1 2006-07-07 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/28187
4 * tree-vrp.c (vrp_operand_equal_p): New function.
5 (vrp_bitmap_equal_p): Likewise.
6 (update_value_range): Use them to compare old and new
9 2006-07-06 Roger Sayle <roger@eyesopen.com>
11 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
12 a default case to switch statement to silence compiler warnings.
14 2006-07-06 Roger Sayle <roger@eyesopen.com>
17 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
18 the configured assembler supports the x87's ffreep mnemonic.
19 * configure: Regenerate.
20 * config.in: Regenerate.
22 * config/i386/i386.c (output_387_ffreep): New function.
23 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
24 (output_387_reg_move): Likewise.
26 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
28 Port to hosts whose 'sort' and 'tail' implementations
29 treat operands with leading '+' as file names, as POSIX
30 has required since 2001. However, make sure the code still
31 works on pre-POSIX hosts.
32 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
33 which says you should use "tail -c +N" rather than "tail +Nc".
34 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
36 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
38 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
41 2006-07-06 David Edelsohn <edelsohn@gnu.org>
44 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
45 PRE_{INC,DEC} of TFmode.
47 2006-07-06 David Edelsohn <edelsohn@gnu.org>
48 Alan Modra <amodra@bigpond.net.au>
51 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
54 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
57 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
60 2006-07-05 Jason Merrill <jason@redhat.com>
64 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
65 * c-common.c (handle_packed_attribute): So don't copy it here.
66 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
68 2006-07-05 Mike Stump <mrs@apple.com>
70 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
72 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
75 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
77 2006-07-05 Richard Guenther <rguenther@suse.de>
80 * config/i386/i386.md (*negdf2_1): Restrict pattern to
81 TARGET_SSE2 targets if using SSE math.
82 (*absdf2_1): Likewise.
84 2006-07-05 Richard Guenther <rguenther@suse.de>
86 PR tree-optimization/28162
87 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
88 make sure to convert the operands to the correct type.
90 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
92 PR tree-optimization/28218
94 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
95 to calculate and free the dominator information.
97 2006-07-04 Peter O'Gorman <peter@pogma.com>
99 * mklibgcc.in: chmod 644 before ranlib during install.
101 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
102 J"orn Rennecke <joern.rennecke@st.com>
104 * configure.ac (.eh_frame data check): Use diff -b.
106 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
109 * Makefile.in (BUILD_RTL): Add build/vec.o.
110 (build/gencondmd.o): Filter out -fkeep-inline-functions.
111 (build/genextract): Delete.
112 (build/genautomata): Likewise.
114 2006-07-04 Alan Modra <amodra@bigpond.net.au>
117 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
118 128-bit IBM long doubles for ABI_V4.
120 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
122 * tree.c (range_in_array_bounds_p): New predicate.
123 * tree.h (range_in_array_bounds_p): Declare it.
124 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
125 return a less conservative answer.
126 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
128 (IS_ELEMENT_FOR_GROUP): New macro.
129 (FOR_EACH_ACTUAL_CHILD): Likewise.
130 (next_child_for_group): New helper function.
131 (can_completely_scalarize_p): Take into account groups.
132 (sra_hash_tree): Handle RANGE_EXPR.
133 (sra_elt_eq): Likewise.
134 (lookup_element): Be prepared for handling groups.
135 (is_valid_const_index): Delete.
136 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
137 instead of is_valid_const_index.
138 <ARRAY_RANGE_REF>: New case.
139 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
140 is_valid_const_index.
141 <ARRAY_RANGE_REF>: Do not unconditionally punt.
142 (scan_dump): Dump info for groups too.
143 (decide_instantiation_1): Likewise.
144 (decide_block_copy): Assert that the element is not a group.
145 Propagate decision to groups.
146 (generate_one_element_ref): Handle RANGE_EXPR.
147 (mark_no_warning): Iterate over actual childs.
148 (generate_copy_inout): Likewise.
149 (generate_element_copy): Likewise.
150 (generate_element_zero): Likewise.
151 (generate_element_init_1): Likewise.
152 (dump_sra_elt_name): Handle RANGE_EXPR.
154 2006-07-03 Roger Sayle <roger@eyesopen.com>
156 PR tree-optimization/26251
157 * tree-ssa-threadupdate.c (redirection_block_p): New function.
158 (thread_block): When optimizing for size refuse to thread jumps
159 that would require duplication of blocks other than redirection
162 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
164 * configure.ac: Fix thinko in previous check-in.
165 * configure: Regenerate.
167 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
170 * configure.ac (for lang...): Simplify nesting of conditionals.
171 Test subdir_requires for non-enabled languages. Move processing
172 of lang_opt_files and lang_tree_fiels below that test.
173 * configure: Regenerate.
174 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
176 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
178 * doc/gcov.texi (Invoking Gcov): Add a missing word.
180 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
182 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
185 2006-06-29 Jason Merrill <jason@redhat.com>
192 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
193 * c-common.c (c_determine_visibility): Handle it here.
194 * c-decl.c (finish_decl): Call c_determine_visibility for
196 * flags.h (enum symbol_visibility): Sort from most to least visibility.
198 * varasm.c (default_assemble_visibility): Likewise.
199 * c-common.c (handle_visibility_attribute): Complain about trying
200 to give visibility to an already defined class, or trying to change
201 declared visibility. Always attach the attribute.
206 * attribs.c (decl_attributes): Ignore type-in-place attributes
207 once the type has been defined.
209 2006-06-29 Roger Sayle <roger@eyesopen.com>
212 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
213 to indicate the cpplib has issued an error message for us.
215 2006-06-29 Asher Langton <langton2@llnl.gov>
218 * config/i386/i386.c (ix86_output_function_epilogue): Don't
219 insert a label at the end of an function under Mach-O.
221 2006-06-29 Eric Christopher <echristo@apple.com>
222 Evan Cheng <evan.cheng@apple.com>
224 * predicates.md (vector_all_ones_operand): New.
225 (nonimmediate_or_sse_const_operand): Ditto.
226 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
227 * config/i386/i386.c (standard_sse_constant_opcode): Define.
228 (standard_sse_mode_p): Ditto.
229 (standard_sse_constant_p): Add case for -1 vector.
230 (ix86_expand_vector_move): Try to use.
231 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
232 Call standard_sse_constant_opcode.
233 (*movv4sf_internal): Ditto.
234 (*movv2df_internal): Ditto.
236 2006-06-29 Roger Sayle <roger@eyesopen.com>
238 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
239 of XEXP to extract the operands of a MATCH_CODE rtx.
241 2006-06-28 Andrew Pinski <pinskia@gmail.com>
243 * tree.c (tree_size): Do not waste tail padding in
244 struct tree_string and make the size be the same as
245 build_string will generate.
247 2006-06-28 Jason Merrill <jason@redhat.com>
250 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
251 may_aliases already in the tag's annotations to the bitmap.
253 2006-06-28 Roger Sayle <roger@eyesopen.com>
255 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
257 2006-06-28 Roger Sayle <roger@eyesopen.com>
259 * genpreds.c (generate_switch_p): New function.
260 (add_mode_tests): Push the new mode test down inside an AND expr
261 if this allows the switch-suitable MATCH_CODE to be near the root.
262 (write_match_code_switch): New function to write a MATCH_CODE as
264 (write_predicate_stmts): New function to write a predicate RTX
265 expression as a sequence of statements.
266 (write_one_predicate_function): Use write_predicate_stmts.
267 (write_tm_constrs_h): Likewise.
269 2006-06-26 Fred Fish <fnf@specifix.com>
271 * config/mips/t-sb1: New file.
272 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
275 2006-06-26 DJ Delorie <dj@redhat.com>
277 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
279 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
280 Jayant Sonar <jayants@kpitcummins.com>
281 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
283 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
284 (subsi3, subsi3_1, subsi3_2): New.
285 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
286 * config/m32c/mov.md (SI mov peephole): New.
287 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
288 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
290 2006-06-26 Olivier Hainque <hainque@adacore.com>
292 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
293 a CALL_EXPR target function declaration.
295 2006-06-26 Richard Guenther <rguenther@suse.de>
297 * tree.c (build_string): Do not waste tail padding in
300 2006-06-26 Richard Guenther <rguenther@suse.de>
302 * ggc-page.c (init_ggc): Add missing element to size_lookup
306 2006-06-23 Richard Guenther <rguenther@suse.de>
308 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
309 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
310 alignment requests instead. Add verification code.
311 Add struct tree_function_decl and struct tree_binfo size to
312 extra_order_size_table. Add missing element to size_lookup
315 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
318 * fold-const.c (const_binop): Be prepared for self returning zero.
319 Simplify code handling complex values.
321 2006-06-24 Olivier Hainque <hainque@adacore.com>
323 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
324 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
327 2006-06-24 Olivier Hainque <hainque@adacore.com>
329 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
330 ARRAY_REF, so have the callback called for the low bound expression.
332 2006-06-23 Janis Johnson <janis187@us.ibm.com>
334 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
335 * c-typeck.c (c_common_type): Disallow operations on decimal float
336 types and other float types.
337 * convert.c (convert_to_real): Don't ignore conversions involving
340 2006-06-23 Olivier Hainque <hainque@adacore.com>
342 * tree.c (max_int_size_in_bytes): New function, inspired from
343 code in function.c:assign_temp.
344 * tree.h (max_int_size_in_bytes): Declare.
345 * function.c (assign_temp): Use it.
346 * gimplify.c (create_tmp_var): Relax the assertions on the type
347 properties, not mandating constant size any more.
348 (force_constant_size): New static function.
349 (gimple_add_tmp_var): Use it, forcing variable size to a
350 constant upper bound if it is not constant on entry.
352 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
355 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
356 for initialization and setting of one_only flag to ...
357 (i386_pe_encode_section_info): ...here.
358 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
359 Recheck that the symbol has not been defined.
361 2006-06-23 Richard Guenther <rguenther@suse.de>
363 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
364 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
365 alignment requests instead. Add verification code.
366 Add struct tree_function_decl and struct tree_binfo size to
367 extra_order_size_table. Add missing element to size_lookup
370 2006-06-22 Roger Sayle <roger@eyesopen.com>
371 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
374 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
375 call to lang_hooks.types.type_for_mode returned NULL_TREE.
377 2006-06-23 Ben Elliston <bje@au.ibm.com>
379 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
380 negate dn -- manipulate it directly.
382 2006-06-22 Roger Sayle <roger@eyesopen.com>
383 Steven Bosscher <stevenb.gcc@gmail.com>
386 * reload1.c (gen_reload): Call mark_jump_label on the new insns
387 generated by gen_move_insn to add REG_LABEL notes if necessary.
389 2006-06-22 Bob Wilson <bob.wilson@acm.org>
391 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
392 (leaf_entry): Remove use of MIN_ESA.
394 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
396 PR rtl-optimization/28121
397 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
400 2006-06-21 DJ Delorie <dj@redhat.com>
402 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
404 (mulhisi3_r): Likewise.
406 2006-06-21 Richard Sandiford <richard@codesourcery.com>
409 * coverage.c (coverage_counter_alloc): Leave the index type
411 (coverage_counter_alloc): Use null arguments for operands 2 and 3
414 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
416 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
417 section from the "Options for Code Generation Conventions".
419 2006-06-21 Richard Henderson <rth@redhat.com>
423 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
425 (global_symbolic_operand): Allow weak symbols, even if local_p.
427 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
429 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
430 (find_interesting_uses_address): Punt if above function returns true.
432 2006-06-21 Richard Guenther <rguenther@suse.de>
434 * configure: Regenerated.
436 2006-06-21 Joseph Myers <joseph@codesourcery.com>
438 * config/mips/mips.c (function_arg): Where one part of a
439 complex argument is in registers and the other part in the stack,
440 return a REG not a PARALLEL.
442 2006-06-21 Mark Mitchell <mark@codesourcery.com>
444 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
445 when cross-compiling. Do not substitute libstdcxx_incdir.
446 * configure: Regenerated.
448 2006-06-21 Jakub Jelinek <jakub@redhat.com>
450 * varasm.c (mergeable_string_section): Check for embedded NULs and
451 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
452 rather than TREE_STRING_LENGTH bytes.
454 2006-06-21 Richard Guenther <rguenther@suse.de>
456 * ggc-page.c (extra_order_size_table): Add var_ann_d,
457 tree_ssa_name, bitmap_element and phi_node with 4 arguments
460 2006-06-21 Richrad Guenther <rguenther@suse.de>
462 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
463 Limit iteration over the dominators.
465 2006-06-20 Roger Sayle <roger@eyesopen.com>
467 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
468 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
470 2006-06-20 Richard Guenther <rguenther@suse.de>
471 Michael Matz <matz@suse.de>
473 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
475 * alloc-pool.c (free_alloc_pool_if_empty): New function.
476 * et-forest.h (et_free_pools): Prototype new function.
477 * et-forest.c (et_free_tree_force): Free parent occurrence.
478 (et_free_pools): New function.
479 * dominance.c (free_dominance_info): Free et-forest alloc
482 2006-06-20 Roger Sayle <roger@eyesopen.com>
484 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
485 integer modes, attempt to directly construct an integer constant.
487 * fold-const.c (native_encode_vector): Determine the size of each
488 element from the vector type instead of the first vector element.
490 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
491 if all of its elements/components are constant.
492 (build_constructor_from_list): Likewise.
494 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
496 PR tree-optimization/27331
497 * tree-data-ref.c (free_data_ref): New function.
498 (create_data_ref): Fail if the data reference has unknown access
500 (free_data_refs): Use free_data_ref.
502 2006-06-19 Andrew Pinski <pinskia@gmail.com>
505 * tree-inline.c (setup_one_parameter): Strip useless
506 type conversion before adding it to the IR.
507 (declare_return_variable): Likewise.
509 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
512 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
514 2006-06-19 Mike Stump <mrs@apple.com>
516 * tree.c (variably_modified_type_p): VM arguments don't make the
519 2006-06-19 Richard Guenther <rguenther@suse.de>
521 * tree-ssa-pre.c (try_combine_conversion): Strip useless
522 type conversions after folding.
524 2006-06-19 Richard Guenther <rguenther@suse.de>
526 * ggc-page.c (extra_order_size_tab): Add entries with
527 size of struct function and basic_block.
528 (size_lookup): Extend to cover sizes up to 511.
529 (ggc_alloc_stat): Adjust user.
530 (ggc_pch_count_object): Likewise.
531 (ggc_pch_alloc_object): Likewise.
532 (ggc_pch_write_object): Likewise.
534 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
536 * tree-ssa-loop-niter.c (implies_ge_p): New function.
537 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
540 2006-06-19 Denis Chertykov <denisc@overta.ru>
542 * config/avr/libgcc.S : Correct my wrong previous commit.
544 2006-06-19 Roger Sayle <roger@eyesopen.com>
547 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
548 have stripped a SUBREG from the shift count, so we may need to
549 convert_to_mode back to the type's mode before calling make_tree.
550 Use new_amount instead of amount to avoid expanding a tree twice.
552 2006-06-19 Richard Guenther <rguenther@suse.de>
555 * fold-const.c (operand_equal_p): Check if the argument types
556 have the same precision before stripping NOPs.
558 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
560 Fix PR tree-optimization/27341
561 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
563 * tree-complex.c (pass_lower_complex): Update SMT usage.
565 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
567 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
568 Add a new alternative to the constraint strings. Add move of
569 operand 1 to 3 to the splitter definition.
570 ("doloop_si_long"): Second contraint alternative removed.
572 2006-06-08 Anatoly Sokolov <aesok@post.ru>
574 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
575 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
577 (AVR_HAVE_MOVW) Define.
578 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
579 (ASM_SPEC): Add avr25.
580 (LINK_SPEC): Add avr25.
581 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
582 (base_arch_s): Add new member 'have_movw_lpmx'.
583 (avr_arch_types): Init 'have_movw_lpmx'.
584 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
585 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
586 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
587 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
588 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
590 (avr_file_start): Do not output '.arh' derective.
591 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
592 (__do_copy_data): Use __AVR_HAVE_LPMX__.
593 * config/avr/avr.md (mcu_enhanced): Delete.
594 (mcu_have_movw): Define.
595 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
596 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
597 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
598 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
599 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
600 attiny861 and at86rf401 devices.
602 2006-06-18 Jie Zhang <jie.zhang@analog.com>
604 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
607 2006-06-17 Karl Berry <karl@gnu.org>
609 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
610 doc/gccint.texi, doc/install.texi (@dircategory): Use
611 "Software development" instead of "Programming", following
612 the Free Software Directory.
614 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
616 * config/i386/i386.c (legitimate_tls_address)
617 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
618 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
619 (*tls_dynamic_gnu2_combine_64): Likewise.
621 2006-06-16 Richard Guenther <rguenther@suse.de>
624 * fold-const.c (negate_expr_p): Do not introduce undefined
625 overflow in negating INTEGER_CSTs.
626 (fold_negate_expr): Rename from negate_expr. Revert last
627 change for folding BIT_NOT_EXPR. Change semantics to
628 return NULL_TREE for non-simplified negations. Do not
629 strip type conversions and unify type handling.
630 (negate_expr): New function, wrap around fold_negate_expr
631 but ensure building a tree always. Strip type conversions
632 here, fold to result type.
633 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
635 2006-06-16 Roger Sayle <roger@eyesopen.com>
638 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
639 that (would) return their results in stack registers.
641 2006-06-16 Michael Matz <matz@suse.de>
642 Richard Guenther <rguenther@suse.de>
644 * fold-const.c (fold_truthop): Only return new tree node if
645 we canonicalized something.
647 2006-06-16 Richard Guenther <rguenther@suse.de>
649 * function.h (enum function_frequency): Move declaration
650 out of struct function.
651 (struct function): Move bool fields and the enum to the bitfield
652 section. Reorder elements to avoid padding. Remove unused
653 fields left over from the RTL inliner removal.
654 * function.c (free_after_compilation): Do not zero removed fields.
655 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
656 (ipa-type-escape.o): Likewise.
658 2006-06-16 Richard Guenther <rguenther@suse.de>
660 * cgraph.h (struct cgraph_local_info): Turn bool elements
662 (struct cgraph_node): Likewise.
663 (struct cgraph_varpool_node): Likewise.
665 2006-06-15 Richard Guenther <rguenther@suse.de>
667 * fold-const.c (fold_truth_not_expr): Rename from
668 invert_truthvalue. Give it fold_* semantics to avoid
670 (invert_truthvalue): New function. Wrapper around
672 (optimize_minmax_comparison): Avoid creating garbage.
673 (fold_unary): Use fold_truth_not_expr for folding
675 (fold_ternary): Replace uses of invert_truthvalue with
676 fold_truth_not_expr where applicable.
677 * tree.h (fold_truth_not_expr): Prototype.
679 2006-06-16 Richard Guenther <rguenther@suse.de>
681 PR tree-optimization/27781
682 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
683 * ipa-pure-const.c (target.h): Include.
684 (analyze_function): Do not analyze functions that do not
687 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
690 * tree-dfa.c (referenced_vars_dup_list): Remove.
691 (find_referenced_vars): Remove assert.
692 (referenced_var_check_and_insert): Replace dup list with assert.
693 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
694 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
696 2006-06-15 Richard Guenther <rguenther@suse.de>
698 * tree-ssa-structalias.c (alias_get_name): Avoid creating
699 extra unused identifiers if not dumping.
700 (create_variable_info_for): Likewise.
702 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
704 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
705 (derive_constant_upper_bound): Derive more precise upper bound in
706 common cases. Return type changed to double_int.
707 (record_estimate): Reflect the changed return type of
708 derive_constant_upper_bound.
709 * double-int.c (double_int_zext, double_int_sext): Fix.
711 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
713 * configure.ac (CFLAGS): Get them from the toplevel or from the
714 configure invocation.
715 * configure: Regenerate.
716 * Makefile.in (CFLAGS): Substitute value provided by configure.
718 2006-06-14 Mark Mitchell <mark@codesourcery.com>
721 * c-common.h (c_finish_omp_atomic): Adjust declaration.
722 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
723 rather than calling add_stmt on it.
724 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
726 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
729 * reload1.c (reload): Remove registers returned by update_eliminables
730 from used_spill_regs.
732 2006-06-13 DJ Delorie <dj@redhat.com>
734 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
736 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
738 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
739 html__strip_dir, html__mkdir_p. Enhance install-html target.
740 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
741 * configure: Regenerate.
743 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
745 * fold-const.c (fold_cond_expr_with_comparison): Check for
746 Objective-C++ as language in deciding COND_EXPR transformation.
748 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
751 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
752 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
753 * config/sh/lib1funcs.h (SL, SL1): Define.
754 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
755 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
756 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
757 (OBJS_Os_4_200): New variable.
758 ($(T)libgcc-Os-4-200.a): Use it.
759 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
760 when dividing 1 and/or by 0.
762 2006-06-13 Roger Sayle <roger@eyesopen.com>
764 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
765 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
766 * configure: Regenerate.
768 2006-06-13 Jie Zhang <jie.zhang@analog.com>
770 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
771 for real instruction.
773 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
776 * haifa-sched.c (check_cfg): Handle special case.
778 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
781 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
782 Add debug_info parameter. Chain the vars to the BLOCK instead
783 of the BIND_EXPR if debug info are requested for them.
784 (pop_gimplify_context): Adjust for above change.
785 (gimple_add_tmp_var): Likewise.
786 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
788 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
789 (convert_local_reference): Likewise.
790 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
791 (finalize_nesting_tree_1): Request that debug info be emitted
794 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
796 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
799 2006-06-13 Richard Guenther <rguenther@suse.de>
802 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
804 2006-06-13 Richard Guenther <rguenther@suse.de>
806 PR tree-optimization/27830
807 * tree-inline.c (copy_body_r): For copying the operand
808 of an ADDR_EXPR make sure to fold &* afterwards.
810 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
812 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
813 lvalues in the fb_none case with side-effects.
815 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
817 * tree-flow.h: Remove the prototype for
818 compute_phi_arg_on_exit.
819 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
820 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
823 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
825 * builtins.c (expand_builtin_return_addr): Only use
826 frame_pointer_rtx when count == 0 and we are expanding
827 __builtin_return_address.
829 2006-06-12 Fred Fish <fnf@specifix.com>
831 * config/mips/mips.c (mips_file_start): Create special section
832 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
834 2006-06-11 Eric Christopher <echristo@apple.com>
837 * stor-layout.c (place_field): Remove check for
838 remaining_in_alignment when aligning at the end of a run.
840 2006-06-11 Eric Christopher <echristo@apple.com>
843 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
846 2006-06-11 Roger Sayle <roger@eyesopen.com>
849 Revert incorrect fix for PR target/27158
850 2006-05-08 Roger Sayle <roger@eyesopen.com>
851 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
852 of a reg_equiv_constant if the result is a legitimate constant.
854 2006-06-11 Roger Sayle <roger@eyesopen.com>
857 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
858 extract a CONST_VECTOR element and interpret it as an integer.
859 (vspltis_constant): Use const_vector_elt_as_int instead of the
860 macro CONST_VECTOR_ELT in order to handle FP vector modes.
861 * config/rs6000/predicates.md (easy_vector_const): Consider
862 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
864 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
867 * stor-layout.c (update_alignment_for_field): Don't add extra
868 alignment for packed non-bitfield fields in ms_bitfield_layout_p
871 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
873 * config/mips/t-rtems: Add EL/EB multilib variants.
875 2006-06-09 Mike Stump <mrs@apple.com>
877 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
879 2006-06-09 David Daney <ddaney@avtrex.com>
881 * doc/install.texi: Add binutils version recommendation for mips-*-*.
883 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
885 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
887 2006-06-09 Richard Guenther <rguenther@suse.de>
889 PR tree-optimization/26998
890 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
891 of signed types, only TYPE_MIN_VALUE is special, but for both,
892 minimum and maximum value. Likewise VR_ANTI_RANGE is special
893 in this case, as is -fwrapv.
895 2006-06-08 Mike Stump <mrs@apple.com>
898 * config/darwin.c (darwin_asm_output_anchor): Disable
899 -fsection-anchors on darwin for now.
900 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
901 * rs6000/rs6000.c (optimization_options): Likewise.
903 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
906 * config/i386/i386.c (classify_argument): Skip fields with invalid
909 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
911 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
912 (cse_insn): Likewise for the stack_pointer_rtx.
914 2006-06-08 Roger Sayle <roger@eyesopen.com>
916 * tree-ssa-dom.c (record_conditions): Only record "unordered"
917 conditions from floating point comparisons.
919 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
922 * expmed.c (struct alg_hash_entry): Fix type of field T
923 to match synth_mult argument.
924 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
926 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
929 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
932 2006-06-08 Richard Guenther <rguenther@suse.de>
935 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
936 only, if overflow is defined and not trapping.
937 (negate_expr): Likewise.
939 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
941 PR tree-optimization/27872
942 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
943 flag on the new exit edge of the unrolled loop.
945 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
947 PR rtl-optimization/26449
948 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
950 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
953 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
954 referenced_variables with matching DECL_UID's.
955 (find_referenced_vars): Make sure duplicate list is empty to start.
956 (referenced_var_p): Remove.
957 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
958 Check if var is in the list, and add if needed. Update the duplicate
959 list if a different var is in the list with the same DECL_UID.
960 (add_referenced_var): Call routine to check and insert.
961 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
962 * tree-flow.h (referenced_vars_dup_list): External declaration.
964 2006-06-07 Fred Fish <fnf@specifix.com>
966 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
969 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
972 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
973 the imaginary and real parts of a clobbered register.
974 Emit insn to set the imaginary part.
976 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
978 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
979 in lieu of unwind-dw2-fde.c.
981 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
983 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
985 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
988 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
989 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
990 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
991 V4SImode temporaries and operations instead.
993 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
995 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
998 2006-06-06 Mike Stump <mrs@apple.com>
1000 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1001 installing during build.
1003 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1005 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1007 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1008 * config/ia64/ia64.c (params.h): New header.
1009 (ia64_optimization_options): New function to adjust parameters.
1010 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1011 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1012 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1014 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1016 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1018 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1021 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1023 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1024 Victor Kaplansky <victork@il.ibm.com>
1026 PR tree-optimization/26360
1027 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1030 2006-06-04 Roger Sayle <roger@eyesopen.com>
1031 Andrew Pinski <pinskia@physics.uc.edu>
1034 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1035 for LABEL_DECL before calling DECL_WEAK.
1038 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1039 LABEL_DECL and PARM_DECL.
1041 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1045 * c-decl.c (grokdeclarator): Disallow variably modified types at
1046 file scope. Avoid marking shared array type of constant size as
1049 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1052 * c-common.c (fold_offsetof_1): Handle static members.
1054 2006-06-04 Eric Christopher <echristo@apple.com>
1056 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1057 (debug_rli): Output value for remaining_in_alignment.
1058 (update_alignment_for_field): Unconditionalize
1059 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1060 extra alignment code.
1061 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1062 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1063 * tree.h (record_layout_info_s): Remove prev_packed.
1064 * doc/extend.texi (ms_struct): Add documentation of format.
1066 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1068 * tree.h: Declare folding_initializer.
1069 * builtins.c (fold_builtin_constant_p): Give definite answer
1070 if folding inside an initializer.
1071 * fold-const.c: Define folding_initializer.
1072 (START_FOLD_INIT): Save and then set folding_initializer.
1073 (END_FOLD_INIT): Restore folding_initializer.
1075 2006-06-04 Richard Guenther <rguenther@suse.de>
1077 PR tree-optimization/27039
1078 * fold-const.c (fold_comparison): Handle pointer comparison
1079 again for all comparison codes. Compare offsets in signed
1081 (fold_binary): Move code from here.
1083 2006-06-03 Roger Sayle <roger@eyesopen.com>
1086 * config/i386/i386.c (construct_container): Split static issued_error
1087 flag into issued_sse_arg_error, issued_sse_ret_error and
1088 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1089 requires the use of x87 registers and the user explicitly
1090 specified the -mno-80387 command line option.
1092 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1094 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1095 HAVE_DECL_SIGALTSTACK.
1097 (segv_handler): Use MC_FLD.
1098 * configure.ac: Check for a sigaltstack declaration.
1099 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1100 * configure: Regenerate.
1101 * config.in: Regenerate.
1103 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1106 * Makefile.in (stmp-fixinc): Fix typo.
1108 2006-06-02 Roger Sayle <roger@eyesopen.com>
1110 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1111 are type correct. Clean-up.
1112 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1113 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1115 2006-06-01 DJ Delorie <dj@redhat.com>
1117 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1118 shift, as we've disabled the "switch" insn that needs it.
1120 2006-06-01 Per Bothner <bothner@bothner.com>
1122 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1123 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1124 * c-ppoutput.c (cb_define): Don't increment line 0.
1126 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1128 * doc/invoke.texi: Add cpu_type power6.
1129 * config.gcc: Add cpu_type power6.
1130 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1131 to power5+ with Altivec.
1132 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1133 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1135 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1137 * config/avr/avr.h (SET_ASM_OP): Define.
1139 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1141 * config/bfin/bfin.c: Fix comment typos.
1143 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1146 * doc/install.texi: Document --enable-bootstrap and
1147 --disable-bootstrap.
1149 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1151 * doc/install.texi: Document that InfoZIP can replace jar.
1153 2006-05-31 Roger Sayle <roger@eyesopen.com>
1155 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1156 isn't available, directly generate the simpler x87 patterns without
1157 the (use (const_int 0)).
1158 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1159 implementation isn't available.
1160 (*negdf2_1): Likewise.
1161 (*negxf2_1): XF mode negation is always done using the x87.
1162 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1164 2006-05-31 Roger Sayle <roger@eyesopen.com>
1166 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1167 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1169 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1171 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1173 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1174 * config/bfin/bfin.c (basic-block.h): Include.
1175 (struct machine_function): New.
1176 (bfin_init_machine_status): New.
1177 (override_options): Initialize init_machine_status.
1178 (bfin_hardware_loop): New.
1179 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1180 (DEF_VEC_P (loop_info)): New.
1181 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1182 (struct loop_info): New.
1183 (loop_info): New typedef.
1184 (struct loop_work): New.
1185 (loop_work): New typedef.
1186 (DEF_VEC_O (loop_work)): New.
1187 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1188 (bfin_dump_loops): New.
1189 (bfin_bb_in_loop): New.
1190 (bfin_scan_loop): New.
1191 (bfin_optimize_loop): New.
1192 (bfin_reorg_loops): New.
1193 (bfin_reorg): Use bfin_reorg_loops.
1194 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1196 (I_REGNO_P): Simplify.
1197 (DP_REGNO_P, DPREG_P): New macros.
1198 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1199 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1200 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1201 Add LT_REGS, LC_REGS, LB_REGS.
1202 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1204 (REGNO_REG_CLASS): Deal with loop registers.
1205 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1207 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1208 New constants for loop registers.
1209 (UNSPEC_LSETUP_END): New.
1210 (seq_insns): New define_attr. Set it for appropriate insns.
1211 (movsi_insn): Add alternatives for move from/to
1212 loop count registers.
1213 (doloop_end): New define_expand.
1214 (loop_end): New define_insn.
1215 (define_split for bad doloop_end): New.
1216 (lsetup_with_autoinit): New define_insn.
1217 (lsetup_without_autoinit): New define_insn.
1218 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1219 * config/bfin/predicates.md (lc_register_operand): New.
1220 (lt_register_operand): New.
1221 (lb_register_operand): New.
1222 (nondp_register_operand): New.
1223 (nondp_reg_or_memory_operand): New.
1224 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1226 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1228 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1229 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1231 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1233 * Makefile.in (CATALOGS): Add po/ prefix.
1234 * configure: Regenerated.
1236 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1239 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1240 a shift operand before calling shift_op. Avoid redundant call of
1243 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1244 DJ Delorie <dj@redhat.com>
1246 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1247 we're inserting is a singlt-bit constant.
1249 2006-05-30 Roger Sayle <roger@eyesopen.com>
1251 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1252 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1254 2006-05-30 Roger Sayle <roger@eyesopen.com>
1256 PR tree-optimization/23452
1257 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1258 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1259 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1260 complex values and with -ffast-math for FP complex values.
1262 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1264 * c-common.h: Remove the prototype for yyparse.
1265 * rtl.h: Remove the prototype for init_loop.
1267 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1269 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1272 2006-05-30 Roger Sayle <roger@eyesopen.com>
1274 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1276 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1277 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1279 2006-05-30 Dirk Mueller <dmueller@suse.de>
1282 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1283 for CONSTANT_CLASS_P expresisons.
1285 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1288 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1290 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1292 PR tree-optimization/27779
1293 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1294 initial_condition instead of CHREC_LEFT.
1296 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1298 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1299 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1300 Make prototypes ISO C90.
1302 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1303 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1305 * see.c (see_analyze_one_def): Correct check.
1306 (see_get_extension_data): Check if extension is parallel.
1307 (see_get_extension_reg): Likewise.
1309 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1312 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1313 into register for (code == GTU).
1315 2006-05-29 Roger Sayle <roger@eyesopen.com>
1317 PR tree-optimization/24964
1318 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1319 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1320 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1321 abs(x)*abs(x) as x*x for scalar floating point modes.
1323 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1326 * lambda-code.c (perfect_nestify): Don't copy statements
1327 in the inner loop: move them to the inner loop header.
1329 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1332 * c-tree.texi: Document OpenMP directives and clauses.
1334 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1336 * varasm.c (globalize_decl): Fix indentation.
1338 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1341 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1342 pass_fre, pass_store_ccp, pass_copy_prop,
1343 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1344 pass_return_slot, pass_object_size, pass_lim,
1345 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1346 pass_loop_prefetch and pass_stdarg.
1348 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1350 * config/bfin/bfin.opt (mfdpic): New option.
1351 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1352 (EXTRA_MULTILIB_PARTS): Likewise.
1353 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1354 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1356 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1357 (CRT_CALL_STATIC_FUNCTION): New.
1358 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1360 (CRT_CALL_STATIC_FUNCTION): New.
1361 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1363 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1364 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1365 (initialize_trampoline): Changed to handle FD-PIC code generation.
1366 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1367 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1368 (override_options): Disallow -mid-shared-library -mfdpic combination.
1369 Can't do unaligned ops if FD-PIC.
1370 Turn off flag_pic if trying to generate non-id-shared-library
1371 non-fdpic code, since it's not supported.
1372 (bfin_assemble_integer): New function.
1373 (TARGET_ASM_INTEGER): Define.
1374 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1376 * config/bfin/crtn.s: Restore them.
1377 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1379 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1380 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1381 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1382 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1383 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1385 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1386 FDPIC_REGS and FDPIC_FPTR_REGS.
1387 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1388 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1389 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1390 (load_funcdescsi): New pattern.
1391 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1392 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1393 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1395 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1397 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1400 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1402 * tree-flow.h: Remove the prototype for add_type_alias.
1403 * tree-ssa-alias.c (add_type_alias): Remove.
1405 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1407 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1408 config/fr30/fr30.md, config/i386/i386-interix.h,
1409 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1410 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1411 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1412 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1413 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1414 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1415 Follow spelling conventions.
1416 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1417 Follow spelling conventions.
1419 2006-05-27 Richard Guenther <rguenther@suse.de>
1422 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1423 to produce a constant of value 1 of generic type.
1425 2006-05-27 Dirk Mueller <dmueller@suse.de>
1427 * cgraphunit.c (decide_is_function_needed): Fix wrong
1430 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1432 PR rtl-optimization/27661
1433 * reload.c (find_reloads): When reloading a VOIDmode constant
1434 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1435 use Pmode as mode of the reload register.
1437 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1439 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1440 is enabled at -O and above.
1442 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1445 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1448 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1451 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1452 for anonymous variables explicitly declared by front ends.
1454 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1456 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1457 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1458 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1459 ref-all pointers, run a finalization pass for them.
1460 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1461 (finalize_ref_all_pointers): New function.
1462 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1463 regular pointer type to a ref-all pointer type.
1464 (get_tmt_for): Return the special memory tag for ref-all pointers.
1466 2006-05-25 Richard Guenther <rguenther@suse.de>
1469 * fold-const.c (fold_binary): Do not look at the stripped
1470 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1472 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1474 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1475 for LT and GT if the computed range is effectively empty.
1477 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1480 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1481 mips_quad_format formats instead of ieee_single_format,
1482 ieee_double_format and ieee_quad_format formats, respectively.
1484 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1486 PR tree-optimization/27639
1487 PR tree-optimization/26719
1488 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1489 call to scev_probably_wraps_p.
1490 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1491 used_in_pointer_arithmetic_p, convert_step): Removed.
1492 (nowrap_type_p): New function.
1493 (scev_probably_wraps_p): Rewritten.
1494 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1495 chrec_convert if chrec_convert_aggressive might have been used.
1496 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1497 scev_direction): New functions.
1498 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1499 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1500 instead of convert_step.
1501 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1502 (convert_step): Declaration removed.
1503 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1505 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1507 * df-core.c: Added to header comments.
1508 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1509 df_ur_bb_info, df_urec_bb_info): Added comments.
1510 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1511 urec, ri problems): Fixed header comments.
1512 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1513 code from df_rd_transfer_function.
1515 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1517 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1518 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1519 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1521 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1523 * expr.c (undefined_operand_subword_p): New.
1524 (emit_move_multi_word): Do not generate move from undefined bits
1525 of a paradoxical subreg.
1527 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1529 PR rtl-optimization/27736
1530 * combine.c (replaced_rhs_value): New variable.
1531 (combine_instructions): Set it.
1532 (distribute_notes): When distributing a note in replaced_rhs_insn,
1533 check whether the value was used in replaced_rhs_value.
1535 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1538 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1539 add_referenced_var instead of add_referenced_tmp_var.
1540 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1541 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1543 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1544 tree_optimize_tail_calls_1): Use add_referenced_var.
1545 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1546 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1547 Use add_referenced_var.
1548 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1549 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1550 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1551 Use add_referenced_var.
1552 * tree-dfa.c (struct walk_state): Remove.
1553 (find_referenced_vars): Remove walk state and vars_found hash table.
1554 (make_rename_temp): Use add_referenced_var.
1555 (find_vars_r): Pass less parameters to add_referenced_var.
1556 (referenced_var_p): New. Is var in referenced_var hash table.
1557 (referenced_var_insert): Assert var isn't already in hash table.
1558 (add_referenced_var): Don't need walk_state parameter. Add var if it
1559 isn't already in the hash table.
1560 (add_referenced_tmp_var): Remove.
1561 (find_new_referenced_vars_1): Use add_referenced_var.
1562 * tree-ssa-pre.c (create_expression_by_pieces,
1563 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1564 Use add_referenced_var.
1565 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1566 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1567 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1569 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1570 vect_create_data_ref_ptr, vect_create_destination_var,
1571 vect_init_vector, vect_build_loop_niters,
1572 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1573 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1574 Use add_referenced_var.
1575 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1576 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1577 (add_referenced_var): Add prototype.
1578 * tree-ssa-structalias.c (get_constraint_for,
1579 intra_create_variable_infos): Use add_referenced_var.
1581 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1583 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1584 big-endian paradoxical subregs.
1585 * var-tracking.c (struct micro_operation_def): Document that,
1586 for modify micro operations, insn is the subsequent instruction.
1587 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1588 (var_reg_set, var_mem_set): ... new functions.
1589 (add_stores): Record subsequent insn.
1590 (compute_bb_dataflow): Use new functions for MO_USE.
1591 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1592 notes after the insn, and modify notes before the insn known
1593 to be the subsequent one.
1594 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1596 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1599 * config/i386/i386.c (ix86_expand_builtin): Use
1600 gen_sse3_monitor64 for TARGET_64BIT.
1602 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1604 PR rtl-optimization/26375
1605 PR rtl-optimization/26855
1606 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1608 (df_ru_bb_local_compute): Reversed statements and removed bogus
1609 comment explaining why they should be in wrong order.
1610 (df_ru_dump, df_rd_dump): Enhanced debug info.
1611 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1613 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1614 reaching uses and fixed space problem.
1616 2006-05-23 Jan Hubicka <jh@suse.cz>
1618 * cgraphunit.c (decide_is_function_needed): Also nested functions
1619 and functions declared inline can be optimized out at -O0.
1621 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1623 * doc/install.texi (Configuration): Remove reference to CrossGCC
1627 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1630 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1631 ix86_compare_emitted is non-NULL.
1633 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1636 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1639 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1641 PR rtl-optimization/25514
1642 * combine.c (replaced_rhs_insn): New variable.
1643 (combine_instructions): Set replaced_rhs_insn when trying to replace
1644 a SET_SRC with a REG_EQUAL note.
1645 (distribute_notes): Use replaced_rhs_insn when determining the live
1646 range of a REG_DEAD register.
1648 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1649 Anatoly Sokolov <aesok@post.ru>
1651 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1652 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1653 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1654 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1655 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1656 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1657 at90usb647, at90usb1286 and at90usb1287 devices.
1658 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1659 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1661 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1663 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1665 2006-05-22 Richard Guenther <rguenther@suse.de>
1668 2006-01-31 Richard Guenther <rguenther@suse.de>
1669 Paolo Bonzini <bonzini@gnu.org>
1671 * doc/install.texi (--disable-libgcc-math): Document.
1673 2006-05-22 Richard Guenther <rguenther@suse.de>
1676 2006-01-31 Richard Guenther <rguenther@suse.de>
1678 * doc/invoke.texi (-msselibm): Document.
1679 * target.h (expand_library_builtin): New target hook.
1680 * builtins.c (expand_builtin): Use expand_library_builtin.
1681 (default_expand_library_builtin): New function.
1682 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1683 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1684 (link_gcc_math_spec): Declare.
1685 (static_specs): Add link_gcc_math_spec.
1686 * expr.h (default_expand_library_builtin): Declare.
1687 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1688 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1689 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1690 * config/i386/i386.opt (msselibm): New target option.
1691 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1692 (ix86_init_sse_abi_builtins): New function.
1693 (ix86_expand_library_builtin): Likewise.
1694 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1695 (override_options): Handle error conditions wrt -msselibm.
1696 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1697 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1698 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1701 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1704 * c-common.c (self_promoting_args_p): Skip erroneous args.
1707 * c-decl.c (finish_struct): Skip erroneous fields.
1709 2006-05-22 Nick Clifton <nickc@redhat.com>
1711 * config/cris/cris.opt (march): Remove VarExists attribute.
1712 (max-stackframe=): Likewise.
1714 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1716 * doc/rtl.texi: Fix a typo.
1717 * see.c: Fix comment typos.
1719 * tree-ssa-structalias.h (alias_info): Remove num_references.
1721 2006-05-21 Mike Stump <mrs@apple.com>
1723 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1725 (darwin_pragma_options): Use BAD instead.
1726 (darwin_pragma_unused): Likewise.
1727 (darwin_pragma_ms_struct): Likewise.
1729 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1731 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1733 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1735 PR rtl-optimization/27671
1736 * simplify-rtx.c (simplify_relational_operation_1): Fix
1737 simplifications of (eq/ne (xor x y) y) and
1738 (eq/ne (xor x y) x).
1740 PR tree-optimization/26622.
1741 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1744 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1746 * tree-cfg.c: Prune whitespace.
1747 (debug_tree_cfg): Point to correct header containing the
1750 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1753 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1755 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1758 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1759 or sorry count is non zero.
1761 2006-05-20 Andreas Schwab <schwab@suse.de>
1763 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1765 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1766 Kenneth Zadeck <zadeck@naturalbridge.com>
1768 PR rtl-optimization/26855
1770 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1772 (df_scan_alloc): Added code to properly handle multiword hard
1773 registers and add all_blocks parameter.
1774 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1775 code to properly handle multiword hard registers.
1776 (df_rescan_blocks): Added code to remove deleted blocks from
1778 (df_ref_create_structure, df_ref_record): Added code to properly
1780 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1781 and set DF_REF_PARTIAL.
1782 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1783 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1784 (df_scan_add_problem): Added flags parameter.
1785 (df_ref_create_structure): Changed switching structure.
1786 (df_bb_refs_record): Fixed case where duplicate artificial refs
1787 were created. Changed location of flags.
1788 (df_record_entry_block_defs): Added code to make stack pointer
1789 live in entry block. Refined cases where frame pointer is needed.
1790 Changed location of flags.
1791 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1792 (df_set_state): Removed function.
1793 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1794 df_insn_create_insn_record, df_insn_refs_delete,
1795 df_ref_create_structure): Formatting changes.
1796 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1797 df_delete_basic_block): New function.
1798 (df_init): Changed location of flags.
1799 (df_add_problem): Added flags parameter and the way flags are
1801 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1802 debug_df_chain): Improved debugging output.
1803 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1804 (df_refs_chain_dump): Removed df parameter.
1805 (df_iterative_dataflow): Added consistency check.
1806 (df_prune_to_subcfg): Made public.
1807 (df_analyze_problem): Added blocks_to_init parameter and made
1809 (df_ref_record, df_bb_refs_record, df_mark_reg,
1810 df_record_exit_block_uses): Whitespace changes.
1811 (df_dump): Whitespace changes.
1812 * df.h: Some reordering to remove forward references.
1813 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1814 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1815 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1816 (dataflow.flags): New field.
1817 (df.flag): Deleted field.
1818 (df_alloc_function): Added additional bitmap parameter.
1819 (df_dependent_problem_function): New type.
1820 (df_problem.changeable_flags): New field.
1821 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1822 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1823 (df_mw_hardreg): New struct.
1824 (DF_INSN_UID_MWS): New macro.
1825 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1827 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1828 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1829 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1830 (df_set_state): Removed function.
1831 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1832 * df-problems.c (df_chain_dump): Removed df parameter.
1833 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1834 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1836 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1837 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1838 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1839 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1840 DF_REF_MUST_CLOBBER cases.
1841 (df_ru_bb_local_compute_process_def,
1842 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1843 df_lr_bb_local_compute, df_ur_bb_local_compute,
1844 df_chain_create_bb): Made subreg aware.
1845 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1846 df_lr_bb_local_compute, df_lr_bb_local_compute,
1847 df_chain_create_bb): Cleanup to use proper macros.
1848 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1849 code to fixup bitvectors.
1850 (df_ri_alloc): Cleared lifetime.
1851 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1852 df_create_unused_note): New function.
1853 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1854 REG_DEAD and REG_UNUSED notes as well as register information.
1855 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1856 df_chains_dump): Fixed crash if problem was never run.
1857 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1858 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1859 df_ri_add_problem): Processes flags in uniform manner.
1860 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1861 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1862 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1863 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1864 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1865 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1866 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1867 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1868 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1869 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1870 * see.c (see_initialize_data): Ditto.
1871 * final.c (rest_of_clean_state) Added regstack_completed.
1872 * rtl.h (regstack_completed): Ditto.
1873 * reg-stack.c (regstack_completed): Ditto.
1875 2006-05-19 Mike Stump <mrs@apple.com>
1877 * c-tree.h (default_conversion): Remove.
1878 * c-common.h (default_conversion): Add.
1880 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1882 * tree-vrp.c (valid_value_p): New function.
1883 (adjust_range_with_scev): Fail if the value of bound is not
1886 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1888 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1889 (mips_fallback_frame_state): Use syscall numbers to determine
1890 the appropriate li instruction for the current ABI. Only use
1891 __NR_sigreturn for o32.
1893 2006-05-19 Nicolas Setton <setton@adacore.com>
1895 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1896 * langhooks.c (lhd_dwarf_name): New function.
1897 * langhooks-def.h (lhd_dwarf_name): Declare.
1898 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1899 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1900 * ada/misc.c (gnat_dwarf_name): New function.
1901 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1903 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1905 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1907 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1908 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1909 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1910 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1911 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1912 determine the size of Wtype, etc.
1913 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1914 (swfloatfuncs): New variable.
1915 (dwfloatfuncs): Likewise.
1916 (lib2funcs): Remove floating-point conversion functions from
1917 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1918 the set of conversion routines needed. Allow entries to specify
1919 an object name, filename and word size. Update users accordingly.
1920 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1921 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1925 2006-02-08 Roger Sayle <roger@eyesopen.com>
1928 * config/fixtfdi.c: New libgcc source file.
1929 * config/fixunstfdi.c: New source file.
1930 * config/floatditf.c: New source file.
1931 * config/floatunditf.c: New souce file.
1932 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1933 files above instead of config/mips/_tilib.c.
1934 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1936 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1938 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1939 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1941 2006-05-18 Mike Stump <mrs@apple.com>
1943 Fix up vla, vm and [*] sematics.
1949 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1950 (c_vla_unspec_p): Add.
1951 (c_vla_type_p): Add.
1952 * c-decl.c (struct c_scope): Add had_vla_unspec.
1953 (build_array_declarator): Add support for [*].
1954 (grokdeclarator): Likewise.
1955 (grokparms): Likewise.
1956 (get_parm_info): Likewise.
1957 * c-objc-common.c (c_vla_unspec_p): Likewise.
1958 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1959 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1960 typeof when argument is a variably modified type not inside sizeof or alignof.
1961 (c_parser_direct_declarator_inner): Propagate errors.
1962 (c_parser_sizeof_expression): Add support for [*].
1963 (c_parser_parms_declarator): Initialize had_vla_unspec.
1964 (c_parser_parms_list_declarator): Likewise.
1965 * c-typeck.c (c_vla_type_p): Add.
1966 (composite_type): Add support for vla compositing.
1967 (comptypes_internal): Add support for vla compatibility.
1968 (c_expr_sizeof_expr): Evaluate vla arguments.
1969 * tree.c (variably_modified_type_p): Update comment for [*].
1971 2006-05-18 Michael Matz <matz@suse.de>
1974 * config.host: Make assignments to host_xmake_file cumulative.
1975 * config.host (*-darwin*): Test $host, not $target.
1977 2006-05-12 Stuart Hastings <stuart@apple.com>
1979 * config/i386/i386.opt (-mstackrealign): New flag.
1980 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1981 (ix86_handle_cconv_attribute): Emit error when
1982 force_align_arg_pointer attribute collides with too many regparms.
1983 (ix86_function_regparm): Limit regparms when used with
1984 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1985 Support stack-realigning prologue in non-main functions. Emit
1986 warning for nested functions under -mstackrealign, emit error for
1987 nested functions with force_align_arg_pointer attribute.
1988 * doc/extend.texi (force_align_arg_pointer): Document it.
1989 * doc/invoke.texi (-mstackrealign): Document it.
1991 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1993 PR rtl-optimization/27477
1994 * combine.c (try_combine): Don't split a parallel consisting
1995 of two sets into two individual sets if both sets reference
1998 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2000 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2001 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2003 * doc/options.texi (VarExists): Updated.
2005 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2007 * unwind-dw2.c: Add declarations for uw_update_context and
2009 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2010 detected, advance frame state and context once to skip over stub.
2012 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2016 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2017 Call rewrite_into_loop_closed_ssa only when something changed.
2018 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2019 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2020 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2021 Test for perfect_nest_p here. Fix formating.
2022 (replace_uses_equiv_to_x_with_y): Fix formating.
2023 (stmt_uses_op): Removed.
2024 (can_convert_to_perfect_nest): Removed loopivs parameter.
2025 Complete the test by checking the scalar dependences.
2026 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2029 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2032 From Dan Kegel <dank@kegel.com>:
2033 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2035 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2037 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2038 if the element type is variably modified without recursing.
2040 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2043 * tree-loop-linear.c (try_interchange_loops): Test for
2044 no data dependences.
2046 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2048 PR tree-optimization/27548
2049 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2050 range of ssa names that appear on abnormal edges.
2051 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2052 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2054 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2057 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2059 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2062 * tree.h (OMP_PARALLEL_COMBINED): Define.
2063 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2064 (new_omp_context): Add is_combined_parallel argument.
2065 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2066 new_omp_context caller.
2067 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2068 Adjust gimplify_scan_omp_clauses callers.
2069 (omp_is_private): Issue errors if iteration variable is firstprivate
2070 or reduction in the current context.
2071 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2072 on combined parallel workshare constructs.
2074 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2076 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2077 (gcc-options.o): New rule.
2079 * optc-gen.awk: Protect variables for gcc-options.o with
2080 #ifdef GCC_DRIVER/#endif.
2082 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2084 Fix PR tree-optimization/27373
2085 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2086 (forward_propagate_addr_expr): Update call.
2088 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2090 * doc/options.texi: Move the Negative option.
2092 2006-05-16 Richard Guenther <rguenther@suse.de>
2094 PR tree-optimization/22303
2095 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2097 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2098 ccp_fold did not simplify the statement.
2100 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2103 * Makefile.in (GCC_OBJS): New.
2104 (OBJS-common): Add opts-common.o.
2105 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2106 (cpp$(exeext)): Likewise.
2107 (gcc.o): Also depend on opts.h.
2108 (opts-common.o): New.
2110 * common.opt (gcoff): Add Negative(gdwarf-2).
2111 (gdwarf-2): Add Negative(gstabs).
2112 (gstabs): Add Negative(gstabs+).
2113 (gstabs+): Add Negative(gvms).
2114 (gvms): Add Negative(gxcoff).
2115 (gxcoff): Add Negative(gxcoff+).
2116 (gxcoff+): Add Negative(gcoff).
2117 * config/i386/i386.opt (m32): Add Negative(m64).
2118 (m64): Add Negative(m32).
2120 * doc/options.texi: Document the Negative option.
2122 * gcc.c: Include "opts.h".
2123 (main): Call prune_options after expandargv.
2125 * optc-gen.awk: Generate common declarations for all flag
2126 variables in options.c. Output the neg_index field.
2128 * opts.c (find_opt): Moved to ...
2129 * opts-common.c: Here. New file.
2131 * opts.h (cl_option): Add a neg_index field.
2133 (prune_options): Likewise.
2135 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2138 * omp-low.c (expand_omp_parallel): Don't assert
2139 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2140 instead search for it.
2143 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2146 2006-05-16 Andreas Schwab <schwab@suse.de>
2148 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2151 2006-05-15 Roger Sayle <roger@eyesopen.com>
2154 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2155 integer constants other than zero are only legitimate on TARGET_64BIT.
2156 <CONST_VECTOR> Only zero vectors are legitimate.
2157 (ix86_cannot_force_const_mem): Integral and vector constants can
2158 always be put in the constant pool.
2160 2006-05-16 DJ Delorie <dj@redhat.com>
2162 * crtstuff.c (__dso_handle): Set section from
2163 TARGET_LBIGCC_SDATA_SECTION if defined.
2164 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2165 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2167 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2170 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2173 2006-05-16 Ben Elliston <bje@au.ibm.com>
2175 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2177 2006-05-15 Per Bothner <per@bothner.com>
2179 * tree.c: (last_annotated_node): Use source_locus typedef.
2180 This permits bootstrapping with --enable-mapped-location.
2182 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2184 PR tree-optimization/26830
2185 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2186 (info_for_ssa_name, current_info_for_ssa_name_age,
2187 blocks_to_update): New variables.
2188 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2189 (clear_ssa_name_info, initialize_flags_in_bb,
2190 mark_block_for_update): New functions.
2191 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2192 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2193 prepare_def_site_for): Use mark_block_for_update.
2194 (mark_def_interesting): Assert that the processed block is marked in
2195 blocks_to_update. Do not take blocks argument.
2196 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2198 (rewrite_update_init_block, rewrite_update_stmt): Only process
2199 blocks with statements to rewrite.
2200 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2201 (update_ssa): Initialize and free blocks_to_update. Do not
2202 clear flags on statements. Do not use blocks bitmap.
2203 * tree.h (SSA_NAME_AUX): Removed.
2204 (struct tree_ssa_name): Removed aux field.
2205 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2207 2006-05-15 Richard Guenther <rguenther@suse.de>
2209 PR tree-optimization/27603
2210 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2211 Do computations in original type.
2213 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2215 * see.c: Code style changes such as redundant paranthesis,
2216 redundant intialization of local variables etc.
2217 (see_main): Declared now as static.
2218 * doc/invoke.texi: Update that -fsee is not enabled by
2221 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2223 * omp-low.c (check_omp_nesting_restrictions): New function.
2224 (scan_omp_1): Call it.
2227 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2228 construct, return *VAR.
2230 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2232 PR rtl-optimization/27406
2233 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2236 2006-05-14 Roger Sayle <roger@eyesopen.com>
2238 PR rtl-optimization/27538
2239 * combine.c (expand_compound_operation): Call gen_lowpart
2240 before calling simplify_shift_const.
2242 2006-05-14 Roger Sayle <roger@eyesopen.com>
2244 PR rtl-optimization/22563
2245 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2246 a fixed width bitfield, always force the intermediates into psuedos.
2248 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2251 * mkconfig.sh: Use operator = instead of == for test.
2253 2006-05-13 Nick Clifton <nickc@redhat.com>
2255 * dwarf2out.c (dbx_reg_number): Check return value from
2256 LEAF_REG_REMAP and only use it if it is valid.
2257 (multiple_reg_loc_descriptor): Likewise.
2259 2006-05-13 Richard Guenther <rguenther@suse.de>
2261 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2264 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2266 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2267 information attached to non-INSNs such as NOTEs.
2268 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2270 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2272 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2274 * config/s390/s390.md: Adjust comment describing On constraint.
2276 2006-05-11 Jan Hubicka <jh@suse.cz>
2278 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2279 to be output at -O0.
2281 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2284 * fold-const.c (size_binop): Move sanity check for arguments to
2285 the beginning of the function.
2288 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2291 2006-05-11 Richard Guenther <rguenther@suse.de>
2294 * fold-const.c (fold_unary): Handle intermediate conversion
2295 to a pointer type like intermediate conversion to an integer
2296 type in folding of (T1)(T2)var to var.
2297 Match the code to the comment in the final conversion for
2298 (T1)(T2)var to (T1)var regarding to type precision. Rather
2299 than disallow T1 being of pointer type, assert that both T1
2300 and var are of pointer type or not. Make sure not to fall
2301 over the frontends lazyness wrt array to pointer decay though.
2303 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2305 * arm.c (arm_struct_value_rtx): Delete.
2306 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2307 (arm_init_cumulative_args): Always initialize nregs to zero.
2309 2006-05-10 Richard Guenther <rguenther@suse.de>
2311 PR tree-optimization/27532
2312 * tree-object-size.c (plus_expr_object_size): Fix typo.
2314 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2317 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2318 ashrdi_const, ashrdi3): Use a scratch register.
2320 2006-05-10 Richard Guenther <rguenther@suse.de>
2322 PR tree-optimization/27302
2323 * fold-const.c (operand_equal_p): For two comparisons,
2324 try comparison of one comparison code swapped if that yields
2327 2006-05-10 Ben Elliston <bje@au.ibm.com>
2329 * tree-pretty-print.c (pretty_print_string): No need to handle
2330 '\0' as a special character.
2332 * tree.h: Include "hashtab.h".
2333 (iterative_hash_expr): Use hashval_t in its prototype.
2334 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2336 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2339 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2340 (hppa*64*-*-hpux11*): Ditto.
2341 (hppa[12]*-*-hpux11*): Ditto.
2343 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2346 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2348 2006-05-09 Michael Matz <matz@suse.de>
2350 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2351 host_extra_gcc_objs and host_xmake_file.
2352 (<*-*-linux*>): Don't overwrite host_xmake_file.
2353 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2354 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2355 (host_detect_local_cpu): Declare.
2356 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2357 * config/i386/i386.c (override_options): Handle -mtune=native
2359 * config/i386/x-i386: New file.
2360 * config/i386/driver-i386.c: New file.
2361 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2364 2006-05-09 Dirk Mueller <dmueller@suse.de>
2365 Richard Guenther <rguenther@suse.de>
2368 * fold-const.c (fold_read_from_constant_string): Relax check
2369 for matching types to matching modes.
2371 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2373 PR rtl-optimization/27335
2374 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2377 2006-05-08 Chao-ying Fu <fu@mips.com>
2378 Richard Sandiford <richard@codesourcery.com>
2380 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2381 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2382 * config/mips/mips.md (UNSPEC_SCC): New constant.
2383 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2384 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2385 (mips_emit_compare): Use it.
2386 (mips_expand_vcondv2sf): New function.
2388 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2390 Fix PR tree-optimization/27093
2391 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2392 renaming when they become not-used_alone.
2394 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2396 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2397 relocation and relocation stubs.
2399 2006-05-08 Eric Christopher <echristo@apple.com>
2401 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2404 2006-05-08 Jan Hubicka <jh@suse.cz>
2407 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2408 unused static functions are needed.
2410 2006-05-08 Roger Sayle <roger@eyesopen.com>
2413 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2414 of a reg_equiv_constant if the result is a legitimate constant.
2416 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2419 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2420 standard 80387 constants, raise the cost to prevent
2421 compress_float_constant() to generate load from memory.
2423 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2425 * config/arm/constraints.md (c): Fix a typo.
2427 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2430 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2433 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2435 (_mm_mwait): Likewise.
2437 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2439 (sse3_monitor): Make it 32bit only.
2440 (sse3_monitor64): New. 64bit monitor.
2442 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2445 * config/i386/i386.c (classify_argument): Skip fields with invalid
2448 2006-05-07 Richard Guenther <rguenther@suse.de>
2450 PR tree-optimization/27409
2451 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2452 Do not try to find zero-sized subvars.
2454 2006-05-07 Richard Guenther <rguenther@suse.de>
2456 PR tree-optimization/27136
2457 * tree-ssa-loop-niter.c (get_val_for): Correct function
2458 comment, assert requirements.
2459 (loop_niter_by_eval): Stop processing if the iterated
2460 value did not simplify.
2462 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2464 * opts.c (flag_see): remove its setting at -O3.
2466 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2468 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2469 * arm/constraints.md: New file.
2470 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2471 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2472 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2473 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2474 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2475 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2476 * arm.md: Include constraints.md.
2477 (thumb_movsi_insn): Use satisfies_constraint_J.
2478 (movhi, movqi): Use satisfies_constraint_I.
2480 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2482 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2483 for atmeg a645 device.
2485 2006-05-06 Richard Guenther <rguenther@suse.de>
2487 PR tree-optimization/27151
2488 * tree-vect-transform.c (vectorizable_condition): Punt on
2489 values that have a different type than the condition.
2491 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2494 * c-parser.c (c_parser_cast_expression): Only insert casts into
2495 hash table if pointer.
2496 * function.c (used_types_insert_helper): Rename from
2498 (used_types_insert): Call used_types_insert_helper.
2499 * function.h (used_types_insert): Accept only one argument.
2501 2006-05-05 David Edelsohn <edesohn@gnu.org>
2503 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2504 scratch with output modifier.
2506 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2509 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2510 with output modifier.
2512 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2515 * config/mips/mips.c (mips_symbolic_address_p): Return true
2516 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2517 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2519 2006-05-04 Richard Guenther <rguenther@suse.de>
2521 PR tree-optimization/14287
2522 PR tree-optimization/14844
2523 PR tree-optimization/19792
2524 PR tree-optimization/21608
2525 PR tree-optimization/27090
2526 * tree-ssa-pre.c (try_combine_conversion): New function.
2527 (compute_avail): After constructing the value-handle
2528 expression, use try_combine_conversion to combine NOP_EXPRs
2529 with previous value-handle expressions and use the result if it
2532 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2534 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2536 2006-05-04 Jan Hubicka <jh@suse.cz>
2539 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2541 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2543 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2544 that this only matches CONST_INTs. All users changed to VOIDmode
2547 * config/bfin/bfin.c: Include "optabs.h".
2548 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2550 (enum bfin_builtins): Add a number of fractional and vector builtins.
2551 (bfin_init_builtins): Likewise.
2552 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2553 (safe_vector_operand, bfin_expand_binop_builtin,
2554 bfin_expand_unop_builtin): New functions.
2555 (bfin_expand_builtin): Handle the new builtins.
2556 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2559 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2562 * Makefile.in (OBJS-common): Add see.o.
2563 (see.o): Add dependencies.
2564 * common.opt (fsee): New flag for the see optimization was added.
2565 * opts.c (flag_see): Initialized.
2566 * passes.c (init_optimization_passes, pass_see): New pass.
2567 * rtl.h (see_main): Declaration as extern.
2568 * timevar.def (TV_SEE): New.
2569 * tree-pass.h (pass_see): Declaration as extern.
2570 * invoke.texi (-fsee): Document.
2571 * recog.c (validate_simplify_insn): New function.
2572 * recog.h (validate_simplify_insn): Declaration as extern.
2573 * df-problems.c (df_chain_dump): Check for NULL.
2575 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2576 Daniel Berlin <dberlin@dberlin.org>
2578 * cfgrtl.c (insert_insn_bb_end_new): New function.
2579 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2581 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2583 * df.h (struct web_entry): Moved from web.c.
2584 (union_defs): Declaration as extern.
2585 (unionfind_root): Likewise.
2586 (unionfind_union): Likewise.
2587 * web.c (struct web_entry): Moved to df.h.
2588 (unionfind_root): Remove static declaration.
2589 (unionfind_union): Likewise.
2590 (union_defs): Likewise and generalize to use callback function.
2591 (web_main): Update arguments for union_defs function call.
2593 2006-05-04 Richard Guenther <rguenther@suse.de>
2595 PR tree-optimization/26447
2596 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2597 produce SSA_NAME copies before the store stmt to avoid
2598 breaking exception handling.
2600 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2603 * gimplify.c (omp_is_private): If var is shared in some outer context,
2604 return false instead of true. Stop searching on parallel context
2607 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2610 * coverage.c: Use get_gcov_unsigned_t() instead of
2611 unsigned_type_node all over.
2613 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2615 PR tree-optimization/27381
2616 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2617 maintain the same immediate_use links.
2618 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2619 node rather than segfaulting.
2621 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2624 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2625 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2626 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2628 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2630 Fix PR tree-optimization/26626
2631 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2633 * tree-ssa-operands.c (access_can_touch_variable): Allow
2634 typecasting through union pointers.
2636 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2639 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2640 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2641 to find if var will be a global variable even in the nested context.
2642 (omp_copy_decl): Only check for global variable at the end, it might
2643 be overridden in outer contexts.
2644 (scan_sharing_clauses): For global variables don't create a field.
2645 (lower_rec_input_clauses): Do nothing for global shared variables.
2646 Emit a barrier at the end of ILIST if there were any decls in both
2647 firstprivate and lastprivate clauses.
2648 (lower_send_clauses): Do nothing for global variables except for
2651 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2653 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2654 of the correct signedness is returned.
2656 2006-05-02 Jeff Law <law@redhat.com>
2658 PR tree-optimization/27364
2659 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2660 multiply expressions.
2662 2006-05-02 Tom Tromey <tromey@redhat.com>
2664 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2666 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2669 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2670 -mthumb -fPIC are used.
2672 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2673 Joshua Kinard <kumba@gentoo.org>
2676 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2677 with 64-bit pointers.
2679 2006-05-02 Paul Brook <paul@codesourcery.com>
2681 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2683 (create_fix_barrier): Check that a suitable barrier location is
2685 (arm_reorg): Include ftmp->address in allowable range of addresses.
2687 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2690 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2693 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2696 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2697 around RESULT_DECL for result passed by reference.
2698 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2699 * omp-low.c (use_pointer_for_field): Don't look at
2700 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2701 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2702 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2703 time or var for passing by reference for
2704 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2705 TREE_ADDRESSABLE variables when passing by reference.
2707 * omp-low.c (dump_omp_region): Fix output formatting.
2710 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2711 (expand_omp_parallel): Likewise.
2712 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2715 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2716 on statement list containing also constructors and destructors.
2717 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2720 * except.c (duplicate_eh_regions): Fix clearing of
2721 cfun->eh->region_array entries.
2723 2006-05-01 DJ Delorie <dj@redhat.com>
2725 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2727 (gcc_cv_objdump): Likewise.
2728 * configure: Regenerated.
2730 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2733 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2734 templates for case 3 and 4.
2736 2006-05-01 DJ Delorie <dj@redhat.com>
2738 * vec.c: Include bconfig.h when appropriate.
2739 * Makefile.in (build/vec.o): Adjust dependencies.
2740 * mkconfig.sh: Make sure config.h isn't used for build machine
2743 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2745 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2747 (mark_phi_for_rewrite): New function.
2748 (insert_phi_nodes_for, mark_use_interesting): Call
2749 mark_phi_for_rewrite.
2750 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2751 (update_ssa): Initialize and free phis_to_rewrite.
2753 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2755 PR rtl-optimization/27291
2756 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2757 folded to a constant.
2759 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2761 PR tree-optimization/27283
2762 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2763 not whole # of iteration descriptions.
2764 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2765 uses abnormal ssa name.
2766 (niter_for_single_dom_exit): Ditto.
2767 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2768 return just the number of iterations.
2770 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2772 PR tree-optimization/27144
2773 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2774 (record_estimate): Only record constant upper bound.
2775 (infer_loop_bounds_from_undefined): Call
2776 compute_estimated_nb_iterations just once.
2777 (proved_non_wrapping_p): Renamed to ...
2778 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2779 (convert_step_widening, scev_probably_wraps_p): Call
2780 n_of_executions_at_most instead of proved_non_wrapping_p.
2781 (substitute_in_loop_info): Do not replace values in bounds.
2782 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2785 2006-05-01 Richard Henderson <rth@redhat.com>
2788 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2789 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2792 2006-05-01 Roger Sayle <roger@eyesopen.com>
2794 * c-typeck.c (parser_build_binary_op): Don't call the function
2795 unsigned_conversion_warning to spot operand/result type overflow.
2796 (build_binary_op): Instead, call convert_and_check instead of
2797 convert to report the problem when the operands are promoted.
2798 * c-common.c (unsigned_conversion_warning): Make static.
2799 * c-common.h (unsigned_conversion_warning): Delete prototype.
2801 2006-05-01 Richard Guenther <rguenther@suse.de>
2803 PR tree-optimization/26726
2804 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2806 (find_interesting_uses_address): ... we work around here
2807 by folding INDIRECT_REFs in the substituted base.
2809 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2811 * omp-low.c (dump_omp_region): Add newlines.
2813 2006-04-30 Roger Sayle <roger@eyesopen.com>
2815 * common.opt (Woverflow): New command line option.
2816 * c-common.c (constant_expression_warning): Check warn_overflow.
2817 (overflow_waring): Pass OPT_Woverflow to warning.
2818 (unsigned_conversion_warning): Likewise.
2819 (convert_and_check): Likewise.
2820 * doc/invoke.texi: Document new command line option.
2822 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2824 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2825 TARGET_NO_FP_IN_TOC for section anchors.
2826 (optimization_options): Enable section anchors for all
2827 non-"Objective" languages.
2829 2006-04-28 Eric Christopher <echristo@apple.com>
2831 * config/darwin-c.c (darwin_ms_struct): Move this
2832 (darwin_set_default_type_attributes): and this...
2833 * config/darwin.c: ... here.
2834 * config/darwin.h (darwin_ms_struct): Declare.
2836 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2838 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2840 2006-04-28 Roger Sayle <roger@eyesopen.com>
2843 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2844 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2845 an unsigned HOST_WIDE_INT.
2846 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2848 (really_start_incremental_init): No need to call convert because
2849 bitsize_zero_node is already of type bitsizetype.
2850 (push_init_level): Extract the value of constructor_index as an
2851 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2852 (process_init_element): Likewise.
2854 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2856 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2857 value before passing to make_relative_prefix.
2859 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2862 * builtins.c (expand_builtin_memset): Expand val in original mode.
2864 2006-04-27 Eric Christopher <echristo@apple.com>
2866 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2867 with #ifndef/#endif.
2868 * config/darwin-c.c (darwin_ms_struct): New.
2869 (darwin_pragma_ms_struct): Ditto.
2870 (darwin_set_default_type_attributes): Ditto.
2871 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2872 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2873 Register ms_struct pragma.
2874 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2875 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2876 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2877 darwin_set_default_type_attributes if TARGET_MACHO.
2879 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2881 PR tree-optimization/26854
2882 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2883 * doc/tree-ssa.texi: Update immuse iterator documentation.
2884 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2885 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2886 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2887 first_safe_imm_use, next_safe_imm_use): Remove.
2888 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2889 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2890 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2891 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2892 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2893 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2894 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2895 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2896 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2897 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2898 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2899 (perfect_nestify): Use new iterator.
2900 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2902 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2903 (next_imm_name): New field in struct immediate_use_iterator_d.
2904 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2905 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2906 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2907 * tree-cfg.c (replace_uses_by): Use new iterator.
2908 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2909 * tree-ssa-operands.c (correct_use_link): Remove.
2910 (finalize_ssa_use_ops): No longer call correct_use_link.
2912 2006-04-27 Stuart Hastings <stuart@apple.com>
2914 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2915 * config/t-darwin (crt3.o): Use it.
2916 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2917 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2918 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2919 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2920 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2923 2006-04-27 Roger Sayle <roger@eyesopen.com>
2925 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2926 size, force the intermediate into a new pseudo rather instead of
2927 performing both a bitwise AND and a bitwise IOR in memory.
2929 2006-04-27 Richard Guenther <rguenther@suse.de>
2931 PR rtl-optimization/26685
2932 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2933 this one "max-flow-memory-locations".
2935 2006-04-27 Richard Guenther <rguenther@suse.de>
2937 PR tree-optimization/25148
2938 * tree-vrp.c (compare_values): Remove code dealing with
2939 comparisons against type min/max value. Honour overflow
2940 and negative constants in code dealing with comparisons
2941 of plus and minus expressions.
2942 (value_inside_range): Use fold_binary with LE_EXPR and
2943 GE_EXPR rather than compare_values.
2945 2006-04-27 Dirk Mueller <dmueller@suse.de>
2947 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2950 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2952 * basic-block.h (safe_insert_insn_on_edge): Removed.
2953 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2955 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2956 Paolo Bonzini <bonzini@gnu.org>
2959 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2960 (simplify_and_const_int): Same.
2962 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2964 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2966 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2969 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2970 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2971 cgraph_global_info_ready.
2974 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2977 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2978 either decl or init is error_mark_node.
2981 * tree-flow.h (struct omp_region): Add sched_kind.
2982 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2983 instead of extracting omp for data.
2984 (expand_omp_for): Save extracted sched_kind.
2986 2006-04-25 Roger Sayle <roger@eyesopen.com>
2988 * expmed.c (store_bit_field): Also check whether the bitsize is
2989 valid for the machine's "insv" instruction before moving the
2990 target into a pseudo for use with the insv.
2991 * config/i386/predicates.md (const8_operand): New predicate.
2992 * config/i386/i386.md (extv, extzv, insv): Use the new
2993 const8_operand predicate where appropriate.
2995 2006-04-25 DJ Delorie <dj@redhat.com>
2997 * doc/install.texi (Specific): Clarify that this is not a list of
2998 supported hosts or targets.
3000 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3002 PR rtl-optimization/26725
3003 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3004 block's BB_DIRTY flag.
3006 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3008 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3011 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3012 to print an integer.
3014 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3016 * varasm.c (align_variable): New function.
3017 (get_block_for_decl): Apply align_variable to DECL before
3018 calculating section information.
3019 (assemble_variable): Split out alignment computation.
3021 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3023 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3026 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3028 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3029 MODE_PARTIAL_INT mode.
3030 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3031 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3033 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3034 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3036 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3038 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3040 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3041 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3042 MACFLAG_IH): Likewise.
3043 (movstricthi_1): Renamed from "*movstricthi".
3044 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3045 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3046 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3047 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3048 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3049 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3050 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3051 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3052 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3053 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3054 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3055 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3056 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3057 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3058 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3060 * doc/rtl.texi (ss_ashift): Improve wording.
3062 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3064 * dwarf2out.c (verify_marks_clear): New.
3065 (prune_unused_types): Call verify_marks_clear initially, not
3068 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3070 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3071 * doc/rtl.texi: Document them.
3072 * simplify-rtx.c (simplify_unary_operation,
3073 simplify_binary_operation_1): Don't abort when we see them.
3075 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3078 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3079 * configure.ac: Completely disregard languages that are not
3081 * configure: Regenerated.
3083 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3084 Richard Guenther <rguenther@suse.de>
3086 PR tree-optimization/27236
3087 * tree-inline.c (copy_body_r): Make sure to copy
3088 TREE_THIS_VOLATILE flag.
3090 2006-04-24 Richard Guenther <rguenther@suse.de>
3093 * tree-complex.c (update_parameter_components): Don't handle
3094 unused parameters which have no default def.
3096 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3097 Richard Guenther <rguenther@suse.de>
3099 PR tree-optimization/27218
3100 * tree-inline.c (expand_call_inline): Strip useless type
3101 conversions for the return slot address.
3103 2006-04-24 Richard Guenther <rguenther@suse.de>
3105 * cfgloop.h (struct loops): Remove unused field array. Reorder
3107 (LOOP_PREFETCH): Remove.
3109 2006-04-24 Richard Guenther <rguenther@suse.de>
3111 PR tree-optimization/22525
3112 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3113 variable, adjust types of generated expressions.
3115 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3117 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3118 (tree-vect-patterns.o): Likewise.
3120 (cselib.o): Likewise.
3121 (loop-doloop.o): Likewise.
3122 (regclass.o): Likewise.
3123 (reload1.o): Likewise.
3124 (explow.o): Replace target.h with $(TARGET_H).
3125 (ipa-prop.o): Likewise.
3126 (ipa-cp.o): Likewise.
3127 (ipa-inline.o): Likewise.
3128 (reorg.o): Likewise.
3129 (reg-stack.o): Likewise.
3131 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3133 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3135 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3137 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3139 * configure.ac: Completely disregard languages that are not
3141 * configure: Regenerated.
3144 * c-common.h (c_build_bitfield_integer_type): Declare.
3145 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3146 * c-common.c (c_build_bitfield_integer_type): ... here.
3148 2006-04-23 Roger Sayle <roger@eyesopen.com>
3151 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3152 a SImode SUBREG of a floating point register after no_new_pseudos.
3154 2006-04-23 Roger Sayle <roger@eyesopen.com>
3156 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3157 identify potentially eliminable registers to additionally catch
3158 VIRTUAL_INCOMING_ARGS_REGNUM.
3159 (addsi3): Update the conditions on when to use addsi_small_int.
3161 2006-04-23 Roger Sayle <roger@eyesopen.com>
3164 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3165 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3166 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3168 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3170 * fold-const.c (range_predecessor): Use operand_equal_p
3171 as the predicate for equality.
3172 (range_successor): Likewise.
3174 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3177 * config/soft-fp/op-common.h: Fix a typo.
3179 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3182 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3183 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3185 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3187 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3189 * doc/tm.texi: Fix a typo.
3191 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3193 * dwarf2out.c (struct die_struct): Document that die_sib makes
3194 a circular linked list.
3195 (FOR_EACH_CHILD): New.
3196 (reverse_die_lists): Delete.
3197 (reverse_all_dies): Delete.
3198 (add_dwarf_attr): Correct documentation.
3199 (remove_child_with_prev): New.
3200 (remove_child_TAG): Update for change to die_struct, use
3201 remove_child_with_prev.
3202 (add_child_die): Update for change to die_struct.
3203 (splice_child_die): Use remove_child_with_prev and add_child_die.
3204 (print_die): Use FOR_EACH_CHILD.
3205 (die_checksum): Likewise.
3206 (assign_symbol_names): Likewise.
3207 (output_location_lists): Likewise.
3208 (build_abbrev_table): Likewise.
3209 (calc_die_sizes): Likewise.
3210 (mark_dies): Likewise.
3211 (unmark_dies): Likewise.
3212 (unmark_all_dies): Likewise.
3213 (output_die): Likewise.
3214 (prune_unused_types_mark): Likewise.
3215 (prune_unused_types_walk): Likewise.
3216 (same_die_p): Update for change to die_struct.
3217 (break_out_includes): Likewise.
3218 (prune_unused_types_prune): Likewise.
3219 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3220 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3222 (dwarf2out_finish): Don't call reverse_all_dies.
3224 2006-04-21 Eric Christopher <echristo@apple.com>
3226 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3227 in comments and function names.
3229 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3232 * c-typeck.c (digest_init): Robustify.
3234 * c-typeck.c (pop_init_level): Simplify.
3236 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3238 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3240 2006-04-21 Paul Brook <paul@codesourcery.com>
3242 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3243 hardware floating point.
3245 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3247 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3250 2006-04-21 Nick Clifton <nickc@redhat.com>
3252 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3255 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3258 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3259 C++ lang type in traceback table for Objective-C++.
3261 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3263 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3265 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3267 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3270 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3271 were errors. Remove check for erroneous objects.
3273 2006-04-20 Jeff Law <law@redhat.com>
3275 PR tree-optimization/26854
3276 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3277 checking for zero or one use.
3278 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3279 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3280 * tree-ssa-reassoc.c (negate_value): Similarly.
3281 (reassociate_bb): Similarly.
3283 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3285 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3286 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3287 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3289 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3291 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3292 fp regs if the last fp arg doesn't fit in regs.
3294 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3297 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3298 that the last insn has the REG_INC note.
3300 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3301 Nathan Sidwell <nathan@codesourcery.com>
3304 * stor-layout.c (update_alignment_for_field): Do not align
3306 (place_union_field): Place union field at the start of the union.
3307 (place_field): Move ERROR_MARK check later, and use the current
3308 allocation position to maintain monotonicity.
3310 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3312 * dominance.c: Include timevar.h.
3313 (calculate_dominance_info): Use TV_DOMINANCE.
3314 * timevar.def (TV_DOMINANCE): New timevar.
3315 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3317 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3319 PR rtl-optimization/14261
3320 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3321 move would be an INSV insn.
3322 (noce_process_if_block): Don't optimize if the destination is a
3323 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3325 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3327 * config/s390/s390.md: Add comments with the instructions emitted
3328 by an insn pattern if macros are used.
3330 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3332 PR rtl-optimization/26026
3333 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3334 is a known power of two shifted left a variable amount.
3336 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3338 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3339 to hash table twice when the debug_str section has SECTION_MERGE.
3341 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3343 * config/soft-fp: New directory. From glibc.
3344 * config/soft-fp/t-softfp: New.
3345 * config/soft-fp/README: New.
3346 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3347 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3348 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3349 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3350 * config.gcc: Use rs6000/t-fprules-fpbit or
3351 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3353 * config/rs6000/sfp-machine.h: New. Based on glibc.
3354 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3356 * config/rs6000/t-fprules: Remove fp-bit rules.
3357 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3358 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3359 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3360 (softfp_wrap_start, softfp_wrap_end): New.
3362 2006-04-18 DJ Delorie <dj@redhat.com>
3364 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3366 2006-04-18 Devang Patel <dpatel@apple.com>
3368 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3370 2006-04-18 Nick Clifton <nickc@redhat.com>
3372 * config/sh/t-symbian: Add rule to build sh-c.o
3373 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3374 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3375 (sh_symbian_encode_section_info): Likewise.
3377 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3379 * builtins.c (expand_builtin_strcmp): Cover label definition of
3380 do_libcall with HAVE_cmpstrnsi.
3382 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3384 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3386 * function.h (temp_slot_p): New.
3387 (function): Change the type of x_used_temp_slots to
3388 VEC(temp_slot_p,gc) *.
3390 2006-04-18 Nick Clifton <nickc@redhat.com>
3392 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3393 flag_strength_reduce.
3395 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3397 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3401 Partial revert of revision 112637
3402 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3403 Dale Johannesen <dalej@apple.com>
3406 * regclass.c (struct reg_pref): Update documentation.
3407 (regclass): Set prefclass to NO_REGS if memory is the best option.
3408 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3410 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3412 PR tree-optimization/26821
3413 * tree-ssa-math-opts.c (get_constant_one): New.
3414 (insert_reciprocals): Use it.
3416 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3418 * dwarf2out.c (free_AT): Delete.
3419 (remove_AT): Update string ref counts.
3420 (remove_child_TAG): Don't call free_die.
3422 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3423 or DW_TAG_GNU_EINCL.
3424 (prune_unused_types_walk_attribs): Reset string refcounts.
3425 (prune_unused_types_update_strings): New.
3426 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3427 call free_die. Do call prune_unused_types_update_strings.
3428 (prune_unused_types): Empty debug_str_hash.
3430 2006-04-17 Roger Sayle <roger@eyesopen.com>
3432 * expr.c (expand_assignment): Optimize away no-op moves where the
3433 source and destination are equal and have no side-effects.
3435 2006-04-17 Richard Guenther <rguenther@suse.de>
3438 * reload.c (push_reload): Guard calls to get_secondary_mem
3441 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3443 * alias.c (reg_base_value, old_reg_base_value): Change the
3444 type to VEC(rtx,gc) *.
3445 (REG_BASE_VALUE, find_base_value, record_set,
3446 init_alias_analysis): Use VEC instead of VARRAY.
3448 * alias.c (alias_sets): Change the type to
3449 VEC(alias_set_entry,gc) *.
3450 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3451 VEC instead of VARRAY.
3452 (last_alias_set): Remove.
3454 * cgraph.h (cgraph_edge_p): New.
3455 Update the prototype of cgraph_function_versioning.
3456 * cgraphunit.c (cgraph_copy_node_for_versioning,
3457 cgraph_function_versioning): Use VEC instead of VARRAY.
3458 * ipa-cp.c (ipcp_insert_stage): Likewise.
3460 2006-04-16 Roger Sayle <roger@eyesopen.com>
3463 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3464 "A op B" or "A op C", we may need to convert A to the type of B and C.
3466 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3468 * target.h (struct gcc_target): Add mode_rep_extended.
3469 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3470 (init_num_sign_bit_copies_in_rep): Initialize it using
3472 (truncate_to_mode): Use it.
3473 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3474 * targhooks.h (default_mode_rep_extended): Declare it.
3475 * targhooks.c (default_mode_rep_extended): Define it.
3476 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3477 default_mode_rep_extended.
3478 (TARGET_INITIALIZER): Include it.
3479 * doc/tm.texi (Misc): Document it.
3480 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3481 (mips_truncated_to_mode): New function.
3483 2006-04-16 Roger Sayle <roger@eyesopen.com>
3486 * expr.c (compress_float_constant): Copy the narrow constant into
3487 a new pseudo before extending it to its final width.
3489 2006-04-16 Roger Sayle <roger@eyesopen.com>
3490 Andrew Pinski <pinskia@gcc.gnu.org>
3491 Dale Johannesen <dalej@apple.com>
3494 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3495 special case code to implement V8HImode and V16QImode with SSE2.
3497 2006-04-15 Roger Sayle <roger@eyesopen.com>
3499 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3500 trees are constructed with a suitable tree type.
3502 2006-04-15 Roger Sayle <roger@eyesopen.com>
3504 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3505 (integer_onep): Likewise.
3506 (integer_all_onesp): Likewise.
3507 (integer_pow2p): Likewise.
3508 (integer_nonzerop): Likewise.
3509 (real_zerop): Likewise.
3510 (real_onep): Likewise.
3511 (real_twop): Likewise.
3512 (real_minus_onep): Likewise.
3513 (int_size_in_bytes): Likewise.
3514 (host_integerp): Likewise.
3516 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3518 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3519 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3520 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3522 * tree-ssa-structalias.h (alias_info): Remove num_references.
3524 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3526 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3527 (output_bvb patterns): Likewise.
3528 * pa.c (output_bb): Use 'bb' insn for long branch case.
3529 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3530 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3531 1. Correct length operand for alternatives 1 and 2.
3532 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3533 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3535 2006-04-14 Roger Sayle <roger@eyesopen.com>
3537 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3538 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3539 were accidentally reverted by r112959.
3541 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3544 * except.h (eh_region_outermost): New prototype.
3545 * except.c (eh_region_outermost): New function.
3546 * tree-cfg.c (find_outermost_region_in_block): Use it.
3548 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3550 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3552 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3553 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3554 (init_reload, reload): Use VEC instead of VARRAY.
3555 * reload.h: Update the prototype for
3556 reg_equiv_memory_loc_varray.
3558 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3559 Eric Botcazou <ebotcazou@libertysurf.fr>
3561 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3564 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3567 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3568 to expand fallback builtin function call.
3570 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3573 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3574 and emit libcall here in case the builtin fails.
3575 (expand_builtin_strcmp): Always emit the libcall here on failure.
3577 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3579 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3580 * flow.c (reg_n_info): Change the type to
3581 VEC(reg_info_p,heap) *.
3582 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3584 * regs.h (reg_info_p): New.
3585 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3586 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3587 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3590 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3592 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3594 * params.h (MAX_SCHED_READY_INSNS): New macro.
3595 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3596 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3597 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3598 the ready list for 1 cycle during the first scheduling pass.
3599 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3601 2006-04-13 Richard Henderson <rth@redhat.com>
3604 * gimple-low.c (lower_omp_directive): Remove dead code.
3605 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3606 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3607 * omp-low.c (struct omp_region): Move to tree-flow.h.
3608 (root_omp_region): Export.
3609 (omp_regions, lookup_omp_region): Remove.
3610 (determine_parallel_type): Update for struct omp_region changes.
3611 (dump_omp_region): Dump regions with block numbers.
3612 (new_omp_region): Take type and block instead of stmt; malloc
3614 (free_omp_region_1, free_omp_regions): New.
3615 (expand_parallel_call): Take entry_stmt as argument; update for
3616 changes to omp_region.
3617 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3618 (remove_exit_barriers): New.
3619 (expand_omp_parallel): Update for struct omp_region changes.
3620 (expand_omp_synch): Likewise.
3621 (expand_omp): Likewise.
3622 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3623 (expand_omp_for_static_chunk): Likewise.
3624 (expand_omp_for): Likewise.
3625 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3626 (expand_omp_sections): Similarly, with GOMP_sections_end.
3627 (expand_omp_single): New.
3628 (build_omp_regions_1): Update for OMP_CONTINUE.
3629 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3630 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3631 OMP_SECTIONS_SECTIONS.
3632 (lower_omp_single_simple): Don't emit barrier here.
3633 (lower_omp_single_copy): Likewise.
3634 (lower_omp_single): Fix bindings, and lower to straightline now.
3635 (lower_omp_master, lower_omp_ordered): Likewise.
3636 (lower_omp_critical): Likewise.
3637 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3638 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3639 omp edges, free it afterward.
3640 (make_omp_sections_edges): Remove.
3641 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3642 (move_stmt_r): Handle OMP_CONTINUE.
3643 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3644 statement pointers to basic blocks. Add type member.
3645 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3646 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3647 * tree-inline.c (estimate_num_insns_1): Likewise.
3648 * tree-pretty-print.c (dump_generic_node): Likewise.
3649 * tree-ssa-operands.c (get_expr_operands): Likewise.
3650 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3651 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3652 (OMP_CONTINUE): New.
3653 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3654 (OMP_SECTIONS_SECTIONS): Remove.
3655 (OMP_SECTION_LAST): New.
3656 (OMP_RETURN_NOWAIT): New.
3658 2006-04-13 Roger Sayle <roger@eyesopen.com>
3660 * fold-const.c (native_encode_vector, native_interpret_real):
3661 Correct obvious mistakes in the previous check-in.
3663 2006-04-13 Roger Sayle <roger@eyesopen.com>
3665 * fold-const.c (native_encode_expr): New function to encode
3666 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3667 or VECTOR_CST into a specified buffer.
3668 (native_encode_int): New function.
3669 (native_encode_real): New function.
3670 (native_encode_complex): New function.
3671 (native_encode_vector): New function.
3672 (native_interpret_expr): Inverse of native_encode_expr to convert
3673 a target representation into an INTEGER_CST, REAL_CST etc...
3674 (native_interpret_int): New function.
3675 (native_interpret_real): New function.
3676 (native_interpret_complex): New function.
3677 (native_interpret_vector): New function.
3678 (fold_view_convert_expr): New function to constant fold/evaluate
3679 a VIEW_CONVERT_EXPR of a suitable constant expression.
3680 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3681 Change call of build1 to fold_build1 when constructing a
3684 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3685 Ulrich Weigand <uweigand@de.ibm.com>
3688 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3691 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3694 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3695 optimize to lo_sum for DFmode if !TARGET_FPRS.
3697 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3699 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3700 delete_alias_info, compute_flow_sensitive_aliasing,
3701 group_aliases): Use VEC instead of VARRAY.
3702 * tree-ssa-structalias.c (update_alias_info): Likewise.
3703 * tree-ssa-structalias.h (alias_info): Change the type of
3704 processed_ptrs to VEC(tree,heap) *.
3706 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3709 * config/sh/lib1funcs.h: New file, broken out of:
3710 * config/sh/lib1funcs.asm.
3711 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3713 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3714 * config/sh/lib1funcs-Os-4-200.asm: New file.
3715 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3716 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3717 (EXTRA_MULTILIB_PARTS): Include it.
3718 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3719 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3720 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3721 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3724 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3726 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3727 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3728 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3730 * tree-ssa-live.h: Include vecprim.h.
3731 (tree_partition_associator_d): Change the type of
3732 first_partition to VEC(int,heap) *.
3733 (tpa_first_partition): Use VEC instead of VARRAY.
3735 * Makefile.in (GTFILES): Move functions.h after tree.h.
3736 * function.c (reset_block_changes, record_block_change,
3737 check_block_change, free_block_changes): Use VEC instead of
3739 * function.h (function): Change the type of
3740 ib_boundaries_block to VEC(tree,gc) *.
3741 * tree-inline.c (copy_cfg_body): Initialize
3742 ib_boundaries_block to NULL instead of (varray_type) 0.
3744 2006-04-12 Roger Sayle <roger@eyesopen.com>
3746 * expr.c (emit_group_store): Correct operand order in call to
3747 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3748 a SUBREG_BYTE of zero.
3750 2006-04-12 Richard Guenther <rguenther@suse.de>
3752 * profile.c (compute_branch_probabilities): Remove code
3753 encapsulated in !ir_type (), which are remanents of the
3754 removed RTL profiling code.
3755 * rtl-profile.c: Remove.
3757 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3759 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3760 magic NULL_RTX comment.
3761 (function_arg): Store entire fp arg to mem if any part should go
3763 (rs6000_arg_partial_bytes): Adjust for above change.
3765 2006-04-11 Roger Sayle <roger@eyesopen.com>
3767 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3768 if it hasn't been initialized by dwarf2out_init.
3770 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3772 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3773 symbolic constants in branch patterns.
3775 2006-04-11 Roger Sayle <roger@eyesopen.com>
3777 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3779 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3781 PR rtl-optimization/27073
3782 * gcse.c (try_replace_reg): Revert last change. Continue to search
3783 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3786 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3788 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3789 aggregate types other than record and union types.
3790 (function_arg): Likewise.
3791 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3793 (function_value): In 64-bit mode, return objects that require it
3796 2006-04-11 Roger Sayle <roger@eyesopen.com>
3798 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3800 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3802 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3804 2006-04-03 Jeff Law <law@redhat.com>
3807 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3808 alias information too.
3810 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3812 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3814 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3817 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3818 (premark_used_types_helper): New.
3819 (premark_used_types): New.
3820 (gen_subprogram_die): Call premark_used_types.
3821 (prune_unused_types_walk): Do not prune perennial dies.
3822 * function.c (used_types_insert): New.
3823 * function.h (struct function): Add used_types_hash field.
3824 (used_types_insert): Add prototype.
3825 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3826 * c-parser.c (c_parser_cast_expression): Save casted types in used
3829 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3832 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3833 rs6000_explicit_options.float_gprs.
3835 2006-04-10 Roger Sayle <roger@eyesopen.com>
3837 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3838 from ix86_expand_vector_init_low_nonzero. Take an additional
3839 one_var argument indicating which element is non-zero. Support
3840 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3841 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3842 with one_var instead of ix86_expand_vector_init_low_nonzero.
3844 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3846 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3847 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3848 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3849 build/genextract.o): Depend on vecprim.h.
3850 * cfglayout.c, df-problems.c, function.c, genextract.c,
3851 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3852 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3856 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3858 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3859 Declare VECs of this type.
3860 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3861 (remove_children): Delete.
3862 (add_dwarf_attr): Use VEC routines.
3863 (add_AT_flag): Update for changes to add_dwarf_attr.
3864 (add_AT_int): Likewise.
3865 (add_AT_unsigned): Likewise.
3866 (add_AT_long_long): Likewise.
3867 (add_AT_vec): Likewise.
3868 (add_AT_string): Likewise.
3869 (add_AT_die_ref): Likewise.
3870 (add_AT_fde_ref): Likewise.
3871 (add_AT_loc): Likewise.
3872 (add_AT_loc_list): Likewise.
3873 (add_AT_addr): Likewise.
3874 (add_AT_lbl_id): Likewise.
3875 (add_AT_lineptr): Likewise.
3876 (add_AT_macptr): Likewise.
3877 (add_AT_offset): Likewise.
3878 (add_AT_range_list): Likewise.
3879 (get_AT): Use VEC_iterate.
3880 (remove_AT): Use VEC_ordered_remove.
3881 (free_die): Fold remove_children into here; have it use VEC_iterate.
3882 (print_die): Use VEC_iterate on attrs.
3883 (reverse_die_lists): Don't reverse attr lists.
3884 (die_checksum): Use VEC_iterate on attrs.
3885 (same_die_p): Likewise.
3886 (output_location_lists): Likewise.
3887 (build_abbrev_table): Likewise.
3888 (size_of_die): Likewise.
3889 (unmark_all_dies): Likewise.
3890 (output_abbrev_section): Likewise.
3891 (output_die): Likewise.
3892 (prune_unused_types_walk_attribs): Likewise.
3894 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3896 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3898 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3901 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3903 2006-04-09 Roger Sayle <roger@eyesopen.com>
3905 * expr.c (store_constructor): Don't bother clearing target if
3906 we're about to assign a vector to it using vec_init_optab.
3908 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3910 * tree-ssa-alias.c (lhs_may_store_to): New function.
3911 (recalculate_used_alone): Handle LHS of calls.
3913 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3917 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3918 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3919 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3920 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3921 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3922 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3923 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3924 stubs. Add ".align 8" directives before all ".dword" directives.
3925 (GTHREAD_USE_WEAK): Revise comment.
3926 (TARGET_ATTRIBUTE_WEAK): Define.
3927 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3928 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3929 * stublib.c: New file.
3934 * pa.md (cbranch patterns): Revise arguments used in calls to
3935 output_cbranch, output_bb and output_bvd. Add long branch length
3937 (fbranch patterns): Handle long branches.
3938 (jump): Revise length check. Revise arguments for output_lbranch call.
3939 Add long branch length attributes.
3940 (decrement_and_branch_until_zero): Add long branch length attributes.
3941 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3942 Likewise. Revise arguments for output_parallel_addb and
3943 output_parallel_movb calls.
3944 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3945 output_parallel_movb and output_parallel_addb): Update prototypes.
3946 * pa.c (output_cbranch): Revise arguments. Correct handling of
3947 nullification in long branches.
3948 (output_lbranch): Add new argument to control extraction of delay
3950 (output_bb): Handle long branches.
3951 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3952 output_parallel_addb): Likewise.
3954 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3956 PR rtl-optimization/27073
3957 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3960 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3962 * tree.h (tree_memory_tag): Add old_used_alone.
3963 (SMT_OLD_USED_ALONE): New macro.
3964 * tree-ssa-alias.c (recalculate_used_alone): Stop
3965 marking things for renaming unnecessarily.
3967 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3969 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3970 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3971 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3972 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3973 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3974 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3975 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3976 spelling convensions.
3977 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3978 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3979 typos. Follow spelling conventions.
3981 2006-04-07 DJ Delorie <dj@redhat.com>
3983 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3984 passed on the stack.
3985 (m32c_init_cumulative_args): When a function returns a structure,
3986 always pass the pointer to that return area on the stack.
3987 (m32c_function_arg_advance): Don't increment the parameter number
3988 if we're processing the returned structure pointer.
3989 (pushm_info): Reverse order of registers.
3991 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3993 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3994 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3995 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3996 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3998 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3999 chrec_fold_multiply): Same.
4000 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4001 force_expr_to_var_cost): Same.
4002 * tree-mudflap.c (mf_xform_derefs_1): Same.
4003 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4005 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4007 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4008 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4011 2006-04-07 Jan Hubicka <jh@suse.cz>
4013 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4015 2006-04-07 Richard Guenther <rguenther@suse.de>
4017 PR tree-optimization/26135
4018 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4019 loads for store copy-prop.
4020 (copy_prop_visit_stmt): Likewise.
4022 2006-04-05 Robert Millan <robertmh@gnu.org>
4024 * config/i386/linux.h: Add a comment to mark macros that are
4025 being overriden in config/k*bsd-gnu.h.
4026 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4028 * config/knetbsd-gnu.h: Ditto.
4030 2006-04-06 Jan Hubicka <jh@suse.cz>
4034 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4037 2006-04-06 Mike Stump <mrs@apple.com>
4039 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4040 for HAVE_nonlocal_goto to be consistent.
4041 (expand_builtin_nonlocal_goto): Likewise.
4042 (expand_builtin_strcmp): Use #ifdef instead of #if
4043 for HAVE_cmpstrnsi to be consistent.
4045 2006-04-05 DJ Delorie <dj@redhat.com>
4047 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4050 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4052 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4053 got-relative addressing for anything but SImode.
4055 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4056 even if the calling function doesn't modify them.
4058 2006-04-05 Richard Guenther <rguenther@suse.de>
4060 PR tree-optimization/26919
4061 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4062 to cgraph_estimate_size_after_inlining.
4064 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4066 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4068 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4070 PR tree-optimization/26996
4071 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4072 VECTOR_TYPE variables.
4074 2006-04-05 Richard Guenther <rguenther@suse.de>
4076 PR tree-optimization/26763
4077 * fold-const.c (fold_comparison): Move folding of
4078 PTR + CST CMP PTR + CST ...
4079 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4081 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4083 * doc/install.texi (Prerequisites): Refine some wording on
4084 bootstrapping and ksh.
4085 Move the version numbers of DejaGnu here from the testing section
4086 and fix casing of names.
4087 Fix markup and clarify wording for autogen requirements.
4088 Refer to GCJ instead of just java.
4089 Refer to SVN instead of CVS.
4090 Describe diffutils as useful instead of necessary.
4091 (Downloading the source): Refer to SVN instead of CVS.
4092 Adjust a link to our web site accordingly.
4093 (Configuration): Fix casing of Bison.
4094 (Building): Refer to SVN instead of CVS.
4095 Fix a sentence on the use of Bison and remove duplicate (and
4096 incorrect) version number of Bison requirement.
4097 Remove one redundant list of packages needed for building.
4098 (Specific): Avoid reference to CVS.
4100 2006-04-04 Eric Christopher <echristo@apple.com>
4102 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4103 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4104 (rs6000_handle_struct_attribute): New.
4105 (rs6000_ms_bitfield_layout_p): Ditto.
4107 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4109 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4110 NULL for dso parameter to atexit_common.
4112 2006-04-04 Eric Christopher <echristo@apple.com>
4114 * config/i386/i386.c (machopic_output_stub): Output \t
4115 between instructions and operands.
4117 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4119 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4120 satisfies_constraint_[IL] to explicit tests on value.
4122 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4124 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4125 set_nb_iterations_in_loop): Use build_int_cst instead of
4127 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4128 build_int_cst instead of convert.
4130 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4132 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4133 new value 2 for incoming.
4134 * function.c (expand_function_start): Call struct_value_rtx
4136 * config/sparc/sparc.md: Comment updated_return.
4137 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4138 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4139 struct return if sparc_std_struct_return and incoming is 2.
4140 (print_operand): Do not adjust return if
4141 sparc_std_struct_return.
4143 2006-04-04 Roger Sayle <roger@eyesopen.com>
4145 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4146 convert in the middle-end.
4147 * expr.c (store_expr, store_constructor, get_inner_reference,
4148 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4150 * tree.c (build_range_type): Likewise.
4152 2006-04-04 Tom Tromey <tromey@redhat.com>
4154 * doc/install.texi (Prerequisites): Mention jar.
4156 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4158 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4161 2006-04-04 Matthias Klose <doko@debian.org>
4163 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4164 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4167 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4169 * doc/extend.texi (Function Attributes): Rewrite visibility
4170 attribute documentation.
4171 * doc/invoke.texi (C++ Dialect Options): Rewrite
4172 -fvisibility-inlines-hidden documentation to describe something
4173 entirely different, although in practise compatible.
4174 (Code Gen Options): Warn about system headers in -fvisibility=
4177 * doc/extend.texi (Other Builtins): Document that
4178 __builtin_nan is a compile-time constant only when its argument
4181 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4183 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4184 trying to remove TRUNCATE check if all bits outside the new mode
4185 are identical to the sign bit.
4187 2006-04-03 Jeff Law <law@redhat.com>
4189 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4190 and operand scanning in some common cases.
4192 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4193 Dale Johannesen <dalej@apple.com>
4196 * regclass.c (struct reg_pref): Update documentation.
4197 (regclass): Set prefclass to NO_REGS if memory is the best option.
4198 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4199 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4200 into account. For non-registers, equate an empty preferred
4201 reload class to a `!' in the constraint; move the if clause to
4202 do so after those that reject the insn.
4203 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4205 (find_dummy_reload): Likewise.
4206 * doc/tm.texi (Register Classes): Document what it means
4207 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4208 * config/i386/i386.c (ix86_preferred_reload_class): Force
4209 using SSE registers (and return NO_REGS for floating-point
4210 constants) if math is done with SSE.
4211 (ix86_preferred_output_reload_class): New.
4212 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4213 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4214 * config/i386/i386.md: Remove # register preferences.
4216 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4219 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4220 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4221 the type of nb_iter.
4222 (instantiate_parameters_1): Convert the operands before calling
4223 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4224 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4226 2006-04-02 Roger Sayle <roger@eyesopen.com>
4228 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4229 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4231 * dojump.c (do_jump): Likewise.
4232 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4233 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4234 gimplify_boolean_expr): Likewise.
4235 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4236 * varasm.c (array_size_for_constructor): Likewise.
4237 * tree-object-size.c (compute_object_offset): Likewise.
4239 2006-04-02 Roger Sayle <roger@eyesopen.com>
4242 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4243 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4245 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4247 PR tree-optimization/26939
4248 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4250 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4252 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4253 at_stmt. Convert the type of operands before calling
4254 build_polynomial_chrec.
4255 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4257 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4258 (instantiate_parameters_1): Convert the type of operands before calling
4259 build_polynomial_chrec.
4260 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4261 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4262 reset_evolution_in_loop): Insert asserts to check the types of the
4264 (chrec_type): Moved...
4265 (eq_evolutions_p): Use operand_equal_p.
4266 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4267 the types of the operands.
4268 (chrec_type): ...here.
4269 * tree-data-ref.c (create_data_ref): Convert the operands before
4270 calling chrec_replace_initial_condition.
4271 (same_access_functions, analyze_subscript_affine_affine,
4272 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4273 (compute_subscript_distance, analyze_ziv_subscript,
4274 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4275 analyze_miv_subscript): Convert the operands before calling
4276 chrec_fold_minus or chrec_fold_plus.
4278 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4280 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4281 the dependence_relations vector.
4282 (compute_data_dependences_for_loop): Adjust call to
4283 compute_all_dependences.
4285 2006-04-01 Roger Sayle <roger@eyesopen.com>
4286 Richard Henderson <rth@redhat.com>
4288 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4289 gimple_boolify on the condition before calling gimplify_expr.
4291 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4293 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4294 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4295 the frame size. Update to use the new macros.
4296 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4297 * config/xtensa/ieee754-df.S: Likewise.
4299 2006-03-31 Richard Henderson <rth@redhat.com>
4301 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4302 (make_edges): ... here. Control fallthru creation with a local
4303 variable. Do not play with fake edges.
4304 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4305 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4308 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4310 * dwarf2.h (DW64_CIE_ID): Define.
4311 * dwarf2out.c (DWARF_CIE_ID): Define.
4312 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4313 length header. Use DWARF_CIE_ID.
4314 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4315 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4317 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4319 * config/sh/linux-atomic.asm: New file.
4320 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4322 2006-03-31 DJ Delorie <dj@redhat.com>
4324 * config/m32c/cond.md: Set condition flags properly throughout.
4325 * config/m32c/minmax.md: Likewise.
4326 * config/m32c/prologue.md: Likewise.
4327 * config/m32c/bitops.md: Likewise.
4328 * config/m32c/muldiv.md: Likewise.
4329 * config/m32c/mov.md: Likewise.
4330 * config/m32c/addsub.md: Likewise.
4331 * config/m32c/m32c.md: Likewise.
4332 * config/m32c/jump.md: Likewise.
4333 * config/m32c/shift.md: Likewise.
4335 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4336 conditionally output the pattern for this.
4337 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4338 (m32c_compare_redundant): New.
4339 (m32c_output_compare): New.
4340 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4342 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4343 dest, not src. Allow other 4-byte modes.
4345 2006-03-30 Denis Chertykov <denisc@overta.ru>
4347 * doc/md.texi: Refer to avr/constraints.md instead of
4350 2006-03-30 Roger Sayle <roger@eyesopen.com>
4352 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4353 signed vs. unsigned comparison failures on some hosts.
4355 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4358 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4359 change to FLOAT_REGS.
4361 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4362 (rs6000_override_options): Use it.
4363 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4364 only for -mabi=spe/no-spe and -mabi=altivec.
4366 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4368 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4371 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4373 * Makefile.in: Rename docdir to gcc_docdir.
4375 2006-03-30 Roger Sayle <roger@eyesopen.com>
4378 * expr.c (emit_group_store): Optimize group stores into a pseudo
4379 register by using a paradoxical subreg to initialize the destination
4380 if the first or last member of the group specifies a "low part".
4382 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4385 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4386 * target.h (struct gcc_target.speculate_insn): Change type of the
4387 second parameter to 'int'.
4388 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4389 the second operand of the DEPS_LIST.
4390 (copy_DEPS_LIST_list): Update reference to the second operand of the
4392 * rtl.h (alloc_DEPS_LIST): Update signature.
4393 * sched-int.h (ds_t): Change typedef to 'int'.
4394 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4396 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4398 * haifa-sched.c (try_ready): Change condition to restore
4399 non-speculative pattern of the instruction.
4400 (process_insn_depend_be_in_spec): Code to keep probability of the
4401 speculative dependence non-decreasing.
4403 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4405 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4406 (single_move_for_movmem): ... this. Also change all uses.
4407 (bfin_expand_strmov): Renamed to...
4408 (bfin_expand_movmem): ... this. Also change all uses.
4409 * config/bfin/bfin.md (movstrsi): Renamed to...
4410 (movstrsi): ...this.
4412 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4414 PR tree-optimization/26830
4416 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4417 (copy_prop_visit_stmt): Remove write-only variable ann.
4418 (init_copy_prop): Check variable loop depth here. Do not simulate
4419 memory-tag and virtual operand PHIs except for store copy prop.
4421 2006-03-30 Richard Guenther <rguenther@suse.de>
4423 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4424 variants with double arguments.
4426 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4428 * genpreds.c (write_tm_constrs_h): Delete variable p.
4429 * genconditions.c (write_header): Add tm-constrs.h to included
4431 * genpeep.c (main): Add toplev.h to included headers.
4432 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4433 (build/genpeep.o): Add toplev.h dependency.
4434 * config/rs6000/constraints.md: Add "W" constraint.
4436 2006-03-29 Roger Sayle <roger@eyesopen.com>
4438 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4439 sizes by correctly testing whether the size fits a host integer.
4440 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4441 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4442 SImode range for the default sizetype and bitsizetype.
4444 2006-03-29 Roger Sayle <roger@eyesopen.com>
4446 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4447 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4448 quickly if the argument is already of the correct type.
4449 Call fold_build1 instead of build1. Tidy up blank lines.
4451 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4453 * genemit.c (main): Add tm-constrs.h to included headers.
4454 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4455 * genpeep.c (main): Add tm-constrs.h to included headers.
4456 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4457 (write_tm_constrs_h): this and write complete file.
4458 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4459 (write_insn_preds_c): Add tm-constrs.h to included headers.
4460 (gen_constrs): New variable.
4461 (parse_option): Parse "-c".
4462 (main): Invoke write_tm_constrs_h.
4463 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4464 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4465 (object_out_file): Add tm-constrs.h dependency.
4466 (insn-emit.o): Same.
4467 (insn-output.o): Same.
4468 (insn-peep.o): Same.
4469 (insn-preds.o): Same.
4470 (insn-recog.o): Same.
4471 (tm-constsr.h): New target.
4472 (s-constrs-h): New target.
4474 * config/rs6000/constraints.md: New file.
4475 * config/rs6000/rs6000.c: Include tm-constrs.h.
4476 (num_insn_constant_wide): Convert to satisfies_constraint.
4477 (rs6000_rtx_costs): Convert to satisfies_constraint.
4478 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4479 (CONST_OK_FOR_LETTER_P): Delete.
4480 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4481 (EXTRA_CONSTRAINT): Delete.
4482 (EXTRA_MEMORY_CONSTRAINT): Delete.
4483 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4484 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4485 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4486 satisfies_constraint.
4488 * config/i386/i386.c: Include tm-constrs.h.
4490 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4492 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4493 * tree-data-ref.c (find_data_references_in_loop,
4494 compute_data_dependences_for_loop): Use pointers to VEC.
4495 (analyze_all_data_dependences): Adjust calls.
4496 * tree-data-ref.h (find_data_references_in_loop,
4497 compute_data_dependences_for_loop): Adjust declarations.
4498 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4499 compute_data_dependences_for_loop.
4501 2006-03-29 Paul Brook <paul@codesourcery.com>
4503 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4506 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4508 PR tree-optimization/26859
4509 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4511 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4512 for the step after fold_convert.
4514 2006-03-29 Paul Brook <paul@codesourcery.com>
4516 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4517 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4519 2006-03-29 Paul Brook <paul@codesourcery.com>
4522 * targhooks.c (default_narrow_bitfield): New fuction.
4523 * targhooks.h (default_narrow_bitfield): add prototype.
4524 * target.h (gcc_target): Add narrow_volatile_bitfield.
4525 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4526 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4527 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4528 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4530 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4532 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4534 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4535 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4536 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4537 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4538 (s390_function_arg_float): Allow SDmode and DDmode values to be
4539 passed in floating point registers.
4540 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4541 check with SCALAR_FLOAT_MODE_P.
4542 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4544 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4546 PR tree-optimization/25985
4547 * tree-ssa-loop-niter.c (number_of_iterations_le,
4548 number_of_iterations_ne): Make comments more precise.
4549 (number_of_iterations_cond): Add only_exit argument. Use the
4550 fact that signed variables do not overflow only when only_exit
4552 (loop_only_exit_p): New.
4553 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4554 number_of_iterations_cond.
4556 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4558 PR tree-optimization/26643
4559 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4562 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4564 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4565 (divsi3_i4_int): Likewise.
4567 2006-03-28 Roger Sayle <roger@eyesopen.com>
4569 * expr.c (emit_group_store): Only create a new pseudo reg if the
4570 quantity it needs to hold isn't already a suitable pseudo.
4572 2006-03-28 Jeff Law <law@redhat.com>
4574 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4575 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4577 2006-03-28 Roger Sayle <roger@eyesopen.com>
4579 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4580 the equivalent ~X & Y, and the symmetry related transformations.
4581 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4582 ~X & Y, and symmetry related transforms.
4584 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4586 Revert my 2006-03-27 patches.
4588 2006-03-28 Roger Sayle <roger@eyesopen.com>
4590 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4591 ~(T1)X, when T1 and T2 are integer types of the same precision
4592 and (T2)X isn't an extension.
4594 2006-03-28 Jeff Law <law@redhat.com>
4596 PR tree-optimization/26796
4597 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4598 need EH edge cleanups rather than purging them immediately.
4599 (eliminate_degenerate_phis): Handle queued EH cleanups.
4601 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4603 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4606 2006-03-27 Roger Sayle <roger@eyesopen.com>
4609 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4610 cast BIT_NOT_EXPR operand to the correct type.
4612 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4614 * tree-loop-linear.c: Don't include varray.h.
4615 (gather_interchange_stats, try_interchange_loops,
4616 linear_transform_loops): Use VEC instead of VARRAY.
4617 * lambda-mat.c: Don't include varray.h.
4618 * tree-chrec.c: Same.
4619 * lambda-trans.c: Same.
4620 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4621 VEC instead of VARRAY.
4622 * tree-vectorizer.h: Idem.
4623 * tree-data-ref.c (dump_data_references,
4624 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4625 initialize_data_dependence_relation, finalize_ddr_dependent,
4626 compute_all_dependences, find_data_references_in_loop,
4627 compute_data_dependences_for_loop, analyze_all_data_dependences,
4628 free_dependence_relation, free_dependence_relations,
4629 free_data_refs): Idem.
4630 * tree-data-ref.h (data_reference_p, subscript_p): New.
4631 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4632 VEC instead of VARRAY.
4633 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4634 (find_data_references_in_loop, compute_data_dependences_for_loop,
4635 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4636 dump_data_dependence_relations, free_dependence_relations,
4637 free_data_refs): Adjust declaration.
4638 (lambda_transform_legal_p): Move declaration here...
4639 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4640 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4641 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4642 vect_analyze_data_refs): Use VEC instead of VARRAY.
4643 * lambda.h (lambda_transform_legal_p): ...from here.
4644 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4645 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4646 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4647 tree-chrec.o): Don't depend on VARRAY_H.
4649 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4651 * rtl.def (Copyright): Update date.
4652 (DEPS_LIST): Change type of the second operand to 'int'.
4653 * target.h (Copyright): Update date.
4654 (struct gcc_target.speculate_insn): Change type of the second parameter
4656 * lists.c (Copyright): Update date.
4657 (alloc_DEPS_LIST): Change signature. Update reference to the second
4658 operand of the DEPS_LIST.
4659 (copy_DEPS_LIST_list): Update reference to the second operand of the
4661 * rtl.h (Copyright): Update date.
4662 (alloc_DEPS_LIST): Update signature.
4663 * sched-int.h (Copyright): Update date.
4664 (ds_t): Change typedef to 'int'.
4665 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4667 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4669 * haifa-sched.c (Copyright): Update date.
4670 (try_ready): Change condition to restore non-speculative pattern
4672 (process_insn_depend_be_in_spec): Code to keep probability of the
4673 speculative dependence non-decreasing.
4675 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4677 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4678 shut up the compiler.
4680 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4682 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4683 to use lib prefix for target.
4684 ($(T)libic_invalidate_array_4-200.a): Likewise.
4685 ($(T)libic_invalidate_array_4a.a): Likewise.
4687 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4688 J"orn Rennecke <joern.rennecke@st.com>
4690 * superh.opt: New file.
4691 * sh.c (boardtype, osruntime): Remove.
4692 * superh.h (SUBTARGET_OPTIONS): Remove.
4693 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4695 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4696 arguments with ^ and/or [].
4698 * config.gcc (sh-*-*): Add quoting to account for quirk of
4700 Replace == with = in enable_incomplete_targets test.
4702 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4703 with MASK_LITTLE_ENDIAN.
4705 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4706 * config/sh/sh.opt: Added to some comments.
4707 * config/sh/superh.h: Removed some chaff.
4709 * config/sh/sh.opt: Add m4-[1234]00* options.
4710 * config/sh/sh.c (sh_handle_option): Likewise.
4711 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4712 (ic_invalidate_array_4-100.o): New rule.
4713 ($(T)libic_invalidate_array_4-100.a): Likewise.
4714 (ic_invalidate_array_4-200.o): Likewise.
4715 ($(T)libic_invalidate_array_4-200.a): Likewise.
4716 (ic_invalidate_array_4a.o): Likewise.
4717 ($(T)libic_invalidate_array_4a.a): Likewise.
4718 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4719 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4721 * config/sh/crt1.asm: Merged in profiling code.
4722 * config/sh/superh.h (STARTFILE_SPEC): Override.
4723 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4724 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4725 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4727 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4728 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4729 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4731 * sh.opt (mpretend-cmove): New option.
4732 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4733 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4734 (movsicc): Add TARGET_PRETEND_CMOVE code.
4736 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4738 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4739 s390_class_max_nregs): New function prototypes.
4740 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4741 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4742 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4743 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4745 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4747 * dwarf2out.c (add_location_or_const_value_attribute): Call
4748 tree_add_const_value_attribute if nothing else works.
4749 (reference_to_unused): New.
4750 (rtl_for_decl_init): Use reference_to_unused to decide whether
4751 to output an initializer.
4753 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4756 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4757 peephole removing spe frob_di_df_2.
4759 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4761 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4762 (subscript_dependence_tester_1): Declared.
4763 (print_dir_vectors, print_dist_vectors): New.
4764 (debug_data_dependence_relation): New.
4765 (dump_data_dependence_relation): Print more details.
4766 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4767 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4768 (save_dist_v, save_dir_v, add_outer_distances,
4769 build_classic_dist_vector_1): New.
4770 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4771 Don't test for lambda_vector_lexico_pos.
4772 (same_access_functions, add_multivariate_self_dist,
4773 add_other_self_distances, dir_from_dist): New.
4774 (build_classic_dir_vector): Replace implementation almost identical to
4775 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4777 (subscript_dependence_tester_1): New.
4778 (subscript_dependence_tester): Handle the lexicographically negative
4779 distance vectors by recomputing the dependence relation.
4780 (compute_affine_dependence): Remove parameter loop_nest_depth.
4781 (compute_self_dependence): Don't call compute_subscript_distance.
4782 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4783 Add a parameter for the loop_nest.
4784 (find_loop_nest_1, find_loop_nest): New.
4785 (compute_data_dependences_for_loop): Compute the loop nest, and give
4786 up if the nest is not well formed.
4787 * tree-data-ref.h (loop_p): New.
4788 (struct data_dependence_relation): Replace size_vect field with
4789 loop_nest, a vec of loops.
4790 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4791 (DDR_LOOP_NEST): New.
4792 (print_dir_vectors, print_dist_vectors,
4793 debug_data_dependence_relation): Declared.
4794 (index_in_loop_nest): New.
4795 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4796 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4799 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4801 * simplify-rtx.c (simplify_relational_operation): Call
4802 simplify_relational_operation_1 even if mode is VOIDmode.
4804 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4806 PR tree-optimization/26804
4807 * tree.h (DECL_CALL_CLOBBERED): New macro.
4808 (tree_decl_common): Add call_clobbered_flag.
4809 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4810 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4811 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4812 (mark_non_addressable): Ditto.
4813 * tree-ssa.c (verify_call_clobbered): New function.
4814 (verify_alias_info): Use it.
4815 * tree-pass.h (pass_reset_cc_flags): New prototype.
4816 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4817 (reset_cc_flags): New function.
4818 * passes.c (init_optimization_passes): Call reset_cc_flags after
4819 initializing referenced_vars.
4821 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4822 Roger Sayle <roger@eyesopen.com>
4825 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4826 to 1.0 for non-real operands. Implement A / A optimization for
4829 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4831 * config/i386/i386.c (size_cost): Correct the comment for
4832 cost of storing fp registers.
4833 (i386_cost): Likewise.
4834 (i486_cost): Likewise.
4835 (pentium_cost): Likewise.
4836 (pentiumpro_cost): Likewise.
4837 (k6_cost): Likewise.
4838 (athlon_cost): Likewise.
4839 (k8_cost): Likewise.
4840 (pentium4_cost): Likewise.
4841 (nocona_cost): Likewise.
4842 (generic64_cost): Likewise.
4843 (generic32_cost): Likewise.
4845 2006-03-24 Denis Chertykov <denisc@overta.ru>
4847 * config/avr/avr-protos.h (extra_constraint): Delete.
4848 (extra_constraint_Q): New declaration.
4849 * config/avr/constraints.md: New file.
4850 * config/avr/avr.md: Include it.
4851 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4852 (TMP_REGNO, ZERO_REGNO): Likewise.
4853 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4854 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4855 (extra_constraint): Delete.
4856 (extra_constraint_Q): Test for memory constraint 'Q'.
4857 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4858 (REG_CLASS_FROM_LETTER): Delete.
4859 (CONST_OK_FOR_LETTER_P): Delete.
4860 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4861 (EXTRA_CONSTRAINT): Delete.
4862 (TMP_REGNO): Delete.
4863 (ZERO_REGNO): Delete.
4865 2006-03-24 Jeff Law <law@redhat.com>
4867 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4868 directly. Call mark_new_vars_to_rename slightly earlier.
4870 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4872 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4874 (gen_compile_unit_die): Use new language types for Objective-C and
4876 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4877 DW_LANG_C_plus_plus.
4880 * config/t-darwin (crt3.o): Work around bug 26840.
4881 * config/darwin-crt3.c: Rewrite.
4882 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4884 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4886 * doc/invoke.texi: Document -femit-class-debug-always
4887 * common.opt: Add -femit-class-debug-always.
4889 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4891 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4892 index and base register.
4893 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4894 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4895 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4896 REGNO_OK_FOR_INDEX_P.
4897 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4899 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4900 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4901 REG_OK_FOR_BASE_P): Definitions removed.
4903 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4906 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4907 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4908 set yet or weren't marked as local yet.
4910 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4912 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4915 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4917 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4918 (rs6000_legitimate_small_data_p): Delete.
4919 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4920 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4921 and make static. Add forward declaration. Update uses.
4922 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4923 of offsettable_memref_p.
4924 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4925 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4927 2006-03-24 Jeff Law <law@redhat.com>
4929 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4930 around bug in immediate-use iterator.
4932 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4935 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4936 or __LITTLE_ENDIAN__.
4938 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4940 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4941 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4942 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4943 * config/sh/sh.opt (mdiv=): Amend description.
4944 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4945 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4946 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4947 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4948 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4949 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4950 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4951 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4952 TARGET_DIVIDE_CALL_FP.
4954 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4956 * haifa-sched.c (choose_ready): Fix type of the local variable.
4957 Move local variables. Add comment.
4958 (check_reg_live): Change signature. Make callable from debugger.
4959 * sched-int.h (check_reg_live): Update signature.
4960 * sched-ebb.c (check_reg_live): Update parameters.
4961 * sched-rgn.c (check_reg_live): Ditto.
4962 (region_head_or_leaf_p): Check pointer before dereferencing.
4963 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4964 before reload on optimization levels below 1.
4966 2006-03-23 Richard Henderson <rth@redhat.com>
4968 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4972 * config/alpha/predicates.md (local_symbolic_operand): Reject
4975 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4978 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4979 expressions which have overflowed constants.
4981 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4983 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4985 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4987 * cfgloopmanip.c (create_loop_notes): Removed.
4988 * final.c (final_scan_insn): Do not handle loop notes.
4989 * jump.c (squeeze_notes): Ditto.
4990 * cfglayout.c (skip_insns_after_block,
4991 duplicate_insn_chain): Ditto.
4992 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4994 * cfgloop.h (create_loop_notes): Declaration removed.
4996 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4998 * varasm.c (output_constant_pool): Restore fnname and fndecl
5000 (assemble_start_function): Adjust call accordingly.
5001 (assemble_end_function): Likewise.
5003 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5006 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5009 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5011 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5014 * system.h (ICE_EXIT_CODE): New macro.
5015 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5016 (diagnostic_action_after_output): Likewise.
5017 * gcc.c (fatal_ice): New function.
5018 (execute): Use it instead of fatal.
5019 (fancy_abort): Likewise.
5020 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5022 2006-03-22 Jeff Law <law@redhat.com>
5024 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5025 iv_analyze_result returning false.
5027 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5029 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5031 2006-03-22 Richard Henderson <rth@redhat.com>
5034 * except.c (duplicate_eh_regions_0): New.
5035 (duplicate_eh_region_1): Duplicate the children of the node as
5036 well as the node itself. Link them up properly.
5037 (duplicate_eh_region_2): Merge into ...
5038 (duplicate_eh_regions): ... here. Take copy_region argument, and
5039 copy only a sub-tree if asked. Simplify copying and fixup.
5040 (eh_region_outer_p): New.
5041 * except.h (duplicate_eh_regions): Update decl.
5042 (eh_region_outer_p): Declare.
5043 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5044 (lower_omp_master): Likewise.
5045 (lower_omp_ordered): Likewise.
5046 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5047 (move_stmt_r): Use it to remap labels. Handle recursion vs
5048 remap_decls_p properly.
5049 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5050 (find_outermost_region_in_block): New.
5051 (new_label_mapper): New.
5052 (move_sese_region_to_fn): Copy eh information to the new function
5054 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5056 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5059 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5061 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5062 into shared libraries.
5064 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5066 * doc/md.texi: Refer to i386/constraints.md instead of
5068 * config/i386/constraints.md: New file, extracted from...
5069 * config/i386/predicates.md: ...here.
5070 * config/i386/i386.md: Include constraints.md.
5072 2006-03-21 Jason Merrill <jason@redhat.com>
5074 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5077 * expr.c (init_block_move_fn): Force default visibility.
5078 (init_block_clear_fn): Likewise.
5079 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5080 * targhooks.c (default_external_stack_protect_fail): Likewise.
5082 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5084 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5085 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5086 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5087 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5088 (loadgp): Use mips_current_loadgp_style.
5089 (loadgp_noshared): New pattern.
5090 (sibcall_internal): Use MIPS_CALL.
5091 (sibcall_value_internal): Likewise.
5092 (sibcall_value_multiple_internal): Likewise.
5093 (call_internal): Likewise.
5094 (call_value_internal): Likewise.
5095 (call_value_multiple_internal): Likewise.
5096 (call_split): Use MIPS_CALL and add an 'S' constraint.
5097 (call_value_split): Likewise.
5098 (call_value_multiple_split): Likewise.
5099 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5100 (-mshared): New option.
5101 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5102 (mips_current_loadgp_style): Declare.
5103 * config/mips/mips.c (mips_classify_symbol): Avoid using
5104 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5105 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5106 TARGET_ABSOLUTE_ABICALLS.
5107 (override_options): Adjust comments. Improve the warning that is
5108 issued when -mabicalls and -G are used together.
5109 (mips_file_start): Remove comment.
5110 (mips_current_loadgp_style): New function.
5111 (mips_gnu_local_gp): New variable.
5112 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5114 (mips_output_function_prologue): Use mips_current_laodgp_style.
5115 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5116 the cprestore instruction.
5117 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5118 live for TARGET_ABSOLUTE_ABICALLS.
5119 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5120 (ASM_SPEC): Pass down -mshared and -mno-shared.
5121 (MIPS_CALL): New macro.
5122 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5124 * doc/invoke.texi (-mabicalls): Update documentation.
5125 (-mshared): Document.
5127 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5129 * config/ia64/unwind-hpux.c: New file.
5130 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5132 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5135 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5137 2006-03-21 Jeff Law <law@redhat.com>
5139 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5140 type conversions of a VR_VARYING source to a wider type.
5142 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5144 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5145 tm_file on Solaris 10 and later.
5146 (sparc64-*-solaris2*): Likewise.
5147 (sparc-*-solaris2*): Likewise.
5148 * config/sol26.h: Rename to config/sol2-6.h.
5149 * config/sol2-10.h: New file.
5151 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5154 * tree-ssa-pre.c (create_component_ref_by_pieces):
5157 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5160 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5161 return it immediately.
5163 2006-03-21 Michael Matz <matz@suse.de>
5165 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5167 (remove_arc, add_arc): Update num_out_arcs member.
5168 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5170 (cache_presence): New function.
5171 (compare_states_for_equiv): New function.
5172 (state_is_differed): Don't take number of outargs, adjust callers.
5173 Use new invariant for speeding up.
5174 (init_equiv_class): Create initial classes based on sorted
5176 (partition_equiv_class): Don't track out_arcs_num.
5177 (evaluate_equiv_classes): Call cache_presence on all states and
5180 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5182 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5183 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5184 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5185 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5187 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5188 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5189 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5190 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5191 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5193 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5194 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5195 (REGNO_REG_CLASS): ARGP is in PREGS.
5196 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5198 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5199 to deal with those addresses.
5200 * addresses.h: New file.
5201 * caller-save.c: Include "addresses.h".
5202 (init_caller_save): Use new base_reg_class function.
5203 * rtl-factoring.c: Include "addresses.h".
5204 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5205 * recog.c: Include "addresses.h".
5206 (preprocess_constraints): Use new base_reg_class function.
5207 * regrename.c: Include "addresses.h".
5208 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5209 functions. Keep track of a new var INDEX_CODE to compute valid
5211 (replace_oldest_value_addr): Likewise.
5212 (replace_oldest_value_mem): Use base_reg_class.
5213 * reload.c: Include "addresses.h".
5214 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5215 (find_reloads): Use new base_reg_class function.
5216 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5217 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5218 all callers and prototype changed.
5219 * reload1.c: Include "addresses.h".
5220 (maybe_fix_stack_asms): Use base_reg_class.
5221 * regclass.c: Include "addresses.h".
5222 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5223 (init_reg_autoinc): Use new base_reg_class function.
5224 (record_reg_classes): Likewise.
5225 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5226 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5227 Use new args to compute necessary class.
5229 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5230 regrename.o, rtl-factoring.o): Update dependencies.
5231 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5232 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5233 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5234 REG_OK_FOR_INDEX_P): Delete documentation.
5236 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5238 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5239 from V7 to V9 for Solaris 7 and above.
5241 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5243 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5244 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5245 argument pointers may not alias any other storage.
5246 * common.opt: Define option -fargument-noalias-anything.
5247 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5248 alias semantics is specified by flag_argument_noalias > 2.
5250 2006-03-20 Jeff Law <law@redhat.com>
5252 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5253 (pass_phi_only_cprop): Declare.
5254 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5256 * tree-ssa-dom.c (degenerate_phi_result): New function.
5257 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5258 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5259 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5260 (eliminate_degenerate_phis): Likewise.
5261 (pass_phi_only_cprop): New pass descriptor.
5262 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5263 support code. Callers updated.
5264 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5265 (store_copy_prop): Likewise.
5266 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5268 2006-03-20 Jason Merrill <jason@redhat.com>
5271 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5272 (push_visibility, pop_visibility): Likewise.
5273 * c-pragma.h: Declare them.
5275 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5277 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5279 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5280 parameter and use get_ebb_head_tail.
5281 (sh_md_init_global): Adjust uses of find_regmode_weight.
5283 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5285 * function.h (struct function) <x_tail_recursion_reentry>:
5286 Rename to x_stack_check_probe_note.
5287 (tail_recursion_reentry): Rename to stack_check_probe_note.
5288 * function.c: Replace tail_recursion_reentry with
5289 stack_check_probe_note everywhere.
5290 (expand_function_start): Only emit a note for
5291 stack_check_probe_note with -fstack-protect.
5292 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5294 * emit-rtl.c (remove_unnecessary_notes): Remove.
5295 (pass_remove_unnecessary_notes): Remove.
5296 * rtl.h (remove_unnecessary_notes): Remove prototype.
5297 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5298 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5299 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5301 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5304 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5305 (valid_in_set): Handle ARRAY_REF.
5306 Change "if min_variant or VH" to asserts.
5307 (create_component_ref_by_pieces): Handle ARRAY_REF.
5308 (create_expression_by_pieces): Likewise.
5309 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5311 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5313 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5314 is operand of switch, not str[0].
5316 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5318 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5319 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5321 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5323 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5324 end of insn_extra_address_constraint declaration.
5326 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5328 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5329 (no-sum-in-toc): Same.
5330 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5332 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5333 NO_FP_IN_TOC for -fPIC instead of mask.
5335 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5336 (BOOT_LDFLAGS): Delete.
5338 * config/rs6000/t-aix52: Same.
5340 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5341 (stmsi[345678]_power): New.
5343 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5345 * config/ia64/ia64.opt: Add empty line to end of file.
5347 2006-03-17 Richard Guenther <rguenther@suse.de>
5350 * builtins.c (get_pointer_alignment): For component style references
5351 adjust alignment to the component type alignment. Make sure
5352 to adjust alignment for component access of constants.
5354 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5356 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5359 2006-03-17 Paul Brook <paul@codesourcery.com>
5361 * doc/install.texi: Docuemnt --with-mode.
5362 * config.gcc: Add --with-mode for arm*-*-*.
5363 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5365 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5367 * sh.c (max_labelno_before_reorg): New variable.
5368 (sh_reorg): Initialize it.
5369 (find_barrier): Check max_labelno_before_reorg before using
5370 label_to_alignment. Take length of explicit alignment insns
5371 into account. When seeing a UNSPECV_CONST_END, return it.
5373 * sh.c (fixup_mova): Set mode of affected label to QImode.
5374 (untangle_mova): New function.
5375 (find_barrier): Use it. Check mode of label before decrementing
5377 (sh_reorg): Likewise.
5378 Set mode of all insns back to VOIDmode.
5380 * sh.c (MOVA_LABELREF): New macro.
5381 (mova_p, fixup_mova, sh_reorg): Use it.
5382 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5383 ADDR_DIFF_VEC matches mova.
5385 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5387 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5388 with ATTRIBUTE_UNUSED.
5390 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5392 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5393 pointer, instead of assuming it is possible to derive the
5394 correct args size from a call insn.
5396 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5398 * rtl.h (CONST_INT_P): Define.
5399 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5400 instead of GET_CODE(x) == CONST_INT.
5401 (vax_rtx_costs): Likewise.
5402 (vax_output_int_move): Likewise.
5403 (vax_output_int_add): Likewise.
5404 (legitimate_constant_address_p): Likewise.
5405 (index_term_p): Likewise.
5406 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5407 * config/vax/vax.md (and<mode>3): Likewise.
5408 (ashrsi3): Likewise.
5410 (movstricthi): Likewise.
5411 (movstrictqi): Likewise.
5412 (rotrsi3): Likewise.
5413 (five unnamed insns): Likewise.
5415 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5417 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5418 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5419 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5420 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5421 Pass to ASM_OUTPUT_DWARF_OFFSET.
5422 * dwarf2out.c (debug_frame_section): New.
5423 (output_call_frame_info): Use debug_frame_section. Pass it to
5424 dw2_asm_output_offset.
5425 (output_die): Pass appropriate section to dw2_asm_output_offset.
5426 (output_compilation_unit_header): Likewise.
5427 (output_pubnames): Likewise.
5428 (output_aranges): Likewise.
5429 (enum dw_val_class): Break dw_val_class_lbl_offset into
5430 dw_val_class_lineptr and dw_val_class_macptr.
5431 (add_AT_lbl_offset): Delete.
5432 (add_AT_lineptr): New.
5433 (add_AT_macptr): New.
5434 (AT_lbl): Expect a lineptr or macptr.
5435 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5436 (attr_checksum): Likewise.
5437 (same_dw_val_p): Likewise.
5438 (size_of_die): Likewise.
5439 (value_format): Likewise.
5440 (output_die): Likewise.
5441 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5443 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5444 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5445 * config/darwin-protos.h (darwin_file_start): New.
5446 (darwin_asm_output_dwarf_offset): New.
5447 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5448 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5450 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5451 if not EH section; simplify.
5452 (darwin_file_start): New.
5453 (darwin_asm_output_dwarf_offset): New.
5454 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5456 (DEBUG_INFO_SECTION): Likewise.
5457 (DEBUG_ABBREV_SECTION): Likewise.
5458 (DEBUG_ARANGES_SECTION): Likewise.
5459 (DEBUG_MACINFO_SECTION): Likewise.
5460 (DEBUG_LINE_SECTION): Likewise.
5461 (DEBUG_LOC_SECTION): Likewise.
5462 (DEBUG_PUBNAMES_SECTION): Likewise.
5463 (DEBUG_STR_SECTION): Likewise.
5464 (DEBUG_RANGES_SECTION): Likewise.
5465 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5466 (ASM_OUTPUT_DWARF_OFFSET): New.
5468 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5470 * config.gcc (tm_defines): Always add to previous value rather
5473 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5475 * config/mips/predicates.md (splittable_const_int_operand): New,
5476 split from move_operand.
5477 (splittable_symbolic_operand): New.
5478 (move_operand): Add commentary. Use splittable_const_int_operand.
5479 Inline mips_atomic_symbolic_constant_p.
5480 * config/mips/mips.md: Add combine splitters for handling moves
5481 of splittable_const_int_operands and splittable_symbolic_operands.
5482 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5483 (mips_split_symbol): Declare.
5484 (mips_move_integer): Declare.
5485 * config/mips/mips.c (mips_split_p): Make global.
5486 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5487 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5488 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5489 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5490 (mips_offset_within_object_p): Handle block symbols.
5491 (mips_atomic_symbolic_constant_p): Delete.
5492 (mips_cannot_force_const_mem): Return false for constants that
5493 mips_legitimize_move can handle.
5494 (mips_use_blocks_for_constant_p): New function.
5495 (mips_split_symbol): Make global.
5496 (mips_move_integer): Likewise. Add a temporary register argument.
5497 (mips_legitimize_const_move): Use splittable_const_int_operand and
5498 splittable_symbolic_operand.
5499 (mips_use_anchors_for_symbol_p): New function.
5500 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5501 (mips_split_p): Declare.
5503 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5505 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5506 (mips*-*-linux*): Likewise.
5508 2006-03-16 Roger Sayle <roger@eyesopen.com>
5509 Daniel Speyer <dspeyer@wam.umd.edu>
5512 * tree-dump.c (dump_real): New function.
5513 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5514 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5515 (tree-dump.o): Add $(REAL_H) to the dependencies.
5517 2006-03-16 Roger Sayle <roger@eyesopen.com>
5520 * real.c (real_from_string): If the mantissa is zero, don't bother
5521 parsing the exponent as the result should always be zero.
5523 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5525 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5527 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5529 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5530 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5531 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5532 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5533 ia64_sched_finish_global): New static functions to implement
5534 hooks from gcc_target.sched.
5535 (spec_check_no, max_uid, pending_data_specs): New static variables.
5536 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5537 ia64_spec_check_src_p): New static functions.
5538 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5539 (TARGET_SCHED_ADJUST_COST): Removed.
5540 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5541 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5542 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5543 TARGET_SCHED_GEN_CHECK,
5544 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5545 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5546 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5547 Fixed to handle speculation checks.
5548 (rtx_needs_barrier): Fixed to handle speculative loads and
5550 (ia64_variable_issue): Added code to count speculative loads and their
5552 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5554 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5556 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5558 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5559 (ia64_reorg): Reset stops_p to NULL after it is freed.
5560 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5561 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5562 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5564 (data_speculative, control_speculative, check_load): New attributes.
5565 (mov<mode>_advanced, mov<mode>_speculative,
5566 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5567 zero_extend<mode>di2_speculative,
5568 zero_extend<mode>di2_speculative_advanced): New patterns for
5569 data and control speculative loads.
5570 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5572 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5573 New pattern for data and control speculation checks.
5574 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5575 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5576 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5577 Auxiliary definitions for the patterns.
5578 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5579 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5581 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5583 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5584 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5585 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5586 New resource constraints.
5587 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5589 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5590 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5591 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5592 msched-in-control-spec, msched-ldc, msched-control-ldc,
5593 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5594 msched-prefer-non-control-spec-insns,
5595 msched-count-spec-in-critical-path): New flags to tune speculative
5597 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5598 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5599 msched-in-control-spec, msched-ldc, msched-control-ldc,
5600 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5601 msched-prefer-non-control-spec-insns,
5602 msched-count-spec-in-critical-path): Document new flags.
5604 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5606 * target.h (struct spec_info_def): New opaque declaration.
5607 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5608 speculate_insn, needs_block_p, gen_check,
5609 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5610 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5611 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5612 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5613 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5614 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5616 (TARGET_SCHED): Use new macros.
5617 * rtl.h (copy_DEPS_LIST_list): New prototype.
5618 * sched-int.h (struct sched_info): Change signature of new_ready field,
5619 adjust all initializations. New fields: add_remove_insn,
5620 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5621 region_head_or_leaf_p.
5622 (struct spec_info_def): New structure declaration.
5623 (spec_info_t): New typedef.
5624 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5625 recovery_block, orig_pat.
5626 (glat_start, glat_end): New variables declaraions.
5627 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5629 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5630 DETACH_LIFE_INFO, USE_GLAT.
5631 (enum SPEC_SCHED_FLAGS): New enumeration.
5632 (NOTE_NOTE_BB_P): New macro.
5633 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5634 attach_life_info, debug_spec_status, check_reg_live): New functions.
5635 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5636 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5638 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5639 * ddg.c (get_block_head_tail): Adjust all uses.
5640 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5641 (sms_sched_info): Initialize new fields.
5642 (contributes_to_priority): Removed.
5643 * haifa-sched.c (params.h): New include.
5644 (get_block_head_tail): Adjust all uses.
5645 (ISSUE_POINTS): New macro.
5646 (glat_start, glat_end): New global variables.
5647 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5648 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5649 old_last_basic_block, before_recovery, current_sched_info_var,
5650 rgn_n_insns, luid): New static variables.
5651 (insn_cost1): New function. Move logic from insn_cost to here.
5652 (find_insn_reg_weight1): New function. Move logic from
5653 find_insn_reg_weight to here.
5654 (reemit_notes, move_insn, max_issue): Change signature.
5655 (move_insn1): Removed.
5656 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5657 extend_bb): New static functions to support extension of scheduler's
5659 (generate_recovery_code, process_insn_depend_be_in_spec,
5660 begin_speculative_block, add_to_speculative_block,
5661 init_before_recovery, create_recovery_block, create_check_block_twin,
5662 fix_recovery_deps): New static functions to support
5663 generation of recovery code.
5664 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5665 restore_bb_notes, move_block_after_check, move_succs): New static
5666 functions to support ebb scheduling.
5667 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5668 functions to support handling of register live information.
5669 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5670 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5671 add_jump_dependencies): New static functions.
5672 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5673 consistancy checking.
5674 (debug_spec_status): New function to call from debugger.
5675 (priority): Added code to handle speculation checks.
5676 (rank_for_schedule): Added code to distinguish speculative instructions.
5677 (schedule_insn): Added code to handle speculation checks.
5678 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5679 Fixed to handle ebbs.
5680 (move_insn): Added code to handle ebb scheduling.
5681 (max_issue): Added code to use ISSUE_POINTS of instructions.
5682 (choose_ready): Added code to choose between speculative and
5683 non-speculative instructions.
5684 (schedule_block): Added code to handle ebb scheduling and scheduling of
5685 speculative instructions.
5686 (sched_init): Initialize new variables.
5687 (sched_finish): Free new variables. Print statistics.
5688 (try_ready): Added code to handle speculative instructions.
5689 * lists.c (copy_DEPS_LIST_list): New function.
5690 * sched-deps.c (extend_dependency_caches): New function. Move logic
5691 from create_dependency_caches to here.
5692 (get_dep_weak, ds_merge): Make global.
5693 * genattr.c (main): Code to output prototype for
5694 dfa_clear_single_insn_cache.
5695 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5696 (output_dfa_clean_insn_cache_func): Code to output
5697 dfa_clear_single_insn_cache function.
5698 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5700 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5702 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5703 New static variables.
5704 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5705 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5707 (ebb_sched_info): Initialize new fields.
5708 (get_block_head_tail): Adjust all uses.
5709 (compute_jump_reg_dependencies): Fixed to use glat_start.
5710 (schedule_ebb): Code to remove unreachable last block.
5711 (schedule_ebbs): Added code to update register live information.
5712 * sched-rgn.c (region_sched_info): Initialize new fields.
5713 (get_block_head_tail): Adjust all uses.
5714 (last_was_jump): Removed. Adjust users.
5715 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5716 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5717 Implement new hooks.
5718 (check_dead_notes1): New static function.
5719 (struct region): New fields: dont_calc_deps, has_real_ebb.
5720 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5721 (BB_TO_BLOCK): Fixed to handle EBBs.
5722 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5723 (ebb_head): New static variable.
5724 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5725 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5727 (compute_dom_prob_ps): New assertion.
5728 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5729 global_live_at_start.
5730 (init_ready_list): New assertions.
5731 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5732 (new_ready): Add support for BEGIN_CONTROL speculation.
5733 (schedule_insns): Fixed code that updates register live information
5735 (schedule_region): Fixed to handle EBBs.
5736 (init_regions): Use extend_regions and check_dead_notes1.
5737 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5738 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5739 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5740 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5741 TARGET_SCHED_GEN_CHECK,
5742 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5743 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5744 * doc/invoke.texi (max-sched-insn-conflict-delay,
5745 sched-spec-prob-cutoff): Document.
5747 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5749 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5750 inter_tick, queue_index.
5751 (struct sched_info): Change signature of init_ready_list field.
5752 Adjust all initializations.
5753 (RESOLVED_DEPS): New access macro.
5754 (ready_add): Remove prototype.
5755 (try_ready): Add prototype.
5756 * sched-rgn.c (init_ready_list): Use try_ready.
5757 (schedule_region): Initialize
5758 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5759 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5760 (init_ready_list): Use try_ready.
5761 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5762 * lists.c (remove_list_elem): Remove `static'.
5763 (remove_free_INSN_LIST_elem): New function.
5764 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5765 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5766 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5768 (readyp): New variable.
5769 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5770 change_queue_index, resolve_dep): New static functions.
5771 (try_ready): New function. Adjust callers in sched-rgn.c and
5772 sched-ebb.c to use it instead of ready_add.
5773 (clock_var): Move at the begining of file.
5774 (rank_for_schedule): Fix typo.
5775 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5776 (ready_lastpos): Enforce assertion.
5777 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5779 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5780 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5781 (queue_to_ready): Use free_INSN_LIST_list.
5782 (early_queue_to_ready): Fix typo.
5783 (schedule_block): Init readyp. Move init_ready_list call after the
5784 initialization of clock_var. Fix error in rejecting insn by
5785 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5786 that previously corrected INSN_TICKs. Add code for handling
5788 (set_priorities): Fix typo.
5789 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5790 Clarify comment and code that keeps current_sched_info->next_tail
5793 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5795 * sched-rgn.c (extend_rgns): New static function.
5796 (find_rgns): Use it.
5797 (gather_region_statistics, print_region_statistics): New static
5799 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5800 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5802 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5803 Andrey Belevantsev <abel@ispras.ru>
5805 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5806 * lists.c (unused_deps_list): New variable.
5807 (free_list): Add assertions to verify the proper distinguishing
5808 between INSN_LISTs and DEPS_LISTs.
5809 (find_list_elem, remove_list_elem, remove_list_node): New static
5811 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5812 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5813 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5814 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5816 (free_INSN_LIST_node): Likewise.
5817 * modulo-sched.c (current_sched_info): Initialize flags field.
5818 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5819 * rtl.def (DEPS_LIST): Define.
5820 * rtl.h: Declare new functions from lists.c.
5821 * sched-deps.c (spec_dependency_cache): New static variable.
5822 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5823 (add_dependence): Change return type to void. Move the logic to ...
5824 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5825 (delete_all_dependences): Add comment about forward_dependency_cache.
5826 Handle spec_dependency_cache. Handle DEPS_LISTs.
5827 (fixup_sched_groups): Clarify the change of priority of output
5828 and anti dependencies.
5829 (sched_analyze_2): Adjust add_dependence calls to create data
5830 speculative dependence.
5831 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5832 Adjust all callers. Handle DEPS_LISTS.
5833 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5834 presence of speculation.
5835 (init_dependency_caches, free_dependency_caches):
5836 Handle spec_dependency_cache.
5837 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5838 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5839 New static functions.
5840 (add_or_update_back_dep, add_or_update_back_forw_dep,
5841 add_back_forw_dep, delete_back_forw_dep): New functions.
5842 * sched-int.h (ds_t, dw_t): New typedefs.
5843 (struct sched_info): Add new field flags.
5844 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5845 Prototype new sched-deps.c functions.
5846 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5847 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5848 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5849 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5850 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5851 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5853 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5855 * sched-rgn.c (current_sched_info): Initialize flags field.
5856 (schedule_insns): Initialize current_sched_info before the sched_init
5858 * sched-ebb.c (current_sched_info): Initialize flags field.
5859 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5860 Call add_or_update_back_dep instead of add_dependence.
5861 Create control speculative dependencies.
5862 (schedule_insns): Initialize current_sched_info before the sched_init
5865 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5867 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5869 (sh_fallback_frame_state): Likewise.
5871 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5873 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5874 Do switch on default_use_cxa_atexit.
5875 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5876 * config/darwin-crt3.o: New.
5877 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5878 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5879 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5881 * config/rs6000/t-darwin: Move crt2.o building to here.
5882 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5883 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5886 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5888 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5889 from '! xxx' to '!xxx' for coding-style conformance.
5890 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5891 (EXTRA_CONSTRAINT): Likewise.
5892 * config/vax/vax.md (four unnamed insns): Likewise.
5894 2006-03-15 Paul Brook <paul@codesourcery.com>
5896 * config/arm/arm.c (minipool_pad): New.
5897 (add_minipool_forward_ref): Include pool alignment padding in address
5899 (push_minipool_fix): Set minipool_pad.
5900 (minipool_pad): Ditto.
5902 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5904 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5905 instead of GET_CODE() == MEM and REG_P() instead of
5907 (print_operand_address): Likewise.
5908 (vax_address_cost): Likewise.
5909 (vax_rtx_costs): Likewise.
5910 (vax_notice_update_cc): Likewise.
5911 (vax_output_int_add): Likewise.
5912 (INDEX_REGISTER_P): Likewise.
5913 (BASE_REGISTER_P): Likewise.
5914 (nonindexed_address_p): Likewise.
5915 (vax_mode_dependent_address_p): Likewise.
5916 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5917 (PRINT_OPERAND): Likewise.
5918 * config/vax/vax.md (ashlsi3): Likewise.
5919 (ashlsi3): Likewise.
5920 (some more unnamed insns): Likewise.
5922 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5924 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5925 iterator-style macro.
5926 (mark_control_dependent_edges_necessary): Update the use of
5927 EXECUTE_IF_CONTROL_DEPENDENT.
5929 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5931 * config/sh/predicates.md (cache_address_operand): Special.
5932 (ua_address_operand): Likewise.
5934 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5936 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5938 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5940 2006-03-15 Andreas Schwab <schwab@suse.de>
5942 * gensupport.c (identify_predicable_attribute): Don't free p_false
5943 when it is still in use.
5945 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5947 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5948 the default setting here.
5950 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5952 * tree-pass.h (pass_cfg): Remove.
5953 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5954 * passes.c (pass_cfg): Don't run it.
5956 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5958 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5959 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5961 (stack_regs_mentioned): Update the uses of
5962 stack_regs_mentioned_data. Don't access the array beyond its
5964 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5965 Don't include gt-reg-stack.h.
5967 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5968 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5970 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5973 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5976 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5978 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5980 2006-03-14 Richard Guenther <rguenther@suse.de>
5982 PR tree-optimization/26672
5983 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5986 2006-03-14 Richard Guenther <rguenther@suse.de>
5988 PR tree-optimization/26667
5989 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5990 node for the callees. Always allow inlining if it will shrink
5993 2006-03-14 Richard Guenther <rguenther@suse.de>
5996 * builtins.c (get_pointer_alignment): Prefer alignment
5997 information from decls over that from types.
5999 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6002 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6004 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6006 * config/rs6000/rs6000.opt (mdlmzb): New option.
6007 (msched-prolog, msched-epilog): Use Var not Mask.
6008 * doc/invoke.texi (-mdlmzb): Document.
6009 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6011 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6012 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6014 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6016 PR rtl-optimization/25739
6017 * bt-load.c (augment_live_range): Free tos pointer.
6019 * gensupport.c (identify_predicable_attribute): Free
6021 * gcov.c (create_file_names): Free name pointer.
6023 2006-03-13 Roger Sayle <roger@eyesopen.com>
6026 * stmt.c (emit_case_nodes): Handle the case where the index is a
6027 CONST_INT, where the comparison mode is specified by the index type.
6029 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6031 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6034 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6036 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6037 (*branch_fp_inverted): Likewise.
6039 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6042 * omp-low.c (expand_omp_for_generic): Mark istart0
6043 and iend0 as addressable.
6045 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6047 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6049 2006-03-13 Jeff Law <law@redhat.com>
6051 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6052 virtual operands are interesting.
6053 (vrp_visit_stmt): Corresponding changes.
6055 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6057 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6059 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6060 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6061 * config/bfin/crti.S: Use it instead of __PIC__.
6062 * config/bfin/crtn.S: Likewise.
6064 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6065 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6067 Lose 'G' modifier for call operand.
6068 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6069 recognize 'G' modifier.
6071 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6074 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6075 * stmt.c (expand_case): Likewise.
6077 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6079 PR rtl-optimization/26254
6080 * loop-invariant.c (seq_insns_valid_p): New function.
6081 (move_invariant_reg): Only emit new code if it is valid.
6083 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6085 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6087 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6088 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6089 (commit_one_edge_insertion): Do not look for loop notes.
6091 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6093 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6094 flag_test_coverage out of loop.
6096 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6098 * final.c (shorten_branches): Remove outdated comment, and turn
6099 the if branch that guards it to continue.
6101 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6103 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6104 * cfgloop.h (struct loop): Remove unused fields.
6106 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6108 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6109 (-dL, -fdump-rtl-loop2): Update the dump file names
6111 * doc/invoke.texi: Update dump file names.
6113 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6115 * predict.c (estimate_probability): Remove.
6116 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6117 * basic-block.h (estimate_probability): Remove prototype.
6118 * passes.c (finish_optimization_passes): Dump branch prediction or
6119 profiling heuristics to the .profile tree dump.
6120 (init_optimization_passes): Unqueue pass_branch_prob.
6122 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6124 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6126 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6127 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6129 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6131 * function.h (frame_offset_overflow): Declare.
6132 * function.c (frame_offset_overflow): New function.
6133 (assign_stack_local_1): Call it to detect that the offset overflows.
6134 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6136 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6138 * config/sh/sh.c: Include alloc-pool.h.
6139 (label_ref_list_pool): New alloc pool.
6140 (label_ref_list_t): New type for lists of labels.
6141 (struct pool_node): Make wend a label_ref_list_t.
6142 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6144 (dump_table): Likewise.
6145 (sh_reorg): Set up the alloc pool before using add_constant and
6146 dump_table, and destroy it when finishing.
6148 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6150 * config/mips/mips.c: Remove redundant comment.
6152 2006-03-10 Jason Merrill <jason@redhat.com>
6155 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6156 the target was declared 'register'.
6158 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6160 * genpreds.c (write_insn_constraint_len): Change definition of
6161 insn_constraint_len to return size_t to match the declaration.
6163 2006-03-10 DJ Delorie <dj@redhat.com>
6165 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6167 (m32c_expand_insv): Fix test for an AND mask.
6169 2006-03-10 Richard Guenther <rguenther@suse.de>
6172 * builtins.c (get_pointer_alignment): Handle component
6173 references for field alignment.
6175 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6177 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6178 when building with libgloss.
6179 (sh*elf): Implement --without-fp option.
6180 (sh64-superh-linux*): Don't multilib.
6182 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6184 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6186 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6188 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6189 Set it when one of the replacement functions returned true.
6190 Return TODO_cleanup_cfg if cfgchanged is true.
6191 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6193 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6195 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6196 instead of gen_lowpart.
6198 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6200 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6202 (mips_output_order_conditional_branch): Declare.
6203 * config/mips/mips.h (MIPS_BRANCH): New macro.
6204 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6205 for the comparison. Use gen_condjump.
6206 (mips_output_conditional_branch): Rework interface to take the
6207 asm templates for a direct branch and the inverse of a direct branch.
6208 (mips_output_order_conditional_branch): New function.
6209 (mips_builtin_branch_and_move): New function.
6210 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6211 branch condition. Use gen_single_cc as the condition for
6212 __builtin_mips_upper_* or __builtin_mips_lower_*.
6213 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6214 Use VOIDmode for the branch condition.
6215 * config/mips/predicates.md (order_operator): New predicate.
6216 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6217 (branch_fp): Rename to...
6218 (*branch_fp): ...this. Remove mode from comparison operator.
6219 Use new mips_output_conditional_branch interface.
6220 (branch_fp_inverted): Rename to...
6221 (*branch_fp_inverted): ...this and update as for *branch_fp.
6222 (*branch_zero<mode>): Rename to...
6223 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6224 Use mips_output_order_conditional_branch. Only accept ordered
6226 (*branch_zero<mode>_inverted): Rename to...
6227 (*branch_order<mode>_inverted): ...this and update as for
6228 *branch_order<mode>.
6229 (*branch_equality<mode>): Accept zero as the second operand to
6230 the equality operator. Use the new mips_output_conditional_branch
6232 (*branch_equality<mode>_inverted): Likewise.
6233 (condjump): New expander.
6234 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6236 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6237 (bc1any2t, bc1any2f): Likewise.
6238 (single_cc): New expander.
6239 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6241 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6243 * doc/md.texi: Update documentation of MIPS constraints.
6244 * config/mips/constraints.md: New file.
6245 * config/mips/mips.md: Include it.
6246 * config/mips/mips.c (mips_char_to_class): Delete.
6247 (override_options): Don't initialize mips_char_to_class.
6248 * config/mips/mips.h (mips_char_to_class): Delete.
6249 (REG_CLASS_FROM_LETTER): Delete.
6250 (CONST_OK_FOR_LETTER_P): Delete.
6251 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6252 (EXTRA_CONSTRAINT_Y): Delete.
6253 (EXTRA_CONSTRAINT_STR): Delete.
6254 (CONSTRAINT_LEN): Delete.
6255 (EXTRA_MEMORY_CONSTRAINT): Delete.
6257 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6259 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6260 original fn's eh regions.
6262 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6264 * fold-const.c (build_range_check): Make sure to use a valid type to
6265 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6268 (range_predecessor): New static function.
6269 (range_successor): Likewise.
6270 (merge_ranges): Use them to compute predecessors and successors of
6273 2006-03-09 Roger Sayle <roger@eyesopen.com>
6276 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6277 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6279 2006-03-08 DJ Delorie <dj@redhat.com>
6281 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6282 (addpsi3): Expand to include memory operands. Remove
6283 reload-specific splits.
6284 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6285 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6286 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6287 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6288 (shift1_qi, shift1_hi, insv): New.
6289 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6290 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6291 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6293 * config/m32c/m32c-protos.h: Update as needed.
6294 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6295 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6296 Fail for unrecognized R* constraints.
6297 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6298 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6299 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6301 (m32c_init_libfuncs): New.
6302 (m32c_legitimate_address_p): Add debug wrapper.
6303 (m32c_rtx_costs): New.
6304 (m32c_address_cost): New.
6305 (conversions): Add 'B' prefix.
6306 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6307 operands, or word regnames for QI operands. 'B' prints bit
6309 (m32c_expand_setmemhi): New.
6310 (m32c_expand_movmemhi): New.
6311 (m32c_expand_movstr): New.
6312 (m32c_expand_cmpstr): New.
6313 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6314 (m32c_expand_neg_mulpsi3): Handle non-ints.
6315 (m32c_cmp_flg_0): New.
6316 (m32c_expand_movcc): New.
6317 (m32c_expand_insv): New.
6318 (m32c_scc_pattern): New.
6319 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6320 a0/a1 out of SIregs.
6321 (STORE_FLAG_VALUE): New.
6322 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6325 * config/m32c/mov.md: Make constraints more liberal.
6326 (zero_extendqihi2): Optimize r0/r1 case.
6327 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6328 * config/m32c/predicates.md (m32c_any_operand): New.
6329 (m32c_nonimmediate_operand): New.
6330 (m32c_hl_operand): New.
6331 (m32c_r3_operand): New.
6334 (memsym_operand): New.
6335 (memimmed_operand): New.
6336 (a_qi_operand): New.
6337 (m32c_eqne_operator): New.
6338 (m32c_1bit8_operand): New.
6339 (m32c_1bit16_operand): New.
6340 (m32c_1mask8_operand): New.
6341 (m32c_1mask16_operand): New.
6342 * config/m32c/blkmov.md: New file.
6343 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6345 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6347 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6348 unsigned to fix signed/unsigned comparison issue in
6349 DWARF2_FRAME_REG_OUT.
6350 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6351 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6353 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6354 of ptr into the ENABLE_CHECKING section.
6356 2006-03-08 Jeff Law <law@redhat.com>
6358 * tree-vrp.c (infer_value_range): Only count pointer uses
6359 and dereferences if -fdelete-null-pointer-checks is enabled.
6361 * tree-vrp.c (find_assert_locations): Infer value ranges for
6362 single use pointers, but do not create ASSERT_EXPRs for them.
6363 When a non-null range is inferred for a pointer, backwards
6364 propagate that range to other equivalent pointers through the
6367 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6370 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6371 language hook targets.
6372 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6373 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6374 if language hook targets were missing.
6376 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6378 * tree-ssa-opfinalize.h: Removed.
6379 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6381 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6382 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6383 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6384 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6385 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6386 finalize_ssa_v_must_def_ops): New.
6388 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6390 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6393 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6395 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6397 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6398 addresses with offsets; reorganize.
6400 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6401 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6402 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6404 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6407 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6409 2006-03-08 Ben Elliston <bje@au.ibm.com>
6411 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6413 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6416 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6419 2006-03-07 Richard Guenther <rguenther@suse.de>
6421 PR tree-optimization/26587
6422 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6424 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6426 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6428 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6430 * hooks.c (hook_bool_mode_rtx_true): New function.
6431 * hooks.h (hook_bool_mode_rtx_true): Declare.
6432 * toplev.c (compile_file): Call output_shared_constant_pool.
6433 * varasm.c (shared_constant_pool): New variable.
6434 (assemble_start_function, assemble_end_function): Remove arguments
6435 from call to output_constant_pool.
6436 (create_constant_pool): New function, split out from...
6437 (init_varasm_status): ...here.
6438 (force_const_mem): Choose between the shared and per-function constant
6439 pools. Set current_function_uses_const_pool when reusing old entries
6440 as well as when creating new ones.
6441 (mark_constant): Ignore data argument.
6442 (mark_constants): Remove pool argument.
6443 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6444 to decide whether the function uses a constant pool.
6445 (output_constant_pool_contents): New function, split out from...
6446 (output_constant_pool): ...here.
6447 (output_shared_constant_pool): New function.
6448 (init_varasm_once): Initialize shared_constant_pool.
6449 * output.h (output_constant_pool): Delete.
6450 (output_shared_constant_pool): Declare.
6451 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6452 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6454 2006-03-06 Nick Clifton <nickc@redhat.com>
6456 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6457 flag_strength_reduce.
6459 2006-03-06 Ben Elliston <bje@au.ibm.com>
6461 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6462 x86_64-*-linux* configurations.
6464 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6465 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6467 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6469 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6471 * basic-block.h: Remove the extern for
6472 rediscover_loops_after_threading.
6474 * cfgloop.c (cancel_loop): Make it static.
6475 * cfgloop.h: Remove the prototype for cancel_loop.
6477 * flow.c (recompute_reg_usage): Make it static.
6478 * rtl.h: Remove the prototype for recompute_reg_usage.
6480 * function.c (use_return_register): Make it static.
6481 * function.h: Remove the prototype.
6483 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6485 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6487 * recog.h: Remove the prototype for
6488 validate_change_maybe_volatile.
6490 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6492 * rtlanal.c (replace_reg): Remove.
6493 * rtl.h: Remove the prototype for replace_reg.
6495 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6497 * regclass.c (reg_scan_update): Remove.
6498 (reg_scan_mark_refs): Remove the last argument.
6499 * rtl.h: Remove the prototype for reg_scan_update.
6501 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6503 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6504 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6505 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6506 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6507 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6508 loop-invariant.c, omp-low.c, opts.c, passes.c,
6509 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6510 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6511 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6512 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6513 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6514 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6516 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6518 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6519 * dwarf2out.h: Remove the prototype for
6520 dwarf2out_add_library_unit_info.
6522 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6524 * tree.c (add_var_to_bind_expr): Remove.
6525 * tree.h: Remove the prototype for add_var_to_bind_expr.
6527 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6529 * regclass.c (n_non_fixed_regs): Remove.
6530 (init_reg_sets_1, globalize_reg): Remove all uses of
6532 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6534 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6536 * rtlanal.c (insns_safe_to_move_p): Remove.
6537 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6539 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6541 * expmed.c (expand_mult_add): Remove.
6542 * expr.h: Remove the prototype for expand_mult_add.
6544 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6546 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6547 and REG_SAVED_VAL_EXP constants.
6548 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6549 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6550 Handle regs stored by value.
6551 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6552 (execute_cfa_program): Handle DW_CFA_val_offset,
6553 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6554 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6555 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6556 (uw_install_context_1): Handle target regs stored by value.
6558 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6560 * tree-sra.c (tree_sra): Return todoflags;
6561 (generate_one_element): Set TODO_update_smt_usage if needed.
6562 (pass_sra): Remove TODO_update_smt_usage.
6563 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6565 (tree_ssa_forward_propagate_single_use_vars): Return
6566 TODO_update_smt_usage if we need to update SMT usage.
6567 (pass_forwprop): Remove TODO_update_smt_usage.
6569 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6571 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6572 (correct_use_link): Remove reference to get_stmt_operands.
6573 (update_stmt_operands): Likewise.
6574 (get_modify_expr_operands): New function factored out of
6575 parse_ssa_operands and get_expr_operands.
6576 Try to create V_MUST_DEFs for LHS by default.
6577 (get_expr_operands) <case MODIFY_EXPR>: Call
6578 get_modify_expr_operands.
6579 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6580 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6581 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6582 get_modify_expr_operands.
6584 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6586 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6587 * tree-flow.h: Remove the prototype for
6588 referenced_var_lookup_if_exists.
6590 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6592 PR rtl-optimization/26345
6594 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6596 2006-03-03 Roger Sayle <roger@eyesopen.com>
6598 PR tree-optimization/26524
6599 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6600 fold_convert to create a constant of the appropriate type.
6602 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6604 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6605 SYMBOL_REF_IN_BLOCK_P.
6606 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6607 of SYMBOL_FLAG_IN_BLOCK.
6608 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6609 instead of SYMBOL_REF_IN_BLOCK_P.
6610 * explow.c (use_anchored_address): Likewise.
6611 * rtl.c (rtx_size): Likewise.
6612 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6613 instead of SYMBOL_FLAG_IN_BLOCK.
6614 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6615 SYMBOL_REF_IN_BLOCK_P.
6616 (assemble_variable): Likewise.
6617 (output_constant_def_contents): Likewise.
6618 (output_constant_pool): Likewise.
6619 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6620 instead of SYMBOL_FLAG_IN_BLOCK.
6621 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6622 SYMBOL_REF_IN_BLOCK_P.
6623 (SYMBOL_REF_BLOCK): Likewise.
6624 (SYMBOL_REF_OFFSET): Likewise.
6625 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6626 SYMBOL_REF_IN_BLOCK_P.
6627 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6628 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6629 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6630 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6632 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6634 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6636 2006-03-02 Roger Sayle <roger@eyesopen.com>
6638 * simplify-rtx.c (simplify_unary_operation): When simplifying
6639 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6640 that we perform the right shift in the appropriate mode, and
6641 then extend or truncate the result to requested mode.
6643 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6645 * gengtype.c (main): Handle double_int type.
6646 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6647 * double-int.c: New file.
6648 * double-int.h: New file.
6649 * system.h: Include doubleint.h.
6650 * Makefile.in (SYSTEM_H): Include double-int.h.
6651 (double-int.o): Add.
6653 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6656 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6659 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6661 * tree-vrp.c (remove_range_assertions): Do not update statements
6664 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6666 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6668 * gcse.c (rest_of_handle_gcse): Ditto.
6669 * except.c (gate_handle_eh): Ditto.
6670 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6671 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6673 2006-03-02 Eric Christopher <echristo@apple.com>
6675 * config/i386/i386.c (machopic_output_stub): Add indirection to
6678 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6682 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6684 Sun Niagara specific optimizations.
6685 * config.gcc: Recognize niagara as target.
6686 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6687 (TARGET_CPU_niagara): Define.
6688 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6689 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6690 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6691 (ASM_CPU_SPEC): Likewise.
6692 (PROCESSOR_NIAGARA): New enum entry.
6693 (REGISTER_MOVE_COST): Handle Niagara.
6694 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6695 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6696 (sparc_override_options): Recognize "niagara", set appropriate
6697 default MASK_* values for it, and align functions to 32-bytes
6698 by default just like ULTRASPARC/ULTRASPARC3.
6699 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6700 (sparc64_initialize_trampoline): Likewise.
6701 (sparc_use_sched_lookahead): Use zero for niagara.
6702 (sparc_issue_rate): Use one for niagara.
6703 * config/sparc/niagara.md: New file.
6704 * config/sparc/sparc.md: Include it.
6705 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6706 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6707 when default cpu is niagara.
6708 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6709 (ASM_CPU_SPEC): Likewise.
6710 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6711 when default cpu is niagara.
6712 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6713 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6714 just like v9/ultrasparc/ultrasparc3.
6715 * doc/invoke.texi: Add documentation for "niagara" and improve
6716 existing documentation for ultrasparc variants.
6718 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6720 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6722 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6724 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6725 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6726 and say that only one is needed.
6727 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6728 * target.h (have_switchable_bss_sections): New hook.
6729 * explow.c (use_anchored_address): Check that the symbol is in a block.
6730 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6731 (bss_noswitch_section): New variables.
6732 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6733 (get_noswitch_section): New function.
6734 (get_block_for_section): Allow SECT to be null.
6735 (unlikely_text_section_p): Use SECTION_STYLE.
6736 (bss_initializer_p): New function.
6737 (get_variable_section): Move earlier in file. Take a new argument,
6738 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6739 Return one of the new *_sections in such cases.
6740 (get_block_for_decl): New function, extracting some logic from
6741 use_blocks_for_decl_p.
6742 (change_symbol_section): Remove in favor of...
6743 (change_symbol_block): ...this new function.
6744 (use_blocks_for_decl_p): Remove checks now performed by
6746 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6747 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6748 (emit_local, emit_bss, emit_common): ...these new functions.
6749 Return true if the alignment was honored.
6750 (emit_tls_common): New function.
6751 (asm_emit_uninitialised): Delete.
6752 (assemble_variable_noswitch): New function, split out from...
6753 (assemble_variable): ...here. Don't make decisions about common
6754 variables here. Globalize all public decls that go into non-common
6755 sections. Check whether SYMBOL_REF_BLOCK is null.
6756 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6757 (output_constant_pool): Likewise.
6758 (init_varasm_once): Initialize the new section variables.
6759 (have_global_bss_p): New function.
6760 (categorize_decl_for_section): Use bss_initializer_p.
6761 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6762 (place_block_symbol): Assert that the symbol must be in a block.
6763 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6764 (TARGET_INITIALIZER): Include it.
6765 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6766 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6767 (SECTION_MACH_DEP): Bump by two.
6768 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6769 (unnamed_section): Mention SECTION_UNNAMED in comment.
6770 (named_section): Likewise SECTION_NAMED.
6771 (noswitch_section_callback): New type.
6772 (noswitch_section): New structure.
6773 (section): Add a noswitch_section alternative.
6774 (SECTION_STYLE): New macro.
6775 (tls_comm_section, comm_section, lcomm_section): Declare.
6776 (bss_noswitch_section, have_global_bss_p): Declare.
6777 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6778 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6780 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6781 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6784 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6786 * tree-vrp.c (execute_vrp): Return value.
6787 * regrename.c (rest_of_handle_regrename): Ditto.
6788 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6789 * tree-complex.c (tree_lower_complex): Ditto.
6790 (tree_lower_complex_O0): Ditto.
6791 * tracer.c (rest_of_handle_tracer): Ditto.
6792 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6793 * postreload.c (rest_of_handle_postreload): Ditto.
6794 * tree-tailcall.c (execute_tail_recursion): Ditto.
6795 (execute_tail_calls): Ditto.
6796 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6797 * tree.h (init_function_for_compilation): Ditto.
6798 * ipa-cp.c (ipcp_driver): Ditto.
6799 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6800 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6801 * final.c (compute_alignments): Ditto.
6802 (rest_of_handle_final): Ditto.
6803 (rest_of_handle_shorten_branches): Ditto.
6804 (rest_of_clean_state): Ditto.
6805 * omp-low.c (execute_expand_omp): Ditto.
6806 (execute_lower_omp): Ditto.
6807 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6808 * ipa-reference.c (static_execute): Ditto.
6809 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6810 * reorg.c (rest_of_handle_delay_slots): Ditto.
6811 (rest_of_handle_machine_reorg): Ditto.
6812 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6813 * flow.c (recompute_reg_usage): Ditto.
6814 (rest_of_handle_remove_death_notes): Ditto.
6815 (rest_of_handle_life): Ditto.
6816 (rest_of_handle_flow2): Ditto.
6817 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6818 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6819 (do_ssa_store_ccp): Ditto.
6820 (execute_fold_all_builtins): Ditto.
6821 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6822 * modulo-sched.c (rest_of_handle_sms): Ditto.
6823 * ipa-pure-const.c (static_execute): Ditto.
6824 * cse.c (rest_of_handle_cse): Ditto.
6825 (rest_of_handle_cse2): Ditto.
6826 * web.c (rest_of_handle_web): Ditto.
6827 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6828 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6829 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6830 * tree-nrv.c (tree_nrv): Ditto.
6831 (execute_return_slot_opt): Ditto.
6832 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6833 (create_structure_vars): Ditto.
6834 * loop-init.c (rtl_loop_init): Ditto.
6835 (rtl_loop_done): Ditto.
6836 (rtl_move_loop_invariants): Ditto.
6837 (rtl_unswitch): Ditto.
6838 (rtl_unroll_and_peel_loops): Ditto.
6839 (rtl_doloop): Ditto.
6840 * gimple-low.c (lower_function_body): Ditto.
6841 (mark_used_blocks): Ditto.
6842 * tree-ssa-sink.c (execute_sink_code): Ditto.
6843 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6844 (cgraph_early_inlining): Ditto.
6845 * global.c (rest_of_handle_global_alloc): Ditto.
6846 * jump.c (cleanup_barriers): Ditto.
6847 (purge_line_number_notes): Ditto.
6848 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6849 (rest_of_handle_if_after_reload): Ditto.
6850 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6851 (tree_ssa_loop_im): Ditto.
6852 (tree_ssa_loop_unswitch): Ditto.
6853 (tree_vectorize): Ditto.
6854 (tree_linear_transform): Ditto.
6855 (tree_ssa_loop_ivcanon): Ditto.
6856 (tree_ssa_empty_loop): Ditto.
6857 (tree_ssa_loop_bounds): Ditto.
6858 (tree_complete_unroll): Ditto.
6859 (tree_ssa_loop_prefetch): Ditto.
6860 (tree_ssa_loop_ivopts): Ditto.
6861 (tree_ssa_loop_done): Ditto.
6862 * predict.c (tree_estimate_probability): Ditto.
6863 * recog.c (split_all_insns_noflow): Ditto.
6864 (rest_of_handle_peephole2): Ditto.
6865 (rest_of_handle_split_all_insns): Ditto.
6866 * tree-eh.c (lower_eh_constructs): Ditto.
6867 * regmove.c (rest_of_handle_regmove): Ditto.
6868 (rest_of_handle_stack_adjustments): Ditto.
6869 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6870 * function.c (instantiate_virtual_regs): Ditto.
6871 (init_function_for_compilation): Ditto.
6872 (rest_of_handle_check_leaf_regs): Ditto.
6873 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6874 (rest_of_handle_gcse): Ditto.
6875 * ipa-type-escape.c (type_escape_execute): Ditto.
6876 * alias.c (rest_of_handle_cfg): Ditto.
6877 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6878 * profile.c (rest_of_handle_branch_prob): Ditto.
6879 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6880 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6881 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6882 * tree-dfa.c (find_referenced_vars): Ditto.
6883 * except.c (set_nothrow_function_flags): Ditto.
6884 (convert_to_eh_region_ranges): Ditto.
6885 (rest_of_handle_eh): Ditto.
6886 * emit-rtl.c (unshare_all_rtl): Ditto.
6887 (remove_unnecessary_notes): Ditto.
6888 * except.h (set_nothrow_function_flags): Ditto.
6889 (convert_to_eh_region_ranges): Ditto.
6890 * cfgexpand.c (tree_expand_cfg): Ditto.
6891 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6892 * tree-ssa-pre.c (do_pre): Ditto.
6893 (execute_fre): Ditto.
6894 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6895 (rest_of_handle_jump2): Ditto.
6896 * tree-sra.c (tree_sra): Ditto.
6897 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6898 (execute_mudflap_function_decls): Ditto.
6899 * tree-ssa-copy.c (do_copy_prop): Ditto.
6900 (do_store_copy_prop): Ditto.
6901 * ipa-prop.h (ipcp_driver): Ditto.
6902 * cfglayout.c (insn_locators_initialize): Ditto.
6903 * tree-ssa-forwprop.c
6904 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6905 * cfglayout.h (insn_locators_initialize): Ditto.
6906 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6907 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6908 (execute_late_warn_uninitialized): Ditto.
6909 * rtl.h (cleanup_barriers): Ditto.
6910 (split_all_insns_noflow): Ditto.
6911 (purge_line_number_notes): Ditto.
6912 (unshare_all_rtl): Ditto.
6913 (remove_unnecessary_notes): Ditto.
6914 (recompute_reg_usage): Ditto.
6915 (variable_tracking_main): Ditto.
6916 * integrate.c (emit_initial_value_sets): Ditto.
6917 * integrate.h (emit_initial_value_sets): Ditto.
6918 * tree-optimize.c (execute_free_datastructures): Ditto
6919 (execute_free_cfg_annotations): Ditto.
6920 (execute_fixup_cfg): Ditto.
6921 (execute_cleanup_cfg_pre_ipa): Ditto.
6922 (execute_cleanup_cfg_post_optimizing): Ditto.
6923 (execute_init_datastructures): Ditto.
6924 * tree-object-size.c (compute_object_sizes): Ditto.
6925 * combine.c (rest_of_handle_combine): Ditto.
6926 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6927 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6928 (rest_of_handle_reorder_blocks): Ditto.
6929 (rest_of_handle_partition_blocks): Ditto.
6930 * var-tracking.c (variable_tracking_main): Ditto.
6931 * tree-profile.c (tree_profiling): Ditto.
6932 * tree-vect-generic.c (expand_vector_operations): Ditto.
6933 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6934 * sched-rgn.c (rest_of_handle_sched): Ditto.
6935 (rest_of_handle_sched2): Ditto.
6936 * basic-block.h (free_bb_insn): Ditto.
6937 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6938 * tree-cfg.c (execute_build_cfg): Ditto.
6939 (remove_useless_stmts): Ditto.
6940 (split_critical_edges): Ditto.
6941 (execute_warn_function_return): Ditto.
6942 (execute_warn_function_noreturn): Ditto.
6943 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6944 * cfgrtl.c (free_bb_for_insn): Ditto.
6945 * passes.c (execute_one_pass): Run additional
6946 todos returned by execute function.
6947 * tree-pass.h (struct tree_opt_pass): Make execute
6950 2006-03-02 Richard Guenther <rguenther@suse.de>
6952 * tree-ssa-alias.c (find_used_portions): Consider taking
6953 the address as making the variable not write-only.
6955 2006-03-02 Nick Clifton <nickc@redhat.com>
6957 * config.gcc (default_use_cxa_atexit): Extend the description of
6958 this configure variable. Set its default value to "yes" for
6959 Linux, NetBSD and ELF targets on the assumption that they will
6960 use C libraries with the __cxa_atexit function.
6962 2006-03-02 Ben Elliston <bje@au.ibm.com>
6964 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6965 parameter as unused to suppress a build warning.
6967 2006-03-02 Ben Elliston <bje@au.ibm.com>
6969 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6972 2006-03-01 Roger Sayle <roger@eyesopen.com>
6975 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6976 declared name, the weak reference name, and the typeof name.
6977 (__gthrw): Avoid expanding the declared name suffix.
6978 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6980 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6982 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6984 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6985 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6986 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6987 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6988 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6989 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6990 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6991 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6992 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6993 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6994 (DW_END_default, DW_END_big, DW_END_little): New.
6995 (DW_END_lo_user, DW_END_hi_user): Define.
6996 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6997 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6998 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7001 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7003 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7005 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7007 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7009 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7011 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7012 to 'symbol_mem_tag'.
7014 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7017 2006-03-01 Roger Sayle <roger@eyesopen.com>
7019 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7021 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7024 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7025 MACHO_DYNAMIC_NO_PIC_P.
7026 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7028 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7031 * config/darwin-protos.h (darwin_asm_output_anchor):
7033 * config/darwin-sections.def (cstring_section):
7034 Add SECTION_MERGE to the flags.
7035 (literal4_section): Likewise.
7036 (literal8_section): Likewise.
7037 (objc_selector_refs_section): Likewise.
7038 (objc_cls_refs_section): Likewise.
7039 * config/darwin.c (darwin_asm_output_anchor): New
7041 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7043 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7045 Fix PR tree-optimization/26443
7046 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7047 to todo and PROP_tmt_usage to properties_destroyed.
7048 * tree-ssa-ccp.c (pass_ccp): Ditto.
7049 (pass_store_ccp): Ditto.
7050 * tree-ssa-dom.c (pass_dominator): Ditto.
7052 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7054 * tree-ssa-operands.c: Cleanup whitespace.
7055 (get_asm_expr_operands): Move before first invocation.
7056 (get_indirect_ref_operands): Likewise.
7057 (get_tmr_operands): Likewise.
7058 (get_call_expr_operands): Likewise.
7059 (append_def): Likewise.
7060 (append_use): Likewise.
7061 (append_v_may_def): Likewise.
7062 (append_v_must_def): Likewise.
7063 (add_call_clobber_ops): Likewise.
7064 (add_call_read_ops): Likewise.
7065 (add_stmt_operand): Likewise.
7066 (add_virtual_operand): Likewise.
7067 (build_ssa_operands): Likewise.
7069 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7074 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7075 with a call expr to ...
7076 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7078 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7080 * tree-vrp.c (extract_range_from_assert): Remove special
7081 handling for types with super-types.
7083 2006-03-01 Ben Elliston <bje@au.ibm.com>
7085 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7086 and powerpc64-*-linux* configurations.
7087 * config/t-dfprules: New file.
7089 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7090 Compile dfp-bit.c from the source directory using -DWIDTH and
7091 $DFP_CFLAGS to control the compilation of that file, rather than
7092 generating width-specific versions in the build directory.
7093 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7094 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7096 2006-02-28 Zack Weinberg <zackw@panix.com>
7098 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7101 2006-02-28 Eric Christopher <echristo@apple.com>
7103 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7104 Set up IN_LIBGCC definition of TARGET_64BIT.
7105 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7107 2006-02-28 Roger Sayle <roger@eyesopen.com>
7110 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7111 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7112 cases via the construction of "expr != 0".
7114 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7116 * alias.c (alias_invariant, alias_invariant_size): Remove.
7117 (record_base_value): Remove.
7118 (memrefs_conflict_p): Don't look at alias_invariant.
7119 (end_alias_analysis): Don't free it.
7120 * alias.h (record_base_value): Remove prototype.
7122 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7123 Adam Nemet <anemet@caviumnetworks.com>
7125 * rtl.h (truncated_to_mode): Declare it.
7126 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7127 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7128 (RTL_HOOKS_INITIALIZER): Include it.
7129 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7130 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7131 reg_truncated_to_mode.
7132 * rtlanal.c (truncated_to_mode): Define it.
7133 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7135 2006-02-28 Jeff Law <law@redhat.com>
7137 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7138 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7139 the range allowed by TYPE_PRECISION.
7141 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7143 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7145 PR tree-optimization/26419
7146 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7149 2006-02-27 Zack Weinberg <zackw@panix.com>
7151 * doc/md.texi: Fix typo in previous change.
7153 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7157 2006-02-27 Zack Weinberg <zackw@panix.com>
7159 * rtl.def (define_constraint, define_register_constraint)
7160 (define_memory_constraint, define_address_constraint): New MD forms.
7161 * gensupport.c (process_rtx): Put define_constraint etc on the
7163 * genpreds.c (process_define_predicate): Adjust comment. Validate
7164 the name, and call validate_exp to validate the expression.
7165 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7166 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7167 all callers changed.
7168 (validate_exp, needs_variable, struct constraint_data)
7169 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7170 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7171 (const_dbl_constraints, constraint_max_namelen)
7172 (have_register_constraints, have_memory_constraints)
7173 (have_address_constraints, have_address_constraints)
7174 (have_extra_constraints, have_const_int_constraints)
7175 (have_const_dbl_constraints, mangle, add_constraint)
7176 (process_define_constraint, process_define_register_constraint)
7177 (write_enum_constraint_num, write_lookup_constraint)
7178 (write_insn_constraint_len, write_regclass_for_constraint)
7179 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7180 (write_insn_extra_memory_constraint)
7181 (write_insn_extra_address_constraint)
7182 (write_satisfies_constraint_fns): New.
7183 (write_tm_preds_h): If we have new-style constraint definitions,
7184 prototype the functions generated from them, and define the
7185 old constraint interface (still used by generic code) in terms of
7187 (write_insn_preds_c): If we have new-style constraint definitions,
7188 generate all relevant functions from those definitions.
7189 (main): Handle define_constraint etc.
7190 * genoutput.c (struct constraint_data, indep_constraints)
7191 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7192 (mdep_constraint_len): New data structures and functions, defined
7193 #ifdef USE_MD_CONSTRAINTS.
7194 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7195 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7196 use new logic to validate operand constraints against constraint
7198 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7200 * defaults.h: If none of the old-style constraint macros are
7201 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7202 old-style macros; and poison REG_CLASS_FROM_LETTER,
7203 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7205 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7206 * doc/md.texi: Document new constraint-definition mechanism and the
7207 C interface it provides. Remove references to old mechanism
7208 elsewhere in the document.
7209 (Machine Constraints): Use pathnames relative to gcc directory,
7210 i.e. config/ARCH/FILE. Change i386 section to refer to
7211 config/i386/predicates.md; update that section to match docstrings.
7212 * doc/tm.texi: Move all documentation of the old constraint-
7213 definition macros to their own section, clearly mark as obsolete.
7215 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7216 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7218 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7219 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7220 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7222 (splits and peepholes): Use satisfies_constraint_*.
7223 * config/i386/i386.c (memory_address_length)
7224 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7226 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7228 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7229 scalar operation to be put back into the loop.
7231 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7234 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7235 (extract_cie_info): Handle S flag in augmentation string.
7236 (execute_cfa_program): If context->signal_frame, execute also
7237 fs->pc == context->ra instructions.
7238 (uw_frame_state_for): If context->signal_frame, don't subtract one
7239 from context->ra to find FDE.
7240 (uw_update_context_1): Set context->signal_frame to
7242 (_Unwind_GetIPInfo): New function.
7243 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7244 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7246 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7247 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7248 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7249 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7250 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7251 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7252 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7253 x86_64_fallback_frame_state): Set fs->signal_frame.
7254 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7255 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7256 (frob_update_context): Likewise. Workaround missing S flag in
7257 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7258 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7259 Remove the psw_addr + 1 hack.
7261 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7263 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7264 with aggregates here.
7265 (find_func_aliases): Remove code for &<aggregate> from here.
7267 2006-02-26 Roger Sayle <roger@eyesopen.com>
7269 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7270 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7271 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7274 2006-02-26 Roger Sayle <roger@eyesopen.com>
7277 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7279 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7281 * opts.c (decode_options): Do not handle flag_strength_reduce.
7282 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7283 and OPT_fstrength_reduce.
7284 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7285 flag_prefetch_loop_arrays for being nonzero.
7286 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7288 (fprefetch-loop-arrays-rtl): Removed.
7289 (flag_prefetch_loop_arrays): Do not specify the value.
7291 * doc/passes.texi: Update documentation of loop optimizer
7293 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7294 -frerun-loop-opt): Remove.
7296 2006-02-26 Richard Guenther <rguenther@suse.de>
7298 PR tree-optimization/26421
7299 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7300 in function calls that are ADDR_EXPRs as using the whole structure.
7302 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7304 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7305 * tree-pass.h (pass_loop_optimize): Remove.
7306 * passes.c (pass_loop_optimize): Never run it.
7307 * toplev.c (backend_init): Don't call init_loop.
7308 * opts.c (flag_loop_optimize_set): Remove.
7309 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7310 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7311 the old RTL loop optimizer when profiling enabled.
7312 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7313 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7314 pre-headers for the sake of the old RTL loop optimizer.
7315 * Makefile.in: Remove all references to loop.o.
7317 * doc/invoke.texi: Remove all references to -floop-optimize
7318 and -frerun-loop-opt.
7320 2006-02-26 Zack Weinberg <zackw@panix.com>
7322 * doc/md.texi (Machine Constraints): Refer to all files with paths
7323 relative to gcc directory (i.e. config/CPU/file). Add missing
7324 @table @code ... @end table to M32C subsection.
7326 2006-02-26 Roger Sayle <roger@eyesopen.com>
7328 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7330 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7332 2006-02-26 Roger Sayle <roger@eyesopen.com>
7333 James A. Morrison <phython@gcc.gnu.org>
7336 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7337 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7338 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7339 signedness of the shift operation.
7341 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7343 PR tree-optimization/26359
7344 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7346 2006-02-25 Roger Sayle <roger@eyesopen.com>
7348 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7349 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7350 as X == 0, and some symmetry related transformations.
7351 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7353 2006-02-25 Roger Sayle <roger@eyesopen.com>
7356 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7357 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7358 symmetry related transformations. Fold (X^C1) == C2 as
7361 2006-02-25 Juergen Weigert <jw@suse.de>
7362 Richard Guenther <rguenther@suse.de>
7364 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7366 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7368 * combine.c (gen_lowpart_or_truncate): Call
7369 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7371 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7373 * doc/invoke.texi: Move -fopenmp description to "Options for
7375 Remove reference to -lgomp.
7377 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7379 * doc/install.texi: Require GNU tar version 1.14.
7381 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7383 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7384 * doc/invoke.texi (C++ Dialect Options): Document
7385 -fno-use-cxa-get-exception-ptr.
7386 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7387 * configure: Regenerate.
7388 * c.opt (fuse-cxa-get-exception-ptr): New.
7389 * c-opts.c (c_common_handle_option): Handle
7390 OPT_fuse_cxa_get_exception_ptr.
7391 * c-common.c (flag_use_cxa_atexit): Update documentation.
7392 (flag_use_cxa_get_exception_ptr): New.
7393 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7394 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7396 (C_COMMON_OVERRIDE_OPTIONS): New.
7398 2006-02-24 Roger Sayle <roger@eyesopen.com>
7401 * combine.c (try_combine): Explicitly check whether GET_CODE is
7402 a SET or a CLOBBER, instead on checking that it isn't a USE.
7404 2006-02-24 Roger Sayle <roger@eyesopen.com>
7406 * fold-const.c (fold_comparison): New subroutine of fold_binary
7407 containing transformations common to both the equality and
7408 ordering relational operators, factored out of fold_binary.
7409 (fold_binary): Separate out the equality operators (EQ_EXPR
7410 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7411 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7412 transformations common to both.
7413 (fold_div_compare): Fix latent bugs in the previously unreachable
7414 LT_EXPR and GE_EXPR cases.
7416 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7418 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7419 decl libname for clog to __clog on AIX.
7421 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7423 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7426 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7427 output traceback table for thunks. Localise rs6000_stack_info call.
7429 2006-02-23 Roger Sayle <roger@eyesopen.com>
7430 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7432 * gthr-posix.h (__gthrw): Fix typo in comment.
7434 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7436 * doc/cpp.texi (Character sets): Document that we do support
7437 input files to be in any character set.
7439 2006-02-23 Jeff Law <law@redhat.com>
7441 * tree.h (PHI_ARG_NONZERO): Remove.
7442 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7443 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7444 node to the new node.
7446 PR tree-optimization/26425
7447 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7448 min/max, then assume its varying.
7450 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7452 PR rtl-optimization/26316
7453 * rtlanal.c (enum may_trap_p_flags): New.
7454 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7455 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7456 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7457 (may_trap_after_code_motion_p): New function.
7458 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7459 (find_invariant_insn): Use may_trap_after_code_motion_p.
7460 * rtl.h (may_trap_after_code_motion_p): Declare.
7462 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7464 * emit-rtl.c (immed_double_const): Cleanup.
7466 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7468 Fix PR tree-optimization/26376
7469 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7472 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7475 * gimplify.c (omp_add_variable): Guard variable size decl test with
7476 DECL_SIZE (decl) check.
7478 2006-02-23 Richard Guenther <rguenther@suse.de>
7481 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7482 like aggregate types.
7484 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7486 * configure.ac: Add --with{,out}-long-double-128 configure option.
7487 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7488 * configure: Rebuilt.
7489 * config.in: Rebuilt.
7490 * doc/install.texi (Options specification): Document
7491 --with-long-double-128.
7493 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7494 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7495 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7496 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7498 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7500 * config/s390/s390.c (override_options): Handle
7501 TARGET_DEFAULT_LONG_DOUBLE_128.
7503 * config/alpha/alpha.c (override_options): Handle
7504 TARGET_DEFAULT_LONG_DOUBLE_128.
7506 * config/sparc/sparc.c (sparc_override_options): Handle
7507 TARGET_DEFAULT_LONG_DOUBLE_128.
7509 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7511 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7512 (real-install-headers-tar, real-install-headers-cpio)
7513 (real-install-headers-cp): New targets.
7515 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7517 * tree.h (variable_section): Delete.
7518 * varasm.c (variable_section): Delete.
7520 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7522 * install.texi: Add notes on install.texi2html.
7523 (Building in parallel): Do not use footnotes.
7525 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7528 * doc/install.texi (Configuration): Document --disable-libgomp.
7530 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7532 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7534 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7536 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7537 (vec_extractv2df_0_sse): New.
7539 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7541 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7542 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7543 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7544 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7545 to the result of the expression.
7546 (def_cfa_1): Adjust.
7547 (frame_pointer_cfa_offset): Rename to...
7548 (frame_pointer_fb_offset): ... this. Adjust all uses.
7549 (convert_cfa_to_loc_list): Rename to...
7550 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7551 Pass it on to build_cfa_loc.
7552 (compute_frame_pointer_to_cfa_displacement): Rename to...
7553 (compute_frame_pointer_to_fb_displacement): ... this. New
7554 offset parameter. Use it in computation.
7555 (gen_subprogram_die): Compute cfa_fb_offset with the new
7556 macro, and use it to compute the fb loc list and the
7559 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7561 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7562 replaced with register_operand.
7563 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7564 non-DREG is expensive.
7565 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7566 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7569 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7571 * doc/install.texi2html: Use set -e.
7573 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7575 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7576 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7577 * doc/invoke.texi (-fshared-data): Delete.
7578 * common.opt (fshared-data): Delete.
7579 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7580 (assemble_static_space): Remove #if 0 code.
7581 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7582 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7583 * config/cris/cris.h: Remove FIXME.
7585 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7587 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7590 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7593 * combine.c (simplify_shift_const_1): Disable nested shifts
7594 optimization for vector shifts.
7596 2006-02-20 Roger Sayle <roger@eyesopen.com>
7598 PR tree-optimization/26361
7599 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7600 of unsigned integer types.
7602 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7604 * tree-chrec.c (eq_evolutions_p): New.
7605 * tree-chrec.h (eq_evolutions_p): Declared.
7606 * tree-data-ref.c: Fix formatting.
7607 (datadep_stats, dependence_stats): New.
7609 (print_direction_vector): New.
7610 (dump_data_dependence_relation): Use print_direction_vector.
7611 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7612 (compute_subscript_distance): Static.
7613 (initialize_data_dependence_relation): Static. Get the number
7614 of loops surrounding the references from the callers, and initialize
7615 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7616 base_object_differ_p analyzers.
7617 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7618 compute_overlap_steps_for_affine_1_2,
7619 analyze_subscript_affine_affine): Count the classified dependences.
7620 Print a message when a test failed.
7621 (can_use_analyze_subscript_affine_affine): New.
7622 (analyze_siv_subscript): Compute the data dependences on symbolic
7623 scevs that verify can_use_analyze_subscript_affine_affine.
7624 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7625 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7626 Handle symbolic scevs.
7627 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7629 (subscript_dependence_tester): Moved...
7630 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7631 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7632 DDR_SIZE_VECT instead of getting it in parameter.
7633 (subscript_dependence_tester): ... here. Take as a parameter
7634 loop_nest_depth. Call build_classic_dist_vector and
7635 build_classic_dir_vector.
7636 (compute_affine_dependence): Update subscript_dependence_tester
7637 parameters. Update datadep_stats counters. Call
7638 compute_subscript_distance.
7639 (compute_self_dependence): Save the dist and dir vectors. Call
7640 compute_subscript_distance.
7641 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7642 (compute_all_dependences): Reorder parameters as they were before
7643 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7644 compute_subscript_distance. Update the use of
7645 compute_affine_dependence and initialize_data_dependence_relation.
7646 (find_data_references_in_loop): Handle COMPONENT_REF.
7647 (compute_data_dependences_for_loop): Initialize dependence_stats.
7648 Don't call build_classic_dist_vector and build_classic_dir_vector.
7649 Update the parameters of initialize_data_dependence_relation and
7650 compute_all_dependences. Print the statistics from datadep_stats.
7651 (analyze_all_data_dependences): Static. Not used until the pass for
7652 checking the data dependences is contributed.
7653 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7654 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7655 (initialize_data_dependence_relation, compute_affine_dependence,
7656 analyze_all_data_dependences, compute_subscript_distance): Removed.
7657 (print_direction_vector): New.
7658 * lambda.h (gcd): ... here.
7659 (lambda_vector_gcd): Moved here from gcd_vector.
7660 * lambda-code.c (gcd, gcd_vector): Removed.
7661 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7662 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7664 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7666 * ipa-type-escape.c: Tidy some comments and white space.
7667 * tree-ssa-operands.c: Likewise.
7669 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7672 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7673 (dump_decl_name): Do not walk the decl tree chains.
7674 * tree-pass.h (TDF_CHAIN): Remove.
7676 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7678 * Makefile.in (C): Remove
7680 (.PHONY): Remove C and PROTO
7682 2006-02-20 Roger Sayle <roger@eyesopen.com>
7685 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7686 deprecated CHAR_TYPE tree code.
7688 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7690 * configure.ac (target_list): Add install-info, dvi, html.
7691 * configure: Regenerate.
7693 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7694 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7695 treelang/Make-lang.in: Do not use double-colon rules.
7697 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7699 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7700 (TMT_USED_ALONE): New macro.
7701 * tree-pass.h (PROP_tmt_usage): New property.
7702 (TODO_update_tmt_usage): New todo.
7703 * tree-ssa-alias.c (updating_used_alone): New variable.
7704 (recalculate_used_alone): New function.
7705 (compute_may_aliases): Set updating_used_alone, call
7706 recalculate_used_alone.
7707 * tree-sra.c (pass_sra): Note that this pass destroys
7708 PROP_tmt_usage, and add TODO_update_tmt_usage.
7709 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7710 * tree-flow.h (updating_used_alone): Prototype.
7711 (recalculate_used_alone): Ditto.
7712 * passes.c (execute_todo): Add code to set updating_used_alone,
7713 and call recalculate.
7714 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7715 for clobber if used alone, and add assert to verify used_alone
7718 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7720 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7721 for non tls symbols added.
7722 (legitimize_address): Do nothing for PLUS expressions if one of the
7723 addends is a tls symbol reference.
7725 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7729 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7731 * Makefile.in (BOOTSTRAPPING): New.
7732 (quickstrap): New definition if BOOTSTRAPPING=yes.
7734 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7735 * configure.ac: Substitute all_selected_languages with the languages
7736 that were configured. For all the other variables except
7737 lang_specs_files, include all the languages in the tree.
7738 * configure: Regenerate.
7740 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7741 if there is one. Run the commands to run fixincludes in the same
7744 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7745 * doc/install.texi: Document exact conventions for searching target tools.
7746 Document --with-build-time-tools. Document toplevel bootstrap. Document
7747 something more about building an Ada cross-compiler. Don't list GNU Make
7748 requirements which affect all platforms.
7750 2006-02-19 Roger Sayle <roger@eyesopen.com>
7753 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7754 only equivalent if the have both the same mode and precision.
7756 2006-02-20 Ben Elliston <bje@au.ibm.com>
7758 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7760 2006-02-19 Roger Sayle <roger@eyesopen.com>
7761 Steven Bosscher <stevenb.gcc@gmail.com>
7763 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7764 constant pool references to identify stack mode constants.
7765 * rtlanal.c (constant_pool_constant_p): New predicate to check
7766 whether operand is a floating point constant in the pool.
7767 * rtl.h (constant_pool_constant_p): Prototype here.
7768 * loop.c (scan_loop): Avoid hoisting constants from the constant
7769 pool on STACK_REGS targets.
7770 (load_mems): Likewise.
7771 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7772 loads into x87 registers expensive in terms of register pressure.
7774 2006-02-19 Roger Sayle <roger@eyesopen.com>
7776 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7777 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7779 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7781 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7782 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7784 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7786 * doc/invoke.texi: Document -fipa-pta.
7787 * common.opt: Add ipa-pta option.
7788 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7789 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7790 (do_ds_constraint): Ditto.
7791 (get_constraint_for): Only add to referenced_vars if
7792 referenced_vars exists.
7793 (insert_into_field_list): Rewrite to do this unsorted.
7794 (insert_into_field_list_sorted): Rename old insert_into_field_list
7796 (create_function_info_for): Use insert_into_field_list_sorted.
7797 (create_variable_info_for): Rewrite so it uses unsorted version,
7798 since the field list is sorted.
7799 (intra_create_variable_infos): Only add to referenced_vars if
7800 referenced_vars exists.
7801 (ipa_pta_execute): Init heapvars, and delete when done.
7802 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7804 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7806 * doc/install.texi: Add missing `@samp'.
7808 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7810 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7813 2006-02-18 Mark Wielaard <mark@klomp.org>
7815 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7816 who added new 4.1 features, bug fixes and integration support.
7818 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7821 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7824 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7826 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7827 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7828 (copy_insn_1): Likewise. Don't copy each field individually.
7830 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7832 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7833 * rtl.c (rtx_size): Rename variable to...
7834 (rtx_code_size): ...this.
7835 (rtx_size): New function.
7836 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7837 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7839 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7840 * rtl.h (rtx_code_size): New variable.
7841 (rtx_size): Change from a variable to a function.
7842 (RTX_SIZE): Rename to...
7843 (RTX_CODE_SIZE): ...this.
7846 PR tree-optimization/17106
7847 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7848 (Anchored Addresses): New section.
7849 * doc/invoke.texi (-fsection-anchors): Document.
7850 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7851 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7852 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7853 * hooks.c (hook_bool_mode_rtx_false): New function.
7854 * hooks.h (hook_bool_mode_rtx_false): Declare.
7855 * gengtype.c (create_optional_field): New function.
7856 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7857 SYMBOL_REF_IN_BLOCK_P is true.
7858 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7859 (min_anchor_offset, max_anchor_offset): Likewise.
7860 (use_anchors_for_symbol_p): New hook.
7861 * toplev.c (compile_file): Call output_object_blocks.
7862 (target_supports_section_anchors_p): New function.
7863 (process_options): Check that -fsection-anchors is only used on
7864 targets that support it and when -funit-at-a-time is in effect.
7865 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7866 if the decl doesn't have one.
7867 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7868 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7869 of force_const_mem through use_anchored_address.
7870 (expand_expr_constant): New function.
7871 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7872 calling expand_expr for INDIRECT_REF.
7873 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7874 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7875 * expr.h (use_anchored_address): Declare.
7876 * loop-unroll.c: Don't declare rtx vectors here.
7877 * explow.c: Include output.h.
7878 (validize_mem): Call use_anchored_address.
7879 (use_anchored_address): New function.
7880 * common.opt (-fsection-anchors): New switch.
7881 * varasm.c (object_block_htab, anchor_labelno): New variables.
7882 (hash_section, object_block_entry_eq, object_block_entry_hash)
7883 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7884 (use_blocks_for_decl_p, change_symbol_section): New functions.
7885 (get_variable_section): New function, split out from assemble_variable.
7886 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7887 use_blocks_for_decl_p say so. Use change_symbol_section if the
7888 symbol has already been created.
7889 (assemble_variable_contents): New function, split out from...
7890 (assemble_variable): ...here. Don't output any code for
7891 block symbols; just pass them to place_block_symbol.
7892 Use get_variable_section and assemble_variable_contents.
7893 (get_constant_alignment, get_constant_section, get_constant_size): New
7894 functions, split from output_constant_def_contents.
7895 (build_constant_desc): Create a block symbol if use_object_blocks_p
7896 says so. Or into SYMBOL_REF_FLAGS.
7897 (assemble_constant_contents): New function, split from...
7898 (output_constant_def_contents): ...here. Don't output any code
7899 for block symbols; just pass them to place_section_symbol.
7900 Use get_constant_section and get_constant_alignment.
7901 (force_const_mem): Create a block symbol if use_object_blocks_p and
7902 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7903 (output_constant_pool_1): Add an explicit alignment argument.
7904 Don't switch sections here.
7905 (output_constant_pool): Adjust call to output_constant_pool_1.
7906 Switch sections here instead. Don't output anything for block symbols;
7907 just pass them to place_block_symbol.
7908 (init_varasm_once): Initialize object_block_htab.
7909 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7910 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7911 (place_block_symbol, get_section_anchor, output_object_block)
7912 (output_object_block_htab, output_object_blocks): New functions.
7913 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7914 (TARGET_ASM_OUT): Include it.
7915 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7916 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7917 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7918 (TARGET_INITIALIZER): Include them.
7919 * rtl.c (rtl_check_failed_block_symbol): New function.
7920 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7921 (block_symbol, object_block): New structures.
7922 (rtx_def): Add a block_symbol field to the union.
7923 (BLOCK_SYMBOL_CHECK): New macro.
7924 (rtl_check_failed_block_symbol): Declare.
7925 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7926 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7927 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7928 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7929 * output.h (output_section_symbols): Declare.
7930 (object_block): Name structure.
7931 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7932 (default_use_anchors_for_symbol_p): Declare.
7933 * Makefile.in (RTL_BASE_H): Add vec.h.
7934 (explow.o): Depend on output.h.
7935 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7936 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7937 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7938 (rs6000_use_blocks_for_constant_p): New function.
7940 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7942 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7944 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7947 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7950 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7952 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7956 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7959 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7960 instead of DECL_REGISTER.
7962 2006-02-18 Olivier Hainque <hainque@adacore.com>
7965 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7967 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7970 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7971 * opth-gen.awk: Handle Var and InverseMask together.
7972 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7973 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7974 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7975 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7977 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7978 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7979 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7980 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7981 LINUX_DYNAMIC_LINKER): Define.
7982 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7983 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7985 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7986 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7987 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7988 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7989 (TARGET_C99_FUNCTIONS): Don't define.
7990 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7991 GLIBC_DYNAMIC_LINKER.
7992 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7993 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7994 GLIBC_DYNAMIC_LINKER64): Define.
7995 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7996 LINUX_DYNAMIC_LINKER64.
7997 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7998 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7999 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8000 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8001 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8002 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8003 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8004 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8005 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8006 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8007 and LINUX_DYNAMIC_LINKER32.
8008 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8009 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8010 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8011 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8012 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8014 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8015 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8016 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8017 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8018 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8019 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8020 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8021 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8022 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8023 LINUX_DYNAMIC_LINKER): Define.
8024 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8025 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8026 GLIBC_DYNAMIC_LINKER64): Define.
8027 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8028 LINUX_DYNAMIC_LINKER64.
8029 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8030 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8031 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8032 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8033 LINUX_DYNAMIC_LINKER): Define.
8034 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8035 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8036 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8037 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8038 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8039 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8040 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8041 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8042 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8043 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8044 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8045 * doc/invoke.texi (-muclibc): Remove caveat about supported
8048 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8050 * doc/cpp.texi (__TIMESTAMP__): Document.
8052 2006-02-17 Roger Sayle <roger@eyesopen.com>
8055 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8056 C is one less than the width of X (and related transformations).
8057 * simplify-rtx.c (simplify_unary_operation_1): Transform
8058 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8059 depending on STORE_FLAG_VALUE, were C is one less then the
8062 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8064 Fix PR tree-optimization/26341
8065 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8066 about NAME_MEMORY_TAG's.
8068 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8071 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8072 with hardware float support, and software float support. Add fcpy
8073 alternative to hardware patterns. Add alternatives to copy between
8074 general and floating-point registers to the 32-bit pattern.
8075 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8076 secondary reload to load a QI or HI mode constant into a floating
8078 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8079 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8081 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8084 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8086 (load_macho_picbase_di): Likewise.
8088 2006-02-16 Jeff Law <law@redhat.com>
8090 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8091 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8092 (ssa_name_nonzero_p): Likewise.
8093 (get_value_range): Return NULL if VRP is not running.
8094 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8095 VRP routines do not discover a range.
8096 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8097 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8098 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8099 (tree_expr_nonnegative_p): Similarly.
8100 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8101 (restore_nonzero_vars_to_original_value): Remove.
8102 (unsafe_associative_fp_binop): Remove.
8103 (tree_ssa_dominator_optimize): Remove initialization and
8104 finalization of nonzero_vars and nonzero_vars_stack.
8105 (dom_opt_initialize_block): No longer push marker on
8107 (dom_opt_finalize_block): No longer call
8108 restore_nonzero_vars_to_original_value.
8109 (record_equivalences_from_phis): No longer look for
8110 nonzero PHI arguments.
8111 (cprop_into_successor_phis): No longer propagate nonzero
8112 property into PHI arguments. Lose unused argument. Caller
8114 (record_equivalences_from_stmt): No longer record nonzero
8115 values for SSA_NAMEs.
8116 (lookup_avail_expr): No longer use nonzero_vars.
8118 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8119 for sizetype when sizetype is unsigned.
8121 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8123 PR rtl-optimization/25603
8124 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8125 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8126 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8127 with new meaning of SETS.
8129 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8134 * config/linux.opt: New file.
8135 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8136 LINUX_DYNAMIC_LINKER): Define.
8137 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8138 * config.gcc (*-*-linux*): Define extra_options.
8139 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8140 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8141 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8142 GLIBC_DYNAMIC_LINKER.
8143 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8144 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8145 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8146 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8147 * doc/invoke.texi (GNU/Linux Options): New section.
8149 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8151 * config/sparc/sparc.md (setjmp): Rewrite.
8152 (setjmp_32): Delete.
8153 (setjmp_64): Likewise.
8155 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8157 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8160 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8162 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8165 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8167 PR rtl-optimization/26296
8168 * Makefile.in (loop-invariant.c): Add except.h dependency.
8169 * loop-invariant.c: Include except.h.
8170 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8172 2005-02-16 Paul Brook <paul@codesourcery.com>
8174 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8177 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8179 PR rtl-optimization/25636
8180 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8181 when deciding whether an insn is an initializing insn.
8183 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8185 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8186 (tree_code_size): Ditto.
8187 * tree.h (struct tree_memory_tag): Remove parent_var.
8188 (struct tree_struct_field_tag): New.
8191 (union tree_node): Add sft member.
8192 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8194 (create_sft): Add size and offset argument, set SFT_OFFSET and
8196 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8197 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8198 * tree-flow-inline.h (get_subvar_at): Update for
8199 SFT_OFFSET/SFT_SIZE.
8200 (var_can_have_subvars): Ditto.
8201 (overlap_subvar): Ditto.
8202 * print-tree.c (print_node): Print out interesting things for
8204 * tree-flow.h (struct subvar): Remove offset and size members.
8205 * tree-ssa-operands.c (get_expr_operands): Update for
8206 get_indirect_ref_operands changes.
8207 (get_indirect_ref_operands): Call add_virtual_operand instead of
8208 add_stmt_operand. Only recurse on base var if requested.
8209 (access_can_touch_variable): New function.
8210 (add_stmt_operand): Split virtual operand handling into ...
8211 (add_virtual_operand): Here. Add offset, size, and for_clobber
8212 arguments. Prune alias sets.
8213 (add_call_clobber_ops): Call add_virtual_operand.
8215 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8218 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8220 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8221 than TREE_CODE as index into omp_clause_num_ops array.
8223 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8225 PR rtl-optimization/26184
8226 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8228 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8229 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8230 must_precede, must_follow and tobe_scheduled.
8233 * opts.c (common_handle_option): Free new_option pointer.
8234 * df-core.c (df_analyze): Free postorder pointer.
8236 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8238 * Makefile.in: Fix the examples about the use of stamps
8240 2006-02-15 Michael Matz <matz@suse.de>
8244 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8245 influenced by maximum_field_alignment or DECL_PACKED.
8246 (update_alignment_for_field): Ditto.
8247 (place_field): Ditto.
8248 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8251 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8253 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8254 (debug_flow_info): Pass it.
8255 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8256 * bb-reorder.c (reorder_basic_blocks): Likewise.
8257 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8258 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8259 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8260 * gcse.c (gcse_main, bypass_jumps): Likewise.
8261 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8262 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8263 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8264 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8265 * rtl.h (dump_flow_info): Adjust prototype.
8266 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8267 * var-tracking.c (variable_tracking_main): Likewise.
8268 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8269 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8272 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8274 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8277 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8279 PR tree-optimization/26209
8280 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8281 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8283 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8285 2006-02-14 Roger Sayle <roger@eyesopen.com>
8288 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8289 (X,Y) and the corresponding symmetry related transformations.
8290 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8291 (X,Y) and its symmetry related transformations.
8293 2006-02-14 Roger Sayle <roger@eyesopen.com>
8295 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8298 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8300 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8302 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8305 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8306 support COMDAT group.
8307 * configure: Regenerate.
8309 2006-02-14 Roger Sayle <roger@eyesopen.com>
8314 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8316 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8318 Fix PR tree-optimization/26260
8320 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8322 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8323 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8324 * tree-ssa-structalias.c (create_variable_info_for): Use
8325 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8327 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8329 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8331 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8332 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8333 of the ending condition.
8334 * tree-ssa-loop-manip.c: Include params.h.
8335 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8336 tree_unroll_loop): New functions.
8337 * tree-pass.h (pass_loop_prefetch): Declare.
8338 * loop.c (rest_of_handle_loop_optimize): Test for
8339 -fprefetch-loop-arrays-rtl.
8340 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8341 * timevar.def (TV_TREE_PREFETCH): New timevar.
8342 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8343 pass_loop_prefetch): New.
8344 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8345 (cleanup_tree_cfg_loop): Call scev_reset.
8346 * common.opt (fprefetch-loop-arrays-rtl): Add.
8347 * tree-ssa-loop-prefetch.c: New file.
8348 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8349 (new_temp_expr_table): Initialize expr_vars.
8350 (free_temp_expr_table): Cleanup expr_vars.
8351 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8352 expressions from being merged into one.
8353 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8354 (struct tree_niter_desc): Add control, bound and cmp fields.
8355 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8357 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8358 (tree-cfgcleanup.o): Add SCEV_H dependency.
8359 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8360 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8362 2006-02-14 Richard Guenther <rguenther@suse.de>
8364 PR tree-optimization/26258
8365 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8366 in PHI argument processing.
8368 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8370 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8371 new expression in the requested machine mode.
8373 2006-02-13 Roger Sayle <roger@eyesopen.com>
8375 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8376 directly, instead let do_compare_rtx_and_jump handle this for us.
8377 * expr.c (expand_expr_real_1): Likewise.
8378 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8379 before do_jump_by_parts_greater.
8380 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8381 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8383 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8385 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8387 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8389 PR rtl-optimization/26235
8390 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8391 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8394 2006-02-13 Jeff Law <law@redhat.com>
8396 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8399 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8402 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8403 twice if decl is a builtin. When trying again, call get_callee_fndecl
8404 first to verify it is still a builtin.
8406 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8408 * dwarf2out.c (base_type_die): Don't add AT_name here.
8409 (subrange_type_die): Don't add AT_name here.
8410 (modified_type_die): Rearrange code flow. Do add AT_name here.
8412 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8414 PR rtl-optimization/26247
8415 PR rtl-optimization/26248
8416 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8418 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8420 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8421 * config/fixtfdi.c: Likewise.
8422 * config/fixunstfdi.c: Likewise.
8423 * config/floatditf.c: Likewise.
8425 2006-02-13 Roger Sayle <roger@eyesopen.com>
8428 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8429 into (X,C2) if C1 is a subset of the bits of C2. Transform
8430 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8432 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8434 2006-02-13 Josh Conner <jconner@apple.com>
8437 * varasm.c (function_section): Check for section name before
8438 calling select_section on targets that define
8439 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8440 unlikely_text_section instead of hot_function_section if
8441 first_function_block_is_cold.
8443 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8446 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8448 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8450 PR rtl-optimization/26222
8451 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8452 after tree->rtl expansion.
8453 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8454 before passing it to emit_move_insn.
8456 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8458 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8460 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8461 Clarify documentation.
8462 * c-common.h (warn_write_strings): Remove.
8463 * c-common.c (warn_write_strings): Likewise.
8464 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8467 2006-02-12 Roger Sayle <roger@eyesopen.com>
8470 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8471 (do_jump_parts_zero_rtx): New function renamed from
8472 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8473 (do_jump_parts_equality_rtx): New function split out from
8474 do_jump_parts_equality. Old implementation renamed as above.
8475 Call do_jump_parts_zero_rtx if either operand is zero.
8476 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8477 do all of the heavy lifting.
8478 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8479 calling either do_jump_by_parts_greater_rtx or
8480 do_jump_by_parts_equality_rtx.
8481 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8482 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8483 moved to do_compare_rtx_and_jump, call it directly.
8484 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8485 mode argument. Call do_compare_rtx_and_jump.
8486 (emit_case_nodes): Update calls to do_jump_if_equal.
8488 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8490 PR rtl-optimization/26225
8491 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8493 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8495 PR rtl-optimization/26232
8496 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8498 2006-02-11 Jason Merrill <jason@redhat.com>
8501 * tree-inline.c (declare_return_variable): Just don't use the
8502 modify target if it's a gimple complex reg and the return slot
8505 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8507 * doc/contrib.texi: Update my entry.
8509 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8511 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8513 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8515 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8518 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8520 * doc/invoke.texi (-floop-optimize2): Removed.
8521 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8522 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8523 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8524 * common.opt (floop-optimize2): Removed.
8525 (fmove-loop-invariants): Enabled by default.
8527 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8529 * tree-if-conv.c (combine_blocks): Free the result of
8530 get_loop_exit_edges.
8532 2006-02-10 Jeff Law <law@redhat.com>
8534 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8536 PR tree-optimization/26213
8537 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8538 loop trying to follow SSA_NAME_VALUE chains.
8540 2006-02-10 Richard Guenther <rguenther@suse.de>
8542 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8543 deal with structures that end in implicitly variable sized arrays.
8545 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8547 PR rtl-optimization/24762
8548 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8551 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8553 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8554 (struct ivopts_data): Add regs_used field.
8555 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8556 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8557 instead of loop_data->regs_used;
8558 (free_loop_data): Do not free aux fields for loops.
8559 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8560 and tree_ssa_iv_optimize_finalize.
8562 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8564 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8566 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8569 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8570 computing the effective result type.
8572 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8575 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8576 (tree_overlaps_hard_reg_set): Declare.
8577 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8578 type and signature to match function type expected by walk_tree.
8579 (tree_overlaps_hard_reg_set): New function.
8580 (decl_conflicts_with_clobbers_p): Rename to:
8581 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8582 Use tree_overlaps_hard_reg_set. Changed caller.
8583 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8584 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8585 * cris.c (cris_md_asm_clobbers): Likewise.
8587 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8589 * reload1.c (emit_input_reload_insns): Delete code that tries to
8590 inherit using find_equiv_reg.
8592 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8594 * c-common.h (flag_const_strings): Don't declare.
8595 * c-common.c (flag_const_strings): Remove.
8596 * c.opt (fconst_strings): Remove.
8597 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8598 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8599 (c_common_init_options): Don't set flag_const_strings.
8600 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8602 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8604 * arm.md (tlobits_cbranch): New pattern.
8605 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8606 testing a single bit.
8608 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8611 * tree-ssa-pre.c (create_component_ref_by_pieces):
8612 Handle RETURN_DECL like VAR_DECL.
8614 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8617 * fold-const.c (fold_indirect_ref_1): Fold
8618 "*(foo *)&complexfoo" to "__real__ complexfoo"
8619 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8621 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8623 * tree-flow-inline.h (var_can_have_subvars):
8624 Volatile variables should not have subvariables.
8626 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8629 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8630 multiplying unsigned values.
8633 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8635 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8637 2006-02-08 Jason Merrill <jason@redhat.com>
8640 * tree.def: Elaborate on difference from MODIFY_EXPR.
8641 * doc/c-tree.texi (INIT_EXPR): Likewise.
8642 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8643 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8644 (gimplify_target_expr): Likewise.
8645 (gimplify_cond_expr): Remove target handling.
8646 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8647 (gimplify_expr): Clobber it here.
8648 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8649 Do return slot optimization if we have an INIT_EXPR.
8652 * tree-inline.c (declare_return_variable): Also clear
8653 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8656 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8659 * gimplify.c (gimplify_one_sizepos): Fix typo.
8661 2006-02-08 Jeff Law <law@redhat.com>
8663 PR tree-optimization/21417
8664 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8665 across a backedge if the control statement at the end of the
8666 block is data dependent on other statements in the same block.
8667 (record_temporary_equivalences_from_stmts): Remove over-conservative
8668 test for threading across backedges.
8670 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8671 control statement, handle all three special cases in the same
8672 manner as they all have the same desired solution. No longer
8673 special case edge flag updating when the post dominator is
8676 2006-02-08 Roger Sayle <roger@eyesopen.com>
8678 * tree.def (CHAR_TYPE): Remove.
8679 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8680 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8681 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8682 (gen_string_type_die): Delete unreachable function.
8684 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8685 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8686 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8687 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8688 * builtins.c (type_to_class): Likewise.
8689 * fold-const.c (fold_convert, build_range_check,
8690 merge_ranges): Likewise.
8691 * expr.c (count_type_elements): Likewise.
8692 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8693 * stor-layout.c (layout_type): Likewise.
8694 * ipa-type-escape.c (type_to_consider): Likewise.
8695 * gimplify.c (omp_firstprivatize_type_sizes,
8696 gimplify_type_sizes): Likewise.
8697 * explow.c (promote_mode): Likewise.
8698 * tree-sra.c (is_sra_scalar_type): Likewise.
8699 * varasm.c (output_constant): Likewise.
8700 * tree-inline.c (remap_type_1): Likewise.
8701 * convert.c (convert_to_pointer, convert_to_real,
8702 convert_to_integer, convert_to_complex): Likewise.
8704 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8706 * df-scan.c (df_def_record_1): A set destination may
8707 be a parallel regardless of mode.
8709 2006-02-08 Roger Sayle <roger@eyesopen.com>
8712 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8713 * config/mips/_tilib.c: Remove.
8714 * config/fixtfdi.c: New libgcc source file.
8715 * config/fixunstfdi.c: New source file.
8716 * config/floatditf.c: New source file.
8717 * config/floatunditf.c: New souce file.
8718 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8719 files above instead of config/mips/_tilib.c.
8720 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8722 2006-02-08 Jeff Law <law@redhat.com>
8724 PR tree-optimization/26169
8725 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8728 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8730 * df.h (DF_REG_SIZE): Return the length of the initialized
8733 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8735 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8736 __muldf3): Return a correctly signed zero.
8738 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8740 * passes.c (register_one_dump_file): Accept the current properties
8741 instead of pass number. Adjust call to dump_register. Remove
8743 (register_dump_files): Now a wrapper around...
8744 (register_dump_files_1): ... this one. Do not modify the pass
8746 (next_pass_1): Cosmetic fix.
8747 (execute_todo): Keep second parameter only. Use curr_properties
8748 instead of fetching it from the pass structure. Check and set
8750 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8751 instead of fetching it from the pass structure. Fix calls to
8752 execute_todo. Update curr_properties and initialize .vcg RTL dump
8753 after running the pass. Reset last_verified.
8754 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8756 (FIRST_AUTO_NUMBERED_DUMP): New.
8757 (dump_register): Remove "num" parameter, assign it within the
8759 (get_dump_file_name): Modify template for dumps.
8760 * tree-dump.h (dump_register): Adjust prototype.
8761 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8762 (PROP_trees): Add PROP_gimple_lomp.
8763 (TODO_set_props): New.
8764 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8765 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8766 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8768 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8770 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8771 (sparc64-*-linux*): Likewise.
8772 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8773 * config/sparc/t-linux: New file.
8774 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8775 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8776 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8777 -m32 -mlong-double-128.
8779 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8780 * config/alpha/t-linux: New file.
8781 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8783 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8784 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8785 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8786 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8787 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8788 (CPP_ARCH32_SPEC): Remove.
8790 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8792 PR tree-optimization/26145
8793 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8796 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8799 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8800 >= 240000 when generating code for SOM runtime.
8801 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8802 to $$dyncall when generating code for SOM runtime..
8804 2006-02-07 Dirk Mueller <dmueller@suse.com>
8807 * doc/invoke.texi (-Wsequence-point): Update documentation
8808 that -Wsequence-point is implemented for C++ as well.
8810 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8812 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8813 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8814 (LIB_SPEC): Likewise.
8815 * doc/invoke.texi (SPARC options): Document -pthread.
8817 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8819 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8822 2006-02-07 Roger Sayle <roger@eyesopen.com>
8824 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8825 Correct comment describing BOOLEAN_TYPE.
8827 2006-02-07 Dirk Mueller <dmueller@suse.com>
8829 * c.opt: C++ frontend supports -Wdiv-by-zero.
8830 * c-opts.c (c_common_handle_option): Remove dead case.
8832 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8834 * configure.ac (TLS assembler check): Do not enable TLS by
8835 default on SPARC/Solaris before version 10.
8836 * configure: Regenerate.
8838 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8840 * doc/invoke.texi (xl-compat): Document conversion and support
8843 2006-02-07 Jeff Law <law@redhat.com>
8845 * tree-vrp.c (find_conditional_asserts): Update comments.
8846 (simplify_stmt_for_jump_threading): New.
8847 (identify_jump_threads, finalize_jump_threads): New.
8848 (vrp_finalize): Call identify_jump_threads.
8849 (execute_vrp): Call finalize_jump_threads.
8850 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8851 (vrp_element, vrp_data, vrp_element_p): Remove.
8852 (vrp_hash_elt, vrp_variables_stack): Remove.
8853 (vrp_hash, vrp_eq, record_range): Remove.
8854 (simplify_cond_and_lookup_avail_expr): Remove.
8855 (extract_range_from_cond): Remove.
8856 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8857 (simplify_stmt_for_jump_threading): New.
8858 (dom_thread_across_edge): New wrapper.
8859 (tree_ssa_dominator_optimize): No longer initialize or
8860 finalize any of the VRP datastructures. Remove iteration
8861 step and simplify as a result of removal of iteration step.
8862 (pass_dominator): Perform a cfg cleanup after DOM.
8863 (dom_opt_finalize_block): Use the new common routines
8864 for threading jumps. Simplify stack management slightly.
8865 No longer need to unwind VRP state.
8866 (record_equivalences_from_incoming_edge): No longer record
8868 (eliminate_redundant_computations): No longer call
8869 simplify_cond_and_lookup_avail_expr.
8870 * tree-flow.h (potentially_threadable_block): Prototype.
8871 (thread_across_edge): Likewise.
8872 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8873 (tree-ssa-threadedge.o): Add dependencies.
8874 * tree-ssa-threadedge.c: New file.
8875 * passes.c (init_optimization_passes): Merge PHIs before
8876 calling VRP. Run VRP again late in the SSA optimization pipeline.
8878 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8880 * df-core.c (df_set_blocks): Do not dereference function pointers.
8881 (df_finish1): Likewise.
8882 (df_hybrid_search_forward): Likewise.
8883 (df_hybrid_search_backward): Likewise.
8884 (df_iterative_dataflow): Likewise.
8885 (df_analyze_problem): Likewise.
8886 (df_compact_blocks): Likewise.
8887 (df_dump): Likewise.
8888 * df-scan.c (df_rescan_blocks): Likewise.
8889 (df_record_entry_block_defs): Likewise.
8891 * genconditions.c (write_conditions): Guard the definition of
8892 'insn_conditions' with the check on GCC version.
8893 (write_writer): Guard the traversal 'insn_conditions' with
8894 the check on GCC version.
8896 2006-02-07 Richard Guenther <rguenther@suse.de>
8900 2006-01-30 Richard Guenther <rguenther@suse.de>
8902 * gimplify.c (gimplify_target_expr): Handle easy cases
8903 without creating a temporary.
8905 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8907 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8908 use of float in probability computations. Use edge probabilities
8909 in place of statically computed probabilities.
8910 (min_spec_prob): New static variable.
8911 (schedule_insns): Initialize it.
8912 (GET_SRC_PROB): Removed.
8913 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8915 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8918 * config/ia64/unwind-ia64.c: Revert last change.
8919 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8920 (INCOMING_FRAME_SP_OFFSET): Define.
8922 2006-02-06 Roger Sayle <roger@eyesopen.com>
8924 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8926 2006-02-07 Ben Elliston <bje@au.ibm.com>
8928 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8929 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8930 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8931 (ix86_return_in_memory): Handle TDmode.
8932 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8933 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8935 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8937 * reorg.c (dbr_schedule): Use dump_file instead of file.
8939 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8942 * config/ia64/predicates.md (extr_len_operand): New predicate.
8943 * config/ia64/ia64.md (extv): Tighten constraints.
8945 (*tbit_and_2): Ditto.
8946 (*tbit_and_3): Ditto.
8947 (*tbit_or_2): Ditto.
8948 (*tbit_or_3): Ditto.
8952 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8955 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8957 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8959 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8960 loop_optimizer_init and loop_optimizer_finalize
8961 * tree-ssa-sink.c (execute_sink_code): Ditto.
8962 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8963 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8964 tree_ssa_loop_done): Ditto.
8965 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8966 * sched-ebb.c: Include output.h.
8967 (schedule_ebbs): Do not use dump argument.
8968 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8969 * loop.c (loop_dump_stream): Removed.
8970 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8972 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8973 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8974 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8975 loop_iterations, strength_reduce, record_biv, record_giv,
8976 final_giv_value, check_final_value, check_ext_dependent_givs,
8977 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8978 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8979 dump_file instead of loop_dump_stream.
8980 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8982 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8984 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8985 * haifa-sched.c: Include output.h
8986 (schedule_insns, sched_init): Do not use dump argument.
8987 * mode-switching.c (optimize_mode_switching): Ditto.
8988 * modulo-sched.c (stats_file): Removed.
8989 (print_node_sched_params): Do not call argument dump_file.
8990 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8991 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8993 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8995 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8996 rtl_loop_init, rtl_loop_done): Ditto.
8997 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8998 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9000 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9001 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9002 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9003 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9004 * emit-rtl.c (renumber_insns): Ditto.
9005 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9006 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9007 * regclass.c (regclass): Ditto.
9008 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9009 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9010 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9011 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9013 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9014 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9016 * gcse.c (gcse_file, debug_stderr): Removed.
9017 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9018 rest_of_handle_gcse): Do not use dump argument.
9019 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9020 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9021 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9022 compute_code_hoist_vbeinout, compute_code_hoist_data,
9023 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9024 compute_store_table, build_store_vectors, insert_insn_start_bb,
9025 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9026 store_motion): Use dump_file instead of gcse_file.
9027 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9028 * profile.c (profile_dump_file): Removed.
9029 (branch_prob): Use dump_file instead of profile_dump_file.
9030 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9032 * tree-ssa-copy.c (dump_copy_of): Ditto.
9033 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9034 dump file to life_analysis.
9035 * bt-load.c (branch_target_load_optimize): Ditto.
9036 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9038 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9039 regclass, dbr_schedule): Declaration changed.
9040 * sched-int.h (sched_init): Declaration changed.
9041 * tree-profile.c (tree_profile_dump_file): Removed.
9042 (tree_profile_hooks): Removed profile_dump_file hook.
9043 * rtl-profile (rtl_profile_dump_file): Removed.
9044 (rtl_profile_hooks): emoved profile_dump_file hook.
9045 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9047 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9048 * tree-cfg.c (build_tree_cfg): Ditto.
9049 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9050 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9051 Declaration changed.
9052 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9053 life_analysis and schedule_insns.
9054 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9056 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9058 * config/mips/mips.c (mips_reorg): Ditto.
9059 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9062 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9064 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9065 (s390_mangle_fundamental_type): New.
9066 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9069 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9070 (alpha_mangle_fundamental_type): New.
9071 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9074 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9076 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9078 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9079 (sparc_mangle_fundamental_type): New.
9081 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9083 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9084 (s390x-*-linux*): Likewise.
9085 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9086 * config/s390/t-linux: New file.
9088 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9090 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9091 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9093 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9095 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9096 (ANTIC_SAFE_LOADS): New macro.
9097 (find_or_generate_expression): Add prototype.
9098 (set_contains_value): Allow null set for sake of not always having
9099 to allocate ANTIC_SAFE_LOADS.
9100 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9101 Allow COMPONENT_REF too.
9102 (valid_in_set): Allow COMPONENT_REF.
9103 Check ANTIC_SAFE_LOADS too.
9104 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9105 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9107 (can_PRE_operation): Add COMPONENT_REF.
9108 (create_component_ref_by_pieces): New function.
9109 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9110 (insert_aux): Move AGGREGATE_TYPE_P check here.
9111 (compute_avail): Set bb local stmt uids.
9112 (pass_pre): Use TODO_update_ssa_only_virtuals.
9114 2006-02-06 Ben Elliston <bje@au.ibm.com>
9116 * configure.ac: Unconditionally disable decimal float by default.
9117 * configure: Regenerate.
9119 2006-02-06 Ben Elliston <bje@au.ibm.com>
9121 * read-rtl.c (read_name): Terminate reading on EOF.
9123 2006-02-06 Ben Elliston <bje@au.ibm.com>
9125 * dfp.c (decimal_real_arithmetic): Change second argument type
9126 from int to enum tree_code. Do not always return true, but now
9127 return result of any call to decimal_do helper functions.
9128 * dfp.h (decimal_real_arithmetic): Update prototype.
9130 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9132 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9134 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9137 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9140 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9142 * tree-vrp.c (cfg_loops): Removed.
9143 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9144 Use current_loops instead of cfg_loops. Pass flags to
9145 loop_optimizer_init.
9146 * cfgloopmanip.c (fix_loop_structure): Update only available
9148 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9149 loop_optimizer_init.
9150 * modulo-sched.c (build_loops_structure): Removed.
9151 (sms_schedule): Use loop_optimizer_init.
9152 * loop-init.c (loop_optimizer_init): Use flags to determine
9153 which properties of loops to prepare.
9154 (rtl_loop_init): Pass flags to loop_optimizer_init.
9155 * tree-ssa-sink.c (execute_sink_code): Ditto.
9156 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9157 * tree-ssa-pre.c (init_pre): Ditto.
9158 * cfgloop.h (LOOPS_NORMAL): New.
9159 (loop_optimizer_init): Declaration changed.
9161 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9163 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9164 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9166 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9168 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9170 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9171 * pa/t-pa64: Delete quadlib.c rule.
9172 * pa/x-ada: Revert last change.
9173 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9175 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9177 PR rtl-optimization/26087
9178 * rtlanal.c (canonicalize_condition): Do not cross basic block
9181 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9184 * config/ia64/ia64.c: Include debug.h.
9185 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9186 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9187 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9188 (process_epilogue, process_set, process_for_unwind_directive):
9189 Output unwind info only if requested. Add CFA info if requested.
9190 Add new arguments as needed. Adjust callers.
9191 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9193 (DWARF2_FRAME_INFO): Define to zero.
9194 * config/ia64/unwind-ia64.c: Remove code that compensated for
9195 the CFA offset error fixed above.
9196 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9197 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9198 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9199 -funwind-tables and -fexceptions to enable frame info.
9200 (dwarf2out_frame_init): Define initial CFA even if
9201 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9202 DWARF2_UNWIND_INFO is nonzero, not just defined.
9203 (dwarf2out_frame_finish): Output non-EH call frame info only
9204 if DWARF2_FRAME_INFO is nonzero.
9205 (convert_cfa_to_loc_list,
9206 compute_frame_pointer_to_cfa_displacement): Define even if
9207 unwind info is not supported.
9208 (gen_subprogram_die): Use the above unconditionally. Remove
9209 legacy alternate code.
9210 * toplev.c (compile_file): Compile in call to
9211 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9212 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9214 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9215 Jakub Jelinek <jakub@redhat.com>
9217 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9218 IBM extended float format long double as "g" on powerpc*-linux.
9220 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9223 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9224 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9226 2006-02-03 Jason Merrill <jason@redhat.com>
9229 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9232 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9233 on the return slot if it's an NRV.
9235 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9237 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9238 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9239 rewrite_use): Do not handle USE_OUTER.
9240 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9241 add_iv_outer_candidates, may_replace_final_value,
9242 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9243 (find_interesting_uses_op): Functionality of
9244 find_interesting_uses_outer_or_nonlin moved here.
9245 (find_interesting_uses_outside): Use find_interesting_uses_op.
9247 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9250 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9252 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9253 Ulrich Weigand <uweigand@de.ibm.com>
9256 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9257 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9258 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9259 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9261 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9262 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9263 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9264 Define secondary reloads for TFmode moves.
9265 (constant_modes): Add TFmode.
9266 (NR_C_MODES): Set to 8.
9267 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9269 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9270 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9271 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9272 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9273 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9274 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9275 (FPR mode macro): Add TFmode.
9276 (DSF mode macro): New.
9277 (<de>, <dee> mode attributes): Removed.
9278 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9279 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9280 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9281 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9282 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9283 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9284 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9285 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9286 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9287 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9288 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9289 "*negabs<mode>2", "sqrt<mode>2"):
9290 Changed <de> to <xde>. R constraint replaced by <Rf>.
9291 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9293 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9294 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9295 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9297 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9298 "extenddftf2", "extendsftf2"): New expanders.
9299 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9300 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9301 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9302 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9304 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9305 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9306 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9307 __floatditf): Add a GCC_4.1.0 symbol version tag.
9308 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9311 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9314 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9315 Use targetm.binds_local_p instead of TREE_PUBLIC.
9317 2006-02-02 Roger Sayle <roger@eyesopen.com>
9319 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9320 on INTEGER_TYPEs to indicate that it denotes a character type.
9321 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9322 signed_char_type_node, unsigned_char_type_node and char_type_node.
9323 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9324 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9325 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9327 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9328 Daniel Berlin <dberlin@dberlin.org>
9330 * tree-tailcall.c (arg_needs_copy_p): New function.
9331 (eliminate_tail_call): Use arg_needs_copy_p.
9332 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9333 (add_virtual_phis): New function.
9335 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9337 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9338 #ignore instead of #scratch for %g7 .register directive.
9340 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9342 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9345 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9347 * flow.c (calculate_global_regs_live): Assert that there aren't any
9350 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9352 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9354 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9355 bsi_after_labels iterator.
9356 * tree-if-conv.c (find_phi_replacement_condition,
9357 replace_phi_with_cond_modify_expr): Likewise.
9358 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9359 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9361 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9363 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9365 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9368 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9369 array after growing it.
9371 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9374 * fold-const.c (fold_checksum_tree): Change type of buf.
9376 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9378 * reload.c (push_secondary_reload): Initialize t_icode.
9380 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9382 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9383 -msoft-float -mlong-double-128 only issue a warning, but don't
9384 swich to DFmode long double.
9386 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9388 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9389 has a constant equivalent, iterate over equivalents for arg0,
9390 calling simplify_relational_operation and if there's a result
9391 cheaper than X, apply fold_rtx and return the result.
9393 2006-02-01 Jan Hubicka <jh@suse.cz>
9395 * opts.c (no_unit_at_a_time_default): New global variable.
9396 (decode_options): Use it.
9397 * opts.h (no_unit_at_a_time_default): Declare.
9399 2006-02-01 Paul Brook <paul@codesourcery.com>
9401 * function.c (assign_parm_setup_reg): Use function argument promotion
9403 * expr.c (expand_expr_real_1): Use function argument promotion rules
9406 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9408 * gcc.c (process_command): Change j to 'unsigned int'.
9410 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9413 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9414 Use the corrected index for the character
9415 out of the string constant.
9417 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9419 * mode-switching.c (optimize_mode_switching): Fix size
9420 allocated for bb_info[n_entities].
9422 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9424 * gcc.c (main): Correct type that is allocated for
9425 explicit_link_files.
9427 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9429 * config/s390/s390.c (init_alignment_context): Set
9430 ALIAS_SET_MEMORY_BARRIER on the MEM.
9431 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9433 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9436 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9438 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9441 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9443 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9444 * regrename.c: Ditto.
9445 * tree-ssa-loop-im.c: Ditto.
9446 * tree-dump.c: Ditto.
9447 * tree-complex.c: Ditto.
9448 * genrecog.c: Ditto.
9449 * tree-ssa-threadupdate.c: Ditto.
9451 * java/class.c: Ditto.
9452 * java/jcf-parse.c: Ditto.
9453 * java/resource.c: Ditto.
9454 * java/except.c: Ditto.
9455 * java/jvspec.c: Ditto.
9456 * java/jcf-write.c: Ditto.
9457 * java/jcf-path.c: Ditto.
9458 * java/gjavah.c: Ditto.
9459 * java/zextract.c: Ditto.
9460 * java/jcf-io.c: Ditto.
9461 * java/jcf.h: Ditto.
9462 * java/buffer.c: Ditto.
9463 * java/lang.c: Ditto.
9464 * java/parse-scan.y: Ditto.
9465 * java/lex.c: Ditto.
9466 * java/lex.h: Ditto.
9467 * cfgloopmanip.c: Ditto.
9468 * postreload-gcse.c: Ditto.
9469 * tree-ssa-loop-manip.c: Ditto.
9470 * postreload.c: Ditto.
9471 * tree-ssa-loop-ch.c: Ditto.
9475 * diagnostic.c: Ditto.
9477 * genoutput.c: Ditto.
9479 * cfghooks.c: Ditto.
9480 * cfgloopanal.c: Ditto.
9481 * objc/objc-act.c: Ditto.
9483 * genextract.c: Ditto.
9484 * genautomata.c: Ditto.
9485 * pretty-print.c: Ditto.
9487 * cgraphunit.c: Ditto.
9490 * haifa-sched.c: Ditto.
9491 * dominance.c: Ditto.
9493 * tree-ssa-loop-ivopts.c: Ditto.
9495 * mode-switching.c: Ditto.
9496 * modulo-sched.c: Ditto.
9498 * ipa-pure-const.c: Ditto.
9500 * fix-header.c: Ditto.
9502 * tree-stdarg.c: Ditto.
9503 * ipa-utils.c: Ditto.
9504 * loop-init.c: Ditto.
9505 * ipa-inline.c: Ditto.
9508 * alloc-pool.c: Ditto.
9509 * dwarf2out.c: Ditto.
9511 * genattrtab.c: Ditto.
9512 * tree-ssa-loop-ivcanon.c: Ditto.
9516 * fortran/gfortranspec.c: Ditto.
9518 * local-alloc.c: Ditto.
9519 * langhooks.c: Ditto.
9520 * function.c: Ditto.
9521 * tree-vectorizer.c: Ditto.
9523 * ipa-type-escape.c: Ditto.
9525 * tree-if-conv.c: Ditto.
9528 * tree-data-ref.c: Ditto.
9529 * loop-unroll.c: Ditto.
9530 * treelang/treetree.c: Ditto.
9533 * ggc-common.c: Ditto.
9535 * coverage.c: Ditto.
9537 * tree-cfgcleanup.c: Ditto.
9538 * tree-ssa-pre.c: Ditto.
9539 * cfgcleanup.c: Ditto.
9540 * loop-invariant.c: Ditto.
9542 * ipa-prop.c: Ditto.
9543 * print-tree.c: Ditto.
9544 * conflict.c: Ditto.
9545 * ggc-page.c: Ditto.
9546 * sched-deps.c: Ditto.
9547 * regclass.c: Ditto.
9548 * tree-object-size.c: Ditto.
9550 * bb-reorder.c: Ditto.
9551 * resource.c: Ditto.
9552 * var-tracking.c: Ditto.
9554 * df-problems.c: Ditto.
9555 * reg-stack.c: Ditto.
9558 * sched-rgn.c: Ditto.
9559 * tree-ssa-structalias.c: Ditto.
9560 * tree-ssa-reassoc.c: Ditto.
9561 * config/darwin-c.c: Ditto.
9562 * config/darwin.c: Ditto.
9563 * config/arm/arm.c: Ditto.
9565 * collect2.c: Ditto.
9568 2006-01-31 Nicolas Pitre <nico@cam.org>
9570 * arm.md (smaxsi3): Make aware of smax_m1.
9573 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9575 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9577 2006-01-31 Richard Guenther <rguenther@suse.de>
9579 * doc/invoke.texi (-msselibm): Document.
9580 * target.h (expand_library_builtin): New target hook.
9581 * builtins.c (expand_builtin): Use expand_library_builtin.
9582 (default_expand_library_builtin): New function.
9583 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9584 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9585 (link_gcc_math_spec): Declare.
9586 (static_specs): Add link_gcc_math_spec.
9587 * expr.h (default_expand_library_builtin): Declare.
9588 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9589 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9590 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9591 * config/i386/i386.opt (msselibm): New target option.
9592 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9593 (ix86_init_sse_abi_builtins): New function.
9594 (ix86_expand_library_builtin): Likewise.
9595 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9596 (override_options): Handle error conditions wrt -msselibm.
9597 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9598 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9599 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9602 2006-01-31 Richard Guenther <rguenther@suse.de>
9603 Paolo Bonzini <bonzini@gnu.org>
9605 * doc/install.texi (--disable-libgcc-math): Document.
9607 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9609 * expr.h (expand_normal): new inline function.
9610 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9612 * dwarf2out.c: use it.
9617 * config/sparc/sparc.c: use it.
9618 * config/i386/i386.c: use it.
9619 * config/rs6000/rs6000.c: use it.
9620 * config/arm/arm.c: use it.
9621 * config/mips/mips.c: use it.
9622 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9624 2006-01-30 Roger Sayle <roger@eyesopen.com>
9626 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9627 argv to the appropriate type.
9629 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9631 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9634 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9637 * config/s390/s390.c (struct machine_function): New flag
9638 decomposed_literal_pool_addresses_ok_p.
9639 (s390_reorg): Set it before final stage of literal pool transforms.
9640 (s390_decompose_address): Only accept displacements of the form
9641 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9643 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9645 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9646 the comparison routine return.
9648 2006-01-30 Michael Matz <matz@suse.de>
9650 * global.c (find_reg): Only evict for global regs.
9651 Take n_refs into account and dump more info.
9653 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9656 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9657 (pragma_trap, pragma_nosave_low_regs): Likewise.
9658 (current_function_anonymous_args): Likewise.
9659 (sh_deferred_function_attributes): New variable.
9660 (sh_deferred_function_attributes_tail): Likewise.
9661 (print_operand): For '@', look up trap_exit attribute.
9662 (calc_live_regs): Look up trapa_handler attribute. For trapa
9663 handlers, save/restore fpscr, but don't do any other
9664 interrupt-specific saves.
9665 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9666 Fix check for partially saved registers to check for SHmedia.
9667 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9668 (sh_output_function_epilogue): Don't clear any of the removed
9670 (sh_insert_attributes): Don't check pragma_interrupt.
9671 Insert deferred attributes. Check that interrupt attribute is
9672 present for other attributes that require its presence.
9673 (sh_attribute_table): Add new attributes trapa_handler and
9675 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9676 Don't check for pragma_interrupt. Don't store argument.
9677 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9678 (sh_deferred_function_attributes): Declare.
9679 (sh_deferred_function_attributes_tail): Likewise.
9680 * sh.md (sp_switch_1): Add operand. Change generator caller.
9681 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9682 (*return_i): Don't use when trap_exit attribute is in effect.
9683 (*return_trapa): New insn pattern.
9685 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9686 setting c_target_objs and cxx_target_objs.
9687 * t-sh: Add rule for sh-c.o.
9689 2006-01-30 Richard Guenther <rguenther@suse.de>
9692 * gimplify.c (gimplify_target_expr): Handle easy cases
9693 without creating a temporary.
9695 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9697 * vec.h (safe_grow): Remove duplicated line.
9699 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9702 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9703 (expand_omp): ... here.
9704 (expand_omp_parallel): Only remove barriers for combined
9705 parallel+workshare constructs.
9707 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9711 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9712 * tree.c (build_qualified_type): Chain the new type to the original
9713 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9714 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9715 (build_pointer_type_for_mode): Only return unqualified types.
9716 (build_reference_type_for_mode): Likewise.
9718 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9720 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9721 * Makefile.in (CXX_COMPAT_WARN): Define.
9722 * configure: Regenerate.
9724 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9727 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9730 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9732 * toplev.c: Fix thinko.
9734 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9735 Marcin Dalecki <martin@dalecki.de>
9737 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9738 (push_srcloc): Use XNEW.
9739 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9741 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9743 * df-core.c (df_set_blocks): Deleted all variable.
9745 2006-01-28 Ian Lance Taylor <ian@airs.com>
9747 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9748 cgraph_output_pending_asms.
9750 2006-01-28 Zack Weinberg <zackw@panix.com>
9752 * c.opt: Add -W(no-)overlength-strings.
9753 * doc/invoke.texi: Document it.
9754 * c-opts.c (c_common_handle_option): -pedantic implies
9755 -Woverlength-strings, if not explicitly disabled already.
9756 (c_common_post_options): -Woverlength-strings defaults to off, and
9757 is always off for C++.
9758 * c-common.c (fix_string_type): Issue warning about strings longer
9759 than is portable only if warn_overlength_strings. Rearrange code
9760 a little for clarity.
9761 * configure.in: Check for -Wno-overlength-strings as well before
9762 enabling -pedantic in stage 1.
9763 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9764 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9766 * genconditions.c (write_header, write_one_condition)
9767 (write_conditions, write_writer): Consolidate very long strings
9768 that were broken up to fit in C89 portable limit. Don't use
9769 printf when fputs will do.
9771 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9773 * combine.c (simplify_comparison <AND>): Check
9774 TRULY_NOOP_TRUNCATION before start using a subreg.
9776 * config/mips/mips.md (*branch_zero<mode>,
9777 *branch_zero<mode>_inverted, *branch_equality<mode>,
9778 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9779 Remove mode check from comparisons.
9781 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9783 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9785 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9787 * expmed.c (const_mult_add_overflow_p): Remove.
9788 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9790 * recog.c (validate_replace_rtx_subexp): Remove.
9791 * recog.h: Remove the prototype for
9792 validate_replace_rtx_subexp.
9794 * integrate.h: Remove the prototype for
9795 copy_decl_for_inlining.
9796 * rtl.h: Remove the prototype for mark_constant_function.
9797 * tree-vectorizer.h: Remove the prototype for
9798 vect_strip_conversion.
9800 * modulo-sched.c (create_partial_schedule,
9801 free_partial_schedule, reset_partial_schedule): Make them
9804 * hooks.c (hook_bool_rtx_int_false): Remove.
9805 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9807 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9809 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9810 and -mlong-double-128 are incompatible.
9811 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9812 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9813 (TARGET_LIBGCC2_CFLAGS): Define.
9814 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9815 (TARGET_LIBGCC2_CFLAGS): Same.
9816 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9818 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9821 * c-typeck.c (build_binary_op): Perform implicit casts of
9822 operands before shortening them.
9824 * cfgloopmanip.c (split_loop_bb): Remove.
9825 * cfgloop.h: Remove the prototype for split_loop_bb.
9827 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9828 * cfgloop.h: Remove the prototype for
9829 flow_loop_outside_edge_p.
9831 * emit-rtl.c (init_virtual_regs): Make it static.
9832 * function.h: Remove the prototype for init_virtual_regs.
9834 * recog.c (peephole2_optimize): Make it static.
9835 * recog.h: Remove the prototype for peephole2_optimize.
9837 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9839 * df-scan.c (df_record_entry_block_defs): Check if
9840 INCOMING_RETURN_ADDR_RTX is defined.
9842 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9843 Kenneth Zadeck <zadeck@naturalbridge.com>
9845 PR rtl-optimization/24762
9846 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9847 * targhooks.c (hook_void_bitmap): New hook prototype.
9848 * targhoohs.h (hook_void_bitmap): Ditto.
9849 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9850 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9851 * target.h (live_on_entry): New function pointer.
9852 * df-scan.c (df_all_hard_regs): Removed.
9853 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9854 (df_scan_free_internal): Added df->entry_block_defs.
9855 (df_scan_alloc): Ditto.
9856 (df_scan_dump): Ditto.
9857 (df_uses_record): Plumbed flag field properly thru calls.
9858 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9859 This part fixes PR24762.
9860 (df_bb_refs_record): Added code to make the frame and arg
9861 pointers live in EH blocks.
9862 (df_refs_record): Added call to df_record_entry_block_defs.
9863 (df_record_entry_block_defs): New function.
9864 * df-core.c: Added comments to describe new artifical defs.
9865 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9866 (entry_block_defs): New field in struct df.
9867 (df_all_hard_regs): Deleted.
9868 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9869 * df-problems.c (df_ru_bb_local_compute_process_def):
9870 Added code to handle artifical defs in the entry to a function.
9871 (df_ru_bb_local_compute): Ditto.
9872 (df_rd_bb_local_compute_process_def): Ditto.
9873 (df_rd_bb_local_compute): Ditto.
9874 (df_lr_bb_local_compute): Ditto.
9875 (df_ur_bb_local_compute): Ditto.
9876 (df_urec_bb_local_compute): Ditto.
9877 (df_chain_create_bb): Ditto.
9878 (df_ur_local_finalize): Removed entry.
9879 (df_urec_init): Ditto.
9880 (df_urec_local_finalize): Ditto.
9881 (df_ri_bb_compute): Added detection of last use of pseudos.
9882 * Makefile.in (df-scan.o): Updated dependencies.
9883 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9884 * config/mips/mips.c (mips_set_live_on_entry): Added.
9885 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9887 * dce.c (marked_insn_p): Added code to handle artifical defs.
9889 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9891 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9893 (_mm_cvtsi128_si64): Likewise.
9894 (_mm_cvtsd_si64): Likewise.
9895 (_mm_cvttsd_si64): Likewise.
9896 (_mm_cvtsi64_sd): Likewise.
9897 (_mm_cvtsi64_si128): Likewise.
9898 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9899 (_mm_cvtsi64_m64): Likewise.
9900 (_m_to_int64): Likewise.
9901 (_mm_cvtm64_si64): Likewise.
9902 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9903 (_mm_cvttss_si64): Likewise.
9904 (_mm_cvtsi64_ss): Likewise.
9905 (_mm_cvtss_f32): Likewise.
9907 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9909 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9910 for pragma redefine_extname.
9912 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9915 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9916 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9917 -mno-minimal-toc to previous content.
9918 (bispecs): Remove goal.
9919 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9920 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9921 compatibility aliases on powerpc-*-*gnu*.
9922 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9923 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9924 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9925 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9926 (ldblspecs): New goal.
9927 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9928 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9930 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9931 L_sf_to_tf or L_df_to_tf is defined.
9933 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9934 Alan Modra <amodra@bigpond.net.au>
9937 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9938 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9939 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9940 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9941 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9942 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9943 (rs6000_override_options): Initialize rs6000_ieeequad.
9944 Initialize TFmode format to ibm_extended_format if not
9946 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9948 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9949 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9950 (function_arg_advance): IBM long double passed in two FPRs, not
9952 (function_arg): IBM long double passed in FPRs.
9953 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9954 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9955 Only multireg GPR aligned.
9956 (rs6000_init_libfuncs): Enable IBM long double functions if not
9958 (rs6000_generate_compare): Use IBM long double compare if not
9960 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9961 (TARGET_IEEEQUAD): Define.
9962 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9963 not TARGET_IEEEQUAD.
9964 * config/rs6000/rs6000.md: Enable TFmode patterns if
9966 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9967 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9968 and -mlong-double-128 are incompatible.
9969 * doc/invoke.texi (-mabi): Collect options together. Add
9970 ibmlongdouble and ieeelongdouble.
9972 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9974 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9976 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9977 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9978 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9979 * rtl.h (rtunion_def): Remove rt_ptr.
9981 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9982 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9983 * config/i386/winnt.c (i386_pe_mark_dllexport)
9984 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9986 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9988 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9990 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9994 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9995 pthread_key_delete. From John David Anglin. gthrw-ify
9996 pthread_getunique_np only if it it's not a macro. Delete
9998 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9999 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10000 __gthread_objc_condition_signal, __gthread_key_delete): Add
10001 "__attribute__ ((__unused__))" to unused arguments.
10002 (__gthread_recursive_mutex_init_function): Add missing return.
10003 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10004 gthr-posix95.h: Use macro-based approach for name redirection
10005 on targets missing weakref.
10007 2006-01-26 Zack Weinberg <zackw@panix.com>
10009 * genconditions.c (write_header): In generated code, #ifdef out
10010 all includes and fake declarations, except includes of bconfig.h
10011 and system.h, unless GCC_VERSION >= 3001. Do not include
10012 gensupport.h in any case.
10013 (write_conditions): Generate a definition of struct c_test. Add
10014 a comment to the generated #endif.
10015 (write_one_condition): Escape backslashes in string too.
10016 (write_writer): Generated code must escape backslashes and quote
10017 marks (but not newlines) in the strings it writes.
10018 * Makefile.in (build/gencondmd.o): Update dependencies.
10020 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10023 * Makefile.in (insn-automata.o): Add header file dependencies.
10024 * genautomata.c: Add includes.
10026 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10029 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10031 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10033 * configure.ac: Expect target tools paths to be passed from the toplevel
10034 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10036 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10038 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10041 * c.opt (Wpointer-sign): Init to -1.
10042 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10043 OPT_pedantic, to 0 otherwise.
10044 * doc/invoke.texi: Update.
10046 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10048 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10049 constants provided by 80387 instructions in the destination mode.
10051 2006-01-26 Richard Guenther <rguenther@suse.de>
10052 Andrew Pinski <pinskia@physics.uc.edu>
10055 partial PR tree-opt/17064
10056 * tree-ssa-structalias.c (intra_create_variable_infos):
10057 Create heap variables for incoming parameters if
10058 flag_argument_noalias > 1.
10059 (find_what_p_points_to): Look through default defs of
10062 2006-01-26 Jeff Law <law@redhat.com>
10065 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10066 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10067 within the VR_RANGE, use the VR_RANGE as the result, not the
10069 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10070 bounds for the type.
10072 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10074 * tree-ssa-alias.c (maybe_create_global_var): Change
10075 subvar walking to an assertion that we don't have subvar'd variables.
10077 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10080 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10081 Use a new variable, inner. PARM_DECLs are always non-weak.
10083 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10085 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10086 --disable-checking.
10088 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10090 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10092 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10094 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10095 (smax_insn, smin_insn, smax_0, smin_0): New.
10097 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10100 * config/cris/cris.c (cris_order_for_addsi3): New function.
10101 * config/cris/cris-protos.h: Prototype it.
10102 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10103 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10104 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10105 (split for "op.S1 [rx=rx+i],ry (swapped)")
10106 (split for "op(s|u).S1 [rx=rx+i],ry")
10107 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10108 Apply cris_order_for_addsi3 when generating addsi3 insns.
10110 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10112 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10113 (TREE_BLOCK): Add call to EXPR_CHECK.
10115 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10118 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10119 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10120 (dump_omp_clauses): ... here.
10121 (dump_generic_node): Handle OMP_CLAUSE.
10122 * tree.c (omp_clause_num_ops): New.
10123 (omp_clause_code_name): New.
10124 (tree_code_size): Handle OMP_CLAUSE.
10125 (tree_size): Likewise.
10126 (make_node): Document handling of OMP_CLAUSE.
10127 (tree_node_structure): Handle OMP_CLAUSE.
10128 (omp_clause_check_failed): New.
10129 (omp_clause_range_check_failed): New.
10130 (omp_clause_operand_check_failed): New.
10131 (build_omp_clause): New.
10132 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10133 * tree.h (enum omp_clause_code): Declare.
10134 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10135 (OMP_CLAUSE_RANGE_CHECK): Define.
10136 (OMP_CLAUSE_ELT_CHECK): Define.
10137 (omp_clause_check_failed): Declare.
10138 (omp_clause_operand_check_failed): Declare.
10139 (omp_clause_range_check_failed): Declare.
10140 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10141 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10142 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10143 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10144 (OMP_CLAUSE_IF_EXPR): Likewise.
10145 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10146 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10147 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10148 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10149 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10150 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10151 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10152 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10153 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10154 (OMP_CLAUSE_CODE): Define.
10155 (OMP_CLAUSE_SET_CODE): Define.
10156 (OMP_CLAUSE_CODE): Define.
10157 (OMP_CLAUSE_OPERAND): Define.
10158 (struct tree_omp_clause): Declare.
10159 (union tree_node): Add field 'omp_clause'.
10160 * treestruct.def (TS_OMP_CLAUSE): Define.
10161 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10162 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10163 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10164 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10165 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10166 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10167 (OMP_CLAUSE): Define.
10168 * print-tree.c (print_node): Handle OMP_CLAUSE.
10169 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10170 * c-typeck.c: Likewise.
10171 * gimplify.c: Likewise.
10172 * c-omp.c: Likewise.
10173 * tree-nested.c: Likewise.
10174 * tree-inline.c: Likewise.
10175 * c-parser.c: Likewise.
10176 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10179 2006-01-25 Roger Sayle <roger@eyesopen.com>
10181 PR rtl-optimization/25703
10182 * combine.c (try_combine): Handle zero_extract and strict_low_part
10183 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10185 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10187 * global.c: Fix comment typos.
10189 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10192 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10193 Use output_addr_const instead of assemble_name.
10195 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10197 * Makefile.in (sched-vis.o): Update dependencies.
10198 * haifa-sched.c (sched_finish): Clear current_sched_info.
10199 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10200 (dump_flow_info): Call it.
10201 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10203 * basic-block.h (dump_bb_info): Declare.
10204 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10205 option, and apply options only for dump files whose TDF_RTL,
10206 TDF_TREE, or TDF_IPA bits match.
10207 * rtl.h: Declare new functions exported from sched-vis.c.
10208 * sched-vis.c: Enable also if scheduling is not used.
10209 (print_value): Print the mode of registers if not inside scheduling.
10210 (print_insn): Make it work outside the scheduler. Beautify the output
10212 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10214 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10216 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10217 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10218 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10219 depending on the value of CONSTANT_POOL_ADDRESS_P.
10220 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10222 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10223 rather than SYMBOL_REF_DECL.
10224 (rtx_constant_pool): Remove const_rtx_sym_htab.
10225 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10226 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10227 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10228 Remove handling of const_rtx_sym_htab.
10229 (find_pool_constant): Delete.
10230 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10231 rather than find_pool_constant.
10232 (get_pool_constant_for_function): Delete.
10233 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10234 find_pool_constant.
10235 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10236 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10237 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10238 (SYMBOL_REF_CONSTANT): New macro.
10239 (get_pool_constant_for_function): Delete.
10240 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10241 rather than SYMBOL_REF_DECL.
10242 (i386_pe_mark_dllimport): Likewise.
10243 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10244 rather than SYMBOL_REF_DECL.
10245 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10246 (machopic_indirect_call_target): Likewise.
10248 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10250 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10252 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10254 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10256 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10258 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10260 2006-01-24 David Daney <ddaney@avtrex.com>
10263 * configure.ac (enable_tls): New enable option.
10264 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10265 * configure: Regenerate.
10266 * doc/install.texi (--enable-tls): Document new option.
10267 (--disable-tls): Ditto.
10269 2006-01-24 Richard Henderson <rth@redehat.com>
10271 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10272 * alias.c (true_dependence): Respect it.
10273 (canon_true_dependence, write_dependence_p): Likewise.
10274 * builtins.c (get_builtin_sync_mem): Set it.
10276 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10278 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10281 2006-01-24 DJ Delorie <dj@redhat.com>
10283 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10284 for storing constants in single-bit bitfields.
10286 2006-01-25 Ben Elliston <bje@au.ibm.com>
10288 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10290 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10293 * tree-ssa-pre.c (phi_translate): Return NULL
10294 for AGGREGATE_TYPE's.
10296 2006-01-24 Zack Weinberg <zackw@panix.com>
10298 * genautomata.c (process_state_for_insn_equiv_partition):
10299 Use xcalloc for insn_arcs_array.
10300 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10301 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10303 2006-01-24 Richard Henderson <rth@redhat.com>
10305 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10306 update all callers.
10308 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10310 PR rtl-optimization/25890
10311 PR rtl-optimization/25905
10312 * combine.c (expand_compound_operation, expand_field_assignment):
10313 Fail if the bitfield's final position is out of bounds.
10315 2006-01-24 Ian Lance Taylor <ian@airs.com>
10317 PR middle-end/25930
10318 * cgraphunit.c (cgraph_output_in_order): Don't clear
10319 cgraph_asm_nodes until after asm strings have been output.
10321 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10323 * fix-header.c (read_scan_file): Add new parameter imultilib when
10324 calling register_include_chains.
10326 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10328 * omp-low.c: Update documentation.
10330 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10331 Daniel Berlin <dberlin@dberlin.org>
10335 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10336 return from the function.
10338 2006-01-22 Zack Weinberg <zackw@panix.com>
10340 * rtl.def (match_code): Add second argument.
10341 * genpreds.c (write_extract_subexp): New function.
10342 (write_match_code): Add path argument. Use write_extract_subexp.
10343 (write_predicate_expr): Pass path to write_match_code.
10344 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10345 not perform a mode test.
10346 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10347 a subexpression does not constrain the top-level code set.
10348 * read-rtl.c (read_rtx_variadic): New function.
10349 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10350 * doc/md.texi: Document new notation.
10351 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10352 (cmpsi_operand): ... here, using new notation.
10354 2006-01-22 Zack Weinberg <zackw@panix.com>
10356 * varray.c: Remove GENERATOR_FILE #ifdefs.
10358 2006-01-22 Zack Weinberg <zackw@panix.com>
10360 * genautomata.c (output_reserved_units_table): Emit nothing if
10361 description->query_units_num is zero. Remove extra blank line.
10362 (output_cpu_unit_reservation_p): Short circuit
10363 if description->query_units_num is zero.
10365 2006-01-22 Zack Weinberg <zackw@panix.com>
10367 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10368 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10369 nor any of the random handful of variables that used to be necessary
10370 when this program was linked with rtlanal.o. Prune set of forward
10371 function declarations.
10372 (struct attr_desc): Remove static_p field.
10373 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10374 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10375 (attr_string): Do not read the character one past the length of
10377 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10378 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10379 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10380 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10381 (make_automaton_attrs): New.
10382 (main): Do not call into genautomata. Call local gen_bypass
10383 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10384 Remove special case for insn_alts.
10385 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10386 varray.h (leftover from previous change). Prune set of forward
10387 function declarations. Remove state_alts fields from all
10388 structures. Remove state_alts_table from struct automaton.
10389 Make everything except main static. Do not maintain num_dfa_decls.
10390 Do not maintain state_alts fields of various structures.
10391 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10392 (add_arc): Remove state_alts argument. All callers updated.
10393 (output_reserved_units_table): Emit #ifdef here...
10394 (output_tables): ...not here. Don't generate state_alts tables.
10395 (expand_automata): Don't generate attributes.
10396 (write_automata): Don't generate state_alts functions.
10397 (main): New function.
10398 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10399 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10400 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10401 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10402 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10403 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10404 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10405 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10407 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10408 * genattrtab.h: Delete file.
10409 * Makefile.in (OBJS-common): Add insn-automata.o.
10410 (insn-automata.o): New rule.
10411 (simple_generated_c): Add insn-automata.c.
10412 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10413 (genprogmd): Add automata.
10414 (build/genattrtab): Needs no extra objects nor libraries.
10415 (build/genautomata): Needs build/vec.o and -lm.
10417 2006-01-22 Zack Weinberg <zackw@panix.com>
10419 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10420 (output_dfa_max_issue_rate, locked_states_num): Delete.
10421 (struct automaton): Add locked_states field.
10422 (output_dead_lock_vect): Save number of locked states in
10423 automaton->locked_states. If it is zero, don't print anything.
10424 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10425 (output_internal_dead_lock_func): Only test the dead_lock_vect
10426 for automata that have locked states.
10427 (output_statistics): Always print the number of locked states for
10428 each automaton. Calculate total number of locked states here.
10429 (write_automata): Don't call output_dfa_max_issue_rate.
10430 * genattrtab.c: Define length_unit_log as a const variable.
10431 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10432 max_insn_queue_index const.
10433 * final.c (length_unit_log): Declare const.
10434 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10436 2006-01-22 Zack Weinberg <zackw@panix.com>
10438 * genautomata.c: Include vec.h, not varray.h.
10439 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10440 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10441 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10442 VEC_* macros operating on appropriately typed vectors, or to
10443 malloced arrays when the size is known in advance. Const-ify
10444 many char* variables and function arguments. No functional changes.
10445 * Makefile.in (build/varray.o): Delete rule.
10446 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10447 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10449 2006-01-22 Zack Weinberg <zackw@panix.com>
10451 * gensupport.c: Define get_insn_name and record_insn_name here.
10452 (read_md_rtx): Call record_insn_name as appropriate.
10453 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10454 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10455 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10457 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10458 (BUILD_VARRAY): Delete.
10459 (genprognormal): Rename genprogmd. Fold in all programs from
10460 genprognoprint; also attrtab.
10461 (build/genattrtab): Just mention genautomata.o and varray.o.
10462 Reorganize a bit, add comments to make the categories clearer.
10464 2006-01-22 Zack Weinberg <zackw@panix.com>
10466 * genconditions.c (condition_table, add_condition): Delete.
10467 (write_conditions): Don't emit n_insn_conditions nor
10468 insn_elision_unavailable. Issue the gcc version #ifdef here,
10469 inside the table, with no #else clause ...
10470 (write_header): ...not here.
10471 (write_writer): New function.
10472 (main): Don't initialize condition_table. Use add_c_test.
10474 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10475 files on the command line.
10476 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10477 Return -1 if there is no entry in the table, don't abort.
10478 (add_c_test, traverse_c_tests): New functions.
10479 * gensupport.h (insn_elision_unavailable, insn_conditions)
10480 (n_insn_conditions): Delete declarations.
10481 (add_c_test, traverse_c_tests): Declare.
10482 * read-rtl.c: Include gensupport.h.
10483 (read_conditions): New function.
10484 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10485 (read_rtx_1): If we get EOF when we were looking for an initial
10486 open paren, return 0. Call read_conditions when appropriate.
10487 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10488 dummy-conditions.o. Eliminate references to insn-conditions.o,
10489 or change them to build/gencondmd.o, as appropriate. Remove
10490 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10491 from $(simple_generated_c). For all files remaining in those
10492 two lists, add insn-conditions.md to the generator command line.
10493 Give insn-constants.h/s-constants their own rules. Add rules
10494 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10495 (build/read-rtl.o): Depend on gensupport.h.
10496 (genprognormal): Include preds.
10497 (genprogearly): Rename genprognoprint; only difference is now that
10498 they don't link with $(BUILD_PRINT).
10499 * dummy-conditions.c: Delete.
10501 2006-01-22 Zack Weinberg <zackw@panix.com>
10503 * genextract.c: Don't include insn-config.h. Do include vec.h.
10504 Declare vectors of int, char, and locstr.
10505 (locstr): New typedef.
10506 (struct extraction): Make all array fields into bare pointers.
10507 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10508 (insn_code_number): Delete.
10509 (accum_extract): New struct.
10510 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10511 (gen_insn): Take insn_code_number as an argument. Use an
10512 accum_extract structure instead of loading data directly into
10513 a struct extraction, and having to know how big it might get.
10514 (walk_rtx): Operate entirely on an accum_extract structure.
10515 (print_path): Avoid unnecessary use of printf.
10516 (print_header): New function, split out of main. Distinguish
10517 more carefully between an unrecognizable insn and an insn that
10518 has the code number of a define_expand.
10519 (main): Pass insn_code_number to gen_insn. Call print_header
10520 only after parsing. Avoid unnecessary use of printf.
10521 * Makefile.in (build/vec.o): New rule.
10522 (build/genextract): Depend on build/vec.o.
10523 (build/genextract.o): Don't depend on insn-config.h.
10525 2006-01-22 Zack Weinberg <zackw@panix.com>
10527 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10528 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10529 practical. Eliminate per-generator-program link rules.
10531 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10533 PR middle-end/24437
10534 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10535 with a call expr to ...
10536 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10538 2006-01-23 Richard Guenther <rguenther@suse.de>
10540 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10541 before make_edge with conditional EDGE_TRUE_VALUE.
10543 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10544 Jan Hubicka <jh@suse.cz>
10545 Richard Guenther <rguenther@suse.de>
10547 PR rtl-optimization/25654
10548 * cfgexpand.c (aggregate_contains_union_type): New function.
10549 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10550 for structure variables that contain a union type.
10552 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10554 * gengtype.c (new_structure): Return the structure.
10555 (create_option): Add an extra "next" argument.
10556 (create_field): New function.
10557 (adjust_field_rtx_def): Use create_option and create_field.
10558 Remove a now-unnecessary call to find_structure.
10559 (adjust_field_tree_def): Likewise.
10560 (note_yacc_type): Remove an unnecessary call to find_structure.
10561 * gengtype.h (new_structure): Return the structure.
10562 (create_option): Add an extra argument.
10563 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10564 (option): Adjust calls to create_option.
10566 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10568 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10570 2006-01-22 Paul Brook <paul@codesourcery.com>
10571 Peter Barada <peter@the-baradas.com>
10573 * config/m68k/m68k.md: Add Coldfire FPU support.
10574 Define FP mode macro and associated attributes.
10575 Use it for float mode patterns.
10576 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10577 (LIBCALL_VALUE): Use m68k_libcall_value.
10578 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10579 (m68k_function_value): Ditto.
10580 (emit_move_sequence): Ditto.
10581 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10582 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10583 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10584 (MULTILIB_EXCEPTIONS): Ditto.
10585 * config/m68k/m68k.opt: Add mcfv4e.
10586 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10587 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10588 (m68k_output_function_prologue): Save ColdFire FPU registers.
10589 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10590 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10591 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10592 ColdFire FPU registers.
10593 (m68k_libcall_value, m68k_function_value): New functions.
10594 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10595 (LIBCALL_VALUE): Use m68k_libcall_value.
10596 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10597 (MASK_COLDFIRE): Add MASK_CFV4E.
10598 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10599 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10600 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10601 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10602 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10603 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10604 * doc/invoke.tex: Document -mcfv4e on m68k.
10606 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10608 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10611 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10614 * c-opts.c (c_common_handle_option): Don't include
10615 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10616 * doc/invoke.texi (C++ Dialect Options): Document that
10617 -Wnon-virtual-dtor is no longer included in -Wall.
10619 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10621 * gcov.c (print_version), gcov-dump.c (print_version),
10622 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10625 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10627 * df-scan.c (problem_SCAN): Added NULL reset function.
10628 (df_scan_reset_blocks): Added code to call reset block function
10629 (df_bb_refs_delete) Fixed comment.
10630 (df_insn_refs_delete): Made tolerant of deleting non existent info
10631 for dataflow problems that need to be reset.
10632 * df-core.c (df_set_blocks): Ditto.
10633 * df.h (struct df_problem): Added reset_fun.
10634 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10635 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10636 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10637 functions to clear out all references to def-use or use-def chains.
10639 2006-01-21 Ben Elliston <bje@au.ibm.com>
10641 * varasm.c (assemble_real): Initialise data array.
10643 2006-01-20 Paul Brook <paul@codesourcery.com>
10645 Merge from csl-arm-branch.
10646 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10647 * config/arm/arm.md (movdi): Force operands[1] to a register
10648 if we have a non-register source.
10649 (*arm_movdi, *movdf_soft_insn): Require that one of the
10650 operands be a register.
10651 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10652 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10654 2006-01-20 DJ Delorie <dj@redhat.com>
10656 * varasm.c (initializer_constant_valid_p): Allow pointers
10657 initialized from integer constants of lesser precision.
10658 (output_constant): Allow non-int-sized pointer modes to be
10659 initialized from integer constants.
10661 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10664 * cppdefault.h (struct default_include): Add multilib flag.
10665 * cppdefault.c (cpp_include_defaults): Set it.
10666 * c.opt (-imultilib): New option.
10667 * c-opts.c (imultilib): New.
10668 (c_common_handle_option): Handle -imultilib.
10669 (c_common_post_options): Likewise.
10670 * c-incpath.c (add_standard_paths, register_include_chains):
10672 * c-incpath.h (register_include_chains): Add extra parameter.
10673 * gcc.c (do_spec_1): Generate -imultilib option.
10674 (The Specs Language): Update %I description.
10675 (process_command): Update copyright notice.
10676 * doc/cppopts.texi (-imultilib): Document.
10677 * doc/invoke.texi (-imultilib): Include in option summary.
10678 (%I): Update specs documentation.
10680 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10682 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10684 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10686 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10689 2006-01-20 Richard Guenther <rguenther@suse.de>
10690 Steven Bosscher <stevenb.gcc@gmail.com>
10692 PR rtl-optimization/24626
10693 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10694 EDGE_TRUE_VALUE if in RTL mode.
10697 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10698 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10700 2006-01-20 Dirk Mueller <dmueller@suse.com>
10703 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10704 instead of a special NOP marker.
10705 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10706 NOP marker handling.
10707 * c-common.h (empty_body_warning): Add forward declaration.
10708 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10709 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10711 2006-01-20 Paul Brook <paul@codesourcery.com>
10713 * Makefile.in (lang_checks): Keep going if mkdir fails.
10715 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10717 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10718 be able to clean out basic block when not necessary.
10719 (df_scan_free): Fixed to properly delete information if df is
10720 unused before calling df_finish.
10721 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10722 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10724 (df_bb_refs_delete): New function.
10725 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10726 * df-core.c (df_set_blocks): Added code to properly clean out
10727 unused blocks if they are not part of the blocks to consider.
10728 Added additional null check.
10729 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10730 be able to clean out basic block when not necessary
10731 * df.h (df_free_bb_function): Ditto.
10732 (df_bb_refs_delete): New function.
10733 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10734 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10735 basic block parameter to be able to clean out basic block when not
10737 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10738 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10739 Fixed to properly delete information if df is unused before
10742 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10744 PR rtl-optimization/25799
10745 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10746 Corrected confluence operator to remove bits from op2 before oring
10747 with op1 rather than removing bits from op1.
10748 (df_ru_transfer_function): Corrected test on wrong bitmap which
10749 caused infinite loop. Both of these problems were introduced in
10750 the dataflow rewrite.
10752 2006-01-19 DJ Delorie <dj@redhat.com>
10754 * reload1.c (find_reload_regs): Note the details of reload
10755 failures in the dump file.
10756 (spill_failure): Likewise.
10758 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10760 * loop-iv.c: Include df.h and hashtab.h.
10761 (enum iv_grd_result): New enum.
10762 (DF_REF_IV, DF_REF_IV_SET): New macros.
10763 (struct biv_entry): New.
10764 (df, bivs): New global variables.
10765 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10766 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10768 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10769 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10770 analyzed_for_bivness_p, record_biv): New functions.
10771 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10772 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10773 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10775 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10777 (iv_number_of_iterations): Use new interface to iv analysis.
10778 * loop-unroll.c: Do not include varray.h.
10779 (analyze_iv_to_split_insn): Use new interface to iv
10781 * loop-unswitch.c (may_unswitch_on): Ditto.
10782 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10784 (df_bb_modify): Realloc tables to the new index.
10785 (df_find_use): New function.
10786 * df.h (df_find_use): Declare.
10787 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10789 * cfgloop.h (struct rtx_iv): Remove analysed field.
10790 (iv_get_reaching_def): Removed.
10791 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10792 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10793 (loop-iv.o): Add df.h and hashtab.h dependency.
10794 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10796 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10799 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10801 (__floatundisf, __floatundidf): Likewise.
10802 * libgcc2.h (IS_IBM_EXTENDED): Define.
10804 2006-01-19 DJ Delorie <dj@redhat.com>
10806 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10808 2006-01-19 Paul Brook <paul@codesourcery.com>
10810 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10811 as nothrow when unwinding tables are disabled.
10813 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10816 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10817 of bit-field" when in system header.
10819 2006-01-19 DJ Delorie <dj@redhat.com>
10821 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10822 the 16 bit shift limit of the m16c.
10824 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10827 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10828 * config/i386/i386.c (output_set_got): Output the label if we have one
10829 for the TARGET_DEEP_BRANCH_PREDICTION case.
10831 2006-01-19 Jan Hubicka <jh@suse.cz>
10832 H.J. Lu <hongjiu.lu@intel.com>
10833 Evandro Menezes <evandro.menezes@amd.com>
10835 * invoke.texi (generic): Document
10837 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10838 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10839 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10840 (x86_use_incdec, x86_pad_returns): New variables
10841 (TARGET_CPU_DEFAULT_generic): New constant
10842 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10843 (enum processor_type): Add generic32 and generic64.
10844 * i386.md (cpu attribute): Add generic32/generic64
10845 (movhi splitter): Behave sanely when both partial_reg_dependency and
10846 partial_reg_stall are set.
10847 (K8 splitters): Enable for generic as well.
10848 * predicates.md (incdec_operand): Use TARGET_INCDEC
10849 (aligned_operand): Avoid memory mismatch stalls.
10850 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10851 * ppro.md: Enable for generic32
10852 * i386.c (generic64_cost, generic32_cost): New.
10853 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10854 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10855 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10856 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10857 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10858 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10859 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10860 x86_accumulate_outgoing_args, x86_prologue_using_move,
10861 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10862 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10863 Enable for generic.
10864 (x86_use_incdec, x86_pad_returns): New.
10865 (override_options): Add generic32 and generic64, translate "generic"
10866 to generic32/generic64 and "i686" to "generic32", refuse
10867 "generic32"/"generic64" as arch target.
10868 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10869 (ix86_reorg): Honor PAD_RETURNS.
10871 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10873 * tree-pretty-print.c (dump_generic_node): Handle
10874 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10875 * cgraph.c (cgraph_expand_queue): Rename from
10876 cgraph_analyze_queue. Update all users.
10877 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10878 cgraph_expand_queue.
10879 (cgraph_expand_all_functions): Likewise.
10880 (cgraph_finalize_pending_functions): Remove. Update callers.
10882 * tree.h (OMP_DIRECTIVE_P): Define.
10883 (OMP_PARALLEL_FN): Define.
10884 (OMP_PARALLEL_DATA_ARG): Define.
10885 (OMP_SECTIONS_SECTIONS): Define.
10886 * tree-pass.h (pass_expand_omp): Declare.
10887 * omp-low.c (struct omp_region): Declare.
10888 (struct omp_context): Remove fields 'parallel_type',
10889 'parallel_start_ix' and 'parallel_start_additional_args'.
10891 (struct omp_for_data): Rename from struct expand_omp_for_data.
10892 (omp_regions): New static variable.
10893 (root_omp_region): New static variable.
10894 (find_omp_clause): Make static.
10895 (is_in_combined_parallel_ctx): Remove.
10896 (is_combined_parallel): New.
10897 (extract_omp_for_data): Move earlier in the file.
10898 (workshare_safe_to_combine_p): New.
10899 (get_ws_args_for): New.
10900 (determine_parallel_type): Move earlier in the file.
10901 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10903 (omp_copy_decl): Likewise.
10904 (create_omp_child_function): Likewise.
10905 (lookup_omp_region): New.
10906 (dump_omp_region): New.
10907 (debug_omp_region): New.
10908 (debug_all_omp_regions): New.
10909 (new_omp_region): New.
10910 (scan_omp_parallel): If parallel_nesting_level > 1, the
10911 directive is nested within another parallel directive.
10912 Set OMP_PARALLEL_FN.
10913 (scan_omp_for): Do not try to handle combined parallel+for
10915 Remove FIXME comment.
10916 (scan_omp_nested): Remove.
10917 (scan_omp_1): Do not call scan_omp_nested when
10918 parallel_nesting_level is > 1.
10919 Do not change the DECL_CONTEXT of local variables found.
10920 (lookup_decl_in_outer_ctx): New.
10921 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10922 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10923 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10924 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10925 If CTX is nested, lookup VAR in the outer context when
10926 building copy assignment.
10927 (lower_send_clauses): Rename from expand_send_clauses.
10928 If CTX is nested, lookup VAR in the outer context when
10929 building copy assignments.
10930 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10931 If CTX is nested, lookup VAR in the outer context when
10932 building copy assignments.
10933 (expand_parallel_call): Rename from build_parallel_call.
10934 Handle combined parallel+workshare cases.
10935 Re-implement to emit code into the CFG.
10937 (expand_omp_parallel): Re-implement to emit code into the CFG.
10938 Call move_sese_region_to_fn to outline the sub-graph
10939 containing the parallel region.
10940 (expand_omp_for_1): Remove.
10941 (expand_omp_for_generic): Re-implement to emit code into the
10943 (expand_omp_for_static_nochunk): Likewise.
10944 (expand_omp_for_static_chunk): Likewise.
10945 (expand_omp_for): Likewise.
10946 (expand_omp_sections): Likewise.
10947 (remove_exit_barriers): New.
10948 (expand_omp_synch): New.
10950 (build_omp_regions_1): New.
10951 (build_omp_regions): New.
10952 (execute_expand_omp): New.
10953 (gate_expand_omp): New.
10954 (pass_expand_omp): Define.
10955 (lower_omp_sections): Rename from expand_omp_sections.
10956 Set OMP_SECTIONS_SECTIONS.
10957 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10958 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10959 (lower_omp_single): Rename from expand_omp_simple.
10960 (lower_omp_master): Rename from expand_omp_master.
10961 (lower_omp_ordered): Rename from expand_omp_ordered.
10962 (lower_omp_critical): Rename from expand_omp_critical.
10963 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10964 (lower_omp_for): Re-implement.
10965 (lower_omp_parallel): Re-implement.
10966 (lower_regimplify): Rename from expand_regimplify.
10967 (lower_omp_1): Rename from expand_omp_1.
10968 If there are syntax errors in the program, replace every
10969 OpenMP directive with NOP.
10970 Call lower_omp_* instead of expand_omp_*.
10971 (lower_omp): Rename from expand_omp.
10973 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10974 * tree-gimple.h (enum omp_parallel_type): Remove.
10975 (gimple_boolify): Declare extern.
10976 (find_omp_clause, determine_parallel_type): Remove.
10978 * gimple-low.c (lower_omp_directive): New.
10979 (lower_stmt): Call it.
10980 (record_vars_into): Move from ...
10981 (record_vars): ... here.
10982 Call record_vars_into with current_function_decl.
10984 * gimplify.c (struct gimplify_ctx): Remove fields
10985 combined_pre_p and combined_ctxp. Update users.
10986 (get_formal_tmp_var): Add documentation.
10987 (gimple_boolify): Make extern.
10988 (gimplify_expr_in_ctx): Remove. Update callers.
10989 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10990 will always be a BIND_EXPR.
10991 (gimplify_expr): Handle OMP_RETURN_EXPR.
10992 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10993 (OMP_PARALLEL): Add 3 operands.
10994 (OMP_SECTIONS): Add 1 operand.
10995 (OMP_RETURN_EXPR): Define.
10997 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10998 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10999 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11000 creating a circular free list.
11001 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11003 * tree-flow.h (move_sese_region_to_fn): Declare.
11004 (record_vars_into): Declare.
11005 * tree-cfg.c (make_omp_sections_edges): New.
11006 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11007 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11008 OMP_SECTIONS and OMP_SECTION.
11009 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11010 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11011 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11012 (gather_blocks_in_sese_region): New.
11013 (struct move_stmt_d): Declare.
11014 (move_stmt_r): New.
11015 (move_block_to_fn): New.
11016 (move_sese_region_to_fn): New.
11018 * passes.c (init_optimization_passes): Schedule
11019 pass_expand_omp after pass_init_datastructures.
11021 * tree-ssa-operands.c (get_expr_operands): Handle
11022 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11023 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11025 2006-01-19 Jeff Law <law@redhat.com>
11027 * tree-vrp.c (extract_range_from_assert): Refine the result range
11028 if the variable referenced by the ASSERT_EXPR has a range and
11029 either the tentative result range or the previous range is a
11032 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11034 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11036 2006-01-19 Jan Hubicka <jh@suse.cz>
11038 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11040 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11042 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11043 (expand_compound_operation, expand_field_assignment): Fail if the
11044 bit lengths of an extract operation are out of range.
11045 (make_extraction): Compute wanted_inner_mode based on the position
11046 and length of the extraction. Make it extraction_mode for non-constant
11047 positions, and do not modify offset in that case. When generating a
11048 new MEM, use a mode that can hold the extraction while keeping correct
11049 alignment. Remove code that supported MEMs wrapped by USEs.
11050 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11052 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11054 * config/s390/s390.md ("Y", "y"): New mode attribute.
11055 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11056 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11057 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11058 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11059 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11060 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11061 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11062 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11063 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11064 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11065 "addsi3", "subsi3"): Insn patterns removed.
11066 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11067 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11068 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11069 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11070 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11071 "*sub<mode>3_cconly2"): New insn patterns.
11072 ("addsi3", "subsi3"): New expanders.
11074 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11076 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11077 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11078 existing STMT_VINFO_VECTYPE if available.
11079 (vect_mark_relevant): Add special handling for stmts that are
11080 marked as STMT_VINFO_IN_PATTERN_P.
11081 (vect_analyze_loop): Call vect_pattern_recog.
11082 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11083 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11085 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11086 (vect_recog_func_ptr): New function-pointer type.
11087 * tree-vect-patterns.c: New file.
11088 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11089 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11090 (vect_pattern_recog_1): New functions.
11091 (vect_pattern_recog_funcs): New array of function pointers.
11093 * tree-vectorizer.h (ternary_op): New enum value.
11094 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11095 declaration. Revised documentation. Removed redundant dump prints.
11096 Removed redundant argument. Added support for reduction patterns.
11097 (vectorizable_reduction): Added support for reduction patterns.
11098 (vect_transform_stmt): Added support for patterns.
11100 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11101 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11102 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11103 (expand_widen_pattern_expr): New function.
11104 (init_optabs): Initialize new optabs udot_prod_optab,
11106 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11107 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11108 (expand_widen_pattern_expr): New function declaration.
11109 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11111 * tree-inline.c (estimate_num_insns_1): Added cases for new
11112 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11113 * tree-pretty-print.c (dump_generic_node): Likewise.
11114 (op_prio): Likewise.
11115 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11116 * tree-ssa-operands.c (get_expr_operands): Added case for
11118 * tree-vect-patterns.c (widened_name_p): New function.
11119 (vect_recog_dot_prod_pattern): Added function implementation.
11120 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11121 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11122 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11123 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11125 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11126 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11127 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11128 (init_optabs): Initialize new optabs widen_ssum_optab,
11130 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11131 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11132 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11133 use instead of type of def.
11134 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11135 function implementation.
11136 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11137 widen_ssumv8hi): New.
11139 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11142 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11145 * c-decl.c (add_flexible_array_elts_to_size): New function.
11146 (finish_decl): Use it.
11148 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11150 * diagnostic.h: Include options.h.
11151 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11152 dependancies for diagnostic.h.
11153 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11155 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11157 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11158 (ssa_ro_call_cache_valid): Ditto.
11159 * tree-ssa-alias.c (sort_tags_by_id): New function.
11160 (init_transitive_clobber_worklist): Ditto.
11161 (add_to_worklist): Ditto.
11162 (mark_aliases_call_clobbered): Ditto.
11163 (compute_tag_properties): Ditto.
11164 (set_initial_properties): Ditto.
11165 (compute_call_clobbered): Ditto.
11166 (compute_may_aliases): Call compute_call_clobbered and grouping.
11167 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11168 (compute_flow_insensitive_aliasing): Grouping now happens in our
11170 (setup_pointers_and_addressables): Remove clobbering related code.
11171 (add_may_alias): Ditto.
11172 (replace_may_alias): Ditto.
11173 (get_nmt_for): Ditto.
11174 (create_global_var):
11175 (is_escape_site): Return an escape_type enumeration.
11176 * tree-flow-inline.h (is_call_clobbered): Global var does not
11177 imply call clobbered.
11178 (mark_call_clobbered): Take a reason for marking this. Remove
11179 marking of globalness, and cache invalidation.
11180 (clear_call_clobbered): Remove cache invalidation code.
11181 * tree-dfa.c (dump_variable): If details is on, dump the reason
11183 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11185 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11186 (struct var_ann_d): Ditto.
11187 (enum escape_type): New.
11188 (mark_call_clobbered): Adjust prototype.
11189 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11190 are never call clobbered.
11191 Record reasons for escaping.
11192 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11193 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11194 (ssa_ro_call_cache_valid): Ditto.
11195 (clobbered_v_may_defs): Ditto.
11196 (clobbered_vuses): Ditto.
11197 (ro_call_vuses): Ditto.
11198 (clobber_stats): New.
11199 (init_ssa_operands): Zero out clobber stats.
11200 (fini_ssa_operands): Print out clobber stats.
11201 (get_call_expr_operands): Pass callee fndecl to
11202 add_call_read_ops).
11203 (add_call_clobber_ops): Remove use of cache.
11204 Add use of PURE_CONST information.
11205 (add_call_read_ops): Remove use of cache.
11206 Add use of static not_read information.
11208 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11210 Introduce TLS descriptors for i386 and x86_64.
11211 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11212 (TARGET_ANY_GNU_TLS): New macro.
11213 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11214 (struct machine_function): Add tls_descriptor_call_expanded_p.
11215 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11216 (ix86_current_function_calls_tls_descriptor): Likewise.
11217 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11218 (override_options): Introduce gnu2 tls dialect.
11219 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11221 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11223 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11224 (ix86_init_machine_status): Initialize new field.
11225 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11226 (ix86_tls_module_base): New.
11227 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11228 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11229 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11230 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11231 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11232 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11233 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11234 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11235 * config/i386/predicates.md (tls_modbase_operand): New.
11236 (tp_or_register_operand): New.
11238 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11240 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11241 (look_for_address_of): Ditto.
11242 (ipa_init): Walk the function decls.
11243 (static_execute): Don't set readonly on FUNCTION_DECL's.
11245 2006-01-18 Roger Sayle <roger@eyesopen.com>
11247 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11248 for shifts where the source and destination registers are different.
11250 2006-01-18 Paul Brook <paul@codesourcery.com>
11252 Merge from csl-arm-branch.
11253 2005-03-14 Julian Brown <julian@codesourcery.com>
11254 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11255 (aeabi_llsl): Likewise.
11256 (ashrdi3): Likewise.
11257 (aeabi_lasr): Likewise.
11258 (lshrdi3): Likewise.
11259 (aeabi_llsr): Likewise.
11260 2005-03-10 Julian Brown <julian@codesourcery.com>
11261 * config.gcc: Disable shared libgcc for SymbianOS.
11262 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11264 2006-01-18 DJ Delorie <dj@redhat.com>
11266 * c-pragma.c (handle_pragma_diagnostic): New.
11267 (init_pragma): Register it.
11268 * doc/extend.texi: Document it.
11270 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11271 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11272 (diagnostic_context): Add classify_diagnostic[].
11273 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11274 as errors if they're overridden to DK_WARNING.
11275 (diagnostic_initialize): Initialize classify_diagnostic[].
11276 (diagnostic_set_kind_override): New.
11277 (diagnostic_report_diagnostic): Check for kind changes.
11278 * opts.c (common_handle_option): Take lang_mask. Update callers.
11279 Handle OPT_Werror_.
11280 * common.opt (Werror=): New.
11281 * doc/invoke.texi: Document -Werror=*
11283 2006-01-18 Jeff Law <law@redhat.com>
11285 * tree-vrp.c (test_for_singularity): Correct test for new
11286 min limit. Use operand_equal_p rather than pointer equality
11287 for testing if new min/max values are equal.
11289 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11290 using range information until after propagation and folding.
11292 2006-01-18 Richard Henderson <rth@redhat.com>
11293 Aldy Hernandez <aldyh@redhat.com>
11294 Jakub Jelinek <jakub@redhat.com>
11295 Diego Novillo <dnovillo@redhat.com>
11297 * omp-low.c: New file.
11298 * c-omp.c: New file.
11300 2006-01-18 Richard Henderson <rth@redhat.com>
11301 Jakub Jelinek <jakub@redhat.com>
11302 Diego Novillo <dnovillo@redhat.com>
11304 * doc/invoke.texi: Document -fopenmp.
11305 * tree-dump.h (debug_function): Declare.
11306 * hooks.c (hook_bool_tree_bool_false): New function.
11307 (hook_tree_tree_null): Remove.
11308 (hook_tree_tree_tree_null): New.
11309 * hooks.h: Update to match.
11310 * tree-pretty-print.c (debug_tree_chain): New.
11311 (print_generic_expr): Handle TDF_CHAIN.
11312 (dump_generic_node): Handle BLOCK.
11313 Do not abort with incomplete SWITCH_EXPRs.
11314 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11315 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11316 print space after directive name.
11317 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11318 Handle OMP_MASTER and OMP_ORDERED.
11319 Handle printing of OMP_BODY just in one place, goto
11320 dump_omp_body in the rest of OMP_* nodes that have
11322 Don't handle clause nodes here. Update omp statements to
11323 use dump_omp_clauses.
11324 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11325 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11326 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11327 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11328 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11329 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11330 Adjust output for GOMP_PARALLEL.
11331 (dump_omp_clauses): New.
11332 (print_declaration): Dump DECL_VALUE_EXPR.
11333 (op_symbol_1): Split out of op_symbol.
11334 (dumping_stmts): Remove. Update all users.
11335 * cgraph.c (cgraph_analyze_queue): New.
11336 (cgraph_add_new_function): New.
11337 * cgraph.h (cgraph_analyze_queue): Declare.
11338 (cgraph_add_new_function): Declare.
11339 (cgraph_lower_function): Remove.
11340 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11341 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11342 and TYPE_P nodes in its default clause.
11343 (empty_body_p): New.
11344 (tree_range_check_failed): New.
11345 (build5_stat): New.
11346 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11347 OMP_CLAUSE_REDUCTION_MERGE,
11348 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11349 OMP_CLAUSE_PRIVATE_DEBUG,
11350 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11351 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11352 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11353 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11354 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11355 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11356 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11357 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11358 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11359 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11360 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11361 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11362 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11363 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11364 (TREE_RANGE_CHECK): New.
11365 (empty_body_p): Declare.
11366 (enum omp_clause_default_kind): New.
11367 (build_string_literal): Declare.
11368 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11369 (build5_stat, build5): Declare.
11370 * tree-pass.h (TDF_CHAIN): Define.
11371 * tree-pass.h (PROP_gimple_lomp): Define.
11372 (pass_lower_omp): Declare.
11373 * diagnostic.h (debug_tree_chain): Declare.
11374 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11376 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11377 * builtins.c (build_string_literal): Make extern.
11378 * gcc.c (include_spec_function): New.
11379 (static_spec_functions): Add it.
11380 (main): Move load of libgomp.spec ...
11381 (LINK_COMMAND_SPEC): ... here.
11382 (link_gomp_spec): New.
11383 (static_specs): Include it.
11384 (LINK_COMMAND_SPEC): Add link_gomp.
11385 (GOMP_SELF_SPECS): New.
11386 (driver_self_specs): Include it.
11387 (switch_matches): Don't mark inline.
11388 (main): Load libgomp.spec.
11389 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11390 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11391 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11392 * tree-gimple.h (enum omp_parallel): Declare.
11393 (determine_parallel_type): Declare.
11394 (omp_firstprivatize_variable): Declare.
11395 (omp_reduction_init): Declare.
11396 (diagnose_omp_structured_block_errors): Declare.
11397 (struct walk_stmt_info): Add want_return_expr.
11398 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11399 (find_omp_clause): Declare.
11400 (insert_field_into_struct): Declare.
11401 (struct walk_stmt_info): Move from tree-nested.c
11402 (walk_stmts): Declare.
11403 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11405 * cgraphunit.c (cgraph_lower_function): Make static.
11406 (cgraph_finalize_pending_functions): New.
11407 (cgraph_finalize_function): Call it.
11408 (cgraph_finalize_compilation_unit): Likewise.
11409 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11410 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11411 (BT_FN_UINT_UINT): New.
11412 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11413 DEF_FUNCTION_TYPE_VAR_4): Document.
11414 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11415 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11416 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11417 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11418 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11419 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11420 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11421 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11422 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11423 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11424 into separate files.
11425 (DEF_GOMP_BUILTIN): New.
11426 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11427 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11428 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11429 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11430 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11431 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11432 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11433 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11434 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11435 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11436 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11437 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11438 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11439 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11440 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11441 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11442 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11443 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11444 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11445 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11446 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11447 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11448 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11449 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11450 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11451 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11452 * sync-builtins.def: New file, moved from builtins.def.
11453 * omp-builtins.def: New file, moved from builtins.def.
11454 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11455 * gimple-low.c (lower_function_body): Clear data.
11456 (lower_stmt): Do not handle COMPOUND_EXPR.
11457 Remove call to print_node_brief.
11458 * c-tree.h (c_finish_omp_clauses): New prototype.
11459 (C_DECL_THREADPRIVATE_P): Define.
11460 (lookup_name_no_remap, c_omp_remap_private): Remove
11461 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11462 (check_for_loop_decls): Update decl.
11463 (lookup_name_no_remap, c_omp_remap_private): Declare.
11464 (build_indirect_ref, build_modify_expr, pushdecl,
11465 pushdecl_top_level): Move to c-common.h.
11466 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11467 before the switch, but just in the 2 places that need it.
11468 * c-decl.c (diagnose_mismatched_decls): Do not check for
11469 mismatched thread-local attributes when OLDDECL is marked
11470 threadprivate and NEWDECL has no thread-local attributes.
11471 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11472 (c_gimple_diagnostics_recursively): Rename from
11473 c_warn_unused_result_recursively. Invoke
11474 diagnose_omp_structured_block_errors.
11475 (check_for_loop_decls): Return a singular decl found.
11476 * langhooks.c (lhd_omp_predetermined_sharing): Return
11477 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11478 (lhd_omp_firstprivatize_type_sizes): New.
11479 (lhd_omp_assignment): New.
11480 (lhd_omp_predetermined_sharing): New.
11481 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11482 (struct lang_hooks_for_types): Add
11483 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11484 omp_predetermined_sharing, omp_disregard_value_expr,
11485 omp_private_debug_clause, omp_clause_default_ctor,
11486 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11487 (c_finish_omp_clauses): New.
11488 (c_finish_bc_stmt): Diagnose break within omp for.
11489 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11490 (build_unary_op): Return error_mark after reporting
11492 (build_modify_expr): Likewise.
11493 * gimplify.c: Include optabs.h and pointer-set.h.
11494 (enum gimplify_omp_var_data): Declare.
11495 (struct gimplify_omp_ctx): Declare.
11496 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11498 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11499 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11500 (splay_tree_compare_decl_uid): New.
11501 (new_omp_context): New.
11502 (delete_omp_context): New.
11503 (gimple_add_tmp_var): Call omp_add_variable.
11504 (gimplify_bind_expr): Likewise.
11505 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11506 true, disregard DECL_VALUE_EXPR on the decl if any.
11507 (gimplify_expr_in_ctx): New.
11508 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11509 omp_add_variable, omp_notice_variable, omp_is_private
11510 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11511 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11512 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11513 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11514 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11515 gimplify_omp_atomic): New.
11516 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11517 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11518 OMP_CRITICAL and OMP_ATOMIC.
11519 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11520 * c-pragma.h (enum pragma_kind): Add
11521 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11522 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11523 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11524 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11525 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11526 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11527 PRAGMA_OMP_THREADPRIVATE.
11528 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11529 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11530 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11531 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11532 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11533 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11534 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11535 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11536 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11537 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11538 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11539 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11540 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11542 (struct nesting_info): Add field_map,
11543 suppress_expansion, debug_var_chain.
11544 (create_nesting_tree): Initialize them.
11545 (lookup_field_for_decl): Use field_map.
11546 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11547 (convert_local_omp_clauses): New.
11548 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11549 (walk_body): Split out of walk_function.
11550 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11551 (convert_nonlocal_reference): Handle omp statements.
11552 (convert_local_reference): Likewise.
11553 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11554 (unnest_nesting_tree): New.
11555 (lower_nested_functions): Call it.
11556 (insert_field_into_struct): Make extern.
11557 (struct walk_stmt_info): Move to tree-gimple.h.
11558 (walk_stmts): Make extern.
11559 * omp-builtins.def: New file.
11560 * tree-iterator.c (expr_only): Clarify comment.
11561 * c-common.h (pushdecl_top_level, pushdecl,
11562 build_modify_expr, build_indirect_ref,
11563 c_finish_omp_master, c_finish_omp_critical,
11564 c_finish_omp_ordered, c_finish_omp_barrier,
11565 c_finish_omp_atomic, c_finish_omp_flush,
11566 c_finish_omp_for, c_split_parallel_clauses,
11567 omp_clause_default_kind, c_omp_sharing_predetermined,
11568 c_omp_remap_decl): Declare.
11569 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11570 (OBJS-common): Add omp-low.o.
11571 (c-omp.o, omp-low.o): Add.
11572 (gimplify.o): Add dependency on $(OPTABS_H).
11573 (GTFILES): Add omp-low.c.
11574 (gt-stringpool.h): Add.
11575 * tree-cfg.c (set_bb_for_stmt): Do not update the
11576 block-to-labels map if we are currently expanding to RTL.
11577 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11579 Handle IDENTIFIER_NODE.
11580 (tree_verify_flow_info): Do not ICE when emitting error
11581 messages about invalid labels.
11582 (dump_function_to_file): Reset CFUN before emitting the body
11584 (debug_function): New.
11585 * passes.c (init_optimization_passes): Schedule
11587 * langhooks-def.h (lhd_omp_predetermined_sharing,
11588 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11590 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11591 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11592 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11593 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11594 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11595 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11596 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11597 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11598 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11599 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11600 (LANG_HOOK_DECLS): Use them.
11602 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11603 Richard Henderson <rth@redhat.com>
11604 Jakub Jelinek <jakub@redhat.com>
11605 Diego Novillo <dnovillo@redhat.com>
11607 * c-parser.c (pragma_omp_clause): Define.
11608 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11609 (c_parser_compound_statement): Likewise.
11610 (c_parser_statement): Likewise.
11611 (c_parser_pragma): Handle omp pragmas.
11612 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11613 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11614 (c_parser_omp_clause_name, check_no_duplicate_clause,
11615 c_parser_omp_variable_list,
11616 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11617 c_parser_omp_clause_copyprivate,
11618 c_parser_omp_clause_default,
11619 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11620 c_parser_omp_clause_lastprivate,
11621 c_parser_omp_clause_nowait,
11622 c_parser_omp_clause_num_threads,
11623 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11624 c_parser_omp_clause_reduction,
11625 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11626 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11627 c_parser_omp_atomic, c_parser_omp_barrier,
11628 c_parser_omp_critical, c_parser_omp_flush,
11629 c_parser_omp_for_loop, c_parser_omp_for,
11630 c_parser_omp_master, c_parser_omp_ordered,
11631 c_parser_omp_sections_scope, c_parser_omp_sections,
11632 c_parser_omp_parallel, c_parser_omp_single,
11633 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11634 * c-pragma.c (init_pragma): Do omp pragma registration here.
11635 * c.opt (fopenmp): New flag.
11637 2006-01-18 Eric Christopher <echristo@apple.com>
11639 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11640 * config/darwin.h (GOMP_SELF_SPECS): Define.
11642 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11644 * rtl.h: Remove the prototype for reg_alloc.
11646 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11649 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11650 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11651 sjlj and dwarf2 exception handling.
11652 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11653 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11654 * pa/pa.c (function_value): Treat complex and vector types as
11656 (function_arg): Likewise. Only pass scalar floats in the floating
11657 point argument registers.
11658 * pa/t-slibgcc-dwarf-ver: New file.
11659 * pa/t-slibgcc-sjlj-ver: New file.
11660 * pa/t-slibgcc-elf-ver: Delete file.
11662 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11664 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11665 unlikely_test_section_p test.
11667 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11669 * mode-switching.c (optimize_mode_switching): Make it static.
11670 * basic-block.h: Remove the prototype for
11671 optimize_mode_switching.
11673 * modulo-sched.c (sms_schedule): Make it static.
11674 * rtl.h: Remove the prototype for sms_schedule.
11676 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11677 * rtl.h: Remove the prototype for gcse_after_reload_main.
11679 * reg-stack.c (reg_to_stack): Make it static.
11680 * rtl.h: Remove the prototype for reg_to_stack.
11682 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11684 * rtl.h: Remove the prototypes for regrename_optimize and
11685 copyprop_hardreg_forward.
11687 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11689 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11690 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11691 Test against the appropriate null constant for the mode.
11692 If 'fixup_overlap' is true, swap the operands if they overlap.
11693 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11694 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11695 alpha_split_tmode_pair and adjust for above change.
11696 * config/alpha/alpha.md (movtf_internal): Adjust call to
11697 alpha_split_tfmode_pair and rely on it to swap the operands.
11698 (movti_internal): New insn and post-reload splitter.
11699 (movti): New expander.
11701 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11703 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11706 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11708 * rtlanal.c (global_reg_mentioned_p_1,
11709 global_reg_mentioned_p): Remove.
11710 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11712 * flow.c (initialize_uninitialized_subregs): Make it static.
11713 * rtl.h: Remove the prototype for
11714 initialize_uninitialized_subregs.
11716 * function.c (instantiate_virtual_regs): Make it static.
11717 * function.h: Remove the prototype for
11718 instantiate_virtual_regs.
11720 * regmove.c (regmove_optimize, combine_stack_adjustments):
11722 * rtl.h: Remove the prototypes for regmove_optimize and
11723 combine_stack_adjustments.
11725 2006-01-17 Roger Sayle <roger@eyesopen.com>
11727 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11728 (size_cost): Encode costs in bytes so that a reg-reg addition is
11729 equivalent to COSTS_N_INSNS(1).
11730 (override_options): Use the size_cost.branch_cost as the default
11731 ix86_branch_cost when optimizing for size.
11733 2006-01-18 Ben Elliston <bje@au.ibm.com>
11735 * Makefile.in (D32PBIT_FUNCS): New.
11736 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11737 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11738 D64PBIT_FUNCS and D128PBIT_FUNCS.
11739 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11740 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11742 (decnumber_dep): Define.
11743 * doc/libgcc.texi (Decimal float library routines): New node.
11744 * config/dfp-bit.h, config/dfp-bit.c: New files.
11746 2006-01-18 Ben Elliston <bje@au.ibm.com>
11748 * expr.c (emit_move_change_mode): Always adjust addresses, not
11749 just during reload. Copy replacements only during reload.
11750 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11751 emit_move_via_integer.
11753 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11755 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11756 instead of $(srcdir) and ${srcdir}.
11758 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11761 PR middle-end/11135
11762 * arm.h (struct machine_function): Add pic_reg.
11763 * arm.c (arm_pic_register): Make unsigned.
11764 (arm_override_options): Only set arm_pic_register if
11765 TARGET_SINGLE_PIC_BASE.
11766 (use_return_insn): Only test for a pic register if it is fixed.
11767 (arm_compute_save_reg0_reg12_mask): Likewise.
11768 (thumb_compute_save_reg_mask): Likewise.
11769 (legitimate_pic_operand): Factor out some known invariants.
11770 (legitimize_pic_address): If we don't have a fixed pic register,
11771 then set up a pseudo in the function entry sequence. Handle the
11772 pic base being in a pseudo.
11773 (arm_load_pic_register): Handle the pic register being in a pseudo.
11774 (arm_expand_prologue): Only set up the pic register if it is fixed.
11775 (thumb_expand_prologue): Likewise.
11776 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11777 (pic_load_addr_based_insn): Likewise.
11778 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11781 2006-01-18 Ben Elliston <bje@au.ibm.com>
11783 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11784 decimal float modes for all floating point registers.
11786 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11787 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11789 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11792 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11793 even when the pointer is not NULL.
11795 2006-01-16 Ian Lance Taylor <ian@airs.com>
11797 * common.opt (ftoplevel-reorder): New option.
11798 * cgraph.c (cgraph_asm_nodes): New global variable.
11799 (cgraph_asm_last_node): New static variable.
11800 (cgraph_order): New global variable.
11801 (cgraph_create_node): Set new order field.
11802 (cgraph_varpool_node): Likewise.
11803 (decide_is_variable_needed): Return true if not
11804 flag_toplevel_reorder.
11805 (cgraph_add_asm_node): New function.
11806 * cgraph.h (struct cgraph_node): Add order field.
11807 (struct cgraph_varpool_node): Add order field.
11808 (struct cgraph_asm_node): Define.
11809 (cgraph_asm_nodes, cgraph_order): Declare.
11810 (cgraph_add_asm_node): Declare.
11811 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11813 (cgraph_varpool_assemble_pending_decls): Call it.
11814 (cgraph_output_pending_asms): New static function.
11815 (cgraph_finalize_compilation_unit): Call it.
11816 (struct cgraph_order_sort): Define.
11817 (cgraph_output_in_order): New static function.
11818 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11819 !flag_toplevel_reorder case.
11820 * c-parser.c: Include "cgraph.h".
11821 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11823 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11824 than -fno-unit-at-a-time.
11825 * doc/invoke.texi (Option Summary): Mention
11826 -fno-toplevel-reorder.
11827 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11828 -funit-at-a-time documentation.
11830 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11831 Kazu Hirata <kazu@codesourcery.com>
11833 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11835 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11837 * Makefile.in (FUNCTION_H): New. Use it instead of
11838 function.h throughout the file.
11839 * function.h: Include tree.h.
11841 2006-01-17 Ben Elliston <bje@au.ibm.com>
11843 * recog.c: Separate some functions with whitespace.
11845 2006-01-16 Richard Henderson <rth@redhat.com>
11847 Merge from gomp branch:
11848 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11849 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11850 and rename from struct inline_data. Rename callee* to dst*;
11851 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11852 transform_new_cfg, transform_return_to_modify, and
11853 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11855 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11856 (copy_decl_for_dup): Remove.
11857 * tree-inline.c (struct inline_data): Move to header.
11858 (insert_decl_map): Export.
11859 (remap_decl): Update for member name changes. Use copy_decl hook.
11860 Allow for replacement to be a non-decl. Remove dead code.
11861 (remap_type_1): Check for existing mapping.
11862 (remap_type): Export.
11863 (remap_decls): Update for member name changes.
11864 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11865 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11866 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11867 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11868 (tree_function_versioning, build_duplicate_type): Likewise.
11869 (copy_body_r): Likewise. Export.
11870 (copy_decl_for_dup): Split into ...
11871 (copy_decl_for_dup_finish, copy_decl_to_var,
11872 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11873 (replace_ref_tree, inlining_p): Remove.
11875 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11877 * ifcvt.c (if_convert): Make it static.
11878 * rtl.h: Remove the prototype for if_convert.
11880 * local-alloc.c (local_alloc): Make it static.
11881 * rtl.h: Remove the prototype for local_alloc.
11883 * loop.c (loop_optimize): Make it static.
11884 * cfgloop.h: Remove the prototype for loop_optimize.
11887 2006-01-16 DJ Delorie <dj@redhat.com>
11889 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11892 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11894 * pa.md: Disparage copies between general and floating-point registers
11895 in 32-bit move patterns.
11897 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11900 * Makefile.in (check-%): Depend on site.exp instead of
11901 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11904 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11906 * global.c (global_alloc): Make it static.
11907 * rtl.h: Remove the prototype for global_alloc.
11909 2006-01-16 Richard Guenther <rguenther@suse.de>
11911 * tree-ssa-alias.c (struct used_part): Add write_only field.
11912 (get_or_create_used_part_for): Initialize it to true.
11913 (create_overlap_variables_for): Don't create structure variables
11914 for structures that only are written to.
11915 (find_used_portions): Handle MODIFY_EXPR to track whether a
11916 structure is only written to.
11918 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11920 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11922 * basic-block.h: Remove the prototype for
11923 partition_hot_cold_basic_blocks.
11925 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11927 * cppspec.c (lang_specific_spec_functions): Remove.
11928 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11929 * gcc.h (lang_specific_spec_functions): Remove.
11930 * gccspec.c (lang_specific_spec_functions): Remove.
11932 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11934 * combine.c (record_value_for_reg): Invalidate registers
11936 (record_dead_and_set_regs_1): Likewise, by passing them to
11937 record_value_for_reg.
11938 (record_dead_and_set_regs): Invalidate stores made by a
11939 call. We do not combine across a call, but we still
11940 relied on equivalences.
11942 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11944 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11945 vrp_int_const_binop returning non-constant nodes.
11947 2006-01-16 Paul Brook <paul@codesourcery.com>
11949 * config/m68k/m68k.c (output_move_const_into_data_reg):
11950 Output correct mnemonic for mvz and mvs.
11952 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11954 * rtl-factoring.c: Add sequence abstraction algorithm.
11955 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11956 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11958 (block_has_preserve_label): New function.
11959 * common.opt: Register new pass.
11960 * Makefile.in: Ditto.
11962 * timevar.def: Ditto.
11963 * tree-pass.h: Ditto.
11964 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11965 * rtl.h (make_jump_insn_raw): Add forward decl.
11966 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11968 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11969 Roger Sayle <roger@eyesopen.com>
11971 * fold-const.c (fold_minmax): New static function.
11972 (fold_binary) <MIN_EXPR>: Call it.
11973 <MAX_EXPR>: Likewise.
11974 * stor-layout.c (place_field): Use DECL_SIZE consistently
11975 in the computation of the new record size.
11977 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11979 * cse.c (cse_condition_code_reg): Make it static.
11980 * rtl.h: Remove the prototype for cse_condition_code_reg.
11982 * combine.c (combine_instructions): Make it static.
11983 * rtl.h: Remove the prototype for combine_instructions.
11985 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11988 * tree.c (get_file_function_name_long): Concatenate the first global
11989 object name with a string derived from the input filename of the object
11992 2006-01-16 Ben Elliston <bje@au.ibm.com>
11994 * config/i386/winnt-stubs.c: Update FSF address.
11995 * config/xtensa/ieee754-df.S: Ditto.
11996 * config/xtensa/ieee754-sf.S: Ditto.
11998 2006-01-14 Ian Lance Taylor <ian@airs.com>
12000 * ifcvt.c (noce_init_if_info): New static function, broken out of
12001 noce_process_if_block.
12002 (noce_process_if_block): Call noce_init_if_info.
12003 (check_cond_move_block): New static function.
12004 (cond_move_process_if_block): New static function.
12005 (process_if_block): Call cond_move_process_if_block.
12007 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12009 * cselib.c (hash_table): Rename to cselib_hash_table.
12010 (cselib_clear_table, discard_useless_values,
12011 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12012 cselib_init, cselib_finish): Adjust uses of hash_table.
12014 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12016 PR tree-optimization/25485
12017 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12018 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12019 is known to be false and true, respectively.
12021 2006-01-14 Richard Guenther <rguenther@suse.de>
12023 PR tree-optimization/22548
12024 PR tree-optimization/22555
12025 PR tree-optimization/22501
12026 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12027 * params.def (salias-max-array-elements): New parameter.
12028 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12029 * doc/invoke.texi (salias-max-array-elements): Document.
12030 * tree-flow-inline.h (var_can_have_subvars): We also handle
12032 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12034 * tree-ssa-structalias.c (params.h): Include.
12035 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12036 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12037 (get_constraint_for): For ADDR_EXPR operating on something
12038 containing an ARRAY_REF, add all subvars to the solution.
12039 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12040 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12041 for creating MUST_DEFs.
12042 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12044 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12046 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12048 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12049 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12050 number_of_iterations_le): New functions.
12051 (number_of_iterations_special): Removed.
12052 (number_of_iterations_exit): Do not use number_of_iterations_special.
12053 * tree.c (unsigned_type_for): Always return integer type.
12055 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12056 Richard Guenther <rguenther@suse.de>
12058 PR rtl-optimization/24257
12059 * gcse.c (find_moveable_store): Only consider a store movable
12060 when the SET_SRC of the insn can be assigned to a register.
12062 2006-01-14 Ian Lance Taylor <ian@airs.com>
12064 * tree.c (tree_not_class_check_failed): New function.
12065 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12066 (tree_not_class_check_failed): Declare.
12068 2006-01-13 Ian Lance Taylor <ian@airs.com>
12070 * reload1.c (do_output_reload): Add assertion rejecting a
12073 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12075 * combine.c (struct reg_stat): Add new fields truncation_label and
12077 (record_value_for_reg): Reset truncated_to_mode.
12078 (record_truncated_value): New function.
12079 (check_promoted_subreg): Call it. Rename to check_conversions.
12080 (combine_instructions): Rename check_promoted_subreg to
12082 (reg_truncated_to_mode): New function.
12083 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12084 (gen_lowpart_or_truncate): New function.
12085 (force_to_mode): Use it instead of gen_lowpart.
12087 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12089 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12090 VAR is a tag, not its type tag.
12092 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12094 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12095 alternatives to match style of other entries.
12096 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12098 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12100 PR tree-optimization/25771
12101 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12104 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12107 * tree-inline.c (declare_return_variable): If the return variable
12108 was marked as a non gimple complex, set the return slot variable
12109 to be a non gimple comple variable.
12111 2006-01-13 Richard Guenther <rguenther@suse.de>
12113 * builtins.c (expand_builtin_sincos): New function.
12114 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12116 (expand_builtin): Expand sincos using expand_builtin_sincos.
12118 2006-01-12 DJ Delorie <dj@redhat.com>
12120 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12121 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12122 so that constant shifts can be split.
12123 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12124 (m32c_valid_pointer_mode): Make static.
12125 (shift_gen_func_for): New.
12126 (m32c_prepare_shift): Use it. Split large const shifts into
12128 * config/m32c/predicates.md (shiftcount_operand): Allow more
12130 (longshiftcount_operand): New.
12131 * doc/md.texi (Machine Constraints): Document In6.
12133 2006-01-13 Ben Elliston <bje@au.ibm.com>
12135 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12136 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12139 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12141 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12142 to try to avoid clobbering pieces of structures when we know
12143 something about the whole structure.
12144 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12146 2006-01-13 Ben Elliston <bje@au.ibm.com>
12148 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12149 return in memory, as this is no limitation is no longer present.
12151 2006-01-12 DJ Delorie <dj@redhat.com>
12153 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12154 mova with fb, and for fb+0 -> An.
12156 * config/m32c/mov.md (peephole2): Fix enabling logic.
12158 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12159 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12160 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12161 FINI_ARRAY_SECTION_ASM_OP): Define.
12163 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12165 (m32c_legitimize_reload_address): New logic to reload FB to An.
12166 (m32c_output_reg_push): Add newline.
12167 (m32c_output_reg_pop): Likewise.
12169 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12171 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12173 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12175 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12177 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12179 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12182 2006-01-11 Ben Elliston <bje@au.ibm.com>
12184 * rtlanal.c (find_reg_note): Assert insn is not null.
12186 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12188 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12191 2006-01-11 Jeff Law <law@redhat.com>
12193 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12195 (mark_threaded_blocks, register_jump_thread): New functions.
12196 (thread_through_all_blocks): Remove unwanted argument. No
12197 longer rely on e->aux to communicate thread target info.
12198 Call mark_threaded_blocks. Release the threaded_blocks
12199 bitmap and threaded_edges vector when complete.
12200 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12201 (threaded_blocks): Remove.
12202 (tree_ssa_dominator_optimize): Remove initialization and
12203 finalization of threaded_blocks. Simplify call to
12204 thread_through_all_blocks.
12205 (thread_across_edge): Call register_jump_thread rather than
12206 storing thread information into e->aux.
12207 (free_all_edge_infos): Simplify now that e->aux is no longer
12208 used to communicate with thread_through_all_blocks.
12209 * tree-flow.h (thread_through_all_blocks): Update prototype.
12210 (register_jump_thread): Prototype.
12212 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12214 * df-core.c (df_compact_blocks, df_bb_replace): Use
12215 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12217 2006-01-11 Richard Guenther <rguenther@suse.de>
12219 PR tree-optimization/25734
12220 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12221 stop propagation after successful propagation to the LHS.
12223 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12225 * basic-block.h (control_flow_graph): Change the type of
12226 x_basic_block_info to VEC(basic_block,gc) *.
12227 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12229 (SET_BASIC_BLOCK): New.
12230 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12231 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12232 * cfgbuild.c (find_basic_blocks): Likewise.
12233 * cfglayout.c (fixup_reorder_chain): Likewise.
12234 * cfgrtl.c (create_basic_block_structure,
12235 rtl_create_basic_block): Likewise.
12236 * ifcvt.c (find_if_case_1): Likewise.
12237 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12240 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12242 * Makefile.in: Removed rotted odf.c entry.
12244 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12247 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12248 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12249 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12250 output pattern modifier, not %e.
12251 * config/cris/cris.c (cris_op_str): Update comment about pattern
12253 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12254 before falling through into...
12255 <case 'E'>: Redefined from old 'e' case.
12257 2006-01-11 Jan Hubicka <jh@suse.cz>
12260 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12262 2006-01-11 Jan Hubicka <jh@suse.cz>
12264 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12265 * i386.c (x86_decompose_lea): Kill.
12266 (ix86_rtx_costs): Kill.
12268 2006-01-11 Jan Hubicka <jh@suse.cz>
12270 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12271 * cgraph.h (cgraph_node): Add inline_decl.
12272 (cgraph_insert_node_to_hashtable): Declare.
12273 (save_inline_function_body): Declare.
12274 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12276 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12277 (cgraph_function_versioning): Update call of tree_function_versioning.
12278 (save_inline_function_body): New function.
12279 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12280 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12281 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12282 (cgraph_default_inline_p): Likewise.
12283 (cgraph_decide_inlining_incrementally): Likewise.
12284 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12285 (copy_bb): Kill saving; do updating of clones.
12286 (copy_cfg_body): Kill saving.
12287 (initialize_inlined-parameters): Likewise.
12288 (expand_call_inline): Likewise.
12290 (tree_function_versioning): New parameter "update_clones".
12291 (inlining_p): Kill saving.
12292 * tree-inline.h (tree_function_versioning): Update prototype.
12293 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12296 2006-01-11 Ian Lance Taylor <ian@airs.com>
12298 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12299 Allow undoing set of machine mode.
12300 (do_SUBST): Use enums instead of is_int.
12301 (do_SUBST_MODE): New function.
12302 (SUBST_MODE): New macro.
12303 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12304 reg and trying to replace reg_regno_rtx with a new register.
12305 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12306 (simplify_set): Use SUBST_MODE.
12307 (distribute_notes): Remove code that tried to update reg notes
12308 for regno_reg_rtx changes.
12310 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12312 PR tree-optimization/23109
12313 PR tree-optimization/23948
12314 PR tree-optimization/24123
12316 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12317 * tree-cfg.c (single_noncomplex_succ): New.
12318 * tree-flow.h (single_noncomplex_succ): Declare it.
12319 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12320 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12321 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12322 insert_bb, register_division_in, insert_reciprocals,
12323 replace_reciprocal, free_bb): New.
12324 (execute_cse_reciprocals_1): Rewritten.
12325 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12326 Do not commit any edge insertion. Always compute dominators and
12327 create the allocation pool.
12328 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12329 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12330 * targhooks.c (default_min_divistions_for_recip_mul): New.
12331 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12332 * passes.c (init_optimization_passes): Run recip after tree loop
12334 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12336 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12337 Kenneth Zadeck <zadeck@naturalbridge.com>
12339 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12340 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12341 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12342 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12343 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12344 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12345 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12346 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12347 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12348 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12349 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12350 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12351 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12352 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12353 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12354 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12355 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12356 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12357 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12358 DF_SCAN_POST_ALLOC): New macros.
12359 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12360 df_free_bb_function, df_local_compute_function, df_init_function,
12361 df_dataflow_function, df_confluence_function_0,
12362 df_confluence_function_n, df_transfer_function,
12363 df_finalizer_function, df_free_function, df_dump_problem_function,
12364 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12365 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12366 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12367 df_urec_bb_info, ) New types.
12368 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12370 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12371 df_analyze_simple_change_some_blocks,
12372 df_analyze_simple_change_one_block, df_compact_blocks,
12373 df_bb_replace, df_bb_regno_last_use_find,
12374 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12375 df_insn_regno_def_p, df_find_def, df_find_use,
12376 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12377 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12378 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12379 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12380 debug_df_chain, df_get_dependent_problem, df_chain_create,
12381 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12382 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12383 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12384 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12385 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12386 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12387 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12388 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12389 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12390 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12391 df_reorganize_refs, df_set_state, df_hard_reg_init,
12392 df_read_modify_subreg_p) New public functions.
12393 * df-core.c: The core dataflow solver and glue routines for rtl
12395 (df_init, df_add_problem, df_set_blocks, df_finish,
12396 df_hybrid_search_forward, df_hybrid_search_backward,
12397 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12398 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12399 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12400 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12401 df_reg_defined, df_find_use, df_reg_used, df_dump,
12402 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12403 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12404 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12405 debug_df_useno, reset_df_after_reload): New functions.
12406 * df-scan.c: The scanning fuctions, once in df.c, completely
12407 rewritten so that they now fully model the functionality of
12408 register usage at the backend.
12409 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12410 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12411 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12412 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12413 df_get_artificial_defs, df_get_artificial_uses,
12414 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12415 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12416 df_refs_delete, df_reorganize_refs, df_set_state,
12417 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12418 df_def_record_1, df_defs_record, df_uses_record,
12419 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12420 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12421 df_record_exit_block_uses, df_hard_reg_init): New functions.
12423 * df-problems.c: Seven concrete dataflow problems that use the
12424 scanning in df-scan.c and are solved by the engine in df-core.c.
12425 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12426 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12427 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12428 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12429 df_ru_free_bb_info, df_ru_alloc,
12430 df_ru_bb_local_compute_process_def,
12431 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12432 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12433 df_ru_transfer_function, df_ru_free, df_ru_dump,
12434 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12435 df_rd_free_bb_info, df_rd_alloc,
12436 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12437 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12438 df_rd_transfer_function, df_rd_free, df_rd_dump,
12439 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12440 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12441 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12442 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12443 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12444 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12445 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12446 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12447 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12448 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12449 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12450 df_urec_mark_reg_use_for_earlyclobber,
12451 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12452 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12453 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12454 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12455 df_chain_create_bb_process_use, df_chain_create_bb,
12456 df_chain_finalize, df_chain_free, df_chains_dump,
12457 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12458 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12459 df_reg_lifetime): New functions.
12460 * df.c: Deleted file.
12461 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12462 consistent with new df api.
12463 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12464 rest_of_handle_sms): Ditto.
12465 * web.c (unionfind_union, union_defs, entry_register, web_main):
12467 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12468 invariant_expr_equal_p, find_defs, check_dependencies,
12469 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12470 free_inv_motion_data, move_loop_invariants): Ditto.
12471 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12472 Update dependencies.
12473 (odf.c): Added defective entry that was deleted later in day.
12474 * sched-deps.c (sched_analyze_1): Ditto.
12476 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12478 * tree-ssa-operands.c (get_expr_operands): Record addressable
12479 variables directly. Do not call add_stmt_operands for CONST_DECLs
12481 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12482 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12484 2006-01-11 Ben Elliston <bje@au.ibm.com>
12486 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12487 function returns true in the positive case.
12489 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12492 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12493 for SI, DI, SF and DF modes. Add alternatives to copy between
12494 general and floating point registers to the 32-bit patterns.
12495 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12496 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12497 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12498 generating 64-bit code.
12499 * config/pa/pa.c (output_move_double): Handle copies between general
12500 and floating registers.
12502 2006-01-10 Stuart Hastings <stuart@apple.com>
12504 * config/i386/i386.md (set_got): Update.
12505 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12506 (builtin_setjmp_receiver): Mach-O support.
12507 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12508 (GOT_SYMBOL_NAME): Define.
12509 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12510 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12511 * config/i386/i386.c (override_options): Revise for Darwin.
12512 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12513 support. (darwin_x86_file_end): New. (output_set_got): Add label
12514 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12515 * config/i386/i386-protos.h (output_set_got): Likewise.
12516 * config/darwin.c (machopic_legitimize_pic_address): Update
12519 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12521 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12522 when MODE isn't BLKmode.
12524 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12526 PR rtl-optimization/25367
12527 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12529 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12532 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12533 for a negative bound.
12535 2006-01-10 Richard Guenther <rguenther@suse.de>
12537 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12538 Never override with anything constraint.
12540 2006-01-10 Jan Beulich <jbeulich@novell.com>
12542 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12543 256 bits when optimize_size.
12545 2006-01-10 Jan Beulich <jbeulich@novell.com>
12547 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12549 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12550 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12553 2006-01-10 Ben Elliston <bje@au.ibm.com>
12555 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12557 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12558 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12559 (USE_FP_FOR_ARG): Reject decimal float modes.
12560 (function_arg_advance): Likewise.
12561 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12562 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12563 point types in AltiVec vectors.
12564 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12565 (rs6000_libcall_value): Likewise.
12567 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12569 * config/xtensa/ieee754-df.S: New file.
12570 * config/xtensa/ieee754-sf.S: New file.
12571 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12572 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12573 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12575 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12577 * config/sh/predicates.md (binary_float_operator,
12578 binary_logical_operator, commutative_float_operator,
12579 equality_comparison_operator, greater_comparison_operator,
12580 less_comparison_operator, logical_operator,
12581 noncommutative_float_operator, shift_operator,
12582 symbol_ref_operand, unary_float_operator): Remove redundant
12585 2006-01-09 Jeff Law <law@redhat.com>
12587 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12588 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12589 now unused arguments. Callers updated.
12590 (eliminate_redundant_computations): Remove now unused arguments,
12592 (local_fold): Remove, no longer used.
12593 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12595 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12596 (simplify_cond): New function.
12597 (forward_propagate_into_cond): Call simplify_cond.
12599 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12601 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12602 (*vec_extractv2di_1_sse): New.
12604 2006-01-09 Ben Elliston <bje@au.ibm.com>
12606 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12608 2006-01-08 Richard Guenther <rguenther@suse.de>
12610 * tree-ssa-structalias.c (get_constraint_for): Remove
12611 anyoffset argument.
12612 (get_constraint_for_component_ref): Likewise.
12613 (do_deref): Likewise.
12614 (get_constraint_for): Likewise.
12615 (do_structure_copy): Likewise.
12616 (handle_ptr_arith): Likewise.
12617 (find_func_aliases): Likewise. Remove unused need_anyoffset
12620 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12621 Kaz Kojima <kkojima@gcc.gnu.org>
12623 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12624 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12625 (EXTRA_CONSTRAINT_C16): Remove.
12626 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12627 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12628 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12629 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12630 constants of SHmedia. Handle nested constant expressions of
12632 (andcosts): Fix the costs for SHmedia constants.
12633 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12634 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12635 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12636 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12637 (movv4hi_i, movv2si_i): Likewise.
12638 (movsi_const): Adjust the second operand of ior so to match with
12639 the Csu constraint.
12640 (movdi_const, movdi_const_32bit): Likewise.
12641 (movdi_const_16bit+1): Don't sign-extend LOW.
12642 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12644 (*double_shori): Fix the split condition. Use GEN_INT instead
12645 of get_int_mode calls. Mask lower 16-bit of the argument of
12647 (sym2GOTPLT): Remove.
12648 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12650 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12651 instead of EXTRA_CONSTRAINT_C16.
12653 2006-01-07 Ian Lance Taylor <ian@airs.com>
12654 David Edelsohn <edelsohn@gnu.org>
12656 PR rtl-optimization/25662
12657 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12658 for constant operands instead of simplify_gen_binary.
12659 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12660 after trying simplify_binary_operation
12662 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12664 * tree.c (iterative_hash_expr): Hash decls based on UID.
12666 2006-01-06 Eric Christopher <echristo@apple.com>
12668 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12669 (TARGET_UNWIND_EMIT): Fix spelling.
12670 * target.h (gcc_target): Add except_table_label.
12671 * except.c (output_function_exception_table): Use.
12672 * varasm.c (default_emit_except_table_label): New.
12673 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12675 (asm_out): Add here.
12676 * output.h (default_emit_except_table_label): Prototype.
12677 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12678 * config/darwin.c (darwin_emit_except_table_label): Define.
12679 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12681 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12683 PR tree-optimization/18527
12684 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12685 number_of_iterations_special, number_of_iterations_exit):
12686 Move base and step of an iv to a single structure. Add
12687 no_overflow flag, and use it in # of iterations analysis.
12688 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12689 folded_casts argument.
12690 (simple_iv): Pass base and step in a structure. Set no_overflow
12692 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12693 Evaluate expensiveness of computing # of iterations instead of
12694 the final expression.
12695 * tree-scalar-evolution.h (affine_iv): New structure.
12696 (simple_iv): Declaration changed.
12697 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12698 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12699 find_givs_in_stmt): Changed due to simple_iv change.
12701 2006-01-06 Jeff Law <law@redhat.com>
12704 * tree-cfg.c (bsi_replace): Rename final argument from
12705 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12706 change (stmt -> orig_stmt).
12707 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12708 (bsi_remove): Add new argument. Remove EH information
12710 (verify_eh_throw_table_statements): New function.
12711 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12713 * tree-optimize.c (execute_free_cfg_annotations): Verify
12714 the EH throw statement table after removing annotations.
12715 * except.h (verify_eh_throw_table_statements): Prototype.
12716 * tree-flow.h (bsi_remove): Update prototype.
12717 * tree-vrp.c (remove_range_assertions): Add new argument to
12719 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12720 * tree-complex.c (expand_complex_div_wide): Likewise.
12721 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12722 * tree-tailcall.c (eliminate_tailcall): Likewise.
12723 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12724 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12725 * tree-nrv.c (tree_nrv): Likewise.
12726 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12727 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12728 (combine_blocks): Likewise.
12729 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12730 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12731 (cleanup_control_flow): Likewise.
12732 (remove_forwarder_block): Likewise.
12733 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12734 * tree-sra.c (sra_replace): Likewise.
12735 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12736 (forward_propagate_single_use_vars): Likewise.
12737 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12738 * tree-inline.c (expand_call_inline): Likewise.
12739 * tree-vect-transform.c (vect_transform_loop): Likewise.
12740 * tree-outof-ssa.c (rewrite_trees): Likewise.
12741 * tree-cfg.c (make_goto_expr_edges): Likewise.
12742 (cleanup_dead_labels): Likewise.
12743 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12744 (bsi_move_before, bsi_move_after): Likewise.
12745 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12746 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12748 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12751 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12753 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12754 on non gimple variables. Also add checks at the top for decls and
12756 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12758 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12759 and IMAGPART_EXPR for creating MUST_DEFs.
12760 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12761 and NAME_MEMORY_TAG separately from the DECLs.
12763 2006-01-06 Richard Guenther <rguenther@suse.de>
12765 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12766 annotation, if necessary.
12767 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12768 redundant calls to update_stmt.
12769 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12772 2006-01-05 Richard Henderson <rth@redhat.com>
12774 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12776 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12778 * c-typeck.c: Update copyright date.
12780 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12782 * c-typeck.c (build_c_cast): Always warn when casting
12783 from a pointer to an integer of different size, even if
12784 the node was constant.
12786 2006-01-05 Richard Guenther <rguenther@suse.de>
12788 PR tree-optimization/22555
12789 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12790 if one structure field is an array.
12791 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12792 operands even if we found a subvar, but ignore VOPs in this
12794 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12796 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12798 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12800 PR middle-end/24998
12801 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12803 2006-01-05 Richard Guenther <rguenther@suse.de>
12804 Diego Novillo <dnovillo@redhat.com>
12806 * tree-pass.h (TODO_remove_unused_locals): Define.
12807 * gimple-low.c (expand_var_p, remove_useless_vars,
12808 pass_remove_useless_vars): Remove. Update all users.
12809 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12810 (remove_unused_locals): New function.
12811 * tree-flow.h (remove_unused_locals): Declare.
12812 * passes.c (execute_todo): Call remove_unused_locals if
12813 TODO_remove_unused_locals is set.
12814 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12815 * tree-ssa-dce.c (pass_dce): Likewise.
12816 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12818 2006-01-05 Richard Guenther <rguenther@suse.de>
12820 * tree-flow.h (struct fieldoff): Decompose field to
12821 type, size and decl.
12822 * tree-ssa-alias.c (create_sft): Take type as parameter.
12823 (create_overlap_variables_for): Store type, size and decl
12824 in the fieldoff structure.
12825 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12826 of struct fieldoff.
12827 (push_fields_onto_fieldstack): Likewise.
12828 (create_variable_info_for): Likewise. Use offset for the
12829 SFT name if the decl is not available.
12831 2006-01-04 Paul Brook <paul@codesourcery.com>
12833 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12835 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12837 * lambda-code.c (can_put_in_inner_loop): Relax
12839 (can_put_after_inner_loop): New function.
12840 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12841 (perfect_nestify): Change to make copies and modify uses.
12843 2006-01-04 Richard Henderson <rth@redhat.com>
12845 Merge from gomp branch:
12846 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12847 via integer constant.
12848 (pragma_lex): Remove.
12849 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12850 rather than parsing it.
12851 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12852 handle_pragma_extern_prefix): Add %< %> quotes.
12853 (registered_pragmas): New.
12854 (c_register_pragma_1): New.
12855 (c_register_pragma): Use it.
12856 (c_register_pragma_with_expansion): Likewise.
12857 (c_invoke_pragma_handler): New.
12858 (init_pragma): Use cpp_register_deferred_pragma directly for
12860 * c-pragma.h (enum pragma_kind): New.
12861 (pragma_handler): New.
12862 (c_invoke_pragma_handler): Declare.
12863 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12865 * c-common.h (c_common_pch_pragma): Update decl.
12866 * Makefile.in (c-parser.o): Update dependencies.
12867 (GTFILES): Add c-pragma.h.
12868 * c-parser.c (struct c_token): Add pragma_kind.
12869 (struct c_parser): Add in_pragma.
12870 (c_lex_one_token): Always initialize keyword and pragma_kind.
12871 Extract data for CPP_PRAGMA.
12872 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12873 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12874 Don't allow CPP_PRAGMA_EOL if in_pragma.
12875 (c_parser_consume_pragma): New.
12876 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12877 (c_parser_skip_to_end_of_parameter): Likewise.
12878 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12879 (c_parser_skip_to_pragma_eol): New.
12880 (c_parser_external_declaration): Handle CPP_PRAGMA.
12881 (c_parser_compound_statement_nostart): Likewise.
12882 (c_parser_statement_after_labels): Likewise.
12883 (c_parser_pragma): New.
12884 (pragma_lex): Likewise.
12885 (c_parser_pragma_pch_preprocess): New.
12886 (c_parser_new): Merge into ...
12887 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12889 2006-01-04 Jeff Law <law@redhat.com>
12892 * tree-cfg.c (bsi_replace): Remove the original statement
12893 from the EH throw statement table.
12895 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12897 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12898 make the prototype extern "C" and add throw ().
12901 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12902 and pos non-negative and pos + len <= 32.
12903 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12904 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12905 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12908 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12909 as well as sizes not multiple of component size.
12912 * function.c (instantiate_expr): New function.
12913 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12914 walk its DECL_VALUE_EXPR with instantiate_expr.
12916 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12917 DW_OP_deref{,_size} if address isn't going to be added.
12919 2006-01-04 Ben Elliston <bje@au.ibm.com>
12921 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12922 * config/fp-bit.c: Likewise.
12924 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12926 * dominance.c: Add comment about why we use DFS numbering
12929 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12930 Richard Henderson <rth@redhat.com>
12932 Merge from gomp-branch:
12933 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12934 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12936 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12938 PR rtl-optimization/25578
12939 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12940 pass a parameter to simplify_shift_const if changing ASHIFTRT
12943 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12945 * builtins.c (get_builtin_sync_mem): New function.
12946 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12947 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12948 Call get_builtin_sync_mem to generate mem rtx.
12950 2006-01-03 Richard Guenther <rguenther@suse.de>
12953 * stmt.c (add_case_node): Make sure to clear overflow flags
12956 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12958 Merge from gomp-branch.
12959 * config/sparc/sync.md: New file.
12960 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12961 UNSPECV_LDSTUB): New constants.
12962 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12963 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12964 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12967 2006-01-03 Roger Sayle <roger@eyesopen.com>
12969 * combine.c (reg_subword_p): New predicate to test whether the
12970 destination of a set refers to a subword/piece of a register.
12971 (try_combine): Generalize the code to merge the setting of a
12972 pseudo to a constant followed by a set of a subword of that
12973 register to a constant.
12975 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12977 * basic-block.h (control_flow_graph): Change the type of
12978 x_label_to_block_map to VEC(basic_block,gc) *.
12979 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12980 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12982 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12983 VEC(basic_block,heap) *.
12984 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12985 ssa_prop_fini): Adjust the uses of cfg_blocks.
12987 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12989 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12991 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12992 hashing trees instead of a pointer hash.
12993 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12994 compare for MEM_EXPR.
12996 PR rtl-optimization/25130
12997 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12998 when comparing MEMs for GCSE
13000 2006-01-03 Ben Elliston <bje@au.ibm.com>
13002 * targhooks.h (default_decimal_float_supported_p): Declare.
13003 * targhooks.c (default_decimal_float_supported_p): Define.
13004 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13005 `default_decimal_float_supported_p'.
13006 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13008 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13010 * combine.c (apply_distributive_law <SUBREG>): Check
13011 TRULY_NOOP_TRUNCATION.
13013 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13015 * dwarf2out.c (have_switched_text_section): Delete.
13016 (have_multiple_function_sections): New.
13017 (have_location_lists): Make 'bool'.
13018 (add_AT_loc_list): Use 'true' not '1'.
13019 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13020 (output_loc_list): Use have_multiple_function_sections.
13021 (output_ranges): Likewise.
13022 (dwarf2out_begin_function): Set have_multiple_function_sections if
13024 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13025 Check function_section rather than DECL_SECTION_NAME.
13026 (dwarf2out_finish): Use have_multiple_function_sections.
13027 Don't clear have_location_lists.
13029 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13030 Jan Hubicka <jh@suse.cz>
13032 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13033 case of conditional jump jumping to the next instruction.
13034 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13035 cases of conditional jump jumping to the next instruction.
13037 2006-01-02 Jan Hubicka <jh@suse.cz>
13039 * i386.c (*_cost): Add COSTS_N_INSNS.
13040 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13042 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13045 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13047 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13049 * config/arm/arm.c (all_fpus): Fix comment typo.
13050 * config/darwin.c: Likewise.
13051 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13052 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13053 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13055 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13057 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13058 (rs6000_split_compare_and_swapqhi): New.
13059 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13060 (sync_compare_and_swapqhi_internal): New.
13061 * config/rs6000/rs6000-protos.h: Declare.
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