * config/i386/i386.c (size_cost): Correct the comment for
4612 cost of storing fp registers.
4613 (i386_cost): Likewise.
4614 (i486_cost): Likewise.
4615 (pentium_cost): Likewise.
4616 (pentiumpro_cost): Likewise.
4617 (k6_cost): Likewise.
4618 (athlon_cost): Likewise.
4619 (k8_cost): Likewise.
4620 (pentium4_cost): Likewise.
4621 (nocona_cost): Likewise.
4622 (generic64_cost): Likewise.
4623 (generic32_cost): Likewise.
4625 2006-03-24 Denis Chertykov <denisc@overta.ru>
4627 * config/avr/avr-protos.h (extra_constraint): Delete.
4628 (extra_constraint_Q): New declaration.
4629 * config/avr/constraints.md: New file.
4630 * config/avr/avr.md: Include it.
4631 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4632 (TMP_REGNO, ZERO_REGNO): Likewise.
4633 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4634 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4635 (extra_constraint): Delete.
4636 (extra_constraint_Q): Test for memory constraint 'Q'.
4637 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4638 (REG_CLASS_FROM_LETTER): Delete.
4639 (CONST_OK_FOR_LETTER_P): Delete.
4640 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4641 (EXTRA_CONSTRAINT): Delete.
4642 (TMP_REGNO): Delete.
4643 (ZERO_REGNO): Delete.
4645 2006-03-24 Jeff Law <law@redhat.com>
4647 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4648 directly. Call mark_new_vars_to_rename slightly earlier.
4650 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4652 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4654 (gen_compile_unit_die): Use new language types for Objective-C and
4656 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4657 DW_LANG_C_plus_plus.
4660 * config/t-darwin (crt3.o): Work around bug 26840.
4661 * config/darwin-crt3.c: Rewrite.
4662 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4664 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4666 * doc/invoke.texi: Document -femit-class-debug-always
4667 * common.opt: Add -femit-class-debug-always.
4669 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4671 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4672 index and base register.
4673 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4674 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4675 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4676 REGNO_OK_FOR_INDEX_P.
4677 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4679 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4680 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4681 REG_OK_FOR_BASE_P): Definitions removed.
4683 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4686 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4687 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4688 set yet or weren't marked as local yet.
4690 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4692 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4695 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4697 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4698 (rs6000_legitimate_small_data_p): Delete.
4699 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4700 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4701 and make static. Add forward declaration. Update uses.
4702 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4703 of offsettable_memref_p.
4704 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4705 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4707 2006-03-24 Jeff Law <law@redhat.com>
4709 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4710 around bug in immediate-use iterator.
4712 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4715 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4716 or __LITTLE_ENDIAN__.
4718 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4720 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4721 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4722 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4723 * config/sh/sh.opt (mdiv=): Amend description.
4724 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4725 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4726 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4727 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4728 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4729 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4730 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4731 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4732 TARGET_DIVIDE_CALL_FP.
4734 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4736 * haifa-sched.c (choose_ready): Fix type of the local variable.
4737 Move local variables. Add comment.
4738 (check_reg_live): Change signature. Make callable from debugger.
4739 * sched-int.h (check_reg_live): Update signature.
4740 * sched-ebb.c (check_reg_live): Update parameters.
4741 * sched-rgn.c (check_reg_live): Ditto.
4742 (region_head_or_leaf_p): Check pointer before dereferencing.
4743 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4744 before reload on optimization levels below 1.
4746 2006-03-23 Richard Henderson <rth@redhat.com>
4748 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4752 * config/alpha/predicates.md (local_symbolic_operand): Reject
4755 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4758 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4759 expressions which have overflowed constants.
4761 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4763 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4765 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4767 * cfgloopmanip.c (create_loop_notes): Removed.
4768 * final.c (final_scan_insn): Do not handle loop notes.
4769 * jump.c (squeeze_notes): Ditto.
4770 * cfglayout.c (skip_insns_after_block,
4771 duplicate_insn_chain): Ditto.
4772 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4774 * cfgloop.h (create_loop_notes): Declaration removed.
4776 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4778 * varasm.c (output_constant_pool): Restore fnname and fndecl
4780 (assemble_start_function): Adjust call accordingly.
4781 (assemble_end_function): Likewise.
4783 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4786 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4789 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4791 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4794 * system.h (ICE_EXIT_CODE): New macro.
4795 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4796 (diagnostic_action_after_output): Likewise.
4797 * gcc.c (fatal_ice): New function.
4798 (execute): Use it instead of fatal.
4799 (fancy_abort): Likewise.
4800 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4802 2006-03-22 Jeff Law <law@redhat.com>
4804 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4805 iv_analyze_result returning false.
4807 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4809 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4811 2006-03-22 Richard Henderson <rth@redhat.com>
4814 * except.c (duplicate_eh_regions_0): New.
4815 (duplicate_eh_region_1): Duplicate the children of the node as
4816 well as the node itself. Link them up properly.
4817 (duplicate_eh_region_2): Merge into ...
4818 (duplicate_eh_regions): ... here. Take copy_region argument, and
4819 copy only a sub-tree if asked. Simplify copying and fixup.
4820 (eh_region_outer_p): New.
4821 * except.h (duplicate_eh_regions): Update decl.
4822 (eh_region_outer_p): Declare.
4823 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4824 (lower_omp_master): Likewise.
4825 (lower_omp_ordered): Likewise.
4826 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4827 (move_stmt_r): Use it to remap labels. Handle recursion vs
4828 remap_decls_p properly.
4829 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4830 (find_outermost_region_in_block): New.
4831 (new_label_mapper): New.
4832 (move_sese_region_to_fn): Copy eh information to the new function
4834 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4836 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4839 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4841 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4842 into shared libraries.
4844 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4846 * doc/md.texi: Refer to i386/constraints.md instead of
4848 * config/i386/constraints.md: New file, extracted from...
4849 * config/i386/predicates.md: ...here.
4850 * config/i386/i386.md: Include constraints.md.
4852 2006-03-21 Jason Merrill <jason@redhat.com>
4854 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4857 * expr.c (init_block_move_fn): Force default visibility.
4858 (init_block_clear_fn): Likewise.
4859 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4860 * targhooks.c (default_external_stack_protect_fail): Likewise.
4862 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4864 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4865 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4866 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4867 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4868 (loadgp): Use mips_current_loadgp_style.
4869 (loadgp_noshared): New pattern.
4870 (sibcall_internal): Use MIPS_CALL.
4871 (sibcall_value_internal): Likewise.
4872 (sibcall_value_multiple_internal): Likewise.
4873 (call_internal): Likewise.
4874 (call_value_internal): Likewise.
4875 (call_value_multiple_internal): Likewise.
4876 (call_split): Use MIPS_CALL and add an 'S' constraint.
4877 (call_value_split): Likewise.
4878 (call_value_multiple_split): Likewise.
4879 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4880 (-mshared): New option.
4881 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4882 (mips_current_loadgp_style): Declare.
4883 * config/mips/mips.c (mips_classify_symbol): Avoid using
4884 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4885 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4886 TARGET_ABSOLUTE_ABICALLS.
4887 (override_options): Adjust comments. Improve the warning that is
4888 issued when -mabicalls and -G are used together.
4889 (mips_file_start): Remove comment.
4890 (mips_current_loadgp_style): New function.
4891 (mips_gnu_local_gp): New variable.
4892 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4894 (mips_output_function_prologue): Use mips_current_laodgp_style.
4895 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4896 the cprestore instruction.
4897 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4898 live for TARGET_ABSOLUTE_ABICALLS.
4899 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4900 (ASM_SPEC): Pass down -mshared and -mno-shared.
4901 (MIPS_CALL): New macro.
4902 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4904 * doc/invoke.texi (-mabicalls): Update documentation.
4905 (-mshared): Document.
4907 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4909 * config/ia64/unwind-hpux.c: New file.
4910 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4912 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4915 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4917 2006-03-21 Jeff Law <law@redhat.com>
4919 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4920 type conversions of a VR_VARYING source to a wider type.
4922 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4924 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4925 tm_file on Solaris 10 and later.
4926 (sparc64-*-solaris2*): Likewise.
4927 (sparc-*-solaris2*): Likewise.
4928 * config/sol26.h: Rename to config/sol2-6.h.
4929 * config/sol2-10.h: New file.
4931 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4934 * tree-ssa-pre.c (create_component_ref_by_pieces):
4937 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4940 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4941 return it immediately.
4943 2006-03-21 Michael Matz <matz@suse.de>
4945 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4947 (remove_arc, add_arc): Update num_out_arcs member.
4948 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4950 (cache_presence): New function.
4951 (compare_states_for_equiv): New function.
4952 (state_is_differed): Don't take number of outargs, adjust callers.
4953 Use new invariant for speeding up.
4954 (init_equiv_class): Create initial classes based on sorted
4956 (partition_equiv_class): Don't track out_arcs_num.
4957 (evaluate_equiv_classes): Call cache_presence on all states and
4960 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4962 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4963 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4964 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4965 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4967 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4968 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4969 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4970 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4971 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4973 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4974 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4975 (REGNO_REG_CLASS): ARGP is in PREGS.
4976 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4978 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4979 to deal with those addresses.
4980 * addresses.h: New file.
4981 * caller-save.c: Include "addresses.h".
4982 (init_caller_save): Use new base_reg_class function.
4983 * rtl-factoring.c: Include "addresses.h".
4984 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4985 * recog.c: Include "addresses.h".
4986 (preprocess_constraints): Use new base_reg_class function.
4987 * regrename.c: Include "addresses.h".
4988 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4989 functions. Keep track of a new var INDEX_CODE to compute valid
4991 (replace_oldest_value_addr): Likewise.
4992 (replace_oldest_value_mem): Use base_reg_class.
4993 * reload.c: Include "addresses.h".
4994 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4995 (find_reloads): Use new base_reg_class function.
4996 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4997 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4998 all callers and prototype changed.
4999 * reload1.c: Include "addresses.h".
5000 (maybe_fix_stack_asms): Use base_reg_class.
5001 * regclass.c: Include "addresses.h".
5002 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5003 (init_reg_autoinc): Use new base_reg_class function.
5004 (record_reg_classes): Likewise.
5005 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5006 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5007 Use new args to compute necessary class.
5009 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5010 regrename.o, rtl-factoring.o): Update dependencies.
5011 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5012 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5013 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5014 REG_OK_FOR_INDEX_P): Delete documentation.
5016 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5018 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5019 from V7 to V9 for Solaris 7 and above.
5021 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5023 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5024 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5025 argument pointers may not alias any other storage.
5026 * common.opt: Define option -fargument-noalias-anything.
5027 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5028 alias semantics is specified by flag_argument_noalias > 2.
5030 2006-03-20 Jeff Law <law@redhat.com>
5032 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5033 (pass_phi_only_cprop): Declare.
5034 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5036 * tree-ssa-dom.c (degenerate_phi_result): New function.
5037 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5038 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5039 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5040 (eliminate_degenerate_phis): Likewise.
5041 (pass_phi_only_cprop): New pass descriptor.
5042 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5043 support code. Callers updated.
5044 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5045 (store_copy_prop): Likewise.
5046 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5048 2006-03-20 Jason Merrill <jason@redhat.com>
5051 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5052 (push_visibility, pop_visibility): Likewise.
5053 * c-pragma.h: Declare them.
5055 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5057 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5059 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5060 parameter and use get_ebb_head_tail.
5061 (sh_md_init_global): Adjust uses of find_regmode_weight.
5063 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5065 * function.h (struct function) <x_tail_recursion_reentry>:
5066 Rename to x_stack_check_probe_note.
5067 (tail_recursion_reentry): Rename to stack_check_probe_note.
5068 * function.c: Replace tail_recursion_reentry with
5069 stack_check_probe_note everywhere.
5070 (expand_function_start): Only emit a note for
5071 stack_check_probe_note with -fstack-protect.
5072 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5074 * emit-rtl.c (remove_unnecessary_notes): Remove.
5075 (pass_remove_unnecessary_notes): Remove.
5076 * rtl.h (remove_unnecessary_notes): Remove prototype.
5077 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5078 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5079 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5081 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5084 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5085 (valid_in_set): Handle ARRAY_REF.
5086 Change "if min_variant or VH" to asserts.
5087 (create_component_ref_by_pieces): Handle ARRAY_REF.
5088 (create_expression_by_pieces): Likewise.
5089 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5091 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5093 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5094 is operand of switch, not str[0].
5096 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5098 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5099 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5101 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5103 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5104 end of insn_extra_address_constraint declaration.
5106 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5108 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5109 (no-sum-in-toc): Same.
5110 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5112 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5113 NO_FP_IN_TOC for -fPIC instead of mask.
5115 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5116 (BOOT_LDFLAGS): Delete.
5118 * config/rs6000/t-aix52: Same.
5120 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5121 (stmsi[345678]_power): New.
5123 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5125 * config/ia64/ia64.opt: Add empty line to end of file.
5127 2006-03-17 Richard Guenther <rguenther@suse.de>
5130 * builtins.c (get_pointer_alignment): For component style references
5131 adjust alignment to the component type alignment. Make sure
5132 to adjust alignment for component access of constants.
5134 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5136 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5139 2006-03-17 Paul Brook <paul@codesourcery.com>
5141 * doc/install.texi: Docuemnt --with-mode.
5142 * config.gcc: Add --with-mode for arm*-*-*.
5143 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5145 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5147 * sh.c (max_labelno_before_reorg): New variable.
5148 (sh_reorg): Initialize it.
5149 (find_barrier): Check max_labelno_before_reorg before using
5150 label_to_alignment. Take length of explicit alignment insns
5151 into account. When seeing a UNSPECV_CONST_END, return it.
5153 * sh.c (fixup_mova): Set mode of affected label to QImode.
5154 (untangle_mova): New function.
5155 (find_barrier): Use it. Check mode of label before decrementing
5157 (sh_reorg): Likewise.
5158 Set mode of all insns back to VOIDmode.
5160 * sh.c (MOVA_LABELREF): New macro.
5161 (mova_p, fixup_mova, sh_reorg): Use it.
5162 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5163 ADDR_DIFF_VEC matches mova.
5165 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5167 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5168 with ATTRIBUTE_UNUSED.
5170 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5172 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5173 pointer, instead of assuming it is possible to derive the
5174 correct args size from a call insn.
5176 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5178 * rtl.h (CONST_INT_P): Define.
5179 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5180 instead of GET_CODE(x) == CONST_INT.
5181 (vax_rtx_costs): Likewise.
5182 (vax_output_int_move): Likewise.
5183 (vax_output_int_add): Likewise.
5184 (legitimate_constant_address_p): Likewise.
5185 (index_term_p): Likewise.
5186 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5187 * config/vax/vax.md (and<mode>3): Likewise.
5188 (ashrsi3): Likewise.
5190 (movstricthi): Likewise.
5191 (movstrictqi): Likewise.
5192 (rotrsi3): Likewise.
5193 (five unnamed insns): Likewise.
5195 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5197 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5198 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5199 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5200 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5201 Pass to ASM_OUTPUT_DWARF_OFFSET.
5202 * dwarf2out.c (debug_frame_section): New.
5203 (output_call_frame_info): Use debug_frame_section. Pass it to
5204 dw2_asm_output_offset.
5205 (output_die): Pass appropriate section to dw2_asm_output_offset.
5206 (output_compilation_unit_header): Likewise.
5207 (output_pubnames): Likewise.
5208 (output_aranges): Likewise.
5209 (enum dw_val_class): Break dw_val_class_lbl_offset into
5210 dw_val_class_lineptr and dw_val_class_macptr.
5211 (add_AT_lbl_offset): Delete.
5212 (add_AT_lineptr): New.
5213 (add_AT_macptr): New.
5214 (AT_lbl): Expect a lineptr or macptr.
5215 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5216 (attr_checksum): Likewise.
5217 (same_dw_val_p): Likewise.
5218 (size_of_die): Likewise.
5219 (value_format): Likewise.
5220 (output_die): Likewise.
5221 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5223 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5224 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5225 * config/darwin-protos.h (darwin_file_start): New.
5226 (darwin_asm_output_dwarf_offset): New.
5227 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5228 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5230 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5231 if not EH section; simplify.
5232 (darwin_file_start): New.
5233 (darwin_asm_output_dwarf_offset): New.
5234 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5236 (DEBUG_INFO_SECTION): Likewise.
5237 (DEBUG_ABBREV_SECTION): Likewise.
5238 (DEBUG_ARANGES_SECTION): Likewise.
5239 (DEBUG_MACINFO_SECTION): Likewise.
5240 (DEBUG_LINE_SECTION): Likewise.
5241 (DEBUG_LOC_SECTION): Likewise.
5242 (DEBUG_PUBNAMES_SECTION): Likewise.
5243 (DEBUG_STR_SECTION): Likewise.
5244 (DEBUG_RANGES_SECTION): Likewise.
5245 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5246 (ASM_OUTPUT_DWARF_OFFSET): New.
5248 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5250 * config.gcc (tm_defines): Always add to previous value rather
5253 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5255 * config/mips/predicates.md (splittable_const_int_operand): New,
5256 split from move_operand.
5257 (splittable_symbolic_operand): New.
5258 (move_operand): Add commentary. Use splittable_const_int_operand.
5259 Inline mips_atomic_symbolic_constant_p.
5260 * config/mips/mips.md: Add combine splitters for handling moves
5261 of splittable_const_int_operands and splittable_symbolic_operands.
5262 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5263 (mips_split_symbol): Declare.
5264 (mips_move_integer): Declare.
5265 * config/mips/mips.c (mips_split_p): Make global.
5266 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5267 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5268 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5269 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5270 (mips_offset_within_object_p): Handle block symbols.
5271 (mips_atomic_symbolic_constant_p): Delete.
5272 (mips_cannot_force_const_mem): Return false for constants that
5273 mips_legitimize_move can handle.
5274 (mips_use_blocks_for_constant_p): New function.
5275 (mips_split_symbol): Make global.
5276 (mips_move_integer): Likewise. Add a temporary register argument.
5277 (mips_legitimize_const_move): Use splittable_const_int_operand and
5278 splittable_symbolic_operand.
5279 (mips_use_anchors_for_symbol_p): New function.
5280 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5281 (mips_split_p): Declare.
5283 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5285 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5286 (mips*-*-linux*): Likewise.
5288 2006-03-16 Roger Sayle <roger@eyesopen.com>
5289 Daniel Speyer <dspeyer@wam.umd.edu>
5292 * tree-dump.c (dump_real): New function.
5293 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5294 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5295 (tree-dump.o): Add $(REAL_H) to the dependencies.
5297 2006-03-16 Roger Sayle <roger@eyesopen.com>
5300 * real.c (real_from_string): If the mantissa is zero, don't bother
5301 parsing the exponent as the result should always be zero.
5303 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5305 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5307 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5309 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5310 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5311 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5312 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5313 ia64_sched_finish_global): New static functions to implement
5314 hooks from gcc_target.sched.
5315 (spec_check_no, max_uid, pending_data_specs): New static variables.
5316 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5317 ia64_spec_check_src_p): New static functions.
5318 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5319 (TARGET_SCHED_ADJUST_COST): Removed.
5320 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5321 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5322 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5323 TARGET_SCHED_GEN_CHECK,
5324 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5325 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5326 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5327 Fixed to handle speculation checks.
5328 (rtx_needs_barrier): Fixed to handle speculative loads and
5330 (ia64_variable_issue): Added code to count speculative loads and their
5332 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5334 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5336 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5338 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5339 (ia64_reorg): Reset stops_p to NULL after it is freed.
5340 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5341 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5342 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5344 (data_speculative, control_speculative, check_load): New attributes.
5345 (mov<mode>_advanced, mov<mode>_speculative,
5346 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5347 zero_extend<mode>di2_speculative,
5348 zero_extend<mode>di2_speculative_advanced): New patterns for
5349 data and control speculative loads.
5350 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5352 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5353 New pattern for data and control speculation checks.
5354 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5355 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5356 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5357 Auxiliary definitions for the patterns.
5358 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5359 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5361 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5363 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5364 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5365 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5366 New resource constraints.
5367 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5369 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5370 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5371 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5372 msched-in-control-spec, msched-ldc, msched-control-ldc,
5373 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5374 msched-prefer-non-control-spec-insns,
5375 msched-count-spec-in-critical-path): New flags to tune speculative
5377 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5378 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5379 msched-in-control-spec, msched-ldc, msched-control-ldc,
5380 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5381 msched-prefer-non-control-spec-insns,
5382 msched-count-spec-in-critical-path): Document new flags.
5384 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5386 * target.h (struct spec_info_def): New opaque declaration.
5387 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5388 speculate_insn, needs_block_p, gen_check,
5389 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5390 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5391 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5392 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5393 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5394 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5396 (TARGET_SCHED): Use new macros.
5397 * rtl.h (copy_DEPS_LIST_list): New prototype.
5398 * sched-int.h (struct sched_info): Change signature of new_ready field,
5399 adjust all initializations. New fields: add_remove_insn,
5400 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5401 region_head_or_leaf_p.
5402 (struct spec_info_def): New structure declaration.
5403 (spec_info_t): New typedef.
5404 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5405 recovery_block, orig_pat.
5406 (glat_start, glat_end): New variables declaraions.
5407 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5409 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5410 DETACH_LIFE_INFO, USE_GLAT.
5411 (enum SPEC_SCHED_FLAGS): New enumeration.
5412 (NOTE_NOTE_BB_P): New macro.
5413 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5414 attach_life_info, debug_spec_status, check_reg_live): New functions.
5415 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5416 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5418 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5419 * ddg.c (get_block_head_tail): Adjust all uses.
5420 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5421 (sms_sched_info): Initialize new fields.
5422 (contributes_to_priority): Removed.
5423 * haifa-sched.c (params.h): New include.
5424 (get_block_head_tail): Adjust all uses.
5425 (ISSUE_POINTS): New macro.
5426 (glat_start, glat_end): New global variables.
5427 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5428 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5429 old_last_basic_block, before_recovery, current_sched_info_var,
5430 rgn_n_insns, luid): New static variables.
5431 (insn_cost1): New function. Move logic from insn_cost to here.
5432 (find_insn_reg_weight1): New function. Move logic from
5433 find_insn_reg_weight to here.
5434 (reemit_notes, move_insn, max_issue): Change signature.
5435 (move_insn1): Removed.
5436 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5437 extend_bb): New static functions to support extension of scheduler's
5439 (generate_recovery_code, process_insn_depend_be_in_spec,
5440 begin_speculative_block, add_to_speculative_block,
5441 init_before_recovery, create_recovery_block, create_check_block_twin,
5442 fix_recovery_deps): New static functions to support
5443 generation of recovery code.
5444 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5445 restore_bb_notes, move_block_after_check, move_succs): New static
5446 functions to support ebb scheduling.
5447 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5448 functions to support handling of register live information.
5449 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5450 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5451 add_jump_dependencies): New static functions.
5452 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5453 consistancy checking.
5454 (debug_spec_status): New function to call from debugger.
5455 (priority): Added code to handle speculation checks.
5456 (rank_for_schedule): Added code to distinguish speculative instructions.
5457 (schedule_insn): Added code to handle speculation checks.
5458 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5459 Fixed to handle ebbs.
5460 (move_insn): Added code to handle ebb scheduling.
5461 (max_issue): Added code to use ISSUE_POINTS of instructions.
5462 (choose_ready): Added code to choose between speculative and
5463 non-speculative instructions.
5464 (schedule_block): Added code to handle ebb scheduling and scheduling of
5465 speculative instructions.
5466 (sched_init): Initialize new variables.
5467 (sched_finish): Free new variables. Print statistics.
5468 (try_ready): Added code to handle speculative instructions.
5469 * lists.c (copy_DEPS_LIST_list): New function.
5470 * sched-deps.c (extend_dependency_caches): New function. Move logic
5471 from create_dependency_caches to here.
5472 (get_dep_weak, ds_merge): Make global.
5473 * genattr.c (main): Code to output prototype for
5474 dfa_clear_single_insn_cache.
5475 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5476 (output_dfa_clean_insn_cache_func): Code to output
5477 dfa_clear_single_insn_cache function.
5478 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5480 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5482 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5483 New static variables.
5484 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5485 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5487 (ebb_sched_info): Initialize new fields.
5488 (get_block_head_tail): Adjust all uses.
5489 (compute_jump_reg_dependencies): Fixed to use glat_start.
5490 (schedule_ebb): Code to remove unreachable last block.
5491 (schedule_ebbs): Added code to update register live information.
5492 * sched-rgn.c (region_sched_info): Initialize new fields.
5493 (get_block_head_tail): Adjust all uses.
5494 (last_was_jump): Removed. Adjust users.
5495 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5496 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5497 Implement new hooks.
5498 (check_dead_notes1): New static function.
5499 (struct region): New fields: dont_calc_deps, has_real_ebb.
5500 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5501 (BB_TO_BLOCK): Fixed to handle EBBs.
5502 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5503 (ebb_head): New static variable.
5504 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5505 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5507 (compute_dom_prob_ps): New assertion.
5508 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5509 global_live_at_start.
5510 (init_ready_list): New assertions.
5511 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5512 (new_ready): Add support for BEGIN_CONTROL speculation.
5513 (schedule_insns): Fixed code that updates register live information
5515 (schedule_region): Fixed to handle EBBs.
5516 (init_regions): Use extend_regions and check_dead_notes1.
5517 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5518 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5519 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5520 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5521 TARGET_SCHED_GEN_CHECK,
5522 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5523 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5524 * doc/invoke.texi (max-sched-insn-conflict-delay,
5525 sched-spec-prob-cutoff): Document.
5527 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5529 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5530 inter_tick, queue_index.
5531 (struct sched_info): Change signature of init_ready_list field.
5532 Adjust all initializations.
5533 (RESOLVED_DEPS): New access macro.
5534 (ready_add): Remove prototype.
5535 (try_ready): Add prototype.
5536 * sched-rgn.c (init_ready_list): Use try_ready.
5537 (schedule_region): Initialize
5538 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5539 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5540 (init_ready_list): Use try_ready.
5541 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5542 * lists.c (remove_list_elem): Remove `static'.
5543 (remove_free_INSN_LIST_elem): New function.
5544 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5545 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5546 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5548 (readyp): New variable.
5549 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5550 change_queue_index, resolve_dep): New static functions.
5551 (try_ready): New function. Adjust callers in sched-rgn.c and
5552 sched-ebb.c to use it instead of ready_add.
5553 (clock_var): Move at the begining of file.
5554 (rank_for_schedule): Fix typo.
5555 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5556 (ready_lastpos): Enforce assertion.
5557 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5559 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5560 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5561 (queue_to_ready): Use free_INSN_LIST_list.
5562 (early_queue_to_ready): Fix typo.
5563 (schedule_block): Init readyp. Move init_ready_list call after the
5564 initialization of clock_var. Fix error in rejecting insn by
5565 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5566 that previously corrected INSN_TICKs. Add code for handling
5568 (set_priorities): Fix typo.
5569 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5570 Clarify comment and code that keeps current_sched_info->next_tail
5573 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5575 * sched-rgn.c (extend_rgns): New static function.
5576 (find_rgns): Use it.
5577 (gather_region_statistics, print_region_statistics): New static
5579 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5580 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5582 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5583 Andrey Belevantsev <abel@ispras.ru>
5585 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5586 * lists.c (unused_deps_list): New variable.
5587 (free_list): Add assertions to verify the proper distinguishing
5588 between INSN_LISTs and DEPS_LISTs.
5589 (find_list_elem, remove_list_elem, remove_list_node): New static
5591 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5592 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5593 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5594 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5596 (free_INSN_LIST_node): Likewise.
5597 * modulo-sched.c (current_sched_info): Initialize flags field.
5598 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5599 * rtl.def (DEPS_LIST): Define.
5600 * rtl.h: Declare new functions from lists.c.
5601 * sched-deps.c (spec_dependency_cache): New static variable.
5602 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5603 (add_dependence): Change return type to void. Move the logic to ...
5604 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5605 (delete_all_dependences): Add comment about forward_dependency_cache.
5606 Handle spec_dependency_cache. Handle DEPS_LISTs.
5607 (fixup_sched_groups): Clarify the change of priority of output
5608 and anti dependencies.
5609 (sched_analyze_2): Adjust add_dependence calls to create data
5610 speculative dependence.
5611 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5612 Adjust all callers. Handle DEPS_LISTS.
5613 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5614 presence of speculation.
5615 (init_dependency_caches, free_dependency_caches):
5616 Handle spec_dependency_cache.
5617 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5618 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5619 New static functions.
5620 (add_or_update_back_dep, add_or_update_back_forw_dep,
5621 add_back_forw_dep, delete_back_forw_dep): New functions.
5622 * sched-int.h (ds_t, dw_t): New typedefs.
5623 (struct sched_info): Add new field flags.
5624 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5625 Prototype new sched-deps.c functions.
5626 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5627 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5628 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5629 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5630 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5631 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5633 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5635 * sched-rgn.c (current_sched_info): Initialize flags field.
5636 (schedule_insns): Initialize current_sched_info before the sched_init
5638 * sched-ebb.c (current_sched_info): Initialize flags field.
5639 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5640 Call add_or_update_back_dep instead of add_dependence.
5641 Create control speculative dependencies.
5642 (schedule_insns): Initialize current_sched_info before the sched_init
5645 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5647 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5649 (sh_fallback_frame_state): Likewise.
5651 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5653 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5654 Do switch on default_use_cxa_atexit.
5655 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5656 * config/darwin-crt3.o: New.
5657 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5658 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5659 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5661 * config/rs6000/t-darwin: Move crt2.o building to here.
5662 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5663 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5666 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5668 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5669 from '! xxx' to '!xxx' for coding-style conformance.
5670 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5671 (EXTRA_CONSTRAINT): Likewise.
5672 * config/vax/vax.md (four unnamed insns): Likewise.
5674 2006-03-15 Paul Brook <paul@codesourcery.com>
5676 * config/arm/arm.c (minipool_pad): New.
5677 (add_minipool_forward_ref): Include pool alignment padding in address
5679 (push_minipool_fix): Set minipool_pad.
5680 (minipool_pad): Ditto.
5682 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5684 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5685 instead of GET_CODE() == MEM and REG_P() instead of
5687 (print_operand_address): Likewise.
5688 (vax_address_cost): Likewise.
5689 (vax_rtx_costs): Likewise.
5690 (vax_notice_update_cc): Likewise.
5691 (vax_output_int_add): Likewise.
5692 (INDEX_REGISTER_P): Likewise.
5693 (BASE_REGISTER_P): Likewise.
5694 (nonindexed_address_p): Likewise.
5695 (vax_mode_dependent_address_p): Likewise.
5696 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5697 (PRINT_OPERAND): Likewise.
5698 * config/vax/vax.md (ashlsi3): Likewise.
5699 (ashlsi3): Likewise.
5700 (some more unnamed insns): Likewise.
5702 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5704 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5705 iterator-style macro.
5706 (mark_control_dependent_edges_necessary): Update the use of
5707 EXECUTE_IF_CONTROL_DEPENDENT.
5709 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5711 * config/sh/predicates.md (cache_address_operand): Special.
5712 (ua_address_operand): Likewise.
5714 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5716 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5718 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5720 2006-03-15 Andreas Schwab <schwab@suse.de>
5722 * gensupport.c (identify_predicable_attribute): Don't free p_false
5723 when it is still in use.
5725 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5727 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5728 the default setting here.
5730 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5732 * tree-pass.h (pass_cfg): Remove.
5733 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5734 * passes.c (pass_cfg): Don't run it.
5736 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5738 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5739 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5741 (stack_regs_mentioned): Update the uses of
5742 stack_regs_mentioned_data. Don't access the array beyond its
5744 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5745 Don't include gt-reg-stack.h.
5747 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5748 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5750 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5753 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5756 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5758 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5760 2006-03-14 Richard Guenther <rguenther@suse.de>
5762 PR tree-optimization/26672
5763 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5766 2006-03-14 Richard Guenther <rguenther@suse.de>
5768 PR tree-optimization/26667
5769 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5770 node for the callees. Always allow inlining if it will shrink
5773 2006-03-14 Richard Guenther <rguenther@suse.de>
5776 * builtins.c (get_pointer_alignment): Prefer alignment
5777 information from decls over that from types.
5779 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5782 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5784 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5786 * config/rs6000/rs6000.opt (mdlmzb): New option.
5787 (msched-prolog, msched-epilog): Use Var not Mask.
5788 * doc/invoke.texi (-mdlmzb): Document.
5789 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5791 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5792 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5794 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5796 PR rtl-optimization/25739
5797 * bt-load.c (augment_live_range): Free tos pointer.
5799 * gensupport.c (identify_predicable_attribute): Free
5801 * gcov.c (create_file_names): Free name pointer.
5803 2006-03-13 Roger Sayle <roger@eyesopen.com>
5806 * stmt.c (emit_case_nodes): Handle the case where the index is a
5807 CONST_INT, where the comparison mode is specified by the index type.
5809 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5811 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5814 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5816 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5817 (*branch_fp_inverted): Likewise.
5819 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5822 * omp-low.c (expand_omp_for_generic): Mark istart0
5823 and iend0 as addressable.
5825 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5827 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5829 2006-03-13 Jeff Law <law@redhat.com>
5831 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5832 virtual operands are interesting.
5833 (vrp_visit_stmt): Corresponding changes.
5835 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5837 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5839 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5840 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5841 * config/bfin/crti.S: Use it instead of __PIC__.
5842 * config/bfin/crtn.S: Likewise.
5844 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5845 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5847 Lose 'G' modifier for call operand.
5848 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5849 recognize 'G' modifier.
5851 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5854 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5855 * stmt.c (expand_case): Likewise.
5857 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5859 PR rtl-optimization/26254
5860 * loop-invariant.c (seq_insns_valid_p): New function.
5861 (move_invariant_reg): Only emit new code if it is valid.
5863 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5865 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5867 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5868 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5869 (commit_one_edge_insertion): Do not look for loop notes.
5871 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5873 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5874 flag_test_coverage out of loop.
5876 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5878 * final.c (shorten_branches): Remove outdated comment, and turn
5879 the if branch that guards it to continue.
5881 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5883 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5884 * cfgloop.h (struct loop): Remove unused fields.
5886 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5888 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5889 (-dL, -fdump-rtl-loop2): Update the dump file names
5891 * doc/invoke.texi: Update dump file names.
5893 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5895 * predict.c (estimate_probability): Remove.
5896 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5897 * basic-block.h (estimate_probability): Remove prototype.
5898 * passes.c (finish_optimization_passes): Dump branch prediction or
5899 profiling heuristics to the .profile tree dump.
5900 (init_optimization_passes): Unqueue pass_branch_prob.
5902 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5904 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5906 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5907 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5909 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5911 * function.h (frame_offset_overflow): Declare.
5912 * function.c (frame_offset_overflow): New function.
5913 (assign_stack_local_1): Call it to detect that the offset overflows.
5914 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5916 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5918 * config/sh/sh.c: Include alloc-pool.h.
5919 (label_ref_list_pool): New alloc pool.
5920 (label_ref_list_t): New type for lists of labels.
5921 (struct pool_node): Make wend a label_ref_list_t.
5922 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5924 (dump_table): Likewise.
5925 (sh_reorg): Set up the alloc pool before using add_constant and
5926 dump_table, and destroy it when finishing.
5928 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5930 * config/mips/mips.c: Remove redundant comment.
5932 2006-03-10 Jason Merrill <jason@redhat.com>
5935 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5936 the target was declared 'register'.
5938 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5940 * genpreds.c (write_insn_constraint_len): Change definition of
5941 insn_constraint_len to return size_t to match the declaration.
5943 2006-03-10 DJ Delorie <dj@redhat.com>
5945 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5947 (m32c_expand_insv): Fix test for an AND mask.
5949 2006-03-10 Richard Guenther <rguenther@suse.de>
5952 * builtins.c (get_pointer_alignment): Handle component
5953 references for field alignment.
5955 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5957 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5958 when building with libgloss.
5959 (sh*elf): Implement --without-fp option.
5960 (sh64-superh-linux*): Don't multilib.
5962 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5964 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5966 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5968 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5969 Set it when one of the replacement functions returned true.
5970 Return TODO_cleanup_cfg if cfgchanged is true.
5971 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5973 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5975 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5976 instead of gen_lowpart.
5978 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5980 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5982 (mips_output_order_conditional_branch): Declare.
5983 * config/mips/mips.h (MIPS_BRANCH): New macro.
5984 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5985 for the comparison. Use gen_condjump.
5986 (mips_output_conditional_branch): Rework interface to take the
5987 asm templates for a direct branch and the inverse of a direct branch.
5988 (mips_output_order_conditional_branch): New function.
5989 (mips_builtin_branch_and_move): New function.
5990 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5991 branch condition. Use gen_single_cc as the condition for
5992 __builtin_mips_upper_* or __builtin_mips_lower_*.
5993 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5994 Use VOIDmode for the branch condition.
5995 * config/mips/predicates.md (order_operator): New predicate.
5996 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5997 (branch_fp): Rename to...
5998 (*branch_fp): ...this. Remove mode from comparison operator.
5999 Use new mips_output_conditional_branch interface.
6000 (branch_fp_inverted): Rename to...
6001 (*branch_fp_inverted): ...this and update as for *branch_fp.
6002 (*branch_zero<mode>): Rename to...
6003 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6004 Use mips_output_order_conditional_branch. Only accept ordered
6006 (*branch_zero<mode>_inverted): Rename to...
6007 (*branch_order<mode>_inverted): ...this and update as for
6008 *branch_order<mode>.
6009 (*branch_equality<mode>): Accept zero as the second operand to
6010 the equality operator. Use the new mips_output_conditional_branch
6012 (*branch_equality<mode>_inverted): Likewise.
6013 (condjump): New expander.
6014 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6016 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6017 (bc1any2t, bc1any2f): Likewise.
6018 (single_cc): New expander.
6019 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6021 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6023 * doc/md.texi: Update documentation of MIPS constraints.
6024 * config/mips/constraints.md: New file.
6025 * config/mips/mips.md: Include it.
6026 * config/mips/mips.c (mips_char_to_class): Delete.
6027 (override_options): Don't initialize mips_char_to_class.
6028 * config/mips/mips.h (mips_char_to_class): Delete.
6029 (REG_CLASS_FROM_LETTER): Delete.
6030 (CONST_OK_FOR_LETTER_P): Delete.
6031 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6032 (EXTRA_CONSTRAINT_Y): Delete.
6033 (EXTRA_CONSTRAINT_STR): Delete.
6034 (CONSTRAINT_LEN): Delete.
6035 (EXTRA_MEMORY_CONSTRAINT): Delete.
6037 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6039 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6040 original fn's eh regions.
6042 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6044 * fold-const.c (build_range_check): Make sure to use a valid type to
6045 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6048 (range_predecessor): New static function.
6049 (range_successor): Likewise.
6050 (merge_ranges): Use them to compute predecessors and successors of
6053 2006-03-09 Roger Sayle <roger@eyesopen.com>
6056 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6057 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6059 2006-03-08 DJ Delorie <dj@redhat.com>
6061 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6062 (addpsi3): Expand to include memory operands. Remove
6063 reload-specific splits.
6064 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6065 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6066 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6067 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6068 (shift1_qi, shift1_hi, insv): New.
6069 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6070 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6071 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6073 * config/m32c/m32c-protos.h: Update as needed.
6074 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6075 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6076 Fail for unrecognized R* constraints.
6077 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6078 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6079 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6081 (m32c_init_libfuncs): New.
6082 (m32c_legitimate_address_p): Add debug wrapper.
6083 (m32c_rtx_costs): New.
6084 (m32c_address_cost): New.
6085 (conversions): Add 'B' prefix.
6086 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6087 operands, or word regnames for QI operands. 'B' prints bit
6089 (m32c_expand_setmemhi): New.
6090 (m32c_expand_movmemhi): New.
6091 (m32c_expand_movstr): New.
6092 (m32c_expand_cmpstr): New.
6093 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6094 (m32c_expand_neg_mulpsi3): Handle non-ints.
6095 (m32c_cmp_flg_0): New.
6096 (m32c_expand_movcc): New.
6097 (m32c_expand_insv): New.
6098 (m32c_scc_pattern): New.
6099 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6100 a0/a1 out of SIregs.
6101 (STORE_FLAG_VALUE): New.
6102 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6105 * config/m32c/mov.md: Make constraints more liberal.
6106 (zero_extendqihi2): Optimize r0/r1 case.
6107 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6108 * config/m32c/predicates.md (m32c_any_operand): New.
6109 (m32c_nonimmediate_operand): New.
6110 (m32c_hl_operand): New.
6111 (m32c_r3_operand): New.
6114 (memsym_operand): New.
6115 (memimmed_operand): New.
6116 (a_qi_operand): New.
6117 (m32c_eqne_operator): New.
6118 (m32c_1bit8_operand): New.
6119 (m32c_1bit16_operand): New.
6120 (m32c_1mask8_operand): New.
6121 (m32c_1mask16_operand): New.
6122 * config/m32c/blkmov.md: New file.
6123 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6125 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6127 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6128 unsigned to fix signed/unsigned comparison issue in
6129 DWARF2_FRAME_REG_OUT.
6130 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6131 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6133 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6134 of ptr into the ENABLE_CHECKING section.
6136 2006-03-08 Jeff Law <law@redhat.com>
6138 * tree-vrp.c (infer_value_range): Only count pointer uses
6139 and dereferences if -fdelete-null-pointer-checks is enabled.
6141 * tree-vrp.c (find_assert_locations): Infer value ranges for
6142 single use pointers, but do not create ASSERT_EXPRs for them.
6143 When a non-null range is inferred for a pointer, backwards
6144 propagate that range to other equivalent pointers through the
6147 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6150 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6151 language hook targets.
6152 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6153 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6154 if language hook targets were missing.
6156 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6158 * tree-ssa-opfinalize.h: Removed.
6159 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6161 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6162 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6163 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6164 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6165 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6166 finalize_ssa_v_must_def_ops): New.
6168 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6170 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6173 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6175 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6177 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6178 addresses with offsets; reorganize.
6180 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6181 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6182 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6184 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6187 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6189 2006-03-08 Ben Elliston <bje@au.ibm.com>
6191 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6193 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6196 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6199 2006-03-07 Richard Guenther <rguenther@suse.de>
6201 PR tree-optimization/26587
6202 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6204 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6206 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6208 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6210 * hooks.c (hook_bool_mode_rtx_true): New function.
6211 * hooks.h (hook_bool_mode_rtx_true): Declare.
6212 * toplev.c (compile_file): Call output_shared_constant_pool.
6213 * varasm.c (shared_constant_pool): New variable.
6214 (assemble_start_function, assemble_end_function): Remove arguments
6215 from call to output_constant_pool.
6216 (create_constant_pool): New function, split out from...
6217 (init_varasm_status): ...here.
6218 (force_const_mem): Choose between the shared and per-function constant
6219 pools. Set current_function_uses_const_pool when reusing old entries
6220 as well as when creating new ones.
6221 (mark_constant): Ignore data argument.
6222 (mark_constants): Remove pool argument.
6223 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6224 to decide whether the function uses a constant pool.
6225 (output_constant_pool_contents): New function, split out from...
6226 (output_constant_pool): ...here.
6227 (output_shared_constant_pool): New function.
6228 (init_varasm_once): Initialize shared_constant_pool.
6229 * output.h (output_constant_pool): Delete.
6230 (output_shared_constant_pool): Declare.
6231 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6232 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6234 2006-03-06 Nick Clifton <nickc@redhat.com>
6236 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6237 flag_strength_reduce.
6239 2006-03-06 Ben Elliston <bje@au.ibm.com>
6241 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6242 x86_64-*-linux* configurations.
6244 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6245 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6247 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6249 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6251 * basic-block.h: Remove the extern for
6252 rediscover_loops_after_threading.
6254 * cfgloop.c (cancel_loop): Make it static.
6255 * cfgloop.h: Remove the prototype for cancel_loop.
6257 * flow.c (recompute_reg_usage): Make it static.
6258 * rtl.h: Remove the prototype for recompute_reg_usage.
6260 * function.c (use_return_register): Make it static.
6261 * function.h: Remove the prototype.
6263 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6265 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6267 * recog.h: Remove the prototype for
6268 validate_change_maybe_volatile.
6270 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6272 * rtlanal.c (replace_reg): Remove.
6273 * rtl.h: Remove the prototype for replace_reg.
6275 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6277 * regclass.c (reg_scan_update): Remove.
6278 (reg_scan_mark_refs): Remove the last argument.
6279 * rtl.h: Remove the prototype for reg_scan_update.
6281 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6283 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6284 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6285 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6286 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6287 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6288 loop-invariant.c, omp-low.c, opts.c, passes.c,
6289 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6290 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6291 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6292 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6293 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6294 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6296 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6298 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6299 * dwarf2out.h: Remove the prototype for
6300 dwarf2out_add_library_unit_info.
6302 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6304 * tree.c (add_var_to_bind_expr): Remove.
6305 * tree.h: Remove the prototype for add_var_to_bind_expr.
6307 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6309 * regclass.c (n_non_fixed_regs): Remove.
6310 (init_reg_sets_1, globalize_reg): Remove all uses of
6312 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6314 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6316 * rtlanal.c (insns_safe_to_move_p): Remove.
6317 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6319 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6321 * expmed.c (expand_mult_add): Remove.
6322 * expr.h: Remove the prototype for expand_mult_add.
6324 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6326 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6327 and REG_SAVED_VAL_EXP constants.
6328 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6329 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6330 Handle regs stored by value.
6331 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6332 (execute_cfa_program): Handle DW_CFA_val_offset,
6333 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6334 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6335 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6336 (uw_install_context_1): Handle target regs stored by value.
6338 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6340 * tree-sra.c (tree_sra): Return todoflags;
6341 (generate_one_element): Set TODO_update_smt_usage if needed.
6342 (pass_sra): Remove TODO_update_smt_usage.
6343 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6345 (tree_ssa_forward_propagate_single_use_vars): Return
6346 TODO_update_smt_usage if we need to update SMT usage.
6347 (pass_forwprop): Remove TODO_update_smt_usage.
6349 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6351 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6352 (correct_use_link): Remove reference to get_stmt_operands.
6353 (update_stmt_operands): Likewise.
6354 (get_modify_expr_operands): New function factored out of
6355 parse_ssa_operands and get_expr_operands.
6356 Try to create V_MUST_DEFs for LHS by default.
6357 (get_expr_operands) <case MODIFY_EXPR>: Call
6358 get_modify_expr_operands.
6359 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6360 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6361 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6362 get_modify_expr_operands.
6364 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6366 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6367 * tree-flow.h: Remove the prototype for
6368 referenced_var_lookup_if_exists.
6370 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6372 PR rtl-optimization/26345
6374 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6376 2006-03-03 Roger Sayle <roger@eyesopen.com>
6378 PR tree-optimization/26524
6379 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6380 fold_convert to create a constant of the appropriate type.
6382 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6384 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6385 SYMBOL_REF_IN_BLOCK_P.
6386 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6387 of SYMBOL_FLAG_IN_BLOCK.
6388 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6389 instead of SYMBOL_REF_IN_BLOCK_P.
6390 * explow.c (use_anchored_address): Likewise.
6391 * rtl.c (rtx_size): Likewise.
6392 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6393 instead of SYMBOL_FLAG_IN_BLOCK.
6394 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6395 SYMBOL_REF_IN_BLOCK_P.
6396 (assemble_variable): Likewise.
6397 (output_constant_def_contents): Likewise.
6398 (output_constant_pool): Likewise.
6399 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6400 instead of SYMBOL_FLAG_IN_BLOCK.
6401 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6402 SYMBOL_REF_IN_BLOCK_P.
6403 (SYMBOL_REF_BLOCK): Likewise.
6404 (SYMBOL_REF_OFFSET): Likewise.
6405 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6406 SYMBOL_REF_IN_BLOCK_P.
6407 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6408 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6409 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6410 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6412 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6414 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6416 2006-03-02 Roger Sayle <roger@eyesopen.com>
6418 * simplify-rtx.c (simplify_unary_operation): When simplifying
6419 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6420 that we perform the right shift in the appropriate mode, and
6421 then extend or truncate the result to requested mode.
6423 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6425 * gengtype.c (main): Handle double_int type.
6426 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6427 * double-int.c: New file.
6428 * double-int.h: New file.
6429 * system.h: Include doubleint.h.
6430 * Makefile.in (SYSTEM_H): Include double-int.h.
6431 (double-int.o): Add.
6433 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6436 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6439 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6441 * tree-vrp.c (remove_range_assertions): Do not update statements
6444 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6446 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6448 * gcse.c (rest_of_handle_gcse): Ditto.
6449 * except.c (gate_handle_eh): Ditto.
6450 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6451 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6453 2006-03-02 Eric Christopher <echristo@apple.com>
6455 * config/i386/i386.c (machopic_output_stub): Add indirection to
6458 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6462 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6464 Sun Niagara specific optimizations.
6465 * config.gcc: Recognize niagara as target.
6466 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6467 (TARGET_CPU_niagara): Define.
6468 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6469 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6470 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6471 (ASM_CPU_SPEC): Likewise.
6472 (PROCESSOR_NIAGARA): New enum entry.
6473 (REGISTER_MOVE_COST): Handle Niagara.
6474 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6475 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6476 (sparc_override_options): Recognize "niagara", set appropriate
6477 default MASK_* values for it, and align functions to 32-bytes
6478 by default just like ULTRASPARC/ULTRASPARC3.
6479 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6480 (sparc64_initialize_trampoline): Likewise.
6481 (sparc_use_sched_lookahead): Use zero for niagara.
6482 (sparc_issue_rate): Use one for niagara.
6483 * config/sparc/niagara.md: New file.
6484 * config/sparc/sparc.md: Include it.
6485 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6486 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6487 when default cpu is niagara.
6488 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6489 (ASM_CPU_SPEC): Likewise.
6490 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6491 when default cpu is niagara.
6492 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6493 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6494 just like v9/ultrasparc/ultrasparc3.
6495 * doc/invoke.texi: Add documentation for "niagara" and improve
6496 existing documentation for ultrasparc variants.
6498 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6500 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6502 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6504 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6505 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6506 and say that only one is needed.
6507 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6508 * target.h (have_switchable_bss_sections): New hook.
6509 * explow.c (use_anchored_address): Check that the symbol is in a block.
6510 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6511 (bss_noswitch_section): New variables.
6512 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6513 (get_noswitch_section): New function.
6514 (get_block_for_section): Allow SECT to be null.
6515 (unlikely_text_section_p): Use SECTION_STYLE.
6516 (bss_initializer_p): New function.
6517 (get_variable_section): Move earlier in file. Take a new argument,
6518 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6519 Return one of the new *_sections in such cases.
6520 (get_block_for_decl): New function, extracting some logic from
6521 use_blocks_for_decl_p.
6522 (change_symbol_section): Remove in favor of...
6523 (change_symbol_block): ...this new function.
6524 (use_blocks_for_decl_p): Remove checks now performed by
6526 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6527 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6528 (emit_local, emit_bss, emit_common): ...these new functions.
6529 Return true if the alignment was honored.
6530 (emit_tls_common): New function.
6531 (asm_emit_uninitialised): Delete.
6532 (assemble_variable_noswitch): New function, split out from...
6533 (assemble_variable): ...here. Don't make decisions about common
6534 variables here. Globalize all public decls that go into non-common
6535 sections. Check whether SYMBOL_REF_BLOCK is null.
6536 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6537 (output_constant_pool): Likewise.
6538 (init_varasm_once): Initialize the new section variables.
6539 (have_global_bss_p): New function.
6540 (categorize_decl_for_section): Use bss_initializer_p.
6541 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6542 (place_block_symbol): Assert that the symbol must be in a block.
6543 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6544 (TARGET_INITIALIZER): Include it.
6545 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6546 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6547 (SECTION_MACH_DEP): Bump by two.
6548 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6549 (unnamed_section): Mention SECTION_UNNAMED in comment.
6550 (named_section): Likewise SECTION_NAMED.
6551 (noswitch_section_callback): New type.
6552 (noswitch_section): New structure.
6553 (section): Add a noswitch_section alternative.
6554 (SECTION_STYLE): New macro.
6555 (tls_comm_section, comm_section, lcomm_section): Declare.
6556 (bss_noswitch_section, have_global_bss_p): Declare.
6557 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6558 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6560 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6561 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6564 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6566 * tree-vrp.c (execute_vrp): Return value.
6567 * regrename.c (rest_of_handle_regrename): Ditto.
6568 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6569 * tree-complex.c (tree_lower_complex): Ditto.
6570 (tree_lower_complex_O0): Ditto.
6571 * tracer.c (rest_of_handle_tracer): Ditto.
6572 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6573 * postreload.c (rest_of_handle_postreload): Ditto.
6574 * tree-tailcall.c (execute_tail_recursion): Ditto.
6575 (execute_tail_calls): Ditto.
6576 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6577 * tree.h (init_function_for_compilation): Ditto.
6578 * ipa-cp.c (ipcp_driver): Ditto.
6579 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6580 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6581 * final.c (compute_alignments): Ditto.
6582 (rest_of_handle_final): Ditto.
6583 (rest_of_handle_shorten_branches): Ditto.
6584 (rest_of_clean_state): Ditto.
6585 * omp-low.c (execute_expand_omp): Ditto.
6586 (execute_lower_omp): Ditto.
6587 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6588 * ipa-reference.c (static_execute): Ditto.
6589 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6590 * reorg.c (rest_of_handle_delay_slots): Ditto.
6591 (rest_of_handle_machine_reorg): Ditto.
6592 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6593 * flow.c (recompute_reg_usage): Ditto.
6594 (rest_of_handle_remove_death_notes): Ditto.
6595 (rest_of_handle_life): Ditto.
6596 (rest_of_handle_flow2): Ditto.
6597 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6598 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6599 (do_ssa_store_ccp): Ditto.
6600 (execute_fold_all_builtins): Ditto.
6601 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6602 * modulo-sched.c (rest_of_handle_sms): Ditto.
6603 * ipa-pure-const.c (static_execute): Ditto.
6604 * cse.c (rest_of_handle_cse): Ditto.
6605 (rest_of_handle_cse2): Ditto.
6606 * web.c (rest_of_handle_web): Ditto.
6607 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6608 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6609 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6610 * tree-nrv.c (tree_nrv): Ditto.
6611 (execute_return_slot_opt): Ditto.
6612 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6613 (create_structure_vars): Ditto.
6614 * loop-init.c (rtl_loop_init): Ditto.
6615 (rtl_loop_done): Ditto.
6616 (rtl_move_loop_invariants): Ditto.
6617 (rtl_unswitch): Ditto.
6618 (rtl_unroll_and_peel_loops): Ditto.
6619 (rtl_doloop): Ditto.
6620 * gimple-low.c (lower_function_body): Ditto.
6621 (mark_used_blocks): Ditto.
6622 * tree-ssa-sink.c (execute_sink_code): Ditto.
6623 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6624 (cgraph_early_inlining): Ditto.
6625 * global.c (rest_of_handle_global_alloc): Ditto.
6626 * jump.c (cleanup_barriers): Ditto.
6627 (purge_line_number_notes): Ditto.
6628 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6629 (rest_of_handle_if_after_reload): Ditto.
6630 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6631 (tree_ssa_loop_im): Ditto.
6632 (tree_ssa_loop_unswitch): Ditto.
6633 (tree_vectorize): Ditto.
6634 (tree_linear_transform): Ditto.
6635 (tree_ssa_loop_ivcanon): Ditto.
6636 (tree_ssa_empty_loop): Ditto.
6637 (tree_ssa_loop_bounds): Ditto.
6638 (tree_complete_unroll): Ditto.
6639 (tree_ssa_loop_prefetch): Ditto.
6640 (tree_ssa_loop_ivopts): Ditto.
6641 (tree_ssa_loop_done): Ditto.
6642 * predict.c (tree_estimate_probability): Ditto.
6643 * recog.c (split_all_insns_noflow): Ditto.
6644 (rest_of_handle_peephole2): Ditto.
6645 (rest_of_handle_split_all_insns): Ditto.
6646 * tree-eh.c (lower_eh_constructs): Ditto.
6647 * regmove.c (rest_of_handle_regmove): Ditto.
6648 (rest_of_handle_stack_adjustments): Ditto.
6649 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6650 * function.c (instantiate_virtual_regs): Ditto.
6651 (init_function_for_compilation): Ditto.
6652 (rest_of_handle_check_leaf_regs): Ditto.
6653 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6654 (rest_of_handle_gcse): Ditto.
6655 * ipa-type-escape.c (type_escape_execute): Ditto.
6656 * alias.c (rest_of_handle_cfg): Ditto.
6657 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6658 * profile.c (rest_of_handle_branch_prob): Ditto.
6659 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6660 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6661 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6662 * tree-dfa.c (find_referenced_vars): Ditto.
6663 * except.c (set_nothrow_function_flags): Ditto.
6664 (convert_to_eh_region_ranges): Ditto.
6665 (rest_of_handle_eh): Ditto.
6666 * emit-rtl.c (unshare_all_rtl): Ditto.
6667 (remove_unnecessary_notes): Ditto.
6668 * except.h (set_nothrow_function_flags): Ditto.
6669 (convert_to_eh_region_ranges): Ditto.
6670 * cfgexpand.c (tree_expand_cfg): Ditto.
6671 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6672 * tree-ssa-pre.c (do_pre): Ditto.
6673 (execute_fre): Ditto.
6674 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6675 (rest_of_handle_jump2): Ditto.
6676 * tree-sra.c (tree_sra): Ditto.
6677 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6678 (execute_mudflap_function_decls): Ditto.
6679 * tree-ssa-copy.c (do_copy_prop): Ditto.
6680 (do_store_copy_prop): Ditto.
6681 * ipa-prop.h (ipcp_driver): Ditto.
6682 * cfglayout.c (insn_locators_initialize): Ditto.
6683 * tree-ssa-forwprop.c
6684 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6685 * cfglayout.h (insn_locators_initialize): Ditto.
6686 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6687 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6688 (execute_late_warn_uninitialized): Ditto.
6689 * rtl.h (cleanup_barriers): Ditto.
6690 (split_all_insns_noflow): Ditto.
6691 (purge_line_number_notes): Ditto.
6692 (unshare_all_rtl): Ditto.
6693 (remove_unnecessary_notes): Ditto.
6694 (recompute_reg_usage): Ditto.
6695 (variable_tracking_main): Ditto.
6696 * integrate.c (emit_initial_value_sets): Ditto.
6697 * integrate.h (emit_initial_value_sets): Ditto.
6698 * tree-optimize.c (execute_free_datastructures): Ditto
6699 (execute_free_cfg_annotations): Ditto.
6700 (execute_fixup_cfg): Ditto.
6701 (execute_cleanup_cfg_pre_ipa): Ditto.
6702 (execute_cleanup_cfg_post_optimizing): Ditto.
6703 (execute_init_datastructures): Ditto.
6704 * tree-object-size.c (compute_object_sizes): Ditto.
6705 * combine.c (rest_of_handle_combine): Ditto.
6706 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6707 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6708 (rest_of_handle_reorder_blocks): Ditto.
6709 (rest_of_handle_partition_blocks): Ditto.
6710 * var-tracking.c (variable_tracking_main): Ditto.
6711 * tree-profile.c (tree_profiling): Ditto.
6712 * tree-vect-generic.c (expand_vector_operations): Ditto.
6713 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6714 * sched-rgn.c (rest_of_handle_sched): Ditto.
6715 (rest_of_handle_sched2): Ditto.
6716 * basic-block.h (free_bb_insn): Ditto.
6717 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6718 * tree-cfg.c (execute_build_cfg): Ditto.
6719 (remove_useless_stmts): Ditto.
6720 (split_critical_edges): Ditto.
6721 (execute_warn_function_return): Ditto.
6722 (execute_warn_function_noreturn): Ditto.
6723 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6724 * cfgrtl.c (free_bb_for_insn): Ditto.
6725 * passes.c (execute_one_pass): Run additional
6726 todos returned by execute function.
6727 * tree-pass.h (struct tree_opt_pass): Make execute
6730 2006-03-02 Richard Guenther <rguenther@suse.de>
6732 * tree-ssa-alias.c (find_used_portions): Consider taking
6733 the address as making the variable not write-only.
6735 2006-03-02 Nick Clifton <nickc@redhat.com>
6737 * config.gcc (default_use_cxa_atexit): Extend the description of
6738 this configure variable. Set its default value to "yes" for
6739 Linux, NetBSD and ELF targets on the assumption that they will
6740 use C libraries with the __cxa_atexit function.
6742 2006-03-02 Ben Elliston <bje@au.ibm.com>
6744 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6745 parameter as unused to suppress a build warning.
6747 2006-03-02 Ben Elliston <bje@au.ibm.com>
6749 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6752 2006-03-01 Roger Sayle <roger@eyesopen.com>
6755 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6756 declared name, the weak reference name, and the typeof name.
6757 (__gthrw): Avoid expanding the declared name suffix.
6758 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6760 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6762 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6764 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6765 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6766 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6767 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6768 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6769 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6770 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6771 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6772 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6773 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6774 (DW_END_default, DW_END_big, DW_END_little): New.
6775 (DW_END_lo_user, DW_END_hi_user): Define.
6776 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6777 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6778 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6781 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6783 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6785 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6787 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6789 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6791 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6792 to 'symbol_mem_tag'.
6794 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6797 2006-03-01 Roger Sayle <roger@eyesopen.com>
6799 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6801 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6804 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6805 MACHO_DYNAMIC_NO_PIC_P.
6806 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6808 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6811 * config/darwin-protos.h (darwin_asm_output_anchor):
6813 * config/darwin-sections.def (cstring_section):
6814 Add SECTION_MERGE to the flags.
6815 (literal4_section): Likewise.
6816 (literal8_section): Likewise.
6817 (objc_selector_refs_section): Likewise.
6818 (objc_cls_refs_section): Likewise.
6819 * config/darwin.c (darwin_asm_output_anchor): New
6821 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6823 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6825 Fix PR tree-optimization/26443
6826 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6827 to todo and PROP_tmt_usage to properties_destroyed.
6828 * tree-ssa-ccp.c (pass_ccp): Ditto.
6829 (pass_store_ccp): Ditto.
6830 * tree-ssa-dom.c (pass_dominator): Ditto.
6832 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6834 * tree-ssa-operands.c: Cleanup whitespace.
6835 (get_asm_expr_operands): Move before first invocation.
6836 (get_indirect_ref_operands): Likewise.
6837 (get_tmr_operands): Likewise.
6838 (get_call_expr_operands): Likewise.
6839 (append_def): Likewise.
6840 (append_use): Likewise.
6841 (append_v_may_def): Likewise.
6842 (append_v_must_def): Likewise.
6843 (add_call_clobber_ops): Likewise.
6844 (add_call_read_ops): Likewise.
6845 (add_stmt_operand): Likewise.
6846 (add_virtual_operand): Likewise.
6847 (build_ssa_operands): Likewise.
6849 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6854 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6855 with a call expr to ...
6856 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6858 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6860 * tree-vrp.c (extract_range_from_assert): Remove special
6861 handling for types with super-types.
6863 2006-03-01 Ben Elliston <bje@au.ibm.com>
6865 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6866 and powerpc64-*-linux* configurations.
6867 * config/t-dfprules: New file.
6869 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6870 Compile dfp-bit.c from the source directory using -DWIDTH and
6871 $DFP_CFLAGS to control the compilation of that file, rather than
6872 generating width-specific versions in the build directory.
6873 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6874 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6876 2006-02-28 Zack Weinberg <zackw@panix.com>
6878 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6881 2006-02-28 Eric Christopher <echristo@apple.com>
6883 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6884 Set up IN_LIBGCC definition of TARGET_64BIT.
6885 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6887 2006-02-28 Roger Sayle <roger@eyesopen.com>
6890 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6891 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6892 cases via the construction of "expr != 0".
6894 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6896 * alias.c (alias_invariant, alias_invariant_size): Remove.
6897 (record_base_value): Remove.
6898 (memrefs_conflict_p): Don't look at alias_invariant.
6899 (end_alias_analysis): Don't free it.
6900 * alias.h (record_base_value): Remove prototype.
6902 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6903 Adam Nemet <anemet@caviumnetworks.com>
6905 * rtl.h (truncated_to_mode): Declare it.
6906 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6907 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6908 (RTL_HOOKS_INITIALIZER): Include it.
6909 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6910 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6911 reg_truncated_to_mode.
6912 * rtlanal.c (truncated_to_mode): Define it.
6913 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6915 2006-02-28 Jeff Law <law@redhat.com>
6917 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6918 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6919 the range allowed by TYPE_PRECISION.
6921 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6923 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6925 PR tree-optimization/26419
6926 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6929 2006-02-27 Zack Weinberg <zackw@panix.com>
6931 * doc/md.texi: Fix typo in previous change.
6933 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6937 2006-02-27 Zack Weinberg <zackw@panix.com>
6939 * rtl.def (define_constraint, define_register_constraint)
6940 (define_memory_constraint, define_address_constraint): New MD forms.
6941 * gensupport.c (process_rtx): Put define_constraint etc on the
6943 * genpreds.c (process_define_predicate): Adjust comment. Validate
6944 the name, and call validate_exp to validate the expression.
6945 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6946 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6947 all callers changed.
6948 (validate_exp, needs_variable, struct constraint_data)
6949 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6950 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6951 (const_dbl_constraints, constraint_max_namelen)
6952 (have_register_constraints, have_memory_constraints)
6953 (have_address_constraints, have_address_constraints)
6954 (have_extra_constraints, have_const_int_constraints)
6955 (have_const_dbl_constraints, mangle, add_constraint)
6956 (process_define_constraint, process_define_register_constraint)
6957 (write_enum_constraint_num, write_lookup_constraint)
6958 (write_insn_constraint_len, write_regclass_for_constraint)
6959 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6960 (write_insn_extra_memory_constraint)
6961 (write_insn_extra_address_constraint)
6962 (write_satisfies_constraint_fns): New.
6963 (write_tm_preds_h): If we have new-style constraint definitions,
6964 prototype the functions generated from them, and define the
6965 old constraint interface (still used by generic code) in terms of
6967 (write_insn_preds_c): If we have new-style constraint definitions,
6968 generate all relevant functions from those definitions.
6969 (main): Handle define_constraint etc.
6970 * genoutput.c (struct constraint_data, indep_constraints)
6971 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6972 (mdep_constraint_len): New data structures and functions, defined
6973 #ifdef USE_MD_CONSTRAINTS.
6974 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6975 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6976 use new logic to validate operand constraints against constraint
6978 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6980 * defaults.h: If none of the old-style constraint macros are
6981 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6982 old-style macros; and poison REG_CLASS_FROM_LETTER,
6983 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6985 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6986 * doc/md.texi: Document new constraint-definition mechanism and the
6987 C interface it provides. Remove references to old mechanism
6988 elsewhere in the document.
6989 (Machine Constraints): Use pathnames relative to gcc directory,
6990 i.e. config/ARCH/FILE. Change i386 section to refer to
6991 config/i386/predicates.md; update that section to match docstrings.
6992 * doc/tm.texi: Move all documentation of the old constraint-
6993 definition macros to their own section, clearly mark as obsolete.
6995 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6996 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6998 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6999 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7000 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7002 (splits and peepholes): Use satisfies_constraint_*.
7003 * config/i386/i386.c (memory_address_length)
7004 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7006 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7008 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7009 scalar operation to be put back into the loop.
7011 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7014 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7015 (extract_cie_info): Handle S flag in augmentation string.
7016 (execute_cfa_program): If context->signal_frame, execute also
7017 fs->pc == context->ra instructions.
7018 (uw_frame_state_for): If context->signal_frame, don't subtract one
7019 from context->ra to find FDE.
7020 (uw_update_context_1): Set context->signal_frame to
7022 (_Unwind_GetIPInfo): New function.
7023 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7024 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7026 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7027 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7028 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7029 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7030 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7031 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7032 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7033 x86_64_fallback_frame_state): Set fs->signal_frame.
7034 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7035 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7036 (frob_update_context): Likewise. Workaround missing S flag in
7037 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7038 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7039 Remove the psw_addr + 1 hack.
7041 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7043 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7044 with aggregates here.
7045 (find_func_aliases): Remove code for &<aggregate> from here.
7047 2006-02-26 Roger Sayle <roger@eyesopen.com>
7049 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7050 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7051 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7054 2006-02-26 Roger Sayle <roger@eyesopen.com>
7057 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7059 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7061 * opts.c (decode_options): Do not handle flag_strength_reduce.
7062 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7063 and OPT_fstrength_reduce.
7064 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7065 flag_prefetch_loop_arrays for being nonzero.
7066 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7068 (fprefetch-loop-arrays-rtl): Removed.
7069 (flag_prefetch_loop_arrays): Do not specify the value.
7071 * doc/passes.texi: Update documentation of loop optimizer
7073 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7074 -frerun-loop-opt): Remove.
7076 2006-02-26 Richard Guenther <rguenther@suse.de>
7078 PR tree-optimization/26421
7079 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7080 in function calls that are ADDR_EXPRs as using the whole structure.
7082 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7084 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7085 * tree-pass.h (pass_loop_optimize): Remove.
7086 * passes.c (pass_loop_optimize): Never run it.
7087 * toplev.c (backend_init): Don't call init_loop.
7088 * opts.c (flag_loop_optimize_set): Remove.
7089 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7090 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7091 the old RTL loop optimizer when profiling enabled.
7092 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7093 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7094 pre-headers for the sake of the old RTL loop optimizer.
7095 * Makefile.in: Remove all references to loop.o.
7097 * doc/invoke.texi: Remove all references to -floop-optimize
7098 and -frerun-loop-opt.
7100 2006-02-26 Zack Weinberg <zackw@panix.com>
7102 * doc/md.texi (Machine Constraints): Refer to all files with paths
7103 relative to gcc directory (i.e. config/CPU/file). Add missing
7104 @table @code ... @end table to M32C subsection.
7106 2006-02-26 Roger Sayle <roger@eyesopen.com>
7108 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7110 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7112 2006-02-26 Roger Sayle <roger@eyesopen.com>
7113 James A. Morrison <phython@gcc.gnu.org>
7116 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7117 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7118 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7119 signedness of the shift operation.
7121 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7123 PR tree-optimization/26359
7124 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7126 2006-02-25 Roger Sayle <roger@eyesopen.com>
7128 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7129 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7130 as X == 0, and some symmetry related transformations.
7131 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7133 2006-02-25 Roger Sayle <roger@eyesopen.com>
7136 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7137 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7138 symmetry related transformations. Fold (X^C1) == C2 as
7141 2006-02-25 Juergen Weigert <jw@suse.de>
7142 Richard Guenther <rguenther@suse.de>
7144 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7146 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7148 * combine.c (gen_lowpart_or_truncate): Call
7149 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7151 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7153 * doc/invoke.texi: Move -fopenmp description to "Options for
7155 Remove reference to -lgomp.
7157 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7159 * doc/install.texi: Require GNU tar version 1.14.
7161 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7163 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7164 * doc/invoke.texi (C++ Dialect Options): Document
7165 -fno-use-cxa-get-exception-ptr.
7166 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7167 * configure: Regenerate.
7168 * c.opt (fuse-cxa-get-exception-ptr): New.
7169 * c-opts.c (c_common_handle_option): Handle
7170 OPT_fuse_cxa_get_exception_ptr.
7171 * c-common.c (flag_use_cxa_atexit): Update documentation.
7172 (flag_use_cxa_get_exception_ptr): New.
7173 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7174 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7176 (C_COMMON_OVERRIDE_OPTIONS): New.
7178 2006-02-24 Roger Sayle <roger@eyesopen.com>
7181 * combine.c (try_combine): Explicitly check whether GET_CODE is
7182 a SET or a CLOBBER, instead on checking that it isn't a USE.
7184 2006-02-24 Roger Sayle <roger@eyesopen.com>
7186 * fold-const.c (fold_comparison): New subroutine of fold_binary
7187 containing transformations common to both the equality and
7188 ordering relational operators, factored out of fold_binary.
7189 (fold_binary): Separate out the equality operators (EQ_EXPR
7190 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7191 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7192 transformations common to both.
7193 (fold_div_compare): Fix latent bugs in the previously unreachable
7194 LT_EXPR and GE_EXPR cases.
7196 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7198 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7199 decl libname for clog to __clog on AIX.
7201 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7203 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7206 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7207 output traceback table for thunks. Localise rs6000_stack_info call.
7209 2006-02-23 Roger Sayle <roger@eyesopen.com>
7210 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7212 * gthr-posix.h (__gthrw): Fix typo in comment.
7214 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7216 * doc/cpp.texi (Character sets): Document that we do support
7217 input files to be in any character set.
7219 2006-02-23 Jeff Law <law@redhat.com>
7221 * tree.h (PHI_ARG_NONZERO): Remove.
7222 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7223 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7224 node to the new node.
7226 PR tree-optimization/26425
7227 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7228 min/max, then assume its varying.
7230 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7232 PR rtl-optimization/26316
7233 * rtlanal.c (enum may_trap_p_flags): New.
7234 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7235 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7236 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7237 (may_trap_after_code_motion_p): New function.
7238 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7239 (find_invariant_insn): Use may_trap_after_code_motion_p.
7240 * rtl.h (may_trap_after_code_motion_p): Declare.
7242 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7244 * emit-rtl.c (immed_double_const): Cleanup.
7246 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7248 Fix PR tree-optimization/26376
7249 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7252 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7255 * gimplify.c (omp_add_variable): Guard variable size decl test with
7256 DECL_SIZE (decl) check.
7258 2006-02-23 Richard Guenther <rguenther@suse.de>
7261 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7262 like aggregate types.
7264 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7266 * configure.ac: Add --with{,out}-long-double-128 configure option.
7267 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7268 * configure: Rebuilt.
7269 * config.in: Rebuilt.
7270 * doc/install.texi (Options specification): Document
7271 --with-long-double-128.
7273 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7274 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7275 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7276 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7278 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7280 * config/s390/s390.c (override_options): Handle
7281 TARGET_DEFAULT_LONG_DOUBLE_128.
7283 * config/alpha/alpha.c (override_options): Handle
7284 TARGET_DEFAULT_LONG_DOUBLE_128.
7286 * config/sparc/sparc.c (sparc_override_options): Handle
7287 TARGET_DEFAULT_LONG_DOUBLE_128.
7289 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7291 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7292 (real-install-headers-tar, real-install-headers-cpio)
7293 (real-install-headers-cp): New targets.
7295 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7297 * tree.h (variable_section): Delete.
7298 * varasm.c (variable_section): Delete.
7300 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7302 * install.texi: Add notes on install.texi2html.
7303 (Building in parallel): Do not use footnotes.
7305 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7308 * doc/install.texi (Configuration): Document --disable-libgomp.
7310 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7312 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7314 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7316 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7317 (vec_extractv2df_0_sse): New.
7319 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7321 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7322 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7323 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7324 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7325 to the result of the expression.
7326 (def_cfa_1): Adjust.
7327 (frame_pointer_cfa_offset): Rename to...
7328 (frame_pointer_fb_offset): ... this. Adjust all uses.
7329 (convert_cfa_to_loc_list): Rename to...
7330 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7331 Pass it on to build_cfa_loc.
7332 (compute_frame_pointer_to_cfa_displacement): Rename to...
7333 (compute_frame_pointer_to_fb_displacement): ... this. New
7334 offset parameter. Use it in computation.
7335 (gen_subprogram_die): Compute cfa_fb_offset with the new
7336 macro, and use it to compute the fb loc list and the
7339 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7341 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7342 replaced with register_operand.
7343 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7344 non-DREG is expensive.
7345 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7346 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7349 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7351 * doc/install.texi2html: Use set -e.
7353 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7355 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7356 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7357 * doc/invoke.texi (-fshared-data): Delete.
7358 * common.opt (fshared-data): Delete.
7359 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7360 (assemble_static_space): Remove #if 0 code.
7361 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7362 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7363 * config/cris/cris.h: Remove FIXME.
7365 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7367 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7370 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7373 * combine.c (simplify_shift_const_1): Disable nested shifts
7374 optimization for vector shifts.
7376 2006-02-20 Roger Sayle <roger@eyesopen.com>
7378 PR tree-optimization/26361
7379 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7380 of unsigned integer types.
7382 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7384 * tree-chrec.c (eq_evolutions_p): New.
7385 * tree-chrec.h (eq_evolutions_p): Declared.
7386 * tree-data-ref.c: Fix formatting.
7387 (datadep_stats, dependence_stats): New.
7389 (print_direction_vector): New.
7390 (dump_data_dependence_relation): Use print_direction_vector.
7391 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7392 (compute_subscript_distance): Static.
7393 (initialize_data_dependence_relation): Static. Get the number
7394 of loops surrounding the references from the callers, and initialize
7395 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7396 base_object_differ_p analyzers.
7397 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7398 compute_overlap_steps_for_affine_1_2,
7399 analyze_subscript_affine_affine): Count the classified dependences.
7400 Print a message when a test failed.
7401 (can_use_analyze_subscript_affine_affine): New.
7402 (analyze_siv_subscript): Compute the data dependences on symbolic
7403 scevs that verify can_use_analyze_subscript_affine_affine.
7404 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7405 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7406 Handle symbolic scevs.
7407 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7409 (subscript_dependence_tester): Moved...
7410 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7411 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7412 DDR_SIZE_VECT instead of getting it in parameter.
7413 (subscript_dependence_tester): ... here. Take as a parameter
7414 loop_nest_depth. Call build_classic_dist_vector and
7415 build_classic_dir_vector.
7416 (compute_affine_dependence): Update subscript_dependence_tester
7417 parameters. Update datadep_stats counters. Call
7418 compute_subscript_distance.
7419 (compute_self_dependence): Save the dist and dir vectors. Call
7420 compute_subscript_distance.
7421 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7422 (compute_all_dependences): Reorder parameters as they were before
7423 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7424 compute_subscript_distance. Update the use of
7425 compute_affine_dependence and initialize_data_dependence_relation.
7426 (find_data_references_in_loop): Handle COMPONENT_REF.
7427 (compute_data_dependences_for_loop): Initialize dependence_stats.
7428 Don't call build_classic_dist_vector and build_classic_dir_vector.
7429 Update the parameters of initialize_data_dependence_relation and
7430 compute_all_dependences. Print the statistics from datadep_stats.
7431 (analyze_all_data_dependences): Static. Not used until the pass for
7432 checking the data dependences is contributed.
7433 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7434 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7435 (initialize_data_dependence_relation, compute_affine_dependence,
7436 analyze_all_data_dependences, compute_subscript_distance): Removed.
7437 (print_direction_vector): New.
7438 * lambda.h (gcd): ... here.
7439 (lambda_vector_gcd): Moved here from gcd_vector.
7440 * lambda-code.c (gcd, gcd_vector): Removed.
7441 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7442 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7444 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7446 * ipa-type-escape.c: Tidy some comments and white space.
7447 * tree-ssa-operands.c: Likewise.
7449 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7452 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7453 (dump_decl_name): Do not walk the decl tree chains.
7454 * tree-pass.h (TDF_CHAIN): Remove.
7456 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7458 * Makefile.in (C): Remove
7460 (.PHONY): Remove C and PROTO
7462 2006-02-20 Roger Sayle <roger@eyesopen.com>
7465 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7466 deprecated CHAR_TYPE tree code.
7468 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7470 * configure.ac (target_list): Add install-info, dvi, html.
7471 * configure: Regenerate.
7473 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7474 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7475 treelang/Make-lang.in: Do not use double-colon rules.
7477 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7479 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7480 (TMT_USED_ALONE): New macro.
7481 * tree-pass.h (PROP_tmt_usage): New property.
7482 (TODO_update_tmt_usage): New todo.
7483 * tree-ssa-alias.c (updating_used_alone): New variable.
7484 (recalculate_used_alone): New function.
7485 (compute_may_aliases): Set updating_used_alone, call
7486 recalculate_used_alone.
7487 * tree-sra.c (pass_sra): Note that this pass destroys
7488 PROP_tmt_usage, and add TODO_update_tmt_usage.
7489 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7490 * tree-flow.h (updating_used_alone): Prototype.
7491 (recalculate_used_alone): Ditto.
7492 * passes.c (execute_todo): Add code to set updating_used_alone,
7493 and call recalculate.
7494 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7495 for clobber if used alone, and add assert to verify used_alone
7498 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7500 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7501 for non tls symbols added.
7502 (legitimize_address): Do nothing for PLUS expressions if one of the
7503 addends is a tls symbol reference.
7505 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7509 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7511 * Makefile.in (BOOTSTRAPPING): New.
7512 (quickstrap): New definition if BOOTSTRAPPING=yes.
7514 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7515 * configure.ac: Substitute all_selected_languages with the languages
7516 that were configured. For all the other variables except
7517 lang_specs_files, include all the languages in the tree.
7518 * configure: Regenerate.
7520 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7521 if there is one. Run the commands to run fixincludes in the same
7524 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7525 * doc/install.texi: Document exact conventions for searching target tools.
7526 Document --with-build-time-tools. Document toplevel bootstrap. Document
7527 something more about building an Ada cross-compiler. Don't list GNU Make
7528 requirements which affect all platforms.
7530 2006-02-19 Roger Sayle <roger@eyesopen.com>
7533 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7534 only equivalent if the have both the same mode and precision.
7536 2006-02-20 Ben Elliston <bje@au.ibm.com>
7538 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7540 2006-02-19 Roger Sayle <roger@eyesopen.com>
7541 Steven Bosscher <stevenb.gcc@gmail.com>
7543 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7544 constant pool references to identify stack mode constants.
7545 * rtlanal.c (constant_pool_constant_p): New predicate to check
7546 whether operand is a floating point constant in the pool.
7547 * rtl.h (constant_pool_constant_p): Prototype here.
7548 * loop.c (scan_loop): Avoid hoisting constants from the constant
7549 pool on STACK_REGS targets.
7550 (load_mems): Likewise.
7551 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7552 loads into x87 registers expensive in terms of register pressure.
7554 2006-02-19 Roger Sayle <roger@eyesopen.com>
7556 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7557 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7559 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7561 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7562 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7564 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7566 * doc/invoke.texi: Document -fipa-pta.
7567 * common.opt: Add ipa-pta option.
7568 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7569 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7570 (do_ds_constraint): Ditto.
7571 (get_constraint_for): Only add to referenced_vars if
7572 referenced_vars exists.
7573 (insert_into_field_list): Rewrite to do this unsorted.
7574 (insert_into_field_list_sorted): Rename old insert_into_field_list
7576 (create_function_info_for): Use insert_into_field_list_sorted.
7577 (create_variable_info_for): Rewrite so it uses unsorted version,
7578 since the field list is sorted.
7579 (intra_create_variable_infos): Only add to referenced_vars if
7580 referenced_vars exists.
7581 (ipa_pta_execute): Init heapvars, and delete when done.
7582 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7584 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7586 * doc/install.texi: Add missing `@samp'.
7588 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7590 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7593 2006-02-18 Mark Wielaard <mark@klomp.org>
7595 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7596 who added new 4.1 features, bug fixes and integration support.
7598 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7601 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7604 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7606 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7607 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7608 (copy_insn_1): Likewise. Don't copy each field individually.
7610 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7612 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7613 * rtl.c (rtx_size): Rename variable to...
7614 (rtx_code_size): ...this.
7615 (rtx_size): New function.
7616 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7617 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7619 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7620 * rtl.h (rtx_code_size): New variable.
7621 (rtx_size): Change from a variable to a function.
7622 (RTX_SIZE): Rename to...
7623 (RTX_CODE_SIZE): ...this.
7626 PR tree-optimization/17106
7627 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7628 (Anchored Addresses): New section.
7629 * doc/invoke.texi (-fsection-anchors): Document.
7630 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7631 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7632 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7633 * hooks.c (hook_bool_mode_rtx_false): New function.
7634 * hooks.h (hook_bool_mode_rtx_false): Declare.
7635 * gengtype.c (create_optional_field): New function.
7636 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7637 SYMBOL_REF_IN_BLOCK_P is true.
7638 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7639 (min_anchor_offset, max_anchor_offset): Likewise.
7640 (use_anchors_for_symbol_p): New hook.
7641 * toplev.c (compile_file): Call output_object_blocks.
7642 (target_supports_section_anchors_p): New function.
7643 (process_options): Check that -fsection-anchors is only used on
7644 targets that support it and when -funit-at-a-time is in effect.
7645 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7646 if the decl doesn't have one.
7647 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7648 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7649 of force_const_mem through use_anchored_address.
7650 (expand_expr_constant): New function.
7651 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7652 calling expand_expr for INDIRECT_REF.
7653 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7654 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7655 * expr.h (use_anchored_address): Declare.
7656 * loop-unroll.c: Don't declare rtx vectors here.
7657 * explow.c: Include output.h.
7658 (validize_mem): Call use_anchored_address.
7659 (use_anchored_address): New function.
7660 * common.opt (-fsection-anchors): New switch.
7661 * varasm.c (object_block_htab, anchor_labelno): New variables.
7662 (hash_section, object_block_entry_eq, object_block_entry_hash)
7663 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7664 (use_blocks_for_decl_p, change_symbol_section): New functions.
7665 (get_variable_section): New function, split out from assemble_variable.
7666 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7667 use_blocks_for_decl_p say so. Use change_symbol_section if the
7668 symbol has already been created.
7669 (assemble_variable_contents): New function, split out from...
7670 (assemble_variable): ...here. Don't output any code for
7671 block symbols; just pass them to place_block_symbol.
7672 Use get_variable_section and assemble_variable_contents.
7673 (get_constant_alignment, get_constant_section, get_constant_size): New
7674 functions, split from output_constant_def_contents.
7675 (build_constant_desc): Create a block symbol if use_object_blocks_p
7676 says so. Or into SYMBOL_REF_FLAGS.
7677 (assemble_constant_contents): New function, split from...
7678 (output_constant_def_contents): ...here. Don't output any code
7679 for block symbols; just pass them to place_section_symbol.
7680 Use get_constant_section and get_constant_alignment.
7681 (force_const_mem): Create a block symbol if use_object_blocks_p and
7682 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7683 (output_constant_pool_1): Add an explicit alignment argument.
7684 Don't switch sections here.
7685 (output_constant_pool): Adjust call to output_constant_pool_1.
7686 Switch sections here instead. Don't output anything for block symbols;
7687 just pass them to place_block_symbol.
7688 (init_varasm_once): Initialize object_block_htab.
7689 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7690 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7691 (place_block_symbol, get_section_anchor, output_object_block)
7692 (output_object_block_htab, output_object_blocks): New functions.
7693 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7694 (TARGET_ASM_OUT): Include it.
7695 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7696 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7697 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7698 (TARGET_INITIALIZER): Include them.
7699 * rtl.c (rtl_check_failed_block_symbol): New function.
7700 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7701 (block_symbol, object_block): New structures.
7702 (rtx_def): Add a block_symbol field to the union.
7703 (BLOCK_SYMBOL_CHECK): New macro.
7704 (rtl_check_failed_block_symbol): Declare.
7705 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7706 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7707 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7708 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7709 * output.h (output_section_symbols): Declare.
7710 (object_block): Name structure.
7711 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7712 (default_use_anchors_for_symbol_p): Declare.
7713 * Makefile.in (RTL_BASE_H): Add vec.h.
7714 (explow.o): Depend on output.h.
7715 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7716 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7717 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7718 (rs6000_use_blocks_for_constant_p): New function.
7720 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7722 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7724 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7727 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7730 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7732 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7736 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7739 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7740 instead of DECL_REGISTER.
7742 2006-02-18 Olivier Hainque <hainque@adacore.com>
7745 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7747 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7750 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7751 * opth-gen.awk: Handle Var and InverseMask together.
7752 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7753 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7754 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7755 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7757 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7758 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7759 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7760 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7761 LINUX_DYNAMIC_LINKER): Define.
7762 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7763 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7765 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7766 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7767 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7768 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7769 (TARGET_C99_FUNCTIONS): Don't define.
7770 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7771 GLIBC_DYNAMIC_LINKER.
7772 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7773 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7774 GLIBC_DYNAMIC_LINKER64): Define.
7775 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7776 LINUX_DYNAMIC_LINKER64.
7777 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7778 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7779 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7780 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7781 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7782 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7783 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7784 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7785 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7786 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7787 and LINUX_DYNAMIC_LINKER32.
7788 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7789 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7790 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7791 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7792 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7794 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7795 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7796 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7797 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7798 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7799 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7800 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7801 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7802 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7803 LINUX_DYNAMIC_LINKER): Define.
7804 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7805 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7806 GLIBC_DYNAMIC_LINKER64): Define.
7807 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7808 LINUX_DYNAMIC_LINKER64.
7809 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7810 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7811 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7812 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7813 LINUX_DYNAMIC_LINKER): Define.
7814 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7815 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7816 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7817 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7818 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7819 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7820 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7821 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7822 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7823 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7824 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7825 * doc/invoke.texi (-muclibc): Remove caveat about supported
7828 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7830 * doc/cpp.texi (__TIMESTAMP__): Document.
7832 2006-02-17 Roger Sayle <roger@eyesopen.com>
7835 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7836 C is one less than the width of X (and related transformations).
7837 * simplify-rtx.c (simplify_unary_operation_1): Transform
7838 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7839 depending on STORE_FLAG_VALUE, were C is one less then the
7842 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7844 Fix PR tree-optimization/26341
7845 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7846 about NAME_MEMORY_TAG's.
7848 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7851 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7852 with hardware float support, and software float support. Add fcpy
7853 alternative to hardware patterns. Add alternatives to copy between
7854 general and floating-point registers to the 32-bit pattern.
7855 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7856 secondary reload to load a QI or HI mode constant into a floating
7858 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7859 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7861 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7864 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7866 (load_macho_picbase_di): Likewise.
7868 2006-02-16 Jeff Law <law@redhat.com>
7870 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7871 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7872 (ssa_name_nonzero_p): Likewise.
7873 (get_value_range): Return NULL if VRP is not running.
7874 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7875 VRP routines do not discover a range.
7876 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7877 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7878 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7879 (tree_expr_nonnegative_p): Similarly.
7880 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7881 (restore_nonzero_vars_to_original_value): Remove.
7882 (unsafe_associative_fp_binop): Remove.
7883 (tree_ssa_dominator_optimize): Remove initialization and
7884 finalization of nonzero_vars and nonzero_vars_stack.
7885 (dom_opt_initialize_block): No longer push marker on
7887 (dom_opt_finalize_block): No longer call
7888 restore_nonzero_vars_to_original_value.
7889 (record_equivalences_from_phis): No longer look for
7890 nonzero PHI arguments.
7891 (cprop_into_successor_phis): No longer propagate nonzero
7892 property into PHI arguments. Lose unused argument. Caller
7894 (record_equivalences_from_stmt): No longer record nonzero
7895 values for SSA_NAMEs.
7896 (lookup_avail_expr): No longer use nonzero_vars.
7898 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7899 for sizetype when sizetype is unsigned.
7901 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7903 PR rtl-optimization/25603
7904 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7905 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7906 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7907 with new meaning of SETS.
7909 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7914 * config/linux.opt: New file.
7915 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7916 LINUX_DYNAMIC_LINKER): Define.
7917 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7918 * config.gcc (*-*-linux*): Define extra_options.
7919 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7920 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7921 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7922 GLIBC_DYNAMIC_LINKER.
7923 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7924 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7925 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7926 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7927 * doc/invoke.texi (GNU/Linux Options): New section.
7929 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7931 * config/sparc/sparc.md (setjmp): Rewrite.
7932 (setjmp_32): Delete.
7933 (setjmp_64): Likewise.
7935 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7937 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7940 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7942 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7945 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7947 PR rtl-optimization/26296
7948 * Makefile.in (loop-invariant.c): Add except.h dependency.
7949 * loop-invariant.c: Include except.h.
7950 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7952 2005-02-16 Paul Brook <paul@codesourcery.com>
7954 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7957 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7959 PR rtl-optimization/25636
7960 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7961 when deciding whether an insn is an initializing insn.
7963 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7965 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7966 (tree_code_size): Ditto.
7967 * tree.h (struct tree_memory_tag): Remove parent_var.
7968 (struct tree_struct_field_tag): New.
7971 (union tree_node): Add sft member.
7972 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7974 (create_sft): Add size and offset argument, set SFT_OFFSET and
7976 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7977 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7978 * tree-flow-inline.h (get_subvar_at): Update for
7979 SFT_OFFSET/SFT_SIZE.
7980 (var_can_have_subvars): Ditto.
7981 (overlap_subvar): Ditto.
7982 * print-tree.c (print_node): Print out interesting things for
7984 * tree-flow.h (struct subvar): Remove offset and size members.
7985 * tree-ssa-operands.c (get_expr_operands): Update for
7986 get_indirect_ref_operands changes.
7987 (get_indirect_ref_operands): Call add_virtual_operand instead of
7988 add_stmt_operand. Only recurse on base var if requested.
7989 (access_can_touch_variable): New function.
7990 (add_stmt_operand): Split virtual operand handling into ...
7991 (add_virtual_operand): Here. Add offset, size, and for_clobber
7992 arguments. Prune alias sets.
7993 (add_call_clobber_ops): Call add_virtual_operand.
7995 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7998 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8000 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8001 than TREE_CODE as index into omp_clause_num_ops array.
8003 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8005 PR rtl-optimization/26184
8006 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8008 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8009 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8010 must_precede, must_follow and tobe_scheduled.
8013 * opts.c (common_handle_option): Free new_option pointer.
8014 * df-core.c (df_analyze): Free postorder pointer.
8016 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8018 * Makefile.in: Fix the examples about the use of stamps
8020 2006-02-15 Michael Matz <matz@suse.de>
8024 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8025 influenced by maximum_field_alignment or DECL_PACKED.
8026 (update_alignment_for_field): Ditto.
8027 (place_field): Ditto.
8028 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8031 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8033 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8034 (debug_flow_info): Pass it.
8035 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8036 * bb-reorder.c (reorder_basic_blocks): Likewise.
8037 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8038 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8039 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8040 * gcse.c (gcse_main, bypass_jumps): Likewise.
8041 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8042 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8043 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8044 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8045 * rtl.h (dump_flow_info): Adjust prototype.
8046 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8047 * var-tracking.c (variable_tracking_main): Likewise.
8048 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8049 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8052 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8054 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8057 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8059 PR tree-optimization/26209
8060 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8061 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8063 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8065 2006-02-14 Roger Sayle <roger@eyesopen.com>
8068 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8069 (X,Y) and the corresponding symmetry related transformations.
8070 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8071 (X,Y) and its symmetry related transformations.
8073 2006-02-14 Roger Sayle <roger@eyesopen.com>
8075 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8078 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8080 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8082 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8085 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8086 support COMDAT group.
8087 * configure: Regenerate.
8089 2006-02-14 Roger Sayle <roger@eyesopen.com>
8094 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8096 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8098 Fix PR tree-optimization/26260
8100 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8102 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8103 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8104 * tree-ssa-structalias.c (create_variable_info_for): Use
8105 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8107 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8109 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8111 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8112 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8113 of the ending condition.
8114 * tree-ssa-loop-manip.c: Include params.h.
8115 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8116 tree_unroll_loop): New functions.
8117 * tree-pass.h (pass_loop_prefetch): Declare.
8118 * loop.c (rest_of_handle_loop_optimize): Test for
8119 -fprefetch-loop-arrays-rtl.
8120 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8121 * timevar.def (TV_TREE_PREFETCH): New timevar.
8122 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8123 pass_loop_prefetch): New.
8124 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8125 (cleanup_tree_cfg_loop): Call scev_reset.
8126 * common.opt (fprefetch-loop-arrays-rtl): Add.
8127 * tree-ssa-loop-prefetch.c: New file.
8128 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8129 (new_temp_expr_table): Initialize expr_vars.
8130 (free_temp_expr_table): Cleanup expr_vars.
8131 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8132 expressions from being merged into one.
8133 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8134 (struct tree_niter_desc): Add control, bound and cmp fields.
8135 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8137 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8138 (tree-cfgcleanup.o): Add SCEV_H dependency.
8139 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8140 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8142 2006-02-14 Richard Guenther <rguenther@suse.de>
8144 PR tree-optimization/26258
8145 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8146 in PHI argument processing.
8148 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8150 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8151 new expression in the requested machine mode.
8153 2006-02-13 Roger Sayle <roger@eyesopen.com>
8155 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8156 directly, instead let do_compare_rtx_and_jump handle this for us.
8157 * expr.c (expand_expr_real_1): Likewise.
8158 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8159 before do_jump_by_parts_greater.
8160 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8161 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8163 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8165 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8167 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8169 PR rtl-optimization/26235
8170 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8171 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8174 2006-02-13 Jeff Law <law@redhat.com>
8176 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8179 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8182 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8183 twice if decl is a builtin. When trying again, call get_callee_fndecl
8184 first to verify it is still a builtin.
8186 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8188 * dwarf2out.c (base_type_die): Don't add AT_name here.
8189 (subrange_type_die): Don't add AT_name here.
8190 (modified_type_die): Rearrange code flow. Do add AT_name here.
8192 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8194 PR rtl-optimization/26247
8195 PR rtl-optimization/26248
8196 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8198 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8200 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8201 * config/fixtfdi.c: Likewise.
8202 * config/fixunstfdi.c: Likewise.
8203 * config/floatditf.c: Likewise.
8205 2006-02-13 Roger Sayle <roger@eyesopen.com>
8208 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8209 into (X,C2) if C1 is a subset of the bits of C2. Transform
8210 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8212 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8214 2006-02-13 Josh Conner <jconner@apple.com>
8217 * varasm.c (function_section): Check for section name before
8218 calling select_section on targets that define
8219 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8220 unlikely_text_section instead of hot_function_section if
8221 first_function_block_is_cold.
8223 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8226 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8228 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8230 PR rtl-optimization/26222
8231 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8232 after tree->rtl expansion.
8233 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8234 before passing it to emit_move_insn.
8236 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8238 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8240 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8241 Clarify documentation.
8242 * c-common.h (warn_write_strings): Remove.
8243 * c-common.c (warn_write_strings): Likewise.
8244 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8247 2006-02-12 Roger Sayle <roger@eyesopen.com>
8250 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8251 (do_jump_parts_zero_rtx): New function renamed from
8252 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8253 (do_jump_parts_equality_rtx): New function split out from
8254 do_jump_parts_equality. Old implementation renamed as above.
8255 Call do_jump_parts_zero_rtx if either operand is zero.
8256 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8257 do all of the heavy lifting.
8258 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8259 calling either do_jump_by_parts_greater_rtx or
8260 do_jump_by_parts_equality_rtx.
8261 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8262 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8263 moved to do_compare_rtx_and_jump, call it directly.
8264 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8265 mode argument. Call do_compare_rtx_and_jump.
8266 (emit_case_nodes): Update calls to do_jump_if_equal.
8268 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8270 PR rtl-optimization/26225
8271 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8273 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8275 PR rtl-optimization/26232
8276 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8278 2006-02-11 Jason Merrill <jason@redhat.com>
8281 * tree-inline.c (declare_return_variable): Just don't use the
8282 modify target if it's a gimple complex reg and the return slot
8285 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8287 * doc/contrib.texi: Update my entry.
8289 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8291 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8293 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8295 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8298 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8300 * doc/invoke.texi (-floop-optimize2): Removed.
8301 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8302 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8303 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8304 * common.opt (floop-optimize2): Removed.
8305 (fmove-loop-invariants): Enabled by default.
8307 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8309 * tree-if-conv.c (combine_blocks): Free the result of
8310 get_loop_exit_edges.
8312 2006-02-10 Jeff Law <law@redhat.com>
8314 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8316 PR tree-optimization/26213
8317 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8318 loop trying to follow SSA_NAME_VALUE chains.
8320 2006-02-10 Richard Guenther <rguenther@suse.de>
8322 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8323 deal with structures that end in implicitly variable sized arrays.
8325 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8327 PR rtl-optimization/24762
8328 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8331 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8333 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8334 (struct ivopts_data): Add regs_used field.
8335 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8336 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8337 instead of loop_data->regs_used;
8338 (free_loop_data): Do not free aux fields for loops.
8339 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8340 and tree_ssa_iv_optimize_finalize.
8342 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8344 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8346 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8349 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8350 computing the effective result type.
8352 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8355 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8356 (tree_overlaps_hard_reg_set): Declare.
8357 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8358 type and signature to match function type expected by walk_tree.
8359 (tree_overlaps_hard_reg_set): New function.
8360 (decl_conflicts_with_clobbers_p): Rename to:
8361 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8362 Use tree_overlaps_hard_reg_set. Changed caller.
8363 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8364 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8365 * cris.c (cris_md_asm_clobbers): Likewise.
8367 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8369 * reload1.c (emit_input_reload_insns): Delete code that tries to
8370 inherit using find_equiv_reg.
8372 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8374 * c-common.h (flag_const_strings): Don't declare.
8375 * c-common.c (flag_const_strings): Remove.
8376 * c.opt (fconst_strings): Remove.
8377 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8378 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8379 (c_common_init_options): Don't set flag_const_strings.
8380 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8382 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8384 * arm.md (tlobits_cbranch): New pattern.
8385 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8386 testing a single bit.
8388 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8391 * tree-ssa-pre.c (create_component_ref_by_pieces):
8392 Handle RETURN_DECL like VAR_DECL.
8394 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8397 * fold-const.c (fold_indirect_ref_1): Fold
8398 "*(foo *)&complexfoo" to "__real__ complexfoo"
8399 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8401 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8403 * tree-flow-inline.h (var_can_have_subvars):
8404 Volatile variables should not have subvariables.
8406 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8409 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8410 multiplying unsigned values.
8413 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8415 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8417 2006-02-08 Jason Merrill <jason@redhat.com>
8420 * tree.def: Elaborate on difference from MODIFY_EXPR.
8421 * doc/c-tree.texi (INIT_EXPR): Likewise.
8422 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8423 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8424 (gimplify_target_expr): Likewise.
8425 (gimplify_cond_expr): Remove target handling.
8426 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8427 (gimplify_expr): Clobber it here.
8428 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8429 Do return slot optimization if we have an INIT_EXPR.
8432 * tree-inline.c (declare_return_variable): Also clear
8433 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8436 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8439 * gimplify.c (gimplify_one_sizepos): Fix typo.
8441 2006-02-08 Jeff Law <law@redhat.com>
8443 PR tree-optimization/21417
8444 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8445 across a backedge if the control statement at the end of the
8446 block is data dependent on other statements in the same block.
8447 (record_temporary_equivalences_from_stmts): Remove over-conservative
8448 test for threading across backedges.
8450 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8451 control statement, handle all three special cases in the same
8452 manner as they all have the same desired solution. No longer
8453 special case edge flag updating when the post dominator is
8456 2006-02-08 Roger Sayle <roger@eyesopen.com>
8458 * tree.def (CHAR_TYPE): Remove.
8459 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8460 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8461 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8462 (gen_string_type_die): Delete unreachable function.
8464 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8465 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8466 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8467 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8468 * builtins.c (type_to_class): Likewise.
8469 * fold-const.c (fold_convert, build_range_check,
8470 merge_ranges): Likewise.
8471 * expr.c (count_type_elements): Likewise.
8472 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8473 * stor-layout.c (layout_type): Likewise.
8474 * ipa-type-escape.c (type_to_consider): Likewise.
8475 * gimplify.c (omp_firstprivatize_type_sizes,
8476 gimplify_type_sizes): Likewise.
8477 * explow.c (promote_mode): Likewise.
8478 * tree-sra.c (is_sra_scalar_type): Likewise.
8479 * varasm.c (output_constant): Likewise.
8480 * tree-inline.c (remap_type_1): Likewise.
8481 * convert.c (convert_to_pointer, convert_to_real,
8482 convert_to_integer, convert_to_complex): Likewise.
8484 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8486 * df-scan.c (df_def_record_1): A set destination may
8487 be a parallel regardless of mode.
8489 2006-02-08 Roger Sayle <roger@eyesopen.com>
8492 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8493 * config/mips/_tilib.c: Remove.
8494 * config/fixtfdi.c: New libgcc source file.
8495 * config/fixunstfdi.c: New source file.
8496 * config/floatditf.c: New source file.
8497 * config/floatunditf.c: New souce file.
8498 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8499 files above instead of config/mips/_tilib.c.
8500 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8502 2006-02-08 Jeff Law <law@redhat.com>
8504 PR tree-optimization/26169
8505 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8508 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8510 * df.h (DF_REG_SIZE): Return the length of the initialized
8513 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8515 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8516 __muldf3): Return a correctly signed zero.
8518 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8520 * passes.c (register_one_dump_file): Accept the current properties
8521 instead of pass number. Adjust call to dump_register. Remove
8523 (register_dump_files): Now a wrapper around...
8524 (register_dump_files_1): ... this one. Do not modify the pass
8526 (next_pass_1): Cosmetic fix.
8527 (execute_todo): Keep second parameter only. Use curr_properties
8528 instead of fetching it from the pass structure. Check and set
8530 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8531 instead of fetching it from the pass structure. Fix calls to
8532 execute_todo. Update curr_properties and initialize .vcg RTL dump
8533 after running the pass. Reset last_verified.
8534 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8536 (FIRST_AUTO_NUMBERED_DUMP): New.
8537 (dump_register): Remove "num" parameter, assign it within the
8539 (get_dump_file_name): Modify template for dumps.
8540 * tree-dump.h (dump_register): Adjust prototype.
8541 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8542 (PROP_trees): Add PROP_gimple_lomp.
8543 (TODO_set_props): New.
8544 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8545 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8546 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8548 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8550 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8551 (sparc64-*-linux*): Likewise.
8552 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8553 * config/sparc/t-linux: New file.
8554 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8555 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8556 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8557 -m32 -mlong-double-128.
8559 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8560 * config/alpha/t-linux: New file.
8561 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8563 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8564 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8565 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8566 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8567 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8568 (CPP_ARCH32_SPEC): Remove.
8570 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8572 PR tree-optimization/26145
8573 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8576 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8579 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8580 >= 240000 when generating code for SOM runtime.
8581 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8582 to $$dyncall when generating code for SOM runtime..
8584 2006-02-07 Dirk Mueller <dmueller@suse.com>
8587 * doc/invoke.texi (-Wsequence-point): Update documentation
8588 that -Wsequence-point is implemented for C++ as well.
8590 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8592 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8593 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8594 (LIB_SPEC): Likewise.
8595 * doc/invoke.texi (SPARC options): Document -pthread.
8597 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8599 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8602 2006-02-07 Roger Sayle <roger@eyesopen.com>
8604 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8605 Correct comment describing BOOLEAN_TYPE.
8607 2006-02-07 Dirk Mueller <dmueller@suse.com>
8609 * c.opt: C++ frontend supports -Wdiv-by-zero.
8610 * c-opts.c (c_common_handle_option): Remove dead case.
8612 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8614 * configure.ac (TLS assembler check): Do not enable TLS by
8615 default on SPARC/Solaris before version 10.
8616 * configure: Regenerate.
8618 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8620 * doc/invoke.texi (xl-compat): Document conversion and support
8623 2006-02-07 Jeff Law <law@redhat.com>
8625 * tree-vrp.c (find_conditional_asserts): Update comments.
8626 (simplify_stmt_for_jump_threading): New.
8627 (identify_jump_threads, finalize_jump_threads): New.
8628 (vrp_finalize): Call identify_jump_threads.
8629 (execute_vrp): Call finalize_jump_threads.
8630 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8631 (vrp_element, vrp_data, vrp_element_p): Remove.
8632 (vrp_hash_elt, vrp_variables_stack): Remove.
8633 (vrp_hash, vrp_eq, record_range): Remove.
8634 (simplify_cond_and_lookup_avail_expr): Remove.
8635 (extract_range_from_cond): Remove.
8636 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8637 (simplify_stmt_for_jump_threading): New.
8638 (dom_thread_across_edge): New wrapper.
8639 (tree_ssa_dominator_optimize): No longer initialize or
8640 finalize any of the VRP datastructures. Remove iteration
8641 step and simplify as a result of removal of iteration step.
8642 (pass_dominator): Perform a cfg cleanup after DOM.
8643 (dom_opt_finalize_block): Use the new common routines
8644 for threading jumps. Simplify stack management slightly.
8645 No longer need to unwind VRP state.
8646 (record_equivalences_from_incoming_edge): No longer record
8648 (eliminate_redundant_computations): No longer call
8649 simplify_cond_and_lookup_avail_expr.
8650 * tree-flow.h (potentially_threadable_block): Prototype.
8651 (thread_across_edge): Likewise.
8652 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8653 (tree-ssa-threadedge.o): Add dependencies.
8654 * tree-ssa-threadedge.c: New file.
8655 * passes.c (init_optimization_passes): Merge PHIs before
8656 calling VRP. Run VRP again late in the SSA optimization pipeline.
8658 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8660 * df-core.c (df_set_blocks): Do not dereference function pointers.
8661 (df_finish1): Likewise.
8662 (df_hybrid_search_forward): Likewise.
8663 (df_hybrid_search_backward): Likewise.
8664 (df_iterative_dataflow): Likewise.
8665 (df_analyze_problem): Likewise.
8666 (df_compact_blocks): Likewise.
8667 (df_dump): Likewise.
8668 * df-scan.c (df_rescan_blocks): Likewise.
8669 (df_record_entry_block_defs): Likewise.
8671 * genconditions.c (write_conditions): Guard the definition of
8672 'insn_conditions' with the check on GCC version.
8673 (write_writer): Guard the traversal 'insn_conditions' with
8674 the check on GCC version.
8676 2006-02-07 Richard Guenther <rguenther@suse.de>
8680 2006-01-30 Richard Guenther <rguenther@suse.de>
8682 * gimplify.c (gimplify_target_expr): Handle easy cases
8683 without creating a temporary.
8685 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8687 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8688 use of float in probability computations. Use edge probabilities
8689 in place of statically computed probabilities.
8690 (min_spec_prob): New static variable.
8691 (schedule_insns): Initialize it.
8692 (GET_SRC_PROB): Removed.
8693 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8695 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8698 * config/ia64/unwind-ia64.c: Revert last change.
8699 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8700 (INCOMING_FRAME_SP_OFFSET): Define.
8702 2006-02-06 Roger Sayle <roger@eyesopen.com>
8704 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8706 2006-02-07 Ben Elliston <bje@au.ibm.com>
8708 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8709 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8710 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8711 (ix86_return_in_memory): Handle TDmode.
8712 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8713 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8715 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8717 * reorg.c (dbr_schedule): Use dump_file instead of file.
8719 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8722 * config/ia64/predicates.md (extr_len_operand): New predicate.
8723 * config/ia64/ia64.md (extv): Tighten constraints.
8725 (*tbit_and_2): Ditto.
8726 (*tbit_and_3): Ditto.
8727 (*tbit_or_2): Ditto.
8728 (*tbit_or_3): Ditto.
8732 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8735 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8737 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8739 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8740 loop_optimizer_init and loop_optimizer_finalize
8741 * tree-ssa-sink.c (execute_sink_code): Ditto.
8742 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8743 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8744 tree_ssa_loop_done): Ditto.
8745 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8746 * sched-ebb.c: Include output.h.
8747 (schedule_ebbs): Do not use dump argument.
8748 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8749 * loop.c (loop_dump_stream): Removed.
8750 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8752 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8753 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8754 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8755 loop_iterations, strength_reduce, record_biv, record_giv,
8756 final_giv_value, check_final_value, check_ext_dependent_givs,
8757 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8758 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8759 dump_file instead of loop_dump_stream.
8760 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8762 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8764 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8765 * haifa-sched.c: Include output.h
8766 (schedule_insns, sched_init): Do not use dump argument.
8767 * mode-switching.c (optimize_mode_switching): Ditto.
8768 * modulo-sched.c (stats_file): Removed.
8769 (print_node_sched_params): Do not call argument dump_file.
8770 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8771 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8773 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8775 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8776 rtl_loop_init, rtl_loop_done): Ditto.
8777 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8778 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8780 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8781 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8782 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8783 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8784 * emit-rtl.c (renumber_insns): Ditto.
8785 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8786 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8787 * regclass.c (regclass): Ditto.
8788 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8789 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8790 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8791 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8793 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8794 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8796 * gcse.c (gcse_file, debug_stderr): Removed.
8797 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8798 rest_of_handle_gcse): Do not use dump argument.
8799 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8800 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8801 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8802 compute_code_hoist_vbeinout, compute_code_hoist_data,
8803 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8804 compute_store_table, build_store_vectors, insert_insn_start_bb,
8805 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8806 store_motion): Use dump_file instead of gcse_file.
8807 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8808 * profile.c (profile_dump_file): Removed.
8809 (branch_prob): Use dump_file instead of profile_dump_file.
8810 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8812 * tree-ssa-copy.c (dump_copy_of): Ditto.
8813 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8814 dump file to life_analysis.
8815 * bt-load.c (branch_target_load_optimize): Ditto.
8816 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8818 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8819 regclass, dbr_schedule): Declaration changed.
8820 * sched-int.h (sched_init): Declaration changed.
8821 * tree-profile.c (tree_profile_dump_file): Removed.
8822 (tree_profile_hooks): Removed profile_dump_file hook.
8823 * rtl-profile (rtl_profile_dump_file): Removed.
8824 (rtl_profile_hooks): emoved profile_dump_file hook.
8825 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8827 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8828 * tree-cfg.c (build_tree_cfg): Ditto.
8829 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8830 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8831 Declaration changed.
8832 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8833 life_analysis and schedule_insns.
8834 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8836 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8838 * config/mips/mips.c (mips_reorg): Ditto.
8839 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8842 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8844 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8845 (s390_mangle_fundamental_type): New.
8846 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8849 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8850 (alpha_mangle_fundamental_type): New.
8851 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8854 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8856 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8858 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8859 (sparc_mangle_fundamental_type): New.
8861 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8863 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8864 (s390x-*-linux*): Likewise.
8865 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8866 * config/s390/t-linux: New file.
8868 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8870 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8871 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8873 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8875 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8876 (ANTIC_SAFE_LOADS): New macro.
8877 (find_or_generate_expression): Add prototype.
8878 (set_contains_value): Allow null set for sake of not always having
8879 to allocate ANTIC_SAFE_LOADS.
8880 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8881 Allow COMPONENT_REF too.
8882 (valid_in_set): Allow COMPONENT_REF.
8883 Check ANTIC_SAFE_LOADS too.
8884 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8885 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8887 (can_PRE_operation): Add COMPONENT_REF.
8888 (create_component_ref_by_pieces): New function.
8889 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8890 (insert_aux): Move AGGREGATE_TYPE_P check here.
8891 (compute_avail): Set bb local stmt uids.
8892 (pass_pre): Use TODO_update_ssa_only_virtuals.
8894 2006-02-06 Ben Elliston <bje@au.ibm.com>
8896 * configure.ac: Unconditionally disable decimal float by default.
8897 * configure: Regenerate.
8899 2006-02-06 Ben Elliston <bje@au.ibm.com>
8901 * read-rtl.c (read_name): Terminate reading on EOF.
8903 2006-02-06 Ben Elliston <bje@au.ibm.com>
8905 * dfp.c (decimal_real_arithmetic): Change second argument type
8906 from int to enum tree_code. Do not always return true, but now
8907 return result of any call to decimal_do helper functions.
8908 * dfp.h (decimal_real_arithmetic): Update prototype.
8910 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8912 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8914 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8917 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8920 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8922 * tree-vrp.c (cfg_loops): Removed.
8923 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8924 Use current_loops instead of cfg_loops. Pass flags to
8925 loop_optimizer_init.
8926 * cfgloopmanip.c (fix_loop_structure): Update only available
8928 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8929 loop_optimizer_init.
8930 * modulo-sched.c (build_loops_structure): Removed.
8931 (sms_schedule): Use loop_optimizer_init.
8932 * loop-init.c (loop_optimizer_init): Use flags to determine
8933 which properties of loops to prepare.
8934 (rtl_loop_init): Pass flags to loop_optimizer_init.
8935 * tree-ssa-sink.c (execute_sink_code): Ditto.
8936 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8937 * tree-ssa-pre.c (init_pre): Ditto.
8938 * cfgloop.h (LOOPS_NORMAL): New.
8939 (loop_optimizer_init): Declaration changed.
8941 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8943 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8944 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8946 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8948 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8950 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8951 * pa/t-pa64: Delete quadlib.c rule.
8952 * pa/x-ada: Revert last change.
8953 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8955 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8957 PR rtl-optimization/26087
8958 * rtlanal.c (canonicalize_condition): Do not cross basic block
8961 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8964 * config/ia64/ia64.c: Include debug.h.
8965 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8966 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8967 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8968 (process_epilogue, process_set, process_for_unwind_directive):
8969 Output unwind info only if requested. Add CFA info if requested.
8970 Add new arguments as needed. Adjust callers.
8971 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8973 (DWARF2_FRAME_INFO): Define to zero.
8974 * config/ia64/unwind-ia64.c: Remove code that compensated for
8975 the CFA offset error fixed above.
8976 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8977 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8978 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8979 -funwind-tables and -fexceptions to enable frame info.
8980 (dwarf2out_frame_init): Define initial CFA even if
8981 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8982 DWARF2_UNWIND_INFO is nonzero, not just defined.
8983 (dwarf2out_frame_finish): Output non-EH call frame info only
8984 if DWARF2_FRAME_INFO is nonzero.
8985 (convert_cfa_to_loc_list,
8986 compute_frame_pointer_to_cfa_displacement): Define even if
8987 unwind info is not supported.
8988 (gen_subprogram_die): Use the above unconditionally. Remove
8989 legacy alternate code.
8990 * toplev.c (compile_file): Compile in call to
8991 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8992 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8994 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8995 Jakub Jelinek <jakub@redhat.com>
8997 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8998 IBM extended float format long double as "g" on powerpc*-linux.
9000 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9003 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9004 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9006 2006-02-03 Jason Merrill <jason@redhat.com>
9009 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9012 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9013 on the return slot if it's an NRV.
9015 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9017 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9018 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9019 rewrite_use): Do not handle USE_OUTER.
9020 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9021 add_iv_outer_candidates, may_replace_final_value,
9022 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9023 (find_interesting_uses_op): Functionality of
9024 find_interesting_uses_outer_or_nonlin moved here.
9025 (find_interesting_uses_outside): Use find_interesting_uses_op.
9027 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9030 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9032 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9033 Ulrich Weigand <uweigand@de.ibm.com>
9036 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9037 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9038 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9039 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9041 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9042 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9043 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9044 Define secondary reloads for TFmode moves.
9045 (constant_modes): Add TFmode.
9046 (NR_C_MODES): Set to 8.
9047 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9049 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9050 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9051 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9052 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9053 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9054 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9055 (FPR mode macro): Add TFmode.
9056 (DSF mode macro): New.
9057 (<de>, <dee> mode attributes): Removed.
9058 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9059 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9060 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9061 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9062 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9063 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9064 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9065 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9066 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9067 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9068 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9069 "*negabs<mode>2", "sqrt<mode>2"):
9070 Changed <de> to <xde>. R constraint replaced by <Rf>.
9071 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9073 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9074 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9075 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9077 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9078 "extenddftf2", "extendsftf2"): New expanders.
9079 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9080 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9081 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9082 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9084 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9085 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9086 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9087 __floatditf): Add a GCC_4.1.0 symbol version tag.
9088 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9091 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9094 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9095 Use targetm.binds_local_p instead of TREE_PUBLIC.
9097 2006-02-02 Roger Sayle <roger@eyesopen.com>
9099 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9100 on INTEGER_TYPEs to indicate that it denotes a character type.
9101 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9102 signed_char_type_node, unsigned_char_type_node and char_type_node.
9103 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9104 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9105 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9107 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9108 Daniel Berlin <dberlin@dberlin.org>
9110 * tree-tailcall.c (arg_needs_copy_p): New function.
9111 (eliminate_tail_call): Use arg_needs_copy_p.
9112 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9113 (add_virtual_phis): New function.
9115 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9117 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9118 #ignore instead of #scratch for %g7 .register directive.
9120 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9122 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9125 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9127 * flow.c (calculate_global_regs_live): Assert that there aren't any
9130 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9132 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9134 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9135 bsi_after_labels iterator.
9136 * tree-if-conv.c (find_phi_replacement_condition,
9137 replace_phi_with_cond_modify_expr): Likewise.
9138 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9139 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9141 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9143 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9145 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9148 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9149 array after growing it.
9151 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9154 * fold-const.c (fold_checksum_tree): Change type of buf.
9156 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9158 * reload.c (push_secondary_reload): Initialize t_icode.
9160 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9162 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9163 -msoft-float -mlong-double-128 only issue a warning, but don't
9164 swich to DFmode long double.
9166 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9168 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9169 has a constant equivalent, iterate over equivalents for arg0,
9170 calling simplify_relational_operation and if there's a result
9171 cheaper than X, apply fold_rtx and return the result.
9173 2006-02-01 Jan Hubicka <jh@suse.cz>
9175 * opts.c (no_unit_at_a_time_default): New global variable.
9176 (decode_options): Use it.
9177 * opts.h (no_unit_at_a_time_default): Declare.
9179 2006-02-01 Paul Brook <paul@codesourcery.com>
9181 * function.c (assign_parm_setup_reg): Use function argument promotion
9183 * expr.c (expand_expr_real_1): Use function argument promotion rules
9186 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9188 * gcc.c (process_command): Change j to 'unsigned int'.
9190 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9193 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9194 Use the corrected index for the character
9195 out of the string constant.
9197 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9199 * mode-switching.c (optimize_mode_switching): Fix size
9200 allocated for bb_info[n_entities].
9202 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9204 * gcc.c (main): Correct type that is allocated for
9205 explicit_link_files.
9207 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9209 * config/s390/s390.c (init_alignment_context): Set
9210 ALIAS_SET_MEMORY_BARRIER on the MEM.
9211 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9213 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9216 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9218 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9221 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9223 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9224 * regrename.c: Ditto.
9225 * tree-ssa-loop-im.c: Ditto.
9226 * tree-dump.c: Ditto.
9227 * tree-complex.c: Ditto.
9228 * genrecog.c: Ditto.
9229 * tree-ssa-threadupdate.c: Ditto.
9231 * java/class.c: Ditto.
9232 * java/jcf-parse.c: Ditto.
9233 * java/resource.c: Ditto.
9234 * java/except.c: Ditto.
9235 * java/jvspec.c: Ditto.
9236 * java/jcf-write.c: Ditto.
9237 * java/jcf-path.c: Ditto.
9238 * java/gjavah.c: Ditto.
9239 * java/zextract.c: Ditto.
9240 * java/jcf-io.c: Ditto.
9241 * java/jcf.h: Ditto.
9242 * java/buffer.c: Ditto.
9243 * java/lang.c: Ditto.
9244 * java/parse-scan.y: Ditto.
9245 * java/lex.c: Ditto.
9246 * java/lex.h: Ditto.
9247 * cfgloopmanip.c: Ditto.
9248 * postreload-gcse.c: Ditto.
9249 * tree-ssa-loop-manip.c: Ditto.
9250 * postreload.c: Ditto.
9251 * tree-ssa-loop-ch.c: Ditto.
9255 * diagnostic.c: Ditto.
9257 * genoutput.c: Ditto.
9259 * cfghooks.c: Ditto.
9260 * cfgloopanal.c: Ditto.
9261 * objc/objc-act.c: Ditto.
9263 * genextract.c: Ditto.
9264 * genautomata.c: Ditto.
9265 * pretty-print.c: Ditto.
9267 * cgraphunit.c: Ditto.
9270 * haifa-sched.c: Ditto.
9271 * dominance.c: Ditto.
9273 * tree-ssa-loop-ivopts.c: Ditto.
9275 * mode-switching.c: Ditto.
9276 * modulo-sched.c: Ditto.
9278 * ipa-pure-const.c: Ditto.
9280 * fix-header.c: Ditto.
9282 * tree-stdarg.c: Ditto.
9283 * ipa-utils.c: Ditto.
9284 * loop-init.c: Ditto.
9285 * ipa-inline.c: Ditto.
9288 * alloc-pool.c: Ditto.
9289 * dwarf2out.c: Ditto.
9291 * genattrtab.c: Ditto.
9292 * tree-ssa-loop-ivcanon.c: Ditto.
9296 * fortran/gfortranspec.c: Ditto.
9298 * local-alloc.c: Ditto.
9299 * langhooks.c: Ditto.
9300 * function.c: Ditto.
9301 * tree-vectorizer.c: Ditto.
9303 * ipa-type-escape.c: Ditto.
9305 * tree-if-conv.c: Ditto.
9308 * tree-data-ref.c: Ditto.
9309 * loop-unroll.c: Ditto.
9310 * treelang/treetree.c: Ditto.
9313 * ggc-common.c: Ditto.
9315 * coverage.c: Ditto.
9317 * tree-cfgcleanup.c: Ditto.
9318 * tree-ssa-pre.c: Ditto.
9319 * cfgcleanup.c: Ditto.
9320 * loop-invariant.c: Ditto.
9322 * ipa-prop.c: Ditto.
9323 * print-tree.c: Ditto.
9324 * conflict.c: Ditto.
9325 * ggc-page.c: Ditto.
9326 * sched-deps.c: Ditto.
9327 * regclass.c: Ditto.
9328 * tree-object-size.c: Ditto.
9330 * bb-reorder.c: Ditto.
9331 * resource.c: Ditto.
9332 * var-tracking.c: Ditto.
9334 * df-problems.c: Ditto.
9335 * reg-stack.c: Ditto.
9338 * sched-rgn.c: Ditto.
9339 * tree-ssa-structalias.c: Ditto.
9340 * tree-ssa-reassoc.c: Ditto.
9341 * config/darwin-c.c: Ditto.
9342 * config/darwin.c: Ditto.
9343 * config/arm/arm.c: Ditto.
9345 * collect2.c: Ditto.
9348 2006-01-31 Nicolas Pitre <nico@cam.org>
9350 * arm.md (smaxsi3): Make aware of smax_m1.
9353 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9355 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9357 2006-01-31 Richard Guenther <rguenther@suse.de>
9359 * doc/invoke.texi (-msselibm): Document.
9360 * target.h (expand_library_builtin): New target hook.
9361 * builtins.c (expand_builtin): Use expand_library_builtin.
9362 (default_expand_library_builtin): New function.
9363 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9364 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9365 (link_gcc_math_spec): Declare.
9366 (static_specs): Add link_gcc_math_spec.
9367 * expr.h (default_expand_library_builtin): Declare.
9368 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9369 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9370 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9371 * config/i386/i386.opt (msselibm): New target option.
9372 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9373 (ix86_init_sse_abi_builtins): New function.
9374 (ix86_expand_library_builtin): Likewise.
9375 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9376 (override_options): Handle error conditions wrt -msselibm.
9377 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9378 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9379 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9382 2006-01-31 Richard Guenther <rguenther@suse.de>
9383 Paolo Bonzini <bonzini@gnu.org>
9385 * doc/install.texi (--disable-libgcc-math): Document.
9387 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9389 * expr.h (expand_normal): new inline function.
9390 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9392 * dwarf2out.c: use it.
9397 * config/sparc/sparc.c: use it.
9398 * config/i386/i386.c: use it.
9399 * config/rs6000/rs6000.c: use it.
9400 * config/arm/arm.c: use it.
9401 * config/mips/mips.c: use it.
9402 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9404 2006-01-30 Roger Sayle <roger@eyesopen.com>
9406 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9407 argv to the appropriate type.
9409 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9411 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9414 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9417 * config/s390/s390.c (struct machine_function): New flag
9418 decomposed_literal_pool_addresses_ok_p.
9419 (s390_reorg): Set it before final stage of literal pool transforms.
9420 (s390_decompose_address): Only accept displacements of the form
9421 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9423 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9425 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9426 the comparison routine return.
9428 2006-01-30 Michael Matz <matz@suse.de>
9430 * global.c (find_reg): Only evict for global regs.
9431 Take n_refs into account and dump more info.
9433 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9436 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9437 (pragma_trap, pragma_nosave_low_regs): Likewise.
9438 (current_function_anonymous_args): Likewise.
9439 (sh_deferred_function_attributes): New variable.
9440 (sh_deferred_function_attributes_tail): Likewise.
9441 (print_operand): For '@', look up trap_exit attribute.
9442 (calc_live_regs): Look up trapa_handler attribute. For trapa
9443 handlers, save/restore fpscr, but don't do any other
9444 interrupt-specific saves.
9445 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9446 Fix check for partially saved registers to check for SHmedia.
9447 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9448 (sh_output_function_epilogue): Don't clear any of the removed
9450 (sh_insert_attributes): Don't check pragma_interrupt.
9451 Insert deferred attributes. Check that interrupt attribute is
9452 present for other attributes that require its presence.
9453 (sh_attribute_table): Add new attributes trapa_handler and
9455 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9456 Don't check for pragma_interrupt. Don't store argument.
9457 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9458 (sh_deferred_function_attributes): Declare.
9459 (sh_deferred_function_attributes_tail): Likewise.
9460 * sh.md (sp_switch_1): Add operand. Change generator caller.
9461 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9462 (*return_i): Don't use when trap_exit attribute is in effect.
9463 (*return_trapa): New insn pattern.
9465 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9466 setting c_target_objs and cxx_target_objs.
9467 * t-sh: Add rule for sh-c.o.
9469 2006-01-30 Richard Guenther <rguenther@suse.de>
9472 * gimplify.c (gimplify_target_expr): Handle easy cases
9473 without creating a temporary.
9475 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9477 * vec.h (safe_grow): Remove duplicated line.
9479 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9482 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9483 (expand_omp): ... here.
9484 (expand_omp_parallel): Only remove barriers for combined
9485 parallel+workshare constructs.
9487 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9491 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9492 * tree.c (build_qualified_type): Chain the new type to the original
9493 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9494 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9495 (build_pointer_type_for_mode): Only return unqualified types.
9496 (build_reference_type_for_mode): Likewise.
9498 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9500 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9501 * Makefile.in (CXX_COMPAT_WARN): Define.
9502 * configure: Regenerate.
9504 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9507 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9510 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9512 * toplev.c: Fix thinko.
9514 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9515 Marcin Dalecki <martin@dalecki.de>
9517 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9518 (push_srcloc): Use XNEW.
9519 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9521 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9523 * df-core.c (df_set_blocks): Deleted all variable.
9525 2006-01-28 Ian Lance Taylor <ian@airs.com>
9527 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9528 cgraph_output_pending_asms.
9530 2006-01-28 Zack Weinberg <zackw@panix.com>
9532 * c.opt: Add -W(no-)overlength-strings.
9533 * doc/invoke.texi: Document it.
9534 * c-opts.c (c_common_handle_option): -pedantic implies
9535 -Woverlength-strings, if not explicitly disabled already.
9536 (c_common_post_options): -Woverlength-strings defaults to off, and
9537 is always off for C++.
9538 * c-common.c (fix_string_type): Issue warning about strings longer
9539 than is portable only if warn_overlength_strings. Rearrange code
9540 a little for clarity.
9541 * configure.in: Check for -Wno-overlength-strings as well before
9542 enabling -pedantic in stage 1.
9543 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9544 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9546 * genconditions.c (write_header, write_one_condition)
9547 (write_conditions, write_writer): Consolidate very long strings
9548 that were broken up to fit in C89 portable limit. Don't use
9549 printf when fputs will do.
9551 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9553 * combine.c (simplify_comparison <AND>): Check
9554 TRULY_NOOP_TRUNCATION before start using a subreg.
9556 * config/mips/mips.md (*branch_zero<mode>,
9557 *branch_zero<mode>_inverted, *branch_equality<mode>,
9558 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9559 Remove mode check from comparisons.
9561 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9563 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9565 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9567 * expmed.c (const_mult_add_overflow_p): Remove.
9568 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9570 * recog.c (validate_replace_rtx_subexp): Remove.
9571 * recog.h: Remove the prototype for
9572 validate_replace_rtx_subexp.
9574 * integrate.h: Remove the prototype for
9575 copy_decl_for_inlining.
9576 * rtl.h: Remove the prototype for mark_constant_function.
9577 * tree-vectorizer.h: Remove the prototype for
9578 vect_strip_conversion.
9580 * modulo-sched.c (create_partial_schedule,
9581 free_partial_schedule, reset_partial_schedule): Make them
9584 * hooks.c (hook_bool_rtx_int_false): Remove.
9585 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9587 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9589 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9590 and -mlong-double-128 are incompatible.
9591 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9592 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9593 (TARGET_LIBGCC2_CFLAGS): Define.
9594 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9595 (TARGET_LIBGCC2_CFLAGS): Same.
9596 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9598 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9601 * c-typeck.c (build_binary_op): Perform implicit casts of
9602 operands before shortening them.
9604 * cfgloopmanip.c (split_loop_bb): Remove.
9605 * cfgloop.h: Remove the prototype for split_loop_bb.
9607 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9608 * cfgloop.h: Remove the prototype for
9609 flow_loop_outside_edge_p.
9611 * emit-rtl.c (init_virtual_regs): Make it static.
9612 * function.h: Remove the prototype for init_virtual_regs.
9614 * recog.c (peephole2_optimize): Make it static.
9615 * recog.h: Remove the prototype for peephole2_optimize.
9617 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9619 * df-scan.c (df_record_entry_block_defs): Check if
9620 INCOMING_RETURN_ADDR_RTX is defined.
9622 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9623 Kenneth Zadeck <zadeck@naturalbridge.com>
9625 PR rtl-optimization/24762
9626 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9627 * targhooks.c (hook_void_bitmap): New hook prototype.
9628 * targhoohs.h (hook_void_bitmap): Ditto.
9629 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9630 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9631 * target.h (live_on_entry): New function pointer.
9632 * df-scan.c (df_all_hard_regs): Removed.
9633 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9634 (df_scan_free_internal): Added df->entry_block_defs.
9635 (df_scan_alloc): Ditto.
9636 (df_scan_dump): Ditto.
9637 (df_uses_record): Plumbed flag field properly thru calls.
9638 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9639 This part fixes PR24762.
9640 (df_bb_refs_record): Added code to make the frame and arg
9641 pointers live in EH blocks.
9642 (df_refs_record): Added call to df_record_entry_block_defs.
9643 (df_record_entry_block_defs): New function.
9644 * df-core.c: Added comments to describe new artifical defs.
9645 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9646 (entry_block_defs): New field in struct df.
9647 (df_all_hard_regs): Deleted.
9648 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9649 * df-problems.c (df_ru_bb_local_compute_process_def):
9650 Added code to handle artifical defs in the entry to a function.
9651 (df_ru_bb_local_compute): Ditto.
9652 (df_rd_bb_local_compute_process_def): Ditto.
9653 (df_rd_bb_local_compute): Ditto.
9654 (df_lr_bb_local_compute): Ditto.
9655 (df_ur_bb_local_compute): Ditto.
9656 (df_urec_bb_local_compute): Ditto.
9657 (df_chain_create_bb): Ditto.
9658 (df_ur_local_finalize): Removed entry.
9659 (df_urec_init): Ditto.
9660 (df_urec_local_finalize): Ditto.
9661 (df_ri_bb_compute): Added detection of last use of pseudos.
9662 * Makefile.in (df-scan.o): Updated dependencies.
9663 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9664 * config/mips/mips.c (mips_set_live_on_entry): Added.
9665 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9667 * dce.c (marked_insn_p): Added code to handle artifical defs.
9669 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9671 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9673 (_mm_cvtsi128_si64): Likewise.
9674 (_mm_cvtsd_si64): Likewise.
9675 (_mm_cvttsd_si64): Likewise.
9676 (_mm_cvtsi64_sd): Likewise.
9677 (_mm_cvtsi64_si128): Likewise.
9678 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9679 (_mm_cvtsi64_m64): Likewise.
9680 (_m_to_int64): Likewise.
9681 (_mm_cvtm64_si64): Likewise.
9682 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9683 (_mm_cvttss_si64): Likewise.
9684 (_mm_cvtsi64_ss): Likewise.
9685 (_mm_cvtss_f32): Likewise.
9687 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9689 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9690 for pragma redefine_extname.
9692 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9695 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9696 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9697 -mno-minimal-toc to previous content.
9698 (bispecs): Remove goal.
9699 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9700 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9701 compatibility aliases on powerpc-*-*gnu*.
9702 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9703 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9704 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9705 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9706 (ldblspecs): New goal.
9707 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9708 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9710 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9711 L_sf_to_tf or L_df_to_tf is defined.
9713 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9714 Alan Modra <amodra@bigpond.net.au>
9717 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9718 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9719 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9720 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9721 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9722 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9723 (rs6000_override_options): Initialize rs6000_ieeequad.
9724 Initialize TFmode format to ibm_extended_format if not
9726 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9728 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9729 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9730 (function_arg_advance): IBM long double passed in two FPRs, not
9732 (function_arg): IBM long double passed in FPRs.
9733 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9734 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9735 Only multireg GPR aligned.
9736 (rs6000_init_libfuncs): Enable IBM long double functions if not
9738 (rs6000_generate_compare): Use IBM long double compare if not
9740 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9741 (TARGET_IEEEQUAD): Define.
9742 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9743 not TARGET_IEEEQUAD.
9744 * config/rs6000/rs6000.md: Enable TFmode patterns if
9746 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9747 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9748 and -mlong-double-128 are incompatible.
9749 * doc/invoke.texi (-mabi): Collect options together. Add
9750 ibmlongdouble and ieeelongdouble.
9752 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9754 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9756 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9757 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9758 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9759 * rtl.h (rtunion_def): Remove rt_ptr.
9761 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9762 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9763 * config/i386/winnt.c (i386_pe_mark_dllexport)
9764 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9766 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9768 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9770 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9774 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9775 pthread_key_delete. From John David Anglin. gthrw-ify
9776 pthread_getunique_np only if it it's not a macro. Delete
9778 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9779 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9780 __gthread_objc_condition_signal, __gthread_key_delete): Add
9781 "__attribute__ ((__unused__))" to unused arguments.
9782 (__gthread_recursive_mutex_init_function): Add missing return.
9783 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9784 gthr-posix95.h: Use macro-based approach for name redirection
9785 on targets missing weakref.
9787 2006-01-26 Zack Weinberg <zackw@panix.com>
9789 * genconditions.c (write_header): In generated code, #ifdef out
9790 all includes and fake declarations, except includes of bconfig.h
9791 and system.h, unless GCC_VERSION >= 3001. Do not include
9792 gensupport.h in any case.
9793 (write_conditions): Generate a definition of struct c_test. Add
9794 a comment to the generated #endif.
9795 (write_one_condition): Escape backslashes in string too.
9796 (write_writer): Generated code must escape backslashes and quote
9797 marks (but not newlines) in the strings it writes.
9798 * Makefile.in (build/gencondmd.o): Update dependencies.
9800 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9803 * Makefile.in (insn-automata.o): Add header file dependencies.
9804 * genautomata.c: Add includes.
9806 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9809 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9811 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9813 * configure.ac: Expect target tools paths to be passed from the toplevel
9814 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9816 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9818 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9821 * c.opt (Wpointer-sign): Init to -1.
9822 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9823 OPT_pedantic, to 0 otherwise.
9824 * doc/invoke.texi: Update.
9826 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9828 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9829 constants provided by 80387 instructions in the destination mode.
9831 2006-01-26 Richard Guenther <rguenther@suse.de>
9832 Andrew Pinski <pinskia@physics.uc.edu>
9835 partial PR tree-opt/17064
9836 * tree-ssa-structalias.c (intra_create_variable_infos):
9837 Create heap variables for incoming parameters if
9838 flag_argument_noalias > 1.
9839 (find_what_p_points_to): Look through default defs of
9842 2006-01-26 Jeff Law <law@redhat.com>
9845 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9846 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9847 within the VR_RANGE, use the VR_RANGE as the result, not the
9849 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9850 bounds for the type.
9852 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9854 * tree-ssa-alias.c (maybe_create_global_var): Change
9855 subvar walking to an assertion that we don't have subvar'd variables.
9857 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9860 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9861 Use a new variable, inner. PARM_DECLs are always non-weak.
9863 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9865 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9868 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9870 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9872 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9874 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9875 (smax_insn, smin_insn, smax_0, smin_0): New.
9877 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9880 * config/cris/cris.c (cris_order_for_addsi3): New function.
9881 * config/cris/cris-protos.h: Prototype it.
9882 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9883 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9884 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9885 (split for "op.S1 [rx=rx+i],ry (swapped)")
9886 (split for "op(s|u).S1 [rx=rx+i],ry")
9887 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9888 Apply cris_order_for_addsi3 when generating addsi3 insns.
9890 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9892 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9893 (TREE_BLOCK): Add call to EXPR_CHECK.
9895 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9898 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9899 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9900 (dump_omp_clauses): ... here.
9901 (dump_generic_node): Handle OMP_CLAUSE.
9902 * tree.c (omp_clause_num_ops): New.
9903 (omp_clause_code_name): New.
9904 (tree_code_size): Handle OMP_CLAUSE.
9905 (tree_size): Likewise.
9906 (make_node): Document handling of OMP_CLAUSE.
9907 (tree_node_structure): Handle OMP_CLAUSE.
9908 (omp_clause_check_failed): New.
9909 (omp_clause_range_check_failed): New.
9910 (omp_clause_operand_check_failed): New.
9911 (build_omp_clause): New.
9912 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9913 * tree.h (enum omp_clause_code): Declare.
9914 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9915 (OMP_CLAUSE_RANGE_CHECK): Define.
9916 (OMP_CLAUSE_ELT_CHECK): Define.
9917 (omp_clause_check_failed): Declare.
9918 (omp_clause_operand_check_failed): Declare.
9919 (omp_clause_range_check_failed): Declare.
9920 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9921 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9922 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9923 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9924 (OMP_CLAUSE_IF_EXPR): Likewise.
9925 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9926 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9927 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9928 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9929 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9930 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9931 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9932 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9933 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9934 (OMP_CLAUSE_CODE): Define.
9935 (OMP_CLAUSE_SET_CODE): Define.
9936 (OMP_CLAUSE_CODE): Define.
9937 (OMP_CLAUSE_OPERAND): Define.
9938 (struct tree_omp_clause): Declare.
9939 (union tree_node): Add field 'omp_clause'.
9940 * treestruct.def (TS_OMP_CLAUSE): Define.
9941 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9942 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9943 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9944 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9945 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9946 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9947 (OMP_CLAUSE): Define.
9948 * print-tree.c (print_node): Handle OMP_CLAUSE.
9949 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9950 * c-typeck.c: Likewise.
9951 * gimplify.c: Likewise.
9952 * c-omp.c: Likewise.
9953 * tree-nested.c: Likewise.
9954 * tree-inline.c: Likewise.
9955 * c-parser.c: Likewise.
9956 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9959 2006-01-25 Roger Sayle <roger@eyesopen.com>
9961 PR rtl-optimization/25703
9962 * combine.c (try_combine): Handle zero_extract and strict_low_part
9963 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9965 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9967 * global.c: Fix comment typos.
9969 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9972 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9973 Use output_addr_const instead of assemble_name.
9975 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9977 * Makefile.in (sched-vis.o): Update dependencies.
9978 * haifa-sched.c (sched_finish): Clear current_sched_info.
9979 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9980 (dump_flow_info): Call it.
9981 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9983 * basic-block.h (dump_bb_info): Declare.
9984 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9985 option, and apply options only for dump files whose TDF_RTL,
9986 TDF_TREE, or TDF_IPA bits match.
9987 * rtl.h: Declare new functions exported from sched-vis.c.
9988 * sched-vis.c: Enable also if scheduling is not used.
9989 (print_value): Print the mode of registers if not inside scheduling.
9990 (print_insn): Make it work outside the scheduler. Beautify the output
9992 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9994 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9996 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9997 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9998 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9999 depending on the value of CONSTANT_POOL_ADDRESS_P.
10000 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10002 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10003 rather than SYMBOL_REF_DECL.
10004 (rtx_constant_pool): Remove const_rtx_sym_htab.
10005 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10006 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10007 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10008 Remove handling of const_rtx_sym_htab.
10009 (find_pool_constant): Delete.
10010 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10011 rather than find_pool_constant.
10012 (get_pool_constant_for_function): Delete.
10013 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10014 find_pool_constant.
10015 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10016 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10017 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10018 (SYMBOL_REF_CONSTANT): New macro.
10019 (get_pool_constant_for_function): Delete.
10020 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10021 rather than SYMBOL_REF_DECL.
10022 (i386_pe_mark_dllimport): Likewise.
10023 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10024 rather than SYMBOL_REF_DECL.
10025 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10026 (machopic_indirect_call_target): Likewise.
10028 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10030 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10032 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10034 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10036 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10038 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10040 2006-01-24 David Daney <ddaney@avtrex.com>
10043 * configure.ac (enable_tls): New enable option.
10044 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10045 * configure: Regenerate.
10046 * doc/install.texi (--enable-tls): Document new option.
10047 (--disable-tls): Ditto.
10049 2006-01-24 Richard Henderson <rth@redehat.com>
10051 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10052 * alias.c (true_dependence): Respect it.
10053 (canon_true_dependence, write_dependence_p): Likewise.
10054 * builtins.c (get_builtin_sync_mem): Set it.
10056 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10058 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10061 2006-01-24 DJ Delorie <dj@redhat.com>
10063 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10064 for storing constants in single-bit bitfields.
10066 2006-01-25 Ben Elliston <bje@au.ibm.com>
10068 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10070 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10073 * tree-ssa-pre.c (phi_translate): Return NULL
10074 for AGGREGATE_TYPE's.
10076 2006-01-24 Zack Weinberg <zackw@panix.com>
10078 * genautomata.c (process_state_for_insn_equiv_partition):
10079 Use xcalloc for insn_arcs_array.
10080 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10081 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10083 2006-01-24 Richard Henderson <rth@redhat.com>
10085 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10086 update all callers.
10088 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10090 PR rtl-optimization/25890
10091 PR rtl-optimization/25905
10092 * combine.c (expand_compound_operation, expand_field_assignment):
10093 Fail if the bitfield's final position is out of bounds.
10095 2006-01-24 Ian Lance Taylor <ian@airs.com>
10097 PR middle-end/25930
10098 * cgraphunit.c (cgraph_output_in_order): Don't clear
10099 cgraph_asm_nodes until after asm strings have been output.
10101 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10103 * fix-header.c (read_scan_file): Add new parameter imultilib when
10104 calling register_include_chains.
10106 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10108 * omp-low.c: Update documentation.
10110 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10111 Daniel Berlin <dberlin@dberlin.org>
10115 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10116 return from the function.
10118 2006-01-22 Zack Weinberg <zackw@panix.com>
10120 * rtl.def (match_code): Add second argument.
10121 * genpreds.c (write_extract_subexp): New function.
10122 (write_match_code): Add path argument. Use write_extract_subexp.
10123 (write_predicate_expr): Pass path to write_match_code.
10124 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10125 not perform a mode test.
10126 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10127 a subexpression does not constrain the top-level code set.
10128 * read-rtl.c (read_rtx_variadic): New function.
10129 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10130 * doc/md.texi: Document new notation.
10131 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10132 (cmpsi_operand): ... here, using new notation.
10134 2006-01-22 Zack Weinberg <zackw@panix.com>
10136 * varray.c: Remove GENERATOR_FILE #ifdefs.
10138 2006-01-22 Zack Weinberg <zackw@panix.com>
10140 * genautomata.c (output_reserved_units_table): Emit nothing if
10141 description->query_units_num is zero. Remove extra blank line.
10142 (output_cpu_unit_reservation_p): Short circuit
10143 if description->query_units_num is zero.
10145 2006-01-22 Zack Weinberg <zackw@panix.com>
10147 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10148 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10149 nor any of the random handful of variables that used to be necessary
10150 when this program was linked with rtlanal.o. Prune set of forward
10151 function declarations.
10152 (struct attr_desc): Remove static_p field.
10153 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10154 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10155 (attr_string): Do not read the character one past the length of
10157 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10158 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10159 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10160 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10161 (make_automaton_attrs): New.
10162 (main): Do not call into genautomata. Call local gen_bypass
10163 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10164 Remove special case for insn_alts.
10165 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10166 varray.h (leftover from previous change). Prune set of forward
10167 function declarations. Remove state_alts fields from all
10168 structures. Remove state_alts_table from struct automaton.
10169 Make everything except main static. Do not maintain num_dfa_decls.
10170 Do not maintain state_alts fields of various structures.
10171 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10172 (add_arc): Remove state_alts argument. All callers updated.
10173 (output_reserved_units_table): Emit #ifdef here...
10174 (output_tables): ...not here. Don't generate state_alts tables.
10175 (expand_automata): Don't generate attributes.
10176 (write_automata): Don't generate state_alts functions.
10177 (main): New function.
10178 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10179 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10180 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10181 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10182 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10183 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10184 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10185 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10187 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10188 * genattrtab.h: Delete file.
10189 * Makefile.in (OBJS-common): Add insn-automata.o.
10190 (insn-automata.o): New rule.
10191 (simple_generated_c): Add insn-automata.c.
10192 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10193 (genprogmd): Add automata.
10194 (build/genattrtab): Needs no extra objects nor libraries.
10195 (build/genautomata): Needs build/vec.o and -lm.
10197 2006-01-22 Zack Weinberg <zackw@panix.com>
10199 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10200 (output_dfa_max_issue_rate, locked_states_num): Delete.
10201 (struct automaton): Add locked_states field.
10202 (output_dead_lock_vect): Save number of locked states in
10203 automaton->locked_states. If it is zero, don't print anything.
10204 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10205 (output_internal_dead_lock_func): Only test the dead_lock_vect
10206 for automata that have locked states.
10207 (output_statistics): Always print the number of locked states for
10208 each automaton. Calculate total number of locked states here.
10209 (write_automata): Don't call output_dfa_max_issue_rate.
10210 * genattrtab.c: Define length_unit_log as a const variable.
10211 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10212 max_insn_queue_index const.
10213 * final.c (length_unit_log): Declare const.
10214 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10216 2006-01-22 Zack Weinberg <zackw@panix.com>
10218 * genautomata.c: Include vec.h, not varray.h.
10219 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10220 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10221 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10222 VEC_* macros operating on appropriately typed vectors, or to
10223 malloced arrays when the size is known in advance. Const-ify
10224 many char* variables and function arguments. No functional changes.
10225 * Makefile.in (build/varray.o): Delete rule.
10226 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10227 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10229 2006-01-22 Zack Weinberg <zackw@panix.com>
10231 * gensupport.c: Define get_insn_name and record_insn_name here.
10232 (read_md_rtx): Call record_insn_name as appropriate.
10233 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10234 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10235 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10237 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10238 (BUILD_VARRAY): Delete.
10239 (genprognormal): Rename genprogmd. Fold in all programs from
10240 genprognoprint; also attrtab.
10241 (build/genattrtab): Just mention genautomata.o and varray.o.
10242 Reorganize a bit, add comments to make the categories clearer.
10244 2006-01-22 Zack Weinberg <zackw@panix.com>
10246 * genconditions.c (condition_table, add_condition): Delete.
10247 (write_conditions): Don't emit n_insn_conditions nor
10248 insn_elision_unavailable. Issue the gcc version #ifdef here,
10249 inside the table, with no #else clause ...
10250 (write_header): ...not here.
10251 (write_writer): New function.
10252 (main): Don't initialize condition_table. Use add_c_test.
10254 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10255 files on the command line.
10256 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10257 Return -1 if there is no entry in the table, don't abort.
10258 (add_c_test, traverse_c_tests): New functions.
10259 * gensupport.h (insn_elision_unavailable, insn_conditions)
10260 (n_insn_conditions): Delete declarations.
10261 (add_c_test, traverse_c_tests): Declare.
10262 * read-rtl.c: Include gensupport.h.
10263 (read_conditions): New function.
10264 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10265 (read_rtx_1): If we get EOF when we were looking for an initial
10266 open paren, return 0. Call read_conditions when appropriate.
10267 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10268 dummy-conditions.o. Eliminate references to insn-conditions.o,
10269 or change them to build/gencondmd.o, as appropriate. Remove
10270 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10271 from $(simple_generated_c). For all files remaining in those
10272 two lists, add insn-conditions.md to the generator command line.
10273 Give insn-constants.h/s-constants their own rules. Add rules
10274 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10275 (build/read-rtl.o): Depend on gensupport.h.
10276 (genprognormal): Include preds.
10277 (genprogearly): Rename genprognoprint; only difference is now that
10278 they don't link with $(BUILD_PRINT).
10279 * dummy-conditions.c: Delete.
10281 2006-01-22 Zack Weinberg <zackw@panix.com>
10283 * genextract.c: Don't include insn-config.h. Do include vec.h.
10284 Declare vectors of int, char, and locstr.
10285 (locstr): New typedef.
10286 (struct extraction): Make all array fields into bare pointers.
10287 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10288 (insn_code_number): Delete.
10289 (accum_extract): New struct.
10290 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10291 (gen_insn): Take insn_code_number as an argument. Use an
10292 accum_extract structure instead of loading data directly into
10293 a struct extraction, and having to know how big it might get.
10294 (walk_rtx): Operate entirely on an accum_extract structure.
10295 (print_path): Avoid unnecessary use of printf.
10296 (print_header): New function, split out of main. Distinguish
10297 more carefully between an unrecognizable insn and an insn that
10298 has the code number of a define_expand.
10299 (main): Pass insn_code_number to gen_insn. Call print_header
10300 only after parsing. Avoid unnecessary use of printf.
10301 * Makefile.in (build/vec.o): New rule.
10302 (build/genextract): Depend on build/vec.o.
10303 (build/genextract.o): Don't depend on insn-config.h.
10305 2006-01-22 Zack Weinberg <zackw@panix.com>
10307 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10308 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10309 practical. Eliminate per-generator-program link rules.
10311 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10313 PR middle-end/24437
10314 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10315 with a call expr to ...
10316 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10318 2006-01-23 Richard Guenther <rguenther@suse.de>
10320 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10321 before make_edge with conditional EDGE_TRUE_VALUE.
10323 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10324 Jan Hubicka <jh@suse.cz>
10325 Richard Guenther <rguenther@suse.de>
10327 PR rtl-optimization/25654
10328 * cfgexpand.c (aggregate_contains_union_type): New function.
10329 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10330 for structure variables that contain a union type.
10332 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10334 * gengtype.c (new_structure): Return the structure.
10335 (create_option): Add an extra "next" argument.
10336 (create_field): New function.
10337 (adjust_field_rtx_def): Use create_option and create_field.
10338 Remove a now-unnecessary call to find_structure.
10339 (adjust_field_tree_def): Likewise.
10340 (note_yacc_type): Remove an unnecessary call to find_structure.
10341 * gengtype.h (new_structure): Return the structure.
10342 (create_option): Add an extra argument.
10343 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10344 (option): Adjust calls to create_option.
10346 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10348 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10350 2006-01-22 Paul Brook <paul@codesourcery.com>
10351 Peter Barada <peter@the-baradas.com>
10353 * config/m68k/m68k.md: Add Coldfire FPU support.
10354 Define FP mode macro and associated attributes.
10355 Use it for float mode patterns.
10356 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10357 (LIBCALL_VALUE): Use m68k_libcall_value.
10358 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10359 (m68k_function_value): Ditto.
10360 (emit_move_sequence): Ditto.
10361 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10362 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10363 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10364 (MULTILIB_EXCEPTIONS): Ditto.
10365 * config/m68k/m68k.opt: Add mcfv4e.
10366 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10367 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10368 (m68k_output_function_prologue): Save ColdFire FPU registers.
10369 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10370 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10371 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10372 ColdFire FPU registers.
10373 (m68k_libcall_value, m68k_function_value): New functions.
10374 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10375 (LIBCALL_VALUE): Use m68k_libcall_value.
10376 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10377 (MASK_COLDFIRE): Add MASK_CFV4E.
10378 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10379 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10380 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10381 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10382 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10383 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10384 * doc/invoke.tex: Document -mcfv4e on m68k.
10386 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10388 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10391 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10394 * c-opts.c (c_common_handle_option): Don't include
10395 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10396 * doc/invoke.texi (C++ Dialect Options): Document that
10397 -Wnon-virtual-dtor is no longer included in -Wall.
10399 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10401 * gcov.c (print_version), gcov-dump.c (print_version),
10402 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10405 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10407 * df-scan.c (problem_SCAN): Added NULL reset function.
10408 (df_scan_reset_blocks): Added code to call reset block function
10409 (df_bb_refs_delete) Fixed comment.
10410 (df_insn_refs_delete): Made tolerant of deleting non existent info
10411 for dataflow problems that need to be reset.
10412 * df-core.c (df_set_blocks): Ditto.
10413 * df.h (struct df_problem): Added reset_fun.
10414 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10415 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10416 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10417 functions to clear out all references to def-use or use-def chains.
10419 2006-01-21 Ben Elliston <bje@au.ibm.com>
10421 * varasm.c (assemble_real): Initialise data array.
10423 2006-01-20 Paul Brook <paul@codesourcery.com>
10425 Merge from csl-arm-branch.
10426 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10427 * config/arm/arm.md (movdi): Force operands[1] to a register
10428 if we have a non-register source.
10429 (*arm_movdi, *movdf_soft_insn): Require that one of the
10430 operands be a register.
10431 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10432 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10434 2006-01-20 DJ Delorie <dj@redhat.com>
10436 * varasm.c (initializer_constant_valid_p): Allow pointers
10437 initialized from integer constants of lesser precision.
10438 (output_constant): Allow non-int-sized pointer modes to be
10439 initialized from integer constants.
10441 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10444 * cppdefault.h (struct default_include): Add multilib flag.
10445 * cppdefault.c (cpp_include_defaults): Set it.
10446 * c.opt (-imultilib): New option.
10447 * c-opts.c (imultilib): New.
10448 (c_common_handle_option): Handle -imultilib.
10449 (c_common_post_options): Likewise.
10450 * c-incpath.c (add_standard_paths, register_include_chains):
10452 * c-incpath.h (register_include_chains): Add extra parameter.
10453 * gcc.c (do_spec_1): Generate -imultilib option.
10454 (The Specs Language): Update %I description.
10455 (process_command): Update copyright notice.
10456 * doc/cppopts.texi (-imultilib): Document.
10457 * doc/invoke.texi (-imultilib): Include in option summary.
10458 (%I): Update specs documentation.
10460 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10462 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10464 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10466 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10469 2006-01-20 Richard Guenther <rguenther@suse.de>
10470 Steven Bosscher <stevenb.gcc@gmail.com>
10472 PR rtl-optimization/24626
10473 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10474 EDGE_TRUE_VALUE if in RTL mode.
10477 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10478 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10480 2006-01-20 Dirk Mueller <dmueller@suse.com>
10483 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10484 instead of a special NOP marker.
10485 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10486 NOP marker handling.
10487 * c-common.h (empty_body_warning): Add forward declaration.
10488 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10489 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10491 2006-01-20 Paul Brook <paul@codesourcery.com>
10493 * Makefile.in (lang_checks): Keep going if mkdir fails.
10495 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10497 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10498 be able to clean out basic block when not necessary.
10499 (df_scan_free): Fixed to properly delete information if df is
10500 unused before calling df_finish.
10501 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10502 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10504 (df_bb_refs_delete): New function.
10505 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10506 * df-core.c (df_set_blocks): Added code to properly clean out
10507 unused blocks if they are not part of the blocks to consider.
10508 Added additional null check.
10509 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10510 be able to clean out basic block when not necessary
10511 * df.h (df_free_bb_function): Ditto.
10512 (df_bb_refs_delete): New function.
10513 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10514 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10515 basic block parameter to be able to clean out basic block when not
10517 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10518 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10519 Fixed to properly delete information if df is unused before
10522 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10524 PR rtl-optimization/25799
10525 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10526 Corrected confluence operator to remove bits from op2 before oring
10527 with op1 rather than removing bits from op1.
10528 (df_ru_transfer_function): Corrected test on wrong bitmap which
10529 caused infinite loop. Both of these problems were introduced in
10530 the dataflow rewrite.
10532 2006-01-19 DJ Delorie <dj@redhat.com>
10534 * reload1.c (find_reload_regs): Note the details of reload
10535 failures in the dump file.
10536 (spill_failure): Likewise.
10538 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10540 * loop-iv.c: Include df.h and hashtab.h.
10541 (enum iv_grd_result): New enum.
10542 (DF_REF_IV, DF_REF_IV_SET): New macros.
10543 (struct biv_entry): New.
10544 (df, bivs): New global variables.
10545 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10546 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10548 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10549 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10550 analyzed_for_bivness_p, record_biv): New functions.
10551 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10552 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10553 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10555 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10557 (iv_number_of_iterations): Use new interface to iv analysis.
10558 * loop-unroll.c: Do not include varray.h.
10559 (analyze_iv_to_split_insn): Use new interface to iv
10561 * loop-unswitch.c (may_unswitch_on): Ditto.
10562 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10564 (df_bb_modify): Realloc tables to the new index.
10565 (df_find_use): New function.
10566 * df.h (df_find_use): Declare.
10567 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10569 * cfgloop.h (struct rtx_iv): Remove analysed field.
10570 (iv_get_reaching_def): Removed.
10571 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10572 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10573 (loop-iv.o): Add df.h and hashtab.h dependency.
10574 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10576 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10579 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10581 (__floatundisf, __floatundidf): Likewise.
10582 * libgcc2.h (IS_IBM_EXTENDED): Define.
10584 2006-01-19 DJ Delorie <dj@redhat.com>
10586 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10588 2006-01-19 Paul Brook <paul@codesourcery.com>
10590 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10591 as nothrow when unwinding tables are disabled.
10593 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10596 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10597 of bit-field" when in system header.
10599 2006-01-19 DJ Delorie <dj@redhat.com>
10601 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10602 the 16 bit shift limit of the m16c.
10604 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10607 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10608 * config/i386/i386.c (output_set_got): Output the label if we have one
10609 for the TARGET_DEEP_BRANCH_PREDICTION case.
10611 2006-01-19 Jan Hubicka <jh@suse.cz>
10612 H.J. Lu <hongjiu.lu@intel.com>
10613 Evandro Menezes <evandro.menezes@amd.com>
10615 * invoke.texi (generic): Document
10617 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10618 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10619 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10620 (x86_use_incdec, x86_pad_returns): New variables
10621 (TARGET_CPU_DEFAULT_generic): New constant
10622 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10623 (enum processor_type): Add generic32 and generic64.
10624 * i386.md (cpu attribute): Add generic32/generic64
10625 (movhi splitter): Behave sanely when both partial_reg_dependency and
10626 partial_reg_stall are set.
10627 (K8 splitters): Enable for generic as well.
10628 * predicates.md (incdec_operand): Use TARGET_INCDEC
10629 (aligned_operand): Avoid memory mismatch stalls.
10630 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10631 * ppro.md: Enable for generic32
10632 * i386.c (generic64_cost, generic32_cost): New.
10633 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10634 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10635 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10636 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10637 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10638 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10639 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10640 x86_accumulate_outgoing_args, x86_prologue_using_move,
10641 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10642 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10643 Enable for generic.
10644 (x86_use_incdec, x86_pad_returns): New.
10645 (override_options): Add generic32 and generic64, translate "generic"
10646 to generic32/generic64 and "i686" to "generic32", refuse
10647 "generic32"/"generic64" as arch target.
10648 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10649 (ix86_reorg): Honor PAD_RETURNS.
10651 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10653 * tree-pretty-print.c (dump_generic_node): Handle
10654 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10655 * cgraph.c (cgraph_expand_queue): Rename from
10656 cgraph_analyze_queue. Update all users.
10657 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10658 cgraph_expand_queue.
10659 (cgraph_expand_all_functions): Likewise.
10660 (cgraph_finalize_pending_functions): Remove. Update callers.
10662 * tree.h (OMP_DIRECTIVE_P): Define.
10663 (OMP_PARALLEL_FN): Define.
10664 (OMP_PARALLEL_DATA_ARG): Define.
10665 (OMP_SECTIONS_SECTIONS): Define.
10666 * tree-pass.h (pass_expand_omp): Declare.
10667 * omp-low.c (struct omp_region): Declare.
10668 (struct omp_context): Remove fields 'parallel_type',
10669 'parallel_start_ix' and 'parallel_start_additional_args'.
10671 (struct omp_for_data): Rename from struct expand_omp_for_data.
10672 (omp_regions): New static variable.
10673 (root_omp_region): New static variable.
10674 (find_omp_clause): Make static.
10675 (is_in_combined_parallel_ctx): Remove.
10676 (is_combined_parallel): New.
10677 (extract_omp_for_data): Move earlier in the file.
10678 (workshare_safe_to_combine_p): New.
10679 (get_ws_args_for): New.
10680 (determine_parallel_type): Move earlier in the file.
10681 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10683 (omp_copy_decl): Likewise.
10684 (create_omp_child_function): Likewise.
10685 (lookup_omp_region): New.
10686 (dump_omp_region): New.
10687 (debug_omp_region): New.
10688 (debug_all_omp_regions): New.
10689 (new_omp_region): New.
10690 (scan_omp_parallel): If parallel_nesting_level > 1, the
10691 directive is nested within another parallel directive.
10692 Set OMP_PARALLEL_FN.
10693 (scan_omp_for): Do not try to handle combined parallel+for
10695 Remove FIXME comment.
10696 (scan_omp_nested): Remove.
10697 (scan_omp_1): Do not call scan_omp_nested when
10698 parallel_nesting_level is > 1.
10699 Do not change the DECL_CONTEXT of local variables found.
10700 (lookup_decl_in_outer_ctx): New.
10701 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10702 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10703 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10704 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10705 If CTX is nested, lookup VAR in the outer context when
10706 building copy assignment.
10707 (lower_send_clauses): Rename from expand_send_clauses.
10708 If CTX is nested, lookup VAR in the outer context when
10709 building copy assignments.
10710 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10711 If CTX is nested, lookup VAR in the outer context when
10712 building copy assignments.
10713 (expand_parallel_call): Rename from build_parallel_call.
10714 Handle combined parallel+workshare cases.
10715 Re-implement to emit code into the CFG.
10717 (expand_omp_parallel): Re-implement to emit code into the CFG.
10718 Call move_sese_region_to_fn to outline the sub-graph
10719 containing the parallel region.
10720 (expand_omp_for_1): Remove.
10721 (expand_omp_for_generic): Re-implement to emit code into the
10723 (expand_omp_for_static_nochunk): Likewise.
10724 (expand_omp_for_static_chunk): Likewise.
10725 (expand_omp_for): Likewise.
10726 (expand_omp_sections): Likewise.
10727 (remove_exit_barriers): New.
10728 (expand_omp_synch): New.
10730 (build_omp_regions_1): New.
10731 (build_omp_regions): New.
10732 (execute_expand_omp): New.
10733 (gate_expand_omp): New.
10734 (pass_expand_omp): Define.
10735 (lower_omp_sections): Rename from expand_omp_sections.
10736 Set OMP_SECTIONS_SECTIONS.
10737 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10738 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10739 (lower_omp_single): Rename from expand_omp_simple.
10740 (lower_omp_master): Rename from expand_omp_master.
10741 (lower_omp_ordered): Rename from expand_omp_ordered.
10742 (lower_omp_critical): Rename from expand_omp_critical.
10743 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10744 (lower_omp_for): Re-implement.
10745 (lower_omp_parallel): Re-implement.
10746 (lower_regimplify): Rename from expand_regimplify.
10747 (lower_omp_1): Rename from expand_omp_1.
10748 If there are syntax errors in the program, replace every
10749 OpenMP directive with NOP.
10750 Call lower_omp_* instead of expand_omp_*.
10751 (lower_omp): Rename from expand_omp.
10753 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10754 * tree-gimple.h (enum omp_parallel_type): Remove.
10755 (gimple_boolify): Declare extern.
10756 (find_omp_clause, determine_parallel_type): Remove.
10758 * gimple-low.c (lower_omp_directive): New.
10759 (lower_stmt): Call it.
10760 (record_vars_into): Move from ...
10761 (record_vars): ... here.
10762 Call record_vars_into with current_function_decl.
10764 * gimplify.c (struct gimplify_ctx): Remove fields
10765 combined_pre_p and combined_ctxp. Update users.
10766 (get_formal_tmp_var): Add documentation.
10767 (gimple_boolify): Make extern.
10768 (gimplify_expr_in_ctx): Remove. Update callers.
10769 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10770 will always be a BIND_EXPR.
10771 (gimplify_expr): Handle OMP_RETURN_EXPR.
10772 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10773 (OMP_PARALLEL): Add 3 operands.
10774 (OMP_SECTIONS): Add 1 operand.
10775 (OMP_RETURN_EXPR): Define.
10777 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10778 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10779 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10780 creating a circular free list.
10781 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10783 * tree-flow.h (move_sese_region_to_fn): Declare.
10784 (record_vars_into): Declare.
10785 * tree-cfg.c (make_omp_sections_edges): New.
10786 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10787 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10788 OMP_SECTIONS and OMP_SECTION.
10789 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10790 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10791 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10792 (gather_blocks_in_sese_region): New.
10793 (struct move_stmt_d): Declare.
10794 (move_stmt_r): New.
10795 (move_block_to_fn): New.
10796 (move_sese_region_to_fn): New.
10798 * passes.c (init_optimization_passes): Schedule
10799 pass_expand_omp after pass_init_datastructures.
10801 * tree-ssa-operands.c (get_expr_operands): Handle
10802 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10803 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10805 2006-01-19 Jeff Law <law@redhat.com>
10807 * tree-vrp.c (extract_range_from_assert): Refine the result range
10808 if the variable referenced by the ASSERT_EXPR has a range and
10809 either the tentative result range or the previous range is a
10812 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10814 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10816 2006-01-19 Jan Hubicka <jh@suse.cz>
10818 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10820 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10822 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10823 (expand_compound_operation, expand_field_assignment): Fail if the
10824 bit lengths of an extract operation are out of range.
10825 (make_extraction): Compute wanted_inner_mode based on the position
10826 and length of the extraction. Make it extraction_mode for non-constant
10827 positions, and do not modify offset in that case. When generating a
10828 new MEM, use a mode that can hold the extraction while keeping correct
10829 alignment. Remove code that supported MEMs wrapped by USEs.
10830 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10832 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10834 * config/s390/s390.md ("Y", "y"): New mode attribute.
10835 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10836 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10837 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10838 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10839 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10840 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10841 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10842 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10843 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10844 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10845 "addsi3", "subsi3"): Insn patterns removed.
10846 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10847 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10848 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10849 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10850 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10851 "*sub<mode>3_cconly2"): New insn patterns.
10852 ("addsi3", "subsi3"): New expanders.
10854 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10856 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10857 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10858 existing STMT_VINFO_VECTYPE if available.
10859 (vect_mark_relevant): Add special handling for stmts that are
10860 marked as STMT_VINFO_IN_PATTERN_P.
10861 (vect_analyze_loop): Call vect_pattern_recog.
10862 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10863 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10865 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10866 (vect_recog_func_ptr): New function-pointer type.
10867 * tree-vect-patterns.c: New file.
10868 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10869 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10870 (vect_pattern_recog_1): New functions.
10871 (vect_pattern_recog_funcs): New array of function pointers.
10873 * tree-vectorizer.h (ternary_op): New enum value.
10874 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10875 declaration. Revised documentation. Removed redundant dump prints.
10876 Removed redundant argument. Added support for reduction patterns.
10877 (vectorizable_reduction): Added support for reduction patterns.
10878 (vect_transform_stmt): Added support for patterns.
10880 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10881 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10882 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10883 (expand_widen_pattern_expr): New function.
10884 (init_optabs): Initialize new optabs udot_prod_optab,
10886 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10887 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10888 (expand_widen_pattern_expr): New function declaration.
10889 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10891 * tree-inline.c (estimate_num_insns_1): Added cases for new
10892 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10893 * tree-pretty-print.c (dump_generic_node): Likewise.
10894 (op_prio): Likewise.
10895 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10896 * tree-ssa-operands.c (get_expr_operands): Added case for
10898 * tree-vect-patterns.c (widened_name_p): New function.
10899 (vect_recog_dot_prod_pattern): Added function implementation.
10900 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10901 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10902 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10903 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10905 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10906 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10907 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10908 (init_optabs): Initialize new optabs widen_ssum_optab,
10910 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10911 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10912 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10913 use instead of type of def.
10914 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10915 function implementation.
10916 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10917 widen_ssumv8hi): New.
10919 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10922 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10925 * c-decl.c (add_flexible_array_elts_to_size): New function.
10926 (finish_decl): Use it.
10928 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10930 * diagnostic.h: Include options.h.
10931 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10932 dependancies for diagnostic.h.
10933 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10935 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10937 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10938 (ssa_ro_call_cache_valid): Ditto.
10939 * tree-ssa-alias.c (sort_tags_by_id): New function.
10940 (init_transitive_clobber_worklist): Ditto.
10941 (add_to_worklist): Ditto.
10942 (mark_aliases_call_clobbered): Ditto.
10943 (compute_tag_properties): Ditto.
10944 (set_initial_properties): Ditto.
10945 (compute_call_clobbered): Ditto.
10946 (compute_may_aliases): Call compute_call_clobbered and grouping.
10947 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10948 (compute_flow_insensitive_aliasing): Grouping now happens in our
10950 (setup_pointers_and_addressables): Remove clobbering related code.
10951 (add_may_alias): Ditto.
10952 (replace_may_alias): Ditto.
10953 (get_nmt_for): Ditto.
10954 (create_global_var):
10955 (is_escape_site): Return an escape_type enumeration.
10956 * tree-flow-inline.h (is_call_clobbered): Global var does not
10957 imply call clobbered.
10958 (mark_call_clobbered): Take a reason for marking this. Remove
10959 marking of globalness, and cache invalidation.
10960 (clear_call_clobbered): Remove cache invalidation code.
10961 * tree-dfa.c (dump_variable): If details is on, dump the reason
10963 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10965 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10966 (struct var_ann_d): Ditto.
10967 (enum escape_type): New.
10968 (mark_call_clobbered): Adjust prototype.
10969 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10970 are never call clobbered.
10971 Record reasons for escaping.
10972 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10973 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10974 (ssa_ro_call_cache_valid): Ditto.
10975 (clobbered_v_may_defs): Ditto.
10976 (clobbered_vuses): Ditto.
10977 (ro_call_vuses): Ditto.
10978 (clobber_stats): New.
10979 (init_ssa_operands): Zero out clobber stats.
10980 (fini_ssa_operands): Print out clobber stats.
10981 (get_call_expr_operands): Pass callee fndecl to
10982 add_call_read_ops).
10983 (add_call_clobber_ops): Remove use of cache.
10984 Add use of PURE_CONST information.
10985 (add_call_read_ops): Remove use of cache.
10986 Add use of static not_read information.
10988 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10990 Introduce TLS descriptors for i386 and x86_64.
10991 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10992 (TARGET_ANY_GNU_TLS): New macro.
10993 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10994 (struct machine_function): Add tls_descriptor_call_expanded_p.
10995 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10996 (ix86_current_function_calls_tls_descriptor): Likewise.
10997 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10998 (override_options): Introduce gnu2 tls dialect.
10999 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11001 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11003 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11004 (ix86_init_machine_status): Initialize new field.
11005 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11006 (ix86_tls_module_base): New.
11007 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11008 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11009 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11010 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11011 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11012 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11013 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11014 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11015 * config/i386/predicates.md (tls_modbase_operand): New.
11016 (tp_or_register_operand): New.
11018 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11020 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11021 (look_for_address_of): Ditto.
11022 (ipa_init): Walk the function decls.
11023 (static_execute): Don't set readonly on FUNCTION_DECL's.
11025 2006-01-18 Roger Sayle <roger@eyesopen.com>
11027 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11028 for shifts where the source and destination registers are different.
11030 2006-01-18 Paul Brook <paul@codesourcery.com>
11032 Merge from csl-arm-branch.
11033 2005-03-14 Julian Brown <julian@codesourcery.com>
11034 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11035 (aeabi_llsl): Likewise.
11036 (ashrdi3): Likewise.
11037 (aeabi_lasr): Likewise.
11038 (lshrdi3): Likewise.
11039 (aeabi_llsr): Likewise.
11040 2005-03-10 Julian Brown <julian@codesourcery.com>
11041 * config.gcc: Disable shared libgcc for SymbianOS.
11042 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11044 2006-01-18 DJ Delorie <dj@redhat.com>
11046 * c-pragma.c (handle_pragma_diagnostic): New.
11047 (init_pragma): Register it.
11048 * doc/extend.texi: Document it.
11050 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11051 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11052 (diagnostic_context): Add classify_diagnostic[].
11053 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11054 as errors if they're overridden to DK_WARNING.
11055 (diagnostic_initialize): Initialize classify_diagnostic[].
11056 (diagnostic_set_kind_override): New.
11057 (diagnostic_report_diagnostic): Check for kind changes.
11058 * opts.c (common_handle_option): Take lang_mask. Update callers.
11059 Handle OPT_Werror_.
11060 * common.opt (Werror=): New.
11061 * doc/invoke.texi: Document -Werror=*
11063 2006-01-18 Jeff Law <law@redhat.com>
11065 * tree-vrp.c (test_for_singularity): Correct test for new
11066 min limit. Use operand_equal_p rather than pointer equality
11067 for testing if new min/max values are equal.
11069 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11070 using range information until after propagation and folding.
11072 2006-01-18 Richard Henderson <rth@redhat.com>
11073 Aldy Hernandez <aldyh@redhat.com>
11074 Jakub Jelinek <jakub@redhat.com>
11075 Diego Novillo <dnovillo@redhat.com>
11077 * omp-low.c: New file.
11078 * c-omp.c: New file.
11080 2006-01-18 Richard Henderson <rth@redhat.com>
11081 Jakub Jelinek <jakub@redhat.com>
11082 Diego Novillo <dnovillo@redhat.com>
11084 * doc/invoke.texi: Document -fopenmp.
11085 * tree-dump.h (debug_function): Declare.
11086 * hooks.c (hook_bool_tree_bool_false): New function.
11087 (hook_tree_tree_null): Remove.
11088 (hook_tree_tree_tree_null): New.
11089 * hooks.h: Update to match.
11090 * tree-pretty-print.c (debug_tree_chain): New.
11091 (print_generic_expr): Handle TDF_CHAIN.
11092 (dump_generic_node): Handle BLOCK.
11093 Do not abort with incomplete SWITCH_EXPRs.
11094 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11095 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11096 print space after directive name.
11097 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11098 Handle OMP_MASTER and OMP_ORDERED.
11099 Handle printing of OMP_BODY just in one place, goto
11100 dump_omp_body in the rest of OMP_* nodes that have
11102 Don't handle clause nodes here. Update omp statements to
11103 use dump_omp_clauses.
11104 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11105 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11106 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11107 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11108 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11109 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11110 Adjust output for GOMP_PARALLEL.
11111 (dump_omp_clauses): New.
11112 (print_declaration): Dump DECL_VALUE_EXPR.
11113 (op_symbol_1): Split out of op_symbol.
11114 (dumping_stmts): Remove. Update all users.
11115 * cgraph.c (cgraph_analyze_queue): New.
11116 (cgraph_add_new_function): New.
11117 * cgraph.h (cgraph_analyze_queue): Declare.
11118 (cgraph_add_new_function): Declare.
11119 (cgraph_lower_function): Remove.
11120 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11121 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11122 and TYPE_P nodes in its default clause.
11123 (empty_body_p): New.
11124 (tree_range_check_failed): New.
11125 (build5_stat): New.
11126 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11127 OMP_CLAUSE_REDUCTION_MERGE,
11128 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11129 OMP_CLAUSE_PRIVATE_DEBUG,
11130 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11131 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11132 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11133 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11134 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11135 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11136 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11137 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11138 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11139 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11140 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11141 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11142 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11143 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11144 (TREE_RANGE_CHECK): New.
11145 (empty_body_p): Declare.
11146 (enum omp_clause_default_kind): New.
11147 (build_string_literal): Declare.
11148 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11149 (build5_stat, build5): Declare.
11150 * tree-pass.h (TDF_CHAIN): Define.
11151 * tree-pass.h (PROP_gimple_lomp): Define.
11152 (pass_lower_omp): Declare.
11153 * diagnostic.h (debug_tree_chain): Declare.
11154 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11156 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11157 * builtins.c (build_string_literal): Make extern.
11158 * gcc.c (include_spec_function): New.
11159 (static_spec_functions): Add it.
11160 (main): Move load of libgomp.spec ...
11161 (LINK_COMMAND_SPEC): ... here.
11162 (link_gomp_spec): New.
11163 (static_specs): Include it.
11164 (LINK_COMMAND_SPEC): Add link_gomp.
11165 (GOMP_SELF_SPECS): New.
11166 (driver_self_specs): Include it.
11167 (switch_matches): Don't mark inline.
11168 (main): Load libgomp.spec.
11169 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11170 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11171 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11172 * tree-gimple.h (enum omp_parallel): Declare.
11173 (determine_parallel_type): Declare.
11174 (omp_firstprivatize_variable): Declare.
11175 (omp_reduction_init): Declare.
11176 (diagnose_omp_structured_block_errors): Declare.
11177 (struct walk_stmt_info): Add want_return_expr.
11178 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11179 (find_omp_clause): Declare.
11180 (insert_field_into_struct): Declare.
11181 (struct walk_stmt_info): Move from tree-nested.c
11182 (walk_stmts): Declare.
11183 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11185 * cgraphunit.c (cgraph_lower_function): Make static.
11186 (cgraph_finalize_pending_functions): New.
11187 (cgraph_finalize_function): Call it.
11188 (cgraph_finalize_compilation_unit): Likewise.
11189 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11190 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11191 (BT_FN_UINT_UINT): New.
11192 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11193 DEF_FUNCTION_TYPE_VAR_4): Document.
11194 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11195 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11196 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11197 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11198 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11199 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11200 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11201 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11202 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11203 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11204 into separate files.
11205 (DEF_GOMP_BUILTIN): New.
11206 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11207 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11208 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11209 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11210 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11211 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11212 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11213 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11214 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11215 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11216 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11217 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11218 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11219 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11220 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11221 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11222 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11223 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11224 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11225 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11226 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11227 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11228 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11229 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11230 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11231 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11232 * sync-builtins.def: New file, moved from builtins.def.
11233 * omp-builtins.def: New file, moved from builtins.def.
11234 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11235 * gimple-low.c (lower_function_body): Clear data.
11236 (lower_stmt): Do not handle COMPOUND_EXPR.
11237 Remove call to print_node_brief.
11238 * c-tree.h (c_finish_omp_clauses): New prototype.
11239 (C_DECL_THREADPRIVATE_P): Define.
11240 (lookup_name_no_remap, c_omp_remap_private): Remove
11241 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11242 (check_for_loop_decls): Update decl.
11243 (lookup_name_no_remap, c_omp_remap_private): Declare.
11244 (build_indirect_ref, build_modify_expr, pushdecl,
11245 pushdecl_top_level): Move to c-common.h.
11246 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11247 before the switch, but just in the 2 places that need it.
11248 * c-decl.c (diagnose_mismatched_decls): Do not check for
11249 mismatched thread-local attributes when OLDDECL is marked
11250 threadprivate and NEWDECL has no thread-local attributes.
11251 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11252 (c_gimple_diagnostics_recursively): Rename from
11253 c_warn_unused_result_recursively. Invoke
11254 diagnose_omp_structured_block_errors.
11255 (check_for_loop_decls): Return a singular decl found.
11256 * langhooks.c (lhd_omp_predetermined_sharing): Return
11257 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11258 (lhd_omp_firstprivatize_type_sizes): New.
11259 (lhd_omp_assignment): New.
11260 (lhd_omp_predetermined_sharing): New.
11261 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11262 (struct lang_hooks_for_types): Add
11263 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11264 omp_predetermined_sharing, omp_disregard_value_expr,
11265 omp_private_debug_clause, omp_clause_default_ctor,
11266 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11267 (c_finish_omp_clauses): New.
11268 (c_finish_bc_stmt): Diagnose break within omp for.
11269 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11270 (build_unary_op): Return error_mark after reporting
11272 (build_modify_expr): Likewise.
11273 * gimplify.c: Include optabs.h and pointer-set.h.
11274 (enum gimplify_omp_var_data): Declare.
11275 (struct gimplify_omp_ctx): Declare.
11276 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11278 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11279 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11280 (splay_tree_compare_decl_uid): New.
11281 (new_omp_context): New.
11282 (delete_omp_context): New.
11283 (gimple_add_tmp_var): Call omp_add_variable.
11284 (gimplify_bind_expr): Likewise.
11285 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11286 true, disregard DECL_VALUE_EXPR on the decl if any.
11287 (gimplify_expr_in_ctx): New.
11288 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11289 omp_add_variable, omp_notice_variable, omp_is_private
11290 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11291 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11292 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11293 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11294 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11295 gimplify_omp_atomic): New.
11296 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11297 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11298 OMP_CRITICAL and OMP_ATOMIC.
11299 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11300 * c-pragma.h (enum pragma_kind): Add
11301 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11302 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11303 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11304 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11305 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11306 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11307 PRAGMA_OMP_THREADPRIVATE.
11308 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11309 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11310 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11311 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11312 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11313 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11314 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11315 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11316 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11317 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11318 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11319 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11320 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11322 (struct nesting_info): Add field_map,
11323 suppress_expansion, debug_var_chain.
11324 (create_nesting_tree): Initialize them.
11325 (lookup_field_for_decl): Use field_map.
11326 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11327 (convert_local_omp_clauses): New.
11328 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11329 (walk_body): Split out of walk_function.
11330 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11331 (convert_nonlocal_reference): Handle omp statements.
11332 (convert_local_reference): Likewise.
11333 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11334 (unnest_nesting_tree): New.
11335 (lower_nested_functions): Call it.
11336 (insert_field_into_struct): Make extern.
11337 (struct walk_stmt_info): Move to tree-gimple.h.
11338 (walk_stmts): Make extern.
11339 * omp-builtins.def: New file.
11340 * tree-iterator.c (expr_only): Clarify comment.
11341 * c-common.h (pushdecl_top_level, pushdecl,
11342 build_modify_expr, build_indirect_ref,
11343 c_finish_omp_master, c_finish_omp_critical,
11344 c_finish_omp_ordered, c_finish_omp_barrier,
11345 c_finish_omp_atomic, c_finish_omp_flush,
11346 c_finish_omp_for, c_split_parallel_clauses,
11347 omp_clause_default_kind, c_omp_sharing_predetermined,
11348 c_omp_remap_decl): Declare.
11349 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11350 (OBJS-common): Add omp-low.o.
11351 (c-omp.o, omp-low.o): Add.
11352 (gimplify.o): Add dependency on $(OPTABS_H).
11353 (GTFILES): Add omp-low.c.
11354 (gt-stringpool.h): Add.
11355 * tree-cfg.c (set_bb_for_stmt): Do not update the
11356 block-to-labels map if we are currently expanding to RTL.
11357 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11359 Handle IDENTIFIER_NODE.
11360 (tree_verify_flow_info): Do not ICE when emitting error
11361 messages about invalid labels.
11362 (dump_function_to_file): Reset CFUN before emitting the body
11364 (debug_function): New.
11365 * passes.c (init_optimization_passes): Schedule
11367 * langhooks-def.h (lhd_omp_predetermined_sharing,
11368 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11370 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11371 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11372 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11373 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11374 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11375 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11376 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11377 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11378 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11379 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11380 (LANG_HOOK_DECLS): Use them.
11382 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11383 Richard Henderson <rth@redhat.com>
11384 Jakub Jelinek <jakub@redhat.com>
11385 Diego Novillo <dnovillo@redhat.com>
11387 * c-parser.c (pragma_omp_clause): Define.
11388 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11389 (c_parser_compound_statement): Likewise.
11390 (c_parser_statement): Likewise.
11391 (c_parser_pragma): Handle omp pragmas.
11392 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11393 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11394 (c_parser_omp_clause_name, check_no_duplicate_clause,
11395 c_parser_omp_variable_list,
11396 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11397 c_parser_omp_clause_copyprivate,
11398 c_parser_omp_clause_default,
11399 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11400 c_parser_omp_clause_lastprivate,
11401 c_parser_omp_clause_nowait,
11402 c_parser_omp_clause_num_threads,
11403 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11404 c_parser_omp_clause_reduction,
11405 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11406 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11407 c_parser_omp_atomic, c_parser_omp_barrier,
11408 c_parser_omp_critical, c_parser_omp_flush,
11409 c_parser_omp_for_loop, c_parser_omp_for,
11410 c_parser_omp_master, c_parser_omp_ordered,
11411 c_parser_omp_sections_scope, c_parser_omp_sections,
11412 c_parser_omp_parallel, c_parser_omp_single,
11413 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11414 * c-pragma.c (init_pragma): Do omp pragma registration here.
11415 * c.opt (fopenmp): New flag.
11417 2006-01-18 Eric Christopher <echristo@apple.com>
11419 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11420 * config/darwin.h (GOMP_SELF_SPECS): Define.
11422 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11424 * rtl.h: Remove the prototype for reg_alloc.
11426 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11429 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11430 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11431 sjlj and dwarf2 exception handling.
11432 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11433 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11434 * pa/pa.c (function_value): Treat complex and vector types as
11436 (function_arg): Likewise. Only pass scalar floats in the floating
11437 point argument registers.
11438 * pa/t-slibgcc-dwarf-ver: New file.
11439 * pa/t-slibgcc-sjlj-ver: New file.
11440 * pa/t-slibgcc-elf-ver: Delete file.
11442 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11444 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11445 unlikely_test_section_p test.
11447 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11449 * mode-switching.c (optimize_mode_switching): Make it static.
11450 * basic-block.h: Remove the prototype for
11451 optimize_mode_switching.
11453 * modulo-sched.c (sms_schedule): Make it static.
11454 * rtl.h: Remove the prototype for sms_schedule.
11456 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11457 * rtl.h: Remove the prototype for gcse_after_reload_main.
11459 * reg-stack.c (reg_to_stack): Make it static.
11460 * rtl.h: Remove the prototype for reg_to_stack.
11462 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11464 * rtl.h: Remove the prototypes for regrename_optimize and
11465 copyprop_hardreg_forward.
11467 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11469 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11470 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11471 Test against the appropriate null constant for the mode.
11472 If 'fixup_overlap' is true, swap the operands if they overlap.
11473 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11474 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11475 alpha_split_tmode_pair and adjust for above change.
11476 * config/alpha/alpha.md (movtf_internal): Adjust call to
11477 alpha_split_tfmode_pair and rely on it to swap the operands.
11478 (movti_internal): New insn and post-reload splitter.
11479 (movti): New expander.
11481 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11483 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11486 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11488 * rtlanal.c (global_reg_mentioned_p_1,
11489 global_reg_mentioned_p): Remove.
11490 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11492 * flow.c (initialize_uninitialized_subregs): Make it static.
11493 * rtl.h: Remove the prototype for
11494 initialize_uninitialized_subregs.
11496 * function.c (instantiate_virtual_regs): Make it static.
11497 * function.h: Remove the prototype for
11498 instantiate_virtual_regs.
11500 * regmove.c (regmove_optimize, combine_stack_adjustments):
11502 * rtl.h: Remove the prototypes for regmove_optimize and
11503 combine_stack_adjustments.
11505 2006-01-17 Roger Sayle <roger@eyesopen.com>
11507 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11508 (size_cost): Encode costs in bytes so that a reg-reg addition is
11509 equivalent to COSTS_N_INSNS(1).
11510 (override_options): Use the size_cost.branch_cost as the default
11511 ix86_branch_cost when optimizing for size.
11513 2006-01-18 Ben Elliston <bje@au.ibm.com>
11515 * Makefile.in (D32PBIT_FUNCS): New.
11516 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11517 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11518 D64PBIT_FUNCS and D128PBIT_FUNCS.
11519 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11520 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11522 (decnumber_dep): Define.
11523 * doc/libgcc.texi (Decimal float library routines): New node.
11524 * config/dfp-bit.h, config/dfp-bit.c: New files.
11526 2006-01-18 Ben Elliston <bje@au.ibm.com>
11528 * expr.c (emit_move_change_mode): Always adjust addresses, not
11529 just during reload. Copy replacements only during reload.
11530 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11531 emit_move_via_integer.
11533 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11535 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11536 instead of $(srcdir) and ${srcdir}.
11538 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11541 PR middle-end/11135
11542 * arm.h (struct machine_function): Add pic_reg.
11543 * arm.c (arm_pic_register): Make unsigned.
11544 (arm_override_options): Only set arm_pic_register if
11545 TARGET_SINGLE_PIC_BASE.
11546 (use_return_insn): Only test for a pic register if it is fixed.
11547 (arm_compute_save_reg0_reg12_mask): Likewise.
11548 (thumb_compute_save_reg_mask): Likewise.
11549 (legitimate_pic_operand): Factor out some known invariants.
11550 (legitimize_pic_address): If we don't have a fixed pic register,
11551 then set up a pseudo in the function entry sequence. Handle the
11552 pic base being in a pseudo.
11553 (arm_load_pic_register): Handle the pic register being in a pseudo.
11554 (arm_expand_prologue): Only set up the pic register if it is fixed.
11555 (thumb_expand_prologue): Likewise.
11556 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11557 (pic_load_addr_based_insn): Likewise.
11558 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11561 2006-01-18 Ben Elliston <bje@au.ibm.com>
11563 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11564 decimal float modes for all floating point registers.
11566 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11567 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11569 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11572 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11573 even when the pointer is not NULL.
11575 2006-01-16 Ian Lance Taylor <ian@airs.com>
11577 * common.opt (ftoplevel-reorder): New option.
11578 * cgraph.c (cgraph_asm_nodes): New global variable.
11579 (cgraph_asm_last_node): New static variable.
11580 (cgraph_order): New global variable.
11581 (cgraph_create_node): Set new order field.
11582 (cgraph_varpool_node): Likewise.
11583 (decide_is_variable_needed): Return true if not
11584 flag_toplevel_reorder.
11585 (cgraph_add_asm_node): New function.
11586 * cgraph.h (struct cgraph_node): Add order field.
11587 (struct cgraph_varpool_node): Add order field.
11588 (struct cgraph_asm_node): Define.
11589 (cgraph_asm_nodes, cgraph_order): Declare.
11590 (cgraph_add_asm_node): Declare.
11591 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11593 (cgraph_varpool_assemble_pending_decls): Call it.
11594 (cgraph_output_pending_asms): New static function.
11595 (cgraph_finalize_compilation_unit): Call it.
11596 (struct cgraph_order_sort): Define.
11597 (cgraph_output_in_order): New static function.
11598 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11599 !flag_toplevel_reorder case.
11600 * c-parser.c: Include "cgraph.h".
11601 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11603 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11604 than -fno-unit-at-a-time.
11605 * doc/invoke.texi (Option Summary): Mention
11606 -fno-toplevel-reorder.
11607 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11608 -funit-at-a-time documentation.
11610 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11611 Kazu Hirata <kazu@codesourcery.com>
11613 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11615 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11617 * Makefile.in (FUNCTION_H): New. Use it instead of
11618 function.h throughout the file.
11619 * function.h: Include tree.h.
11621 2006-01-17 Ben Elliston <bje@au.ibm.com>
11623 * recog.c: Separate some functions with whitespace.
11625 2006-01-16 Richard Henderson <rth@redhat.com>
11627 Merge from gomp branch:
11628 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11629 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11630 and rename from struct inline_data. Rename callee* to dst*;
11631 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11632 transform_new_cfg, transform_return_to_modify, and
11633 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11635 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11636 (copy_decl_for_dup): Remove.
11637 * tree-inline.c (struct inline_data): Move to header.
11638 (insert_decl_map): Export.
11639 (remap_decl): Update for member name changes. Use copy_decl hook.
11640 Allow for replacement to be a non-decl. Remove dead code.
11641 (remap_type_1): Check for existing mapping.
11642 (remap_type): Export.
11643 (remap_decls): Update for member name changes.
11644 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11645 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11646 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11647 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11648 (tree_function_versioning, build_duplicate_type): Likewise.
11649 (copy_body_r): Likewise. Export.
11650 (copy_decl_for_dup): Split into ...
11651 (copy_decl_for_dup_finish, copy_decl_to_var,
11652 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11653 (replace_ref_tree, inlining_p): Remove.
11655 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11657 * ifcvt.c (if_convert): Make it static.
11658 * rtl.h: Remove the prototype for if_convert.
11660 * local-alloc.c (local_alloc): Make it static.
11661 * rtl.h: Remove the prototype for local_alloc.
11663 * loop.c (loop_optimize): Make it static.
11664 * cfgloop.h: Remove the prototype for loop_optimize.
11667 2006-01-16 DJ Delorie <dj@redhat.com>
11669 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11672 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11674 * pa.md: Disparage copies between general and floating-point registers
11675 in 32-bit move patterns.
11677 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11680 * Makefile.in (check-%): Depend on site.exp instead of
11681 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11684 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11686 * global.c (global_alloc): Make it static.
11687 * rtl.h: Remove the prototype for global_alloc.
11689 2006-01-16 Richard Guenther <rguenther@suse.de>
11691 * tree-ssa-alias.c (struct used_part): Add write_only field.
11692 (get_or_create_used_part_for): Initialize it to true.
11693 (create_overlap_variables_for): Don't create structure variables
11694 for structures that only are written to.
11695 (find_used_portions): Handle MODIFY_EXPR to track whether a
11696 structure is only written to.
11698 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11700 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11702 * basic-block.h: Remove the prototype for
11703 partition_hot_cold_basic_blocks.
11705 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11707 * cppspec.c (lang_specific_spec_functions): Remove.
11708 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11709 * gcc.h (lang_specific_spec_functions): Remove.
11710 * gccspec.c (lang_specific_spec_functions): Remove.
11712 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11714 * combine.c (record_value_for_reg): Invalidate registers
11716 (record_dead_and_set_regs_1): Likewise, by passing them to
11717 record_value_for_reg.
11718 (record_dead_and_set_regs): Invalidate stores made by a
11719 call. We do not combine across a call, but we still
11720 relied on equivalences.
11722 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11724 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11725 vrp_int_const_binop returning non-constant nodes.
11727 2006-01-16 Paul Brook <paul@codesourcery.com>
11729 * config/m68k/m68k.c (output_move_const_into_data_reg):
11730 Output correct mnemonic for mvz and mvs.
11732 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11734 * rtl-factoring.c: Add sequence abstraction algorithm.
11735 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11736 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11738 (block_has_preserve_label): New function.
11739 * common.opt: Register new pass.
11740 * Makefile.in: Ditto.
11742 * timevar.def: Ditto.
11743 * tree-pass.h: Ditto.
11744 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11745 * rtl.h (make_jump_insn_raw): Add forward decl.
11746 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11748 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11749 Roger Sayle <roger@eyesopen.com>
11751 * fold-const.c (fold_minmax): New static function.
11752 (fold_binary) <MIN_EXPR>: Call it.
11753 <MAX_EXPR>: Likewise.
11754 * stor-layout.c (place_field): Use DECL_SIZE consistently
11755 in the computation of the new record size.
11757 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11759 * cse.c (cse_condition_code_reg): Make it static.
11760 * rtl.h: Remove the prototype for cse_condition_code_reg.
11762 * combine.c (combine_instructions): Make it static.
11763 * rtl.h: Remove the prototype for combine_instructions.
11765 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11768 * tree.c (get_file_function_name_long): Concatenate the first global
11769 object name with a string derived from the input filename of the object
11772 2006-01-16 Ben Elliston <bje@au.ibm.com>
11774 * config/i386/winnt-stubs.c: Update FSF address.
11775 * config/xtensa/ieee754-df.S: Ditto.
11776 * config/xtensa/ieee754-sf.S: Ditto.
11778 2006-01-14 Ian Lance Taylor <ian@airs.com>
11780 * ifcvt.c (noce_init_if_info): New static function, broken out of
11781 noce_process_if_block.
11782 (noce_process_if_block): Call noce_init_if_info.
11783 (check_cond_move_block): New static function.
11784 (cond_move_process_if_block): New static function.
11785 (process_if_block): Call cond_move_process_if_block.
11787 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11789 * cselib.c (hash_table): Rename to cselib_hash_table.
11790 (cselib_clear_table, discard_useless_values,
11791 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11792 cselib_init, cselib_finish): Adjust uses of hash_table.
11794 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11796 PR tree-optimization/25485
11797 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11798 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11799 is known to be false and true, respectively.
11801 2006-01-14 Richard Guenther <rguenther@suse.de>
11803 PR tree-optimization/22548
11804 PR tree-optimization/22555
11805 PR tree-optimization/22501
11806 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11807 * params.def (salias-max-array-elements): New parameter.
11808 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11809 * doc/invoke.texi (salias-max-array-elements): Document.
11810 * tree-flow-inline.h (var_can_have_subvars): We also handle
11812 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11814 * tree-ssa-structalias.c (params.h): Include.
11815 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11816 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11817 (get_constraint_for): For ADDR_EXPR operating on something
11818 containing an ARRAY_REF, add all subvars to the solution.
11819 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11820 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11821 for creating MUST_DEFs.
11822 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11824 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11826 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11828 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11829 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11830 number_of_iterations_le): New functions.
11831 (number_of_iterations_special): Removed.
11832 (number_of_iterations_exit): Do not use number_of_iterations_special.
11833 * tree.c (unsigned_type_for): Always return integer type.
11835 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11836 Richard Guenther <rguenther@suse.de>
11838 PR rtl-optimization/24257
11839 * gcse.c (find_moveable_store): Only consider a store movable
11840 when the SET_SRC of the insn can be assigned to a register.
11842 2006-01-14 Ian Lance Taylor <ian@airs.com>
11844 * tree.c (tree_not_class_check_failed): New function.
11845 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11846 (tree_not_class_check_failed): Declare.
11848 2006-01-13 Ian Lance Taylor <ian@airs.com>
11850 * reload1.c (do_output_reload): Add assertion rejecting a
11853 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11855 * combine.c (struct reg_stat): Add new fields truncation_label and
11857 (record_value_for_reg): Reset truncated_to_mode.
11858 (record_truncated_value): New function.
11859 (check_promoted_subreg): Call it. Rename to check_conversions.
11860 (combine_instructions): Rename check_promoted_subreg to
11862 (reg_truncated_to_mode): New function.
11863 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11864 (gen_lowpart_or_truncate): New function.
11865 (force_to_mode): Use it instead of gen_lowpart.
11867 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11869 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11870 VAR is a tag, not its type tag.
11872 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11874 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11875 alternatives to match style of other entries.
11876 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11878 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11880 PR tree-optimization/25771
11881 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11884 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11887 * tree-inline.c (declare_return_variable): If the return variable
11888 was marked as a non gimple complex, set the return slot variable
11889 to be a non gimple comple variable.
11891 2006-01-13 Richard Guenther <rguenther@suse.de>
11893 * builtins.c (expand_builtin_sincos): New function.
11894 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11896 (expand_builtin): Expand sincos using expand_builtin_sincos.
11898 2006-01-12 DJ Delorie <dj@redhat.com>
11900 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11901 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11902 so that constant shifts can be split.
11903 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11904 (m32c_valid_pointer_mode): Make static.
11905 (shift_gen_func_for): New.
11906 (m32c_prepare_shift): Use it. Split large const shifts into
11908 * config/m32c/predicates.md (shiftcount_operand): Allow more
11910 (longshiftcount_operand): New.
11911 * doc/md.texi (Machine Constraints): Document In6.
11913 2006-01-13 Ben Elliston <bje@au.ibm.com>
11915 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11916 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11919 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11921 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11922 to try to avoid clobbering pieces of structures when we know
11923 something about the whole structure.
11924 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11926 2006-01-13 Ben Elliston <bje@au.ibm.com>
11928 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11929 return in memory, as this is no limitation is no longer present.
11931 2006-01-12 DJ Delorie <dj@redhat.com>
11933 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11934 mova with fb, and for fb+0 -> An.
11936 * config/m32c/mov.md (peephole2): Fix enabling logic.
11938 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11939 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11940 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11941 FINI_ARRAY_SECTION_ASM_OP): Define.
11943 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11945 (m32c_legitimize_reload_address): New logic to reload FB to An.
11946 (m32c_output_reg_push): Add newline.
11947 (m32c_output_reg_pop): Likewise.
11949 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11951 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11953 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11955 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11957 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11959 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11962 2006-01-11 Ben Elliston <bje@au.ibm.com>
11964 * rtlanal.c (find_reg_note): Assert insn is not null.
11966 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11968 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11971 2006-01-11 Jeff Law <law@redhat.com>
11973 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11975 (mark_threaded_blocks, register_jump_thread): New functions.
11976 (thread_through_all_blocks): Remove unwanted argument. No
11977 longer rely on e->aux to communicate thread target info.
11978 Call mark_threaded_blocks. Release the threaded_blocks
11979 bitmap and threaded_edges vector when complete.
11980 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11981 (threaded_blocks): Remove.
11982 (tree_ssa_dominator_optimize): Remove initialization and
11983 finalization of threaded_blocks. Simplify call to
11984 thread_through_all_blocks.
11985 (thread_across_edge): Call register_jump_thread rather than
11986 storing thread information into e->aux.
11987 (free_all_edge_infos): Simplify now that e->aux is no longer
11988 used to communicate with thread_through_all_blocks.
11989 * tree-flow.h (thread_through_all_blocks): Update prototype.
11990 (register_jump_thread): Prototype.
11992 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11994 * df-core.c (df_compact_blocks, df_bb_replace): Use
11995 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11997 2006-01-11 Richard Guenther <rguenther@suse.de>
11999 PR tree-optimization/25734
12000 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12001 stop propagation after successful propagation to the LHS.
12003 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12005 * basic-block.h (control_flow_graph): Change the type of
12006 x_basic_block_info to VEC(basic_block,gc) *.
12007 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12009 (SET_BASIC_BLOCK): New.
12010 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12011 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12012 * cfgbuild.c (find_basic_blocks): Likewise.
12013 * cfglayout.c (fixup_reorder_chain): Likewise.
12014 * cfgrtl.c (create_basic_block_structure,
12015 rtl_create_basic_block): Likewise.
12016 * ifcvt.c (find_if_case_1): Likewise.
12017 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12020 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12022 * Makefile.in: Removed rotted odf.c entry.
12024 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12027 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12028 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12029 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12030 output pattern modifier, not %e.
12031 * config/cris/cris.c (cris_op_str): Update comment about pattern
12033 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12034 before falling through into...
12035 <case 'E'>: Redefined from old 'e' case.
12037 2006-01-11 Jan Hubicka <jh@suse.cz>
12040 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12042 2006-01-11 Jan Hubicka <jh@suse.cz>
12044 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12045 * i386.c (x86_decompose_lea): Kill.
12046 (ix86_rtx_costs): Kill.
12048 2006-01-11 Jan Hubicka <jh@suse.cz>
12050 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12051 * cgraph.h (cgraph_node): Add inline_decl.
12052 (cgraph_insert_node_to_hashtable): Declare.
12053 (save_inline_function_body): Declare.
12054 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12056 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12057 (cgraph_function_versioning): Update call of tree_function_versioning.
12058 (save_inline_function_body): New function.
12059 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12060 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12061 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12062 (cgraph_default_inline_p): Likewise.
12063 (cgraph_decide_inlining_incrementally): Likewise.
12064 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12065 (copy_bb): Kill saving; do updating of clones.
12066 (copy_cfg_body): Kill saving.
12067 (initialize_inlined-parameters): Likewise.
12068 (expand_call_inline): Likewise.
12070 (tree_function_versioning): New parameter "update_clones".
12071 (inlining_p): Kill saving.
12072 * tree-inline.h (tree_function_versioning): Update prototype.
12073 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12076 2006-01-11 Ian Lance Taylor <ian@airs.com>
12078 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12079 Allow undoing set of machine mode.
12080 (do_SUBST): Use enums instead of is_int.
12081 (do_SUBST_MODE): New function.
12082 (SUBST_MODE): New macro.
12083 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12084 reg and trying to replace reg_regno_rtx with a new register.
12085 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12086 (simplify_set): Use SUBST_MODE.
12087 (distribute_notes): Remove code that tried to update reg notes
12088 for regno_reg_rtx changes.
12090 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12092 PR tree-optimization/23109
12093 PR tree-optimization/23948
12094 PR tree-optimization/24123
12096 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12097 * tree-cfg.c (single_noncomplex_succ): New.
12098 * tree-flow.h (single_noncomplex_succ): Declare it.
12099 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12100 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12101 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12102 insert_bb, register_division_in, insert_reciprocals,
12103 replace_reciprocal, free_bb): New.
12104 (execute_cse_reciprocals_1): Rewritten.
12105 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12106 Do not commit any edge insertion. Always compute dominators and
12107 create the allocation pool.
12108 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12109 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12110 * targhooks.c (default_min_divistions_for_recip_mul): New.
12111 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12112 * passes.c (init_optimization_passes): Run recip after tree loop
12114 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12116 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12117 Kenneth Zadeck <zadeck@naturalbridge.com>
12119 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12120 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12121 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12122 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12123 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12124 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12125 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12126 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12127 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12128 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12129 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12130 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12131 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12132 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12133 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12134 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12135 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12136 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12137 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12138 DF_SCAN_POST_ALLOC): New macros.
12139 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12140 df_free_bb_function, df_local_compute_function, df_init_function,
12141 df_dataflow_function, df_confluence_function_0,
12142 df_confluence_function_n, df_transfer_function,
12143 df_finalizer_function, df_free_function, df_dump_problem_function,
12144 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12145 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12146 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12147 df_urec_bb_info, ) New types.
12148 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12150 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12151 df_analyze_simple_change_some_blocks,
12152 df_analyze_simple_change_one_block, df_compact_blocks,
12153 df_bb_replace, df_bb_regno_last_use_find,
12154 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12155 df_insn_regno_def_p, df_find_def, df_find_use,
12156 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12157 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12158 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12159 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12160 debug_df_chain, df_get_dependent_problem, df_chain_create,
12161 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12162 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12163 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12164 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12165 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12166 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12167 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12168 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12169 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12170 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12171 df_reorganize_refs, df_set_state, df_hard_reg_init,
12172 df_read_modify_subreg_p) New public functions.
12173 * df-core.c: The core dataflow solver and glue routines for rtl
12175 (df_init, df_add_problem, df_set_blocks, df_finish,
12176 df_hybrid_search_forward, df_hybrid_search_backward,
12177 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12178 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12179 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12180 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12181 df_reg_defined, df_find_use, df_reg_used, df_dump,
12182 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12183 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12184 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12185 debug_df_useno, reset_df_after_reload): New functions.
12186 * df-scan.c: The scanning fuctions, once in df.c, completely
12187 rewritten so that they now fully model the functionality of
12188 register usage at the backend.
12189 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12190 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12191 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12192 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12193 df_get_artificial_defs, df_get_artificial_uses,
12194 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12195 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12196 df_refs_delete, df_reorganize_refs, df_set_state,
12197 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12198 df_def_record_1, df_defs_record, df_uses_record,
12199 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12200 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12201 df_record_exit_block_uses, df_hard_reg_init): New functions.
12203 * df-problems.c: Seven concrete dataflow problems that use the
12204 scanning in df-scan.c and are solved by the engine in df-core.c.
12205 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12206 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12207 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12208 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12209 df_ru_free_bb_info, df_ru_alloc,
12210 df_ru_bb_local_compute_process_def,
12211 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12212 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12213 df_ru_transfer_function, df_ru_free, df_ru_dump,
12214 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12215 df_rd_free_bb_info, df_rd_alloc,
12216 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12217 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12218 df_rd_transfer_function, df_rd_free, df_rd_dump,
12219 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12220 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12221 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12222 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12223 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12224 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12225 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12226 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12227 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12228 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12229 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12230 df_urec_mark_reg_use_for_earlyclobber,
12231 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12232 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12233 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12234 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12235 df_chain_create_bb_process_use, df_chain_create_bb,
12236 df_chain_finalize, df_chain_free, df_chains_dump,
12237 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12238 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12239 df_reg_lifetime): New functions.
12240 * df.c: Deleted file.
12241 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12242 consistent with new df api.
12243 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12244 rest_of_handle_sms): Ditto.
12245 * web.c (unionfind_union, union_defs, entry_register, web_main):
12247 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12248 invariant_expr_equal_p, find_defs, check_dependencies,
12249 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12250 free_inv_motion_data, move_loop_invariants): Ditto.
12251 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12252 Update dependencies.
12253 (odf.c): Added defective entry that was deleted later in day.
12254 * sched-deps.c (sched_analyze_1): Ditto.
12256 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12258 * tree-ssa-operands.c (get_expr_operands): Record addressable
12259 variables directly. Do not call add_stmt_operands for CONST_DECLs
12261 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12262 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12264 2006-01-11 Ben Elliston <bje@au.ibm.com>
12266 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12267 function returns true in the positive case.
12269 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12272 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12273 for SI, DI, SF and DF modes. Add alternatives to copy between
12274 general and floating point registers to the 32-bit patterns.
12275 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12276 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12277 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12278 generating 64-bit code.
12279 * config/pa/pa.c (output_move_double): Handle copies between general
12280 and floating registers.
12282 2006-01-10 Stuart Hastings <stuart@apple.com>
12284 * config/i386/i386.md (set_got): Update.
12285 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12286 (builtin_setjmp_receiver): Mach-O support.
12287 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12288 (GOT_SYMBOL_NAME): Define.
12289 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12290 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12291 * config/i386/i386.c (override_options): Revise for Darwin.
12292 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12293 support. (darwin_x86_file_end): New. (output_set_got): Add label
12294 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12295 * config/i386/i386-protos.h (output_set_got): Likewise.
12296 * config/darwin.c (machopic_legitimize_pic_address): Update
12299 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12301 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12302 when MODE isn't BLKmode.
12304 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12306 PR rtl-optimization/25367
12307 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12309 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12312 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12313 for a negative bound.
12315 2006-01-10 Richard Guenther <rguenther@suse.de>
12317 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12318 Never override with anything constraint.
12320 2006-01-10 Jan Beulich <jbeulich@novell.com>
12322 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12323 256 bits when optimize_size.
12325 2006-01-10 Jan Beulich <jbeulich@novell.com>
12327 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12329 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12330 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12333 2006-01-10 Ben Elliston <bje@au.ibm.com>
12335 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12337 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12338 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12339 (USE_FP_FOR_ARG): Reject decimal float modes.
12340 (function_arg_advance): Likewise.
12341 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12342 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12343 point types in AltiVec vectors.
12344 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12345 (rs6000_libcall_value): Likewise.
12347 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12349 * config/xtensa/ieee754-df.S: New file.
12350 * config/xtensa/ieee754-sf.S: New file.
12351 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12352 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12353 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12355 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12357 * config/sh/predicates.md (binary_float_operator,
12358 binary_logical_operator, commutative_float_operator,
12359 equality_comparison_operator, greater_comparison_operator,
12360 less_comparison_operator, logical_operator,
12361 noncommutative_float_operator, shift_operator,
12362 symbol_ref_operand, unary_float_operator): Remove redundant
12365 2006-01-09 Jeff Law <law@redhat.com>
12367 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12368 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12369 now unused arguments. Callers updated.
12370 (eliminate_redundant_computations): Remove now unused arguments,
12372 (local_fold): Remove, no longer used.
12373 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12375 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12376 (simplify_cond): New function.
12377 (forward_propagate_into_cond): Call simplify_cond.
12379 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12381 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12382 (*vec_extractv2di_1_sse): New.
12384 2006-01-09 Ben Elliston <bje@au.ibm.com>
12386 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12388 2006-01-08 Richard Guenther <rguenther@suse.de>
12390 * tree-ssa-structalias.c (get_constraint_for): Remove
12391 anyoffset argument.
12392 (get_constraint_for_component_ref): Likewise.
12393 (do_deref): Likewise.
12394 (get_constraint_for): Likewise.
12395 (do_structure_copy): Likewise.
12396 (handle_ptr_arith): Likewise.
12397 (find_func_aliases): Likewise. Remove unused need_anyoffset
12400 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12401 Kaz Kojima <kkojima@gcc.gnu.org>
12403 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12404 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12405 (EXTRA_CONSTRAINT_C16): Remove.
12406 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12407 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12408 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12409 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12410 constants of SHmedia. Handle nested constant expressions of
12412 (andcosts): Fix the costs for SHmedia constants.
12413 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12414 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12415 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12416 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12417 (movv4hi_i, movv2si_i): Likewise.
12418 (movsi_const): Adjust the second operand of ior so to match with
12419 the Csu constraint.
12420 (movdi_const, movdi_const_32bit): Likewise.
12421 (movdi_const_16bit+1): Don't sign-extend LOW.
12422 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12424 (*double_shori): Fix the split condition. Use GEN_INT instead
12425 of get_int_mode calls. Mask lower 16-bit of the argument of
12427 (sym2GOTPLT): Remove.
12428 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12430 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12431 instead of EXTRA_CONSTRAINT_C16.
12433 2006-01-07 Ian Lance Taylor <ian@airs.com>
12434 David Edelsohn <edelsohn@gnu.org>
12436 PR rtl-optimization/25662
12437 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12438 for constant operands instead of simplify_gen_binary.
12439 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12440 after trying simplify_binary_operation
12442 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12444 * tree.c (iterative_hash_expr): Hash decls based on UID.
12446 2006-01-06 Eric Christopher <echristo@apple.com>
12448 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12449 (TARGET_UNWIND_EMIT): Fix spelling.
12450 * target.h (gcc_target): Add except_table_label.
12451 * except.c (output_function_exception_table): Use.
12452 * varasm.c (default_emit_except_table_label): New.
12453 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12455 (asm_out): Add here.
12456 * output.h (default_emit_except_table_label): Prototype.
12457 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12458 * config/darwin.c (darwin_emit_except_table_label): Define.
12459 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12461 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12463 PR tree-optimization/18527
12464 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12465 number_of_iterations_special, number_of_iterations_exit):
12466 Move base and step of an iv to a single structure. Add
12467 no_overflow flag, and use it in # of iterations analysis.
12468 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12469 folded_casts argument.
12470 (simple_iv): Pass base and step in a structure. Set no_overflow
12472 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12473 Evaluate expensiveness of computing # of iterations instead of
12474 the final expression.
12475 * tree-scalar-evolution.h (affine_iv): New structure.
12476 (simple_iv): Declaration changed.
12477 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12478 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12479 find_givs_in_stmt): Changed due to simple_iv change.
12481 2006-01-06 Jeff Law <law@redhat.com>
12484 * tree-cfg.c (bsi_replace): Rename final argument from
12485 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12486 change (stmt -> orig_stmt).
12487 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12488 (bsi_remove): Add new argument. Remove EH information
12490 (verify_eh_throw_table_statements): New function.
12491 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12493 * tree-optimize.c (execute_free_cfg_annotations): Verify
12494 the EH throw statement table after removing annotations.
12495 * except.h (verify_eh_throw_table_statements): Prototype.
12496 * tree-flow.h (bsi_remove): Update prototype.
12497 * tree-vrp.c (remove_range_assertions): Add new argument to
12499 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12500 * tree-complex.c (expand_complex_div_wide): Likewise.
12501 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12502 * tree-tailcall.c (eliminate_tailcall): Likewise.
12503 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12504 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12505 * tree-nrv.c (tree_nrv): Likewise.
12506 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12507 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12508 (combine_blocks): Likewise.
12509 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12510 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12511 (cleanup_control_flow): Likewise.
12512 (remove_forwarder_block): Likewise.
12513 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12514 * tree-sra.c (sra_replace): Likewise.
12515 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12516 (forward_propagate_single_use_vars): Likewise.
12517 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12518 * tree-inline.c (expand_call_inline): Likewise.
12519 * tree-vect-transform.c (vect_transform_loop): Likewise.
12520 * tree-outof-ssa.c (rewrite_trees): Likewise.
12521 * tree-cfg.c (make_goto_expr_edges): Likewise.
12522 (cleanup_dead_labels): Likewise.
12523 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12524 (bsi_move_before, bsi_move_after): Likewise.
12525 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12526 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12528 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12531 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12533 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12534 on non gimple variables. Also add checks at the top for decls and
12536 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12538 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12539 and IMAGPART_EXPR for creating MUST_DEFs.
12540 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12541 and NAME_MEMORY_TAG separately from the DECLs.
12543 2006-01-06 Richard Guenther <rguenther@suse.de>
12545 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12546 annotation, if necessary.
12547 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12548 redundant calls to update_stmt.
12549 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12552 2006-01-05 Richard Henderson <rth@redhat.com>
12554 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12556 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12558 * c-typeck.c: Update copyright date.
12560 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12562 * c-typeck.c (build_c_cast): Always warn when casting
12563 from a pointer to an integer of different size, even if
12564 the node was constant.
12566 2006-01-05 Richard Guenther <rguenther@suse.de>
12568 PR tree-optimization/22555
12569 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12570 if one structure field is an array.
12571 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12572 operands even if we found a subvar, but ignore VOPs in this
12574 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12576 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12578 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12580 PR middle-end/24998
12581 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12583 2006-01-05 Richard Guenther <rguenther@suse.de>
12584 Diego Novillo <dnovillo@redhat.com>
12586 * tree-pass.h (TODO_remove_unused_locals): Define.
12587 * gimple-low.c (expand_var_p, remove_useless_vars,
12588 pass_remove_useless_vars): Remove. Update all users.
12589 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12590 (remove_unused_locals): New function.
12591 * tree-flow.h (remove_unused_locals): Declare.
12592 * passes.c (execute_todo): Call remove_unused_locals if
12593 TODO_remove_unused_locals is set.
12594 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12595 * tree-ssa-dce.c (pass_dce): Likewise.
12596 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12598 2006-01-05 Richard Guenther <rguenther@suse.de>
12600 * tree-flow.h (struct fieldoff): Decompose field to
12601 type, size and decl.
12602 * tree-ssa-alias.c (create_sft): Take type as parameter.
12603 (create_overlap_variables_for): Store type, size and decl
12604 in the fieldoff structure.
12605 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12606 of struct fieldoff.
12607 (push_fields_onto_fieldstack): Likewise.
12608 (create_variable_info_for): Likewise. Use offset for the
12609 SFT name if the decl is not available.
12611 2006-01-04 Paul Brook <paul@codesourcery.com>
12613 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12615 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12617 * lambda-code.c (can_put_in_inner_loop): Relax
12619 (can_put_after_inner_loop): New function.
12620 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12621 (perfect_nestify): Change to make copies and modify uses.
12623 2006-01-04 Richard Henderson <rth@redhat.com>
12625 Merge from gomp branch:
12626 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12627 via integer constant.
12628 (pragma_lex): Remove.
12629 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12630 rather than parsing it.
12631 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12632 handle_pragma_extern_prefix): Add %< %> quotes.
12633 (registered_pragmas): New.
12634 (c_register_pragma_1): New.
12635 (c_register_pragma): Use it.
12636 (c_register_pragma_with_expansion): Likewise.
12637 (c_invoke_pragma_handler): New.
12638 (init_pragma): Use cpp_register_deferred_pragma directly for
12640 * c-pragma.h (enum pragma_kind): New.
12641 (pragma_handler): New.
12642 (c_invoke_pragma_handler): Declare.
12643 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12645 * c-common.h (c_common_pch_pragma): Update decl.
12646 * Makefile.in (c-parser.o): Update dependencies.
12647 (GTFILES): Add c-pragma.h.
12648 * c-parser.c (struct c_token): Add pragma_kind.
12649 (struct c_parser): Add in_pragma.
12650 (c_lex_one_token): Always initialize keyword and pragma_kind.
12651 Extract data for CPP_PRAGMA.
12652 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12653 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12654 Don't allow CPP_PRAGMA_EOL if in_pragma.
12655 (c_parser_consume_pragma): New.
12656 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12657 (c_parser_skip_to_end_of_parameter): Likewise.
12658 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12659 (c_parser_skip_to_pragma_eol): New.
12660 (c_parser_external_declaration): Handle CPP_PRAGMA.
12661 (c_parser_compound_statement_nostart): Likewise.
12662 (c_parser_statement_after_labels): Likewise.
12663 (c_parser_pragma): New.
12664 (pragma_lex): Likewise.
12665 (c_parser_pragma_pch_preprocess): New.
12666 (c_parser_new): Merge into ...
12667 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12669 2006-01-04 Jeff Law <law@redhat.com>
12672 * tree-cfg.c (bsi_replace): Remove the original statement
12673 from the EH throw statement table.
12675 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12677 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12678 make the prototype extern "C" and add throw ().
12681 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12682 and pos non-negative and pos + len <= 32.
12683 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12684 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12685 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12688 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12689 as well as sizes not multiple of component size.
12692 * function.c (instantiate_expr): New function.
12693 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12694 walk its DECL_VALUE_EXPR with instantiate_expr.
12696 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12697 DW_OP_deref{,_size} if address isn't going to be added.
12699 2006-01-04 Ben Elliston <bje@au.ibm.com>
12701 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12702 * config/fp-bit.c: Likewise.
12704 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12706 * dominance.c: Add comment about why we use DFS numbering
12709 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12710 Richard Henderson <rth@redhat.com>
12712 Merge from gomp-branch:
12713 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12714 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12716 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12718 PR rtl-optimization/25578
12719 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12720 pass a parameter to simplify_shift_const if changing ASHIFTRT
12723 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12725 * builtins.c (get_builtin_sync_mem): New function.
12726 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12727 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12728 Call get_builtin_sync_mem to generate mem rtx.
12730 2006-01-03 Richard Guenther <rguenther@suse.de>
12733 * stmt.c (add_case_node): Make sure to clear overflow flags
12736 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12738 Merge from gomp-branch.
12739 * config/sparc/sync.md: New file.
12740 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12741 UNSPECV_LDSTUB): New constants.
12742 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12743 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12744 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12747 2006-01-03 Roger Sayle <roger@eyesopen.com>
12749 * combine.c (reg_subword_p): New predicate to test whether the
12750 destination of a set refers to a subword/piece of a register.
12751 (try_combine): Generalize the code to merge the setting of a
12752 pseudo to a constant followed by a set of a subword of that
12753 register to a constant.
12755 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12757 * basic-block.h (control_flow_graph): Change the type of
12758 x_label_to_block_map to VEC(basic_block,gc) *.
12759 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12760 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12762 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12763 VEC(basic_block,heap) *.
12764 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12765 ssa_prop_fini): Adjust the uses of cfg_blocks.
12767 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12769 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12771 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12772 hashing trees instead of a pointer hash.
12773 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12774 compare for MEM_EXPR.
12776 PR rtl-optimization/25130
12777 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12778 when comparing MEMs for GCSE
12780 2006-01-03 Ben Elliston <bje@au.ibm.com>
12782 * targhooks.h (default_decimal_float_supported_p): Declare.
12783 * targhooks.c (default_decimal_float_supported_p): Define.
12784 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12785 `default_decimal_float_supported_p'.
12786 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12788 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12790 * combine.c (apply_distributive_law <SUBREG>): Check
12791 TRULY_NOOP_TRUNCATION.
12793 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12795 * dwarf2out.c (have_switched_text_section): Delete.
12796 (have_multiple_function_sections): New.
12797 (have_location_lists): Make 'bool'.
12798 (add_AT_loc_list): Use 'true' not '1'.
12799 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12800 (output_loc_list): Use have_multiple_function_sections.
12801 (output_ranges): Likewise.
12802 (dwarf2out_begin_function): Set have_multiple_function_sections if
12804 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12805 Check function_section rather than DECL_SECTION_NAME.
12806 (dwarf2out_finish): Use have_multiple_function_sections.
12807 Don't clear have_location_lists.
12809 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12810 Jan Hubicka <jh@suse.cz>
12812 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12813 case of conditional jump jumping to the next instruction.
12814 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12815 cases of conditional jump jumping to the next instruction.
12817 2006-01-02 Jan Hubicka <jh@suse.cz>
12819 * i386.c (*_cost): Add COSTS_N_INSNS.
12820 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12822 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12825 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12827 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12829 * config/arm/arm.c (all_fpus): Fix comment typo.
12830 * config/darwin.c: Likewise.
12831 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12832 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12833 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12835 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12837 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12838 (rs6000_split_compare_and_swapqhi): New.
12839 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12840 (sync_compare_and_swapqhi_internal): New.
12841 * config/rs6000/rs6000-protos.h: Declare.