1 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5 (umulhisi3_r): Likewise.
7 2006-07-12 Paolo Carlini <pcarlini@suse.de>
10 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
11 x < 19, vs wchar_t support.
13 2006-07-12 Nick Clifton <nickc@redhat.com>
15 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
18 2006-07-12 Mike Stump <mrs@apple.com>
21 * c-parser.c (c_parser_typeof_specifier): Don't use
22 c_finish_expr_stmt, open code desired semantics instead.
24 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
26 2006-07-10 Eric Christopher <echristo@apple.com>
28 * config/t-slibgcc-darwin: Rewrite.
30 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
33 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
36 2006-07-08 Matthias Klose <doko@debian.org>
38 * doc/sourcebuild.texi: Fix typo.
40 2006-07-07 Mike Stump <mrs@apple.com>
42 * toplev.c (process_options): Don't give -ffunction-sections may
43 affect debugging warning for Mach-O.
45 2006-07-07 James E Wilson <wilson@specifix.com>
47 * config/mips/mips.md (cpu): Add sb1a.
48 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
49 addition to sb1. Adjust comments to clarify SB-1A differences from
51 (ir_sb1a_load): New. Modify bypasses to use it.
52 (ir_sb1a_simple_alu): Likewise.
53 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
54 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
55 (mips_issue_rate): Add PROCESSOR_SB1A.
56 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
57 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
58 (TARGET_SB1): Add PROCESSOR_SB1A check.
61 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
62 * config/mips/mips.c (mips_store_data_bypass_p): New.
63 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
66 2006-07-08 Paul Brook <paul@codesourcery.com>
69 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
71 2006-07-07 Richard Guenther <rguenther@suse.de>
74 * tree.h (build_one_cst): Declare.
75 * tree.c (build_one_cst): New function.
76 * tree-ssa-math-opts.c (get_constant_one): Remove.
77 (insert_reciprocals): Use build_one_cst.
78 * fold-const.c (fold_plusminus_mult): Likewise.
80 2006-07-07 Roger Sayle <roger@eyesopen.com>
82 * pointer-set.c (pointer_set_destroy): Correct whitespace.
83 * cfgloopanal.c (dump_graph): Likewise.
84 * dojump.c (discard_pending_stack_adjust): Likewise.
85 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
87 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
88 * function.c (finalize_block_changes): Likewise.
89 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
90 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
91 * rtl.c (dump_rtx_statistics): Likewise.
92 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
94 * varray.c (dump_varray_statistics): Likewise.
95 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
96 decode_decimal64, encode_decimal128, decode_decimal128,
97 decimal_real_to_decimal): Likewise.
99 2006-07-07 Richard Guenther <rguenther@suse.de>
101 PR tree-optimization/28187
102 * tree-vrp.c (vrp_operand_equal_p): New function.
103 (vrp_bitmap_equal_p): Likewise.
104 (update_value_range): Use them to compare old and new
107 2006-07-06 Roger Sayle <roger@eyesopen.com>
109 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
110 a default case to switch statement to silence compiler warnings.
112 2006-07-06 Roger Sayle <roger@eyesopen.com>
115 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
116 the configured assembler supports the x87's ffreep mnemonic.
117 * configure: Regenerate.
118 * config.in: Regenerate.
120 * config/i386/i386.c (output_387_ffreep): New function.
121 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
122 (output_387_reg_move): Likewise.
124 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
126 Port to hosts whose 'sort' and 'tail' implementations
127 treat operands with leading '+' as file names, as POSIX
128 has required since 2001. However, make sure the code still
129 works on pre-POSIX hosts.
130 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
131 which says you should use "tail -c +N" rather than "tail +Nc".
132 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
134 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
136 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
139 2006-07-06 David Edelsohn <edelsohn@gnu.org>
142 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
143 PRE_{INC,DEC} of TFmode.
145 2006-07-06 David Edelsohn <edelsohn@gnu.org>
146 Alan Modra <amodra@bigpond.net.au>
149 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
152 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
155 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
156 Remove duplicate gtu.
158 2006-07-05 Jason Merrill <jason@redhat.com>
162 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
163 * c-common.c (handle_packed_attribute): So don't copy it here.
164 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
166 2006-07-05 Mike Stump <mrs@apple.com>
168 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
170 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
173 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
175 2006-07-05 Richard Guenther <rguenther@suse.de>
178 * config/i386/i386.md (*negdf2_1): Restrict pattern to
179 TARGET_SSE2 targets if using SSE math.
180 (*absdf2_1): Likewise.
182 2006-07-05 Richard Guenther <rguenther@suse.de>
184 PR tree-optimization/28162
185 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
186 make sure to convert the operands to the correct type.
188 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
190 PR tree-optimization/28218
192 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
193 to calculate and free the dominator information.
195 2006-07-04 Peter O'Gorman <peter@pogma.com>
197 * mklibgcc.in: chmod 644 before ranlib during install.
199 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
200 J"orn Rennecke <joern.rennecke@st.com>
202 * configure.ac (.eh_frame data check): Use diff -b.
204 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
207 * Makefile.in (BUILD_RTL): Add build/vec.o.
208 (build/gencondmd.o): Filter out -fkeep-inline-functions.
209 (build/genextract): Delete.
210 (build/genautomata): Likewise.
212 2006-07-04 Alan Modra <amodra@bigpond.net.au>
215 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
216 128-bit IBM long doubles for ABI_V4.
218 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
220 * tree.c (range_in_array_bounds_p): New predicate.
221 * tree.h (range_in_array_bounds_p): Declare it.
222 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
223 return a less conservative answer.
224 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
226 (IS_ELEMENT_FOR_GROUP): New macro.
227 (FOR_EACH_ACTUAL_CHILD): Likewise.
228 (next_child_for_group): New helper function.
229 (can_completely_scalarize_p): Take into account groups.
230 (sra_hash_tree): Handle RANGE_EXPR.
231 (sra_elt_eq): Likewise.
232 (lookup_element): Be prepared for handling groups.
233 (is_valid_const_index): Delete.
234 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
235 instead of is_valid_const_index.
236 <ARRAY_RANGE_REF>: New case.
237 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
238 is_valid_const_index.
239 <ARRAY_RANGE_REF>: Do not unconditionally punt.
240 (scan_dump): Dump info for groups too.
241 (decide_instantiation_1): Likewise.
242 (decide_block_copy): Assert that the element is not a group.
243 Propagate decision to groups.
244 (generate_one_element_ref): Handle RANGE_EXPR.
245 (mark_no_warning): Iterate over actual childs.
246 (generate_copy_inout): Likewise.
247 (generate_element_copy): Likewise.
248 (generate_element_zero): Likewise.
249 (generate_element_init_1): Likewise.
250 (dump_sra_elt_name): Handle RANGE_EXPR.
252 2006-07-03 Roger Sayle <roger@eyesopen.com>
254 PR tree-optimization/26251
255 * tree-ssa-threadupdate.c (redirection_block_p): New function.
256 (thread_block): When optimizing for size refuse to thread jumps
257 that would require duplication of blocks other than redirection
260 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
262 * configure.ac: Fix thinko in previous check-in.
263 * configure: Regenerate.
265 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
268 * configure.ac (for lang...): Simplify nesting of conditionals.
269 Test subdir_requires for non-enabled languages. Move processing
270 of lang_opt_files and lang_tree_fiels below that test.
271 * configure: Regenerate.
272 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
274 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
276 * doc/gcov.texi (Invoking Gcov): Add a missing word.
278 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
280 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
283 2006-06-29 Jason Merrill <jason@redhat.com>
290 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
291 * c-common.c (c_determine_visibility): Handle it here.
292 * c-decl.c (finish_decl): Call c_determine_visibility for
294 * flags.h (enum symbol_visibility): Sort from most to least visibility.
296 * varasm.c (default_assemble_visibility): Likewise.
297 * c-common.c (handle_visibility_attribute): Complain about trying
298 to give visibility to an already defined class, or trying to change
299 declared visibility. Always attach the attribute.
304 * attribs.c (decl_attributes): Ignore type-in-place attributes
305 once the type has been defined.
307 2006-06-29 Roger Sayle <roger@eyesopen.com>
310 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
311 to indicate the cpplib has issued an error message for us.
313 2006-06-29 Asher Langton <langton2@llnl.gov>
316 * config/i386/i386.c (ix86_output_function_epilogue): Don't
317 insert a label at the end of an function under Mach-O.
319 2006-06-29 Eric Christopher <echristo@apple.com>
320 Evan Cheng <evan.cheng@apple.com>
322 * predicates.md (vector_all_ones_operand): New.
323 (nonimmediate_or_sse_const_operand): Ditto.
324 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
325 * config/i386/i386.c (standard_sse_constant_opcode): Define.
326 (standard_sse_mode_p): Ditto.
327 (standard_sse_constant_p): Add case for -1 vector.
328 (ix86_expand_vector_move): Try to use.
329 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
330 Call standard_sse_constant_opcode.
331 (*movv4sf_internal): Ditto.
332 (*movv2df_internal): Ditto.
334 2006-06-29 Roger Sayle <roger@eyesopen.com>
336 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
337 of XEXP to extract the operands of a MATCH_CODE rtx.
339 2006-06-28 Andrew Pinski <pinskia@gmail.com>
341 * tree.c (tree_size): Do not waste tail padding in
342 struct tree_string and make the size be the same as
343 build_string will generate.
345 2006-06-28 Jason Merrill <jason@redhat.com>
348 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
349 may_aliases already in the tag's annotations to the bitmap.
351 2006-06-28 Roger Sayle <roger@eyesopen.com>
353 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
355 2006-06-28 Roger Sayle <roger@eyesopen.com>
357 * genpreds.c (generate_switch_p): New function.
358 (add_mode_tests): Push the new mode test down inside an AND expr
359 if this allows the switch-suitable MATCH_CODE to be near the root.
360 (write_match_code_switch): New function to write a MATCH_CODE as
362 (write_predicate_stmts): New function to write a predicate RTX
363 expression as a sequence of statements.
364 (write_one_predicate_function): Use write_predicate_stmts.
365 (write_tm_constrs_h): Likewise.
367 2006-06-26 Fred Fish <fnf@specifix.com>
369 * config/mips/t-sb1: New file.
370 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
373 2006-06-26 DJ Delorie <dj@redhat.com>
375 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
377 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
378 Jayant Sonar <jayants@kpitcummins.com>
379 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
381 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
382 (subsi3, subsi3_1, subsi3_2): New.
383 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
384 * config/m32c/mov.md (SI mov peephole): New.
385 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
386 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
388 2006-06-26 Olivier Hainque <hainque@adacore.com>
390 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
391 a CALL_EXPR target function declaration.
393 2006-06-26 Richard Guenther <rguenther@suse.de>
395 * tree.c (build_string): Do not waste tail padding in
398 2006-06-26 Richard Guenther <rguenther@suse.de>
400 * ggc-page.c (init_ggc): Add missing element to size_lookup
404 2006-06-23 Richard Guenther <rguenther@suse.de>
406 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
407 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
408 alignment requests instead. Add verification code.
409 Add struct tree_function_decl and struct tree_binfo size to
410 extra_order_size_table. Add missing element to size_lookup
413 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
416 * fold-const.c (const_binop): Be prepared for self returning zero.
417 Simplify code handling complex values.
419 2006-06-24 Olivier Hainque <hainque@adacore.com>
421 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
422 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
425 2006-06-24 Olivier Hainque <hainque@adacore.com>
427 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
428 ARRAY_REF, so have the callback called for the low bound expression.
430 2006-06-23 Janis Johnson <janis187@us.ibm.com>
432 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
433 * c-typeck.c (c_common_type): Disallow operations on decimal float
434 types and other float types.
435 * convert.c (convert_to_real): Don't ignore conversions involving
438 2006-06-23 Olivier Hainque <hainque@adacore.com>
440 * tree.c (max_int_size_in_bytes): New function, inspired from
441 code in function.c:assign_temp.
442 * tree.h (max_int_size_in_bytes): Declare.
443 * function.c (assign_temp): Use it.
444 * gimplify.c (create_tmp_var): Relax the assertions on the type
445 properties, not mandating constant size any more.
446 (force_constant_size): New static function.
447 (gimple_add_tmp_var): Use it, forcing variable size to a
448 constant upper bound if it is not constant on entry.
450 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
453 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
454 for initialization and setting of one_only flag to ...
455 (i386_pe_encode_section_info): ...here.
456 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
457 Recheck that the symbol has not been defined.
459 2006-06-23 Richard Guenther <rguenther@suse.de>
461 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
462 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
463 alignment requests instead. Add verification code.
464 Add struct tree_function_decl and struct tree_binfo size to
465 extra_order_size_table. Add missing element to size_lookup
468 2006-06-22 Roger Sayle <roger@eyesopen.com>
469 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
472 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
473 call to lang_hooks.types.type_for_mode returned NULL_TREE.
475 2006-06-23 Ben Elliston <bje@au.ibm.com>
477 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
478 negate dn -- manipulate it directly.
480 2006-06-22 Roger Sayle <roger@eyesopen.com>
481 Steven Bosscher <stevenb.gcc@gmail.com>
484 * reload1.c (gen_reload): Call mark_jump_label on the new insns
485 generated by gen_move_insn to add REG_LABEL notes if necessary.
487 2006-06-22 Bob Wilson <bob.wilson@acm.org>
489 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
490 (leaf_entry): Remove use of MIN_ESA.
492 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
494 PR rtl-optimization/28121
495 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
498 2006-06-21 DJ Delorie <dj@redhat.com>
500 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
502 (mulhisi3_r): Likewise.
504 2006-06-21 Richard Sandiford <richard@codesourcery.com>
507 * coverage.c (coverage_counter_alloc): Leave the index type
509 (coverage_counter_alloc): Use null arguments for operands 2 and 3
512 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
514 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
515 section from the "Options for Code Generation Conventions".
517 2006-06-21 Richard Henderson <rth@redhat.com>
521 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
523 (global_symbolic_operand): Allow weak symbols, even if local_p.
525 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
527 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
528 (find_interesting_uses_address): Punt if above function returns true.
530 2006-06-21 Richard Guenther <rguenther@suse.de>
532 * configure: Regenerated.
534 2006-06-21 Joseph Myers <joseph@codesourcery.com>
536 * config/mips/mips.c (function_arg): Where one part of a
537 complex argument is in registers and the other part in the stack,
538 return a REG not a PARALLEL.
540 2006-06-21 Mark Mitchell <mark@codesourcery.com>
542 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
543 when cross-compiling. Do not substitute libstdcxx_incdir.
544 * configure: Regenerated.
546 2006-06-21 Jakub Jelinek <jakub@redhat.com>
548 * varasm.c (mergeable_string_section): Check for embedded NULs and
549 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
550 rather than TREE_STRING_LENGTH bytes.
552 2006-06-21 Richard Guenther <rguenther@suse.de>
554 * ggc-page.c (extra_order_size_table): Add var_ann_d,
555 tree_ssa_name, bitmap_element and phi_node with 4 arguments
558 2006-06-21 Richrad Guenther <rguenther@suse.de>
560 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
561 Limit iteration over the dominators.
563 2006-06-20 Roger Sayle <roger@eyesopen.com>
565 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
566 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
568 2006-06-20 Richard Guenther <rguenther@suse.de>
569 Michael Matz <matz@suse.de>
571 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
573 * alloc-pool.c (free_alloc_pool_if_empty): New function.
574 * et-forest.h (et_free_pools): Prototype new function.
575 * et-forest.c (et_free_tree_force): Free parent occurrence.
576 (et_free_pools): New function.
577 * dominance.c (free_dominance_info): Free et-forest alloc
580 2006-06-20 Roger Sayle <roger@eyesopen.com>
582 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
583 integer modes, attempt to directly construct an integer constant.
585 * fold-const.c (native_encode_vector): Determine the size of each
586 element from the vector type instead of the first vector element.
588 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
589 if all of its elements/components are constant.
590 (build_constructor_from_list): Likewise.
592 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
594 PR tree-optimization/27331
595 * tree-data-ref.c (free_data_ref): New function.
596 (create_data_ref): Fail if the data reference has unknown access
598 (free_data_refs): Use free_data_ref.
600 2006-06-19 Andrew Pinski <pinskia@gmail.com>
603 * tree-inline.c (setup_one_parameter): Strip useless
604 type conversion before adding it to the IR.
605 (declare_return_variable): Likewise.
607 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
610 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
612 2006-06-19 Mike Stump <mrs@apple.com>
614 * tree.c (variably_modified_type_p): VM arguments don't make the
617 2006-06-19 Richard Guenther <rguenther@suse.de>
619 * tree-ssa-pre.c (try_combine_conversion): Strip useless
620 type conversions after folding.
622 2006-06-19 Richard Guenther <rguenther@suse.de>
624 * ggc-page.c (extra_order_size_tab): Add entries with
625 size of struct function and basic_block.
626 (size_lookup): Extend to cover sizes up to 511.
627 (ggc_alloc_stat): Adjust user.
628 (ggc_pch_count_object): Likewise.
629 (ggc_pch_alloc_object): Likewise.
630 (ggc_pch_write_object): Likewise.
632 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
634 * tree-ssa-loop-niter.c (implies_ge_p): New function.
635 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
638 2006-06-19 Denis Chertykov <denisc@overta.ru>
640 * config/avr/libgcc.S : Correct my wrong previous commit.
642 2006-06-19 Roger Sayle <roger@eyesopen.com>
645 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
646 have stripped a SUBREG from the shift count, so we may need to
647 convert_to_mode back to the type's mode before calling make_tree.
648 Use new_amount instead of amount to avoid expanding a tree twice.
650 2006-06-19 Richard Guenther <rguenther@suse.de>
653 * fold-const.c (operand_equal_p): Check if the argument types
654 have the same precision before stripping NOPs.
656 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
658 Fix PR tree-optimization/27341
659 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
661 * tree-complex.c (pass_lower_complex): Update SMT usage.
663 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
665 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
666 Add a new alternative to the constraint strings. Add move of
667 operand 1 to 3 to the splitter definition.
668 ("doloop_si_long"): Second contraint alternative removed.
670 2006-06-08 Anatoly Sokolov <aesok@post.ru>
672 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
673 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
675 (AVR_HAVE_MOVW) Define.
676 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
677 (ASM_SPEC): Add avr25.
678 (LINK_SPEC): Add avr25.
679 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
680 (base_arch_s): Add new member 'have_movw_lpmx'.
681 (avr_arch_types): Init 'have_movw_lpmx'.
682 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
683 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
684 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
685 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
686 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
688 (avr_file_start): Do not output '.arh' derective.
689 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
690 (__do_copy_data): Use __AVR_HAVE_LPMX__.
691 * config/avr/avr.md (mcu_enhanced): Delete.
692 (mcu_have_movw): Define.
693 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
694 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
695 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
696 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
697 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
698 attiny861 and at86rf401 devices.
700 2006-06-18 Jie Zhang <jie.zhang@analog.com>
702 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
705 2006-06-17 Karl Berry <karl@gnu.org>
707 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
708 doc/gccint.texi, doc/install.texi (@dircategory): Use
709 "Software development" instead of "Programming", following
710 the Free Software Directory.
712 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
714 * config/i386/i386.c (legitimate_tls_address)
715 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
716 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
717 (*tls_dynamic_gnu2_combine_64): Likewise.
719 2006-06-16 Richard Guenther <rguenther@suse.de>
722 * fold-const.c (negate_expr_p): Do not introduce undefined
723 overflow in negating INTEGER_CSTs.
724 (fold_negate_expr): Rename from negate_expr. Revert last
725 change for folding BIT_NOT_EXPR. Change semantics to
726 return NULL_TREE for non-simplified negations. Do not
727 strip type conversions and unify type handling.
728 (negate_expr): New function, wrap around fold_negate_expr
729 but ensure building a tree always. Strip type conversions
730 here, fold to result type.
731 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
733 2006-06-16 Roger Sayle <roger@eyesopen.com>
736 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
737 that (would) return their results in stack registers.
739 2006-06-16 Michael Matz <matz@suse.de>
740 Richard Guenther <rguenther@suse.de>
742 * fold-const.c (fold_truthop): Only return new tree node if
743 we canonicalized something.
745 2006-06-16 Richard Guenther <rguenther@suse.de>
747 * function.h (enum function_frequency): Move declaration
748 out of struct function.
749 (struct function): Move bool fields and the enum to the bitfield
750 section. Reorder elements to avoid padding. Remove unused
751 fields left over from the RTL inliner removal.
752 * function.c (free_after_compilation): Do not zero removed fields.
753 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
754 (ipa-type-escape.o): Likewise.
756 2006-06-16 Richard Guenther <rguenther@suse.de>
758 * cgraph.h (struct cgraph_local_info): Turn bool elements
760 (struct cgraph_node): Likewise.
761 (struct cgraph_varpool_node): Likewise.
763 2006-06-15 Richard Guenther <rguenther@suse.de>
765 * fold-const.c (fold_truth_not_expr): Rename from
766 invert_truthvalue. Give it fold_* semantics to avoid
768 (invert_truthvalue): New function. Wrapper around
770 (optimize_minmax_comparison): Avoid creating garbage.
771 (fold_unary): Use fold_truth_not_expr for folding
773 (fold_ternary): Replace uses of invert_truthvalue with
774 fold_truth_not_expr where applicable.
775 * tree.h (fold_truth_not_expr): Prototype.
777 2006-06-16 Richard Guenther <rguenther@suse.de>
779 PR tree-optimization/27781
780 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
781 * ipa-pure-const.c (target.h): Include.
782 (analyze_function): Do not analyze functions that do not
785 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
788 * tree-dfa.c (referenced_vars_dup_list): Remove.
789 (find_referenced_vars): Remove assert.
790 (referenced_var_check_and_insert): Replace dup list with assert.
791 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
792 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
794 2006-06-15 Richard Guenther <rguenther@suse.de>
796 * tree-ssa-structalias.c (alias_get_name): Avoid creating
797 extra unused identifiers if not dumping.
798 (create_variable_info_for): Likewise.
800 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
802 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
803 (derive_constant_upper_bound): Derive more precise upper bound in
804 common cases. Return type changed to double_int.
805 (record_estimate): Reflect the changed return type of
806 derive_constant_upper_bound.
807 * double-int.c (double_int_zext, double_int_sext): Fix.
809 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
811 * configure.ac (CFLAGS): Get them from the toplevel or from the
812 configure invocation.
813 * configure: Regenerate.
814 * Makefile.in (CFLAGS): Substitute value provided by configure.
816 2006-06-14 Mark Mitchell <mark@codesourcery.com>
819 * c-common.h (c_finish_omp_atomic): Adjust declaration.
820 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
821 rather than calling add_stmt on it.
822 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
824 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
827 * reload1.c (reload): Remove registers returned by update_eliminables
828 from used_spill_regs.
830 2006-06-13 DJ Delorie <dj@redhat.com>
832 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
834 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
836 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
837 html__strip_dir, html__mkdir_p. Enhance install-html target.
838 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
839 * configure: Regenerate.
841 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
843 * fold-const.c (fold_cond_expr_with_comparison): Check for
844 Objective-C++ as language in deciding COND_EXPR transformation.
846 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
849 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
850 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
851 * config/sh/lib1funcs.h (SL, SL1): Define.
852 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
853 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
854 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
855 (OBJS_Os_4_200): New variable.
856 ($(T)libgcc-Os-4-200.a): Use it.
857 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
858 when dividing 1 and/or by 0.
860 2006-06-13 Roger Sayle <roger@eyesopen.com>
862 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
863 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
864 * configure: Regenerate.
866 2006-06-13 Jie Zhang <jie.zhang@analog.com>
868 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
869 for real instruction.
871 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
874 * haifa-sched.c (check_cfg): Handle special case.
876 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
879 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
880 Add debug_info parameter. Chain the vars to the BLOCK instead
881 of the BIND_EXPR if debug info are requested for them.
882 (pop_gimplify_context): Adjust for above change.
883 (gimple_add_tmp_var): Likewise.
884 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
886 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
887 (convert_local_reference): Likewise.
888 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
889 (finalize_nesting_tree_1): Request that debug info be emitted
892 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
894 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
897 2006-06-13 Richard Guenther <rguenther@suse.de>
900 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
902 2006-06-13 Richard Guenther <rguenther@suse.de>
904 PR tree-optimization/27830
905 * tree-inline.c (copy_body_r): For copying the operand
906 of an ADDR_EXPR make sure to fold &* afterwards.
908 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
910 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
911 lvalues in the fb_none case with side-effects.
913 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
915 * tree-flow.h: Remove the prototype for
916 compute_phi_arg_on_exit.
917 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
918 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
921 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
923 * builtins.c (expand_builtin_return_addr): Only use
924 frame_pointer_rtx when count == 0 and we are expanding
925 __builtin_return_address.
927 2006-06-12 Fred Fish <fnf@specifix.com>
929 * config/mips/mips.c (mips_file_start): Create special section
930 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
932 2006-06-11 Eric Christopher <echristo@apple.com>
935 * stor-layout.c (place_field): Remove check for
936 remaining_in_alignment when aligning at the end of a run.
938 2006-06-11 Eric Christopher <echristo@apple.com>
941 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
944 2006-06-11 Roger Sayle <roger@eyesopen.com>
947 Revert incorrect fix for PR target/27158
948 2006-05-08 Roger Sayle <roger@eyesopen.com>
949 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
950 of a reg_equiv_constant if the result is a legitimate constant.
952 2006-06-11 Roger Sayle <roger@eyesopen.com>
955 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
956 extract a CONST_VECTOR element and interpret it as an integer.
957 (vspltis_constant): Use const_vector_elt_as_int instead of the
958 macro CONST_VECTOR_ELT in order to handle FP vector modes.
959 * config/rs6000/predicates.md (easy_vector_const): Consider
960 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
962 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
965 * stor-layout.c (update_alignment_for_field): Don't add extra
966 alignment for packed non-bitfield fields in ms_bitfield_layout_p
969 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
971 * config/mips/t-rtems: Add EL/EB multilib variants.
973 2006-06-09 Mike Stump <mrs@apple.com>
975 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
977 2006-06-09 David Daney <ddaney@avtrex.com>
979 * doc/install.texi: Add binutils version recommendation for mips-*-*.
981 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
983 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
985 2006-06-09 Richard Guenther <rguenther@suse.de>
987 PR tree-optimization/26998
988 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
989 of signed types, only TYPE_MIN_VALUE is special, but for both,
990 minimum and maximum value. Likewise VR_ANTI_RANGE is special
991 in this case, as is -fwrapv.
993 2006-06-08 Mike Stump <mrs@apple.com>
996 * config/darwin.c (darwin_asm_output_anchor): Disable
997 -fsection-anchors on darwin for now.
998 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
999 * rs6000/rs6000.c (optimization_options): Likewise.
1001 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1004 * config/i386/i386.c (classify_argument): Skip fields with invalid
1007 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1009 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1010 (cse_insn): Likewise for the stack_pointer_rtx.
1012 2006-06-08 Roger Sayle <roger@eyesopen.com>
1014 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1015 conditions from floating point comparisons.
1017 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1020 * expmed.c (struct alg_hash_entry): Fix type of field T
1021 to match synth_mult argument.
1022 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1024 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1027 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1030 2006-06-08 Richard Guenther <rguenther@suse.de>
1033 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1034 only, if overflow is defined and not trapping.
1035 (negate_expr): Likewise.
1037 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1039 PR tree-optimization/27872
1040 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1041 flag on the new exit edge of the unrolled loop.
1043 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1045 PR rtl-optimization/26449
1046 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1048 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1051 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1052 referenced_variables with matching DECL_UID's.
1053 (find_referenced_vars): Make sure duplicate list is empty to start.
1054 (referenced_var_p): Remove.
1055 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1056 Check if var is in the list, and add if needed. Update the duplicate
1057 list if a different var is in the list with the same DECL_UID.
1058 (add_referenced_var): Call routine to check and insert.
1059 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1060 * tree-flow.h (referenced_vars_dup_list): External declaration.
1062 2006-06-07 Fred Fish <fnf@specifix.com>
1064 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1067 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1070 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1071 the imaginary and real parts of a clobbered register.
1072 Emit insn to set the imaginary part.
1074 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1076 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1077 in lieu of unwind-dw2-fde.c.
1079 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1081 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1083 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1086 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1087 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1088 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1089 V4SImode temporaries and operations instead.
1091 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1093 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1096 2006-06-06 Mike Stump <mrs@apple.com>
1098 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1099 installing during build.
1101 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1103 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1105 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1106 * config/ia64/ia64.c (params.h): New header.
1107 (ia64_optimization_options): New function to adjust parameters.
1108 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1109 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1110 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1112 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1114 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1116 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1119 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1121 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1122 Victor Kaplansky <victork@il.ibm.com>
1124 PR tree-optimization/26360
1125 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1128 2006-06-04 Roger Sayle <roger@eyesopen.com>
1129 Andrew Pinski <pinskia@physics.uc.edu>
1132 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1133 for LABEL_DECL before calling DECL_WEAK.
1136 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1137 LABEL_DECL and PARM_DECL.
1139 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1143 * c-decl.c (grokdeclarator): Disallow variably modified types at
1144 file scope. Avoid marking shared array type of constant size as
1147 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1150 * c-common.c (fold_offsetof_1): Handle static members.
1152 2006-06-04 Eric Christopher <echristo@apple.com>
1154 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1155 (debug_rli): Output value for remaining_in_alignment.
1156 (update_alignment_for_field): Unconditionalize
1157 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1158 extra alignment code.
1159 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1160 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1161 * tree.h (record_layout_info_s): Remove prev_packed.
1162 * doc/extend.texi (ms_struct): Add documentation of format.
1164 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1166 * tree.h: Declare folding_initializer.
1167 * builtins.c (fold_builtin_constant_p): Give definite answer
1168 if folding inside an initializer.
1169 * fold-const.c: Define folding_initializer.
1170 (START_FOLD_INIT): Save and then set folding_initializer.
1171 (END_FOLD_INIT): Restore folding_initializer.
1173 2006-06-04 Richard Guenther <rguenther@suse.de>
1175 PR tree-optimization/27039
1176 * fold-const.c (fold_comparison): Handle pointer comparison
1177 again for all comparison codes. Compare offsets in signed
1179 (fold_binary): Move code from here.
1181 2006-06-03 Roger Sayle <roger@eyesopen.com>
1184 * config/i386/i386.c (construct_container): Split static issued_error
1185 flag into issued_sse_arg_error, issued_sse_ret_error and
1186 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1187 requires the use of x87 registers and the user explicitly
1188 specified the -mno-80387 command line option.
1190 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1192 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1193 HAVE_DECL_SIGALTSTACK.
1195 (segv_handler): Use MC_FLD.
1196 * configure.ac: Check for a sigaltstack declaration.
1197 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1198 * configure: Regenerate.
1199 * config.in: Regenerate.
1201 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1204 * Makefile.in (stmp-fixinc): Fix typo.
1206 2006-06-02 Roger Sayle <roger@eyesopen.com>
1208 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1209 are type correct. Clean-up.
1210 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1211 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1213 2006-06-01 DJ Delorie <dj@redhat.com>
1215 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1216 shift, as we've disabled the "switch" insn that needs it.
1218 2006-06-01 Per Bothner <bothner@bothner.com>
1220 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1221 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1222 * c-ppoutput.c (cb_define): Don't increment line 0.
1224 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1226 * doc/invoke.texi: Add cpu_type power6.
1227 * config.gcc: Add cpu_type power6.
1228 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1229 to power5+ with Altivec.
1230 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1231 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1233 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1235 * config/avr/avr.h (SET_ASM_OP): Define.
1237 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1239 * config/bfin/bfin.c: Fix comment typos.
1241 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1244 * doc/install.texi: Document --enable-bootstrap and
1245 --disable-bootstrap.
1247 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1249 * doc/install.texi: Document that InfoZIP can replace jar.
1251 2006-05-31 Roger Sayle <roger@eyesopen.com>
1253 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1254 isn't available, directly generate the simpler x87 patterns without
1255 the (use (const_int 0)).
1256 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1257 implementation isn't available.
1258 (*negdf2_1): Likewise.
1259 (*negxf2_1): XF mode negation is always done using the x87.
1260 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1262 2006-05-31 Roger Sayle <roger@eyesopen.com>
1264 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1265 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1267 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1269 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1271 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1272 * config/bfin/bfin.c (basic-block.h): Include.
1273 (struct machine_function): New.
1274 (bfin_init_machine_status): New.
1275 (override_options): Initialize init_machine_status.
1276 (bfin_hardware_loop): New.
1277 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1278 (DEF_VEC_P (loop_info)): New.
1279 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1280 (struct loop_info): New.
1281 (loop_info): New typedef.
1282 (struct loop_work): New.
1283 (loop_work): New typedef.
1284 (DEF_VEC_O (loop_work)): New.
1285 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1286 (bfin_dump_loops): New.
1287 (bfin_bb_in_loop): New.
1288 (bfin_scan_loop): New.
1289 (bfin_optimize_loop): New.
1290 (bfin_reorg_loops): New.
1291 (bfin_reorg): Use bfin_reorg_loops.
1292 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1294 (I_REGNO_P): Simplify.
1295 (DP_REGNO_P, DPREG_P): New macros.
1296 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1297 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1298 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1299 Add LT_REGS, LC_REGS, LB_REGS.
1300 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1302 (REGNO_REG_CLASS): Deal with loop registers.
1303 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1305 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1306 New constants for loop registers.
1307 (UNSPEC_LSETUP_END): New.
1308 (seq_insns): New define_attr. Set it for appropriate insns.
1309 (movsi_insn): Add alternatives for move from/to
1310 loop count registers.
1311 (doloop_end): New define_expand.
1312 (loop_end): New define_insn.
1313 (define_split for bad doloop_end): New.
1314 (lsetup_with_autoinit): New define_insn.
1315 (lsetup_without_autoinit): New define_insn.
1316 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1317 * config/bfin/predicates.md (lc_register_operand): New.
1318 (lt_register_operand): New.
1319 (lb_register_operand): New.
1320 (nondp_register_operand): New.
1321 (nondp_reg_or_memory_operand): New.
1322 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1324 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1326 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1327 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1329 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1331 * Makefile.in (CATALOGS): Add po/ prefix.
1332 * configure: Regenerated.
1334 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1337 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1338 a shift operand before calling shift_op. Avoid redundant call of
1341 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1342 DJ Delorie <dj@redhat.com>
1344 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1345 we're inserting is a singlt-bit constant.
1347 2006-05-30 Roger Sayle <roger@eyesopen.com>
1349 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1350 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1352 2006-05-30 Roger Sayle <roger@eyesopen.com>
1354 PR tree-optimization/23452
1355 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1356 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1357 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1358 complex values and with -ffast-math for FP complex values.
1360 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1362 * c-common.h: Remove the prototype for yyparse.
1363 * rtl.h: Remove the prototype for init_loop.
1365 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1367 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1370 2006-05-30 Roger Sayle <roger@eyesopen.com>
1372 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1374 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1375 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1377 2006-05-30 Dirk Mueller <dmueller@suse.de>
1380 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1381 for CONSTANT_CLASS_P expresisons.
1383 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1386 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1388 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1390 PR tree-optimization/27779
1391 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1392 initial_condition instead of CHREC_LEFT.
1394 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1396 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1397 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1398 Make prototypes ISO C90.
1400 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1401 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1403 * see.c (see_analyze_one_def): Correct check.
1404 (see_get_extension_data): Check if extension is parallel.
1405 (see_get_extension_reg): Likewise.
1407 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1410 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1411 into register for (code == GTU).
1413 2006-05-29 Roger Sayle <roger@eyesopen.com>
1415 PR tree-optimization/24964
1416 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1417 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1418 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1419 abs(x)*abs(x) as x*x for scalar floating point modes.
1421 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1424 * lambda-code.c (perfect_nestify): Don't copy statements
1425 in the inner loop: move them to the inner loop header.
1427 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1430 * c-tree.texi: Document OpenMP directives and clauses.
1432 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1434 * varasm.c (globalize_decl): Fix indentation.
1436 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1439 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1440 pass_fre, pass_store_ccp, pass_copy_prop,
1441 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1442 pass_return_slot, pass_object_size, pass_lim,
1443 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1444 pass_loop_prefetch and pass_stdarg.
1446 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1448 * config/bfin/bfin.opt (mfdpic): New option.
1449 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1450 (EXTRA_MULTILIB_PARTS): Likewise.
1451 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1452 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1454 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1455 (CRT_CALL_STATIC_FUNCTION): New.
1456 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1458 (CRT_CALL_STATIC_FUNCTION): New.
1459 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1461 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1462 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1463 (initialize_trampoline): Changed to handle FD-PIC code generation.
1464 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1465 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1466 (override_options): Disallow -mid-shared-library -mfdpic combination.
1467 Can't do unaligned ops if FD-PIC.
1468 Turn off flag_pic if trying to generate non-id-shared-library
1469 non-fdpic code, since it's not supported.
1470 (bfin_assemble_integer): New function.
1471 (TARGET_ASM_INTEGER): Define.
1472 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1474 * config/bfin/crtn.s: Restore them.
1475 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1477 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1478 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1479 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1480 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1481 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1483 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1484 FDPIC_REGS and FDPIC_FPTR_REGS.
1485 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1486 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1487 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1488 (load_funcdescsi): New pattern.
1489 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1490 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1491 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1493 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1495 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1498 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1500 * tree-flow.h: Remove the prototype for add_type_alias.
1501 * tree-ssa-alias.c (add_type_alias): Remove.
1503 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1505 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1506 config/fr30/fr30.md, config/i386/i386-interix.h,
1507 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1508 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1509 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1510 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1511 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1512 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1513 Follow spelling conventions.
1514 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1515 Follow spelling conventions.
1517 2006-05-27 Richard Guenther <rguenther@suse.de>
1520 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1521 to produce a constant of value 1 of generic type.
1523 2006-05-27 Dirk Mueller <dmueller@suse.de>
1525 * cgraphunit.c (decide_is_function_needed): Fix wrong
1528 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1530 PR rtl-optimization/27661
1531 * reload.c (find_reloads): When reloading a VOIDmode constant
1532 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1533 use Pmode as mode of the reload register.
1535 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1537 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1538 is enabled at -O and above.
1540 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1543 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1546 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1549 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1550 for anonymous variables explicitly declared by front ends.
1552 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1554 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1555 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1556 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1557 ref-all pointers, run a finalization pass for them.
1558 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1559 (finalize_ref_all_pointers): New function.
1560 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1561 regular pointer type to a ref-all pointer type.
1562 (get_tmt_for): Return the special memory tag for ref-all pointers.
1564 2006-05-25 Richard Guenther <rguenther@suse.de>
1567 * fold-const.c (fold_binary): Do not look at the stripped
1568 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1570 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1572 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1573 for LT and GT if the computed range is effectively empty.
1575 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1578 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1579 mips_quad_format formats instead of ieee_single_format,
1580 ieee_double_format and ieee_quad_format formats, respectively.
1582 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1584 PR tree-optimization/27639
1585 PR tree-optimization/26719
1586 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1587 call to scev_probably_wraps_p.
1588 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1589 used_in_pointer_arithmetic_p, convert_step): Removed.
1590 (nowrap_type_p): New function.
1591 (scev_probably_wraps_p): Rewritten.
1592 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1593 chrec_convert if chrec_convert_aggressive might have been used.
1594 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1595 scev_direction): New functions.
1596 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1597 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1598 instead of convert_step.
1599 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1600 (convert_step): Declaration removed.
1601 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1603 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1605 * df-core.c: Added to header comments.
1606 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1607 df_ur_bb_info, df_urec_bb_info): Added comments.
1608 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1609 urec, ri problems): Fixed header comments.
1610 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1611 code from df_rd_transfer_function.
1613 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1615 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1616 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1617 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1619 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1621 * expr.c (undefined_operand_subword_p): New.
1622 (emit_move_multi_word): Do not generate move from undefined bits
1623 of a paradoxical subreg.
1625 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1627 PR rtl-optimization/27736
1628 * combine.c (replaced_rhs_value): New variable.
1629 (combine_instructions): Set it.
1630 (distribute_notes): When distributing a note in replaced_rhs_insn,
1631 check whether the value was used in replaced_rhs_value.
1633 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1636 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1637 add_referenced_var instead of add_referenced_tmp_var.
1638 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1639 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1641 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1642 tree_optimize_tail_calls_1): Use add_referenced_var.
1643 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1644 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1645 Use add_referenced_var.
1646 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1647 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1648 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1649 Use add_referenced_var.
1650 * tree-dfa.c (struct walk_state): Remove.
1651 (find_referenced_vars): Remove walk state and vars_found hash table.
1652 (make_rename_temp): Use add_referenced_var.
1653 (find_vars_r): Pass less parameters to add_referenced_var.
1654 (referenced_var_p): New. Is var in referenced_var hash table.
1655 (referenced_var_insert): Assert var isn't already in hash table.
1656 (add_referenced_var): Don't need walk_state parameter. Add var if it
1657 isn't already in the hash table.
1658 (add_referenced_tmp_var): Remove.
1659 (find_new_referenced_vars_1): Use add_referenced_var.
1660 * tree-ssa-pre.c (create_expression_by_pieces,
1661 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1662 Use add_referenced_var.
1663 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1664 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1665 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1667 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1668 vect_create_data_ref_ptr, vect_create_destination_var,
1669 vect_init_vector, vect_build_loop_niters,
1670 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1671 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1672 Use add_referenced_var.
1673 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1674 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1675 (add_referenced_var): Add prototype.
1676 * tree-ssa-structalias.c (get_constraint_for,
1677 intra_create_variable_infos): Use add_referenced_var.
1679 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1681 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1682 big-endian paradoxical subregs.
1683 * var-tracking.c (struct micro_operation_def): Document that,
1684 for modify micro operations, insn is the subsequent instruction.
1685 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1686 (var_reg_set, var_mem_set): ... new functions.
1687 (add_stores): Record subsequent insn.
1688 (compute_bb_dataflow): Use new functions for MO_USE.
1689 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1690 notes after the insn, and modify notes before the insn known
1691 to be the subsequent one.
1692 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1694 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1697 * config/i386/i386.c (ix86_expand_builtin): Use
1698 gen_sse3_monitor64 for TARGET_64BIT.
1700 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1702 PR rtl-optimization/26375
1703 PR rtl-optimization/26855
1704 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1706 (df_ru_bb_local_compute): Reversed statements and removed bogus
1707 comment explaining why they should be in wrong order.
1708 (df_ru_dump, df_rd_dump): Enhanced debug info.
1709 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1711 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1712 reaching uses and fixed space problem.
1714 2006-05-23 Jan Hubicka <jh@suse.cz>
1716 * cgraphunit.c (decide_is_function_needed): Also nested functions
1717 and functions declared inline can be optimized out at -O0.
1719 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1721 * doc/install.texi (Configuration): Remove reference to CrossGCC
1725 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1728 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1729 ix86_compare_emitted is non-NULL.
1731 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1734 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1737 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1739 PR rtl-optimization/25514
1740 * combine.c (replaced_rhs_insn): New variable.
1741 (combine_instructions): Set replaced_rhs_insn when trying to replace
1742 a SET_SRC with a REG_EQUAL note.
1743 (distribute_notes): Use replaced_rhs_insn when determining the live
1744 range of a REG_DEAD register.
1746 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1747 Anatoly Sokolov <aesok@post.ru>
1749 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1750 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1751 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1752 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1753 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1754 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1755 at90usb647, at90usb1286 and at90usb1287 devices.
1756 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1757 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1759 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1761 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1763 2006-05-22 Richard Guenther <rguenther@suse.de>
1766 2006-01-31 Richard Guenther <rguenther@suse.de>
1767 Paolo Bonzini <bonzini@gnu.org>
1769 * doc/install.texi (--disable-libgcc-math): Document.
1771 2006-05-22 Richard Guenther <rguenther@suse.de>
1774 2006-01-31 Richard Guenther <rguenther@suse.de>
1776 * doc/invoke.texi (-msselibm): Document.
1777 * target.h (expand_library_builtin): New target hook.
1778 * builtins.c (expand_builtin): Use expand_library_builtin.
1779 (default_expand_library_builtin): New function.
1780 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1781 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1782 (link_gcc_math_spec): Declare.
1783 (static_specs): Add link_gcc_math_spec.
1784 * expr.h (default_expand_library_builtin): Declare.
1785 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1786 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1787 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1788 * config/i386/i386.opt (msselibm): New target option.
1789 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1790 (ix86_init_sse_abi_builtins): New function.
1791 (ix86_expand_library_builtin): Likewise.
1792 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1793 (override_options): Handle error conditions wrt -msselibm.
1794 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1795 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1796 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1799 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1802 * c-common.c (self_promoting_args_p): Skip erroneous args.
1805 * c-decl.c (finish_struct): Skip erroneous fields.
1807 2006-05-22 Nick Clifton <nickc@redhat.com>
1809 * config/cris/cris.opt (march): Remove VarExists attribute.
1810 (max-stackframe=): Likewise.
1812 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1814 * doc/rtl.texi: Fix a typo.
1815 * see.c: Fix comment typos.
1817 * tree-ssa-structalias.h (alias_info): Remove num_references.
1819 2006-05-21 Mike Stump <mrs@apple.com>
1821 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1823 (darwin_pragma_options): Use BAD instead.
1824 (darwin_pragma_unused): Likewise.
1825 (darwin_pragma_ms_struct): Likewise.
1827 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1829 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1831 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1833 PR rtl-optimization/27671
1834 * simplify-rtx.c (simplify_relational_operation_1): Fix
1835 simplifications of (eq/ne (xor x y) y) and
1836 (eq/ne (xor x y) x).
1838 PR tree-optimization/26622.
1839 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1842 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1844 * tree-cfg.c: Prune whitespace.
1845 (debug_tree_cfg): Point to correct header containing the
1848 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1851 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1853 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1856 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1857 or sorry count is non zero.
1859 2006-05-20 Andreas Schwab <schwab@suse.de>
1861 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1863 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1864 Kenneth Zadeck <zadeck@naturalbridge.com>
1866 PR rtl-optimization/26855
1868 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1870 (df_scan_alloc): Added code to properly handle multiword hard
1871 registers and add all_blocks parameter.
1872 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1873 code to properly handle multiword hard registers.
1874 (df_rescan_blocks): Added code to remove deleted blocks from
1876 (df_ref_create_structure, df_ref_record): Added code to properly
1878 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1879 and set DF_REF_PARTIAL.
1880 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1881 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1882 (df_scan_add_problem): Added flags parameter.
1883 (df_ref_create_structure): Changed switching structure.
1884 (df_bb_refs_record): Fixed case where duplicate artificial refs
1885 were created. Changed location of flags.
1886 (df_record_entry_block_defs): Added code to make stack pointer
1887 live in entry block. Refined cases where frame pointer is needed.
1888 Changed location of flags.
1889 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1890 (df_set_state): Removed function.
1891 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1892 df_insn_create_insn_record, df_insn_refs_delete,
1893 df_ref_create_structure): Formatting changes.
1894 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1895 df_delete_basic_block): New function.
1896 (df_init): Changed location of flags.
1897 (df_add_problem): Added flags parameter and the way flags are
1899 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1900 debug_df_chain): Improved debugging output.
1901 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1902 (df_refs_chain_dump): Removed df parameter.
1903 (df_iterative_dataflow): Added consistency check.
1904 (df_prune_to_subcfg): Made public.
1905 (df_analyze_problem): Added blocks_to_init parameter and made
1907 (df_ref_record, df_bb_refs_record, df_mark_reg,
1908 df_record_exit_block_uses): Whitespace changes.
1909 (df_dump): Whitespace changes.
1910 * df.h: Some reordering to remove forward references.
1911 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1912 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1913 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1914 (dataflow.flags): New field.
1915 (df.flag): Deleted field.
1916 (df_alloc_function): Added additional bitmap parameter.
1917 (df_dependent_problem_function): New type.
1918 (df_problem.changeable_flags): New field.
1919 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1920 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1921 (df_mw_hardreg): New struct.
1922 (DF_INSN_UID_MWS): New macro.
1923 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1925 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1926 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1927 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1928 (df_set_state): Removed function.
1929 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1930 * df-problems.c (df_chain_dump): Removed df parameter.
1931 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1932 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1934 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1935 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1936 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1937 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1938 DF_REF_MUST_CLOBBER cases.
1939 (df_ru_bb_local_compute_process_def,
1940 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1941 df_lr_bb_local_compute, df_ur_bb_local_compute,
1942 df_chain_create_bb): Made subreg aware.
1943 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1944 df_lr_bb_local_compute, df_lr_bb_local_compute,
1945 df_chain_create_bb): Cleanup to use proper macros.
1946 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1947 code to fixup bitvectors.
1948 (df_ri_alloc): Cleared lifetime.
1949 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1950 df_create_unused_note): New function.
1951 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1952 REG_DEAD and REG_UNUSED notes as well as register information.
1953 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1954 df_chains_dump): Fixed crash if problem was never run.
1955 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1956 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1957 df_ri_add_problem): Processes flags in uniform manner.
1958 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1959 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1960 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1961 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1962 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1963 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1964 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1965 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1966 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1967 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1968 * see.c (see_initialize_data): Ditto.
1969 * final.c (rest_of_clean_state) Added regstack_completed.
1970 * rtl.h (regstack_completed): Ditto.
1971 * reg-stack.c (regstack_completed): Ditto.
1973 2006-05-19 Mike Stump <mrs@apple.com>
1975 * c-tree.h (default_conversion): Remove.
1976 * c-common.h (default_conversion): Add.
1978 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1980 * tree-vrp.c (valid_value_p): New function.
1981 (adjust_range_with_scev): Fail if the value of bound is not
1984 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1986 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1987 (mips_fallback_frame_state): Use syscall numbers to determine
1988 the appropriate li instruction for the current ABI. Only use
1989 __NR_sigreturn for o32.
1991 2006-05-19 Nicolas Setton <setton@adacore.com>
1993 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1994 * langhooks.c (lhd_dwarf_name): New function.
1995 * langhooks-def.h (lhd_dwarf_name): Declare.
1996 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1997 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1998 * ada/misc.c (gnat_dwarf_name): New function.
1999 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2001 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2003 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2005 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2006 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2007 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2008 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2009 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2010 determine the size of Wtype, etc.
2011 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2012 (swfloatfuncs): New variable.
2013 (dwfloatfuncs): Likewise.
2014 (lib2funcs): Remove floating-point conversion functions from
2015 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2016 the set of conversion routines needed. Allow entries to specify
2017 an object name, filename and word size. Update users accordingly.
2018 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2019 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2023 2006-02-08 Roger Sayle <roger@eyesopen.com>
2026 * config/fixtfdi.c: New libgcc source file.
2027 * config/fixunstfdi.c: New source file.
2028 * config/floatditf.c: New source file.
2029 * config/floatunditf.c: New souce file.
2030 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2031 files above instead of config/mips/_tilib.c.
2032 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2034 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2036 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2037 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2039 2006-05-18 Mike Stump <mrs@apple.com>
2041 Fix up vla, vm and [*] sematics.
2047 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2048 (c_vla_unspec_p): Add.
2049 (c_vla_type_p): Add.
2050 * c-decl.c (struct c_scope): Add had_vla_unspec.
2051 (build_array_declarator): Add support for [*].
2052 (grokdeclarator): Likewise.
2053 (grokparms): Likewise.
2054 (get_parm_info): Likewise.
2055 * c-objc-common.c (c_vla_unspec_p): Likewise.
2056 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2057 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2058 typeof when argument is a variably modified type not inside sizeof or alignof.
2059 (c_parser_direct_declarator_inner): Propagate errors.
2060 (c_parser_sizeof_expression): Add support for [*].
2061 (c_parser_parms_declarator): Initialize had_vla_unspec.
2062 (c_parser_parms_list_declarator): Likewise.
2063 * c-typeck.c (c_vla_type_p): Add.
2064 (composite_type): Add support for vla compositing.
2065 (comptypes_internal): Add support for vla compatibility.
2066 (c_expr_sizeof_expr): Evaluate vla arguments.
2067 * tree.c (variably_modified_type_p): Update comment for [*].
2069 2006-05-18 Michael Matz <matz@suse.de>
2072 * config.host: Make assignments to host_xmake_file cumulative.
2073 * config.host (*-darwin*): Test $host, not $target.
2075 2006-05-12 Stuart Hastings <stuart@apple.com>
2077 * config/i386/i386.opt (-mstackrealign): New flag.
2078 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2079 (ix86_handle_cconv_attribute): Emit error when
2080 force_align_arg_pointer attribute collides with too many regparms.
2081 (ix86_function_regparm): Limit regparms when used with
2082 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2083 Support stack-realigning prologue in non-main functions. Emit
2084 warning for nested functions under -mstackrealign, emit error for
2085 nested functions with force_align_arg_pointer attribute.
2086 * doc/extend.texi (force_align_arg_pointer): Document it.
2087 * doc/invoke.texi (-mstackrealign): Document it.
2089 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2091 PR rtl-optimization/27477
2092 * combine.c (try_combine): Don't split a parallel consisting
2093 of two sets into two individual sets if both sets reference
2096 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2098 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2099 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2101 * doc/options.texi (VarExists): Updated.
2103 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2105 * unwind-dw2.c: Add declarations for uw_update_context and
2107 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2108 detected, advance frame state and context once to skip over stub.
2110 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2114 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2115 Call rewrite_into_loop_closed_ssa only when something changed.
2116 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2117 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2118 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2119 Test for perfect_nest_p here. Fix formating.
2120 (replace_uses_equiv_to_x_with_y): Fix formating.
2121 (stmt_uses_op): Removed.
2122 (can_convert_to_perfect_nest): Removed loopivs parameter.
2123 Complete the test by checking the scalar dependences.
2124 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2127 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2130 From Dan Kegel <dank@kegel.com>:
2131 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2133 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2135 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2136 if the element type is variably modified without recursing.
2138 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2141 * tree-loop-linear.c (try_interchange_loops): Test for
2142 no data dependences.
2144 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2146 PR tree-optimization/27548
2147 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2148 range of ssa names that appear on abnormal edges.
2149 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2150 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2152 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2155 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2157 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2160 * tree.h (OMP_PARALLEL_COMBINED): Define.
2161 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2162 (new_omp_context): Add is_combined_parallel argument.
2163 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2164 new_omp_context caller.
2165 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2166 Adjust gimplify_scan_omp_clauses callers.
2167 (omp_is_private): Issue errors if iteration variable is firstprivate
2168 or reduction in the current context.
2169 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2170 on combined parallel workshare constructs.
2172 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2174 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2175 (gcc-options.o): New rule.
2177 * optc-gen.awk: Protect variables for gcc-options.o with
2178 #ifdef GCC_DRIVER/#endif.
2180 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2182 Fix PR tree-optimization/27373
2183 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2184 (forward_propagate_addr_expr): Update call.
2186 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2188 * doc/options.texi: Move the Negative option.
2190 2006-05-16 Richard Guenther <rguenther@suse.de>
2192 PR tree-optimization/22303
2193 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2195 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2196 ccp_fold did not simplify the statement.
2198 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2201 * Makefile.in (GCC_OBJS): New.
2202 (OBJS-common): Add opts-common.o.
2203 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2204 (cpp$(exeext)): Likewise.
2205 (gcc.o): Also depend on opts.h.
2206 (opts-common.o): New.
2208 * common.opt (gcoff): Add Negative(gdwarf-2).
2209 (gdwarf-2): Add Negative(gstabs).
2210 (gstabs): Add Negative(gstabs+).
2211 (gstabs+): Add Negative(gvms).
2212 (gvms): Add Negative(gxcoff).
2213 (gxcoff): Add Negative(gxcoff+).
2214 (gxcoff+): Add Negative(gcoff).
2215 * config/i386/i386.opt (m32): Add Negative(m64).
2216 (m64): Add Negative(m32).
2218 * doc/options.texi: Document the Negative option.
2220 * gcc.c: Include "opts.h".
2221 (main): Call prune_options after expandargv.
2223 * optc-gen.awk: Generate common declarations for all flag
2224 variables in options.c. Output the neg_index field.
2226 * opts.c (find_opt): Moved to ...
2227 * opts-common.c: Here. New file.
2229 * opts.h (cl_option): Add a neg_index field.
2231 (prune_options): Likewise.
2233 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2236 * omp-low.c (expand_omp_parallel): Don't assert
2237 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2238 instead search for it.
2241 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2244 2006-05-16 Andreas Schwab <schwab@suse.de>
2246 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2249 2006-05-15 Roger Sayle <roger@eyesopen.com>
2252 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2253 integer constants other than zero are only legitimate on TARGET_64BIT.
2254 <CONST_VECTOR> Only zero vectors are legitimate.
2255 (ix86_cannot_force_const_mem): Integral and vector constants can
2256 always be put in the constant pool.
2258 2006-05-16 DJ Delorie <dj@redhat.com>
2260 * crtstuff.c (__dso_handle): Set section from
2261 TARGET_LBIGCC_SDATA_SECTION if defined.
2262 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2263 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2265 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2268 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2271 2006-05-16 Ben Elliston <bje@au.ibm.com>
2273 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2275 2006-05-15 Per Bothner <per@bothner.com>
2277 * tree.c: (last_annotated_node): Use source_locus typedef.
2278 This permits bootstrapping with --enable-mapped-location.
2280 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2282 PR tree-optimization/26830
2283 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2284 (info_for_ssa_name, current_info_for_ssa_name_age,
2285 blocks_to_update): New variables.
2286 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2287 (clear_ssa_name_info, initialize_flags_in_bb,
2288 mark_block_for_update): New functions.
2289 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2290 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2291 prepare_def_site_for): Use mark_block_for_update.
2292 (mark_def_interesting): Assert that the processed block is marked in
2293 blocks_to_update. Do not take blocks argument.
2294 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2296 (rewrite_update_init_block, rewrite_update_stmt): Only process
2297 blocks with statements to rewrite.
2298 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2299 (update_ssa): Initialize and free blocks_to_update. Do not
2300 clear flags on statements. Do not use blocks bitmap.
2301 * tree.h (SSA_NAME_AUX): Removed.
2302 (struct tree_ssa_name): Removed aux field.
2303 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2305 2006-05-15 Richard Guenther <rguenther@suse.de>
2307 PR tree-optimization/27603
2308 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2309 Do computations in original type.
2311 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2313 * see.c: Code style changes such as redundant paranthesis,
2314 redundant intialization of local variables etc.
2315 (see_main): Declared now as static.
2316 * doc/invoke.texi: Update that -fsee is not enabled by
2319 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2321 * omp-low.c (check_omp_nesting_restrictions): New function.
2322 (scan_omp_1): Call it.
2325 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2326 construct, return *VAR.
2328 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2330 PR rtl-optimization/27406
2331 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2334 2006-05-14 Roger Sayle <roger@eyesopen.com>
2336 PR rtl-optimization/27538
2337 * combine.c (expand_compound_operation): Call gen_lowpart
2338 before calling simplify_shift_const.
2340 2006-05-14 Roger Sayle <roger@eyesopen.com>
2342 PR rtl-optimization/22563
2343 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2344 a fixed width bitfield, always force the intermediates into psuedos.
2346 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2349 * mkconfig.sh: Use operator = instead of == for test.
2351 2006-05-13 Nick Clifton <nickc@redhat.com>
2353 * dwarf2out.c (dbx_reg_number): Check return value from
2354 LEAF_REG_REMAP and only use it if it is valid.
2355 (multiple_reg_loc_descriptor): Likewise.
2357 2006-05-13 Richard Guenther <rguenther@suse.de>
2359 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2362 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2364 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2365 information attached to non-INSNs such as NOTEs.
2366 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2368 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2370 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2372 * config/s390/s390.md: Adjust comment describing On constraint.
2374 2006-05-11 Jan Hubicka <jh@suse.cz>
2376 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2377 to be output at -O0.
2379 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2382 * fold-const.c (size_binop): Move sanity check for arguments to
2383 the beginning of the function.
2386 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2389 2006-05-11 Richard Guenther <rguenther@suse.de>
2392 * fold-const.c (fold_unary): Handle intermediate conversion
2393 to a pointer type like intermediate conversion to an integer
2394 type in folding of (T1)(T2)var to var.
2395 Match the code to the comment in the final conversion for
2396 (T1)(T2)var to (T1)var regarding to type precision. Rather
2397 than disallow T1 being of pointer type, assert that both T1
2398 and var are of pointer type or not. Make sure not to fall
2399 over the frontends lazyness wrt array to pointer decay though.
2401 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2403 * arm.c (arm_struct_value_rtx): Delete.
2404 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2405 (arm_init_cumulative_args): Always initialize nregs to zero.
2407 2006-05-10 Richard Guenther <rguenther@suse.de>
2409 PR tree-optimization/27532
2410 * tree-object-size.c (plus_expr_object_size): Fix typo.
2412 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2415 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2416 ashrdi_const, ashrdi3): Use a scratch register.
2418 2006-05-10 Richard Guenther <rguenther@suse.de>
2420 PR tree-optimization/27302
2421 * fold-const.c (operand_equal_p): For two comparisons,
2422 try comparison of one comparison code swapped if that yields
2425 2006-05-10 Ben Elliston <bje@au.ibm.com>
2427 * tree-pretty-print.c (pretty_print_string): No need to handle
2428 '\0' as a special character.
2430 * tree.h: Include "hashtab.h".
2431 (iterative_hash_expr): Use hashval_t in its prototype.
2432 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2434 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2437 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2438 (hppa*64*-*-hpux11*): Ditto.
2439 (hppa[12]*-*-hpux11*): Ditto.
2441 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2444 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2446 2006-05-09 Michael Matz <matz@suse.de>
2448 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2449 host_extra_gcc_objs and host_xmake_file.
2450 (<*-*-linux*>): Don't overwrite host_xmake_file.
2451 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2452 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2453 (host_detect_local_cpu): Declare.
2454 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2455 * config/i386/i386.c (override_options): Handle -mtune=native
2457 * config/i386/x-i386: New file.
2458 * config/i386/driver-i386.c: New file.
2459 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2462 2006-05-09 Dirk Mueller <dmueller@suse.de>
2463 Richard Guenther <rguenther@suse.de>
2466 * fold-const.c (fold_read_from_constant_string): Relax check
2467 for matching types to matching modes.
2469 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2471 PR rtl-optimization/27335
2472 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2475 2006-05-08 Chao-ying Fu <fu@mips.com>
2476 Richard Sandiford <richard@codesourcery.com>
2478 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2479 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2480 * config/mips/mips.md (UNSPEC_SCC): New constant.
2481 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2482 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2483 (mips_emit_compare): Use it.
2484 (mips_expand_vcondv2sf): New function.
2486 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2488 Fix PR tree-optimization/27093
2489 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2490 renaming when they become not-used_alone.
2492 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2494 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2495 relocation and relocation stubs.
2497 2006-05-08 Eric Christopher <echristo@apple.com>
2499 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2502 2006-05-08 Jan Hubicka <jh@suse.cz>
2505 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2506 unused static functions are needed.
2508 2006-05-08 Roger Sayle <roger@eyesopen.com>
2511 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2512 of a reg_equiv_constant if the result is a legitimate constant.
2514 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2517 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2518 standard 80387 constants, raise the cost to prevent
2519 compress_float_constant() to generate load from memory.
2521 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2523 * config/arm/constraints.md (c): Fix a typo.
2525 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2528 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2531 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2533 (_mm_mwait): Likewise.
2535 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2537 (sse3_monitor): Make it 32bit only.
2538 (sse3_monitor64): New. 64bit monitor.
2540 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2543 * config/i386/i386.c (classify_argument): Skip fields with invalid
2546 2006-05-07 Richard Guenther <rguenther@suse.de>
2548 PR tree-optimization/27409
2549 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2550 Do not try to find zero-sized subvars.
2552 2006-05-07 Richard Guenther <rguenther@suse.de>
2554 PR tree-optimization/27136
2555 * tree-ssa-loop-niter.c (get_val_for): Correct function
2556 comment, assert requirements.
2557 (loop_niter_by_eval): Stop processing if the iterated
2558 value did not simplify.
2560 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2562 * opts.c (flag_see): remove its setting at -O3.
2564 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2566 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2567 * arm/constraints.md: New file.
2568 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2569 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2570 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2571 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2572 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2573 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2574 * arm.md: Include constraints.md.
2575 (thumb_movsi_insn): Use satisfies_constraint_J.
2576 (movhi, movqi): Use satisfies_constraint_I.
2578 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2580 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2581 for atmeg a645 device.
2583 2006-05-06 Richard Guenther <rguenther@suse.de>
2585 PR tree-optimization/27151
2586 * tree-vect-transform.c (vectorizable_condition): Punt on
2587 values that have a different type than the condition.
2589 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2592 * c-parser.c (c_parser_cast_expression): Only insert casts into
2593 hash table if pointer.
2594 * function.c (used_types_insert_helper): Rename from
2596 (used_types_insert): Call used_types_insert_helper.
2597 * function.h (used_types_insert): Accept only one argument.
2599 2006-05-05 David Edelsohn <edesohn@gnu.org>
2601 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2602 scratch with output modifier.
2604 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2607 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2608 with output modifier.
2610 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2613 * config/mips/mips.c (mips_symbolic_address_p): Return true
2614 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2615 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2617 2006-05-04 Richard Guenther <rguenther@suse.de>
2619 PR tree-optimization/14287
2620 PR tree-optimization/14844
2621 PR tree-optimization/19792
2622 PR tree-optimization/21608
2623 PR tree-optimization/27090
2624 * tree-ssa-pre.c (try_combine_conversion): New function.
2625 (compute_avail): After constructing the value-handle
2626 expression, use try_combine_conversion to combine NOP_EXPRs
2627 with previous value-handle expressions and use the result if it
2630 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2632 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2634 2006-05-04 Jan Hubicka <jh@suse.cz>
2637 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2639 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2641 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2642 that this only matches CONST_INTs. All users changed to VOIDmode
2645 * config/bfin/bfin.c: Include "optabs.h".
2646 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2648 (enum bfin_builtins): Add a number of fractional and vector builtins.
2649 (bfin_init_builtins): Likewise.
2650 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2651 (safe_vector_operand, bfin_expand_binop_builtin,
2652 bfin_expand_unop_builtin): New functions.
2653 (bfin_expand_builtin): Handle the new builtins.
2654 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2657 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2660 * Makefile.in (OBJS-common): Add see.o.
2661 (see.o): Add dependencies.
2662 * common.opt (fsee): New flag for the see optimization was added.
2663 * opts.c (flag_see): Initialized.
2664 * passes.c (init_optimization_passes, pass_see): New pass.
2665 * rtl.h (see_main): Declaration as extern.
2666 * timevar.def (TV_SEE): New.
2667 * tree-pass.h (pass_see): Declaration as extern.
2668 * invoke.texi (-fsee): Document.
2669 * recog.c (validate_simplify_insn): New function.
2670 * recog.h (validate_simplify_insn): Declaration as extern.
2671 * df-problems.c (df_chain_dump): Check for NULL.
2673 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2674 Daniel Berlin <dberlin@dberlin.org>
2676 * cfgrtl.c (insert_insn_bb_end_new): New function.
2677 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2679 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2681 * df.h (struct web_entry): Moved from web.c.
2682 (union_defs): Declaration as extern.
2683 (unionfind_root): Likewise.
2684 (unionfind_union): Likewise.
2685 * web.c (struct web_entry): Moved to df.h.
2686 (unionfind_root): Remove static declaration.
2687 (unionfind_union): Likewise.
2688 (union_defs): Likewise and generalize to use callback function.
2689 (web_main): Update arguments for union_defs function call.
2691 2006-05-04 Richard Guenther <rguenther@suse.de>
2693 PR tree-optimization/26447
2694 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2695 produce SSA_NAME copies before the store stmt to avoid
2696 breaking exception handling.
2698 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2701 * gimplify.c (omp_is_private): If var is shared in some outer context,
2702 return false instead of true. Stop searching on parallel context
2705 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2708 * coverage.c: Use get_gcov_unsigned_t() instead of
2709 unsigned_type_node all over.
2711 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2713 PR tree-optimization/27381
2714 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2715 maintain the same immediate_use links.
2716 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2717 node rather than segfaulting.
2719 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2722 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2723 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2724 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2726 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2728 Fix PR tree-optimization/26626
2729 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2731 * tree-ssa-operands.c (access_can_touch_variable): Allow
2732 typecasting through union pointers.
2734 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2737 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2738 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2739 to find if var will be a global variable even in the nested context.
2740 (omp_copy_decl): Only check for global variable at the end, it might
2741 be overridden in outer contexts.
2742 (scan_sharing_clauses): For global variables don't create a field.
2743 (lower_rec_input_clauses): Do nothing for global shared variables.
2744 Emit a barrier at the end of ILIST if there were any decls in both
2745 firstprivate and lastprivate clauses.
2746 (lower_send_clauses): Do nothing for global variables except for
2749 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2751 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2752 of the correct signedness is returned.
2754 2006-05-02 Jeff Law <law@redhat.com>
2756 PR tree-optimization/27364
2757 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2758 multiply expressions.
2760 2006-05-02 Tom Tromey <tromey@redhat.com>
2762 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2764 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2767 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2768 -mthumb -fPIC are used.
2770 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2771 Joshua Kinard <kumba@gentoo.org>
2774 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2775 with 64-bit pointers.
2777 2006-05-02 Paul Brook <paul@codesourcery.com>
2779 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2781 (create_fix_barrier): Check that a suitable barrier location is
2783 (arm_reorg): Include ftmp->address in allowable range of addresses.
2785 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2788 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2791 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2794 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2795 around RESULT_DECL for result passed by reference.
2796 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2797 * omp-low.c (use_pointer_for_field): Don't look at
2798 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2799 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2800 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2801 time or var for passing by reference for
2802 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2803 TREE_ADDRESSABLE variables when passing by reference.
2805 * omp-low.c (dump_omp_region): Fix output formatting.
2808 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2809 (expand_omp_parallel): Likewise.
2810 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2813 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2814 on statement list containing also constructors and destructors.
2815 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2818 * except.c (duplicate_eh_regions): Fix clearing of
2819 cfun->eh->region_array entries.
2821 2006-05-01 DJ Delorie <dj@redhat.com>
2823 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2825 (gcc_cv_objdump): Likewise.
2826 * configure: Regenerated.
2828 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2831 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2832 templates for case 3 and 4.
2834 2006-05-01 DJ Delorie <dj@redhat.com>
2836 * vec.c: Include bconfig.h when appropriate.
2837 * Makefile.in (build/vec.o): Adjust dependencies.
2838 * mkconfig.sh: Make sure config.h isn't used for build machine
2841 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2843 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2845 (mark_phi_for_rewrite): New function.
2846 (insert_phi_nodes_for, mark_use_interesting): Call
2847 mark_phi_for_rewrite.
2848 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2849 (update_ssa): Initialize and free phis_to_rewrite.
2851 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2853 PR rtl-optimization/27291
2854 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2855 folded to a constant.
2857 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2859 PR tree-optimization/27283
2860 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2861 not whole # of iteration descriptions.
2862 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2863 uses abnormal ssa name.
2864 (niter_for_single_dom_exit): Ditto.
2865 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2866 return just the number of iterations.
2868 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2870 PR tree-optimization/27144
2871 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2872 (record_estimate): Only record constant upper bound.
2873 (infer_loop_bounds_from_undefined): Call
2874 compute_estimated_nb_iterations just once.
2875 (proved_non_wrapping_p): Renamed to ...
2876 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2877 (convert_step_widening, scev_probably_wraps_p): Call
2878 n_of_executions_at_most instead of proved_non_wrapping_p.
2879 (substitute_in_loop_info): Do not replace values in bounds.
2880 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2883 2006-05-01 Richard Henderson <rth@redhat.com>
2886 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2887 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2890 2006-05-01 Roger Sayle <roger@eyesopen.com>
2892 * c-typeck.c (parser_build_binary_op): Don't call the function
2893 unsigned_conversion_warning to spot operand/result type overflow.
2894 (build_binary_op): Instead, call convert_and_check instead of
2895 convert to report the problem when the operands are promoted.
2896 * c-common.c (unsigned_conversion_warning): Make static.
2897 * c-common.h (unsigned_conversion_warning): Delete prototype.
2899 2006-05-01 Richard Guenther <rguenther@suse.de>
2901 PR tree-optimization/26726
2902 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2904 (find_interesting_uses_address): ... we work around here
2905 by folding INDIRECT_REFs in the substituted base.
2907 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2909 * omp-low.c (dump_omp_region): Add newlines.
2911 2006-04-30 Roger Sayle <roger@eyesopen.com>
2913 * common.opt (Woverflow): New command line option.
2914 * c-common.c (constant_expression_warning): Check warn_overflow.
2915 (overflow_waring): Pass OPT_Woverflow to warning.
2916 (unsigned_conversion_warning): Likewise.
2917 (convert_and_check): Likewise.
2918 * doc/invoke.texi: Document new command line option.
2920 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2922 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2923 TARGET_NO_FP_IN_TOC for section anchors.
2924 (optimization_options): Enable section anchors for all
2925 non-"Objective" languages.
2927 2006-04-28 Eric Christopher <echristo@apple.com>
2929 * config/darwin-c.c (darwin_ms_struct): Move this
2930 (darwin_set_default_type_attributes): and this...
2931 * config/darwin.c: ... here.
2932 * config/darwin.h (darwin_ms_struct): Declare.
2934 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2936 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2938 2006-04-28 Roger Sayle <roger@eyesopen.com>
2941 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2942 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2943 an unsigned HOST_WIDE_INT.
2944 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2946 (really_start_incremental_init): No need to call convert because
2947 bitsize_zero_node is already of type bitsizetype.
2948 (push_init_level): Extract the value of constructor_index as an
2949 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2950 (process_init_element): Likewise.
2952 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2954 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2955 value before passing to make_relative_prefix.
2957 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2960 * builtins.c (expand_builtin_memset): Expand val in original mode.
2962 2006-04-27 Eric Christopher <echristo@apple.com>
2964 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2965 with #ifndef/#endif.
2966 * config/darwin-c.c (darwin_ms_struct): New.
2967 (darwin_pragma_ms_struct): Ditto.
2968 (darwin_set_default_type_attributes): Ditto.
2969 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2970 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2971 Register ms_struct pragma.
2972 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2973 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2974 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2975 darwin_set_default_type_attributes if TARGET_MACHO.
2977 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2979 PR tree-optimization/26854
2980 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2981 * doc/tree-ssa.texi: Update immuse iterator documentation.
2982 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2983 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2984 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2985 first_safe_imm_use, next_safe_imm_use): Remove.
2986 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2987 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2988 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2989 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2990 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2991 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2992 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2993 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2994 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2995 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2996 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2997 (perfect_nestify): Use new iterator.
2998 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3000 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3001 (next_imm_name): New field in struct immediate_use_iterator_d.
3002 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3003 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3004 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3005 * tree-cfg.c (replace_uses_by): Use new iterator.
3006 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3007 * tree-ssa-operands.c (correct_use_link): Remove.
3008 (finalize_ssa_use_ops): No longer call correct_use_link.
3010 2006-04-27 Stuart Hastings <stuart@apple.com>
3012 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3013 * config/t-darwin (crt3.o): Use it.
3014 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3015 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3016 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3017 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3018 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3021 2006-04-27 Roger Sayle <roger@eyesopen.com>
3023 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3024 size, force the intermediate into a new pseudo rather instead of
3025 performing both a bitwise AND and a bitwise IOR in memory.
3027 2006-04-27 Richard Guenther <rguenther@suse.de>
3029 PR rtl-optimization/26685
3030 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3031 this one "max-flow-memory-locations".
3033 2006-04-27 Richard Guenther <rguenther@suse.de>
3035 PR tree-optimization/25148
3036 * tree-vrp.c (compare_values): Remove code dealing with
3037 comparisons against type min/max value. Honour overflow
3038 and negative constants in code dealing with comparisons
3039 of plus and minus expressions.
3040 (value_inside_range): Use fold_binary with LE_EXPR and
3041 GE_EXPR rather than compare_values.
3043 2006-04-27 Dirk Mueller <dmueller@suse.de>
3045 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3048 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3050 * basic-block.h (safe_insert_insn_on_edge): Removed.
3051 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3053 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3054 Paolo Bonzini <bonzini@gnu.org>
3057 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3058 (simplify_and_const_int): Same.
3060 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3062 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3064 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3067 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3068 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3069 cgraph_global_info_ready.
3072 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3075 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3076 either decl or init is error_mark_node.
3079 * tree-flow.h (struct omp_region): Add sched_kind.
3080 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3081 instead of extracting omp for data.
3082 (expand_omp_for): Save extracted sched_kind.
3084 2006-04-25 Roger Sayle <roger@eyesopen.com>
3086 * expmed.c (store_bit_field): Also check whether the bitsize is
3087 valid for the machine's "insv" instruction before moving the
3088 target into a pseudo for use with the insv.
3089 * config/i386/predicates.md (const8_operand): New predicate.
3090 * config/i386/i386.md (extv, extzv, insv): Use the new
3091 const8_operand predicate where appropriate.
3093 2006-04-25 DJ Delorie <dj@redhat.com>
3095 * doc/install.texi (Specific): Clarify that this is not a list of
3096 supported hosts or targets.
3098 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3100 PR rtl-optimization/26725
3101 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3102 block's BB_DIRTY flag.
3104 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3106 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3109 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3110 to print an integer.
3112 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3114 * varasm.c (align_variable): New function.
3115 (get_block_for_decl): Apply align_variable to DECL before
3116 calculating section information.
3117 (assemble_variable): Split out alignment computation.
3119 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3121 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3124 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3126 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3127 MODE_PARTIAL_INT mode.
3128 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3129 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3131 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3132 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3134 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3136 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3138 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3139 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3140 MACFLAG_IH): Likewise.
3141 (movstricthi_1): Renamed from "*movstricthi".
3142 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3143 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3144 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3145 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3146 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3147 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3148 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3149 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3150 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3151 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3152 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3153 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3154 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3155 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3156 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3158 * doc/rtl.texi (ss_ashift): Improve wording.
3160 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3162 * dwarf2out.c (verify_marks_clear): New.
3163 (prune_unused_types): Call verify_marks_clear initially, not
3166 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3168 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3169 * doc/rtl.texi: Document them.
3170 * simplify-rtx.c (simplify_unary_operation,
3171 simplify_binary_operation_1): Don't abort when we see them.
3173 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3176 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3177 * configure.ac: Completely disregard languages that are not
3179 * configure: Regenerated.
3181 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3182 Richard Guenther <rguenther@suse.de>
3184 PR tree-optimization/27236
3185 * tree-inline.c (copy_body_r): Make sure to copy
3186 TREE_THIS_VOLATILE flag.
3188 2006-04-24 Richard Guenther <rguenther@suse.de>
3191 * tree-complex.c (update_parameter_components): Don't handle
3192 unused parameters which have no default def.
3194 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3195 Richard Guenther <rguenther@suse.de>
3197 PR tree-optimization/27218
3198 * tree-inline.c (expand_call_inline): Strip useless type
3199 conversions for the return slot address.
3201 2006-04-24 Richard Guenther <rguenther@suse.de>
3203 * cfgloop.h (struct loops): Remove unused field array. Reorder
3205 (LOOP_PREFETCH): Remove.
3207 2006-04-24 Richard Guenther <rguenther@suse.de>
3209 PR tree-optimization/22525
3210 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3211 variable, adjust types of generated expressions.
3213 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3215 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3216 (tree-vect-patterns.o): Likewise.
3218 (cselib.o): Likewise.
3219 (loop-doloop.o): Likewise.
3220 (regclass.o): Likewise.
3221 (reload1.o): Likewise.
3222 (explow.o): Replace target.h with $(TARGET_H).
3223 (ipa-prop.o): Likewise.
3224 (ipa-cp.o): Likewise.
3225 (ipa-inline.o): Likewise.
3226 (reorg.o): Likewise.
3227 (reg-stack.o): Likewise.
3229 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3231 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3233 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3235 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3237 * configure.ac: Completely disregard languages that are not
3239 * configure: Regenerated.
3242 * c-common.h (c_build_bitfield_integer_type): Declare.
3243 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3244 * c-common.c (c_build_bitfield_integer_type): ... here.
3246 2006-04-23 Roger Sayle <roger@eyesopen.com>
3249 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3250 a SImode SUBREG of a floating point register after no_new_pseudos.
3252 2006-04-23 Roger Sayle <roger@eyesopen.com>
3254 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3255 identify potentially eliminable registers to additionally catch
3256 VIRTUAL_INCOMING_ARGS_REGNUM.
3257 (addsi3): Update the conditions on when to use addsi_small_int.
3259 2006-04-23 Roger Sayle <roger@eyesopen.com>
3262 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3263 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3264 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3266 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3268 * fold-const.c (range_predecessor): Use operand_equal_p
3269 as the predicate for equality.
3270 (range_successor): Likewise.
3272 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3275 * config/soft-fp/op-common.h: Fix a typo.
3277 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3280 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3281 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3283 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3285 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3287 * doc/tm.texi: Fix a typo.
3289 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3291 * dwarf2out.c (struct die_struct): Document that die_sib makes
3292 a circular linked list.
3293 (FOR_EACH_CHILD): New.
3294 (reverse_die_lists): Delete.
3295 (reverse_all_dies): Delete.
3296 (add_dwarf_attr): Correct documentation.
3297 (remove_child_with_prev): New.
3298 (remove_child_TAG): Update for change to die_struct, use
3299 remove_child_with_prev.
3300 (add_child_die): Update for change to die_struct.
3301 (splice_child_die): Use remove_child_with_prev and add_child_die.
3302 (print_die): Use FOR_EACH_CHILD.
3303 (die_checksum): Likewise.
3304 (assign_symbol_names): Likewise.
3305 (output_location_lists): Likewise.
3306 (build_abbrev_table): Likewise.
3307 (calc_die_sizes): Likewise.
3308 (mark_dies): Likewise.
3309 (unmark_dies): Likewise.
3310 (unmark_all_dies): Likewise.
3311 (output_die): Likewise.
3312 (prune_unused_types_mark): Likewise.
3313 (prune_unused_types_walk): Likewise.
3314 (same_die_p): Update for change to die_struct.
3315 (break_out_includes): Likewise.
3316 (prune_unused_types_prune): Likewise.
3317 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3318 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3320 (dwarf2out_finish): Don't call reverse_all_dies.
3322 2006-04-21 Eric Christopher <echristo@apple.com>
3324 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3325 in comments and function names.
3327 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3330 * c-typeck.c (digest_init): Robustify.
3332 * c-typeck.c (pop_init_level): Simplify.
3334 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3336 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3338 2006-04-21 Paul Brook <paul@codesourcery.com>
3340 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3341 hardware floating point.
3343 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3345 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3348 2006-04-21 Nick Clifton <nickc@redhat.com>
3350 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3353 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3356 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3357 C++ lang type in traceback table for Objective-C++.
3359 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3361 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3363 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3365 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3368 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3369 were errors. Remove check for erroneous objects.
3371 2006-04-20 Jeff Law <law@redhat.com>
3373 PR tree-optimization/26854
3374 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3375 checking for zero or one use.
3376 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3377 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3378 * tree-ssa-reassoc.c (negate_value): Similarly.
3379 (reassociate_bb): Similarly.
3381 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3383 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3384 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3385 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3387 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3389 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3390 fp regs if the last fp arg doesn't fit in regs.
3392 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3395 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3396 that the last insn has the REG_INC note.
3398 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3399 Nathan Sidwell <nathan@codesourcery.com>
3402 * stor-layout.c (update_alignment_for_field): Do not align
3404 (place_union_field): Place union field at the start of the union.
3405 (place_field): Move ERROR_MARK check later, and use the current
3406 allocation position to maintain monotonicity.
3408 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3410 * dominance.c: Include timevar.h.
3411 (calculate_dominance_info): Use TV_DOMINANCE.
3412 * timevar.def (TV_DOMINANCE): New timevar.
3413 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3415 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3417 PR rtl-optimization/14261
3418 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3419 move would be an INSV insn.
3420 (noce_process_if_block): Don't optimize if the destination is a
3421 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3423 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3425 * config/s390/s390.md: Add comments with the instructions emitted
3426 by an insn pattern if macros are used.
3428 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3430 PR rtl-optimization/26026
3431 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3432 is a known power of two shifted left a variable amount.
3434 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3436 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3437 to hash table twice when the debug_str section has SECTION_MERGE.
3439 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3441 * config/soft-fp: New directory. From glibc.
3442 * config/soft-fp/t-softfp: New.
3443 * config/soft-fp/README: New.
3444 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3445 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3446 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3447 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3448 * config.gcc: Use rs6000/t-fprules-fpbit or
3449 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3451 * config/rs6000/sfp-machine.h: New. Based on glibc.
3452 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3454 * config/rs6000/t-fprules: Remove fp-bit rules.
3455 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3456 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3457 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3458 (softfp_wrap_start, softfp_wrap_end): New.
3460 2006-04-18 DJ Delorie <dj@redhat.com>
3462 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3464 2006-04-18 Devang Patel <dpatel@apple.com>
3466 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3468 2006-04-18 Nick Clifton <nickc@redhat.com>
3470 * config/sh/t-symbian: Add rule to build sh-c.o
3471 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3472 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3473 (sh_symbian_encode_section_info): Likewise.
3475 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3477 * builtins.c (expand_builtin_strcmp): Cover label definition of
3478 do_libcall with HAVE_cmpstrnsi.
3480 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3482 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3484 * function.h (temp_slot_p): New.
3485 (function): Change the type of x_used_temp_slots to
3486 VEC(temp_slot_p,gc) *.
3488 2006-04-18 Nick Clifton <nickc@redhat.com>
3490 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3491 flag_strength_reduce.
3493 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3495 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3499 Partial revert of revision 112637
3500 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3501 Dale Johannesen <dalej@apple.com>
3504 * regclass.c (struct reg_pref): Update documentation.
3505 (regclass): Set prefclass to NO_REGS if memory is the best option.
3506 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3508 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3510 PR tree-optimization/26821
3511 * tree-ssa-math-opts.c (get_constant_one): New.
3512 (insert_reciprocals): Use it.
3514 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3516 * dwarf2out.c (free_AT): Delete.
3517 (remove_AT): Update string ref counts.
3518 (remove_child_TAG): Don't call free_die.
3520 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3521 or DW_TAG_GNU_EINCL.
3522 (prune_unused_types_walk_attribs): Reset string refcounts.
3523 (prune_unused_types_update_strings): New.
3524 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3525 call free_die. Do call prune_unused_types_update_strings.
3526 (prune_unused_types): Empty debug_str_hash.
3528 2006-04-17 Roger Sayle <roger@eyesopen.com>
3530 * expr.c (expand_assignment): Optimize away no-op moves where the
3531 source and destination are equal and have no side-effects.
3533 2006-04-17 Richard Guenther <rguenther@suse.de>
3536 * reload.c (push_reload): Guard calls to get_secondary_mem
3539 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3541 * alias.c (reg_base_value, old_reg_base_value): Change the
3542 type to VEC(rtx,gc) *.
3543 (REG_BASE_VALUE, find_base_value, record_set,
3544 init_alias_analysis): Use VEC instead of VARRAY.
3546 * alias.c (alias_sets): Change the type to
3547 VEC(alias_set_entry,gc) *.
3548 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3549 VEC instead of VARRAY.
3550 (last_alias_set): Remove.
3552 * cgraph.h (cgraph_edge_p): New.
3553 Update the prototype of cgraph_function_versioning.
3554 * cgraphunit.c (cgraph_copy_node_for_versioning,
3555 cgraph_function_versioning): Use VEC instead of VARRAY.
3556 * ipa-cp.c (ipcp_insert_stage): Likewise.
3558 2006-04-16 Roger Sayle <roger@eyesopen.com>
3561 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3562 "A op B" or "A op C", we may need to convert A to the type of B and C.
3564 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3566 * target.h (struct gcc_target): Add mode_rep_extended.
3567 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3568 (init_num_sign_bit_copies_in_rep): Initialize it using
3570 (truncate_to_mode): Use it.
3571 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3572 * targhooks.h (default_mode_rep_extended): Declare it.
3573 * targhooks.c (default_mode_rep_extended): Define it.
3574 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3575 default_mode_rep_extended.
3576 (TARGET_INITIALIZER): Include it.
3577 * doc/tm.texi (Misc): Document it.
3578 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3579 (mips_truncated_to_mode): New function.
3581 2006-04-16 Roger Sayle <roger@eyesopen.com>
3584 * expr.c (compress_float_constant): Copy the narrow constant into
3585 a new pseudo before extending it to its final width.
3587 2006-04-16 Roger Sayle <roger@eyesopen.com>
3588 Andrew Pinski <pinskia@gcc.gnu.org>
3589 Dale Johannesen <dalej@apple.com>
3592 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3593 special case code to implement V8HImode and V16QImode with SSE2.
3595 2006-04-15 Roger Sayle <roger@eyesopen.com>
3597 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3598 trees are constructed with a suitable tree type.
3600 2006-04-15 Roger Sayle <roger@eyesopen.com>
3602 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3603 (integer_onep): Likewise.
3604 (integer_all_onesp): Likewise.
3605 (integer_pow2p): Likewise.
3606 (integer_nonzerop): Likewise.
3607 (real_zerop): Likewise.
3608 (real_onep): Likewise.
3609 (real_twop): Likewise.
3610 (real_minus_onep): Likewise.
3611 (int_size_in_bytes): Likewise.
3612 (host_integerp): Likewise.
3614 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3616 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3617 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3618 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3620 * tree-ssa-structalias.h (alias_info): Remove num_references.
3622 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3624 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3625 (output_bvb patterns): Likewise.
3626 * pa.c (output_bb): Use 'bb' insn for long branch case.
3627 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3628 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3629 1. Correct length operand for alternatives 1 and 2.
3630 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3631 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3633 2006-04-14 Roger Sayle <roger@eyesopen.com>
3635 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3636 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3637 were accidentally reverted by r112959.
3639 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3642 * except.h (eh_region_outermost): New prototype.
3643 * except.c (eh_region_outermost): New function.
3644 * tree-cfg.c (find_outermost_region_in_block): Use it.
3646 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3648 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3650 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3651 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3652 (init_reload, reload): Use VEC instead of VARRAY.
3653 * reload.h: Update the prototype for
3654 reg_equiv_memory_loc_varray.
3656 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3657 Eric Botcazou <ebotcazou@libertysurf.fr>
3659 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3662 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3665 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3666 to expand fallback builtin function call.
3668 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3671 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3672 and emit libcall here in case the builtin fails.
3673 (expand_builtin_strcmp): Always emit the libcall here on failure.
3675 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3677 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3678 * flow.c (reg_n_info): Change the type to
3679 VEC(reg_info_p,heap) *.
3680 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3682 * regs.h (reg_info_p): New.
3683 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3684 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3685 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3688 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3690 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3692 * params.h (MAX_SCHED_READY_INSNS): New macro.
3693 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3694 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3695 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3696 the ready list for 1 cycle during the first scheduling pass.
3697 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3699 2006-04-13 Richard Henderson <rth@redhat.com>
3702 * gimple-low.c (lower_omp_directive): Remove dead code.
3703 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3704 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3705 * omp-low.c (struct omp_region): Move to tree-flow.h.
3706 (root_omp_region): Export.
3707 (omp_regions, lookup_omp_region): Remove.
3708 (determine_parallel_type): Update for struct omp_region changes.
3709 (dump_omp_region): Dump regions with block numbers.
3710 (new_omp_region): Take type and block instead of stmt; malloc
3712 (free_omp_region_1, free_omp_regions): New.
3713 (expand_parallel_call): Take entry_stmt as argument; update for
3714 changes to omp_region.
3715 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3716 (remove_exit_barriers): New.
3717 (expand_omp_parallel): Update for struct omp_region changes.
3718 (expand_omp_synch): Likewise.
3719 (expand_omp): Likewise.
3720 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3721 (expand_omp_for_static_chunk): Likewise.
3722 (expand_omp_for): Likewise.
3723 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3724 (expand_omp_sections): Similarly, with GOMP_sections_end.
3725 (expand_omp_single): New.
3726 (build_omp_regions_1): Update for OMP_CONTINUE.
3727 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3728 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3729 OMP_SECTIONS_SECTIONS.
3730 (lower_omp_single_simple): Don't emit barrier here.
3731 (lower_omp_single_copy): Likewise.
3732 (lower_omp_single): Fix bindings, and lower to straightline now.
3733 (lower_omp_master, lower_omp_ordered): Likewise.
3734 (lower_omp_critical): Likewise.
3735 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3736 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3737 omp edges, free it afterward.
3738 (make_omp_sections_edges): Remove.
3739 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3740 (move_stmt_r): Handle OMP_CONTINUE.
3741 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3742 statement pointers to basic blocks. Add type member.
3743 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3744 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3745 * tree-inline.c (estimate_num_insns_1): Likewise.
3746 * tree-pretty-print.c (dump_generic_node): Likewise.
3747 * tree-ssa-operands.c (get_expr_operands): Likewise.
3748 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3749 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3750 (OMP_CONTINUE): New.
3751 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3752 (OMP_SECTIONS_SECTIONS): Remove.
3753 (OMP_SECTION_LAST): New.
3754 (OMP_RETURN_NOWAIT): New.
3756 2006-04-13 Roger Sayle <roger@eyesopen.com>
3758 * fold-const.c (native_encode_vector, native_interpret_real):
3759 Correct obvious mistakes in the previous check-in.
3761 2006-04-13 Roger Sayle <roger@eyesopen.com>
3763 * fold-const.c (native_encode_expr): New function to encode
3764 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3765 or VECTOR_CST into a specified buffer.
3766 (native_encode_int): New function.
3767 (native_encode_real): New function.
3768 (native_encode_complex): New function.
3769 (native_encode_vector): New function.
3770 (native_interpret_expr): Inverse of native_encode_expr to convert
3771 a target representation into an INTEGER_CST, REAL_CST etc...
3772 (native_interpret_int): New function.
3773 (native_interpret_real): New function.
3774 (native_interpret_complex): New function.
3775 (native_interpret_vector): New function.
3776 (fold_view_convert_expr): New function to constant fold/evaluate
3777 a VIEW_CONVERT_EXPR of a suitable constant expression.
3778 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3779 Change call of build1 to fold_build1 when constructing a
3782 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3783 Ulrich Weigand <uweigand@de.ibm.com>
3786 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3789 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3792 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3793 optimize to lo_sum for DFmode if !TARGET_FPRS.
3795 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3797 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3798 delete_alias_info, compute_flow_sensitive_aliasing,
3799 group_aliases): Use VEC instead of VARRAY.
3800 * tree-ssa-structalias.c (update_alias_info): Likewise.
3801 * tree-ssa-structalias.h (alias_info): Change the type of
3802 processed_ptrs to VEC(tree,heap) *.
3804 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3807 * config/sh/lib1funcs.h: New file, broken out of:
3808 * config/sh/lib1funcs.asm.
3809 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3811 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3812 * config/sh/lib1funcs-Os-4-200.asm: New file.
3813 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3814 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3815 (EXTRA_MULTILIB_PARTS): Include it.
3816 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3817 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3818 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3819 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3822 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3824 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3825 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3826 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3828 * tree-ssa-live.h: Include vecprim.h.
3829 (tree_partition_associator_d): Change the type of
3830 first_partition to VEC(int,heap) *.
3831 (tpa_first_partition): Use VEC instead of VARRAY.
3833 * Makefile.in (GTFILES): Move functions.h after tree.h.
3834 * function.c (reset_block_changes, record_block_change,
3835 check_block_change, free_block_changes): Use VEC instead of
3837 * function.h (function): Change the type of
3838 ib_boundaries_block to VEC(tree,gc) *.
3839 * tree-inline.c (copy_cfg_body): Initialize
3840 ib_boundaries_block to NULL instead of (varray_type) 0.
3842 2006-04-12 Roger Sayle <roger@eyesopen.com>
3844 * expr.c (emit_group_store): Correct operand order in call to
3845 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3846 a SUBREG_BYTE of zero.
3848 2006-04-12 Richard Guenther <rguenther@suse.de>
3850 * profile.c (compute_branch_probabilities): Remove code
3851 encapsulated in !ir_type (), which are remanents of the
3852 removed RTL profiling code.
3853 * rtl-profile.c: Remove.
3855 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3857 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3858 magic NULL_RTX comment.
3859 (function_arg): Store entire fp arg to mem if any part should go
3861 (rs6000_arg_partial_bytes): Adjust for above change.
3863 2006-04-11 Roger Sayle <roger@eyesopen.com>
3865 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3866 if it hasn't been initialized by dwarf2out_init.
3868 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3870 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3871 symbolic constants in branch patterns.
3873 2006-04-11 Roger Sayle <roger@eyesopen.com>
3875 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3877 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3879 PR rtl-optimization/27073
3880 * gcse.c (try_replace_reg): Revert last change. Continue to search
3881 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3884 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3886 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3887 aggregate types other than record and union types.
3888 (function_arg): Likewise.
3889 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3891 (function_value): In 64-bit mode, return objects that require it
3894 2006-04-11 Roger Sayle <roger@eyesopen.com>
3896 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3898 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3900 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3902 2006-04-03 Jeff Law <law@redhat.com>
3905 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3906 alias information too.
3908 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3910 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3912 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3915 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3916 (premark_used_types_helper): New.
3917 (premark_used_types): New.
3918 (gen_subprogram_die): Call premark_used_types.
3919 (prune_unused_types_walk): Do not prune perennial dies.
3920 * function.c (used_types_insert): New.
3921 * function.h (struct function): Add used_types_hash field.
3922 (used_types_insert): Add prototype.
3923 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3924 * c-parser.c (c_parser_cast_expression): Save casted types in used
3927 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3930 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3931 rs6000_explicit_options.float_gprs.
3933 2006-04-10 Roger Sayle <roger@eyesopen.com>
3935 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3936 from ix86_expand_vector_init_low_nonzero. Take an additional
3937 one_var argument indicating which element is non-zero. Support
3938 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3939 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3940 with one_var instead of ix86_expand_vector_init_low_nonzero.
3942 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3944 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3945 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3946 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3947 build/genextract.o): Depend on vecprim.h.
3948 * cfglayout.c, df-problems.c, function.c, genextract.c,
3949 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3950 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3954 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3956 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3957 Declare VECs of this type.
3958 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3959 (remove_children): Delete.
3960 (add_dwarf_attr): Use VEC routines.
3961 (add_AT_flag): Update for changes to add_dwarf_attr.
3962 (add_AT_int): Likewise.
3963 (add_AT_unsigned): Likewise.
3964 (add_AT_long_long): Likewise.
3965 (add_AT_vec): Likewise.
3966 (add_AT_string): Likewise.
3967 (add_AT_die_ref): Likewise.
3968 (add_AT_fde_ref): Likewise.
3969 (add_AT_loc): Likewise.
3970 (add_AT_loc_list): Likewise.
3971 (add_AT_addr): Likewise.
3972 (add_AT_lbl_id): Likewise.
3973 (add_AT_lineptr): Likewise.
3974 (add_AT_macptr): Likewise.
3975 (add_AT_offset): Likewise.
3976 (add_AT_range_list): Likewise.
3977 (get_AT): Use VEC_iterate.
3978 (remove_AT): Use VEC_ordered_remove.
3979 (free_die): Fold remove_children into here; have it use VEC_iterate.
3980 (print_die): Use VEC_iterate on attrs.
3981 (reverse_die_lists): Don't reverse attr lists.
3982 (die_checksum): Use VEC_iterate on attrs.
3983 (same_die_p): Likewise.
3984 (output_location_lists): Likewise.
3985 (build_abbrev_table): Likewise.
3986 (size_of_die): Likewise.
3987 (unmark_all_dies): Likewise.
3988 (output_abbrev_section): Likewise.
3989 (output_die): Likewise.
3990 (prune_unused_types_walk_attribs): Likewise.
3992 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3994 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3996 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3999 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4001 2006-04-09 Roger Sayle <roger@eyesopen.com>
4003 * expr.c (store_constructor): Don't bother clearing target if
4004 we're about to assign a vector to it using vec_init_optab.
4006 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4008 * tree-ssa-alias.c (lhs_may_store_to): New function.
4009 (recalculate_used_alone): Handle LHS of calls.
4011 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4015 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4016 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4017 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4018 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4019 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4020 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4021 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4022 stubs. Add ".align 8" directives before all ".dword" directives.
4023 (GTHREAD_USE_WEAK): Revise comment.
4024 (TARGET_ATTRIBUTE_WEAK): Define.
4025 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4026 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4027 * stublib.c: New file.
4032 * pa.md (cbranch patterns): Revise arguments used in calls to
4033 output_cbranch, output_bb and output_bvd. Add long branch length
4035 (fbranch patterns): Handle long branches.
4036 (jump): Revise length check. Revise arguments for output_lbranch call.
4037 Add long branch length attributes.
4038 (decrement_and_branch_until_zero): Add long branch length attributes.
4039 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4040 Likewise. Revise arguments for output_parallel_addb and
4041 output_parallel_movb calls.
4042 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4043 output_parallel_movb and output_parallel_addb): Update prototypes.
4044 * pa.c (output_cbranch): Revise arguments. Correct handling of
4045 nullification in long branches.
4046 (output_lbranch): Add new argument to control extraction of delay
4048 (output_bb): Handle long branches.
4049 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4050 output_parallel_addb): Likewise.
4052 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4054 PR rtl-optimization/27073
4055 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4058 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4060 * tree.h (tree_memory_tag): Add old_used_alone.
4061 (SMT_OLD_USED_ALONE): New macro.
4062 * tree-ssa-alias.c (recalculate_used_alone): Stop
4063 marking things for renaming unnecessarily.
4065 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4067 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4068 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4069 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4070 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4071 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4072 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4073 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4074 spelling convensions.
4075 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4076 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4077 typos. Follow spelling conventions.
4079 2006-04-07 DJ Delorie <dj@redhat.com>
4081 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4082 passed on the stack.
4083 (m32c_init_cumulative_args): When a function returns a structure,
4084 always pass the pointer to that return area on the stack.
4085 (m32c_function_arg_advance): Don't increment the parameter number
4086 if we're processing the returned structure pointer.
4087 (pushm_info): Reverse order of registers.
4089 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4091 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4092 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4093 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4094 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4096 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4097 chrec_fold_multiply): Same.
4098 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4099 force_expr_to_var_cost): Same.
4100 * tree-mudflap.c (mf_xform_derefs_1): Same.
4101 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4103 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4105 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4106 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4109 2006-04-07 Jan Hubicka <jh@suse.cz>
4111 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4113 2006-04-07 Richard Guenther <rguenther@suse.de>
4115 PR tree-optimization/26135
4116 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4117 loads for store copy-prop.
4118 (copy_prop_visit_stmt): Likewise.
4120 2006-04-05 Robert Millan <robertmh@gnu.org>
4122 * config/i386/linux.h: Add a comment to mark macros that are
4123 being overriden in config/k*bsd-gnu.h.
4124 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4126 * config/knetbsd-gnu.h: Ditto.
4128 2006-04-06 Jan Hubicka <jh@suse.cz>
4132 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4135 2006-04-06 Mike Stump <mrs@apple.com>
4137 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4138 for HAVE_nonlocal_goto to be consistent.
4139 (expand_builtin_nonlocal_goto): Likewise.
4140 (expand_builtin_strcmp): Use #ifdef instead of #if
4141 for HAVE_cmpstrnsi to be consistent.
4143 2006-04-05 DJ Delorie <dj@redhat.com>
4145 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4148 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4150 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4151 got-relative addressing for anything but SImode.
4153 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4154 even if the calling function doesn't modify them.
4156 2006-04-05 Richard Guenther <rguenther@suse.de>
4158 PR tree-optimization/26919
4159 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4160 to cgraph_estimate_size_after_inlining.
4162 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4164 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4166 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4168 PR tree-optimization/26996
4169 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4170 VECTOR_TYPE variables.
4172 2006-04-05 Richard Guenther <rguenther@suse.de>
4174 PR tree-optimization/26763
4175 * fold-const.c (fold_comparison): Move folding of
4176 PTR + CST CMP PTR + CST ...
4177 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4179 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4181 * doc/install.texi (Prerequisites): Refine some wording on
4182 bootstrapping and ksh.
4183 Move the version numbers of DejaGnu here from the testing section
4184 and fix casing of names.
4185 Fix markup and clarify wording for autogen requirements.
4186 Refer to GCJ instead of just java.
4187 Refer to SVN instead of CVS.
4188 Describe diffutils as useful instead of necessary.
4189 (Downloading the source): Refer to SVN instead of CVS.
4190 Adjust a link to our web site accordingly.
4191 (Configuration): Fix casing of Bison.
4192 (Building): Refer to SVN instead of CVS.
4193 Fix a sentence on the use of Bison and remove duplicate (and
4194 incorrect) version number of Bison requirement.
4195 Remove one redundant list of packages needed for building.
4196 (Specific): Avoid reference to CVS.
4198 2006-04-04 Eric Christopher <echristo@apple.com>
4200 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4201 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4202 (rs6000_handle_struct_attribute): New.
4203 (rs6000_ms_bitfield_layout_p): Ditto.
4205 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4207 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4208 NULL for dso parameter to atexit_common.
4210 2006-04-04 Eric Christopher <echristo@apple.com>
4212 * config/i386/i386.c (machopic_output_stub): Output \t
4213 between instructions and operands.
4215 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4217 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4218 satisfies_constraint_[IL] to explicit tests on value.
4220 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4222 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4223 set_nb_iterations_in_loop): Use build_int_cst instead of
4225 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4226 build_int_cst instead of convert.
4228 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4230 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4231 new value 2 for incoming.
4232 * function.c (expand_function_start): Call struct_value_rtx
4234 * config/sparc/sparc.md: Comment updated_return.
4235 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4236 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4237 struct return if sparc_std_struct_return and incoming is 2.
4238 (print_operand): Do not adjust return if
4239 sparc_std_struct_return.
4241 2006-04-04 Roger Sayle <roger@eyesopen.com>
4243 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4244 convert in the middle-end.
4245 * expr.c (store_expr, store_constructor, get_inner_reference,
4246 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4248 * tree.c (build_range_type): Likewise.
4250 2006-04-04 Tom Tromey <tromey@redhat.com>
4252 * doc/install.texi (Prerequisites): Mention jar.
4254 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4256 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4259 2006-04-04 Matthias Klose <doko@debian.org>
4261 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4262 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4265 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4267 * doc/extend.texi (Function Attributes): Rewrite visibility
4268 attribute documentation.
4269 * doc/invoke.texi (C++ Dialect Options): Rewrite
4270 -fvisibility-inlines-hidden documentation to describe something
4271 entirely different, although in practise compatible.
4272 (Code Gen Options): Warn about system headers in -fvisibility=
4275 * doc/extend.texi (Other Builtins): Document that
4276 __builtin_nan is a compile-time constant only when its argument
4279 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4281 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4282 trying to remove TRUNCATE check if all bits outside the new mode
4283 are identical to the sign bit.
4285 2006-04-03 Jeff Law <law@redhat.com>
4287 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4288 and operand scanning in some common cases.
4290 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4291 Dale Johannesen <dalej@apple.com>
4294 * regclass.c (struct reg_pref): Update documentation.
4295 (regclass): Set prefclass to NO_REGS if memory is the best option.
4296 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4297 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4298 into account. For non-registers, equate an empty preferred
4299 reload class to a `!' in the constraint; move the if clause to
4300 do so after those that reject the insn.
4301 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4303 (find_dummy_reload): Likewise.
4304 * doc/tm.texi (Register Classes): Document what it means
4305 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4306 * config/i386/i386.c (ix86_preferred_reload_class): Force
4307 using SSE registers (and return NO_REGS for floating-point
4308 constants) if math is done with SSE.
4309 (ix86_preferred_output_reload_class): New.
4310 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4311 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4312 * config/i386/i386.md: Remove # register preferences.
4314 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4317 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4318 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4319 the type of nb_iter.
4320 (instantiate_parameters_1): Convert the operands before calling
4321 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4322 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4324 2006-04-02 Roger Sayle <roger@eyesopen.com>
4326 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4327 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4329 * dojump.c (do_jump): Likewise.
4330 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4331 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4332 gimplify_boolean_expr): Likewise.
4333 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4334 * varasm.c (array_size_for_constructor): Likewise.
4335 * tree-object-size.c (compute_object_offset): Likewise.
4337 2006-04-02 Roger Sayle <roger@eyesopen.com>
4340 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4341 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4343 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4345 PR tree-optimization/26939
4346 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4348 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4350 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4351 at_stmt. Convert the type of operands before calling
4352 build_polynomial_chrec.
4353 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4355 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4356 (instantiate_parameters_1): Convert the type of operands before calling
4357 build_polynomial_chrec.
4358 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4359 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4360 reset_evolution_in_loop): Insert asserts to check the types of the
4362 (chrec_type): Moved...
4363 (eq_evolutions_p): Use operand_equal_p.
4364 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4365 the types of the operands.
4366 (chrec_type): ...here.
4367 * tree-data-ref.c (create_data_ref): Convert the operands before
4368 calling chrec_replace_initial_condition.
4369 (same_access_functions, analyze_subscript_affine_affine,
4370 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4371 (compute_subscript_distance, analyze_ziv_subscript,
4372 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4373 analyze_miv_subscript): Convert the operands before calling
4374 chrec_fold_minus or chrec_fold_plus.
4376 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4378 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4379 the dependence_relations vector.
4380 (compute_data_dependences_for_loop): Adjust call to
4381 compute_all_dependences.
4383 2006-04-01 Roger Sayle <roger@eyesopen.com>
4384 Richard Henderson <rth@redhat.com>
4386 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4387 gimple_boolify on the condition before calling gimplify_expr.
4389 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4391 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4392 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4393 the frame size. Update to use the new macros.
4394 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4395 * config/xtensa/ieee754-df.S: Likewise.
4397 2006-03-31 Richard Henderson <rth@redhat.com>
4399 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4400 (make_edges): ... here. Control fallthru creation with a local
4401 variable. Do not play with fake edges.
4402 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4403 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4406 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4408 * dwarf2.h (DW64_CIE_ID): Define.
4409 * dwarf2out.c (DWARF_CIE_ID): Define.
4410 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4411 length header. Use DWARF_CIE_ID.
4412 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4413 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4415 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4417 * config/sh/linux-atomic.asm: New file.
4418 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4420 2006-03-31 DJ Delorie <dj@redhat.com>
4422 * config/m32c/cond.md: Set condition flags properly throughout.
4423 * config/m32c/minmax.md: Likewise.
4424 * config/m32c/prologue.md: Likewise.
4425 * config/m32c/bitops.md: Likewise.
4426 * config/m32c/muldiv.md: Likewise.
4427 * config/m32c/mov.md: Likewise.
4428 * config/m32c/addsub.md: Likewise.
4429 * config/m32c/m32c.md: Likewise.
4430 * config/m32c/jump.md: Likewise.
4431 * config/m32c/shift.md: Likewise.
4433 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4434 conditionally output the pattern for this.
4435 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4436 (m32c_compare_redundant): New.
4437 (m32c_output_compare): New.
4438 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4440 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4441 dest, not src. Allow other 4-byte modes.
4443 2006-03-30 Denis Chertykov <denisc@overta.ru>
4445 * doc/md.texi: Refer to avr/constraints.md instead of
4448 2006-03-30 Roger Sayle <roger@eyesopen.com>
4450 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4451 signed vs. unsigned comparison failures on some hosts.
4453 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4456 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4457 change to FLOAT_REGS.
4459 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4460 (rs6000_override_options): Use it.
4461 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4462 only for -mabi=spe/no-spe and -mabi=altivec.
4464 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4466 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4469 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4471 * Makefile.in: Rename docdir to gcc_docdir.
4473 2006-03-30 Roger Sayle <roger@eyesopen.com>
4476 * expr.c (emit_group_store): Optimize group stores into a pseudo
4477 register by using a paradoxical subreg to initialize the destination
4478 if the first or last member of the group specifies a "low part".
4480 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4483 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4484 * target.h (struct gcc_target.speculate_insn): Change type of the
4485 second parameter to 'int'.
4486 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4487 the second operand of the DEPS_LIST.
4488 (copy_DEPS_LIST_list): Update reference to the second operand of the
4490 * rtl.h (alloc_DEPS_LIST): Update signature.
4491 * sched-int.h (ds_t): Change typedef to 'int'.
4492 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4494 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4496 * haifa-sched.c (try_ready): Change condition to restore
4497 non-speculative pattern of the instruction.
4498 (process_insn_depend_be_in_spec): Code to keep probability of the
4499 speculative dependence non-decreasing.
4501 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4503 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4504 (single_move_for_movmem): ... this. Also change all uses.
4505 (bfin_expand_strmov): Renamed to...
4506 (bfin_expand_movmem): ... this. Also change all uses.
4507 * config/bfin/bfin.md (movstrsi): Renamed to...
4508 (movstrsi): ...this.
4510 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4512 PR tree-optimization/26830
4514 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4515 (copy_prop_visit_stmt): Remove write-only variable ann.
4516 (init_copy_prop): Check variable loop depth here. Do not simulate
4517 memory-tag and virtual operand PHIs except for store copy prop.
4519 2006-03-30 Richard Guenther <rguenther@suse.de>
4521 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4522 variants with double arguments.
4524 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4526 * genpreds.c (write_tm_constrs_h): Delete variable p.
4527 * genconditions.c (write_header): Add tm-constrs.h to included
4529 * genpeep.c (main): Add toplev.h to included headers.
4530 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4531 (build/genpeep.o): Add toplev.h dependency.
4532 * config/rs6000/constraints.md: Add "W" constraint.
4534 2006-03-29 Roger Sayle <roger@eyesopen.com>
4536 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4537 sizes by correctly testing whether the size fits a host integer.
4538 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4539 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4540 SImode range for the default sizetype and bitsizetype.
4542 2006-03-29 Roger Sayle <roger@eyesopen.com>
4544 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4545 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4546 quickly if the argument is already of the correct type.
4547 Call fold_build1 instead of build1. Tidy up blank lines.
4549 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4551 * genemit.c (main): Add tm-constrs.h to included headers.
4552 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4553 * genpeep.c (main): Add tm-constrs.h to included headers.
4554 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4555 (write_tm_constrs_h): this and write complete file.
4556 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4557 (write_insn_preds_c): Add tm-constrs.h to included headers.
4558 (gen_constrs): New variable.
4559 (parse_option): Parse "-c".
4560 (main): Invoke write_tm_constrs_h.
4561 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4562 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4563 (object_out_file): Add tm-constrs.h dependency.
4564 (insn-emit.o): Same.
4565 (insn-output.o): Same.
4566 (insn-peep.o): Same.
4567 (insn-preds.o): Same.
4568 (insn-recog.o): Same.
4569 (tm-constsr.h): New target.
4570 (s-constrs-h): New target.
4572 * config/rs6000/constraints.md: New file.
4573 * config/rs6000/rs6000.c: Include tm-constrs.h.
4574 (num_insn_constant_wide): Convert to satisfies_constraint.
4575 (rs6000_rtx_costs): Convert to satisfies_constraint.
4576 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4577 (CONST_OK_FOR_LETTER_P): Delete.
4578 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4579 (EXTRA_CONSTRAINT): Delete.
4580 (EXTRA_MEMORY_CONSTRAINT): Delete.
4581 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4582 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4583 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4584 satisfies_constraint.
4586 * config/i386/i386.c: Include tm-constrs.h.
4588 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4590 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4591 * tree-data-ref.c (find_data_references_in_loop,
4592 compute_data_dependences_for_loop): Use pointers to VEC.
4593 (analyze_all_data_dependences): Adjust calls.
4594 * tree-data-ref.h (find_data_references_in_loop,
4595 compute_data_dependences_for_loop): Adjust declarations.
4596 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4597 compute_data_dependences_for_loop.
4599 2006-03-29 Paul Brook <paul@codesourcery.com>
4601 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4604 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4606 PR tree-optimization/26859
4607 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4609 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4610 for the step after fold_convert.
4612 2006-03-29 Paul Brook <paul@codesourcery.com>
4614 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4615 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4617 2006-03-29 Paul Brook <paul@codesourcery.com>
4620 * targhooks.c (default_narrow_bitfield): New fuction.
4621 * targhooks.h (default_narrow_bitfield): add prototype.
4622 * target.h (gcc_target): Add narrow_volatile_bitfield.
4623 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4624 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4625 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4626 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4628 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4630 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4632 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4633 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4634 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4635 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4636 (s390_function_arg_float): Allow SDmode and DDmode values to be
4637 passed in floating point registers.
4638 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4639 check with SCALAR_FLOAT_MODE_P.
4640 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4642 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4644 PR tree-optimization/25985
4645 * tree-ssa-loop-niter.c (number_of_iterations_le,
4646 number_of_iterations_ne): Make comments more precise.
4647 (number_of_iterations_cond): Add only_exit argument. Use the
4648 fact that signed variables do not overflow only when only_exit
4650 (loop_only_exit_p): New.
4651 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4652 number_of_iterations_cond.
4654 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4656 PR tree-optimization/26643
4657 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4660 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4662 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4663 (divsi3_i4_int): Likewise.
4665 2006-03-28 Roger Sayle <roger@eyesopen.com>
4667 * expr.c (emit_group_store): Only create a new pseudo reg if the
4668 quantity it needs to hold isn't already a suitable pseudo.
4670 2006-03-28 Jeff Law <law@redhat.com>
4672 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4673 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4675 2006-03-28 Roger Sayle <roger@eyesopen.com>
4677 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4678 the equivalent ~X & Y, and the symmetry related transformations.
4679 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4680 ~X & Y, and symmetry related transforms.
4682 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4684 Revert my 2006-03-27 patches.
4686 2006-03-28 Roger Sayle <roger@eyesopen.com>
4688 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4689 ~(T1)X, when T1 and T2 are integer types of the same precision
4690 and (T2)X isn't an extension.
4692 2006-03-28 Jeff Law <law@redhat.com>
4694 PR tree-optimization/26796
4695 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4696 need EH edge cleanups rather than purging them immediately.
4697 (eliminate_degenerate_phis): Handle queued EH cleanups.
4699 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4701 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4704 2006-03-27 Roger Sayle <roger@eyesopen.com>
4707 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4708 cast BIT_NOT_EXPR operand to the correct type.
4710 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4712 * tree-loop-linear.c: Don't include varray.h.
4713 (gather_interchange_stats, try_interchange_loops,
4714 linear_transform_loops): Use VEC instead of VARRAY.
4715 * lambda-mat.c: Don't include varray.h.
4716 * tree-chrec.c: Same.
4717 * lambda-trans.c: Same.
4718 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4719 VEC instead of VARRAY.
4720 * tree-vectorizer.h: Idem.
4721 * tree-data-ref.c (dump_data_references,
4722 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4723 initialize_data_dependence_relation, finalize_ddr_dependent,
4724 compute_all_dependences, find_data_references_in_loop,
4725 compute_data_dependences_for_loop, analyze_all_data_dependences,
4726 free_dependence_relation, free_dependence_relations,
4727 free_data_refs): Idem.
4728 * tree-data-ref.h (data_reference_p, subscript_p): New.
4729 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4730 VEC instead of VARRAY.
4731 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4732 (find_data_references_in_loop, compute_data_dependences_for_loop,
4733 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4734 dump_data_dependence_relations, free_dependence_relations,
4735 free_data_refs): Adjust declaration.
4736 (lambda_transform_legal_p): Move declaration here...
4737 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4738 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4739 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4740 vect_analyze_data_refs): Use VEC instead of VARRAY.
4741 * lambda.h (lambda_transform_legal_p): ...from here.
4742 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4743 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4744 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4745 tree-chrec.o): Don't depend on VARRAY_H.
4747 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4749 * rtl.def (Copyright): Update date.
4750 (DEPS_LIST): Change type of the second operand to 'int'.
4751 * target.h (Copyright): Update date.
4752 (struct gcc_target.speculate_insn): Change type of the second parameter
4754 * lists.c (Copyright): Update date.
4755 (alloc_DEPS_LIST): Change signature. Update reference to the second
4756 operand of the DEPS_LIST.
4757 (copy_DEPS_LIST_list): Update reference to the second operand of the
4759 * rtl.h (Copyright): Update date.
4760 (alloc_DEPS_LIST): Update signature.
4761 * sched-int.h (Copyright): Update date.
4762 (ds_t): Change typedef to 'int'.
4763 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4765 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4767 * haifa-sched.c (Copyright): Update date.
4768 (try_ready): Change condition to restore non-speculative pattern
4770 (process_insn_depend_be_in_spec): Code to keep probability of the
4771 speculative dependence non-decreasing.
4773 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4775 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4776 shut up the compiler.
4778 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4780 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4781 to use lib prefix for target.
4782 ($(T)libic_invalidate_array_4-200.a): Likewise.
4783 ($(T)libic_invalidate_array_4a.a): Likewise.
4785 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4786 J"orn Rennecke <joern.rennecke@st.com>
4788 * superh.opt: New file.
4789 * sh.c (boardtype, osruntime): Remove.
4790 * superh.h (SUBTARGET_OPTIONS): Remove.
4791 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4793 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4794 arguments with ^ and/or [].
4796 * config.gcc (sh-*-*): Add quoting to account for quirk of
4798 Replace == with = in enable_incomplete_targets test.
4800 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4801 with MASK_LITTLE_ENDIAN.
4803 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4804 * config/sh/sh.opt: Added to some comments.
4805 * config/sh/superh.h: Removed some chaff.
4807 * config/sh/sh.opt: Add m4-[1234]00* options.
4808 * config/sh/sh.c (sh_handle_option): Likewise.
4809 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4810 (ic_invalidate_array_4-100.o): New rule.
4811 ($(T)libic_invalidate_array_4-100.a): Likewise.
4812 (ic_invalidate_array_4-200.o): Likewise.
4813 ($(T)libic_invalidate_array_4-200.a): Likewise.
4814 (ic_invalidate_array_4a.o): Likewise.
4815 ($(T)libic_invalidate_array_4a.a): Likewise.
4816 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4817 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4819 * config/sh/crt1.asm: Merged in profiling code.
4820 * config/sh/superh.h (STARTFILE_SPEC): Override.
4821 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4822 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4823 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4825 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4826 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4827 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4829 * sh.opt (mpretend-cmove): New option.
4830 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4831 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4832 (movsicc): Add TARGET_PRETEND_CMOVE code.
4834 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4836 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4837 s390_class_max_nregs): New function prototypes.
4838 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4839 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4840 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4841 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4843 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4845 * dwarf2out.c (add_location_or_const_value_attribute): Call
4846 tree_add_const_value_attribute if nothing else works.
4847 (reference_to_unused): New.
4848 (rtl_for_decl_init): Use reference_to_unused to decide whether
4849 to output an initializer.
4851 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4854 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4855 peephole removing spe frob_di_df_2.
4857 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4859 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4860 (subscript_dependence_tester_1): Declared.
4861 (print_dir_vectors, print_dist_vectors): New.
4862 (debug_data_dependence_relation): New.
4863 (dump_data_dependence_relation): Print more details.
4864 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4865 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4866 (save_dist_v, save_dir_v, add_outer_distances,
4867 build_classic_dist_vector_1): New.
4868 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4869 Don't test for lambda_vector_lexico_pos.
4870 (same_access_functions, add_multivariate_self_dist,
4871 add_other_self_distances, dir_from_dist): New.
4872 (build_classic_dir_vector): Replace implementation almost identical to
4873 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4875 (subscript_dependence_tester_1): New.
4876 (subscript_dependence_tester): Handle the lexicographically negative
4877 distance vectors by recomputing the dependence relation.
4878 (compute_affine_dependence): Remove parameter loop_nest_depth.
4879 (compute_self_dependence): Don't call compute_subscript_distance.
4880 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4881 Add a parameter for the loop_nest.
4882 (find_loop_nest_1, find_loop_nest): New.
4883 (compute_data_dependences_for_loop): Compute the loop nest, and give
4884 up if the nest is not well formed.
4885 * tree-data-ref.h (loop_p): New.
4886 (struct data_dependence_relation): Replace size_vect field with
4887 loop_nest, a vec of loops.
4888 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4889 (DDR_LOOP_NEST): New.
4890 (print_dir_vectors, print_dist_vectors,
4891 debug_data_dependence_relation): Declared.
4892 (index_in_loop_nest): New.
4893 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4894 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4897 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4899 * simplify-rtx.c (simplify_relational_operation): Call
4900 simplify_relational_operation_1 even if mode is VOIDmode.
4902 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4904 PR tree-optimization/26804
4905 * tree.h (DECL_CALL_CLOBBERED): New macro.
4906 (tree_decl_common): Add call_clobbered_flag.
4907 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4908 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4909 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4910 (mark_non_addressable): Ditto.
4911 * tree-ssa.c (verify_call_clobbered): New function.
4912 (verify_alias_info): Use it.
4913 * tree-pass.h (pass_reset_cc_flags): New prototype.
4914 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4915 (reset_cc_flags): New function.
4916 * passes.c (init_optimization_passes): Call reset_cc_flags after
4917 initializing referenced_vars.
4919 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4920 Roger Sayle <roger@eyesopen.com>
4923 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4924 to 1.0 for non-real operands. Implement A / A optimization for
4927 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4929 * config/i386/i386.c (size_cost): Correct the comment for
4930 cost of storing fp registers.
4931 (i386_cost): Likewise.
4932 (i486_cost): Likewise.
4933 (pentium_cost): Likewise.
4934 (pentiumpro_cost): Likewise.
4935 (k6_cost): Likewise.
4936 (athlon_cost): Likewise.
4937 (k8_cost): Likewise.
4938 (pentium4_cost): Likewise.
4939 (nocona_cost): Likewise.
4940 (generic64_cost): Likewise.
4941 (generic32_cost): Likewise.
4943 2006-03-24 Denis Chertykov <denisc@overta.ru>
4945 * config/avr/avr-protos.h (extra_constraint): Delete.
4946 (extra_constraint_Q): New declaration.
4947 * config/avr/constraints.md: New file.
4948 * config/avr/avr.md: Include it.
4949 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4950 (TMP_REGNO, ZERO_REGNO): Likewise.
4951 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4952 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4953 (extra_constraint): Delete.
4954 (extra_constraint_Q): Test for memory constraint 'Q'.
4955 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4956 (REG_CLASS_FROM_LETTER): Delete.
4957 (CONST_OK_FOR_LETTER_P): Delete.
4958 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4959 (EXTRA_CONSTRAINT): Delete.
4960 (TMP_REGNO): Delete.
4961 (ZERO_REGNO): Delete.
4963 2006-03-24 Jeff Law <law@redhat.com>
4965 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4966 directly. Call mark_new_vars_to_rename slightly earlier.
4968 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4970 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4972 (gen_compile_unit_die): Use new language types for Objective-C and
4974 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4975 DW_LANG_C_plus_plus.
4978 * config/t-darwin (crt3.o): Work around bug 26840.
4979 * config/darwin-crt3.c: Rewrite.
4980 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4982 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4984 * doc/invoke.texi: Document -femit-class-debug-always
4985 * common.opt: Add -femit-class-debug-always.
4987 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4989 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4990 index and base register.
4991 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4992 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4993 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4994 REGNO_OK_FOR_INDEX_P.
4995 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4997 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4998 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4999 REG_OK_FOR_BASE_P): Definitions removed.
5001 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5004 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5005 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5006 set yet or weren't marked as local yet.
5008 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5010 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5013 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5015 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5016 (rs6000_legitimate_small_data_p): Delete.
5017 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5018 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5019 and make static. Add forward declaration. Update uses.
5020 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5021 of offsettable_memref_p.
5022 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5023 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5025 2006-03-24 Jeff Law <law@redhat.com>
5027 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5028 around bug in immediate-use iterator.
5030 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5033 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5034 or __LITTLE_ENDIAN__.
5036 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5038 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5039 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5040 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5041 * config/sh/sh.opt (mdiv=): Amend description.
5042 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5043 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5044 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5045 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5046 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5047 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5048 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5049 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5050 TARGET_DIVIDE_CALL_FP.
5052 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5054 * haifa-sched.c (choose_ready): Fix type of the local variable.
5055 Move local variables. Add comment.
5056 (check_reg_live): Change signature. Make callable from debugger.
5057 * sched-int.h (check_reg_live): Update signature.
5058 * sched-ebb.c (check_reg_live): Update parameters.
5059 * sched-rgn.c (check_reg_live): Ditto.
5060 (region_head_or_leaf_p): Check pointer before dereferencing.
5061 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5062 before reload on optimization levels below 1.
5064 2006-03-23 Richard Henderson <rth@redhat.com>
5066 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5070 * config/alpha/predicates.md (local_symbolic_operand): Reject
5073 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5076 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5077 expressions which have overflowed constants.
5079 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5081 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5083 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5085 * cfgloopmanip.c (create_loop_notes): Removed.
5086 * final.c (final_scan_insn): Do not handle loop notes.
5087 * jump.c (squeeze_notes): Ditto.
5088 * cfglayout.c (skip_insns_after_block,
5089 duplicate_insn_chain): Ditto.
5090 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5092 * cfgloop.h (create_loop_notes): Declaration removed.
5094 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5096 * varasm.c (output_constant_pool): Restore fnname and fndecl
5098 (assemble_start_function): Adjust call accordingly.
5099 (assemble_end_function): Likewise.
5101 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5104 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5107 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5109 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5112 * system.h (ICE_EXIT_CODE): New macro.
5113 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5114 (diagnostic_action_after_output): Likewise.
5115 * gcc.c (fatal_ice): New function.
5116 (execute): Use it instead of fatal.
5117 (fancy_abort): Likewise.
5118 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5120 2006-03-22 Jeff Law <law@redhat.com>
5122 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5123 iv_analyze_result returning false.
5125 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5127 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5129 2006-03-22 Richard Henderson <rth@redhat.com>
5132 * except.c (duplicate_eh_regions_0): New.
5133 (duplicate_eh_region_1): Duplicate the children of the node as
5134 well as the node itself. Link them up properly.
5135 (duplicate_eh_region_2): Merge into ...
5136 (duplicate_eh_regions): ... here. Take copy_region argument, and
5137 copy only a sub-tree if asked. Simplify copying and fixup.
5138 (eh_region_outer_p): New.
5139 * except.h (duplicate_eh_regions): Update decl.
5140 (eh_region_outer_p): Declare.
5141 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5142 (lower_omp_master): Likewise.
5143 (lower_omp_ordered): Likewise.
5144 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5145 (move_stmt_r): Use it to remap labels. Handle recursion vs
5146 remap_decls_p properly.
5147 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5148 (find_outermost_region_in_block): New.
5149 (new_label_mapper): New.
5150 (move_sese_region_to_fn): Copy eh information to the new function
5152 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5154 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5157 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5159 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5160 into shared libraries.
5162 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5164 * doc/md.texi: Refer to i386/constraints.md instead of
5166 * config/i386/constraints.md: New file, extracted from...
5167 * config/i386/predicates.md: ...here.
5168 * config/i386/i386.md: Include constraints.md.
5170 2006-03-21 Jason Merrill <jason@redhat.com>
5172 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5175 * expr.c (init_block_move_fn): Force default visibility.
5176 (init_block_clear_fn): Likewise.
5177 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5178 * targhooks.c (default_external_stack_protect_fail): Likewise.
5180 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5182 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5183 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5184 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5185 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5186 (loadgp): Use mips_current_loadgp_style.
5187 (loadgp_noshared): New pattern.
5188 (sibcall_internal): Use MIPS_CALL.
5189 (sibcall_value_internal): Likewise.
5190 (sibcall_value_multiple_internal): Likewise.
5191 (call_internal): Likewise.
5192 (call_value_internal): Likewise.
5193 (call_value_multiple_internal): Likewise.
5194 (call_split): Use MIPS_CALL and add an 'S' constraint.
5195 (call_value_split): Likewise.
5196 (call_value_multiple_split): Likewise.
5197 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5198 (-mshared): New option.
5199 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5200 (mips_current_loadgp_style): Declare.
5201 * config/mips/mips.c (mips_classify_symbol): Avoid using
5202 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5203 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5204 TARGET_ABSOLUTE_ABICALLS.
5205 (override_options): Adjust comments. Improve the warning that is
5206 issued when -mabicalls and -G are used together.
5207 (mips_file_start): Remove comment.
5208 (mips_current_loadgp_style): New function.
5209 (mips_gnu_local_gp): New variable.
5210 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5212 (mips_output_function_prologue): Use mips_current_laodgp_style.
5213 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5214 the cprestore instruction.
5215 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5216 live for TARGET_ABSOLUTE_ABICALLS.
5217 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5218 (ASM_SPEC): Pass down -mshared and -mno-shared.
5219 (MIPS_CALL): New macro.
5220 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5222 * doc/invoke.texi (-mabicalls): Update documentation.
5223 (-mshared): Document.
5225 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5227 * config/ia64/unwind-hpux.c: New file.
5228 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5230 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5233 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5235 2006-03-21 Jeff Law <law@redhat.com>
5237 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5238 type conversions of a VR_VARYING source to a wider type.
5240 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5242 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5243 tm_file on Solaris 10 and later.
5244 (sparc64-*-solaris2*): Likewise.
5245 (sparc-*-solaris2*): Likewise.
5246 * config/sol26.h: Rename to config/sol2-6.h.
5247 * config/sol2-10.h: New file.
5249 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5252 * tree-ssa-pre.c (create_component_ref_by_pieces):
5255 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5258 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5259 return it immediately.
5261 2006-03-21 Michael Matz <matz@suse.de>
5263 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5265 (remove_arc, add_arc): Update num_out_arcs member.
5266 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5268 (cache_presence): New function.
5269 (compare_states_for_equiv): New function.
5270 (state_is_differed): Don't take number of outargs, adjust callers.
5271 Use new invariant for speeding up.
5272 (init_equiv_class): Create initial classes based on sorted
5274 (partition_equiv_class): Don't track out_arcs_num.
5275 (evaluate_equiv_classes): Call cache_presence on all states and
5278 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5280 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5281 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5282 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5283 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5285 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5286 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5287 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5288 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5289 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5291 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5292 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5293 (REGNO_REG_CLASS): ARGP is in PREGS.
5294 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5296 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5297 to deal with those addresses.
5298 * addresses.h: New file.
5299 * caller-save.c: Include "addresses.h".
5300 (init_caller_save): Use new base_reg_class function.
5301 * rtl-factoring.c: Include "addresses.h".
5302 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5303 * recog.c: Include "addresses.h".
5304 (preprocess_constraints): Use new base_reg_class function.
5305 * regrename.c: Include "addresses.h".
5306 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5307 functions. Keep track of a new var INDEX_CODE to compute valid
5309 (replace_oldest_value_addr): Likewise.
5310 (replace_oldest_value_mem): Use base_reg_class.
5311 * reload.c: Include "addresses.h".
5312 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5313 (find_reloads): Use new base_reg_class function.
5314 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5315 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5316 all callers and prototype changed.
5317 * reload1.c: Include "addresses.h".
5318 (maybe_fix_stack_asms): Use base_reg_class.
5319 * regclass.c: Include "addresses.h".
5320 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5321 (init_reg_autoinc): Use new base_reg_class function.
5322 (record_reg_classes): Likewise.
5323 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5324 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5325 Use new args to compute necessary class.
5327 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5328 regrename.o, rtl-factoring.o): Update dependencies.
5329 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5330 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5331 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5332 REG_OK_FOR_INDEX_P): Delete documentation.
5334 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5336 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5337 from V7 to V9 for Solaris 7 and above.
5339 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5341 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5342 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5343 argument pointers may not alias any other storage.
5344 * common.opt: Define option -fargument-noalias-anything.
5345 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5346 alias semantics is specified by flag_argument_noalias > 2.
5348 2006-03-20 Jeff Law <law@redhat.com>
5350 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5351 (pass_phi_only_cprop): Declare.
5352 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5354 * tree-ssa-dom.c (degenerate_phi_result): New function.
5355 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5356 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5357 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5358 (eliminate_degenerate_phis): Likewise.
5359 (pass_phi_only_cprop): New pass descriptor.
5360 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5361 support code. Callers updated.
5362 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5363 (store_copy_prop): Likewise.
5364 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5366 2006-03-20 Jason Merrill <jason@redhat.com>
5369 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5370 (push_visibility, pop_visibility): Likewise.
5371 * c-pragma.h: Declare them.
5373 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5375 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5377 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5378 parameter and use get_ebb_head_tail.
5379 (sh_md_init_global): Adjust uses of find_regmode_weight.
5381 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5383 * function.h (struct function) <x_tail_recursion_reentry>:
5384 Rename to x_stack_check_probe_note.
5385 (tail_recursion_reentry): Rename to stack_check_probe_note.
5386 * function.c: Replace tail_recursion_reentry with
5387 stack_check_probe_note everywhere.
5388 (expand_function_start): Only emit a note for
5389 stack_check_probe_note with -fstack-protect.
5390 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5392 * emit-rtl.c (remove_unnecessary_notes): Remove.
5393 (pass_remove_unnecessary_notes): Remove.
5394 * rtl.h (remove_unnecessary_notes): Remove prototype.
5395 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5396 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5397 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5399 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5402 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5403 (valid_in_set): Handle ARRAY_REF.
5404 Change "if min_variant or VH" to asserts.
5405 (create_component_ref_by_pieces): Handle ARRAY_REF.
5406 (create_expression_by_pieces): Likewise.
5407 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5409 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5411 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5412 is operand of switch, not str[0].
5414 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5416 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5417 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5419 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5421 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5422 end of insn_extra_address_constraint declaration.
5424 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5426 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5427 (no-sum-in-toc): Same.
5428 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5430 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5431 NO_FP_IN_TOC for -fPIC instead of mask.
5433 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5434 (BOOT_LDFLAGS): Delete.
5436 * config/rs6000/t-aix52: Same.
5438 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5439 (stmsi[345678]_power): New.
5441 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5443 * config/ia64/ia64.opt: Add empty line to end of file.
5445 2006-03-17 Richard Guenther <rguenther@suse.de>
5448 * builtins.c (get_pointer_alignment): For component style references
5449 adjust alignment to the component type alignment. Make sure
5450 to adjust alignment for component access of constants.
5452 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5454 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5457 2006-03-17 Paul Brook <paul@codesourcery.com>
5459 * doc/install.texi: Docuemnt --with-mode.
5460 * config.gcc: Add --with-mode for arm*-*-*.
5461 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5463 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5465 * sh.c (max_labelno_before_reorg): New variable.
5466 (sh_reorg): Initialize it.
5467 (find_barrier): Check max_labelno_before_reorg before using
5468 label_to_alignment. Take length of explicit alignment insns
5469 into account. When seeing a UNSPECV_CONST_END, return it.
5471 * sh.c (fixup_mova): Set mode of affected label to QImode.
5472 (untangle_mova): New function.
5473 (find_barrier): Use it. Check mode of label before decrementing
5475 (sh_reorg): Likewise.
5476 Set mode of all insns back to VOIDmode.
5478 * sh.c (MOVA_LABELREF): New macro.
5479 (mova_p, fixup_mova, sh_reorg): Use it.
5480 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5481 ADDR_DIFF_VEC matches mova.
5483 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5485 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5486 with ATTRIBUTE_UNUSED.
5488 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5490 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5491 pointer, instead of assuming it is possible to derive the
5492 correct args size from a call insn.
5494 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5496 * rtl.h (CONST_INT_P): Define.
5497 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5498 instead of GET_CODE(x) == CONST_INT.
5499 (vax_rtx_costs): Likewise.
5500 (vax_output_int_move): Likewise.
5501 (vax_output_int_add): Likewise.
5502 (legitimate_constant_address_p): Likewise.
5503 (index_term_p): Likewise.
5504 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5505 * config/vax/vax.md (and<mode>3): Likewise.
5506 (ashrsi3): Likewise.
5508 (movstricthi): Likewise.
5509 (movstrictqi): Likewise.
5510 (rotrsi3): Likewise.
5511 (five unnamed insns): Likewise.
5513 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5515 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5516 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5517 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5518 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5519 Pass to ASM_OUTPUT_DWARF_OFFSET.
5520 * dwarf2out.c (debug_frame_section): New.
5521 (output_call_frame_info): Use debug_frame_section. Pass it to
5522 dw2_asm_output_offset.
5523 (output_die): Pass appropriate section to dw2_asm_output_offset.
5524 (output_compilation_unit_header): Likewise.
5525 (output_pubnames): Likewise.
5526 (output_aranges): Likewise.
5527 (enum dw_val_class): Break dw_val_class_lbl_offset into
5528 dw_val_class_lineptr and dw_val_class_macptr.
5529 (add_AT_lbl_offset): Delete.
5530 (add_AT_lineptr): New.
5531 (add_AT_macptr): New.
5532 (AT_lbl): Expect a lineptr or macptr.
5533 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5534 (attr_checksum): Likewise.
5535 (same_dw_val_p): Likewise.
5536 (size_of_die): Likewise.
5537 (value_format): Likewise.
5538 (output_die): Likewise.
5539 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5541 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5542 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5543 * config/darwin-protos.h (darwin_file_start): New.
5544 (darwin_asm_output_dwarf_offset): New.
5545 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5546 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5548 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5549 if not EH section; simplify.
5550 (darwin_file_start): New.
5551 (darwin_asm_output_dwarf_offset): New.
5552 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5554 (DEBUG_INFO_SECTION): Likewise.
5555 (DEBUG_ABBREV_SECTION): Likewise.
5556 (DEBUG_ARANGES_SECTION): Likewise.
5557 (DEBUG_MACINFO_SECTION): Likewise.
5558 (DEBUG_LINE_SECTION): Likewise.
5559 (DEBUG_LOC_SECTION): Likewise.
5560 (DEBUG_PUBNAMES_SECTION): Likewise.
5561 (DEBUG_STR_SECTION): Likewise.
5562 (DEBUG_RANGES_SECTION): Likewise.
5563 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5564 (ASM_OUTPUT_DWARF_OFFSET): New.
5566 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5568 * config.gcc (tm_defines): Always add to previous value rather
5571 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5573 * config/mips/predicates.md (splittable_const_int_operand): New,
5574 split from move_operand.
5575 (splittable_symbolic_operand): New.
5576 (move_operand): Add commentary. Use splittable_const_int_operand.
5577 Inline mips_atomic_symbolic_constant_p.
5578 * config/mips/mips.md: Add combine splitters for handling moves
5579 of splittable_const_int_operands and splittable_symbolic_operands.
5580 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5581 (mips_split_symbol): Declare.
5582 (mips_move_integer): Declare.
5583 * config/mips/mips.c (mips_split_p): Make global.
5584 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5585 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5586 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5587 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5588 (mips_offset_within_object_p): Handle block symbols.
5589 (mips_atomic_symbolic_constant_p): Delete.
5590 (mips_cannot_force_const_mem): Return false for constants that
5591 mips_legitimize_move can handle.
5592 (mips_use_blocks_for_constant_p): New function.
5593 (mips_split_symbol): Make global.
5594 (mips_move_integer): Likewise. Add a temporary register argument.
5595 (mips_legitimize_const_move): Use splittable_const_int_operand and
5596 splittable_symbolic_operand.
5597 (mips_use_anchors_for_symbol_p): New function.
5598 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5599 (mips_split_p): Declare.
5601 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5603 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5604 (mips*-*-linux*): Likewise.
5606 2006-03-16 Roger Sayle <roger@eyesopen.com>
5607 Daniel Speyer <dspeyer@wam.umd.edu>
5610 * tree-dump.c (dump_real): New function.
5611 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5612 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5613 (tree-dump.o): Add $(REAL_H) to the dependencies.
5615 2006-03-16 Roger Sayle <roger@eyesopen.com>
5618 * real.c (real_from_string): If the mantissa is zero, don't bother
5619 parsing the exponent as the result should always be zero.
5621 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5623 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5625 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5627 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5628 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5629 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5630 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5631 ia64_sched_finish_global): New static functions to implement
5632 hooks from gcc_target.sched.
5633 (spec_check_no, max_uid, pending_data_specs): New static variables.
5634 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5635 ia64_spec_check_src_p): New static functions.
5636 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5637 (TARGET_SCHED_ADJUST_COST): Removed.
5638 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5639 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5640 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5641 TARGET_SCHED_GEN_CHECK,
5642 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5643 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5644 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5645 Fixed to handle speculation checks.
5646 (rtx_needs_barrier): Fixed to handle speculative loads and
5648 (ia64_variable_issue): Added code to count speculative loads and their
5650 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5652 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5654 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5656 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5657 (ia64_reorg): Reset stops_p to NULL after it is freed.
5658 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5659 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5660 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5662 (data_speculative, control_speculative, check_load): New attributes.
5663 (mov<mode>_advanced, mov<mode>_speculative,
5664 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5665 zero_extend<mode>di2_speculative,
5666 zero_extend<mode>di2_speculative_advanced): New patterns for
5667 data and control speculative loads.
5668 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5670 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5671 New pattern for data and control speculation checks.
5672 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5673 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5674 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5675 Auxiliary definitions for the patterns.
5676 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5677 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5679 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5681 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5682 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5683 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5684 New resource constraints.
5685 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5687 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5688 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5689 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5690 msched-in-control-spec, msched-ldc, msched-control-ldc,
5691 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5692 msched-prefer-non-control-spec-insns,
5693 msched-count-spec-in-critical-path): New flags to tune speculative
5695 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5696 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5697 msched-in-control-spec, msched-ldc, msched-control-ldc,
5698 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5699 msched-prefer-non-control-spec-insns,
5700 msched-count-spec-in-critical-path): Document new flags.
5702 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5704 * target.h (struct spec_info_def): New opaque declaration.
5705 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5706 speculate_insn, needs_block_p, gen_check,
5707 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5708 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5709 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5710 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5711 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5712 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5714 (TARGET_SCHED): Use new macros.
5715 * rtl.h (copy_DEPS_LIST_list): New prototype.
5716 * sched-int.h (struct sched_info): Change signature of new_ready field,
5717 adjust all initializations. New fields: add_remove_insn,
5718 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5719 region_head_or_leaf_p.
5720 (struct spec_info_def): New structure declaration.
5721 (spec_info_t): New typedef.
5722 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5723 recovery_block, orig_pat.
5724 (glat_start, glat_end): New variables declaraions.
5725 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5727 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5728 DETACH_LIFE_INFO, USE_GLAT.
5729 (enum SPEC_SCHED_FLAGS): New enumeration.
5730 (NOTE_NOTE_BB_P): New macro.
5731 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5732 attach_life_info, debug_spec_status, check_reg_live): New functions.
5733 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5734 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5736 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5737 * ddg.c (get_block_head_tail): Adjust all uses.
5738 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5739 (sms_sched_info): Initialize new fields.
5740 (contributes_to_priority): Removed.
5741 * haifa-sched.c (params.h): New include.
5742 (get_block_head_tail): Adjust all uses.
5743 (ISSUE_POINTS): New macro.
5744 (glat_start, glat_end): New global variables.
5745 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5746 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5747 old_last_basic_block, before_recovery, current_sched_info_var,
5748 rgn_n_insns, luid): New static variables.
5749 (insn_cost1): New function. Move logic from insn_cost to here.
5750 (find_insn_reg_weight1): New function. Move logic from
5751 find_insn_reg_weight to here.
5752 (reemit_notes, move_insn, max_issue): Change signature.
5753 (move_insn1): Removed.
5754 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5755 extend_bb): New static functions to support extension of scheduler's
5757 (generate_recovery_code, process_insn_depend_be_in_spec,
5758 begin_speculative_block, add_to_speculative_block,
5759 init_before_recovery, create_recovery_block, create_check_block_twin,
5760 fix_recovery_deps): New static functions to support
5761 generation of recovery code.
5762 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5763 restore_bb_notes, move_block_after_check, move_succs): New static
5764 functions to support ebb scheduling.
5765 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5766 functions to support handling of register live information.
5767 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5768 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5769 add_jump_dependencies): New static functions.
5770 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5771 consistancy checking.
5772 (debug_spec_status): New function to call from debugger.
5773 (priority): Added code to handle speculation checks.
5774 (rank_for_schedule): Added code to distinguish speculative instructions.
5775 (schedule_insn): Added code to handle speculation checks.
5776 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5777 Fixed to handle ebbs.
5778 (move_insn): Added code to handle ebb scheduling.
5779 (max_issue): Added code to use ISSUE_POINTS of instructions.
5780 (choose_ready): Added code to choose between speculative and
5781 non-speculative instructions.
5782 (schedule_block): Added code to handle ebb scheduling and scheduling of
5783 speculative instructions.
5784 (sched_init): Initialize new variables.
5785 (sched_finish): Free new variables. Print statistics.
5786 (try_ready): Added code to handle speculative instructions.
5787 * lists.c (copy_DEPS_LIST_list): New function.
5788 * sched-deps.c (extend_dependency_caches): New function. Move logic
5789 from create_dependency_caches to here.
5790 (get_dep_weak, ds_merge): Make global.
5791 * genattr.c (main): Code to output prototype for
5792 dfa_clear_single_insn_cache.
5793 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5794 (output_dfa_clean_insn_cache_func): Code to output
5795 dfa_clear_single_insn_cache function.
5796 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5798 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5800 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5801 New static variables.
5802 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5803 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5805 (ebb_sched_info): Initialize new fields.
5806 (get_block_head_tail): Adjust all uses.
5807 (compute_jump_reg_dependencies): Fixed to use glat_start.
5808 (schedule_ebb): Code to remove unreachable last block.
5809 (schedule_ebbs): Added code to update register live information.
5810 * sched-rgn.c (region_sched_info): Initialize new fields.
5811 (get_block_head_tail): Adjust all uses.
5812 (last_was_jump): Removed. Adjust users.
5813 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5814 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5815 Implement new hooks.
5816 (check_dead_notes1): New static function.
5817 (struct region): New fields: dont_calc_deps, has_real_ebb.
5818 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5819 (BB_TO_BLOCK): Fixed to handle EBBs.
5820 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5821 (ebb_head): New static variable.
5822 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5823 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5825 (compute_dom_prob_ps): New assertion.
5826 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5827 global_live_at_start.
5828 (init_ready_list): New assertions.
5829 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5830 (new_ready): Add support for BEGIN_CONTROL speculation.
5831 (schedule_insns): Fixed code that updates register live information
5833 (schedule_region): Fixed to handle EBBs.
5834 (init_regions): Use extend_regions and check_dead_notes1.
5835 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5836 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5837 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5838 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5839 TARGET_SCHED_GEN_CHECK,
5840 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5841 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5842 * doc/invoke.texi (max-sched-insn-conflict-delay,
5843 sched-spec-prob-cutoff): Document.
5845 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5847 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5848 inter_tick, queue_index.
5849 (struct sched_info): Change signature of init_ready_list field.
5850 Adjust all initializations.
5851 (RESOLVED_DEPS): New access macro.
5852 (ready_add): Remove prototype.
5853 (try_ready): Add prototype.
5854 * sched-rgn.c (init_ready_list): Use try_ready.
5855 (schedule_region): Initialize
5856 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5857 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5858 (init_ready_list): Use try_ready.
5859 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5860 * lists.c (remove_list_elem): Remove `static'.
5861 (remove_free_INSN_LIST_elem): New function.
5862 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5863 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5864 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5866 (readyp): New variable.
5867 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5868 change_queue_index, resolve_dep): New static functions.
5869 (try_ready): New function. Adjust callers in sched-rgn.c and
5870 sched-ebb.c to use it instead of ready_add.
5871 (clock_var): Move at the begining of file.
5872 (rank_for_schedule): Fix typo.
5873 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5874 (ready_lastpos): Enforce assertion.
5875 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5877 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5878 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5879 (queue_to_ready): Use free_INSN_LIST_list.
5880 (early_queue_to_ready): Fix typo.
5881 (schedule_block): Init readyp. Move init_ready_list call after the
5882 initialization of clock_var. Fix error in rejecting insn by
5883 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5884 that previously corrected INSN_TICKs. Add code for handling
5886 (set_priorities): Fix typo.
5887 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5888 Clarify comment and code that keeps current_sched_info->next_tail
5891 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5893 * sched-rgn.c (extend_rgns): New static function.
5894 (find_rgns): Use it.
5895 (gather_region_statistics, print_region_statistics): New static
5897 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5898 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5900 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5901 Andrey Belevantsev <abel@ispras.ru>
5903 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5904 * lists.c (unused_deps_list): New variable.
5905 (free_list): Add assertions to verify the proper distinguishing
5906 between INSN_LISTs and DEPS_LISTs.
5907 (find_list_elem, remove_list_elem, remove_list_node): New static
5909 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5910 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5911 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5912 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5914 (free_INSN_LIST_node): Likewise.
5915 * modulo-sched.c (current_sched_info): Initialize flags field.
5916 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5917 * rtl.def (DEPS_LIST): Define.
5918 * rtl.h: Declare new functions from lists.c.
5919 * sched-deps.c (spec_dependency_cache): New static variable.
5920 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5921 (add_dependence): Change return type to void. Move the logic to ...
5922 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5923 (delete_all_dependences): Add comment about forward_dependency_cache.
5924 Handle spec_dependency_cache. Handle DEPS_LISTs.
5925 (fixup_sched_groups): Clarify the change of priority of output
5926 and anti dependencies.
5927 (sched_analyze_2): Adjust add_dependence calls to create data
5928 speculative dependence.
5929 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5930 Adjust all callers. Handle DEPS_LISTS.
5931 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5932 presence of speculation.
5933 (init_dependency_caches, free_dependency_caches):
5934 Handle spec_dependency_cache.
5935 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5936 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5937 New static functions.
5938 (add_or_update_back_dep, add_or_update_back_forw_dep,
5939 add_back_forw_dep, delete_back_forw_dep): New functions.
5940 * sched-int.h (ds_t, dw_t): New typedefs.
5941 (struct sched_info): Add new field flags.
5942 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5943 Prototype new sched-deps.c functions.
5944 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5945 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5946 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5947 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5948 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5949 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5951 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5953 * sched-rgn.c (current_sched_info): Initialize flags field.
5954 (schedule_insns): Initialize current_sched_info before the sched_init
5956 * sched-ebb.c (current_sched_info): Initialize flags field.
5957 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5958 Call add_or_update_back_dep instead of add_dependence.
5959 Create control speculative dependencies.
5960 (schedule_insns): Initialize current_sched_info before the sched_init
5963 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5965 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5967 (sh_fallback_frame_state): Likewise.
5969 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5971 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5972 Do switch on default_use_cxa_atexit.
5973 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5974 * config/darwin-crt3.o: New.
5975 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5976 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5977 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5979 * config/rs6000/t-darwin: Move crt2.o building to here.
5980 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5981 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5984 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5986 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5987 from '! xxx' to '!xxx' for coding-style conformance.
5988 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5989 (EXTRA_CONSTRAINT): Likewise.
5990 * config/vax/vax.md (four unnamed insns): Likewise.
5992 2006-03-15 Paul Brook <paul@codesourcery.com>
5994 * config/arm/arm.c (minipool_pad): New.
5995 (add_minipool_forward_ref): Include pool alignment padding in address
5997 (push_minipool_fix): Set minipool_pad.
5998 (minipool_pad): Ditto.
6000 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6002 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6003 instead of GET_CODE() == MEM and REG_P() instead of
6005 (print_operand_address): Likewise.
6006 (vax_address_cost): Likewise.
6007 (vax_rtx_costs): Likewise.
6008 (vax_notice_update_cc): Likewise.
6009 (vax_output_int_add): Likewise.
6010 (INDEX_REGISTER_P): Likewise.
6011 (BASE_REGISTER_P): Likewise.
6012 (nonindexed_address_p): Likewise.
6013 (vax_mode_dependent_address_p): Likewise.
6014 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6015 (PRINT_OPERAND): Likewise.
6016 * config/vax/vax.md (ashlsi3): Likewise.
6017 (ashlsi3): Likewise.
6018 (some more unnamed insns): Likewise.
6020 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6022 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6023 iterator-style macro.
6024 (mark_control_dependent_edges_necessary): Update the use of
6025 EXECUTE_IF_CONTROL_DEPENDENT.
6027 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6029 * config/sh/predicates.md (cache_address_operand): Special.
6030 (ua_address_operand): Likewise.
6032 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6034 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6036 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6038 2006-03-15 Andreas Schwab <schwab@suse.de>
6040 * gensupport.c (identify_predicable_attribute): Don't free p_false
6041 when it is still in use.
6043 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6045 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6046 the default setting here.
6048 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6050 * tree-pass.h (pass_cfg): Remove.
6051 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6052 * passes.c (pass_cfg): Don't run it.
6054 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6056 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6057 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6059 (stack_regs_mentioned): Update the uses of
6060 stack_regs_mentioned_data. Don't access the array beyond its
6062 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6063 Don't include gt-reg-stack.h.
6065 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6066 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6068 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6071 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6074 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6076 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6078 2006-03-14 Richard Guenther <rguenther@suse.de>
6080 PR tree-optimization/26672
6081 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6084 2006-03-14 Richard Guenther <rguenther@suse.de>
6086 PR tree-optimization/26667
6087 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6088 node for the callees. Always allow inlining if it will shrink
6091 2006-03-14 Richard Guenther <rguenther@suse.de>
6094 * builtins.c (get_pointer_alignment): Prefer alignment
6095 information from decls over that from types.
6097 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6100 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6102 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6104 * config/rs6000/rs6000.opt (mdlmzb): New option.
6105 (msched-prolog, msched-epilog): Use Var not Mask.
6106 * doc/invoke.texi (-mdlmzb): Document.
6107 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6109 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6110 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6112 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6114 PR rtl-optimization/25739
6115 * bt-load.c (augment_live_range): Free tos pointer.
6117 * gensupport.c (identify_predicable_attribute): Free
6119 * gcov.c (create_file_names): Free name pointer.
6121 2006-03-13 Roger Sayle <roger@eyesopen.com>
6124 * stmt.c (emit_case_nodes): Handle the case where the index is a
6125 CONST_INT, where the comparison mode is specified by the index type.
6127 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6129 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6132 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6134 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6135 (*branch_fp_inverted): Likewise.
6137 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6140 * omp-low.c (expand_omp_for_generic): Mark istart0
6141 and iend0 as addressable.
6143 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6145 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6147 2006-03-13 Jeff Law <law@redhat.com>
6149 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6150 virtual operands are interesting.
6151 (vrp_visit_stmt): Corresponding changes.
6153 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6155 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6157 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6158 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6159 * config/bfin/crti.S: Use it instead of __PIC__.
6160 * config/bfin/crtn.S: Likewise.
6162 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6163 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6165 Lose 'G' modifier for call operand.
6166 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6167 recognize 'G' modifier.
6169 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6172 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6173 * stmt.c (expand_case): Likewise.
6175 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6177 PR rtl-optimization/26254
6178 * loop-invariant.c (seq_insns_valid_p): New function.
6179 (move_invariant_reg): Only emit new code if it is valid.
6181 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6183 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6185 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6186 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6187 (commit_one_edge_insertion): Do not look for loop notes.
6189 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6191 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6192 flag_test_coverage out of loop.
6194 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6196 * final.c (shorten_branches): Remove outdated comment, and turn
6197 the if branch that guards it to continue.
6199 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6201 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6202 * cfgloop.h (struct loop): Remove unused fields.
6204 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6206 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6207 (-dL, -fdump-rtl-loop2): Update the dump file names
6209 * doc/invoke.texi: Update dump file names.
6211 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6213 * predict.c (estimate_probability): Remove.
6214 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6215 * basic-block.h (estimate_probability): Remove prototype.
6216 * passes.c (finish_optimization_passes): Dump branch prediction or
6217 profiling heuristics to the .profile tree dump.
6218 (init_optimization_passes): Unqueue pass_branch_prob.
6220 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6222 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6224 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6225 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6227 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6229 * function.h (frame_offset_overflow): Declare.
6230 * function.c (frame_offset_overflow): New function.
6231 (assign_stack_local_1): Call it to detect that the offset overflows.
6232 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6234 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6236 * config/sh/sh.c: Include alloc-pool.h.
6237 (label_ref_list_pool): New alloc pool.
6238 (label_ref_list_t): New type for lists of labels.
6239 (struct pool_node): Make wend a label_ref_list_t.
6240 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6242 (dump_table): Likewise.
6243 (sh_reorg): Set up the alloc pool before using add_constant and
6244 dump_table, and destroy it when finishing.
6246 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6248 * config/mips/mips.c: Remove redundant comment.
6250 2006-03-10 Jason Merrill <jason@redhat.com>
6253 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6254 the target was declared 'register'.
6256 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6258 * genpreds.c (write_insn_constraint_len): Change definition of
6259 insn_constraint_len to return size_t to match the declaration.
6261 2006-03-10 DJ Delorie <dj@redhat.com>
6263 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6265 (m32c_expand_insv): Fix test for an AND mask.
6267 2006-03-10 Richard Guenther <rguenther@suse.de>
6270 * builtins.c (get_pointer_alignment): Handle component
6271 references for field alignment.
6273 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6275 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6276 when building with libgloss.
6277 (sh*elf): Implement --without-fp option.
6278 (sh64-superh-linux*): Don't multilib.
6280 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6282 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6284 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6286 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6287 Set it when one of the replacement functions returned true.
6288 Return TODO_cleanup_cfg if cfgchanged is true.
6289 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6291 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6293 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6294 instead of gen_lowpart.
6296 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6298 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6300 (mips_output_order_conditional_branch): Declare.
6301 * config/mips/mips.h (MIPS_BRANCH): New macro.
6302 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6303 for the comparison. Use gen_condjump.
6304 (mips_output_conditional_branch): Rework interface to take the
6305 asm templates for a direct branch and the inverse of a direct branch.
6306 (mips_output_order_conditional_branch): New function.
6307 (mips_builtin_branch_and_move): New function.
6308 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6309 branch condition. Use gen_single_cc as the condition for
6310 __builtin_mips_upper_* or __builtin_mips_lower_*.
6311 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6312 Use VOIDmode for the branch condition.
6313 * config/mips/predicates.md (order_operator): New predicate.
6314 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6315 (branch_fp): Rename to...
6316 (*branch_fp): ...this. Remove mode from comparison operator.
6317 Use new mips_output_conditional_branch interface.
6318 (branch_fp_inverted): Rename to...
6319 (*branch_fp_inverted): ...this and update as for *branch_fp.
6320 (*branch_zero<mode>): Rename to...
6321 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6322 Use mips_output_order_conditional_branch. Only accept ordered
6324 (*branch_zero<mode>_inverted): Rename to...
6325 (*branch_order<mode>_inverted): ...this and update as for
6326 *branch_order<mode>.
6327 (*branch_equality<mode>): Accept zero as the second operand to
6328 the equality operator. Use the new mips_output_conditional_branch
6330 (*branch_equality<mode>_inverted): Likewise.
6331 (condjump): New expander.
6332 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6334 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6335 (bc1any2t, bc1any2f): Likewise.
6336 (single_cc): New expander.
6337 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6339 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6341 * doc/md.texi: Update documentation of MIPS constraints.
6342 * config/mips/constraints.md: New file.
6343 * config/mips/mips.md: Include it.
6344 * config/mips/mips.c (mips_char_to_class): Delete.
6345 (override_options): Don't initialize mips_char_to_class.
6346 * config/mips/mips.h (mips_char_to_class): Delete.
6347 (REG_CLASS_FROM_LETTER): Delete.
6348 (CONST_OK_FOR_LETTER_P): Delete.
6349 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6350 (EXTRA_CONSTRAINT_Y): Delete.
6351 (EXTRA_CONSTRAINT_STR): Delete.
6352 (CONSTRAINT_LEN): Delete.
6353 (EXTRA_MEMORY_CONSTRAINT): Delete.
6355 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6357 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6358 original fn's eh regions.
6360 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6362 * fold-const.c (build_range_check): Make sure to use a valid type to
6363 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6366 (range_predecessor): New static function.
6367 (range_successor): Likewise.
6368 (merge_ranges): Use them to compute predecessors and successors of
6371 2006-03-09 Roger Sayle <roger@eyesopen.com>
6374 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6375 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6377 2006-03-08 DJ Delorie <dj@redhat.com>
6379 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6380 (addpsi3): Expand to include memory operands. Remove
6381 reload-specific splits.
6382 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6383 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6384 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6385 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6386 (shift1_qi, shift1_hi, insv): New.
6387 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6388 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6389 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6391 * config/m32c/m32c-protos.h: Update as needed.
6392 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6393 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6394 Fail for unrecognized R* constraints.
6395 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6396 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6397 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6399 (m32c_init_libfuncs): New.
6400 (m32c_legitimate_address_p): Add debug wrapper.
6401 (m32c_rtx_costs): New.
6402 (m32c_address_cost): New.
6403 (conversions): Add 'B' prefix.
6404 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6405 operands, or word regnames for QI operands. 'B' prints bit
6407 (m32c_expand_setmemhi): New.
6408 (m32c_expand_movmemhi): New.
6409 (m32c_expand_movstr): New.
6410 (m32c_expand_cmpstr): New.
6411 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6412 (m32c_expand_neg_mulpsi3): Handle non-ints.
6413 (m32c_cmp_flg_0): New.
6414 (m32c_expand_movcc): New.
6415 (m32c_expand_insv): New.
6416 (m32c_scc_pattern): New.
6417 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6418 a0/a1 out of SIregs.
6419 (STORE_FLAG_VALUE): New.
6420 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6423 * config/m32c/mov.md: Make constraints more liberal.
6424 (zero_extendqihi2): Optimize r0/r1 case.
6425 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6426 * config/m32c/predicates.md (m32c_any_operand): New.
6427 (m32c_nonimmediate_operand): New.
6428 (m32c_hl_operand): New.
6429 (m32c_r3_operand): New.
6432 (memsym_operand): New.
6433 (memimmed_operand): New.
6434 (a_qi_operand): New.
6435 (m32c_eqne_operator): New.
6436 (m32c_1bit8_operand): New.
6437 (m32c_1bit16_operand): New.
6438 (m32c_1mask8_operand): New.
6439 (m32c_1mask16_operand): New.
6440 * config/m32c/blkmov.md: New file.
6441 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6443 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6445 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6446 unsigned to fix signed/unsigned comparison issue in
6447 DWARF2_FRAME_REG_OUT.
6448 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6449 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6451 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6452 of ptr into the ENABLE_CHECKING section.
6454 2006-03-08 Jeff Law <law@redhat.com>
6456 * tree-vrp.c (infer_value_range): Only count pointer uses
6457 and dereferences if -fdelete-null-pointer-checks is enabled.
6459 * tree-vrp.c (find_assert_locations): Infer value ranges for
6460 single use pointers, but do not create ASSERT_EXPRs for them.
6461 When a non-null range is inferred for a pointer, backwards
6462 propagate that range to other equivalent pointers through the
6465 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6468 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6469 language hook targets.
6470 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6471 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6472 if language hook targets were missing.
6474 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6476 * tree-ssa-opfinalize.h: Removed.
6477 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6479 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6480 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6481 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6482 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6483 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6484 finalize_ssa_v_must_def_ops): New.
6486 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6488 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6491 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6493 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6495 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6496 addresses with offsets; reorganize.
6498 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6499 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6500 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6502 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6505 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6507 2006-03-08 Ben Elliston <bje@au.ibm.com>
6509 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6511 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6514 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6517 2006-03-07 Richard Guenther <rguenther@suse.de>
6519 PR tree-optimization/26587
6520 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6522 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6524 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6526 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6528 * hooks.c (hook_bool_mode_rtx_true): New function.
6529 * hooks.h (hook_bool_mode_rtx_true): Declare.
6530 * toplev.c (compile_file): Call output_shared_constant_pool.
6531 * varasm.c (shared_constant_pool): New variable.
6532 (assemble_start_function, assemble_end_function): Remove arguments
6533 from call to output_constant_pool.
6534 (create_constant_pool): New function, split out from...
6535 (init_varasm_status): ...here.
6536 (force_const_mem): Choose between the shared and per-function constant
6537 pools. Set current_function_uses_const_pool when reusing old entries
6538 as well as when creating new ones.
6539 (mark_constant): Ignore data argument.
6540 (mark_constants): Remove pool argument.
6541 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6542 to decide whether the function uses a constant pool.
6543 (output_constant_pool_contents): New function, split out from...
6544 (output_constant_pool): ...here.
6545 (output_shared_constant_pool): New function.
6546 (init_varasm_once): Initialize shared_constant_pool.
6547 * output.h (output_constant_pool): Delete.
6548 (output_shared_constant_pool): Declare.
6549 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6550 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6552 2006-03-06 Nick Clifton <nickc@redhat.com>
6554 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6555 flag_strength_reduce.
6557 2006-03-06 Ben Elliston <bje@au.ibm.com>
6559 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6560 x86_64-*-linux* configurations.
6562 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6563 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6565 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6567 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6569 * basic-block.h: Remove the extern for
6570 rediscover_loops_after_threading.
6572 * cfgloop.c (cancel_loop): Make it static.
6573 * cfgloop.h: Remove the prototype for cancel_loop.
6575 * flow.c (recompute_reg_usage): Make it static.
6576 * rtl.h: Remove the prototype for recompute_reg_usage.
6578 * function.c (use_return_register): Make it static.
6579 * function.h: Remove the prototype.
6581 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6583 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6585 * recog.h: Remove the prototype for
6586 validate_change_maybe_volatile.
6588 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6590 * rtlanal.c (replace_reg): Remove.
6591 * rtl.h: Remove the prototype for replace_reg.
6593 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6595 * regclass.c (reg_scan_update): Remove.
6596 (reg_scan_mark_refs): Remove the last argument.
6597 * rtl.h: Remove the prototype for reg_scan_update.
6599 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6601 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6602 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6603 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6604 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6605 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6606 loop-invariant.c, omp-low.c, opts.c, passes.c,
6607 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6608 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6609 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6610 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6611 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6612 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6614 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6616 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6617 * dwarf2out.h: Remove the prototype for
6618 dwarf2out_add_library_unit_info.
6620 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6622 * tree.c (add_var_to_bind_expr): Remove.
6623 * tree.h: Remove the prototype for add_var_to_bind_expr.
6625 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6627 * regclass.c (n_non_fixed_regs): Remove.
6628 (init_reg_sets_1, globalize_reg): Remove all uses of
6630 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6632 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6634 * rtlanal.c (insns_safe_to_move_p): Remove.
6635 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6637 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6639 * expmed.c (expand_mult_add): Remove.
6640 * expr.h: Remove the prototype for expand_mult_add.
6642 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6644 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6645 and REG_SAVED_VAL_EXP constants.
6646 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6647 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6648 Handle regs stored by value.
6649 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6650 (execute_cfa_program): Handle DW_CFA_val_offset,
6651 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6652 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6653 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6654 (uw_install_context_1): Handle target regs stored by value.
6656 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6658 * tree-sra.c (tree_sra): Return todoflags;
6659 (generate_one_element): Set TODO_update_smt_usage if needed.
6660 (pass_sra): Remove TODO_update_smt_usage.
6661 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6663 (tree_ssa_forward_propagate_single_use_vars): Return
6664 TODO_update_smt_usage if we need to update SMT usage.
6665 (pass_forwprop): Remove TODO_update_smt_usage.
6667 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6669 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6670 (correct_use_link): Remove reference to get_stmt_operands.
6671 (update_stmt_operands): Likewise.
6672 (get_modify_expr_operands): New function factored out of
6673 parse_ssa_operands and get_expr_operands.
6674 Try to create V_MUST_DEFs for LHS by default.
6675 (get_expr_operands) <case MODIFY_EXPR>: Call
6676 get_modify_expr_operands.
6677 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6678 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6679 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6680 get_modify_expr_operands.
6682 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6684 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6685 * tree-flow.h: Remove the prototype for
6686 referenced_var_lookup_if_exists.
6688 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6690 PR rtl-optimization/26345
6692 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6694 2006-03-03 Roger Sayle <roger@eyesopen.com>
6696 PR tree-optimization/26524
6697 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6698 fold_convert to create a constant of the appropriate type.
6700 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6702 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6703 SYMBOL_REF_IN_BLOCK_P.
6704 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6705 of SYMBOL_FLAG_IN_BLOCK.
6706 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6707 instead of SYMBOL_REF_IN_BLOCK_P.
6708 * explow.c (use_anchored_address): Likewise.
6709 * rtl.c (rtx_size): Likewise.
6710 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6711 instead of SYMBOL_FLAG_IN_BLOCK.
6712 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6713 SYMBOL_REF_IN_BLOCK_P.
6714 (assemble_variable): Likewise.
6715 (output_constant_def_contents): Likewise.
6716 (output_constant_pool): Likewise.
6717 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6718 instead of SYMBOL_FLAG_IN_BLOCK.
6719 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6720 SYMBOL_REF_IN_BLOCK_P.
6721 (SYMBOL_REF_BLOCK): Likewise.
6722 (SYMBOL_REF_OFFSET): Likewise.
6723 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6724 SYMBOL_REF_IN_BLOCK_P.
6725 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6726 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6727 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6728 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6730 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6732 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6734 2006-03-02 Roger Sayle <roger@eyesopen.com>
6736 * simplify-rtx.c (simplify_unary_operation): When simplifying
6737 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6738 that we perform the right shift in the appropriate mode, and
6739 then extend or truncate the result to requested mode.
6741 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6743 * gengtype.c (main): Handle double_int type.
6744 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6745 * double-int.c: New file.
6746 * double-int.h: New file.
6747 * system.h: Include doubleint.h.
6748 * Makefile.in (SYSTEM_H): Include double-int.h.
6749 (double-int.o): Add.
6751 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6754 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6757 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6759 * tree-vrp.c (remove_range_assertions): Do not update statements
6762 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6764 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6766 * gcse.c (rest_of_handle_gcse): Ditto.
6767 * except.c (gate_handle_eh): Ditto.
6768 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6769 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6771 2006-03-02 Eric Christopher <echristo@apple.com>
6773 * config/i386/i386.c (machopic_output_stub): Add indirection to
6776 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6780 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6782 Sun Niagara specific optimizations.
6783 * config.gcc: Recognize niagara as target.
6784 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6785 (TARGET_CPU_niagara): Define.
6786 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6787 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6788 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6789 (ASM_CPU_SPEC): Likewise.
6790 (PROCESSOR_NIAGARA): New enum entry.
6791 (REGISTER_MOVE_COST): Handle Niagara.
6792 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6793 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6794 (sparc_override_options): Recognize "niagara", set appropriate
6795 default MASK_* values for it, and align functions to 32-bytes
6796 by default just like ULTRASPARC/ULTRASPARC3.
6797 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6798 (sparc64_initialize_trampoline): Likewise.
6799 (sparc_use_sched_lookahead): Use zero for niagara.
6800 (sparc_issue_rate): Use one for niagara.
6801 * config/sparc/niagara.md: New file.
6802 * config/sparc/sparc.md: Include it.
6803 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6804 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6805 when default cpu is niagara.
6806 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6807 (ASM_CPU_SPEC): Likewise.
6808 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6809 when default cpu is niagara.
6810 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6811 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6812 just like v9/ultrasparc/ultrasparc3.
6813 * doc/invoke.texi: Add documentation for "niagara" and improve
6814 existing documentation for ultrasparc variants.
6816 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6818 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6820 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6822 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6823 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6824 and say that only one is needed.
6825 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6826 * target.h (have_switchable_bss_sections): New hook.
6827 * explow.c (use_anchored_address): Check that the symbol is in a block.
6828 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6829 (bss_noswitch_section): New variables.
6830 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6831 (get_noswitch_section): New function.
6832 (get_block_for_section): Allow SECT to be null.
6833 (unlikely_text_section_p): Use SECTION_STYLE.
6834 (bss_initializer_p): New function.
6835 (get_variable_section): Move earlier in file. Take a new argument,
6836 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6837 Return one of the new *_sections in such cases.
6838 (get_block_for_decl): New function, extracting some logic from
6839 use_blocks_for_decl_p.
6840 (change_symbol_section): Remove in favor of...
6841 (change_symbol_block): ...this new function.
6842 (use_blocks_for_decl_p): Remove checks now performed by
6844 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6845 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6846 (emit_local, emit_bss, emit_common): ...these new functions.
6847 Return true if the alignment was honored.
6848 (emit_tls_common): New function.
6849 (asm_emit_uninitialised): Delete.
6850 (assemble_variable_noswitch): New function, split out from...
6851 (assemble_variable): ...here. Don't make decisions about common
6852 variables here. Globalize all public decls that go into non-common
6853 sections. Check whether SYMBOL_REF_BLOCK is null.
6854 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6855 (output_constant_pool): Likewise.
6856 (init_varasm_once): Initialize the new section variables.
6857 (have_global_bss_p): New function.
6858 (categorize_decl_for_section): Use bss_initializer_p.
6859 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6860 (place_block_symbol): Assert that the symbol must be in a block.
6861 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6862 (TARGET_INITIALIZER): Include it.
6863 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6864 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6865 (SECTION_MACH_DEP): Bump by two.
6866 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6867 (unnamed_section): Mention SECTION_UNNAMED in comment.
6868 (named_section): Likewise SECTION_NAMED.
6869 (noswitch_section_callback): New type.
6870 (noswitch_section): New structure.
6871 (section): Add a noswitch_section alternative.
6872 (SECTION_STYLE): New macro.
6873 (tls_comm_section, comm_section, lcomm_section): Declare.
6874 (bss_noswitch_section, have_global_bss_p): Declare.
6875 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6876 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6878 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6879 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6882 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6884 * tree-vrp.c (execute_vrp): Return value.
6885 * regrename.c (rest_of_handle_regrename): Ditto.
6886 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6887 * tree-complex.c (tree_lower_complex): Ditto.
6888 (tree_lower_complex_O0): Ditto.
6889 * tracer.c (rest_of_handle_tracer): Ditto.
6890 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6891 * postreload.c (rest_of_handle_postreload): Ditto.
6892 * tree-tailcall.c (execute_tail_recursion): Ditto.
6893 (execute_tail_calls): Ditto.
6894 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6895 * tree.h (init_function_for_compilation): Ditto.
6896 * ipa-cp.c (ipcp_driver): Ditto.
6897 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6898 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6899 * final.c (compute_alignments): Ditto.
6900 (rest_of_handle_final): Ditto.
6901 (rest_of_handle_shorten_branches): Ditto.
6902 (rest_of_clean_state): Ditto.
6903 * omp-low.c (execute_expand_omp): Ditto.
6904 (execute_lower_omp): Ditto.
6905 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6906 * ipa-reference.c (static_execute): Ditto.
6907 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6908 * reorg.c (rest_of_handle_delay_slots): Ditto.
6909 (rest_of_handle_machine_reorg): Ditto.
6910 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6911 * flow.c (recompute_reg_usage): Ditto.
6912 (rest_of_handle_remove_death_notes): Ditto.
6913 (rest_of_handle_life): Ditto.
6914 (rest_of_handle_flow2): Ditto.
6915 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6916 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6917 (do_ssa_store_ccp): Ditto.
6918 (execute_fold_all_builtins): Ditto.
6919 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6920 * modulo-sched.c (rest_of_handle_sms): Ditto.
6921 * ipa-pure-const.c (static_execute): Ditto.
6922 * cse.c (rest_of_handle_cse): Ditto.
6923 (rest_of_handle_cse2): Ditto.
6924 * web.c (rest_of_handle_web): Ditto.
6925 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6926 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6927 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6928 * tree-nrv.c (tree_nrv): Ditto.
6929 (execute_return_slot_opt): Ditto.
6930 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6931 (create_structure_vars): Ditto.
6932 * loop-init.c (rtl_loop_init): Ditto.
6933 (rtl_loop_done): Ditto.
6934 (rtl_move_loop_invariants): Ditto.
6935 (rtl_unswitch): Ditto.
6936 (rtl_unroll_and_peel_loops): Ditto.
6937 (rtl_doloop): Ditto.
6938 * gimple-low.c (lower_function_body): Ditto.
6939 (mark_used_blocks): Ditto.
6940 * tree-ssa-sink.c (execute_sink_code): Ditto.
6941 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6942 (cgraph_early_inlining): Ditto.
6943 * global.c (rest_of_handle_global_alloc): Ditto.
6944 * jump.c (cleanup_barriers): Ditto.
6945 (purge_line_number_notes): Ditto.
6946 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6947 (rest_of_handle_if_after_reload): Ditto.
6948 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6949 (tree_ssa_loop_im): Ditto.
6950 (tree_ssa_loop_unswitch): Ditto.
6951 (tree_vectorize): Ditto.
6952 (tree_linear_transform): Ditto.
6953 (tree_ssa_loop_ivcanon): Ditto.
6954 (tree_ssa_empty_loop): Ditto.
6955 (tree_ssa_loop_bounds): Ditto.
6956 (tree_complete_unroll): Ditto.
6957 (tree_ssa_loop_prefetch): Ditto.
6958 (tree_ssa_loop_ivopts): Ditto.
6959 (tree_ssa_loop_done): Ditto.
6960 * predict.c (tree_estimate_probability): Ditto.
6961 * recog.c (split_all_insns_noflow): Ditto.
6962 (rest_of_handle_peephole2): Ditto.
6963 (rest_of_handle_split_all_insns): Ditto.
6964 * tree-eh.c (lower_eh_constructs): Ditto.
6965 * regmove.c (rest_of_handle_regmove): Ditto.
6966 (rest_of_handle_stack_adjustments): Ditto.
6967 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6968 * function.c (instantiate_virtual_regs): Ditto.
6969 (init_function_for_compilation): Ditto.
6970 (rest_of_handle_check_leaf_regs): Ditto.
6971 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6972 (rest_of_handle_gcse): Ditto.
6973 * ipa-type-escape.c (type_escape_execute): Ditto.
6974 * alias.c (rest_of_handle_cfg): Ditto.
6975 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6976 * profile.c (rest_of_handle_branch_prob): Ditto.
6977 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6978 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6979 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6980 * tree-dfa.c (find_referenced_vars): Ditto.
6981 * except.c (set_nothrow_function_flags): Ditto.
6982 (convert_to_eh_region_ranges): Ditto.
6983 (rest_of_handle_eh): Ditto.
6984 * emit-rtl.c (unshare_all_rtl): Ditto.
6985 (remove_unnecessary_notes): Ditto.
6986 * except.h (set_nothrow_function_flags): Ditto.
6987 (convert_to_eh_region_ranges): Ditto.
6988 * cfgexpand.c (tree_expand_cfg): Ditto.
6989 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6990 * tree-ssa-pre.c (do_pre): Ditto.
6991 (execute_fre): Ditto.
6992 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6993 (rest_of_handle_jump2): Ditto.
6994 * tree-sra.c (tree_sra): Ditto.
6995 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6996 (execute_mudflap_function_decls): Ditto.
6997 * tree-ssa-copy.c (do_copy_prop): Ditto.
6998 (do_store_copy_prop): Ditto.
6999 * ipa-prop.h (ipcp_driver): Ditto.
7000 * cfglayout.c (insn_locators_initialize): Ditto.
7001 * tree-ssa-forwprop.c
7002 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7003 * cfglayout.h (insn_locators_initialize): Ditto.
7004 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7005 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7006 (execute_late_warn_uninitialized): Ditto.
7007 * rtl.h (cleanup_barriers): Ditto.
7008 (split_all_insns_noflow): Ditto.
7009 (purge_line_number_notes): Ditto.
7010 (unshare_all_rtl): Ditto.
7011 (remove_unnecessary_notes): Ditto.
7012 (recompute_reg_usage): Ditto.
7013 (variable_tracking_main): Ditto.
7014 * integrate.c (emit_initial_value_sets): Ditto.
7015 * integrate.h (emit_initial_value_sets): Ditto.
7016 * tree-optimize.c (execute_free_datastructures): Ditto
7017 (execute_free_cfg_annotations): Ditto.
7018 (execute_fixup_cfg): Ditto.
7019 (execute_cleanup_cfg_pre_ipa): Ditto.
7020 (execute_cleanup_cfg_post_optimizing): Ditto.
7021 (execute_init_datastructures): Ditto.
7022 * tree-object-size.c (compute_object_sizes): Ditto.
7023 * combine.c (rest_of_handle_combine): Ditto.
7024 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7025 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7026 (rest_of_handle_reorder_blocks): Ditto.
7027 (rest_of_handle_partition_blocks): Ditto.
7028 * var-tracking.c (variable_tracking_main): Ditto.
7029 * tree-profile.c (tree_profiling): Ditto.
7030 * tree-vect-generic.c (expand_vector_operations): Ditto.
7031 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7032 * sched-rgn.c (rest_of_handle_sched): Ditto.
7033 (rest_of_handle_sched2): Ditto.
7034 * basic-block.h (free_bb_insn): Ditto.
7035 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7036 * tree-cfg.c (execute_build_cfg): Ditto.
7037 (remove_useless_stmts): Ditto.
7038 (split_critical_edges): Ditto.
7039 (execute_warn_function_return): Ditto.
7040 (execute_warn_function_noreturn): Ditto.
7041 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7042 * cfgrtl.c (free_bb_for_insn): Ditto.
7043 * passes.c (execute_one_pass): Run additional
7044 todos returned by execute function.
7045 * tree-pass.h (struct tree_opt_pass): Make execute
7048 2006-03-02 Richard Guenther <rguenther@suse.de>
7050 * tree-ssa-alias.c (find_used_portions): Consider taking
7051 the address as making the variable not write-only.
7053 2006-03-02 Nick Clifton <nickc@redhat.com>
7055 * config.gcc (default_use_cxa_atexit): Extend the description of
7056 this configure variable. Set its default value to "yes" for
7057 Linux, NetBSD and ELF targets on the assumption that they will
7058 use C libraries with the __cxa_atexit function.
7060 2006-03-02 Ben Elliston <bje@au.ibm.com>
7062 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7063 parameter as unused to suppress a build warning.
7065 2006-03-02 Ben Elliston <bje@au.ibm.com>
7067 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7070 2006-03-01 Roger Sayle <roger@eyesopen.com>
7073 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7074 declared name, the weak reference name, and the typeof name.
7075 (__gthrw): Avoid expanding the declared name suffix.
7076 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7078 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7080 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7082 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7083 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7084 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7085 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7086 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7087 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7088 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7089 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7090 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7091 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7092 (DW_END_default, DW_END_big, DW_END_little): New.
7093 (DW_END_lo_user, DW_END_hi_user): Define.
7094 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7095 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7096 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7099 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7101 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7103 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7105 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7107 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7109 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7110 to 'symbol_mem_tag'.
7112 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7115 2006-03-01 Roger Sayle <roger@eyesopen.com>
7117 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7119 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7122 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7123 MACHO_DYNAMIC_NO_PIC_P.
7124 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7126 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7129 * config/darwin-protos.h (darwin_asm_output_anchor):
7131 * config/darwin-sections.def (cstring_section):
7132 Add SECTION_MERGE to the flags.
7133 (literal4_section): Likewise.
7134 (literal8_section): Likewise.
7135 (objc_selector_refs_section): Likewise.
7136 (objc_cls_refs_section): Likewise.
7137 * config/darwin.c (darwin_asm_output_anchor): New
7139 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7141 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7143 Fix PR tree-optimization/26443
7144 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7145 to todo and PROP_tmt_usage to properties_destroyed.
7146 * tree-ssa-ccp.c (pass_ccp): Ditto.
7147 (pass_store_ccp): Ditto.
7148 * tree-ssa-dom.c (pass_dominator): Ditto.
7150 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7152 * tree-ssa-operands.c: Cleanup whitespace.
7153 (get_asm_expr_operands): Move before first invocation.
7154 (get_indirect_ref_operands): Likewise.
7155 (get_tmr_operands): Likewise.
7156 (get_call_expr_operands): Likewise.
7157 (append_def): Likewise.
7158 (append_use): Likewise.
7159 (append_v_may_def): Likewise.
7160 (append_v_must_def): Likewise.
7161 (add_call_clobber_ops): Likewise.
7162 (add_call_read_ops): Likewise.
7163 (add_stmt_operand): Likewise.
7164 (add_virtual_operand): Likewise.
7165 (build_ssa_operands): Likewise.
7167 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7172 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7173 with a call expr to ...
7174 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7176 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7178 * tree-vrp.c (extract_range_from_assert): Remove special
7179 handling for types with super-types.
7181 2006-03-01 Ben Elliston <bje@au.ibm.com>
7183 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7184 and powerpc64-*-linux* configurations.
7185 * config/t-dfprules: New file.
7187 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7188 Compile dfp-bit.c from the source directory using -DWIDTH and
7189 $DFP_CFLAGS to control the compilation of that file, rather than
7190 generating width-specific versions in the build directory.
7191 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7192 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7194 2006-02-28 Zack Weinberg <zackw@panix.com>
7196 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7199 2006-02-28 Eric Christopher <echristo@apple.com>
7201 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7202 Set up IN_LIBGCC definition of TARGET_64BIT.
7203 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7205 2006-02-28 Roger Sayle <roger@eyesopen.com>
7208 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7209 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7210 cases via the construction of "expr != 0".
7212 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7214 * alias.c (alias_invariant, alias_invariant_size): Remove.
7215 (record_base_value): Remove.
7216 (memrefs_conflict_p): Don't look at alias_invariant.
7217 (end_alias_analysis): Don't free it.
7218 * alias.h (record_base_value): Remove prototype.
7220 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7221 Adam Nemet <anemet@caviumnetworks.com>
7223 * rtl.h (truncated_to_mode): Declare it.
7224 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7225 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7226 (RTL_HOOKS_INITIALIZER): Include it.
7227 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7228 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7229 reg_truncated_to_mode.
7230 * rtlanal.c (truncated_to_mode): Define it.
7231 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7233 2006-02-28 Jeff Law <law@redhat.com>
7235 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7236 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7237 the range allowed by TYPE_PRECISION.
7239 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7241 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7243 PR tree-optimization/26419
7244 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7247 2006-02-27 Zack Weinberg <zackw@panix.com>
7249 * doc/md.texi: Fix typo in previous change.
7251 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7255 2006-02-27 Zack Weinberg <zackw@panix.com>
7257 * rtl.def (define_constraint, define_register_constraint)
7258 (define_memory_constraint, define_address_constraint): New MD forms.
7259 * gensupport.c (process_rtx): Put define_constraint etc on the
7261 * genpreds.c (process_define_predicate): Adjust comment. Validate
7262 the name, and call validate_exp to validate the expression.
7263 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7264 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7265 all callers changed.
7266 (validate_exp, needs_variable, struct constraint_data)
7267 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7268 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7269 (const_dbl_constraints, constraint_max_namelen)
7270 (have_register_constraints, have_memory_constraints)
7271 (have_address_constraints, have_address_constraints)
7272 (have_extra_constraints, have_const_int_constraints)
7273 (have_const_dbl_constraints, mangle, add_constraint)
7274 (process_define_constraint, process_define_register_constraint)
7275 (write_enum_constraint_num, write_lookup_constraint)
7276 (write_insn_constraint_len, write_regclass_for_constraint)
7277 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7278 (write_insn_extra_memory_constraint)
7279 (write_insn_extra_address_constraint)
7280 (write_satisfies_constraint_fns): New.
7281 (write_tm_preds_h): If we have new-style constraint definitions,
7282 prototype the functions generated from them, and define the
7283 old constraint interface (still used by generic code) in terms of
7285 (write_insn_preds_c): If we have new-style constraint definitions,
7286 generate all relevant functions from those definitions.
7287 (main): Handle define_constraint etc.
7288 * genoutput.c (struct constraint_data, indep_constraints)
7289 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7290 (mdep_constraint_len): New data structures and functions, defined
7291 #ifdef USE_MD_CONSTRAINTS.
7292 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7293 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7294 use new logic to validate operand constraints against constraint
7296 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7298 * defaults.h: If none of the old-style constraint macros are
7299 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7300 old-style macros; and poison REG_CLASS_FROM_LETTER,
7301 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7303 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7304 * doc/md.texi: Document new constraint-definition mechanism and the
7305 C interface it provides. Remove references to old mechanism
7306 elsewhere in the document.
7307 (Machine Constraints): Use pathnames relative to gcc directory,
7308 i.e. config/ARCH/FILE. Change i386 section to refer to
7309 config/i386/predicates.md; update that section to match docstrings.
7310 * doc/tm.texi: Move all documentation of the old constraint-
7311 definition macros to their own section, clearly mark as obsolete.
7313 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7314 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7316 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7317 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7318 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7320 (splits and peepholes): Use satisfies_constraint_*.
7321 * config/i386/i386.c (memory_address_length)
7322 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7324 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7326 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7327 scalar operation to be put back into the loop.
7329 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7332 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7333 (extract_cie_info): Handle S flag in augmentation string.
7334 (execute_cfa_program): If context->signal_frame, execute also
7335 fs->pc == context->ra instructions.
7336 (uw_frame_state_for): If context->signal_frame, don't subtract one
7337 from context->ra to find FDE.
7338 (uw_update_context_1): Set context->signal_frame to
7340 (_Unwind_GetIPInfo): New function.
7341 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7342 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7344 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7345 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7346 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7347 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7348 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7349 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7350 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7351 x86_64_fallback_frame_state): Set fs->signal_frame.
7352 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7353 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7354 (frob_update_context): Likewise. Workaround missing S flag in
7355 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7356 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7357 Remove the psw_addr + 1 hack.
7359 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7361 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7362 with aggregates here.
7363 (find_func_aliases): Remove code for &<aggregate> from here.
7365 2006-02-26 Roger Sayle <roger@eyesopen.com>
7367 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7368 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7369 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7372 2006-02-26 Roger Sayle <roger@eyesopen.com>
7375 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7377 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7379 * opts.c (decode_options): Do not handle flag_strength_reduce.
7380 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7381 and OPT_fstrength_reduce.
7382 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7383 flag_prefetch_loop_arrays for being nonzero.
7384 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7386 (fprefetch-loop-arrays-rtl): Removed.
7387 (flag_prefetch_loop_arrays): Do not specify the value.
7389 * doc/passes.texi: Update documentation of loop optimizer
7391 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7392 -frerun-loop-opt): Remove.
7394 2006-02-26 Richard Guenther <rguenther@suse.de>
7396 PR tree-optimization/26421
7397 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7398 in function calls that are ADDR_EXPRs as using the whole structure.
7400 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7402 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7403 * tree-pass.h (pass_loop_optimize): Remove.
7404 * passes.c (pass_loop_optimize): Never run it.
7405 * toplev.c (backend_init): Don't call init_loop.
7406 * opts.c (flag_loop_optimize_set): Remove.
7407 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7408 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7409 the old RTL loop optimizer when profiling enabled.
7410 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7411 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7412 pre-headers for the sake of the old RTL loop optimizer.
7413 * Makefile.in: Remove all references to loop.o.
7415 * doc/invoke.texi: Remove all references to -floop-optimize
7416 and -frerun-loop-opt.
7418 2006-02-26 Zack Weinberg <zackw@panix.com>
7420 * doc/md.texi (Machine Constraints): Refer to all files with paths
7421 relative to gcc directory (i.e. config/CPU/file). Add missing
7422 @table @code ... @end table to M32C subsection.
7424 2006-02-26 Roger Sayle <roger@eyesopen.com>
7426 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7428 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7430 2006-02-26 Roger Sayle <roger@eyesopen.com>
7431 James A. Morrison <phython@gcc.gnu.org>
7434 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7435 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7436 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7437 signedness of the shift operation.
7439 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7441 PR tree-optimization/26359
7442 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7444 2006-02-25 Roger Sayle <roger@eyesopen.com>
7446 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7447 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7448 as X == 0, and some symmetry related transformations.
7449 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7451 2006-02-25 Roger Sayle <roger@eyesopen.com>
7454 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7455 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7456 symmetry related transformations. Fold (X^C1) == C2 as
7459 2006-02-25 Juergen Weigert <jw@suse.de>
7460 Richard Guenther <rguenther@suse.de>
7462 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7464 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7466 * combine.c (gen_lowpart_or_truncate): Call
7467 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7469 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7471 * doc/invoke.texi: Move -fopenmp description to "Options for
7473 Remove reference to -lgomp.
7475 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7477 * doc/install.texi: Require GNU tar version 1.14.
7479 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7481 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7482 * doc/invoke.texi (C++ Dialect Options): Document
7483 -fno-use-cxa-get-exception-ptr.
7484 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7485 * configure: Regenerate.
7486 * c.opt (fuse-cxa-get-exception-ptr): New.
7487 * c-opts.c (c_common_handle_option): Handle
7488 OPT_fuse_cxa_get_exception_ptr.
7489 * c-common.c (flag_use_cxa_atexit): Update documentation.
7490 (flag_use_cxa_get_exception_ptr): New.
7491 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7492 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7494 (C_COMMON_OVERRIDE_OPTIONS): New.
7496 2006-02-24 Roger Sayle <roger@eyesopen.com>
7499 * combine.c (try_combine): Explicitly check whether GET_CODE is
7500 a SET or a CLOBBER, instead on checking that it isn't a USE.
7502 2006-02-24 Roger Sayle <roger@eyesopen.com>
7504 * fold-const.c (fold_comparison): New subroutine of fold_binary
7505 containing transformations common to both the equality and
7506 ordering relational operators, factored out of fold_binary.
7507 (fold_binary): Separate out the equality operators (EQ_EXPR
7508 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7509 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7510 transformations common to both.
7511 (fold_div_compare): Fix latent bugs in the previously unreachable
7512 LT_EXPR and GE_EXPR cases.
7514 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7516 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7517 decl libname for clog to __clog on AIX.
7519 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7521 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7524 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7525 output traceback table for thunks. Localise rs6000_stack_info call.
7527 2006-02-23 Roger Sayle <roger@eyesopen.com>
7528 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7530 * gthr-posix.h (__gthrw): Fix typo in comment.
7532 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7534 * doc/cpp.texi (Character sets): Document that we do support
7535 input files to be in any character set.
7537 2006-02-23 Jeff Law <law@redhat.com>
7539 * tree.h (PHI_ARG_NONZERO): Remove.
7540 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7541 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7542 node to the new node.
7544 PR tree-optimization/26425
7545 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7546 min/max, then assume its varying.
7548 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7550 PR rtl-optimization/26316
7551 * rtlanal.c (enum may_trap_p_flags): New.
7552 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7553 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7554 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7555 (may_trap_after_code_motion_p): New function.
7556 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7557 (find_invariant_insn): Use may_trap_after_code_motion_p.
7558 * rtl.h (may_trap_after_code_motion_p): Declare.
7560 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7562 * emit-rtl.c (immed_double_const): Cleanup.
7564 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7566 Fix PR tree-optimization/26376
7567 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7570 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7573 * gimplify.c (omp_add_variable): Guard variable size decl test with
7574 DECL_SIZE (decl) check.
7576 2006-02-23 Richard Guenther <rguenther@suse.de>
7579 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7580 like aggregate types.
7582 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7584 * configure.ac: Add --with{,out}-long-double-128 configure option.
7585 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7586 * configure: Rebuilt.
7587 * config.in: Rebuilt.
7588 * doc/install.texi (Options specification): Document
7589 --with-long-double-128.
7591 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7592 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7593 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7594 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7596 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7598 * config/s390/s390.c (override_options): Handle
7599 TARGET_DEFAULT_LONG_DOUBLE_128.
7601 * config/alpha/alpha.c (override_options): Handle
7602 TARGET_DEFAULT_LONG_DOUBLE_128.
7604 * config/sparc/sparc.c (sparc_override_options): Handle
7605 TARGET_DEFAULT_LONG_DOUBLE_128.
7607 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7609 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7610 (real-install-headers-tar, real-install-headers-cpio)
7611 (real-install-headers-cp): New targets.
7613 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7615 * tree.h (variable_section): Delete.
7616 * varasm.c (variable_section): Delete.
7618 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7620 * install.texi: Add notes on install.texi2html.
7621 (Building in parallel): Do not use footnotes.
7623 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7626 * doc/install.texi (Configuration): Document --disable-libgomp.
7628 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7630 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7632 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7634 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7635 (vec_extractv2df_0_sse): New.
7637 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7639 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7640 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7641 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7642 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7643 to the result of the expression.
7644 (def_cfa_1): Adjust.
7645 (frame_pointer_cfa_offset): Rename to...
7646 (frame_pointer_fb_offset): ... this. Adjust all uses.
7647 (convert_cfa_to_loc_list): Rename to...
7648 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7649 Pass it on to build_cfa_loc.
7650 (compute_frame_pointer_to_cfa_displacement): Rename to...
7651 (compute_frame_pointer_to_fb_displacement): ... this. New
7652 offset parameter. Use it in computation.
7653 (gen_subprogram_die): Compute cfa_fb_offset with the new
7654 macro, and use it to compute the fb loc list and the
7657 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7659 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7660 replaced with register_operand.
7661 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7662 non-DREG is expensive.
7663 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7664 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7667 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7669 * doc/install.texi2html: Use set -e.
7671 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7673 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7674 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7675 * doc/invoke.texi (-fshared-data): Delete.
7676 * common.opt (fshared-data): Delete.
7677 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7678 (assemble_static_space): Remove #if 0 code.
7679 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7680 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7681 * config/cris/cris.h: Remove FIXME.
7683 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7685 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7688 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7691 * combine.c (simplify_shift_const_1): Disable nested shifts
7692 optimization for vector shifts.
7694 2006-02-20 Roger Sayle <roger@eyesopen.com>
7696 PR tree-optimization/26361
7697 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7698 of unsigned integer types.
7700 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7702 * tree-chrec.c (eq_evolutions_p): New.
7703 * tree-chrec.h (eq_evolutions_p): Declared.
7704 * tree-data-ref.c: Fix formatting.
7705 (datadep_stats, dependence_stats): New.
7707 (print_direction_vector): New.
7708 (dump_data_dependence_relation): Use print_direction_vector.
7709 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7710 (compute_subscript_distance): Static.
7711 (initialize_data_dependence_relation): Static. Get the number
7712 of loops surrounding the references from the callers, and initialize
7713 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7714 base_object_differ_p analyzers.
7715 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7716 compute_overlap_steps_for_affine_1_2,
7717 analyze_subscript_affine_affine): Count the classified dependences.
7718 Print a message when a test failed.
7719 (can_use_analyze_subscript_affine_affine): New.
7720 (analyze_siv_subscript): Compute the data dependences on symbolic
7721 scevs that verify can_use_analyze_subscript_affine_affine.
7722 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7723 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7724 Handle symbolic scevs.
7725 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7727 (subscript_dependence_tester): Moved...
7728 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7729 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7730 DDR_SIZE_VECT instead of getting it in parameter.
7731 (subscript_dependence_tester): ... here. Take as a parameter
7732 loop_nest_depth. Call build_classic_dist_vector and
7733 build_classic_dir_vector.
7734 (compute_affine_dependence): Update subscript_dependence_tester
7735 parameters. Update datadep_stats counters. Call
7736 compute_subscript_distance.
7737 (compute_self_dependence): Save the dist and dir vectors. Call
7738 compute_subscript_distance.
7739 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7740 (compute_all_dependences): Reorder parameters as they were before
7741 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7742 compute_subscript_distance. Update the use of
7743 compute_affine_dependence and initialize_data_dependence_relation.
7744 (find_data_references_in_loop): Handle COMPONENT_REF.
7745 (compute_data_dependences_for_loop): Initialize dependence_stats.
7746 Don't call build_classic_dist_vector and build_classic_dir_vector.
7747 Update the parameters of initialize_data_dependence_relation and
7748 compute_all_dependences. Print the statistics from datadep_stats.
7749 (analyze_all_data_dependences): Static. Not used until the pass for
7750 checking the data dependences is contributed.
7751 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7752 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7753 (initialize_data_dependence_relation, compute_affine_dependence,
7754 analyze_all_data_dependences, compute_subscript_distance): Removed.
7755 (print_direction_vector): New.
7756 * lambda.h (gcd): ... here.
7757 (lambda_vector_gcd): Moved here from gcd_vector.
7758 * lambda-code.c (gcd, gcd_vector): Removed.
7759 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7760 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7762 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7764 * ipa-type-escape.c: Tidy some comments and white space.
7765 * tree-ssa-operands.c: Likewise.
7767 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7770 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7771 (dump_decl_name): Do not walk the decl tree chains.
7772 * tree-pass.h (TDF_CHAIN): Remove.
7774 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7776 * Makefile.in (C): Remove
7778 (.PHONY): Remove C and PROTO
7780 2006-02-20 Roger Sayle <roger@eyesopen.com>
7783 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7784 deprecated CHAR_TYPE tree code.
7786 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7788 * configure.ac (target_list): Add install-info, dvi, html.
7789 * configure: Regenerate.
7791 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7792 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7793 treelang/Make-lang.in: Do not use double-colon rules.
7795 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7797 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7798 (TMT_USED_ALONE): New macro.
7799 * tree-pass.h (PROP_tmt_usage): New property.
7800 (TODO_update_tmt_usage): New todo.
7801 * tree-ssa-alias.c (updating_used_alone): New variable.
7802 (recalculate_used_alone): New function.
7803 (compute_may_aliases): Set updating_used_alone, call
7804 recalculate_used_alone.
7805 * tree-sra.c (pass_sra): Note that this pass destroys
7806 PROP_tmt_usage, and add TODO_update_tmt_usage.
7807 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7808 * tree-flow.h (updating_used_alone): Prototype.
7809 (recalculate_used_alone): Ditto.
7810 * passes.c (execute_todo): Add code to set updating_used_alone,
7811 and call recalculate.
7812 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7813 for clobber if used alone, and add assert to verify used_alone
7816 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7818 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7819 for non tls symbols added.
7820 (legitimize_address): Do nothing for PLUS expressions if one of the
7821 addends is a tls symbol reference.
7823 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7827 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7829 * Makefile.in (BOOTSTRAPPING): New.
7830 (quickstrap): New definition if BOOTSTRAPPING=yes.
7832 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7833 * configure.ac: Substitute all_selected_languages with the languages
7834 that were configured. For all the other variables except
7835 lang_specs_files, include all the languages in the tree.
7836 * configure: Regenerate.
7838 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7839 if there is one. Run the commands to run fixincludes in the same
7842 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7843 * doc/install.texi: Document exact conventions for searching target tools.
7844 Document --with-build-time-tools. Document toplevel bootstrap. Document
7845 something more about building an Ada cross-compiler. Don't list GNU Make
7846 requirements which affect all platforms.
7848 2006-02-19 Roger Sayle <roger@eyesopen.com>
7851 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7852 only equivalent if the have both the same mode and precision.
7854 2006-02-20 Ben Elliston <bje@au.ibm.com>
7856 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7858 2006-02-19 Roger Sayle <roger@eyesopen.com>
7859 Steven Bosscher <stevenb.gcc@gmail.com>
7861 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7862 constant pool references to identify stack mode constants.
7863 * rtlanal.c (constant_pool_constant_p): New predicate to check
7864 whether operand is a floating point constant in the pool.
7865 * rtl.h (constant_pool_constant_p): Prototype here.
7866 * loop.c (scan_loop): Avoid hoisting constants from the constant
7867 pool on STACK_REGS targets.
7868 (load_mems): Likewise.
7869 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7870 loads into x87 registers expensive in terms of register pressure.
7872 2006-02-19 Roger Sayle <roger@eyesopen.com>
7874 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7875 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7877 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7879 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7880 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7882 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7884 * doc/invoke.texi: Document -fipa-pta.
7885 * common.opt: Add ipa-pta option.
7886 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7887 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7888 (do_ds_constraint): Ditto.
7889 (get_constraint_for): Only add to referenced_vars if
7890 referenced_vars exists.
7891 (insert_into_field_list): Rewrite to do this unsorted.
7892 (insert_into_field_list_sorted): Rename old insert_into_field_list
7894 (create_function_info_for): Use insert_into_field_list_sorted.
7895 (create_variable_info_for): Rewrite so it uses unsorted version,
7896 since the field list is sorted.
7897 (intra_create_variable_infos): Only add to referenced_vars if
7898 referenced_vars exists.
7899 (ipa_pta_execute): Init heapvars, and delete when done.
7900 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7902 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7904 * doc/install.texi: Add missing `@samp'.
7906 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7908 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7911 2006-02-18 Mark Wielaard <mark@klomp.org>
7913 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7914 who added new 4.1 features, bug fixes and integration support.
7916 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7919 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7922 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7924 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7925 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7926 (copy_insn_1): Likewise. Don't copy each field individually.
7928 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7930 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7931 * rtl.c (rtx_size): Rename variable to...
7932 (rtx_code_size): ...this.
7933 (rtx_size): New function.
7934 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7935 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7937 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7938 * rtl.h (rtx_code_size): New variable.
7939 (rtx_size): Change from a variable to a function.
7940 (RTX_SIZE): Rename to...
7941 (RTX_CODE_SIZE): ...this.
7944 PR tree-optimization/17106
7945 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7946 (Anchored Addresses): New section.
7947 * doc/invoke.texi (-fsection-anchors): Document.
7948 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7949 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7950 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7951 * hooks.c (hook_bool_mode_rtx_false): New function.
7952 * hooks.h (hook_bool_mode_rtx_false): Declare.
7953 * gengtype.c (create_optional_field): New function.
7954 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7955 SYMBOL_REF_IN_BLOCK_P is true.
7956 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7957 (min_anchor_offset, max_anchor_offset): Likewise.
7958 (use_anchors_for_symbol_p): New hook.
7959 * toplev.c (compile_file): Call output_object_blocks.
7960 (target_supports_section_anchors_p): New function.
7961 (process_options): Check that -fsection-anchors is only used on
7962 targets that support it and when -funit-at-a-time is in effect.
7963 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7964 if the decl doesn't have one.
7965 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7966 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7967 of force_const_mem through use_anchored_address.
7968 (expand_expr_constant): New function.
7969 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7970 calling expand_expr for INDIRECT_REF.
7971 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7972 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7973 * expr.h (use_anchored_address): Declare.
7974 * loop-unroll.c: Don't declare rtx vectors here.
7975 * explow.c: Include output.h.
7976 (validize_mem): Call use_anchored_address.
7977 (use_anchored_address): New function.
7978 * common.opt (-fsection-anchors): New switch.
7979 * varasm.c (object_block_htab, anchor_labelno): New variables.
7980 (hash_section, object_block_entry_eq, object_block_entry_hash)
7981 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7982 (use_blocks_for_decl_p, change_symbol_section): New functions.
7983 (get_variable_section): New function, split out from assemble_variable.
7984 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7985 use_blocks_for_decl_p say so. Use change_symbol_section if the
7986 symbol has already been created.
7987 (assemble_variable_contents): New function, split out from...
7988 (assemble_variable): ...here. Don't output any code for
7989 block symbols; just pass them to place_block_symbol.
7990 Use get_variable_section and assemble_variable_contents.
7991 (get_constant_alignment, get_constant_section, get_constant_size): New
7992 functions, split from output_constant_def_contents.
7993 (build_constant_desc): Create a block symbol if use_object_blocks_p
7994 says so. Or into SYMBOL_REF_FLAGS.
7995 (assemble_constant_contents): New function, split from...
7996 (output_constant_def_contents): ...here. Don't output any code
7997 for block symbols; just pass them to place_section_symbol.
7998 Use get_constant_section and get_constant_alignment.
7999 (force_const_mem): Create a block symbol if use_object_blocks_p and
8000 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8001 (output_constant_pool_1): Add an explicit alignment argument.
8002 Don't switch sections here.
8003 (output_constant_pool): Adjust call to output_constant_pool_1.
8004 Switch sections here instead. Don't output anything for block symbols;
8005 just pass them to place_block_symbol.
8006 (init_varasm_once): Initialize object_block_htab.
8007 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8008 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8009 (place_block_symbol, get_section_anchor, output_object_block)
8010 (output_object_block_htab, output_object_blocks): New functions.
8011 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8012 (TARGET_ASM_OUT): Include it.
8013 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8014 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8015 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8016 (TARGET_INITIALIZER): Include them.
8017 * rtl.c (rtl_check_failed_block_symbol): New function.
8018 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8019 (block_symbol, object_block): New structures.
8020 (rtx_def): Add a block_symbol field to the union.
8021 (BLOCK_SYMBOL_CHECK): New macro.
8022 (rtl_check_failed_block_symbol): Declare.
8023 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8024 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8025 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8026 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8027 * output.h (output_section_symbols): Declare.
8028 (object_block): Name structure.
8029 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8030 (default_use_anchors_for_symbol_p): Declare.
8031 * Makefile.in (RTL_BASE_H): Add vec.h.
8032 (explow.o): Depend on output.h.
8033 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8034 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8035 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8036 (rs6000_use_blocks_for_constant_p): New function.
8038 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8040 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8042 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8045 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8048 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8050 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8054 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8057 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8058 instead of DECL_REGISTER.
8060 2006-02-18 Olivier Hainque <hainque@adacore.com>
8063 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8065 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8068 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8069 * opth-gen.awk: Handle Var and InverseMask together.
8070 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8071 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8072 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8073 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8075 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8076 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8077 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8078 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8079 LINUX_DYNAMIC_LINKER): Define.
8080 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8081 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8083 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8084 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8085 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8086 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8087 (TARGET_C99_FUNCTIONS): Don't define.
8088 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8089 GLIBC_DYNAMIC_LINKER.
8090 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8091 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8092 GLIBC_DYNAMIC_LINKER64): Define.
8093 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8094 LINUX_DYNAMIC_LINKER64.
8095 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8096 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8097 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8098 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8099 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8100 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8101 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8102 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8103 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8104 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8105 and LINUX_DYNAMIC_LINKER32.
8106 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8107 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8108 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8109 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8110 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8112 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8113 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8114 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8115 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8116 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8117 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8118 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8119 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8120 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8121 LINUX_DYNAMIC_LINKER): Define.
8122 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8123 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8124 GLIBC_DYNAMIC_LINKER64): Define.
8125 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8126 LINUX_DYNAMIC_LINKER64.
8127 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8128 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8129 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8130 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8131 LINUX_DYNAMIC_LINKER): Define.
8132 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8133 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8134 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8135 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8136 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8137 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8138 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8139 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8140 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8141 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8142 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8143 * doc/invoke.texi (-muclibc): Remove caveat about supported
8146 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8148 * doc/cpp.texi (__TIMESTAMP__): Document.
8150 2006-02-17 Roger Sayle <roger@eyesopen.com>
8153 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8154 C is one less than the width of X (and related transformations).
8155 * simplify-rtx.c (simplify_unary_operation_1): Transform
8156 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8157 depending on STORE_FLAG_VALUE, were C is one less then the
8160 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8162 Fix PR tree-optimization/26341
8163 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8164 about NAME_MEMORY_TAG's.
8166 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8169 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8170 with hardware float support, and software float support. Add fcpy
8171 alternative to hardware patterns. Add alternatives to copy between
8172 general and floating-point registers to the 32-bit pattern.
8173 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8174 secondary reload to load a QI or HI mode constant into a floating
8176 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8177 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8179 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8182 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8184 (load_macho_picbase_di): Likewise.
8186 2006-02-16 Jeff Law <law@redhat.com>
8188 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8189 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8190 (ssa_name_nonzero_p): Likewise.
8191 (get_value_range): Return NULL if VRP is not running.
8192 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8193 VRP routines do not discover a range.
8194 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8195 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8196 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8197 (tree_expr_nonnegative_p): Similarly.
8198 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8199 (restore_nonzero_vars_to_original_value): Remove.
8200 (unsafe_associative_fp_binop): Remove.
8201 (tree_ssa_dominator_optimize): Remove initialization and
8202 finalization of nonzero_vars and nonzero_vars_stack.
8203 (dom_opt_initialize_block): No longer push marker on
8205 (dom_opt_finalize_block): No longer call
8206 restore_nonzero_vars_to_original_value.
8207 (record_equivalences_from_phis): No longer look for
8208 nonzero PHI arguments.
8209 (cprop_into_successor_phis): No longer propagate nonzero
8210 property into PHI arguments. Lose unused argument. Caller
8212 (record_equivalences_from_stmt): No longer record nonzero
8213 values for SSA_NAMEs.
8214 (lookup_avail_expr): No longer use nonzero_vars.
8216 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8217 for sizetype when sizetype is unsigned.
8219 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8221 PR rtl-optimization/25603
8222 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8223 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8224 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8225 with new meaning of SETS.
8227 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8232 * config/linux.opt: New file.
8233 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8234 LINUX_DYNAMIC_LINKER): Define.
8235 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8236 * config.gcc (*-*-linux*): Define extra_options.
8237 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8238 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8239 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8240 GLIBC_DYNAMIC_LINKER.
8241 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8242 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8243 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8244 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8245 * doc/invoke.texi (GNU/Linux Options): New section.
8247 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8249 * config/sparc/sparc.md (setjmp): Rewrite.
8250 (setjmp_32): Delete.
8251 (setjmp_64): Likewise.
8253 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8255 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8258 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8260 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8263 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8265 PR rtl-optimization/26296
8266 * Makefile.in (loop-invariant.c): Add except.h dependency.
8267 * loop-invariant.c: Include except.h.
8268 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8270 2005-02-16 Paul Brook <paul@codesourcery.com>
8272 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8275 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8277 PR rtl-optimization/25636
8278 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8279 when deciding whether an insn is an initializing insn.
8281 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8283 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8284 (tree_code_size): Ditto.
8285 * tree.h (struct tree_memory_tag): Remove parent_var.
8286 (struct tree_struct_field_tag): New.
8289 (union tree_node): Add sft member.
8290 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8292 (create_sft): Add size and offset argument, set SFT_OFFSET and
8294 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8295 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8296 * tree-flow-inline.h (get_subvar_at): Update for
8297 SFT_OFFSET/SFT_SIZE.
8298 (var_can_have_subvars): Ditto.
8299 (overlap_subvar): Ditto.
8300 * print-tree.c (print_node): Print out interesting things for
8302 * tree-flow.h (struct subvar): Remove offset and size members.
8303 * tree-ssa-operands.c (get_expr_operands): Update for
8304 get_indirect_ref_operands changes.
8305 (get_indirect_ref_operands): Call add_virtual_operand instead of
8306 add_stmt_operand. Only recurse on base var if requested.
8307 (access_can_touch_variable): New function.
8308 (add_stmt_operand): Split virtual operand handling into ...
8309 (add_virtual_operand): Here. Add offset, size, and for_clobber
8310 arguments. Prune alias sets.
8311 (add_call_clobber_ops): Call add_virtual_operand.
8313 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8316 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8318 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8319 than TREE_CODE as index into omp_clause_num_ops array.
8321 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8323 PR rtl-optimization/26184
8324 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8326 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8327 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8328 must_precede, must_follow and tobe_scheduled.
8331 * opts.c (common_handle_option): Free new_option pointer.
8332 * df-core.c (df_analyze): Free postorder pointer.
8334 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8336 * Makefile.in: Fix the examples about the use of stamps
8338 2006-02-15 Michael Matz <matz@suse.de>
8342 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8343 influenced by maximum_field_alignment or DECL_PACKED.
8344 (update_alignment_for_field): Ditto.
8345 (place_field): Ditto.
8346 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8349 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8351 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8352 (debug_flow_info): Pass it.
8353 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8354 * bb-reorder.c (reorder_basic_blocks): Likewise.
8355 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8356 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8357 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8358 * gcse.c (gcse_main, bypass_jumps): Likewise.
8359 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8360 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8361 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8362 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8363 * rtl.h (dump_flow_info): Adjust prototype.
8364 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8365 * var-tracking.c (variable_tracking_main): Likewise.
8366 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8367 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8370 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8372 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8375 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8377 PR tree-optimization/26209
8378 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8379 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8381 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8383 2006-02-14 Roger Sayle <roger@eyesopen.com>
8386 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8387 (X,Y) and the corresponding symmetry related transformations.
8388 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8389 (X,Y) and its symmetry related transformations.
8391 2006-02-14 Roger Sayle <roger@eyesopen.com>
8393 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8396 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8398 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8400 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8403 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8404 support COMDAT group.
8405 * configure: Regenerate.
8407 2006-02-14 Roger Sayle <roger@eyesopen.com>
8412 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8414 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8416 Fix PR tree-optimization/26260
8418 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8420 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8421 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8422 * tree-ssa-structalias.c (create_variable_info_for): Use
8423 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8425 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8427 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8429 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8430 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8431 of the ending condition.
8432 * tree-ssa-loop-manip.c: Include params.h.
8433 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8434 tree_unroll_loop): New functions.
8435 * tree-pass.h (pass_loop_prefetch): Declare.
8436 * loop.c (rest_of_handle_loop_optimize): Test for
8437 -fprefetch-loop-arrays-rtl.
8438 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8439 * timevar.def (TV_TREE_PREFETCH): New timevar.
8440 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8441 pass_loop_prefetch): New.
8442 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8443 (cleanup_tree_cfg_loop): Call scev_reset.
8444 * common.opt (fprefetch-loop-arrays-rtl): Add.
8445 * tree-ssa-loop-prefetch.c: New file.
8446 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8447 (new_temp_expr_table): Initialize expr_vars.
8448 (free_temp_expr_table): Cleanup expr_vars.
8449 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8450 expressions from being merged into one.
8451 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8452 (struct tree_niter_desc): Add control, bound and cmp fields.
8453 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8455 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8456 (tree-cfgcleanup.o): Add SCEV_H dependency.
8457 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8458 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8460 2006-02-14 Richard Guenther <rguenther@suse.de>
8462 PR tree-optimization/26258
8463 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8464 in PHI argument processing.
8466 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8468 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8469 new expression in the requested machine mode.
8471 2006-02-13 Roger Sayle <roger@eyesopen.com>
8473 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8474 directly, instead let do_compare_rtx_and_jump handle this for us.
8475 * expr.c (expand_expr_real_1): Likewise.
8476 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8477 before do_jump_by_parts_greater.
8478 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8479 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8481 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8483 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8485 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8487 PR rtl-optimization/26235
8488 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8489 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8492 2006-02-13 Jeff Law <law@redhat.com>
8494 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8497 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8500 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8501 twice if decl is a builtin. When trying again, call get_callee_fndecl
8502 first to verify it is still a builtin.
8504 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8506 * dwarf2out.c (base_type_die): Don't add AT_name here.
8507 (subrange_type_die): Don't add AT_name here.
8508 (modified_type_die): Rearrange code flow. Do add AT_name here.
8510 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8512 PR rtl-optimization/26247
8513 PR rtl-optimization/26248
8514 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8516 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8518 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8519 * config/fixtfdi.c: Likewise.
8520 * config/fixunstfdi.c: Likewise.
8521 * config/floatditf.c: Likewise.
8523 2006-02-13 Roger Sayle <roger@eyesopen.com>
8526 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8527 into (X,C2) if C1 is a subset of the bits of C2. Transform
8528 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8530 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8532 2006-02-13 Josh Conner <jconner@apple.com>
8535 * varasm.c (function_section): Check for section name before
8536 calling select_section on targets that define
8537 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8538 unlikely_text_section instead of hot_function_section if
8539 first_function_block_is_cold.
8541 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8544 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8546 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8548 PR rtl-optimization/26222
8549 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8550 after tree->rtl expansion.
8551 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8552 before passing it to emit_move_insn.
8554 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8556 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8558 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8559 Clarify documentation.
8560 * c-common.h (warn_write_strings): Remove.
8561 * c-common.c (warn_write_strings): Likewise.
8562 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8565 2006-02-12 Roger Sayle <roger@eyesopen.com>
8568 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8569 (do_jump_parts_zero_rtx): New function renamed from
8570 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8571 (do_jump_parts_equality_rtx): New function split out from
8572 do_jump_parts_equality. Old implementation renamed as above.
8573 Call do_jump_parts_zero_rtx if either operand is zero.
8574 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8575 do all of the heavy lifting.
8576 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8577 calling either do_jump_by_parts_greater_rtx or
8578 do_jump_by_parts_equality_rtx.
8579 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8580 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8581 moved to do_compare_rtx_and_jump, call it directly.
8582 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8583 mode argument. Call do_compare_rtx_and_jump.
8584 (emit_case_nodes): Update calls to do_jump_if_equal.
8586 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8588 PR rtl-optimization/26225
8589 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8591 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8593 PR rtl-optimization/26232
8594 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8596 2006-02-11 Jason Merrill <jason@redhat.com>
8599 * tree-inline.c (declare_return_variable): Just don't use the
8600 modify target if it's a gimple complex reg and the return slot
8603 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8605 * doc/contrib.texi: Update my entry.
8607 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8609 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8611 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8613 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8616 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8618 * doc/invoke.texi (-floop-optimize2): Removed.
8619 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8620 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8621 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8622 * common.opt (floop-optimize2): Removed.
8623 (fmove-loop-invariants): Enabled by default.
8625 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8627 * tree-if-conv.c (combine_blocks): Free the result of
8628 get_loop_exit_edges.
8630 2006-02-10 Jeff Law <law@redhat.com>
8632 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8634 PR tree-optimization/26213
8635 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8636 loop trying to follow SSA_NAME_VALUE chains.
8638 2006-02-10 Richard Guenther <rguenther@suse.de>
8640 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8641 deal with structures that end in implicitly variable sized arrays.
8643 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8645 PR rtl-optimization/24762
8646 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8649 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8651 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8652 (struct ivopts_data): Add regs_used field.
8653 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8654 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8655 instead of loop_data->regs_used;
8656 (free_loop_data): Do not free aux fields for loops.
8657 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8658 and tree_ssa_iv_optimize_finalize.
8660 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8662 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8664 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8667 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8668 computing the effective result type.
8670 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8673 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8674 (tree_overlaps_hard_reg_set): Declare.
8675 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8676 type and signature to match function type expected by walk_tree.
8677 (tree_overlaps_hard_reg_set): New function.
8678 (decl_conflicts_with_clobbers_p): Rename to:
8679 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8680 Use tree_overlaps_hard_reg_set. Changed caller.
8681 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8682 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8683 * cris.c (cris_md_asm_clobbers): Likewise.
8685 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8687 * reload1.c (emit_input_reload_insns): Delete code that tries to
8688 inherit using find_equiv_reg.
8690 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8692 * c-common.h (flag_const_strings): Don't declare.
8693 * c-common.c (flag_const_strings): Remove.
8694 * c.opt (fconst_strings): Remove.
8695 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8696 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8697 (c_common_init_options): Don't set flag_const_strings.
8698 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8700 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8702 * arm.md (tlobits_cbranch): New pattern.
8703 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8704 testing a single bit.
8706 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8709 * tree-ssa-pre.c (create_component_ref_by_pieces):
8710 Handle RETURN_DECL like VAR_DECL.
8712 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8715 * fold-const.c (fold_indirect_ref_1): Fold
8716 "*(foo *)&complexfoo" to "__real__ complexfoo"
8717 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8719 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8721 * tree-flow-inline.h (var_can_have_subvars):
8722 Volatile variables should not have subvariables.
8724 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8727 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8728 multiplying unsigned values.
8731 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8733 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8735 2006-02-08 Jason Merrill <jason@redhat.com>
8738 * tree.def: Elaborate on difference from MODIFY_EXPR.
8739 * doc/c-tree.texi (INIT_EXPR): Likewise.
8740 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8741 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8742 (gimplify_target_expr): Likewise.
8743 (gimplify_cond_expr): Remove target handling.
8744 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8745 (gimplify_expr): Clobber it here.
8746 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8747 Do return slot optimization if we have an INIT_EXPR.
8750 * tree-inline.c (declare_return_variable): Also clear
8751 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8754 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8757 * gimplify.c (gimplify_one_sizepos): Fix typo.
8759 2006-02-08 Jeff Law <law@redhat.com>
8761 PR tree-optimization/21417
8762 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8763 across a backedge if the control statement at the end of the
8764 block is data dependent on other statements in the same block.
8765 (record_temporary_equivalences_from_stmts): Remove over-conservative
8766 test for threading across backedges.
8768 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8769 control statement, handle all three special cases in the same
8770 manner as they all have the same desired solution. No longer
8771 special case edge flag updating when the post dominator is
8774 2006-02-08 Roger Sayle <roger@eyesopen.com>
8776 * tree.def (CHAR_TYPE): Remove.
8777 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8778 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8779 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8780 (gen_string_type_die): Delete unreachable function.
8782 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8783 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8784 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8785 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8786 * builtins.c (type_to_class): Likewise.
8787 * fold-const.c (fold_convert, build_range_check,
8788 merge_ranges): Likewise.
8789 * expr.c (count_type_elements): Likewise.
8790 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8791 * stor-layout.c (layout_type): Likewise.
8792 * ipa-type-escape.c (type_to_consider): Likewise.
8793 * gimplify.c (omp_firstprivatize_type_sizes,
8794 gimplify_type_sizes): Likewise.
8795 * explow.c (promote_mode): Likewise.
8796 * tree-sra.c (is_sra_scalar_type): Likewise.
8797 * varasm.c (output_constant): Likewise.
8798 * tree-inline.c (remap_type_1): Likewise.
8799 * convert.c (convert_to_pointer, convert_to_real,
8800 convert_to_integer, convert_to_complex): Likewise.
8802 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8804 * df-scan.c (df_def_record_1): A set destination may
8805 be a parallel regardless of mode.
8807 2006-02-08 Roger Sayle <roger@eyesopen.com>
8810 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8811 * config/mips/_tilib.c: Remove.
8812 * config/fixtfdi.c: New libgcc source file.
8813 * config/fixunstfdi.c: New source file.
8814 * config/floatditf.c: New source file.
8815 * config/floatunditf.c: New souce file.
8816 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8817 files above instead of config/mips/_tilib.c.
8818 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8820 2006-02-08 Jeff Law <law@redhat.com>
8822 PR tree-optimization/26169
8823 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8826 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8828 * df.h (DF_REG_SIZE): Return the length of the initialized
8831 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8833 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8834 __muldf3): Return a correctly signed zero.
8836 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8838 * passes.c (register_one_dump_file): Accept the current properties
8839 instead of pass number. Adjust call to dump_register. Remove
8841 (register_dump_files): Now a wrapper around...
8842 (register_dump_files_1): ... this one. Do not modify the pass
8844 (next_pass_1): Cosmetic fix.
8845 (execute_todo): Keep second parameter only. Use curr_properties
8846 instead of fetching it from the pass structure. Check and set
8848 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8849 instead of fetching it from the pass structure. Fix calls to
8850 execute_todo. Update curr_properties and initialize .vcg RTL dump
8851 after running the pass. Reset last_verified.
8852 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8854 (FIRST_AUTO_NUMBERED_DUMP): New.
8855 (dump_register): Remove "num" parameter, assign it within the
8857 (get_dump_file_name): Modify template for dumps.
8858 * tree-dump.h (dump_register): Adjust prototype.
8859 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8860 (PROP_trees): Add PROP_gimple_lomp.
8861 (TODO_set_props): New.
8862 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8863 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8864 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8866 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8868 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8869 (sparc64-*-linux*): Likewise.
8870 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8871 * config/sparc/t-linux: New file.
8872 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8873 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8874 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8875 -m32 -mlong-double-128.
8877 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8878 * config/alpha/t-linux: New file.
8879 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8881 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8882 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8883 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8884 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8885 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8886 (CPP_ARCH32_SPEC): Remove.
8888 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8890 PR tree-optimization/26145
8891 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8894 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8897 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8898 >= 240000 when generating code for SOM runtime.
8899 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8900 to $$dyncall when generating code for SOM runtime..
8902 2006-02-07 Dirk Mueller <dmueller@suse.com>
8905 * doc/invoke.texi (-Wsequence-point): Update documentation
8906 that -Wsequence-point is implemented for C++ as well.
8908 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8910 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8911 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8912 (LIB_SPEC): Likewise.
8913 * doc/invoke.texi (SPARC options): Document -pthread.
8915 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8917 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8920 2006-02-07 Roger Sayle <roger@eyesopen.com>
8922 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8923 Correct comment describing BOOLEAN_TYPE.
8925 2006-02-07 Dirk Mueller <dmueller@suse.com>
8927 * c.opt: C++ frontend supports -Wdiv-by-zero.
8928 * c-opts.c (c_common_handle_option): Remove dead case.
8930 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8932 * configure.ac (TLS assembler check): Do not enable TLS by
8933 default on SPARC/Solaris before version 10.
8934 * configure: Regenerate.
8936 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8938 * doc/invoke.texi (xl-compat): Document conversion and support
8941 2006-02-07 Jeff Law <law@redhat.com>
8943 * tree-vrp.c (find_conditional_asserts): Update comments.
8944 (simplify_stmt_for_jump_threading): New.
8945 (identify_jump_threads, finalize_jump_threads): New.
8946 (vrp_finalize): Call identify_jump_threads.
8947 (execute_vrp): Call finalize_jump_threads.
8948 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8949 (vrp_element, vrp_data, vrp_element_p): Remove.
8950 (vrp_hash_elt, vrp_variables_stack): Remove.
8951 (vrp_hash, vrp_eq, record_range): Remove.
8952 (simplify_cond_and_lookup_avail_expr): Remove.
8953 (extract_range_from_cond): Remove.
8954 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8955 (simplify_stmt_for_jump_threading): New.
8956 (dom_thread_across_edge): New wrapper.
8957 (tree_ssa_dominator_optimize): No longer initialize or
8958 finalize any of the VRP datastructures. Remove iteration
8959 step and simplify as a result of removal of iteration step.
8960 (pass_dominator): Perform a cfg cleanup after DOM.
8961 (dom_opt_finalize_block): Use the new common routines
8962 for threading jumps. Simplify stack management slightly.
8963 No longer need to unwind VRP state.
8964 (record_equivalences_from_incoming_edge): No longer record
8966 (eliminate_redundant_computations): No longer call
8967 simplify_cond_and_lookup_avail_expr.
8968 * tree-flow.h (potentially_threadable_block): Prototype.
8969 (thread_across_edge): Likewise.
8970 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8971 (tree-ssa-threadedge.o): Add dependencies.
8972 * tree-ssa-threadedge.c: New file.
8973 * passes.c (init_optimization_passes): Merge PHIs before
8974 calling VRP. Run VRP again late in the SSA optimization pipeline.
8976 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8978 * df-core.c (df_set_blocks): Do not dereference function pointers.
8979 (df_finish1): Likewise.
8980 (df_hybrid_search_forward): Likewise.
8981 (df_hybrid_search_backward): Likewise.
8982 (df_iterative_dataflow): Likewise.
8983 (df_analyze_problem): Likewise.
8984 (df_compact_blocks): Likewise.
8985 (df_dump): Likewise.
8986 * df-scan.c (df_rescan_blocks): Likewise.
8987 (df_record_entry_block_defs): Likewise.
8989 * genconditions.c (write_conditions): Guard the definition of
8990 'insn_conditions' with the check on GCC version.
8991 (write_writer): Guard the traversal 'insn_conditions' with
8992 the check on GCC version.
8994 2006-02-07 Richard Guenther <rguenther@suse.de>
8998 2006-01-30 Richard Guenther <rguenther@suse.de>
9000 * gimplify.c (gimplify_target_expr): Handle easy cases
9001 without creating a temporary.
9003 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9005 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9006 use of float in probability computations. Use edge probabilities
9007 in place of statically computed probabilities.
9008 (min_spec_prob): New static variable.
9009 (schedule_insns): Initialize it.
9010 (GET_SRC_PROB): Removed.
9011 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9013 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9016 * config/ia64/unwind-ia64.c: Revert last change.
9017 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9018 (INCOMING_FRAME_SP_OFFSET): Define.
9020 2006-02-06 Roger Sayle <roger@eyesopen.com>
9022 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9024 2006-02-07 Ben Elliston <bje@au.ibm.com>
9026 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9027 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9028 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9029 (ix86_return_in_memory): Handle TDmode.
9030 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9031 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9033 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9035 * reorg.c (dbr_schedule): Use dump_file instead of file.
9037 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9040 * config/ia64/predicates.md (extr_len_operand): New predicate.
9041 * config/ia64/ia64.md (extv): Tighten constraints.
9043 (*tbit_and_2): Ditto.
9044 (*tbit_and_3): Ditto.
9045 (*tbit_or_2): Ditto.
9046 (*tbit_or_3): Ditto.
9050 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9053 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9055 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9057 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9058 loop_optimizer_init and loop_optimizer_finalize
9059 * tree-ssa-sink.c (execute_sink_code): Ditto.
9060 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9061 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9062 tree_ssa_loop_done): Ditto.
9063 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9064 * sched-ebb.c: Include output.h.
9065 (schedule_ebbs): Do not use dump argument.
9066 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9067 * loop.c (loop_dump_stream): Removed.
9068 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9070 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9071 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9072 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9073 loop_iterations, strength_reduce, record_biv, record_giv,
9074 final_giv_value, check_final_value, check_ext_dependent_givs,
9075 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9076 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9077 dump_file instead of loop_dump_stream.
9078 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9080 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9082 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9083 * haifa-sched.c: Include output.h
9084 (schedule_insns, sched_init): Do not use dump argument.
9085 * mode-switching.c (optimize_mode_switching): Ditto.
9086 * modulo-sched.c (stats_file): Removed.
9087 (print_node_sched_params): Do not call argument dump_file.
9088 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9089 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9091 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9093 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9094 rtl_loop_init, rtl_loop_done): Ditto.
9095 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9096 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9098 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9099 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9100 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9101 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9102 * emit-rtl.c (renumber_insns): Ditto.
9103 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9104 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9105 * regclass.c (regclass): Ditto.
9106 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9107 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9108 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9109 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9111 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9112 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9114 * gcse.c (gcse_file, debug_stderr): Removed.
9115 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9116 rest_of_handle_gcse): Do not use dump argument.
9117 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9118 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9119 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9120 compute_code_hoist_vbeinout, compute_code_hoist_data,
9121 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9122 compute_store_table, build_store_vectors, insert_insn_start_bb,
9123 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9124 store_motion): Use dump_file instead of gcse_file.
9125 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9126 * profile.c (profile_dump_file): Removed.
9127 (branch_prob): Use dump_file instead of profile_dump_file.
9128 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9130 * tree-ssa-copy.c (dump_copy_of): Ditto.
9131 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9132 dump file to life_analysis.
9133 * bt-load.c (branch_target_load_optimize): Ditto.
9134 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9136 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9137 regclass, dbr_schedule): Declaration changed.
9138 * sched-int.h (sched_init): Declaration changed.
9139 * tree-profile.c (tree_profile_dump_file): Removed.
9140 (tree_profile_hooks): Removed profile_dump_file hook.
9141 * rtl-profile (rtl_profile_dump_file): Removed.
9142 (rtl_profile_hooks): emoved profile_dump_file hook.
9143 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9145 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9146 * tree-cfg.c (build_tree_cfg): Ditto.
9147 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9148 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9149 Declaration changed.
9150 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9151 life_analysis and schedule_insns.
9152 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9154 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9156 * config/mips/mips.c (mips_reorg): Ditto.
9157 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9160 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9162 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9163 (s390_mangle_fundamental_type): New.
9164 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9167 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9168 (alpha_mangle_fundamental_type): New.
9169 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9172 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9174 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9176 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9177 (sparc_mangle_fundamental_type): New.
9179 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9181 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9182 (s390x-*-linux*): Likewise.
9183 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9184 * config/s390/t-linux: New file.
9186 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9188 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9189 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9191 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9193 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9194 (ANTIC_SAFE_LOADS): New macro.
9195 (find_or_generate_expression): Add prototype.
9196 (set_contains_value): Allow null set for sake of not always having
9197 to allocate ANTIC_SAFE_LOADS.
9198 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9199 Allow COMPONENT_REF too.
9200 (valid_in_set): Allow COMPONENT_REF.
9201 Check ANTIC_SAFE_LOADS too.
9202 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9203 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9205 (can_PRE_operation): Add COMPONENT_REF.
9206 (create_component_ref_by_pieces): New function.
9207 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9208 (insert_aux): Move AGGREGATE_TYPE_P check here.
9209 (compute_avail): Set bb local stmt uids.
9210 (pass_pre): Use TODO_update_ssa_only_virtuals.
9212 2006-02-06 Ben Elliston <bje@au.ibm.com>
9214 * configure.ac: Unconditionally disable decimal float by default.
9215 * configure: Regenerate.
9217 2006-02-06 Ben Elliston <bje@au.ibm.com>
9219 * read-rtl.c (read_name): Terminate reading on EOF.
9221 2006-02-06 Ben Elliston <bje@au.ibm.com>
9223 * dfp.c (decimal_real_arithmetic): Change second argument type
9224 from int to enum tree_code. Do not always return true, but now
9225 return result of any call to decimal_do helper functions.
9226 * dfp.h (decimal_real_arithmetic): Update prototype.
9228 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9230 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9232 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9235 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9238 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9240 * tree-vrp.c (cfg_loops): Removed.
9241 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9242 Use current_loops instead of cfg_loops. Pass flags to
9243 loop_optimizer_init.
9244 * cfgloopmanip.c (fix_loop_structure): Update only available
9246 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9247 loop_optimizer_init.
9248 * modulo-sched.c (build_loops_structure): Removed.
9249 (sms_schedule): Use loop_optimizer_init.
9250 * loop-init.c (loop_optimizer_init): Use flags to determine
9251 which properties of loops to prepare.
9252 (rtl_loop_init): Pass flags to loop_optimizer_init.
9253 * tree-ssa-sink.c (execute_sink_code): Ditto.
9254 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9255 * tree-ssa-pre.c (init_pre): Ditto.
9256 * cfgloop.h (LOOPS_NORMAL): New.
9257 (loop_optimizer_init): Declaration changed.
9259 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9261 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9262 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9264 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9266 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9268 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9269 * pa/t-pa64: Delete quadlib.c rule.
9270 * pa/x-ada: Revert last change.
9271 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9273 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9275 PR rtl-optimization/26087
9276 * rtlanal.c (canonicalize_condition): Do not cross basic block
9279 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9282 * config/ia64/ia64.c: Include debug.h.
9283 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9284 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9285 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9286 (process_epilogue, process_set, process_for_unwind_directive):
9287 Output unwind info only if requested. Add CFA info if requested.
9288 Add new arguments as needed. Adjust callers.
9289 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9291 (DWARF2_FRAME_INFO): Define to zero.
9292 * config/ia64/unwind-ia64.c: Remove code that compensated for
9293 the CFA offset error fixed above.
9294 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9295 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9296 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9297 -funwind-tables and -fexceptions to enable frame info.
9298 (dwarf2out_frame_init): Define initial CFA even if
9299 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9300 DWARF2_UNWIND_INFO is nonzero, not just defined.
9301 (dwarf2out_frame_finish): Output non-EH call frame info only
9302 if DWARF2_FRAME_INFO is nonzero.
9303 (convert_cfa_to_loc_list,
9304 compute_frame_pointer_to_cfa_displacement): Define even if
9305 unwind info is not supported.
9306 (gen_subprogram_die): Use the above unconditionally. Remove
9307 legacy alternate code.
9308 * toplev.c (compile_file): Compile in call to
9309 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9310 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9312 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9313 Jakub Jelinek <jakub@redhat.com>
9315 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9316 IBM extended float format long double as "g" on powerpc*-linux.
9318 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9321 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9322 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9324 2006-02-03 Jason Merrill <jason@redhat.com>
9327 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9330 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9331 on the return slot if it's an NRV.
9333 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9335 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9336 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9337 rewrite_use): Do not handle USE_OUTER.
9338 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9339 add_iv_outer_candidates, may_replace_final_value,
9340 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9341 (find_interesting_uses_op): Functionality of
9342 find_interesting_uses_outer_or_nonlin moved here.
9343 (find_interesting_uses_outside): Use find_interesting_uses_op.
9345 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9348 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9350 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9351 Ulrich Weigand <uweigand@de.ibm.com>
9354 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9355 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9356 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9357 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9359 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9360 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9361 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9362 Define secondary reloads for TFmode moves.
9363 (constant_modes): Add TFmode.
9364 (NR_C_MODES): Set to 8.
9365 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9367 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9368 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9369 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9370 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9371 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9372 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9373 (FPR mode macro): Add TFmode.
9374 (DSF mode macro): New.
9375 (<de>, <dee> mode attributes): Removed.
9376 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9377 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9378 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9379 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9380 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9381 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9382 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9383 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9384 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9385 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9386 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9387 "*negabs<mode>2", "sqrt<mode>2"):
9388 Changed <de> to <xde>. R constraint replaced by <Rf>.
9389 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9391 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9392 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9393 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9395 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9396 "extenddftf2", "extendsftf2"): New expanders.
9397 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9398 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9399 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9400 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9402 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9403 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9404 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9405 __floatditf): Add a GCC_4.1.0 symbol version tag.
9406 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9409 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9412 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9413 Use targetm.binds_local_p instead of TREE_PUBLIC.
9415 2006-02-02 Roger Sayle <roger@eyesopen.com>
9417 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9418 on INTEGER_TYPEs to indicate that it denotes a character type.
9419 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9420 signed_char_type_node, unsigned_char_type_node and char_type_node.
9421 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9422 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9423 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9425 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9426 Daniel Berlin <dberlin@dberlin.org>
9428 * tree-tailcall.c (arg_needs_copy_p): New function.
9429 (eliminate_tail_call): Use arg_needs_copy_p.
9430 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9431 (add_virtual_phis): New function.
9433 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9435 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9436 #ignore instead of #scratch for %g7 .register directive.
9438 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9440 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9443 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9445 * flow.c (calculate_global_regs_live): Assert that there aren't any
9448 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9450 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9452 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9453 bsi_after_labels iterator.
9454 * tree-if-conv.c (find_phi_replacement_condition,
9455 replace_phi_with_cond_modify_expr): Likewise.
9456 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9457 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9459 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9461 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9463 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9466 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9467 array after growing it.
9469 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9472 * fold-const.c (fold_checksum_tree): Change type of buf.
9474 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9476 * reload.c (push_secondary_reload): Initialize t_icode.
9478 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9480 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9481 -msoft-float -mlong-double-128 only issue a warning, but don't
9482 swich to DFmode long double.
9484 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9486 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9487 has a constant equivalent, iterate over equivalents for arg0,
9488 calling simplify_relational_operation and if there's a result
9489 cheaper than X, apply fold_rtx and return the result.
9491 2006-02-01 Jan Hubicka <jh@suse.cz>
9493 * opts.c (no_unit_at_a_time_default): New global variable.
9494 (decode_options): Use it.
9495 * opts.h (no_unit_at_a_time_default): Declare.
9497 2006-02-01 Paul Brook <paul@codesourcery.com>
9499 * function.c (assign_parm_setup_reg): Use function argument promotion
9501 * expr.c (expand_expr_real_1): Use function argument promotion rules
9504 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9506 * gcc.c (process_command): Change j to 'unsigned int'.
9508 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9511 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9512 Use the corrected index for the character
9513 out of the string constant.
9515 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9517 * mode-switching.c (optimize_mode_switching): Fix size
9518 allocated for bb_info[n_entities].
9520 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9522 * gcc.c (main): Correct type that is allocated for
9523 explicit_link_files.
9525 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9527 * config/s390/s390.c (init_alignment_context): Set
9528 ALIAS_SET_MEMORY_BARRIER on the MEM.
9529 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9531 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9534 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9536 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9539 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9541 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9542 * regrename.c: Ditto.
9543 * tree-ssa-loop-im.c: Ditto.
9544 * tree-dump.c: Ditto.
9545 * tree-complex.c: Ditto.
9546 * genrecog.c: Ditto.
9547 * tree-ssa-threadupdate.c: Ditto.
9549 * java/class.c: Ditto.
9550 * java/jcf-parse.c: Ditto.
9551 * java/resource.c: Ditto.
9552 * java/except.c: Ditto.
9553 * java/jvspec.c: Ditto.
9554 * java/jcf-write.c: Ditto.
9555 * java/jcf-path.c: Ditto.
9556 * java/gjavah.c: Ditto.
9557 * java/zextract.c: Ditto.
9558 * java/jcf-io.c: Ditto.
9559 * java/jcf.h: Ditto.
9560 * java/buffer.c: Ditto.
9561 * java/lang.c: Ditto.
9562 * java/parse-scan.y: Ditto.
9563 * java/lex.c: Ditto.
9564 * java/lex.h: Ditto.
9565 * cfgloopmanip.c: Ditto.
9566 * postreload-gcse.c: Ditto.
9567 * tree-ssa-loop-manip.c: Ditto.
9568 * postreload.c: Ditto.
9569 * tree-ssa-loop-ch.c: Ditto.
9573 * diagnostic.c: Ditto.
9575 * genoutput.c: Ditto.
9577 * cfghooks.c: Ditto.
9578 * cfgloopanal.c: Ditto.
9579 * objc/objc-act.c: Ditto.
9581 * genextract.c: Ditto.
9582 * genautomata.c: Ditto.
9583 * pretty-print.c: Ditto.
9585 * cgraphunit.c: Ditto.
9588 * haifa-sched.c: Ditto.
9589 * dominance.c: Ditto.
9591 * tree-ssa-loop-ivopts.c: Ditto.
9593 * mode-switching.c: Ditto.
9594 * modulo-sched.c: Ditto.
9596 * ipa-pure-const.c: Ditto.
9598 * fix-header.c: Ditto.
9600 * tree-stdarg.c: Ditto.
9601 * ipa-utils.c: Ditto.
9602 * loop-init.c: Ditto.
9603 * ipa-inline.c: Ditto.
9606 * alloc-pool.c: Ditto.
9607 * dwarf2out.c: Ditto.
9609 * genattrtab.c: Ditto.
9610 * tree-ssa-loop-ivcanon.c: Ditto.
9614 * fortran/gfortranspec.c: Ditto.
9616 * local-alloc.c: Ditto.
9617 * langhooks.c: Ditto.
9618 * function.c: Ditto.
9619 * tree-vectorizer.c: Ditto.
9621 * ipa-type-escape.c: Ditto.
9623 * tree-if-conv.c: Ditto.
9626 * tree-data-ref.c: Ditto.
9627 * loop-unroll.c: Ditto.
9628 * treelang/treetree.c: Ditto.
9631 * ggc-common.c: Ditto.
9633 * coverage.c: Ditto.
9635 * tree-cfgcleanup.c: Ditto.
9636 * tree-ssa-pre.c: Ditto.
9637 * cfgcleanup.c: Ditto.
9638 * loop-invariant.c: Ditto.
9640 * ipa-prop.c: Ditto.
9641 * print-tree.c: Ditto.
9642 * conflict.c: Ditto.
9643 * ggc-page.c: Ditto.
9644 * sched-deps.c: Ditto.
9645 * regclass.c: Ditto.
9646 * tree-object-size.c: Ditto.
9648 * bb-reorder.c: Ditto.
9649 * resource.c: Ditto.
9650 * var-tracking.c: Ditto.
9652 * df-problems.c: Ditto.
9653 * reg-stack.c: Ditto.
9656 * sched-rgn.c: Ditto.
9657 * tree-ssa-structalias.c: Ditto.
9658 * tree-ssa-reassoc.c: Ditto.
9659 * config/darwin-c.c: Ditto.
9660 * config/darwin.c: Ditto.
9661 * config/arm/arm.c: Ditto.
9663 * collect2.c: Ditto.
9666 2006-01-31 Nicolas Pitre <nico@cam.org>
9668 * arm.md (smaxsi3): Make aware of smax_m1.
9671 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9673 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9675 2006-01-31 Richard Guenther <rguenther@suse.de>
9677 * doc/invoke.texi (-msselibm): Document.
9678 * target.h (expand_library_builtin): New target hook.
9679 * builtins.c (expand_builtin): Use expand_library_builtin.
9680 (default_expand_library_builtin): New function.
9681 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9682 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9683 (link_gcc_math_spec): Declare.
9684 (static_specs): Add link_gcc_math_spec.
9685 * expr.h (default_expand_library_builtin): Declare.
9686 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9687 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9688 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9689 * config/i386/i386.opt (msselibm): New target option.
9690 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9691 (ix86_init_sse_abi_builtins): New function.
9692 (ix86_expand_library_builtin): Likewise.
9693 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9694 (override_options): Handle error conditions wrt -msselibm.
9695 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9696 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9697 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9700 2006-01-31 Richard Guenther <rguenther@suse.de>
9701 Paolo Bonzini <bonzini@gnu.org>
9703 * doc/install.texi (--disable-libgcc-math): Document.
9705 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9707 * expr.h (expand_normal): new inline function.
9708 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9710 * dwarf2out.c: use it.
9715 * config/sparc/sparc.c: use it.
9716 * config/i386/i386.c: use it.
9717 * config/rs6000/rs6000.c: use it.
9718 * config/arm/arm.c: use it.
9719 * config/mips/mips.c: use it.
9720 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9722 2006-01-30 Roger Sayle <roger@eyesopen.com>
9724 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9725 argv to the appropriate type.
9727 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9729 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9732 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9735 * config/s390/s390.c (struct machine_function): New flag
9736 decomposed_literal_pool_addresses_ok_p.
9737 (s390_reorg): Set it before final stage of literal pool transforms.
9738 (s390_decompose_address): Only accept displacements of the form
9739 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9741 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9743 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9744 the comparison routine return.
9746 2006-01-30 Michael Matz <matz@suse.de>
9748 * global.c (find_reg): Only evict for global regs.
9749 Take n_refs into account and dump more info.
9751 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9754 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9755 (pragma_trap, pragma_nosave_low_regs): Likewise.
9756 (current_function_anonymous_args): Likewise.
9757 (sh_deferred_function_attributes): New variable.
9758 (sh_deferred_function_attributes_tail): Likewise.
9759 (print_operand): For '@', look up trap_exit attribute.
9760 (calc_live_regs): Look up trapa_handler attribute. For trapa
9761 handlers, save/restore fpscr, but don't do any other
9762 interrupt-specific saves.
9763 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9764 Fix check for partially saved registers to check for SHmedia.
9765 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9766 (sh_output_function_epilogue): Don't clear any of the removed
9768 (sh_insert_attributes): Don't check pragma_interrupt.
9769 Insert deferred attributes. Check that interrupt attribute is
9770 present for other attributes that require its presence.
9771 (sh_attribute_table): Add new attributes trapa_handler and
9773 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9774 Don't check for pragma_interrupt. Don't store argument.
9775 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9776 (sh_deferred_function_attributes): Declare.
9777 (sh_deferred_function_attributes_tail): Likewise.
9778 * sh.md (sp_switch_1): Add operand. Change generator caller.
9779 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9780 (*return_i): Don't use when trap_exit attribute is in effect.
9781 (*return_trapa): New insn pattern.
9783 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9784 setting c_target_objs and cxx_target_objs.
9785 * t-sh: Add rule for sh-c.o.
9787 2006-01-30 Richard Guenther <rguenther@suse.de>
9790 * gimplify.c (gimplify_target_expr): Handle easy cases
9791 without creating a temporary.
9793 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9795 * vec.h (safe_grow): Remove duplicated line.
9797 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9800 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9801 (expand_omp): ... here.
9802 (expand_omp_parallel): Only remove barriers for combined
9803 parallel+workshare constructs.
9805 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9809 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9810 * tree.c (build_qualified_type): Chain the new type to the original
9811 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9812 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9813 (build_pointer_type_for_mode): Only return unqualified types.
9814 (build_reference_type_for_mode): Likewise.
9816 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9818 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9819 * Makefile.in (CXX_COMPAT_WARN): Define.
9820 * configure: Regenerate.
9822 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9825 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9828 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9830 * toplev.c: Fix thinko.
9832 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9833 Marcin Dalecki <martin@dalecki.de>
9835 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9836 (push_srcloc): Use XNEW.
9837 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9839 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9841 * df-core.c (df_set_blocks): Deleted all variable.
9843 2006-01-28 Ian Lance Taylor <ian@airs.com>
9845 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9846 cgraph_output_pending_asms.
9848 2006-01-28 Zack Weinberg <zackw@panix.com>
9850 * c.opt: Add -W(no-)overlength-strings.
9851 * doc/invoke.texi: Document it.
9852 * c-opts.c (c_common_handle_option): -pedantic implies
9853 -Woverlength-strings, if not explicitly disabled already.
9854 (c_common_post_options): -Woverlength-strings defaults to off, and
9855 is always off for C++.
9856 * c-common.c (fix_string_type): Issue warning about strings longer
9857 than is portable only if warn_overlength_strings. Rearrange code
9858 a little for clarity.
9859 * configure.in: Check for -Wno-overlength-strings as well before
9860 enabling -pedantic in stage 1.
9861 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9862 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9864 * genconditions.c (write_header, write_one_condition)
9865 (write_conditions, write_writer): Consolidate very long strings
9866 that were broken up to fit in C89 portable limit. Don't use
9867 printf when fputs will do.
9869 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9871 * combine.c (simplify_comparison <AND>): Check
9872 TRULY_NOOP_TRUNCATION before start using a subreg.
9874 * config/mips/mips.md (*branch_zero<mode>,
9875 *branch_zero<mode>_inverted, *branch_equality<mode>,
9876 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9877 Remove mode check from comparisons.
9879 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9881 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9883 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9885 * expmed.c (const_mult_add_overflow_p): Remove.
9886 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9888 * recog.c (validate_replace_rtx_subexp): Remove.
9889 * recog.h: Remove the prototype for
9890 validate_replace_rtx_subexp.
9892 * integrate.h: Remove the prototype for
9893 copy_decl_for_inlining.
9894 * rtl.h: Remove the prototype for mark_constant_function.
9895 * tree-vectorizer.h: Remove the prototype for
9896 vect_strip_conversion.
9898 * modulo-sched.c (create_partial_schedule,
9899 free_partial_schedule, reset_partial_schedule): Make them
9902 * hooks.c (hook_bool_rtx_int_false): Remove.
9903 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9905 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9907 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9908 and -mlong-double-128 are incompatible.
9909 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9910 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9911 (TARGET_LIBGCC2_CFLAGS): Define.
9912 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9913 (TARGET_LIBGCC2_CFLAGS): Same.
9914 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9916 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9919 * c-typeck.c (build_binary_op): Perform implicit casts of
9920 operands before shortening them.
9922 * cfgloopmanip.c (split_loop_bb): Remove.
9923 * cfgloop.h: Remove the prototype for split_loop_bb.
9925 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9926 * cfgloop.h: Remove the prototype for
9927 flow_loop_outside_edge_p.
9929 * emit-rtl.c (init_virtual_regs): Make it static.
9930 * function.h: Remove the prototype for init_virtual_regs.
9932 * recog.c (peephole2_optimize): Make it static.
9933 * recog.h: Remove the prototype for peephole2_optimize.
9935 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9937 * df-scan.c (df_record_entry_block_defs): Check if
9938 INCOMING_RETURN_ADDR_RTX is defined.
9940 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9941 Kenneth Zadeck <zadeck@naturalbridge.com>
9943 PR rtl-optimization/24762
9944 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9945 * targhooks.c (hook_void_bitmap): New hook prototype.
9946 * targhoohs.h (hook_void_bitmap): Ditto.
9947 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9948 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9949 * target.h (live_on_entry): New function pointer.
9950 * df-scan.c (df_all_hard_regs): Removed.
9951 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9952 (df_scan_free_internal): Added df->entry_block_defs.
9953 (df_scan_alloc): Ditto.
9954 (df_scan_dump): Ditto.
9955 (df_uses_record): Plumbed flag field properly thru calls.
9956 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9957 This part fixes PR24762.
9958 (df_bb_refs_record): Added code to make the frame and arg
9959 pointers live in EH blocks.
9960 (df_refs_record): Added call to df_record_entry_block_defs.
9961 (df_record_entry_block_defs): New function.
9962 * df-core.c: Added comments to describe new artifical defs.
9963 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9964 (entry_block_defs): New field in struct df.
9965 (df_all_hard_regs): Deleted.
9966 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9967 * df-problems.c (df_ru_bb_local_compute_process_def):
9968 Added code to handle artifical defs in the entry to a function.
9969 (df_ru_bb_local_compute): Ditto.
9970 (df_rd_bb_local_compute_process_def): Ditto.
9971 (df_rd_bb_local_compute): Ditto.
9972 (df_lr_bb_local_compute): Ditto.
9973 (df_ur_bb_local_compute): Ditto.
9974 (df_urec_bb_local_compute): Ditto.
9975 (df_chain_create_bb): Ditto.
9976 (df_ur_local_finalize): Removed entry.
9977 (df_urec_init): Ditto.
9978 (df_urec_local_finalize): Ditto.
9979 (df_ri_bb_compute): Added detection of last use of pseudos.
9980 * Makefile.in (df-scan.o): Updated dependencies.
9981 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9982 * config/mips/mips.c (mips_set_live_on_entry): Added.
9983 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9985 * dce.c (marked_insn_p): Added code to handle artifical defs.
9987 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9989 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9991 (_mm_cvtsi128_si64): Likewise.
9992 (_mm_cvtsd_si64): Likewise.
9993 (_mm_cvttsd_si64): Likewise.
9994 (_mm_cvtsi64_sd): Likewise.
9995 (_mm_cvtsi64_si128): Likewise.
9996 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9997 (_mm_cvtsi64_m64): Likewise.
9998 (_m_to_int64): Likewise.
9999 (_mm_cvtm64_si64): Likewise.
10000 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10001 (_mm_cvttss_si64): Likewise.
10002 (_mm_cvtsi64_ss): Likewise.
10003 (_mm_cvtss_f32): Likewise.
10005 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10007 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10008 for pragma redefine_extname.
10010 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10013 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10014 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10015 -mno-minimal-toc to previous content.
10016 (bispecs): Remove goal.
10017 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10018 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10019 compatibility aliases on powerpc-*-*gnu*.
10020 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10021 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10022 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10023 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10024 (ldblspecs): New goal.
10025 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10026 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10028 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10029 L_sf_to_tf or L_df_to_tf is defined.
10031 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10032 Alan Modra <amodra@bigpond.net.au>
10035 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10036 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10037 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10038 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10039 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10040 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10041 (rs6000_override_options): Initialize rs6000_ieeequad.
10042 Initialize TFmode format to ibm_extended_format if not
10044 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10046 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10047 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10048 (function_arg_advance): IBM long double passed in two FPRs, not
10050 (function_arg): IBM long double passed in FPRs.
10051 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10052 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10053 Only multireg GPR aligned.
10054 (rs6000_init_libfuncs): Enable IBM long double functions if not
10056 (rs6000_generate_compare): Use IBM long double compare if not
10058 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10059 (TARGET_IEEEQUAD): Define.
10060 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10061 not TARGET_IEEEQUAD.
10062 * config/rs6000/rs6000.md: Enable TFmode patterns if
10064 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10065 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10066 and -mlong-double-128 are incompatible.
10067 * doc/invoke.texi (-mabi): Collect options together. Add
10068 ibmlongdouble and ieeelongdouble.
10070 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10072 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10074 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10075 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10076 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10077 * rtl.h (rtunion_def): Remove rt_ptr.
10079 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10080 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10081 * config/i386/winnt.c (i386_pe_mark_dllexport)
10082 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10084 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10086 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10088 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10092 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10093 pthread_key_delete. From John David Anglin. gthrw-ify
10094 pthread_getunique_np only if it it's not a macro. Delete
10096 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10097 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10098 __gthread_objc_condition_signal, __gthread_key_delete): Add
10099 "__attribute__ ((__unused__))" to unused arguments.
10100 (__gthread_recursive_mutex_init_function): Add missing return.
10101 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10102 gthr-posix95.h: Use macro-based approach for name redirection
10103 on targets missing weakref.
10105 2006-01-26 Zack Weinberg <zackw@panix.com>
10107 * genconditions.c (write_header): In generated code, #ifdef out
10108 all includes and fake declarations, except includes of bconfig.h
10109 and system.h, unless GCC_VERSION >= 3001. Do not include
10110 gensupport.h in any case.
10111 (write_conditions): Generate a definition of struct c_test. Add
10112 a comment to the generated #endif.
10113 (write_one_condition): Escape backslashes in string too.
10114 (write_writer): Generated code must escape backslashes and quote
10115 marks (but not newlines) in the strings it writes.
10116 * Makefile.in (build/gencondmd.o): Update dependencies.
10118 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10121 * Makefile.in (insn-automata.o): Add header file dependencies.
10122 * genautomata.c: Add includes.
10124 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10127 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10129 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10131 * configure.ac: Expect target tools paths to be passed from the toplevel
10132 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10134 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10136 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10139 * c.opt (Wpointer-sign): Init to -1.
10140 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10141 OPT_pedantic, to 0 otherwise.
10142 * doc/invoke.texi: Update.
10144 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10146 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10147 constants provided by 80387 instructions in the destination mode.
10149 2006-01-26 Richard Guenther <rguenther@suse.de>
10150 Andrew Pinski <pinskia@physics.uc.edu>
10153 partial PR tree-opt/17064
10154 * tree-ssa-structalias.c (intra_create_variable_infos):
10155 Create heap variables for incoming parameters if
10156 flag_argument_noalias > 1.
10157 (find_what_p_points_to): Look through default defs of
10160 2006-01-26 Jeff Law <law@redhat.com>
10163 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10164 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10165 within the VR_RANGE, use the VR_RANGE as the result, not the
10167 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10168 bounds for the type.
10170 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10172 * tree-ssa-alias.c (maybe_create_global_var): Change
10173 subvar walking to an assertion that we don't have subvar'd variables.
10175 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10178 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10179 Use a new variable, inner. PARM_DECLs are always non-weak.
10181 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10183 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10184 --disable-checking.
10186 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10188 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10190 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10192 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10193 (smax_insn, smin_insn, smax_0, smin_0): New.
10195 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10198 * config/cris/cris.c (cris_order_for_addsi3): New function.
10199 * config/cris/cris-protos.h: Prototype it.
10200 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10201 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10202 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10203 (split for "op.S1 [rx=rx+i],ry (swapped)")
10204 (split for "op(s|u).S1 [rx=rx+i],ry")
10205 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10206 Apply cris_order_for_addsi3 when generating addsi3 insns.
10208 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10210 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10211 (TREE_BLOCK): Add call to EXPR_CHECK.
10213 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10216 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10217 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10218 (dump_omp_clauses): ... here.
10219 (dump_generic_node): Handle OMP_CLAUSE.
10220 * tree.c (omp_clause_num_ops): New.
10221 (omp_clause_code_name): New.
10222 (tree_code_size): Handle OMP_CLAUSE.
10223 (tree_size): Likewise.
10224 (make_node): Document handling of OMP_CLAUSE.
10225 (tree_node_structure): Handle OMP_CLAUSE.
10226 (omp_clause_check_failed): New.
10227 (omp_clause_range_check_failed): New.
10228 (omp_clause_operand_check_failed): New.
10229 (build_omp_clause): New.
10230 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10231 * tree.h (enum omp_clause_code): Declare.
10232 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10233 (OMP_CLAUSE_RANGE_CHECK): Define.
10234 (OMP_CLAUSE_ELT_CHECK): Define.
10235 (omp_clause_check_failed): Declare.
10236 (omp_clause_operand_check_failed): Declare.
10237 (omp_clause_range_check_failed): Declare.
10238 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10239 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10240 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10241 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10242 (OMP_CLAUSE_IF_EXPR): Likewise.
10243 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10244 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10245 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10246 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10247 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10248 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10249 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10250 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10251 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10252 (OMP_CLAUSE_CODE): Define.
10253 (OMP_CLAUSE_SET_CODE): Define.
10254 (OMP_CLAUSE_CODE): Define.
10255 (OMP_CLAUSE_OPERAND): Define.
10256 (struct tree_omp_clause): Declare.
10257 (union tree_node): Add field 'omp_clause'.
10258 * treestruct.def (TS_OMP_CLAUSE): Define.
10259 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10260 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10261 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10262 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10263 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10264 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10265 (OMP_CLAUSE): Define.
10266 * print-tree.c (print_node): Handle OMP_CLAUSE.
10267 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10268 * c-typeck.c: Likewise.
10269 * gimplify.c: Likewise.
10270 * c-omp.c: Likewise.
10271 * tree-nested.c: Likewise.
10272 * tree-inline.c: Likewise.
10273 * c-parser.c: Likewise.
10274 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10277 2006-01-25 Roger Sayle <roger@eyesopen.com>
10279 PR rtl-optimization/25703
10280 * combine.c (try_combine): Handle zero_extract and strict_low_part
10281 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10283 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10285 * global.c: Fix comment typos.
10287 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10290 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10291 Use output_addr_const instead of assemble_name.
10293 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10295 * Makefile.in (sched-vis.o): Update dependencies.
10296 * haifa-sched.c (sched_finish): Clear current_sched_info.
10297 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10298 (dump_flow_info): Call it.
10299 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10301 * basic-block.h (dump_bb_info): Declare.
10302 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10303 option, and apply options only for dump files whose TDF_RTL,
10304 TDF_TREE, or TDF_IPA bits match.
10305 * rtl.h: Declare new functions exported from sched-vis.c.
10306 * sched-vis.c: Enable also if scheduling is not used.
10307 (print_value): Print the mode of registers if not inside scheduling.
10308 (print_insn): Make it work outside the scheduler. Beautify the output
10310 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10312 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10314 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10315 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10316 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10317 depending on the value of CONSTANT_POOL_ADDRESS_P.
10318 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10320 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10321 rather than SYMBOL_REF_DECL.
10322 (rtx_constant_pool): Remove const_rtx_sym_htab.
10323 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10324 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10325 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10326 Remove handling of const_rtx_sym_htab.
10327 (find_pool_constant): Delete.
10328 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10329 rather than find_pool_constant.
10330 (get_pool_constant_for_function): Delete.
10331 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10332 find_pool_constant.
10333 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10334 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10335 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10336 (SYMBOL_REF_CONSTANT): New macro.
10337 (get_pool_constant_for_function): Delete.
10338 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10339 rather than SYMBOL_REF_DECL.
10340 (i386_pe_mark_dllimport): Likewise.
10341 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10342 rather than SYMBOL_REF_DECL.
10343 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10344 (machopic_indirect_call_target): Likewise.
10346 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10348 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10350 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10352 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10354 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10356 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10358 2006-01-24 David Daney <ddaney@avtrex.com>
10361 * configure.ac (enable_tls): New enable option.
10362 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10363 * configure: Regenerate.
10364 * doc/install.texi (--enable-tls): Document new option.
10365 (--disable-tls): Ditto.
10367 2006-01-24 Richard Henderson <rth@redehat.com>
10369 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10370 * alias.c (true_dependence): Respect it.
10371 (canon_true_dependence, write_dependence_p): Likewise.
10372 * builtins.c (get_builtin_sync_mem): Set it.
10374 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10376 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10379 2006-01-24 DJ Delorie <dj@redhat.com>
10381 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10382 for storing constants in single-bit bitfields.
10384 2006-01-25 Ben Elliston <bje@au.ibm.com>
10386 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10388 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10391 * tree-ssa-pre.c (phi_translate): Return NULL
10392 for AGGREGATE_TYPE's.
10394 2006-01-24 Zack Weinberg <zackw@panix.com>
10396 * genautomata.c (process_state_for_insn_equiv_partition):
10397 Use xcalloc for insn_arcs_array.
10398 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10399 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10401 2006-01-24 Richard Henderson <rth@redhat.com>
10403 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10404 update all callers.
10406 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10408 PR rtl-optimization/25890
10409 PR rtl-optimization/25905
10410 * combine.c (expand_compound_operation, expand_field_assignment):
10411 Fail if the bitfield's final position is out of bounds.
10413 2006-01-24 Ian Lance Taylor <ian@airs.com>
10415 PR middle-end/25930
10416 * cgraphunit.c (cgraph_output_in_order): Don't clear
10417 cgraph_asm_nodes until after asm strings have been output.
10419 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10421 * fix-header.c (read_scan_file): Add new parameter imultilib when
10422 calling register_include_chains.
10424 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10426 * omp-low.c: Update documentation.
10428 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10429 Daniel Berlin <dberlin@dberlin.org>
10433 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10434 return from the function.
10436 2006-01-22 Zack Weinberg <zackw@panix.com>
10438 * rtl.def (match_code): Add second argument.
10439 * genpreds.c (write_extract_subexp): New function.
10440 (write_match_code): Add path argument. Use write_extract_subexp.
10441 (write_predicate_expr): Pass path to write_match_code.
10442 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10443 not perform a mode test.
10444 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10445 a subexpression does not constrain the top-level code set.
10446 * read-rtl.c (read_rtx_variadic): New function.
10447 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10448 * doc/md.texi: Document new notation.
10449 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10450 (cmpsi_operand): ... here, using new notation.
10452 2006-01-22 Zack Weinberg <zackw@panix.com>
10454 * varray.c: Remove GENERATOR_FILE #ifdefs.
10456 2006-01-22 Zack Weinberg <zackw@panix.com>
10458 * genautomata.c (output_reserved_units_table): Emit nothing if
10459 description->query_units_num is zero. Remove extra blank line.
10460 (output_cpu_unit_reservation_p): Short circuit
10461 if description->query_units_num is zero.
10463 2006-01-22 Zack Weinberg <zackw@panix.com>
10465 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10466 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10467 nor any of the random handful of variables that used to be necessary
10468 when this program was linked with rtlanal.o. Prune set of forward
10469 function declarations.
10470 (struct attr_desc): Remove static_p field.
10471 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10472 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10473 (attr_string): Do not read the character one past the length of
10475 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10476 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10477 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10478 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10479 (make_automaton_attrs): New.
10480 (main): Do not call into genautomata. Call local gen_bypass
10481 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10482 Remove special case for insn_alts.
10483 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10484 varray.h (leftover from previous change). Prune set of forward
10485 function declarations. Remove state_alts fields from all
10486 structures. Remove state_alts_table from struct automaton.
10487 Make everything except main static. Do not maintain num_dfa_decls.
10488 Do not maintain state_alts fields of various structures.
10489 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10490 (add_arc): Remove state_alts argument. All callers updated.
10491 (output_reserved_units_table): Emit #ifdef here...
10492 (output_tables): ...not here. Don't generate state_alts tables.
10493 (expand_automata): Don't generate attributes.
10494 (write_automata): Don't generate state_alts functions.
10495 (main): New function.
10496 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10497 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10498 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10499 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10500 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10501 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10502 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10503 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10505 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10506 * genattrtab.h: Delete file.
10507 * Makefile.in (OBJS-common): Add insn-automata.o.
10508 (insn-automata.o): New rule.
10509 (simple_generated_c): Add insn-automata.c.
10510 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10511 (genprogmd): Add automata.
10512 (build/genattrtab): Needs no extra objects nor libraries.
10513 (build/genautomata): Needs build/vec.o and -lm.
10515 2006-01-22 Zack Weinberg <zackw@panix.com>
10517 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10518 (output_dfa_max_issue_rate, locked_states_num): Delete.
10519 (struct automaton): Add locked_states field.
10520 (output_dead_lock_vect): Save number of locked states in
10521 automaton->locked_states. If it is zero, don't print anything.
10522 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10523 (output_internal_dead_lock_func): Only test the dead_lock_vect
10524 for automata that have locked states.
10525 (output_statistics): Always print the number of locked states for
10526 each automaton. Calculate total number of locked states here.
10527 (write_automata): Don't call output_dfa_max_issue_rate.
10528 * genattrtab.c: Define length_unit_log as a const variable.
10529 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10530 max_insn_queue_index const.
10531 * final.c (length_unit_log): Declare const.
10532 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10534 2006-01-22 Zack Weinberg <zackw@panix.com>
10536 * genautomata.c: Include vec.h, not varray.h.
10537 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10538 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10539 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10540 VEC_* macros operating on appropriately typed vectors, or to
10541 malloced arrays when the size is known in advance. Const-ify
10542 many char* variables and function arguments. No functional changes.
10543 * Makefile.in (build/varray.o): Delete rule.
10544 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10545 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10547 2006-01-22 Zack Weinberg <zackw@panix.com>
10549 * gensupport.c: Define get_insn_name and record_insn_name here.
10550 (read_md_rtx): Call record_insn_name as appropriate.
10551 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10552 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10553 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10555 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10556 (BUILD_VARRAY): Delete.
10557 (genprognormal): Rename genprogmd. Fold in all programs from
10558 genprognoprint; also attrtab.
10559 (build/genattrtab): Just mention genautomata.o and varray.o.
10560 Reorganize a bit, add comments to make the categories clearer.
10562 2006-01-22 Zack Weinberg <zackw@panix.com>
10564 * genconditions.c (condition_table, add_condition): Delete.
10565 (write_conditions): Don't emit n_insn_conditions nor
10566 insn_elision_unavailable. Issue the gcc version #ifdef here,
10567 inside the table, with no #else clause ...
10568 (write_header): ...not here.
10569 (write_writer): New function.
10570 (main): Don't initialize condition_table. Use add_c_test.
10572 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10573 files on the command line.
10574 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10575 Return -1 if there is no entry in the table, don't abort.
10576 (add_c_test, traverse_c_tests): New functions.
10577 * gensupport.h (insn_elision_unavailable, insn_conditions)
10578 (n_insn_conditions): Delete declarations.
10579 (add_c_test, traverse_c_tests): Declare.
10580 * read-rtl.c: Include gensupport.h.
10581 (read_conditions): New function.
10582 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10583 (read_rtx_1): If we get EOF when we were looking for an initial
10584 open paren, return 0. Call read_conditions when appropriate.
10585 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10586 dummy-conditions.o. Eliminate references to insn-conditions.o,
10587 or change them to build/gencondmd.o, as appropriate. Remove
10588 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10589 from $(simple_generated_c). For all files remaining in those
10590 two lists, add insn-conditions.md to the generator command line.
10591 Give insn-constants.h/s-constants their own rules. Add rules
10592 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10593 (build/read-rtl.o): Depend on gensupport.h.
10594 (genprognormal): Include preds.
10595 (genprogearly): Rename genprognoprint; only difference is now that
10596 they don't link with $(BUILD_PRINT).
10597 * dummy-conditions.c: Delete.
10599 2006-01-22 Zack Weinberg <zackw@panix.com>
10601 * genextract.c: Don't include insn-config.h. Do include vec.h.
10602 Declare vectors of int, char, and locstr.
10603 (locstr): New typedef.
10604 (struct extraction): Make all array fields into bare pointers.
10605 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10606 (insn_code_number): Delete.
10607 (accum_extract): New struct.
10608 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10609 (gen_insn): Take insn_code_number as an argument. Use an
10610 accum_extract structure instead of loading data directly into
10611 a struct extraction, and having to know how big it might get.
10612 (walk_rtx): Operate entirely on an accum_extract structure.
10613 (print_path): Avoid unnecessary use of printf.
10614 (print_header): New function, split out of main. Distinguish
10615 more carefully between an unrecognizable insn and an insn that
10616 has the code number of a define_expand.
10617 (main): Pass insn_code_number to gen_insn. Call print_header
10618 only after parsing. Avoid unnecessary use of printf.
10619 * Makefile.in (build/vec.o): New rule.
10620 (build/genextract): Depend on build/vec.o.
10621 (build/genextract.o): Don't depend on insn-config.h.
10623 2006-01-22 Zack Weinberg <zackw@panix.com>
10625 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10626 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10627 practical. Eliminate per-generator-program link rules.
10629 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10631 PR middle-end/24437
10632 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10633 with a call expr to ...
10634 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10636 2006-01-23 Richard Guenther <rguenther@suse.de>
10638 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10639 before make_edge with conditional EDGE_TRUE_VALUE.
10641 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10642 Jan Hubicka <jh@suse.cz>
10643 Richard Guenther <rguenther@suse.de>
10645 PR rtl-optimization/25654
10646 * cfgexpand.c (aggregate_contains_union_type): New function.
10647 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10648 for structure variables that contain a union type.
10650 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10652 * gengtype.c (new_structure): Return the structure.
10653 (create_option): Add an extra "next" argument.
10654 (create_field): New function.
10655 (adjust_field_rtx_def): Use create_option and create_field.
10656 Remove a now-unnecessary call to find_structure.
10657 (adjust_field_tree_def): Likewise.
10658 (note_yacc_type): Remove an unnecessary call to find_structure.
10659 * gengtype.h (new_structure): Return the structure.
10660 (create_option): Add an extra argument.
10661 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10662 (option): Adjust calls to create_option.
10664 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10666 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10668 2006-01-22 Paul Brook <paul@codesourcery.com>
10669 Peter Barada <peter@the-baradas.com>
10671 * config/m68k/m68k.md: Add Coldfire FPU support.
10672 Define FP mode macro and associated attributes.
10673 Use it for float mode patterns.
10674 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10675 (LIBCALL_VALUE): Use m68k_libcall_value.
10676 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10677 (m68k_function_value): Ditto.
10678 (emit_move_sequence): Ditto.
10679 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10680 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10681 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10682 (MULTILIB_EXCEPTIONS): Ditto.
10683 * config/m68k/m68k.opt: Add mcfv4e.
10684 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10685 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10686 (m68k_output_function_prologue): Save ColdFire FPU registers.
10687 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10688 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10689 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10690 ColdFire FPU registers.
10691 (m68k_libcall_value, m68k_function_value): New functions.
10692 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10693 (LIBCALL_VALUE): Use m68k_libcall_value.
10694 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10695 (MASK_COLDFIRE): Add MASK_CFV4E.
10696 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10697 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10698 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10699 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10700 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10701 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10702 * doc/invoke.tex: Document -mcfv4e on m68k.
10704 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10706 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10709 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10712 * c-opts.c (c_common_handle_option): Don't include
10713 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10714 * doc/invoke.texi (C++ Dialect Options): Document that
10715 -Wnon-virtual-dtor is no longer included in -Wall.
10717 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10719 * gcov.c (print_version), gcov-dump.c (print_version),
10720 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10723 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10725 * df-scan.c (problem_SCAN): Added NULL reset function.
10726 (df_scan_reset_blocks): Added code to call reset block function
10727 (df_bb_refs_delete) Fixed comment.
10728 (df_insn_refs_delete): Made tolerant of deleting non existent info
10729 for dataflow problems that need to be reset.
10730 * df-core.c (df_set_blocks): Ditto.
10731 * df.h (struct df_problem): Added reset_fun.
10732 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10733 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10734 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10735 functions to clear out all references to def-use or use-def chains.
10737 2006-01-21 Ben Elliston <bje@au.ibm.com>
10739 * varasm.c (assemble_real): Initialise data array.
10741 2006-01-20 Paul Brook <paul@codesourcery.com>
10743 Merge from csl-arm-branch.
10744 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10745 * config/arm/arm.md (movdi): Force operands[1] to a register
10746 if we have a non-register source.
10747 (*arm_movdi, *movdf_soft_insn): Require that one of the
10748 operands be a register.
10749 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10750 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10752 2006-01-20 DJ Delorie <dj@redhat.com>
10754 * varasm.c (initializer_constant_valid_p): Allow pointers
10755 initialized from integer constants of lesser precision.
10756 (output_constant): Allow non-int-sized pointer modes to be
10757 initialized from integer constants.
10759 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10762 * cppdefault.h (struct default_include): Add multilib flag.
10763 * cppdefault.c (cpp_include_defaults): Set it.
10764 * c.opt (-imultilib): New option.
10765 * c-opts.c (imultilib): New.
10766 (c_common_handle_option): Handle -imultilib.
10767 (c_common_post_options): Likewise.
10768 * c-incpath.c (add_standard_paths, register_include_chains):
10770 * c-incpath.h (register_include_chains): Add extra parameter.
10771 * gcc.c (do_spec_1): Generate -imultilib option.
10772 (The Specs Language): Update %I description.
10773 (process_command): Update copyright notice.
10774 * doc/cppopts.texi (-imultilib): Document.
10775 * doc/invoke.texi (-imultilib): Include in option summary.
10776 (%I): Update specs documentation.
10778 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10780 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10782 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10784 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10787 2006-01-20 Richard Guenther <rguenther@suse.de>
10788 Steven Bosscher <stevenb.gcc@gmail.com>
10790 PR rtl-optimization/24626
10791 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10792 EDGE_TRUE_VALUE if in RTL mode.
10795 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10796 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10798 2006-01-20 Dirk Mueller <dmueller@suse.com>
10801 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10802 instead of a special NOP marker.
10803 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10804 NOP marker handling.
10805 * c-common.h (empty_body_warning): Add forward declaration.
10806 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10807 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10809 2006-01-20 Paul Brook <paul@codesourcery.com>
10811 * Makefile.in (lang_checks): Keep going if mkdir fails.
10813 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10815 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10816 be able to clean out basic block when not necessary.
10817 (df_scan_free): Fixed to properly delete information if df is
10818 unused before calling df_finish.
10819 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10820 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10822 (df_bb_refs_delete): New function.
10823 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10824 * df-core.c (df_set_blocks): Added code to properly clean out
10825 unused blocks if they are not part of the blocks to consider.
10826 Added additional null check.
10827 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10828 be able to clean out basic block when not necessary
10829 * df.h (df_free_bb_function): Ditto.
10830 (df_bb_refs_delete): New function.
10831 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10832 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10833 basic block parameter to be able to clean out basic block when not
10835 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10836 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10837 Fixed to properly delete information if df is unused before
10840 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10842 PR rtl-optimization/25799
10843 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10844 Corrected confluence operator to remove bits from op2 before oring
10845 with op1 rather than removing bits from op1.
10846 (df_ru_transfer_function): Corrected test on wrong bitmap which
10847 caused infinite loop. Both of these problems were introduced in
10848 the dataflow rewrite.
10850 2006-01-19 DJ Delorie <dj@redhat.com>
10852 * reload1.c (find_reload_regs): Note the details of reload
10853 failures in the dump file.
10854 (spill_failure): Likewise.
10856 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10858 * loop-iv.c: Include df.h and hashtab.h.
10859 (enum iv_grd_result): New enum.
10860 (DF_REF_IV, DF_REF_IV_SET): New macros.
10861 (struct biv_entry): New.
10862 (df, bivs): New global variables.
10863 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10864 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10866 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10867 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10868 analyzed_for_bivness_p, record_biv): New functions.
10869 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10870 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10871 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10873 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10875 (iv_number_of_iterations): Use new interface to iv analysis.
10876 * loop-unroll.c: Do not include varray.h.
10877 (analyze_iv_to_split_insn): Use new interface to iv
10879 * loop-unswitch.c (may_unswitch_on): Ditto.
10880 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10882 (df_bb_modify): Realloc tables to the new index.
10883 (df_find_use): New function.
10884 * df.h (df_find_use): Declare.
10885 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10887 * cfgloop.h (struct rtx_iv): Remove analysed field.
10888 (iv_get_reaching_def): Removed.
10889 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10890 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10891 (loop-iv.o): Add df.h and hashtab.h dependency.
10892 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10894 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10897 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10899 (__floatundisf, __floatundidf): Likewise.
10900 * libgcc2.h (IS_IBM_EXTENDED): Define.
10902 2006-01-19 DJ Delorie <dj@redhat.com>
10904 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10906 2006-01-19 Paul Brook <paul@codesourcery.com>
10908 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10909 as nothrow when unwinding tables are disabled.
10911 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10914 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10915 of bit-field" when in system header.
10917 2006-01-19 DJ Delorie <dj@redhat.com>
10919 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10920 the 16 bit shift limit of the m16c.
10922 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10925 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10926 * config/i386/i386.c (output_set_got): Output the label if we have one
10927 for the TARGET_DEEP_BRANCH_PREDICTION case.
10929 2006-01-19 Jan Hubicka <jh@suse.cz>
10930 H.J. Lu <hongjiu.lu@intel.com>
10931 Evandro Menezes <evandro.menezes@amd.com>
10933 * invoke.texi (generic): Document
10935 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10936 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10937 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10938 (x86_use_incdec, x86_pad_returns): New variables
10939 (TARGET_CPU_DEFAULT_generic): New constant
10940 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10941 (enum processor_type): Add generic32 and generic64.
10942 * i386.md (cpu attribute): Add generic32/generic64
10943 (movhi splitter): Behave sanely when both partial_reg_dependency and
10944 partial_reg_stall are set.
10945 (K8 splitters): Enable for generic as well.
10946 * predicates.md (incdec_operand): Use TARGET_INCDEC
10947 (aligned_operand): Avoid memory mismatch stalls.
10948 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10949 * ppro.md: Enable for generic32
10950 * i386.c (generic64_cost, generic32_cost): New.
10951 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10952 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10953 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10954 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10955 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10956 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10957 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10958 x86_accumulate_outgoing_args, x86_prologue_using_move,
10959 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10960 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10961 Enable for generic.
10962 (x86_use_incdec, x86_pad_returns): New.
10963 (override_options): Add generic32 and generic64, translate "generic"
10964 to generic32/generic64 and "i686" to "generic32", refuse
10965 "generic32"/"generic64" as arch target.
10966 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10967 (ix86_reorg): Honor PAD_RETURNS.
10969 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10971 * tree-pretty-print.c (dump_generic_node): Handle
10972 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10973 * cgraph.c (cgraph_expand_queue): Rename from
10974 cgraph_analyze_queue. Update all users.
10975 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10976 cgraph_expand_queue.
10977 (cgraph_expand_all_functions): Likewise.
10978 (cgraph_finalize_pending_functions): Remove. Update callers.
10980 * tree.h (OMP_DIRECTIVE_P): Define.
10981 (OMP_PARALLEL_FN): Define.
10982 (OMP_PARALLEL_DATA_ARG): Define.
10983 (OMP_SECTIONS_SECTIONS): Define.
10984 * tree-pass.h (pass_expand_omp): Declare.
10985 * omp-low.c (struct omp_region): Declare.
10986 (struct omp_context): Remove fields 'parallel_type',
10987 'parallel_start_ix' and 'parallel_start_additional_args'.
10989 (struct omp_for_data): Rename from struct expand_omp_for_data.
10990 (omp_regions): New static variable.
10991 (root_omp_region): New static variable.
10992 (find_omp_clause): Make static.
10993 (is_in_combined_parallel_ctx): Remove.
10994 (is_combined_parallel): New.
10995 (extract_omp_for_data): Move earlier in the file.
10996 (workshare_safe_to_combine_p): New.
10997 (get_ws_args_for): New.
10998 (determine_parallel_type): Move earlier in the file.
10999 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11001 (omp_copy_decl): Likewise.
11002 (create_omp_child_function): Likewise.
11003 (lookup_omp_region): New.
11004 (dump_omp_region): New.
11005 (debug_omp_region): New.
11006 (debug_all_omp_regions): New.
11007 (new_omp_region): New.
11008 (scan_omp_parallel): If parallel_nesting_level > 1, the
11009 directive is nested within another parallel directive.
11010 Set OMP_PARALLEL_FN.
11011 (scan_omp_for): Do not try to handle combined parallel+for
11013 Remove FIXME comment.
11014 (scan_omp_nested): Remove.
11015 (scan_omp_1): Do not call scan_omp_nested when
11016 parallel_nesting_level is > 1.
11017 Do not change the DECL_CONTEXT of local variables found.
11018 (lookup_decl_in_outer_ctx): New.
11019 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11020 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11021 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11022 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11023 If CTX is nested, lookup VAR in the outer context when
11024 building copy assignment.
11025 (lower_send_clauses): Rename from expand_send_clauses.
11026 If CTX is nested, lookup VAR in the outer context when
11027 building copy assignments.
11028 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11029 If CTX is nested, lookup VAR in the outer context when
11030 building copy assignments.
11031 (expand_parallel_call): Rename from build_parallel_call.
11032 Handle combined parallel+workshare cases.
11033 Re-implement to emit code into the CFG.
11035 (expand_omp_parallel): Re-implement to emit code into the CFG.
11036 Call move_sese_region_to_fn to outline the sub-graph
11037 containing the parallel region.
11038 (expand_omp_for_1): Remove.
11039 (expand_omp_for_generic): Re-implement to emit code into the
11041 (expand_omp_for_static_nochunk): Likewise.
11042 (expand_omp_for_static_chunk): Likewise.
11043 (expand_omp_for): Likewise.
11044 (expand_omp_sections): Likewise.
11045 (remove_exit_barriers): New.
11046 (expand_omp_synch): New.
11048 (build_omp_regions_1): New.
11049 (build_omp_regions): New.
11050 (execute_expand_omp): New.
11051 (gate_expand_omp): New.
11052 (pass_expand_omp): Define.
11053 (lower_omp_sections): Rename from expand_omp_sections.
11054 Set OMP_SECTIONS_SECTIONS.
11055 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11056 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11057 (lower_omp_single): Rename from expand_omp_simple.
11058 (lower_omp_master): Rename from expand_omp_master.
11059 (lower_omp_ordered): Rename from expand_omp_ordered.
11060 (lower_omp_critical): Rename from expand_omp_critical.
11061 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11062 (lower_omp_for): Re-implement.
11063 (lower_omp_parallel): Re-implement.
11064 (lower_regimplify): Rename from expand_regimplify.
11065 (lower_omp_1): Rename from expand_omp_1.
11066 If there are syntax errors in the program, replace every
11067 OpenMP directive with NOP.
11068 Call lower_omp_* instead of expand_omp_*.
11069 (lower_omp): Rename from expand_omp.
11071 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11072 * tree-gimple.h (enum omp_parallel_type): Remove.
11073 (gimple_boolify): Declare extern.
11074 (find_omp_clause, determine_parallel_type): Remove.
11076 * gimple-low.c (lower_omp_directive): New.
11077 (lower_stmt): Call it.
11078 (record_vars_into): Move from ...
11079 (record_vars): ... here.
11080 Call record_vars_into with current_function_decl.
11082 * gimplify.c (struct gimplify_ctx): Remove fields
11083 combined_pre_p and combined_ctxp. Update users.
11084 (get_formal_tmp_var): Add documentation.
11085 (gimple_boolify): Make extern.
11086 (gimplify_expr_in_ctx): Remove. Update callers.
11087 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11088 will always be a BIND_EXPR.
11089 (gimplify_expr): Handle OMP_RETURN_EXPR.
11090 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11091 (OMP_PARALLEL): Add 3 operands.
11092 (OMP_SECTIONS): Add 1 operand.
11093 (OMP_RETURN_EXPR): Define.
11095 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11096 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11097 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11098 creating a circular free list.
11099 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11101 * tree-flow.h (move_sese_region_to_fn): Declare.
11102 (record_vars_into): Declare.
11103 * tree-cfg.c (make_omp_sections_edges): New.
11104 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11105 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11106 OMP_SECTIONS and OMP_SECTION.
11107 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11108 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11109 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11110 (gather_blocks_in_sese_region): New.
11111 (struct move_stmt_d): Declare.
11112 (move_stmt_r): New.
11113 (move_block_to_fn): New.
11114 (move_sese_region_to_fn): New.
11116 * passes.c (init_optimization_passes): Schedule
11117 pass_expand_omp after pass_init_datastructures.
11119 * tree-ssa-operands.c (get_expr_operands): Handle
11120 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11121 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11123 2006-01-19 Jeff Law <law@redhat.com>
11125 * tree-vrp.c (extract_range_from_assert): Refine the result range
11126 if the variable referenced by the ASSERT_EXPR has a range and
11127 either the tentative result range or the previous range is a
11130 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11132 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11134 2006-01-19 Jan Hubicka <jh@suse.cz>
11136 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11138 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11140 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11141 (expand_compound_operation, expand_field_assignment): Fail if the
11142 bit lengths of an extract operation are out of range.
11143 (make_extraction): Compute wanted_inner_mode based on the position
11144 and length of the extraction. Make it extraction_mode for non-constant
11145 positions, and do not modify offset in that case. When generating a
11146 new MEM, use a mode that can hold the extraction while keeping correct
11147 alignment. Remove code that supported MEMs wrapped by USEs.
11148 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11150 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11152 * config/s390/s390.md ("Y", "y"): New mode attribute.
11153 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11154 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11155 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11156 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11157 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11158 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11159 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11160 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11161 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11162 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11163 "addsi3", "subsi3"): Insn patterns removed.
11164 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11165 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11166 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11167 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11168 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11169 "*sub<mode>3_cconly2"): New insn patterns.
11170 ("addsi3", "subsi3"): New expanders.
11172 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11174 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11175 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11176 existing STMT_VINFO_VECTYPE if available.
11177 (vect_mark_relevant): Add special handling for stmts that are
11178 marked as STMT_VINFO_IN_PATTERN_P.
11179 (vect_analyze_loop): Call vect_pattern_recog.
11180 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11181 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11183 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11184 (vect_recog_func_ptr): New function-pointer type.
11185 * tree-vect-patterns.c: New file.
11186 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11187 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11188 (vect_pattern_recog_1): New functions.
11189 (vect_pattern_recog_funcs): New array of function pointers.
11191 * tree-vectorizer.h (ternary_op): New enum value.
11192 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11193 declaration. Revised documentation. Removed redundant dump prints.
11194 Removed redundant argument. Added support for reduction patterns.
11195 (vectorizable_reduction): Added support for reduction patterns.
11196 (vect_transform_stmt): Added support for patterns.
11198 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11199 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11200 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11201 (expand_widen_pattern_expr): New function.
11202 (init_optabs): Initialize new optabs udot_prod_optab,
11204 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11205 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11206 (expand_widen_pattern_expr): New function declaration.
11207 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11209 * tree-inline.c (estimate_num_insns_1): Added cases for new
11210 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11211 * tree-pretty-print.c (dump_generic_node): Likewise.
11212 (op_prio): Likewise.
11213 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11214 * tree-ssa-operands.c (get_expr_operands): Added case for
11216 * tree-vect-patterns.c (widened_name_p): New function.
11217 (vect_recog_dot_prod_pattern): Added function implementation.
11218 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11219 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11220 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11221 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11223 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11224 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11225 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11226 (init_optabs): Initialize new optabs widen_ssum_optab,
11228 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11229 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11230 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11231 use instead of type of def.
11232 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11233 function implementation.
11234 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11235 widen_ssumv8hi): New.
11237 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11240 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11243 * c-decl.c (add_flexible_array_elts_to_size): New function.
11244 (finish_decl): Use it.
11246 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11248 * diagnostic.h: Include options.h.
11249 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11250 dependancies for diagnostic.h.
11251 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11253 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11255 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11256 (ssa_ro_call_cache_valid): Ditto.
11257 * tree-ssa-alias.c (sort_tags_by_id): New function.
11258 (init_transitive_clobber_worklist): Ditto.
11259 (add_to_worklist): Ditto.
11260 (mark_aliases_call_clobbered): Ditto.
11261 (compute_tag_properties): Ditto.
11262 (set_initial_properties): Ditto.
11263 (compute_call_clobbered): Ditto.
11264 (compute_may_aliases): Call compute_call_clobbered and grouping.
11265 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11266 (compute_flow_insensitive_aliasing): Grouping now happens in our
11268 (setup_pointers_and_addressables): Remove clobbering related code.
11269 (add_may_alias): Ditto.
11270 (replace_may_alias): Ditto.
11271 (get_nmt_for): Ditto.
11272 (create_global_var):
11273 (is_escape_site): Return an escape_type enumeration.
11274 * tree-flow-inline.h (is_call_clobbered): Global var does not
11275 imply call clobbered.
11276 (mark_call_clobbered): Take a reason for marking this. Remove
11277 marking of globalness, and cache invalidation.
11278 (clear_call_clobbered): Remove cache invalidation code.
11279 * tree-dfa.c (dump_variable): If details is on, dump the reason
11281 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11283 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11284 (struct var_ann_d): Ditto.
11285 (enum escape_type): New.
11286 (mark_call_clobbered): Adjust prototype.
11287 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11288 are never call clobbered.
11289 Record reasons for escaping.
11290 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11291 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11292 (ssa_ro_call_cache_valid): Ditto.
11293 (clobbered_v_may_defs): Ditto.
11294 (clobbered_vuses): Ditto.
11295 (ro_call_vuses): Ditto.
11296 (clobber_stats): New.
11297 (init_ssa_operands): Zero out clobber stats.
11298 (fini_ssa_operands): Print out clobber stats.
11299 (get_call_expr_operands): Pass callee fndecl to
11300 add_call_read_ops).
11301 (add_call_clobber_ops): Remove use of cache.
11302 Add use of PURE_CONST information.
11303 (add_call_read_ops): Remove use of cache.
11304 Add use of static not_read information.
11306 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11308 Introduce TLS descriptors for i386 and x86_64.
11309 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11310 (TARGET_ANY_GNU_TLS): New macro.
11311 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11312 (struct machine_function): Add tls_descriptor_call_expanded_p.
11313 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11314 (ix86_current_function_calls_tls_descriptor): Likewise.
11315 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11316 (override_options): Introduce gnu2 tls dialect.
11317 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11319 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11321 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11322 (ix86_init_machine_status): Initialize new field.
11323 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11324 (ix86_tls_module_base): New.
11325 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11326 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11327 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11328 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11329 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11330 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11331 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11332 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11333 * config/i386/predicates.md (tls_modbase_operand): New.
11334 (tp_or_register_operand): New.
11336 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11338 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11339 (look_for_address_of): Ditto.
11340 (ipa_init): Walk the function decls.
11341 (static_execute): Don't set readonly on FUNCTION_DECL's.
11343 2006-01-18 Roger Sayle <roger@eyesopen.com>
11345 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11346 for shifts where the source and destination registers are different.
11348 2006-01-18 Paul Brook <paul@codesourcery.com>
11350 Merge from csl-arm-branch.
11351 2005-03-14 Julian Brown <julian@codesourcery.com>
11352 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11353 (aeabi_llsl): Likewise.
11354 (ashrdi3): Likewise.
11355 (aeabi_lasr): Likewise.
11356 (lshrdi3): Likewise.
11357 (aeabi_llsr): Likewise.
11358 2005-03-10 Julian Brown <julian@codesourcery.com>
11359 * config.gcc: Disable shared libgcc for SymbianOS.
11360 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11362 2006-01-18 DJ Delorie <dj@redhat.com>
11364 * c-pragma.c (handle_pragma_diagnostic): New.
11365 (init_pragma): Register it.
11366 * doc/extend.texi: Document it.
11368 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11369 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11370 (diagnostic_context): Add classify_diagnostic[].
11371 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11372 as errors if they're overridden to DK_WARNING.
11373 (diagnostic_initialize): Initialize classify_diagnostic[].
11374 (diagnostic_set_kind_override): New.
11375 (diagnostic_report_diagnostic): Check for kind changes.
11376 * opts.c (common_handle_option): Take lang_mask. Update callers.
11377 Handle OPT_Werror_.
11378 * common.opt (Werror=): New.
11379 * doc/invoke.texi: Document -Werror=*
11381 2006-01-18 Jeff Law <law@redhat.com>
11383 * tree-vrp.c (test_for_singularity): Correct test for new
11384 min limit. Use operand_equal_p rather than pointer equality
11385 for testing if new min/max values are equal.
11387 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11388 using range information until after propagation and folding.
11390 2006-01-18 Richard Henderson <rth@redhat.com>
11391 Aldy Hernandez <aldyh@redhat.com>
11392 Jakub Jelinek <jakub@redhat.com>
11393 Diego Novillo <dnovillo@redhat.com>
11395 * omp-low.c: New file.
11396 * c-omp.c: New file.
11398 2006-01-18 Richard Henderson <rth@redhat.com>
11399 Jakub Jelinek <jakub@redhat.com>
11400 Diego Novillo <dnovillo@redhat.com>
11402 * doc/invoke.texi: Document -fopenmp.
11403 * tree-dump.h (debug_function): Declare.
11404 * hooks.c (hook_bool_tree_bool_false): New function.
11405 (hook_tree_tree_null): Remove.
11406 (hook_tree_tree_tree_null): New.
11407 * hooks.h: Update to match.
11408 * tree-pretty-print.c (debug_tree_chain): New.
11409 (print_generic_expr): Handle TDF_CHAIN.
11410 (dump_generic_node): Handle BLOCK.
11411 Do not abort with incomplete SWITCH_EXPRs.
11412 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11413 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11414 print space after directive name.
11415 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11416 Handle OMP_MASTER and OMP_ORDERED.
11417 Handle printing of OMP_BODY just in one place, goto
11418 dump_omp_body in the rest of OMP_* nodes that have
11420 Don't handle clause nodes here. Update omp statements to
11421 use dump_omp_clauses.
11422 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11423 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11424 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11425 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11426 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11427 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11428 Adjust output for GOMP_PARALLEL.
11429 (dump_omp_clauses): New.
11430 (print_declaration): Dump DECL_VALUE_EXPR.
11431 (op_symbol_1): Split out of op_symbol.
11432 (dumping_stmts): Remove. Update all users.
11433 * cgraph.c (cgraph_analyze_queue): New.
11434 (cgraph_add_new_function): New.
11435 * cgraph.h (cgraph_analyze_queue): Declare.
11436 (cgraph_add_new_function): Declare.
11437 (cgraph_lower_function): Remove.
11438 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11439 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11440 and TYPE_P nodes in its default clause.
11441 (empty_body_p): New.
11442 (tree_range_check_failed): New.
11443 (build5_stat): New.
11444 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11445 OMP_CLAUSE_REDUCTION_MERGE,
11446 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11447 OMP_CLAUSE_PRIVATE_DEBUG,
11448 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11449 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11450 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11451 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11452 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11453 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11454 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11455 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11456 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11457 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11458 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11459 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11460 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11461 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11462 (TREE_RANGE_CHECK): New.
11463 (empty_body_p): Declare.
11464 (enum omp_clause_default_kind): New.
11465 (build_string_literal): Declare.
11466 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11467 (build5_stat, build5): Declare.
11468 * tree-pass.h (TDF_CHAIN): Define.
11469 * tree-pass.h (PROP_gimple_lomp): Define.
11470 (pass_lower_omp): Declare.
11471 * diagnostic.h (debug_tree_chain): Declare.
11472 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11474 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11475 * builtins.c (build_string_literal): Make extern.
11476 * gcc.c (include_spec_function): New.
11477 (static_spec_functions): Add it.
11478 (main): Move load of libgomp.spec ...
11479 (LINK_COMMAND_SPEC): ... here.
11480 (link_gomp_spec): New.
11481 (static_specs): Include it.
11482 (LINK_COMMAND_SPEC): Add link_gomp.
11483 (GOMP_SELF_SPECS): New.
11484 (driver_self_specs): Include it.
11485 (switch_matches): Don't mark inline.
11486 (main): Load libgomp.spec.
11487 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11488 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11489 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11490 * tree-gimple.h (enum omp_parallel): Declare.
11491 (determine_parallel_type): Declare.
11492 (omp_firstprivatize_variable): Declare.
11493 (omp_reduction_init): Declare.
11494 (diagnose_omp_structured_block_errors): Declare.
11495 (struct walk_stmt_info): Add want_return_expr.
11496 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11497 (find_omp_clause): Declare.
11498 (insert_field_into_struct): Declare.
11499 (struct walk_stmt_info): Move from tree-nested.c
11500 (walk_stmts): Declare.
11501 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11503 * cgraphunit.c (cgraph_lower_function): Make static.
11504 (cgraph_finalize_pending_functions): New.
11505 (cgraph_finalize_function): Call it.
11506 (cgraph_finalize_compilation_unit): Likewise.
11507 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11508 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11509 (BT_FN_UINT_UINT): New.
11510 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11511 DEF_FUNCTION_TYPE_VAR_4): Document.
11512 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11513 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11514 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11515 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11516 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11517 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11518 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11519 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11520 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11521 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11522 into separate files.
11523 (DEF_GOMP_BUILTIN): New.
11524 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11525 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11526 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11527 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11528 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11529 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11530 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11531 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11532 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11533 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11534 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11535 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11536 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11537 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11538 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11539 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11540 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11541 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11542 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11543 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11544 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11545 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11546 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11547 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11548 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11549 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11550 * sync-builtins.def: New file, moved from builtins.def.
11551 * omp-builtins.def: New file, moved from builtins.def.
11552 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11553 * gimple-low.c (lower_function_body): Clear data.
11554 (lower_stmt): Do not handle COMPOUND_EXPR.
11555 Remove call to print_node_brief.
11556 * c-tree.h (c_finish_omp_clauses): New prototype.
11557 (C_DECL_THREADPRIVATE_P): Define.
11558 (lookup_name_no_remap, c_omp_remap_private): Remove
11559 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11560 (check_for_loop_decls): Update decl.
11561 (lookup_name_no_remap, c_omp_remap_private): Declare.
11562 (build_indirect_ref, build_modify_expr, pushdecl,
11563 pushdecl_top_level): Move to c-common.h.
11564 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11565 before the switch, but just in the 2 places that need it.
11566 * c-decl.c (diagnose_mismatched_decls): Do not check for
11567 mismatched thread-local attributes when OLDDECL is marked
11568 threadprivate and NEWDECL has no thread-local attributes.
11569 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11570 (c_gimple_diagnostics_recursively): Rename from
11571 c_warn_unused_result_recursively. Invoke
11572 diagnose_omp_structured_block_errors.
11573 (check_for_loop_decls): Return a singular decl found.
11574 * langhooks.c (lhd_omp_predetermined_sharing): Return
11575 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11576 (lhd_omp_firstprivatize_type_sizes): New.
11577 (lhd_omp_assignment): New.
11578 (lhd_omp_predetermined_sharing): New.
11579 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11580 (struct lang_hooks_for_types): Add
11581 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11582 omp_predetermined_sharing, omp_disregard_value_expr,
11583 omp_private_debug_clause, omp_clause_default_ctor,
11584 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11585 (c_finish_omp_clauses): New.
11586 (c_finish_bc_stmt): Diagnose break within omp for.
11587 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11588 (build_unary_op): Return error_mark after reporting
11590 (build_modify_expr): Likewise.
11591 * gimplify.c: Include optabs.h and pointer-set.h.
11592 (enum gimplify_omp_var_data): Declare.
11593 (struct gimplify_omp_ctx): Declare.
11594 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11596 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11597 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11598 (splay_tree_compare_decl_uid): New.
11599 (new_omp_context): New.
11600 (delete_omp_context): New.
11601 (gimple_add_tmp_var): Call omp_add_variable.
11602 (gimplify_bind_expr): Likewise.
11603 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11604 true, disregard DECL_VALUE_EXPR on the decl if any.
11605 (gimplify_expr_in_ctx): New.
11606 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11607 omp_add_variable, omp_notice_variable, omp_is_private
11608 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11609 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11610 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11611 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11612 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11613 gimplify_omp_atomic): New.
11614 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11615 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11616 OMP_CRITICAL and OMP_ATOMIC.
11617 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11618 * c-pragma.h (enum pragma_kind): Add
11619 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11620 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11621 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11622 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11623 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11624 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11625 PRAGMA_OMP_THREADPRIVATE.
11626 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11627 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11628 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11629 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11630 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11631 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11632 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11633 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11634 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11635 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11636 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11637 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11638 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11640 (struct nesting_info): Add field_map,
11641 suppress_expansion, debug_var_chain.
11642 (create_nesting_tree): Initialize them.
11643 (lookup_field_for_decl): Use field_map.
11644 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11645 (convert_local_omp_clauses): New.
11646 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11647 (walk_body): Split out of walk_function.
11648 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11649 (convert_nonlocal_reference): Handle omp statements.
11650 (convert_local_reference): Likewise.
11651 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11652 (unnest_nesting_tree): New.
11653 (lower_nested_functions): Call it.
11654 (insert_field_into_struct): Make extern.
11655 (struct walk_stmt_info): Move to tree-gimple.h.
11656 (walk_stmts): Make extern.
11657 * omp-builtins.def: New file.
11658 * tree-iterator.c (expr_only): Clarify comment.
11659 * c-common.h (pushdecl_top_level, pushdecl,
11660 build_modify_expr, build_indirect_ref,
11661 c_finish_omp_master, c_finish_omp_critical,
11662 c_finish_omp_ordered, c_finish_omp_barrier,
11663 c_finish_omp_atomic, c_finish_omp_flush,
11664 c_finish_omp_for, c_split_parallel_clauses,
11665 omp_clause_default_kind, c_omp_sharing_predetermined,
11666 c_omp_remap_decl): Declare.
11667 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11668 (OBJS-common): Add omp-low.o.
11669 (c-omp.o, omp-low.o): Add.
11670 (gimplify.o): Add dependency on $(OPTABS_H).
11671 (GTFILES): Add omp-low.c.
11672 (gt-stringpool.h): Add.
11673 * tree-cfg.c (set_bb_for_stmt): Do not update the
11674 block-to-labels map if we are currently expanding to RTL.
11675 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11677 Handle IDENTIFIER_NODE.
11678 (tree_verify_flow_info): Do not ICE when emitting error
11679 messages about invalid labels.
11680 (dump_function_to_file): Reset CFUN before emitting the body
11682 (debug_function): New.
11683 * passes.c (init_optimization_passes): Schedule
11685 * langhooks-def.h (lhd_omp_predetermined_sharing,
11686 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11688 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11689 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11690 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11691 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11692 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11693 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11694 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11695 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11696 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11697 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11698 (LANG_HOOK_DECLS): Use them.
11700 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11701 Richard Henderson <rth@redhat.com>
11702 Jakub Jelinek <jakub@redhat.com>
11703 Diego Novillo <dnovillo@redhat.com>
11705 * c-parser.c (pragma_omp_clause): Define.
11706 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11707 (c_parser_compound_statement): Likewise.
11708 (c_parser_statement): Likewise.
11709 (c_parser_pragma): Handle omp pragmas.
11710 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11711 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11712 (c_parser_omp_clause_name, check_no_duplicate_clause,
11713 c_parser_omp_variable_list,
11714 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11715 c_parser_omp_clause_copyprivate,
11716 c_parser_omp_clause_default,
11717 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11718 c_parser_omp_clause_lastprivate,
11719 c_parser_omp_clause_nowait,
11720 c_parser_omp_clause_num_threads,
11721 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11722 c_parser_omp_clause_reduction,
11723 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11724 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11725 c_parser_omp_atomic, c_parser_omp_barrier,
11726 c_parser_omp_critical, c_parser_omp_flush,
11727 c_parser_omp_for_loop, c_parser_omp_for,
11728 c_parser_omp_master, c_parser_omp_ordered,
11729 c_parser_omp_sections_scope, c_parser_omp_sections,
11730 c_parser_omp_parallel, c_parser_omp_single,
11731 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11732 * c-pragma.c (init_pragma): Do omp pragma registration here.
11733 * c.opt (fopenmp): New flag.
11735 2006-01-18 Eric Christopher <echristo@apple.com>
11737 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11738 * config/darwin.h (GOMP_SELF_SPECS): Define.
11740 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11742 * rtl.h: Remove the prototype for reg_alloc.
11744 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11747 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11748 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11749 sjlj and dwarf2 exception handling.
11750 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11751 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11752 * pa/pa.c (function_value): Treat complex and vector types as
11754 (function_arg): Likewise. Only pass scalar floats in the floating
11755 point argument registers.
11756 * pa/t-slibgcc-dwarf-ver: New file.
11757 * pa/t-slibgcc-sjlj-ver: New file.
11758 * pa/t-slibgcc-elf-ver: Delete file.
11760 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11762 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11763 unlikely_test_section_p test.
11765 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11767 * mode-switching.c (optimize_mode_switching): Make it static.
11768 * basic-block.h: Remove the prototype for
11769 optimize_mode_switching.
11771 * modulo-sched.c (sms_schedule): Make it static.
11772 * rtl.h: Remove the prototype for sms_schedule.
11774 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11775 * rtl.h: Remove the prototype for gcse_after_reload_main.
11777 * reg-stack.c (reg_to_stack): Make it static.
11778 * rtl.h: Remove the prototype for reg_to_stack.
11780 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11782 * rtl.h: Remove the prototypes for regrename_optimize and
11783 copyprop_hardreg_forward.
11785 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11787 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11788 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11789 Test against the appropriate null constant for the mode.
11790 If 'fixup_overlap' is true, swap the operands if they overlap.
11791 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11792 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11793 alpha_split_tmode_pair and adjust for above change.
11794 * config/alpha/alpha.md (movtf_internal): Adjust call to
11795 alpha_split_tfmode_pair and rely on it to swap the operands.
11796 (movti_internal): New insn and post-reload splitter.
11797 (movti): New expander.
11799 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11801 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11804 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11806 * rtlanal.c (global_reg_mentioned_p_1,
11807 global_reg_mentioned_p): Remove.
11808 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11810 * flow.c (initialize_uninitialized_subregs): Make it static.
11811 * rtl.h: Remove the prototype for
11812 initialize_uninitialized_subregs.
11814 * function.c (instantiate_virtual_regs): Make it static.
11815 * function.h: Remove the prototype for
11816 instantiate_virtual_regs.
11818 * regmove.c (regmove_optimize, combine_stack_adjustments):
11820 * rtl.h: Remove the prototypes for regmove_optimize and
11821 combine_stack_adjustments.
11823 2006-01-17 Roger Sayle <roger@eyesopen.com>
11825 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11826 (size_cost): Encode costs in bytes so that a reg-reg addition is
11827 equivalent to COSTS_N_INSNS(1).
11828 (override_options): Use the size_cost.branch_cost as the default
11829 ix86_branch_cost when optimizing for size.
11831 2006-01-18 Ben Elliston <bje@au.ibm.com>
11833 * Makefile.in (D32PBIT_FUNCS): New.
11834 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11835 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11836 D64PBIT_FUNCS and D128PBIT_FUNCS.
11837 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11838 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11840 (decnumber_dep): Define.
11841 * doc/libgcc.texi (Decimal float library routines): New node.
11842 * config/dfp-bit.h, config/dfp-bit.c: New files.
11844 2006-01-18 Ben Elliston <bje@au.ibm.com>
11846 * expr.c (emit_move_change_mode): Always adjust addresses, not
11847 just during reload. Copy replacements only during reload.
11848 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11849 emit_move_via_integer.
11851 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11853 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11854 instead of $(srcdir) and ${srcdir}.
11856 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11859 PR middle-end/11135
11860 * arm.h (struct machine_function): Add pic_reg.
11861 * arm.c (arm_pic_register): Make unsigned.
11862 (arm_override_options): Only set arm_pic_register if
11863 TARGET_SINGLE_PIC_BASE.
11864 (use_return_insn): Only test for a pic register if it is fixed.
11865 (arm_compute_save_reg0_reg12_mask): Likewise.
11866 (thumb_compute_save_reg_mask): Likewise.
11867 (legitimate_pic_operand): Factor out some known invariants.
11868 (legitimize_pic_address): If we don't have a fixed pic register,
11869 then set up a pseudo in the function entry sequence. Handle the
11870 pic base being in a pseudo.
11871 (arm_load_pic_register): Handle the pic register being in a pseudo.
11872 (arm_expand_prologue): Only set up the pic register if it is fixed.
11873 (thumb_expand_prologue): Likewise.
11874 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11875 (pic_load_addr_based_insn): Likewise.
11876 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11879 2006-01-18 Ben Elliston <bje@au.ibm.com>
11881 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11882 decimal float modes for all floating point registers.
11884 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11885 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11887 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11890 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11891 even when the pointer is not NULL.
11893 2006-01-16 Ian Lance Taylor <ian@airs.com>
11895 * common.opt (ftoplevel-reorder): New option.
11896 * cgraph.c (cgraph_asm_nodes): New global variable.
11897 (cgraph_asm_last_node): New static variable.
11898 (cgraph_order): New global variable.
11899 (cgraph_create_node): Set new order field.
11900 (cgraph_varpool_node): Likewise.
11901 (decide_is_variable_needed): Return true if not
11902 flag_toplevel_reorder.
11903 (cgraph_add_asm_node): New function.
11904 * cgraph.h (struct cgraph_node): Add order field.
11905 (struct cgraph_varpool_node): Add order field.
11906 (struct cgraph_asm_node): Define.
11907 (cgraph_asm_nodes, cgraph_order): Declare.
11908 (cgraph_add_asm_node): Declare.
11909 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11911 (cgraph_varpool_assemble_pending_decls): Call it.
11912 (cgraph_output_pending_asms): New static function.
11913 (cgraph_finalize_compilation_unit): Call it.
11914 (struct cgraph_order_sort): Define.
11915 (cgraph_output_in_order): New static function.
11916 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11917 !flag_toplevel_reorder case.
11918 * c-parser.c: Include "cgraph.h".
11919 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11921 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11922 than -fno-unit-at-a-time.
11923 * doc/invoke.texi (Option Summary): Mention
11924 -fno-toplevel-reorder.
11925 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11926 -funit-at-a-time documentation.
11928 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11929 Kazu Hirata <kazu@codesourcery.com>
11931 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11933 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11935 * Makefile.in (FUNCTION_H): New. Use it instead of
11936 function.h throughout the file.
11937 * function.h: Include tree.h.
11939 2006-01-17 Ben Elliston <bje@au.ibm.com>
11941 * recog.c: Separate some functions with whitespace.
11943 2006-01-16 Richard Henderson <rth@redhat.com>
11945 Merge from gomp branch:
11946 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11947 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11948 and rename from struct inline_data. Rename callee* to dst*;
11949 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11950 transform_new_cfg, transform_return_to_modify, and
11951 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11953 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11954 (copy_decl_for_dup): Remove.
11955 * tree-inline.c (struct inline_data): Move to header.
11956 (insert_decl_map): Export.
11957 (remap_decl): Update for member name changes. Use copy_decl hook.
11958 Allow for replacement to be a non-decl. Remove dead code.
11959 (remap_type_1): Check for existing mapping.
11960 (remap_type): Export.
11961 (remap_decls): Update for member name changes.
11962 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11963 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11964 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11965 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11966 (tree_function_versioning, build_duplicate_type): Likewise.
11967 (copy_body_r): Likewise. Export.
11968 (copy_decl_for_dup): Split into ...
11969 (copy_decl_for_dup_finish, copy_decl_to_var,
11970 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11971 (replace_ref_tree, inlining_p): Remove.
11973 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11975 * ifcvt.c (if_convert): Make it static.
11976 * rtl.h: Remove the prototype for if_convert.
11978 * local-alloc.c (local_alloc): Make it static.
11979 * rtl.h: Remove the prototype for local_alloc.
11981 * loop.c (loop_optimize): Make it static.
11982 * cfgloop.h: Remove the prototype for loop_optimize.
11985 2006-01-16 DJ Delorie <dj@redhat.com>
11987 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11990 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11992 * pa.md: Disparage copies between general and floating-point registers
11993 in 32-bit move patterns.
11995 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11998 * Makefile.in (check-%): Depend on site.exp instead of
11999 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12002 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12004 * global.c (global_alloc): Make it static.
12005 * rtl.h: Remove the prototype for global_alloc.
12007 2006-01-16 Richard Guenther <rguenther@suse.de>
12009 * tree-ssa-alias.c (struct used_part): Add write_only field.
12010 (get_or_create_used_part_for): Initialize it to true.
12011 (create_overlap_variables_for): Don't create structure variables
12012 for structures that only are written to.
12013 (find_used_portions): Handle MODIFY_EXPR to track whether a
12014 structure is only written to.
12016 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12018 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12020 * basic-block.h: Remove the prototype for
12021 partition_hot_cold_basic_blocks.
12023 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12025 * cppspec.c (lang_specific_spec_functions): Remove.
12026 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12027 * gcc.h (lang_specific_spec_functions): Remove.
12028 * gccspec.c (lang_specific_spec_functions): Remove.
12030 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12032 * combine.c (record_value_for_reg): Invalidate registers
12034 (record_dead_and_set_regs_1): Likewise, by passing them to
12035 record_value_for_reg.
12036 (record_dead_and_set_regs): Invalidate stores made by a
12037 call. We do not combine across a call, but we still
12038 relied on equivalences.
12040 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12042 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12043 vrp_int_const_binop returning non-constant nodes.
12045 2006-01-16 Paul Brook <paul@codesourcery.com>
12047 * config/m68k/m68k.c (output_move_const_into_data_reg):
12048 Output correct mnemonic for mvz and mvs.
12050 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12052 * rtl-factoring.c: Add sequence abstraction algorithm.
12053 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12054 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12056 (block_has_preserve_label): New function.
12057 * common.opt: Register new pass.
12058 * Makefile.in: Ditto.
12060 * timevar.def: Ditto.
12061 * tree-pass.h: Ditto.
12062 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12063 * rtl.h (make_jump_insn_raw): Add forward decl.
12064 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12066 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12067 Roger Sayle <roger@eyesopen.com>
12069 * fold-const.c (fold_minmax): New static function.
12070 (fold_binary) <MIN_EXPR>: Call it.
12071 <MAX_EXPR>: Likewise.
12072 * stor-layout.c (place_field): Use DECL_SIZE consistently
12073 in the computation of the new record size.
12075 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12077 * cse.c (cse_condition_code_reg): Make it static.
12078 * rtl.h: Remove the prototype for cse_condition_code_reg.
12080 * combine.c (combine_instructions): Make it static.
12081 * rtl.h: Remove the prototype for combine_instructions.
12083 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12086 * tree.c (get_file_function_name_long): Concatenate the first global
12087 object name with a string derived from the input filename of the object
12090 2006-01-16 Ben Elliston <bje@au.ibm.com>
12092 * config/i386/winnt-stubs.c: Update FSF address.
12093 * config/xtensa/ieee754-df.S: Ditto.
12094 * config/xtensa/ieee754-sf.S: Ditto.
12096 2006-01-14 Ian Lance Taylor <ian@airs.com>
12098 * ifcvt.c (noce_init_if_info): New static function, broken out of
12099 noce_process_if_block.
12100 (noce_process_if_block): Call noce_init_if_info.
12101 (check_cond_move_block): New static function.
12102 (cond_move_process_if_block): New static function.
12103 (process_if_block): Call cond_move_process_if_block.
12105 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12107 * cselib.c (hash_table): Rename to cselib_hash_table.
12108 (cselib_clear_table, discard_useless_values,
12109 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12110 cselib_init, cselib_finish): Adjust uses of hash_table.
12112 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12114 PR tree-optimization/25485
12115 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12116 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12117 is known to be false and true, respectively.
12119 2006-01-14 Richard Guenther <rguenther@suse.de>
12121 PR tree-optimization/22548
12122 PR tree-optimization/22555
12123 PR tree-optimization/22501
12124 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12125 * params.def (salias-max-array-elements): New parameter.
12126 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12127 * doc/invoke.texi (salias-max-array-elements): Document.
12128 * tree-flow-inline.h (var_can_have_subvars): We also handle
12130 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12132 * tree-ssa-structalias.c (params.h): Include.
12133 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12134 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12135 (get_constraint_for): For ADDR_EXPR operating on something
12136 containing an ARRAY_REF, add all subvars to the solution.
12137 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12138 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12139 for creating MUST_DEFs.
12140 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12142 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12144 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12146 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12147 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12148 number_of_iterations_le): New functions.
12149 (number_of_iterations_special): Removed.
12150 (number_of_iterations_exit): Do not use number_of_iterations_special.
12151 * tree.c (unsigned_type_for): Always return integer type.
12153 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12154 Richard Guenther <rguenther@suse.de>
12156 PR rtl-optimization/24257
12157 * gcse.c (find_moveable_store): Only consider a store movable
12158 when the SET_SRC of the insn can be assigned to a register.
12160 2006-01-14 Ian Lance Taylor <ian@airs.com>
12162 * tree.c (tree_not_class_check_failed): New function.
12163 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12164 (tree_not_class_check_failed): Declare.
12166 2006-01-13 Ian Lance Taylor <ian@airs.com>
12168 * reload1.c (do_output_reload): Add assertion rejecting a
12171 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12173 * combine.c (struct reg_stat): Add new fields truncation_label and
12175 (record_value_for_reg): Reset truncated_to_mode.
12176 (record_truncated_value): New function.
12177 (check_promoted_subreg): Call it. Rename to check_conversions.
12178 (combine_instructions): Rename check_promoted_subreg to
12180 (reg_truncated_to_mode): New function.
12181 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12182 (gen_lowpart_or_truncate): New function.
12183 (force_to_mode): Use it instead of gen_lowpart.
12185 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12187 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12188 VAR is a tag, not its type tag.
12190 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12192 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12193 alternatives to match style of other entries.
12194 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12196 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12198 PR tree-optimization/25771
12199 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12202 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12205 * tree-inline.c (declare_return_variable): If the return variable
12206 was marked as a non gimple complex, set the return slot variable
12207 to be a non gimple comple variable.
12209 2006-01-13 Richard Guenther <rguenther@suse.de>
12211 * builtins.c (expand_builtin_sincos): New function.
12212 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12214 (expand_builtin): Expand sincos using expand_builtin_sincos.
12216 2006-01-12 DJ Delorie <dj@redhat.com>
12218 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12219 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12220 so that constant shifts can be split.
12221 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12222 (m32c_valid_pointer_mode): Make static.
12223 (shift_gen_func_for): New.
12224 (m32c_prepare_shift): Use it. Split large const shifts into
12226 * config/m32c/predicates.md (shiftcount_operand): Allow more
12228 (longshiftcount_operand): New.
12229 * doc/md.texi (Machine Constraints): Document In6.
12231 2006-01-13 Ben Elliston <bje@au.ibm.com>
12233 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12234 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12237 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12239 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12240 to try to avoid clobbering pieces of structures when we know
12241 something about the whole structure.
12242 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12244 2006-01-13 Ben Elliston <bje@au.ibm.com>
12246 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12247 return in memory, as this is no limitation is no longer present.
12249 2006-01-12 DJ Delorie <dj@redhat.com>
12251 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12252 mova with fb, and for fb+0 -> An.
12254 * config/m32c/mov.md (peephole2): Fix enabling logic.
12256 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12257 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12258 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12259 FINI_ARRAY_SECTION_ASM_OP): Define.
12261 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12263 (m32c_legitimize_reload_address): New logic to reload FB to An.
12264 (m32c_output_reg_push): Add newline.
12265 (m32c_output_reg_pop): Likewise.
12267 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12269 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12271 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12273 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12275 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12277 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12280 2006-01-11 Ben Elliston <bje@au.ibm.com>
12282 * rtlanal.c (find_reg_note): Assert insn is not null.
12284 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12286 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12289 2006-01-11 Jeff Law <law@redhat.com>
12291 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12293 (mark_threaded_blocks, register_jump_thread): New functions.
12294 (thread_through_all_blocks): Remove unwanted argument. No
12295 longer rely on e->aux to communicate thread target info.
12296 Call mark_threaded_blocks. Release the threaded_blocks
12297 bitmap and threaded_edges vector when complete.
12298 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12299 (threaded_blocks): Remove.
12300 (tree_ssa_dominator_optimize): Remove initialization and
12301 finalization of threaded_blocks. Simplify call to
12302 thread_through_all_blocks.
12303 (thread_across_edge): Call register_jump_thread rather than
12304 storing thread information into e->aux.
12305 (free_all_edge_infos): Simplify now that e->aux is no longer
12306 used to communicate with thread_through_all_blocks.
12307 * tree-flow.h (thread_through_all_blocks): Update prototype.
12308 (register_jump_thread): Prototype.
12310 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12312 * df-core.c (df_compact_blocks, df_bb_replace): Use
12313 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12315 2006-01-11 Richard Guenther <rguenther@suse.de>
12317 PR tree-optimization/25734
12318 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12319 stop propagation after successful propagation to the LHS.
12321 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12323 * basic-block.h (control_flow_graph): Change the type of
12324 x_basic_block_info to VEC(basic_block,gc) *.
12325 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12327 (SET_BASIC_BLOCK): New.
12328 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12329 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12330 * cfgbuild.c (find_basic_blocks): Likewise.
12331 * cfglayout.c (fixup_reorder_chain): Likewise.
12332 * cfgrtl.c (create_basic_block_structure,
12333 rtl_create_basic_block): Likewise.
12334 * ifcvt.c (find_if_case_1): Likewise.
12335 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12338 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12340 * Makefile.in: Removed rotted odf.c entry.
12342 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12345 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12346 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12347 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12348 output pattern modifier, not %e.
12349 * config/cris/cris.c (cris_op_str): Update comment about pattern
12351 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12352 before falling through into...
12353 <case 'E'>: Redefined from old 'e' case.
12355 2006-01-11 Jan Hubicka <jh@suse.cz>
12358 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12360 2006-01-11 Jan Hubicka <jh@suse.cz>
12362 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12363 * i386.c (x86_decompose_lea): Kill.
12364 (ix86_rtx_costs): Kill.
12366 2006-01-11 Jan Hubicka <jh@suse.cz>
12368 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12369 * cgraph.h (cgraph_node): Add inline_decl.
12370 (cgraph_insert_node_to_hashtable): Declare.
12371 (save_inline_function_body): Declare.
12372 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12374 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12375 (cgraph_function_versioning): Update call of tree_function_versioning.
12376 (save_inline_function_body): New function.
12377 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12378 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12379 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12380 (cgraph_default_inline_p): Likewise.
12381 (cgraph_decide_inlining_incrementally): Likewise.
12382 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12383 (copy_bb): Kill saving; do updating of clones.
12384 (copy_cfg_body): Kill saving.
12385 (initialize_inlined-parameters): Likewise.
12386 (expand_call_inline): Likewise.
12388 (tree_function_versioning): New parameter "update_clones".
12389 (inlining_p): Kill saving.
12390 * tree-inline.h (tree_function_versioning): Update prototype.
12391 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12394 2006-01-11 Ian Lance Taylor <ian@airs.com>
12396 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12397 Allow undoing set of machine mode.
12398 (do_SUBST): Use enums instead of is_int.
12399 (do_SUBST_MODE): New function.
12400 (SUBST_MODE): New macro.
12401 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12402 reg and trying to replace reg_regno_rtx with a new register.
12403 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12404 (simplify_set): Use SUBST_MODE.
12405 (distribute_notes): Remove code that tried to update reg notes
12406 for regno_reg_rtx changes.
12408 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12410 PR tree-optimization/23109
12411 PR tree-optimization/23948
12412 PR tree-optimization/24123
12414 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12415 * tree-cfg.c (single_noncomplex_succ): New.
12416 * tree-flow.h (single_noncomplex_succ): Declare it.
12417 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12418 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12419 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12420 insert_bb, register_division_in, insert_reciprocals,
12421 replace_reciprocal, free_bb): New.
12422 (execute_cse_reciprocals_1): Rewritten.
12423 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12424 Do not commit any edge insertion. Always compute dominators and
12425 create the allocation pool.
12426 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12427 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12428 * targhooks.c (default_min_divistions_for_recip_mul): New.
12429 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12430 * passes.c (init_optimization_passes): Run recip after tree loop
12432 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12434 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12435 Kenneth Zadeck <zadeck@naturalbridge.com>
12437 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12438 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12439 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12440 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12441 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12442 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12443 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12444 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12445 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12446 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12447 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12448 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12449 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12450 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12451 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12452 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12453 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12454 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12455 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12456 DF_SCAN_POST_ALLOC): New macros.
12457 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12458 df_free_bb_function, df_local_compute_function, df_init_function,
12459 df_dataflow_function, df_confluence_function_0,
12460 df_confluence_function_n, df_transfer_function,
12461 df_finalizer_function, df_free_function, df_dump_problem_function,
12462 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12463 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12464 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12465 df_urec_bb_info, ) New types.
12466 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12468 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12469 df_analyze_simple_change_some_blocks,
12470 df_analyze_simple_change_one_block, df_compact_blocks,
12471 df_bb_replace, df_bb_regno_last_use_find,
12472 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12473 df_insn_regno_def_p, df_find_def, df_find_use,
12474 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12475 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12476 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12477 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12478 debug_df_chain, df_get_dependent_problem, df_chain_create,
12479 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12480 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12481 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12482 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12483 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12484 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12485 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12486 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12487 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12488 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12489 df_reorganize_refs, df_set_state, df_hard_reg_init,
12490 df_read_modify_subreg_p) New public functions.
12491 * df-core.c: The core dataflow solver and glue routines for rtl
12493 (df_init, df_add_problem, df_set_blocks, df_finish,
12494 df_hybrid_search_forward, df_hybrid_search_backward,
12495 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12496 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12497 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12498 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12499 df_reg_defined, df_find_use, df_reg_used, df_dump,
12500 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12501 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12502 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12503 debug_df_useno, reset_df_after_reload): New functions.
12504 * df-scan.c: The scanning fuctions, once in df.c, completely
12505 rewritten so that they now fully model the functionality of
12506 register usage at the backend.
12507 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12508 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12509 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12510 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12511 df_get_artificial_defs, df_get_artificial_uses,
12512 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12513 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12514 df_refs_delete, df_reorganize_refs, df_set_state,
12515 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12516 df_def_record_1, df_defs_record, df_uses_record,
12517 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12518 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12519 df_record_exit_block_uses, df_hard_reg_init): New functions.
12521 * df-problems.c: Seven concrete dataflow problems that use the
12522 scanning in df-scan.c and are solved by the engine in df-core.c.
12523 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12524 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12525 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12526 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12527 df_ru_free_bb_info, df_ru_alloc,
12528 df_ru_bb_local_compute_process_def,
12529 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12530 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12531 df_ru_transfer_function, df_ru_free, df_ru_dump,
12532 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12533 df_rd_free_bb_info, df_rd_alloc,
12534 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12535 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12536 df_rd_transfer_function, df_rd_free, df_rd_dump,
12537 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12538 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12539 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12540 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12541 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12542 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12543 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12544 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12545 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12546 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12547 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12548 df_urec_mark_reg_use_for_earlyclobber,
12549 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12550 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12551 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12552 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12553 df_chain_create_bb_process_use, df_chain_create_bb,
12554 df_chain_finalize, df_chain_free, df_chains_dump,
12555 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12556 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12557 df_reg_lifetime): New functions.
12558 * df.c: Deleted file.
12559 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12560 consistent with new df api.
12561 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12562 rest_of_handle_sms): Ditto.
12563 * web.c (unionfind_union, union_defs, entry_register, web_main):
12565 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12566 invariant_expr_equal_p, find_defs, check_dependencies,
12567 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12568 free_inv_motion_data, move_loop_invariants): Ditto.
12569 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12570 Update dependencies.
12571 (odf.c): Added defective entry that was deleted later in day.
12572 * sched-deps.c (sched_analyze_1): Ditto.
12574 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12576 * tree-ssa-operands.c (get_expr_operands): Record addressable
12577 variables directly. Do not call add_stmt_operands for CONST_DECLs
12579 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12580 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12582 2006-01-11 Ben Elliston <bje@au.ibm.com>
12584 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12585 function returns true in the positive case.
12587 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12590 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12591 for SI, DI, SF and DF modes. Add alternatives to copy between
12592 general and floating point registers to the 32-bit patterns.
12593 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12594 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12595 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12596 generating 64-bit code.
12597 * config/pa/pa.c (output_move_double): Handle copies between general
12598 and floating registers.
12600 2006-01-10 Stuart Hastings <stuart@apple.com>
12602 * config/i386/i386.md (set_got): Update.
12603 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12604 (builtin_setjmp_receiver): Mach-O support.
12605 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12606 (GOT_SYMBOL_NAME): Define.
12607 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12608 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12609 * config/i386/i386.c (override_options): Revise for Darwin.
12610 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12611 support. (darwin_x86_file_end): New. (output_set_got): Add label
12612 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12613 * config/i386/i386-protos.h (output_set_got): Likewise.
12614 * config/darwin.c (machopic_legitimize_pic_address): Update
12617 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12619 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12620 when MODE isn't BLKmode.
12622 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12624 PR rtl-optimization/25367
12625 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12627 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12630 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12631 for a negative bound.
12633 2006-01-10 Richard Guenther <rguenther@suse.de>
12635 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12636 Never override with anything constraint.
12638 2006-01-10 Jan Beulich <jbeulich@novell.com>
12640 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12641 256 bits when optimize_size.
12643 2006-01-10 Jan Beulich <jbeulich@novell.com>
12645 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12647 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12648 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12651 2006-01-10 Ben Elliston <bje@au.ibm.com>
12653 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12655 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12656 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12657 (USE_FP_FOR_ARG): Reject decimal float modes.
12658 (function_arg_advance): Likewise.
12659 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12660 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12661 point types in AltiVec vectors.
12662 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12663 (rs6000_libcall_value): Likewise.
12665 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12667 * config/xtensa/ieee754-df.S: New file.
12668 * config/xtensa/ieee754-sf.S: New file.
12669 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12670 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12671 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12673 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12675 * config/sh/predicates.md (binary_float_operator,
12676 binary_logical_operator, commutative_float_operator,
12677 equality_comparison_operator, greater_comparison_operator,
12678 less_comparison_operator, logical_operator,
12679 noncommutative_float_operator, shift_operator,
12680 symbol_ref_operand, unary_float_operator): Remove redundant
12683 2006-01-09 Jeff Law <law@redhat.com>
12685 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12686 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12687 now unused arguments. Callers updated.
12688 (eliminate_redundant_computations): Remove now unused arguments,
12690 (local_fold): Remove, no longer used.
12691 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12693 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12694 (simplify_cond): New function.
12695 (forward_propagate_into_cond): Call simplify_cond.
12697 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12699 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12700 (*vec_extractv2di_1_sse): New.
12702 2006-01-09 Ben Elliston <bje@au.ibm.com>
12704 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12706 2006-01-08 Richard Guenther <rguenther@suse.de>
12708 * tree-ssa-structalias.c (get_constraint_for): Remove
12709 anyoffset argument.
12710 (get_constraint_for_component_ref): Likewise.
12711 (do_deref): Likewise.
12712 (get_constraint_for): Likewise.
12713 (do_structure_copy): Likewise.
12714 (handle_ptr_arith): Likewise.
12715 (find_func_aliases): Likewise. Remove unused need_anyoffset
12718 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12719 Kaz Kojima <kkojima@gcc.gnu.org>
12721 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12722 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12723 (EXTRA_CONSTRAINT_C16): Remove.
12724 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12725 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12726 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12727 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12728 constants of SHmedia. Handle nested constant expressions of
12730 (andcosts): Fix the costs for SHmedia constants.
12731 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12732 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12733 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12734 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12735 (movv4hi_i, movv2si_i): Likewise.
12736 (movsi_const): Adjust the second operand of ior so to match with
12737 the Csu constraint.
12738 (movdi_const, movdi_const_32bit): Likewise.
12739 (movdi_const_16bit+1): Don't sign-extend LOW.
12740 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12742 (*double_shori): Fix the split condition. Use GEN_INT instead
12743 of get_int_mode calls. Mask lower 16-bit of the argument of
12745 (sym2GOTPLT): Remove.
12746 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12748 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12749 instead of EXTRA_CONSTRAINT_C16.
12751 2006-01-07 Ian Lance Taylor <ian@airs.com>
12752 David Edelsohn <edelsohn@gnu.org>
12754 PR rtl-optimization/25662
12755 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12756 for constant operands instead of simplify_gen_binary.
12757 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12758 after trying simplify_binary_operation
12760 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12762 * tree.c (iterative_hash_expr): Hash decls based on UID.
12764 2006-01-06 Eric Christopher <echristo@apple.com>
12766 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12767 (TARGET_UNWIND_EMIT): Fix spelling.
12768 * target.h (gcc_target): Add except_table_label.
12769 * except.c (output_function_exception_table): Use.
12770 * varasm.c (default_emit_except_table_label): New.
12771 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12773 (asm_out): Add here.
12774 * output.h (default_emit_except_table_label): Prototype.
12775 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12776 * config/darwin.c (darwin_emit_except_table_label): Define.
12777 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12779 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12781 PR tree-optimization/18527
12782 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12783 number_of_iterations_special, number_of_iterations_exit):
12784 Move base and step of an iv to a single structure. Add
12785 no_overflow flag, and use it in # of iterations analysis.
12786 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12787 folded_casts argument.
12788 (simple_iv): Pass base and step in a structure. Set no_overflow
12790 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12791 Evaluate expensiveness of computing # of iterations instead of
12792 the final expression.
12793 * tree-scalar-evolution.h (affine_iv): New structure.
12794 (simple_iv): Declaration changed.
12795 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12796 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12797 find_givs_in_stmt): Changed due to simple_iv change.
12799 2006-01-06 Jeff Law <law@redhat.com>
12802 * tree-cfg.c (bsi_replace): Rename final argument from
12803 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12804 change (stmt -> orig_stmt).
12805 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12806 (bsi_remove): Add new argument. Remove EH information
12808 (verify_eh_throw_table_statements): New function.
12809 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12811 * tree-optimize.c (execute_free_cfg_annotations): Verify
12812 the EH throw statement table after removing annotations.
12813 * except.h (verify_eh_throw_table_statements): Prototype.
12814 * tree-flow.h (bsi_remove): Update prototype.
12815 * tree-vrp.c (remove_range_assertions): Add new argument to
12817 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12818 * tree-complex.c (expand_complex_div_wide): Likewise.
12819 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12820 * tree-tailcall.c (eliminate_tailcall): Likewise.
12821 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12822 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12823 * tree-nrv.c (tree_nrv): Likewise.
12824 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12825 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12826 (combine_blocks): Likewise.
12827 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12828 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12829 (cleanup_control_flow): Likewise.
12830 (remove_forwarder_block): Likewise.
12831 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12832 * tree-sra.c (sra_replace): Likewise.
12833 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12834 (forward_propagate_single_use_vars): Likewise.
12835 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12836 * tree-inline.c (expand_call_inline): Likewise.
12837 * tree-vect-transform.c (vect_transform_loop): Likewise.
12838 * tree-outof-ssa.c (rewrite_trees): Likewise.
12839 * tree-cfg.c (make_goto_expr_edges): Likewise.
12840 (cleanup_dead_labels): Likewise.
12841 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12842 (bsi_move_before, bsi_move_after): Likewise.
12843 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12844 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12846 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12849 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12851 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12852 on non gimple variables. Also add checks at the top for decls and
12854 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12856 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12857 and IMAGPART_EXPR for creating MUST_DEFs.
12858 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12859 and NAME_MEMORY_TAG separately from the DECLs.
12861 2006-01-06 Richard Guenther <rguenther@suse.de>
12863 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12864 annotation, if necessary.
12865 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12866 redundant calls to update_stmt.
12867 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12870 2006-01-05 Richard Henderson <rth@redhat.com>
12872 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12874 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12876 * c-typeck.c: Update copyright date.
12878 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12880 * c-typeck.c (build_c_cast): Always warn when casting
12881 from a pointer to an integer of different size, even if
12882 the node was constant.
12884 2006-01-05 Richard Guenther <rguenther@suse.de>
12886 PR tree-optimization/22555
12887 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12888 if one structure field is an array.
12889 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12890 operands even if we found a subvar, but ignore VOPs in this
12892 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12894 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12896 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12898 PR middle-end/24998
12899 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12901 2006-01-05 Richard Guenther <rguenther@suse.de>
12902 Diego Novillo <dnovillo@redhat.com>
12904 * tree-pass.h (TODO_remove_unused_locals): Define.
12905 * gimple-low.c (expand_var_p, remove_useless_vars,
12906 pass_remove_useless_vars): Remove. Update all users.
12907 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12908 (remove_unused_locals): New function.
12909 * tree-flow.h (remove_unused_locals): Declare.
12910 * passes.c (execute_todo): Call remove_unused_locals if
12911 TODO_remove_unused_locals is set.
12912 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12913 * tree-ssa-dce.c (pass_dce): Likewise.
12914 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12916 2006-01-05 Richard Guenther <rguenther@suse.de>
12918 * tree-flow.h (struct fieldoff): Decompose field to
12919 type, size and decl.
12920 * tree-ssa-alias.c (create_sft): Take type as parameter.
12921 (create_overlap_variables_for): Store type, size and decl
12922 in the fieldoff structure.
12923 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12924 of struct fieldoff.
12925 (push_fields_onto_fieldstack): Likewise.
12926 (create_variable_info_for): Likewise. Use offset for the
12927 SFT name if the decl is not available.
12929 2006-01-04 Paul Brook <paul@codesourcery.com>
12931 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12933 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12935 * lambda-code.c (can_put_in_inner_loop): Relax
12937 (can_put_after_inner_loop): New function.
12938 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12939 (perfect_nestify): Change to make copies and modify uses.
12941 2006-01-04 Richard Henderson <rth@redhat.com>
12943 Merge from gomp branch:
12944 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12945 via integer constant.
12946 (pragma_lex): Remove.
12947 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12948 rather than parsing it.
12949 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12950 handle_pragma_extern_prefix): Add %< %> quotes.
12951 (registered_pragmas): New.
12952 (c_register_pragma_1): New.
12953 (c_register_pragma): Use it.
12954 (c_register_pragma_with_expansion): Likewise.
12955 (c_invoke_pragma_handler): New.
12956 (init_pragma): Use cpp_register_deferred_pragma directly for
12958 * c-pragma.h (enum pragma_kind): New.
12959 (pragma_handler): New.
12960 (c_invoke_pragma_handler): Declare.
12961 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12963 * c-common.h (c_common_pch_pragma): Update decl.
12964 * Makefile.in (c-parser.o): Update dependencies.
12965 (GTFILES): Add c-pragma.h.
12966 * c-parser.c (struct c_token): Add pragma_kind.
12967 (struct c_parser): Add in_pragma.
12968 (c_lex_one_token): Always initialize keyword and pragma_kind.
12969 Extract data for CPP_PRAGMA.
12970 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12971 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12972 Don't allow CPP_PRAGMA_EOL if in_pragma.
12973 (c_parser_consume_pragma): New.
12974 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12975 (c_parser_skip_to_end_of_parameter): Likewise.
12976 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12977 (c_parser_skip_to_pragma_eol): New.
12978 (c_parser_external_declaration): Handle CPP_PRAGMA.
12979 (c_parser_compound_statement_nostart): Likewise.
12980 (c_parser_statement_after_labels): Likewise.
12981 (c_parser_pragma): New.
12982 (pragma_lex): Likewise.
12983 (c_parser_pragma_pch_preprocess): New.
12984 (c_parser_new): Merge into ...
12985 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12987 2006-01-04 Jeff Law <law@redhat.com>
12990 * tree-cfg.c (bsi_replace): Remove the original statement
12991 from the EH throw statement table.
12993 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12995 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12996 make the prototype extern "C" and add throw ().
12999 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13000 and pos non-negative and pos + len <= 32.
13001 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13002 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13003 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13006 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13007 as well as sizes not multiple of component size.
13010 * function.c (instantiate_expr): New function.
13011 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13012 walk its DECL_VALUE_EXPR with instantiate_expr.
13014 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13015 DW_OP_deref{,_size} if address isn't going to be added.
13017 2006-01-04 Ben Elliston <bje@au.ibm.com>
13019 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13020 * config/fp-bit.c: Likewise.
13022 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13024 * dominance.c: Add comment about why we use DFS numbering
13027 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13028 Richard Henderson <rth@redhat.com>
13030 Merge from gomp-branch:
13031 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13032 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13034 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13036 PR rtl-optimization/25578
13037 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13038 pass a parameter to simplify_shift_const if changing ASHIFTRT
13041 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13043 * builtins.c (get_builtin_sync_mem): New function.
13044 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13045 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13046 Call get_builtin_sync_mem to generate mem rtx.
13048 2006-01-03 Richard Guenther <rguenther@suse.de>
13051 * stmt.c (add_case_node): Make sure to clear overflow flags
13054 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13056 Merge from gomp-branch.
13057 * config/sparc/sync.md: New file.
13058 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13059 UNSPECV_LDSTUB): New constants.
13060 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13061 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13062 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13065 2006-01-03 Roger Sayle <roger@eyesopen.com>
13067 * combine.c (reg_subword_p): New predicate to test whether the
13068 destination of a set refers to a subword/piece of a register.
13069 (try_combine): Generalize the code to merge the setting of a
13070 pseudo to a constant followed by a set of a subword of that
13071 register to a constant.
13073 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13075 * basic-block.h (control_flow_graph): Change the type of
13076 x_label_to_block_map to VEC(basic_block,gc) *.
13077 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13078 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13080 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13081 VEC(basic_block,heap) *.
13082 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13083 ssa_prop_fini): Adjust the uses of cfg_blocks.
13085 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13087 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13089 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13090 hashing trees instead of a pointer hash.
13091 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13092 compare for MEM_EXPR.
13094 PR rtl-optimization/25130
13095 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13096 when comparing MEMs for GCSE
13098 2006-01-03 Ben Elliston <bje@au.ibm.com>
13100 * targhooks.h (default_decimal_float_supported_p): Declare.
13101 * targhooks.c (default_decimal_float_supported_p): Define.
13102 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13103 `default_decimal_float_supported_p'.
13104 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13106 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13108 * combine.c (apply_distributive_law <SUBREG>): Check
13109 TRULY_NOOP_TRUNCATION.
13111 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13113 * dwarf2out.c (have_switched_text_section): Delete.
13114 (have_multiple_function_sections): New.
13115 (have_location_lists): Make 'bool'.
13116 (add_AT_loc_list): Use 'true' not '1'.
13117 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13118 (output_loc_list): Use have_multiple_function_sections.
13119 (output_ranges): Likewise.
13120 (dwarf2out_begin_function): Set have_multiple_function_sections if
13122 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13123 Check function_section rather than DECL_SECTION_NAME.
13124 (dwarf2out_finish): Use have_multiple_function_sections.
13125 Don't clear have_location_lists.
13127 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13128 Jan Hubicka <jh@suse.cz>
13130 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13131 case of conditional jump jumping to the next instruction.
13132 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13133 cases of conditional jump jumping to the next instruction.
13135 2006-01-02 Jan Hubicka <jh@suse.cz>
13137 * i386.c (*_cost): Add COSTS_N_INSNS.
13138 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13140 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13143 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13145 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13147 * config/arm/arm.c (all_fpus): Fix comment typo.
13148 * config/darwin.c: Likewise.
13149 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13150 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13151 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13153 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13155 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13156 (rs6000_split_compare_and_swapqhi): New.
13157 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13158 (sync_compare_and_swapqhi_internal): New.
13159 * config/rs6000/rs6000-protos.h: Declare.