1 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4 * stor-layout.c (place_field): Take the bit field with
5 an excessive size into account in the ms-bitfiled case.
8 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
9 the previous bit field.
11 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
14 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
16 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
18 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
19 signal frames correctly even when the signal was installed with
22 2006-07-14 Carlos O'Donell <carlos@codesoucery.com>
25 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
26 (dbxout_function_end): Use local label LFBB. Remove hook DBX_OUTPUT_NFUN.
27 (dbxout_source_line): Use local label LFBB.
28 (dbxout_block): Likewise.
29 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
30 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
31 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
34 2006-07-13 Janis Johnson <janis187@us.ibm.com>
36 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
38 2006-07-13 Jan Hubicka <jh@suse.cz>
40 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
42 * output.h (align_variable): Declare.
43 * varasm.c (align_variable): Export.
44 * value-prof.c (tree_value_profile_transformations): Recompute iterator
45 when basic block changed.
47 2006-07-13 Nick Clifton <nickc@redhat.com>
49 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
50 walking the LOG_LINKS chain.
52 2006-07-12 Geoffrey Keating <geoffk@apple.com>
54 * doc/invoke.texi (C++ Dialect Options): Explain difference
55 between -fvisibility-inlines-hidden and setting hidden
56 visibility explicitly.
58 2006-07-12 Eric Christopher <echristo@apple.com>
60 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
61 (stmp-lipo): Depend on libgcc.a.
63 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
65 * tree.c: Fix a comment typo.
67 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
69 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
71 (umulhisi3_r): Likewise.
73 2006-07-12 Paolo Carlini <pcarlini@suse.de>
76 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
77 x < 19, vs wchar_t support.
79 2006-07-12 Nick Clifton <nickc@redhat.com>
81 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
84 2006-07-12 Mike Stump <mrs@apple.com>
86 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
88 2006-07-10 Eric Christopher <echristo@apple.com>
90 * config/t-slibgcc-darwin: Rewrite.
92 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
95 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
98 2006-07-08 Matthias Klose <doko@debian.org>
100 * doc/sourcebuild.texi: Fix typo.
102 2006-07-07 Mike Stump <mrs@apple.com>
104 * toplev.c (process_options): Don't give -ffunction-sections may
105 affect debugging warning for Mach-O.
107 2006-07-07 James E Wilson <wilson@specifix.com>
109 * config/mips/mips.md (cpu): Add sb1a.
110 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
111 addition to sb1. Adjust comments to clarify SB-1A differences from
113 (ir_sb1a_load): New. Modify bypasses to use it.
114 (ir_sb1a_simple_alu): Likewise.
115 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
116 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
117 (mips_issue_rate): Add PROCESSOR_SB1A.
118 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
119 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
120 (TARGET_SB1): Add PROCESSOR_SB1A check.
121 (TUNE_SB1): Likewise.
123 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
124 * config/mips/mips.c (mips_store_data_bypass_p): New.
125 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
128 2006-07-08 Paul Brook <paul@codesourcery.com>
131 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
133 2006-07-07 Richard Guenther <rguenther@suse.de>
136 * tree.h (build_one_cst): Declare.
137 * tree.c (build_one_cst): New function.
138 * tree-ssa-math-opts.c (get_constant_one): Remove.
139 (insert_reciprocals): Use build_one_cst.
140 * fold-const.c (fold_plusminus_mult): Likewise.
142 2006-07-07 Roger Sayle <roger@eyesopen.com>
144 * pointer-set.c (pointer_set_destroy): Correct whitespace.
145 * cfgloopanal.c (dump_graph): Likewise.
146 * dojump.c (discard_pending_stack_adjust): Likewise.
147 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
149 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
150 * function.c (finalize_block_changes): Likewise.
151 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
152 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
153 * rtl.c (dump_rtx_statistics): Likewise.
154 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
156 * varray.c (dump_varray_statistics): Likewise.
157 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
158 decode_decimal64, encode_decimal128, decode_decimal128,
159 decimal_real_to_decimal): Likewise.
161 2006-07-07 Richard Guenther <rguenther@suse.de>
163 PR tree-optimization/28187
164 * tree-vrp.c (vrp_operand_equal_p): New function.
165 (vrp_bitmap_equal_p): Likewise.
166 (update_value_range): Use them to compare old and new
169 2006-07-06 Roger Sayle <roger@eyesopen.com>
171 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
172 a default case to switch statement to silence compiler warnings.
174 2006-07-06 Roger Sayle <roger@eyesopen.com>
177 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
178 the configured assembler supports the x87's ffreep mnemonic.
179 * configure: Regenerate.
180 * config.in: Regenerate.
182 * config/i386/i386.c (output_387_ffreep): New function.
183 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
184 (output_387_reg_move): Likewise.
186 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
188 Port to hosts whose 'sort' and 'tail' implementations
189 treat operands with leading '+' as file names, as POSIX
190 has required since 2001. However, make sure the code still
191 works on pre-POSIX hosts.
192 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
193 which says you should use "tail -c +N" rather than "tail +Nc".
194 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
196 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
198 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
201 2006-07-06 David Edelsohn <edelsohn@gnu.org>
204 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
205 PRE_{INC,DEC} of TFmode.
207 2006-07-06 David Edelsohn <edelsohn@gnu.org>
208 Alan Modra <amodra@bigpond.net.au>
211 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
214 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
217 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
218 Remove duplicate gtu.
220 2006-07-05 Jason Merrill <jason@redhat.com>
224 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
225 * c-common.c (handle_packed_attribute): So don't copy it here.
226 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
228 2006-07-05 Mike Stump <mrs@apple.com>
230 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
232 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
235 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
237 2006-07-05 Richard Guenther <rguenther@suse.de>
240 * config/i386/i386.md (*negdf2_1): Restrict pattern to
241 TARGET_SSE2 targets if using SSE math.
242 (*absdf2_1): Likewise.
244 2006-07-05 Richard Guenther <rguenther@suse.de>
246 PR tree-optimization/28162
247 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
248 make sure to convert the operands to the correct type.
250 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
252 PR tree-optimization/28218
254 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
255 to calculate and free the dominator information.
257 2006-07-04 Peter O'Gorman <peter@pogma.com>
259 * mklibgcc.in: chmod 644 before ranlib during install.
261 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
262 J"orn Rennecke <joern.rennecke@st.com>
264 * configure.ac (.eh_frame data check): Use diff -b.
266 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
269 * Makefile.in (BUILD_RTL): Add build/vec.o.
270 (build/gencondmd.o): Filter out -fkeep-inline-functions.
271 (build/genextract): Delete.
272 (build/genautomata): Likewise.
274 2006-07-04 Alan Modra <amodra@bigpond.net.au>
277 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
278 128-bit IBM long doubles for ABI_V4.
280 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
282 * tree.c (range_in_array_bounds_p): New predicate.
283 * tree.h (range_in_array_bounds_p): Declare it.
284 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
285 return a less conservative answer.
286 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
288 (IS_ELEMENT_FOR_GROUP): New macro.
289 (FOR_EACH_ACTUAL_CHILD): Likewise.
290 (next_child_for_group): New helper function.
291 (can_completely_scalarize_p): Take into account groups.
292 (sra_hash_tree): Handle RANGE_EXPR.
293 (sra_elt_eq): Likewise.
294 (lookup_element): Be prepared for handling groups.
295 (is_valid_const_index): Delete.
296 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
297 instead of is_valid_const_index.
298 <ARRAY_RANGE_REF>: New case.
299 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
300 is_valid_const_index.
301 <ARRAY_RANGE_REF>: Do not unconditionally punt.
302 (scan_dump): Dump info for groups too.
303 (decide_instantiation_1): Likewise.
304 (decide_block_copy): Assert that the element is not a group.
305 Propagate decision to groups.
306 (generate_one_element_ref): Handle RANGE_EXPR.
307 (mark_no_warning): Iterate over actual childs.
308 (generate_copy_inout): Likewise.
309 (generate_element_copy): Likewise.
310 (generate_element_zero): Likewise.
311 (generate_element_init_1): Likewise.
312 (dump_sra_elt_name): Handle RANGE_EXPR.
314 2006-07-03 Roger Sayle <roger@eyesopen.com>
316 PR tree-optimization/26251
317 * tree-ssa-threadupdate.c (redirection_block_p): New function.
318 (thread_block): When optimizing for size refuse to thread jumps
319 that would require duplication of blocks other than redirection
322 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
324 * configure.ac: Fix thinko in previous check-in.
325 * configure: Regenerate.
327 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
330 * configure.ac (for lang...): Simplify nesting of conditionals.
331 Test subdir_requires for non-enabled languages. Move processing
332 of lang_opt_files and lang_tree_fiels below that test.
333 * configure: Regenerate.
334 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
336 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
338 * doc/gcov.texi (Invoking Gcov): Add a missing word.
340 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
342 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
345 2006-06-29 Jason Merrill <jason@redhat.com>
352 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
353 * c-common.c (c_determine_visibility): Handle it here.
354 * c-decl.c (finish_decl): Call c_determine_visibility for
356 * flags.h (enum symbol_visibility): Sort from most to least visibility.
358 * varasm.c (default_assemble_visibility): Likewise.
359 * c-common.c (handle_visibility_attribute): Complain about trying
360 to give visibility to an already defined class, or trying to change
361 declared visibility. Always attach the attribute.
366 * attribs.c (decl_attributes): Ignore type-in-place attributes
367 once the type has been defined.
369 2006-06-29 Roger Sayle <roger@eyesopen.com>
372 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
373 to indicate the cpplib has issued an error message for us.
375 2006-06-29 Asher Langton <langton2@llnl.gov>
378 * config/i386/i386.c (ix86_output_function_epilogue): Don't
379 insert a label at the end of an function under Mach-O.
381 2006-06-29 Eric Christopher <echristo@apple.com>
382 Evan Cheng <evan.cheng@apple.com>
384 * predicates.md (vector_all_ones_operand): New.
385 (nonimmediate_or_sse_const_operand): Ditto.
386 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
387 * config/i386/i386.c (standard_sse_constant_opcode): Define.
388 (standard_sse_mode_p): Ditto.
389 (standard_sse_constant_p): Add case for -1 vector.
390 (ix86_expand_vector_move): Try to use.
391 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
392 Call standard_sse_constant_opcode.
393 (*movv4sf_internal): Ditto.
394 (*movv2df_internal): Ditto.
396 2006-06-29 Roger Sayle <roger@eyesopen.com>
398 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
399 of XEXP to extract the operands of a MATCH_CODE rtx.
401 2006-06-28 Andrew Pinski <pinskia@gmail.com>
403 * tree.c (tree_size): Do not waste tail padding in
404 struct tree_string and make the size be the same as
405 build_string will generate.
407 2006-06-28 Jason Merrill <jason@redhat.com>
410 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
411 may_aliases already in the tag's annotations to the bitmap.
413 2006-06-28 Roger Sayle <roger@eyesopen.com>
415 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
417 2006-06-28 Roger Sayle <roger@eyesopen.com>
419 * genpreds.c (generate_switch_p): New function.
420 (add_mode_tests): Push the new mode test down inside an AND expr
421 if this allows the switch-suitable MATCH_CODE to be near the root.
422 (write_match_code_switch): New function to write a MATCH_CODE as
424 (write_predicate_stmts): New function to write a predicate RTX
425 expression as a sequence of statements.
426 (write_one_predicate_function): Use write_predicate_stmts.
427 (write_tm_constrs_h): Likewise.
429 2006-06-26 Fred Fish <fnf@specifix.com>
431 * config/mips/t-sb1: New file.
432 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
435 2006-06-26 DJ Delorie <dj@redhat.com>
437 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
439 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
440 Jayant Sonar <jayants@kpitcummins.com>
441 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
443 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
444 (subsi3, subsi3_1, subsi3_2): New.
445 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
446 * config/m32c/mov.md (SI mov peephole): New.
447 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
448 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
450 2006-06-26 Olivier Hainque <hainque@adacore.com>
452 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
453 a CALL_EXPR target function declaration.
455 2006-06-26 Richard Guenther <rguenther@suse.de>
457 * tree.c (build_string): Do not waste tail padding in
460 2006-06-26 Richard Guenther <rguenther@suse.de>
462 * ggc-page.c (init_ggc): Add missing element to size_lookup
466 2006-06-23 Richard Guenther <rguenther@suse.de>
468 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
469 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
470 alignment requests instead. Add verification code.
471 Add struct tree_function_decl and struct tree_binfo size to
472 extra_order_size_table. Add missing element to size_lookup
475 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
478 * fold-const.c (const_binop): Be prepared for self returning zero.
479 Simplify code handling complex values.
481 2006-06-24 Olivier Hainque <hainque@adacore.com>
483 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
484 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
487 2006-06-24 Olivier Hainque <hainque@adacore.com>
489 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
490 ARRAY_REF, so have the callback called for the low bound expression.
492 2006-06-23 Janis Johnson <janis187@us.ibm.com>
494 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
495 * c-typeck.c (c_common_type): Disallow operations on decimal float
496 types and other float types.
497 * convert.c (convert_to_real): Don't ignore conversions involving
500 2006-06-23 Olivier Hainque <hainque@adacore.com>
502 * tree.c (max_int_size_in_bytes): New function, inspired from
503 code in function.c:assign_temp.
504 * tree.h (max_int_size_in_bytes): Declare.
505 * function.c (assign_temp): Use it.
506 * gimplify.c (create_tmp_var): Relax the assertions on the type
507 properties, not mandating constant size any more.
508 (force_constant_size): New static function.
509 (gimple_add_tmp_var): Use it, forcing variable size to a
510 constant upper bound if it is not constant on entry.
512 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
515 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
516 for initialization and setting of one_only flag to ...
517 (i386_pe_encode_section_info): ...here.
518 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
519 Recheck that the symbol has not been defined.
521 2006-06-23 Richard Guenther <rguenther@suse.de>
523 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
524 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
525 alignment requests instead. Add verification code.
526 Add struct tree_function_decl and struct tree_binfo size to
527 extra_order_size_table. Add missing element to size_lookup
530 2006-06-22 Roger Sayle <roger@eyesopen.com>
531 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
534 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
535 call to lang_hooks.types.type_for_mode returned NULL_TREE.
537 2006-06-23 Ben Elliston <bje@au.ibm.com>
539 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
540 negate dn -- manipulate it directly.
542 2006-06-22 Roger Sayle <roger@eyesopen.com>
543 Steven Bosscher <stevenb.gcc@gmail.com>
546 * reload1.c (gen_reload): Call mark_jump_label on the new insns
547 generated by gen_move_insn to add REG_LABEL notes if necessary.
549 2006-06-22 Bob Wilson <bob.wilson@acm.org>
551 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
552 (leaf_entry): Remove use of MIN_ESA.
554 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
556 PR rtl-optimization/28121
557 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
560 2006-06-21 DJ Delorie <dj@redhat.com>
562 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
564 (mulhisi3_r): Likewise.
566 2006-06-21 Richard Sandiford <richard@codesourcery.com>
569 * coverage.c (coverage_counter_alloc): Leave the index type
571 (coverage_counter_alloc): Use null arguments for operands 2 and 3
574 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
576 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
577 section from the "Options for Code Generation Conventions".
579 2006-06-21 Richard Henderson <rth@redhat.com>
583 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
585 (global_symbolic_operand): Allow weak symbols, even if local_p.
587 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
589 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
590 (find_interesting_uses_address): Punt if above function returns true.
592 2006-06-21 Richard Guenther <rguenther@suse.de>
594 * configure: Regenerated.
596 2006-06-21 Joseph Myers <joseph@codesourcery.com>
598 * config/mips/mips.c (function_arg): Where one part of a
599 complex argument is in registers and the other part in the stack,
600 return a REG not a PARALLEL.
602 2006-06-21 Mark Mitchell <mark@codesourcery.com>
604 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
605 when cross-compiling. Do not substitute libstdcxx_incdir.
606 * configure: Regenerated.
608 2006-06-21 Jakub Jelinek <jakub@redhat.com>
610 * varasm.c (mergeable_string_section): Check for embedded NULs and
611 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
612 rather than TREE_STRING_LENGTH bytes.
614 2006-06-21 Richard Guenther <rguenther@suse.de>
616 * ggc-page.c (extra_order_size_table): Add var_ann_d,
617 tree_ssa_name, bitmap_element and phi_node with 4 arguments
620 2006-06-21 Richrad Guenther <rguenther@suse.de>
622 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
623 Limit iteration over the dominators.
625 2006-06-20 Roger Sayle <roger@eyesopen.com>
627 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
628 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
630 2006-06-20 Richard Guenther <rguenther@suse.de>
631 Michael Matz <matz@suse.de>
633 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
635 * alloc-pool.c (free_alloc_pool_if_empty): New function.
636 * et-forest.h (et_free_pools): Prototype new function.
637 * et-forest.c (et_free_tree_force): Free parent occurrence.
638 (et_free_pools): New function.
639 * dominance.c (free_dominance_info): Free et-forest alloc
642 2006-06-20 Roger Sayle <roger@eyesopen.com>
644 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
645 integer modes, attempt to directly construct an integer constant.
647 * fold-const.c (native_encode_vector): Determine the size of each
648 element from the vector type instead of the first vector element.
650 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
651 if all of its elements/components are constant.
652 (build_constructor_from_list): Likewise.
654 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
656 PR tree-optimization/27331
657 * tree-data-ref.c (free_data_ref): New function.
658 (create_data_ref): Fail if the data reference has unknown access
660 (free_data_refs): Use free_data_ref.
662 2006-06-19 Andrew Pinski <pinskia@gmail.com>
665 * tree-inline.c (setup_one_parameter): Strip useless
666 type conversion before adding it to the IR.
667 (declare_return_variable): Likewise.
669 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
672 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
674 2006-06-19 Mike Stump <mrs@apple.com>
676 * tree.c (variably_modified_type_p): VM arguments don't make the
679 2006-06-19 Richard Guenther <rguenther@suse.de>
681 * tree-ssa-pre.c (try_combine_conversion): Strip useless
682 type conversions after folding.
684 2006-06-19 Richard Guenther <rguenther@suse.de>
686 * ggc-page.c (extra_order_size_tab): Add entries with
687 size of struct function and basic_block.
688 (size_lookup): Extend to cover sizes up to 511.
689 (ggc_alloc_stat): Adjust user.
690 (ggc_pch_count_object): Likewise.
691 (ggc_pch_alloc_object): Likewise.
692 (ggc_pch_write_object): Likewise.
694 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
696 * tree-ssa-loop-niter.c (implies_ge_p): New function.
697 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
700 2006-06-19 Denis Chertykov <denisc@overta.ru>
702 * config/avr/libgcc.S : Correct my wrong previous commit.
704 2006-06-19 Roger Sayle <roger@eyesopen.com>
707 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
708 have stripped a SUBREG from the shift count, so we may need to
709 convert_to_mode back to the type's mode before calling make_tree.
710 Use new_amount instead of amount to avoid expanding a tree twice.
712 2006-06-19 Richard Guenther <rguenther@suse.de>
715 * fold-const.c (operand_equal_p): Check if the argument types
716 have the same precision before stripping NOPs.
718 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
720 Fix PR tree-optimization/27341
721 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
723 * tree-complex.c (pass_lower_complex): Update SMT usage.
725 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
727 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
728 Add a new alternative to the constraint strings. Add move of
729 operand 1 to 3 to the splitter definition.
730 ("doloop_si_long"): Second contraint alternative removed.
732 2006-06-08 Anatoly Sokolov <aesok@post.ru>
734 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
735 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
737 (AVR_HAVE_MOVW) Define.
738 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
739 (ASM_SPEC): Add avr25.
740 (LINK_SPEC): Add avr25.
741 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
742 (base_arch_s): Add new member 'have_movw_lpmx'.
743 (avr_arch_types): Init 'have_movw_lpmx'.
744 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
745 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
746 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
747 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
748 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
750 (avr_file_start): Do not output '.arh' derective.
751 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
752 (__do_copy_data): Use __AVR_HAVE_LPMX__.
753 * config/avr/avr.md (mcu_enhanced): Delete.
754 (mcu_have_movw): Define.
755 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
756 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
757 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
758 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
759 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
760 attiny861 and at86rf401 devices.
762 2006-06-18 Jie Zhang <jie.zhang@analog.com>
764 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
767 2006-06-17 Karl Berry <karl@gnu.org>
769 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
770 doc/gccint.texi, doc/install.texi (@dircategory): Use
771 "Software development" instead of "Programming", following
772 the Free Software Directory.
774 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
776 * config/i386/i386.c (legitimate_tls_address)
777 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
778 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
779 (*tls_dynamic_gnu2_combine_64): Likewise.
781 2006-06-16 Richard Guenther <rguenther@suse.de>
784 * fold-const.c (negate_expr_p): Do not introduce undefined
785 overflow in negating INTEGER_CSTs.
786 (fold_negate_expr): Rename from negate_expr. Revert last
787 change for folding BIT_NOT_EXPR. Change semantics to
788 return NULL_TREE for non-simplified negations. Do not
789 strip type conversions and unify type handling.
790 (negate_expr): New function, wrap around fold_negate_expr
791 but ensure building a tree always. Strip type conversions
792 here, fold to result type.
793 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
795 2006-06-16 Roger Sayle <roger@eyesopen.com>
798 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
799 that (would) return their results in stack registers.
801 2006-06-16 Michael Matz <matz@suse.de>
802 Richard Guenther <rguenther@suse.de>
804 * fold-const.c (fold_truthop): Only return new tree node if
805 we canonicalized something.
807 2006-06-16 Richard Guenther <rguenther@suse.de>
809 * function.h (enum function_frequency): Move declaration
810 out of struct function.
811 (struct function): Move bool fields and the enum to the bitfield
812 section. Reorder elements to avoid padding. Remove unused
813 fields left over from the RTL inliner removal.
814 * function.c (free_after_compilation): Do not zero removed fields.
815 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
816 (ipa-type-escape.o): Likewise.
818 2006-06-16 Richard Guenther <rguenther@suse.de>
820 * cgraph.h (struct cgraph_local_info): Turn bool elements
822 (struct cgraph_node): Likewise.
823 (struct cgraph_varpool_node): Likewise.
825 2006-06-15 Richard Guenther <rguenther@suse.de>
827 * fold-const.c (fold_truth_not_expr): Rename from
828 invert_truthvalue. Give it fold_* semantics to avoid
830 (invert_truthvalue): New function. Wrapper around
832 (optimize_minmax_comparison): Avoid creating garbage.
833 (fold_unary): Use fold_truth_not_expr for folding
835 (fold_ternary): Replace uses of invert_truthvalue with
836 fold_truth_not_expr where applicable.
837 * tree.h (fold_truth_not_expr): Prototype.
839 2006-06-16 Richard Guenther <rguenther@suse.de>
841 PR tree-optimization/27781
842 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
843 * ipa-pure-const.c (target.h): Include.
844 (analyze_function): Do not analyze functions that do not
847 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
850 * tree-dfa.c (referenced_vars_dup_list): Remove.
851 (find_referenced_vars): Remove assert.
852 (referenced_var_check_and_insert): Replace dup list with assert.
853 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
854 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
856 2006-06-15 Richard Guenther <rguenther@suse.de>
858 * tree-ssa-structalias.c (alias_get_name): Avoid creating
859 extra unused identifiers if not dumping.
860 (create_variable_info_for): Likewise.
862 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
864 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
865 (derive_constant_upper_bound): Derive more precise upper bound in
866 common cases. Return type changed to double_int.
867 (record_estimate): Reflect the changed return type of
868 derive_constant_upper_bound.
869 * double-int.c (double_int_zext, double_int_sext): Fix.
871 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
873 * configure.ac (CFLAGS): Get them from the toplevel or from the
874 configure invocation.
875 * configure: Regenerate.
876 * Makefile.in (CFLAGS): Substitute value provided by configure.
878 2006-06-14 Mark Mitchell <mark@codesourcery.com>
881 * c-common.h (c_finish_omp_atomic): Adjust declaration.
882 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
883 rather than calling add_stmt on it.
884 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
886 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
889 * reload1.c (reload): Remove registers returned by update_eliminables
890 from used_spill_regs.
892 2006-06-13 DJ Delorie <dj@redhat.com>
894 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
896 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
898 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
899 html__strip_dir, html__mkdir_p. Enhance install-html target.
900 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
901 * configure: Regenerate.
903 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
905 * fold-const.c (fold_cond_expr_with_comparison): Check for
906 Objective-C++ as language in deciding COND_EXPR transformation.
908 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
911 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
912 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
913 * config/sh/lib1funcs.h (SL, SL1): Define.
914 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
915 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
916 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
917 (OBJS_Os_4_200): New variable.
918 ($(T)libgcc-Os-4-200.a): Use it.
919 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
920 when dividing 1 and/or by 0.
922 2006-06-13 Roger Sayle <roger@eyesopen.com>
924 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
925 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
926 * configure: Regenerate.
928 2006-06-13 Jie Zhang <jie.zhang@analog.com>
930 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
931 for real instruction.
933 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
936 * haifa-sched.c (check_cfg): Handle special case.
938 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
941 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
942 Add debug_info parameter. Chain the vars to the BLOCK instead
943 of the BIND_EXPR if debug info are requested for them.
944 (pop_gimplify_context): Adjust for above change.
945 (gimple_add_tmp_var): Likewise.
946 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
948 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
949 (convert_local_reference): Likewise.
950 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
951 (finalize_nesting_tree_1): Request that debug info be emitted
954 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
956 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
959 2006-06-13 Richard Guenther <rguenther@suse.de>
962 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
964 2006-06-13 Richard Guenther <rguenther@suse.de>
966 PR tree-optimization/27830
967 * tree-inline.c (copy_body_r): For copying the operand
968 of an ADDR_EXPR make sure to fold &* afterwards.
970 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
972 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
973 lvalues in the fb_none case with side-effects.
975 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
977 * tree-flow.h: Remove the prototype for
978 compute_phi_arg_on_exit.
979 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
980 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
983 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
985 * builtins.c (expand_builtin_return_addr): Only use
986 frame_pointer_rtx when count == 0 and we are expanding
987 __builtin_return_address.
989 2006-06-12 Fred Fish <fnf@specifix.com>
991 * config/mips/mips.c (mips_file_start): Create special section
992 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
994 2006-06-11 Eric Christopher <echristo@apple.com>
997 * stor-layout.c (place_field): Remove check for
998 remaining_in_alignment when aligning at the end of a run.
1000 2006-06-11 Eric Christopher <echristo@apple.com>
1003 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
1006 2006-06-11 Roger Sayle <roger@eyesopen.com>
1009 Revert incorrect fix for PR target/27158
1010 2006-05-08 Roger Sayle <roger@eyesopen.com>
1011 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1012 of a reg_equiv_constant if the result is a legitimate constant.
1014 2006-06-11 Roger Sayle <roger@eyesopen.com>
1017 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
1018 extract a CONST_VECTOR element and interpret it as an integer.
1019 (vspltis_constant): Use const_vector_elt_as_int instead of the
1020 macro CONST_VECTOR_ELT in order to handle FP vector modes.
1021 * config/rs6000/predicates.md (easy_vector_const): Consider
1022 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
1024 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
1027 * stor-layout.c (update_alignment_for_field): Don't add extra
1028 alignment for packed non-bitfield fields in ms_bitfield_layout_p
1031 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
1033 * config/mips/t-rtems: Add EL/EB multilib variants.
1035 2006-06-09 Mike Stump <mrs@apple.com>
1037 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
1039 2006-06-09 David Daney <ddaney@avtrex.com>
1041 * doc/install.texi: Add binutils version recommendation for mips-*-*.
1043 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
1045 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
1047 2006-06-09 Richard Guenther <rguenther@suse.de>
1049 PR tree-optimization/26998
1050 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
1051 of signed types, only TYPE_MIN_VALUE is special, but for both,
1052 minimum and maximum value. Likewise VR_ANTI_RANGE is special
1053 in this case, as is -fwrapv.
1055 2006-06-08 Mike Stump <mrs@apple.com>
1058 * config/darwin.c (darwin_asm_output_anchor): Disable
1059 -fsection-anchors on darwin for now.
1060 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
1061 * rs6000/rs6000.c (optimization_options): Likewise.
1063 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1066 * config/i386/i386.c (classify_argument): Skip fields with invalid
1069 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
1071 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
1072 (cse_insn): Likewise for the stack_pointer_rtx.
1074 2006-06-08 Roger Sayle <roger@eyesopen.com>
1076 * tree-ssa-dom.c (record_conditions): Only record "unordered"
1077 conditions from floating point comparisons.
1079 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
1082 * expmed.c (struct alg_hash_entry): Fix type of field T
1083 to match synth_mult argument.
1084 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
1086 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1089 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
1092 2006-06-08 Richard Guenther <rguenther@suse.de>
1095 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
1096 only, if overflow is defined and not trapping.
1097 (negate_expr): Likewise.
1099 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1101 PR tree-optimization/27872
1102 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
1103 flag on the new exit edge of the unrolled loop.
1105 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
1107 PR rtl-optimization/26449
1108 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
1110 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
1113 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
1114 referenced_variables with matching DECL_UID's.
1115 (find_referenced_vars): Make sure duplicate list is empty to start.
1116 (referenced_var_p): Remove.
1117 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
1118 Check if var is in the list, and add if needed. Update the duplicate
1119 list if a different var is in the list with the same DECL_UID.
1120 (add_referenced_var): Call routine to check and insert.
1121 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
1122 * tree-flow.h (referenced_vars_dup_list): External declaration.
1124 2006-06-07 Fred Fish <fnf@specifix.com>
1126 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
1129 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
1132 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
1133 the imaginary and real parts of a clobbered register.
1134 Emit insn to set the imaginary part.
1136 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
1138 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
1139 in lieu of unwind-dw2-fde.c.
1141 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1143 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
1145 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
1148 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
1149 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
1150 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
1151 V4SImode temporaries and operations instead.
1153 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
1155 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
1158 2006-06-06 Mike Stump <mrs@apple.com>
1160 * Makefile.in: Rename to htmldir to build_htmldir to avoid
1161 installing during build.
1163 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1165 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
1167 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1168 * config/ia64/ia64.c (params.h): New header.
1169 (ia64_optimization_options): New function to adjust parameters.
1170 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
1171 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
1172 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
1174 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
1176 * stor-layout.c (debug_rli): Fix a typo in a debug message.
1178 2006-06-05 Steve Ellcey <sje@cup.hp.com>
1181 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
1183 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
1184 Victor Kaplansky <victork@il.ibm.com>
1186 PR tree-optimization/26360
1187 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
1190 2006-06-04 Roger Sayle <roger@eyesopen.com>
1191 Andrew Pinski <pinskia@physics.uc.edu>
1194 * c-common.c (c_common_truthvalue_conversion): Explicitly check
1195 for LABEL_DECL before calling DECL_WEAK.
1198 * c-typeck.c (build_binary_op): Likewise, explicitly check for
1199 LABEL_DECL and PARM_DECL.
1201 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
1205 * c-decl.c (grokdeclarator): Disallow variably modified types at
1206 file scope. Avoid marking shared array type of constant size as
1209 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1212 * c-common.c (fold_offsetof_1): Handle static members.
1214 2006-06-04 Eric Christopher <echristo@apple.com>
1216 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
1217 (debug_rli): Output value for remaining_in_alignment.
1218 (update_alignment_for_field): Unconditionalize
1219 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
1220 extra alignment code.
1221 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
1222 ms_bitfield_layout_p code. Rewrite handling of structure fields.
1223 * tree.h (record_layout_info_s): Remove prev_packed.
1224 * doc/extend.texi (ms_struct): Add documentation of format.
1226 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
1228 * tree.h: Declare folding_initializer.
1229 * builtins.c (fold_builtin_constant_p): Give definite answer
1230 if folding inside an initializer.
1231 * fold-const.c: Define folding_initializer.
1232 (START_FOLD_INIT): Save and then set folding_initializer.
1233 (END_FOLD_INIT): Restore folding_initializer.
1235 2006-06-04 Richard Guenther <rguenther@suse.de>
1237 PR tree-optimization/27039
1238 * fold-const.c (fold_comparison): Handle pointer comparison
1239 again for all comparison codes. Compare offsets in signed
1241 (fold_binary): Move code from here.
1243 2006-06-03 Roger Sayle <roger@eyesopen.com>
1246 * config/i386/i386.c (construct_container): Split static issued_error
1247 flag into issued_sse_arg_error, issued_sse_ret_error and
1248 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
1249 requires the use of x87 registers and the user explicitly
1250 specified the -mno-80387 command line option.
1252 2006-06-02 Geoffrey Keating <geoffk@apple.com>
1254 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
1255 HAVE_DECL_SIGALTSTACK.
1257 (segv_handler): Use MC_FLD.
1258 * configure.ac: Check for a sigaltstack declaration.
1259 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
1260 * configure: Regenerate.
1261 * config.in: Regenerate.
1263 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
1266 * Makefile.in (stmp-fixinc): Fix typo.
1268 2006-06-02 Roger Sayle <roger@eyesopen.com>
1270 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
1271 are type correct. Clean-up.
1272 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
1273 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
1275 2006-06-01 DJ Delorie <dj@redhat.com>
1277 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
1278 shift, as we've disabled the "switch" insn that needs it.
1280 2006-06-01 Per Bothner <bothner@bothner.com>
1282 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
1283 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
1284 * c-ppoutput.c (cb_define): Don't increment line 0.
1286 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
1288 * doc/invoke.texi: Add cpu_type power6.
1289 * config.gcc: Add cpu_type power6.
1290 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
1291 to power5+ with Altivec.
1292 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
1293 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
1295 2006-05-30 Anatoly Sokolov <aesok@post.ru>
1297 * config/avr/avr.h (SET_ASM_OP): Define.
1299 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
1301 * config/bfin/bfin.c: Fix comment typos.
1303 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1306 * doc/install.texi: Document --enable-bootstrap and
1307 --disable-bootstrap.
1309 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
1311 * doc/install.texi: Document that InfoZIP can replace jar.
1313 2006-05-31 Roger Sayle <roger@eyesopen.com>
1315 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
1316 isn't available, directly generate the simpler x87 patterns without
1317 the (use (const_int 0)).
1318 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
1319 implementation isn't available.
1320 (*negdf2_1): Likewise.
1321 (*negxf2_1): XF mode negation is always done using the x87.
1322 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
1324 2006-05-31 Roger Sayle <roger@eyesopen.com>
1326 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
1327 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
1329 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
1331 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1333 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
1334 * config/bfin/bfin.c (basic-block.h): Include.
1335 (struct machine_function): New.
1336 (bfin_init_machine_status): New.
1337 (override_options): Initialize init_machine_status.
1338 (bfin_hardware_loop): New.
1339 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
1340 (DEF_VEC_P (loop_info)): New.
1341 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
1342 (struct loop_info): New.
1343 (loop_info): New typedef.
1344 (struct loop_work): New.
1345 (loop_work): New typedef.
1346 (DEF_VEC_O (loop_work)): New.
1347 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
1348 (bfin_dump_loops): New.
1349 (bfin_bb_in_loop): New.
1350 (bfin_scan_loop): New.
1351 (bfin_optimize_loop): New.
1352 (bfin_reorg_loops): New.
1353 (bfin_reorg): Use bfin_reorg_loops.
1354 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
1356 (I_REGNO_P): Simplify.
1357 (DP_REGNO_P, DPREG_P): New macros.
1358 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1359 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
1360 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
1361 Add LT_REGS, LC_REGS, LB_REGS.
1362 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
1364 (REGNO_REG_CLASS): Deal with loop registers.
1365 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
1367 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
1368 New constants for loop registers.
1369 (UNSPEC_LSETUP_END): New.
1370 (seq_insns): New define_attr. Set it for appropriate insns.
1371 (movsi_insn): Add alternatives for move from/to
1372 loop count registers.
1373 (doloop_end): New define_expand.
1374 (loop_end): New define_insn.
1375 (define_split for bad doloop_end): New.
1376 (lsetup_with_autoinit): New define_insn.
1377 (lsetup_without_autoinit): New define_insn.
1378 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
1379 * config/bfin/predicates.md (lc_register_operand): New.
1380 (lt_register_operand): New.
1381 (lb_register_operand): New.
1382 (nondp_register_operand): New.
1383 (nondp_reg_or_memory_operand): New.
1384 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
1386 2006-05-31 Jie Zhang <jie.zhang@analog.com>
1388 * config/bfin/bfin.c (bfin_delegitimize_address): New.
1389 (TARGET_DELEGITIMIZE_ADDRESS): Define.
1391 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
1393 * Makefile.in (CATALOGS): Add po/ prefix.
1394 * configure: Regenerated.
1396 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
1399 * arm.c (arm_print_operand case 'S'): Validate that the operand is
1400 a shift operand before calling shift_op. Avoid redundant call of
1403 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
1404 DJ Delorie <dj@redhat.com>
1406 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
1407 we're inserting is a singlt-bit constant.
1409 2006-05-30 Roger Sayle <roger@eyesopen.com>
1411 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
1412 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
1414 2006-05-30 Roger Sayle <roger@eyesopen.com>
1416 PR tree-optimization/23452
1417 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
1418 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
1419 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
1420 complex values and with -ffast-math for FP complex values.
1422 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
1424 * c-common.h: Remove the prototype for yyparse.
1425 * rtl.h: Remove the prototype for init_loop.
1427 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
1429 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
1432 2006-05-30 Roger Sayle <roger@eyesopen.com>
1434 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
1436 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
1437 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
1439 2006-05-30 Dirk Mueller <dmueller@suse.de>
1442 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
1443 for CONSTANT_CLASS_P expresisons.
1445 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1448 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
1450 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
1452 PR tree-optimization/27779
1453 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
1454 initial_condition instead of CHREC_LEFT.
1456 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
1458 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
1459 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
1460 Make prototypes ISO C90.
1462 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
1463 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1465 * see.c (see_analyze_one_def): Correct check.
1466 (see_get_extension_data): Check if extension is parallel.
1467 (see_get_extension_reg): Likewise.
1469 2006-05-30 Uros Bizjak <uros@kss-loka.si>
1472 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
1473 into register for (code == GTU).
1475 2006-05-29 Roger Sayle <roger@eyesopen.com>
1477 PR tree-optimization/24964
1478 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
1479 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
1480 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
1481 abs(x)*abs(x) as x*x for scalar floating point modes.
1483 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
1486 * lambda-code.c (perfect_nestify): Don't copy statements
1487 in the inner loop: move them to the inner loop header.
1489 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1492 * c-tree.texi: Document OpenMP directives and clauses.
1494 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1496 * varasm.c (globalize_decl): Fix indentation.
1498 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1501 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1502 pass_fre, pass_store_ccp, pass_copy_prop,
1503 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1504 pass_return_slot, pass_object_size, pass_lim,
1505 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1506 pass_loop_prefetch and pass_stdarg.
1508 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1510 * config/bfin/bfin.opt (mfdpic): New option.
1511 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1512 (EXTRA_MULTILIB_PARTS): Likewise.
1513 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1514 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1516 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1517 (CRT_CALL_STATIC_FUNCTION): New.
1518 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1520 (CRT_CALL_STATIC_FUNCTION): New.
1521 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1523 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1524 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1525 (initialize_trampoline): Changed to handle FD-PIC code generation.
1526 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1527 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1528 (override_options): Disallow -mid-shared-library -mfdpic combination.
1529 Can't do unaligned ops if FD-PIC.
1530 Turn off flag_pic if trying to generate non-id-shared-library
1531 non-fdpic code, since it's not supported.
1532 (bfin_assemble_integer): New function.
1533 (TARGET_ASM_INTEGER): Define.
1534 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1536 * config/bfin/crtn.s: Restore them.
1537 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1539 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1540 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1541 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1542 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1543 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1545 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1546 FDPIC_REGS and FDPIC_FPTR_REGS.
1547 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1548 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1549 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1550 (load_funcdescsi): New pattern.
1551 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1552 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1553 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1555 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1557 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1560 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1562 * tree-flow.h: Remove the prototype for add_type_alias.
1563 * tree-ssa-alias.c (add_type_alias): Remove.
1565 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1567 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1568 config/fr30/fr30.md, config/i386/i386-interix.h,
1569 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1570 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1571 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1572 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1573 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1574 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1575 Follow spelling conventions.
1576 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1577 Follow spelling conventions.
1579 2006-05-27 Richard Guenther <rguenther@suse.de>
1582 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1583 to produce a constant of value 1 of generic type.
1585 2006-05-27 Dirk Mueller <dmueller@suse.de>
1587 * cgraphunit.c (decide_is_function_needed): Fix wrong
1590 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1592 PR rtl-optimization/27661
1593 * reload.c (find_reloads): When reloading a VOIDmode constant
1594 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1595 use Pmode as mode of the reload register.
1597 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1599 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1600 is enabled at -O and above.
1602 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1605 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1608 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1611 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1612 for anonymous variables explicitly declared by front ends.
1614 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1616 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1617 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1618 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1619 ref-all pointers, run a finalization pass for them.
1620 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1621 (finalize_ref_all_pointers): New function.
1622 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1623 regular pointer type to a ref-all pointer type.
1624 (get_tmt_for): Return the special memory tag for ref-all pointers.
1626 2006-05-25 Richard Guenther <rguenther@suse.de>
1629 * fold-const.c (fold_binary): Do not look at the stripped
1630 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1632 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1634 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1635 for LT and GT if the computed range is effectively empty.
1637 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1640 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1641 mips_quad_format formats instead of ieee_single_format,
1642 ieee_double_format and ieee_quad_format formats, respectively.
1644 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1646 PR tree-optimization/27639
1647 PR tree-optimization/26719
1648 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1649 call to scev_probably_wraps_p.
1650 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1651 used_in_pointer_arithmetic_p, convert_step): Removed.
1652 (nowrap_type_p): New function.
1653 (scev_probably_wraps_p): Rewritten.
1654 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1655 chrec_convert if chrec_convert_aggressive might have been used.
1656 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1657 scev_direction): New functions.
1658 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1659 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1660 instead of convert_step.
1661 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1662 (convert_step): Declaration removed.
1663 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1665 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1667 * df-core.c: Added to header comments.
1668 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1669 df_ur_bb_info, df_urec_bb_info): Added comments.
1670 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1671 urec, ri problems): Fixed header comments.
1672 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1673 code from df_rd_transfer_function.
1675 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1677 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1678 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1679 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1681 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1683 * expr.c (undefined_operand_subword_p): New.
1684 (emit_move_multi_word): Do not generate move from undefined bits
1685 of a paradoxical subreg.
1687 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1689 PR rtl-optimization/27736
1690 * combine.c (replaced_rhs_value): New variable.
1691 (combine_instructions): Set it.
1692 (distribute_notes): When distributing a note in replaced_rhs_insn,
1693 check whether the value was used in replaced_rhs_value.
1695 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1698 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1699 add_referenced_var instead of add_referenced_tmp_var.
1700 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1701 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1703 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1704 tree_optimize_tail_calls_1): Use add_referenced_var.
1705 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1706 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1707 Use add_referenced_var.
1708 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1709 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1710 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1711 Use add_referenced_var.
1712 * tree-dfa.c (struct walk_state): Remove.
1713 (find_referenced_vars): Remove walk state and vars_found hash table.
1714 (make_rename_temp): Use add_referenced_var.
1715 (find_vars_r): Pass less parameters to add_referenced_var.
1716 (referenced_var_p): New. Is var in referenced_var hash table.
1717 (referenced_var_insert): Assert var isn't already in hash table.
1718 (add_referenced_var): Don't need walk_state parameter. Add var if it
1719 isn't already in the hash table.
1720 (add_referenced_tmp_var): Remove.
1721 (find_new_referenced_vars_1): Use add_referenced_var.
1722 * tree-ssa-pre.c (create_expression_by_pieces,
1723 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1724 Use add_referenced_var.
1725 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1726 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1727 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1729 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1730 vect_create_data_ref_ptr, vect_create_destination_var,
1731 vect_init_vector, vect_build_loop_niters,
1732 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1733 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1734 Use add_referenced_var.
1735 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1736 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1737 (add_referenced_var): Add prototype.
1738 * tree-ssa-structalias.c (get_constraint_for,
1739 intra_create_variable_infos): Use add_referenced_var.
1741 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1743 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1744 big-endian paradoxical subregs.
1745 * var-tracking.c (struct micro_operation_def): Document that,
1746 for modify micro operations, insn is the subsequent instruction.
1747 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1748 (var_reg_set, var_mem_set): ... new functions.
1749 (add_stores): Record subsequent insn.
1750 (compute_bb_dataflow): Use new functions for MO_USE.
1751 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1752 notes after the insn, and modify notes before the insn known
1753 to be the subsequent one.
1754 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1756 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1759 * config/i386/i386.c (ix86_expand_builtin): Use
1760 gen_sse3_monitor64 for TARGET_64BIT.
1762 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1764 PR rtl-optimization/26375
1765 PR rtl-optimization/26855
1766 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1768 (df_ru_bb_local_compute): Reversed statements and removed bogus
1769 comment explaining why they should be in wrong order.
1770 (df_ru_dump, df_rd_dump): Enhanced debug info.
1771 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1773 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1774 reaching uses and fixed space problem.
1776 2006-05-23 Jan Hubicka <jh@suse.cz>
1778 * cgraphunit.c (decide_is_function_needed): Also nested functions
1779 and functions declared inline can be optimized out at -O0.
1781 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1783 * doc/install.texi (Configuration): Remove reference to CrossGCC
1787 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1790 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1791 ix86_compare_emitted is non-NULL.
1793 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1796 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1799 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1801 PR rtl-optimization/25514
1802 * combine.c (replaced_rhs_insn): New variable.
1803 (combine_instructions): Set replaced_rhs_insn when trying to replace
1804 a SET_SRC with a REG_EQUAL note.
1805 (distribute_notes): Use replaced_rhs_insn when determining the live
1806 range of a REG_DEAD register.
1808 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1809 Anatoly Sokolov <aesok@post.ru>
1811 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1812 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1813 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1814 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1815 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1816 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1817 at90usb647, at90usb1286 and at90usb1287 devices.
1818 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1819 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1821 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1823 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1825 2006-05-22 Richard Guenther <rguenther@suse.de>
1828 2006-01-31 Richard Guenther <rguenther@suse.de>
1829 Paolo Bonzini <bonzini@gnu.org>
1831 * doc/install.texi (--disable-libgcc-math): Document.
1833 2006-05-22 Richard Guenther <rguenther@suse.de>
1836 2006-01-31 Richard Guenther <rguenther@suse.de>
1838 * doc/invoke.texi (-msselibm): Document.
1839 * target.h (expand_library_builtin): New target hook.
1840 * builtins.c (expand_builtin): Use expand_library_builtin.
1841 (default_expand_library_builtin): New function.
1842 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1843 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1844 (link_gcc_math_spec): Declare.
1845 (static_specs): Add link_gcc_math_spec.
1846 * expr.h (default_expand_library_builtin): Declare.
1847 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1848 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1849 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1850 * config/i386/i386.opt (msselibm): New target option.
1851 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1852 (ix86_init_sse_abi_builtins): New function.
1853 (ix86_expand_library_builtin): Likewise.
1854 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1855 (override_options): Handle error conditions wrt -msselibm.
1856 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1857 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1858 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1861 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1864 * c-common.c (self_promoting_args_p): Skip erroneous args.
1867 * c-decl.c (finish_struct): Skip erroneous fields.
1869 2006-05-22 Nick Clifton <nickc@redhat.com>
1871 * config/cris/cris.opt (march): Remove VarExists attribute.
1872 (max-stackframe=): Likewise.
1874 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1876 * doc/rtl.texi: Fix a typo.
1877 * see.c: Fix comment typos.
1879 * tree-ssa-structalias.h (alias_info): Remove num_references.
1881 2006-05-21 Mike Stump <mrs@apple.com>
1883 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1885 (darwin_pragma_options): Use BAD instead.
1886 (darwin_pragma_unused): Likewise.
1887 (darwin_pragma_ms_struct): Likewise.
1889 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1891 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1893 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1895 PR rtl-optimization/27671
1896 * simplify-rtx.c (simplify_relational_operation_1): Fix
1897 simplifications of (eq/ne (xor x y) y) and
1898 (eq/ne (xor x y) x).
1900 PR tree-optimization/26622.
1901 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1904 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1906 * tree-cfg.c: Prune whitespace.
1907 (debug_tree_cfg): Point to correct header containing the
1910 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1913 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1915 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1918 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1919 or sorry count is non zero.
1921 2006-05-20 Andreas Schwab <schwab@suse.de>
1923 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1925 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1926 Kenneth Zadeck <zadeck@naturalbridge.com>
1928 PR rtl-optimization/26855
1930 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1932 (df_scan_alloc): Added code to properly handle multiword hard
1933 registers and add all_blocks parameter.
1934 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1935 code to properly handle multiword hard registers.
1936 (df_rescan_blocks): Added code to remove deleted blocks from
1938 (df_ref_create_structure, df_ref_record): Added code to properly
1940 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1941 and set DF_REF_PARTIAL.
1942 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1943 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1944 (df_scan_add_problem): Added flags parameter.
1945 (df_ref_create_structure): Changed switching structure.
1946 (df_bb_refs_record): Fixed case where duplicate artificial refs
1947 were created. Changed location of flags.
1948 (df_record_entry_block_defs): Added code to make stack pointer
1949 live in entry block. Refined cases where frame pointer is needed.
1950 Changed location of flags.
1951 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1952 (df_set_state): Removed function.
1953 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1954 df_insn_create_insn_record, df_insn_refs_delete,
1955 df_ref_create_structure): Formatting changes.
1956 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1957 df_delete_basic_block): New function.
1958 (df_init): Changed location of flags.
1959 (df_add_problem): Added flags parameter and the way flags are
1961 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1962 debug_df_chain): Improved debugging output.
1963 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1964 (df_refs_chain_dump): Removed df parameter.
1965 (df_iterative_dataflow): Added consistency check.
1966 (df_prune_to_subcfg): Made public.
1967 (df_analyze_problem): Added blocks_to_init parameter and made
1969 (df_ref_record, df_bb_refs_record, df_mark_reg,
1970 df_record_exit_block_uses): Whitespace changes.
1971 (df_dump): Whitespace changes.
1972 * df.h: Some reordering to remove forward references.
1973 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1974 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1975 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1976 (dataflow.flags): New field.
1977 (df.flag): Deleted field.
1978 (df_alloc_function): Added additional bitmap parameter.
1979 (df_dependent_problem_function): New type.
1980 (df_problem.changeable_flags): New field.
1981 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1982 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1983 (df_mw_hardreg): New struct.
1984 (DF_INSN_UID_MWS): New macro.
1985 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1987 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1988 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1989 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1990 (df_set_state): Removed function.
1991 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1992 * df-problems.c (df_chain_dump): Removed df parameter.
1993 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1994 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1996 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1997 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1998 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1999 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
2000 DF_REF_MUST_CLOBBER cases.
2001 (df_ru_bb_local_compute_process_def,
2002 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
2003 df_lr_bb_local_compute, df_ur_bb_local_compute,
2004 df_chain_create_bb): Made subreg aware.
2005 (df_ru_bb_local_compute, df_rd_bb_local_compute,
2006 df_lr_bb_local_compute, df_lr_bb_local_compute,
2007 df_chain_create_bb): Cleanup to use proper macros.
2008 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
2009 code to fixup bitvectors.
2010 (df_ri_alloc): Cleared lifetime.
2011 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
2012 df_create_unused_note): New function.
2013 (df_ri_bb_compute, df_ri_compute): Added code to create/update
2014 REG_DEAD and REG_UNUSED notes as well as register information.
2015 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
2016 df_chains_dump): Fixed crash if problem was never run.
2017 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
2018 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
2019 df_ri_add_problem): Processes flags in uniform manner.
2020 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
2021 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
2022 df_rd_dump, df_urec_free_bb_info): Formatting changes.
2023 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
2024 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
2025 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
2026 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
2027 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
2028 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
2029 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
2030 * see.c (see_initialize_data): Ditto.
2031 * final.c (rest_of_clean_state) Added regstack_completed.
2032 * rtl.h (regstack_completed): Ditto.
2033 * reg-stack.c (regstack_completed): Ditto.
2035 2006-05-19 Mike Stump <mrs@apple.com>
2037 * c-tree.h (default_conversion): Remove.
2038 * c-common.h (default_conversion): Add.
2040 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
2042 * tree-vrp.c (valid_value_p): New function.
2043 (adjust_range_with_scev): Fail if the value of bound is not
2046 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2048 * config/mips/linux-unwind.h: Include <asm/unistd.h>
2049 (mips_fallback_frame_state): Use syscall numbers to determine
2050 the appropriate li instruction for the current ABI. Only use
2051 __NR_sigreturn for o32.
2053 2006-05-19 Nicolas Setton <setton@adacore.com>
2055 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
2056 * langhooks.c (lhd_dwarf_name): New function.
2057 * langhooks-def.h (lhd_dwarf_name): Declare.
2058 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
2059 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
2060 * ada/misc.c (gnat_dwarf_name): New function.
2061 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2063 2006-05-19 Richard Sandiford <richard@codesourcery.com>
2065 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
2067 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
2068 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
2069 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
2070 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
2071 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
2072 determine the size of Wtype, etc.
2073 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
2074 (swfloatfuncs): New variable.
2075 (dwfloatfuncs): Likewise.
2076 (lib2funcs): Remove floating-point conversion functions from
2077 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
2078 the set of conversion routines needed. Allow entries to specify
2079 an object name, filename and word size. Update users accordingly.
2080 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
2081 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
2085 2006-02-08 Roger Sayle <roger@eyesopen.com>
2088 * config/fixtfdi.c: New libgcc source file.
2089 * config/fixunstfdi.c: New source file.
2090 * config/floatditf.c: New source file.
2091 * config/floatunditf.c: New souce file.
2092 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2093 files above instead of config/mips/_tilib.c.
2094 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2096 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2098 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
2099 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
2101 2006-05-18 Mike Stump <mrs@apple.com>
2103 Fix up vla, vm and [*] sematics.
2109 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
2110 (c_vla_unspec_p): Add.
2111 (c_vla_type_p): Add.
2112 * c-decl.c (struct c_scope): Add had_vla_unspec.
2113 (build_array_declarator): Add support for [*].
2114 (grokdeclarator): Likewise.
2115 (grokparms): Likewise.
2116 (get_parm_info): Likewise.
2117 * c-objc-common.c (c_vla_unspec_p): Likewise.
2118 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
2119 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
2120 typeof when argument is a variably modified type not inside sizeof or alignof.
2121 (c_parser_direct_declarator_inner): Propagate errors.
2122 (c_parser_sizeof_expression): Add support for [*].
2123 (c_parser_parms_declarator): Initialize had_vla_unspec.
2124 (c_parser_parms_list_declarator): Likewise.
2125 * c-typeck.c (c_vla_type_p): Add.
2126 (composite_type): Add support for vla compositing.
2127 (comptypes_internal): Add support for vla compatibility.
2128 (c_expr_sizeof_expr): Evaluate vla arguments.
2129 * tree.c (variably_modified_type_p): Update comment for [*].
2131 2006-05-18 Michael Matz <matz@suse.de>
2134 * config.host: Make assignments to host_xmake_file cumulative.
2135 * config.host (*-darwin*): Test $host, not $target.
2137 2006-05-12 Stuart Hastings <stuart@apple.com>
2139 * config/i386/i386.opt (-mstackrealign): New flag.
2140 * config/i386/i386.c (force_align_arg_pointer): New attribute.
2141 (ix86_handle_cconv_attribute): Emit error when
2142 force_align_arg_pointer attribute collides with too many regparms.
2143 (ix86_function_regparm): Limit regparms when used with
2144 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
2145 Support stack-realigning prologue in non-main functions. Emit
2146 warning for nested functions under -mstackrealign, emit error for
2147 nested functions with force_align_arg_pointer attribute.
2148 * doc/extend.texi (force_align_arg_pointer): Document it.
2149 * doc/invoke.texi (-mstackrealign): Document it.
2151 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
2153 PR rtl-optimization/27477
2154 * combine.c (try_combine): Don't split a parallel consisting
2155 of two sets into two individual sets if both sets reference
2158 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
2160 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
2161 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
2163 * doc/options.texi (VarExists): Updated.
2165 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2167 * unwind-dw2.c: Add declarations for uw_update_context and
2169 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
2170 detected, advance frame state and context once to skip over stub.
2172 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2176 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
2177 Call rewrite_into_loop_closed_ssa only when something changed.
2178 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
2179 * lambda-code.c (can_convert_to_perfect_nest): Declared.
2180 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
2181 Test for perfect_nest_p here. Fix formating.
2182 (replace_uses_equiv_to_x_with_y): Fix formating.
2183 (stmt_uses_op): Removed.
2184 (can_convert_to_perfect_nest): Removed loopivs parameter.
2185 Complete the test by checking the scalar dependences.
2186 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
2189 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2192 From Dan Kegel <dank@kegel.com>:
2193 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2195 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
2197 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
2198 if the element type is variably modified without recursing.
2200 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
2203 * tree-loop-linear.c (try_interchange_loops): Test for
2204 no data dependences.
2206 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
2208 PR tree-optimization/27548
2209 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
2210 range of ssa names that appear on abnormal edges.
2211 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
2212 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2214 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
2217 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
2219 2006-05-17 Jakub Jelinek <jakub@redhat.com>
2222 * tree.h (OMP_PARALLEL_COMBINED): Define.
2223 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
2224 (new_omp_context): Add is_combined_parallel argument.
2225 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
2226 new_omp_context caller.
2227 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2228 Adjust gimplify_scan_omp_clauses callers.
2229 (omp_is_private): Issue errors if iteration variable is firstprivate
2230 or reduction in the current context.
2231 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
2232 on combined parallel workshare constructs.
2234 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2236 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
2237 (gcc-options.o): New rule.
2239 * optc-gen.awk: Protect variables for gcc-options.o with
2240 #ifdef GCC_DRIVER/#endif.
2242 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
2244 Fix PR tree-optimization/27373
2245 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
2246 (forward_propagate_addr_expr): Update call.
2248 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2250 * doc/options.texi: Move the Negative option.
2252 2006-05-16 Richard Guenther <rguenther@suse.de>
2254 PR tree-optimization/22303
2255 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
2257 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
2258 ccp_fold did not simplify the statement.
2260 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
2263 * Makefile.in (GCC_OBJS): New.
2264 (OBJS-common): Add opts-common.o.
2265 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
2266 (cpp$(exeext)): Likewise.
2267 (gcc.o): Also depend on opts.h.
2268 (opts-common.o): New.
2270 * common.opt (gcoff): Add Negative(gdwarf-2).
2271 (gdwarf-2): Add Negative(gstabs).
2272 (gstabs): Add Negative(gstabs+).
2273 (gstabs+): Add Negative(gvms).
2274 (gvms): Add Negative(gxcoff).
2275 (gxcoff): Add Negative(gxcoff+).
2276 (gxcoff+): Add Negative(gcoff).
2277 * config/i386/i386.opt (m32): Add Negative(m64).
2278 (m64): Add Negative(m32).
2280 * doc/options.texi: Document the Negative option.
2282 * gcc.c: Include "opts.h".
2283 (main): Call prune_options after expandargv.
2285 * optc-gen.awk: Generate common declarations for all flag
2286 variables in options.c. Output the neg_index field.
2288 * opts.c (find_opt): Moved to ...
2289 * opts-common.c: Here. New file.
2291 * opts.h (cl_option): Add a neg_index field.
2293 (prune_options): Likewise.
2295 2006-05-16 Jakub Jelinek <jakub@redhat.com>
2298 * omp-low.c (expand_omp_parallel): Don't assert
2299 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
2300 instead search for it.
2303 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
2306 2006-05-16 Andreas Schwab <schwab@suse.de>
2308 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
2311 2006-05-15 Roger Sayle <roger@eyesopen.com>
2314 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
2315 integer constants other than zero are only legitimate on TARGET_64BIT.
2316 <CONST_VECTOR> Only zero vectors are legitimate.
2317 (ix86_cannot_force_const_mem): Integral and vector constants can
2318 always be put in the constant pool.
2320 2006-05-16 DJ Delorie <dj@redhat.com>
2322 * crtstuff.c (__dso_handle): Set section from
2323 TARGET_LBIGCC_SDATA_SECTION if defined.
2324 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
2325 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2327 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
2330 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
2333 2006-05-16 Ben Elliston <bje@au.ibm.com>
2335 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2337 2006-05-15 Per Bothner <per@bothner.com>
2339 * tree.c: (last_annotated_node): Use source_locus typedef.
2340 This permits bootstrapping with --enable-mapped-location.
2342 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
2344 PR tree-optimization/26830
2345 * tree-into-ssa.c (struct ssa_name_info): Add age field.
2346 (info_for_ssa_name, current_info_for_ssa_name_age,
2347 blocks_to_update): New variables.
2348 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
2349 (clear_ssa_name_info, initialize_flags_in_bb,
2350 mark_block_for_update): New functions.
2351 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
2352 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
2353 prepare_def_site_for): Use mark_block_for_update.
2354 (mark_def_interesting): Assert that the processed block is marked in
2355 blocks_to_update. Do not take blocks argument.
2356 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
2358 (rewrite_update_init_block, rewrite_update_stmt): Only process
2359 blocks with statements to rewrite.
2360 (delete_update_ssa): Do not clear SSA_NAME_AUX.
2361 (update_ssa): Initialize and free blocks_to_update. Do not
2362 clear flags on statements. Do not use blocks bitmap.
2363 * tree.h (SSA_NAME_AUX): Removed.
2364 (struct tree_ssa_name): Removed aux field.
2365 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
2367 2006-05-15 Richard Guenther <rguenther@suse.de>
2369 PR tree-optimization/27603
2370 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2371 Do computations in original type.
2373 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
2375 * see.c: Code style changes such as redundant paranthesis,
2376 redundant intialization of local variables etc.
2377 (see_main): Declared now as static.
2378 * doc/invoke.texi: Update that -fsee is not enabled by
2381 2006-05-15 Jakub Jelinek <jakub@redhat.com>
2383 * omp-low.c (check_omp_nesting_restrictions): New function.
2384 (scan_omp_1): Call it.
2387 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
2388 construct, return *VAR.
2390 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
2392 PR rtl-optimization/27406
2393 * bt-load.c (migrate_btr_def): Skip the block having abnormal
2396 2006-05-14 Roger Sayle <roger@eyesopen.com>
2398 PR rtl-optimization/27538
2399 * combine.c (expand_compound_operation): Call gen_lowpart
2400 before calling simplify_shift_const.
2402 2006-05-14 Roger Sayle <roger@eyesopen.com>
2404 PR rtl-optimization/22563
2405 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
2406 a fixed width bitfield, always force the intermediates into psuedos.
2408 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
2411 * mkconfig.sh: Use operator = instead of == for test.
2413 2006-05-13 Nick Clifton <nickc@redhat.com>
2415 * dwarf2out.c (dbx_reg_number): Check return value from
2416 LEAF_REG_REMAP and only use it if it is valid.
2417 (multiple_reg_loc_descriptor): Likewise.
2419 2006-05-13 Richard Guenther <rguenther@suse.de>
2421 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
2424 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
2426 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
2427 information attached to non-INSNs such as NOTEs.
2428 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2430 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
2432 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
2434 * config/s390/s390.md: Adjust comment describing On constraint.
2436 2006-05-11 Jan Hubicka <jh@suse.cz>
2438 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
2439 to be output at -O0.
2441 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2444 * fold-const.c (size_binop): Move sanity check for arguments to
2445 the beginning of the function.
2448 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
2451 2006-05-11 Richard Guenther <rguenther@suse.de>
2454 * fold-const.c (fold_unary): Handle intermediate conversion
2455 to a pointer type like intermediate conversion to an integer
2456 type in folding of (T1)(T2)var to var.
2457 Match the code to the comment in the final conversion for
2458 (T1)(T2)var to (T1)var regarding to type precision. Rather
2459 than disallow T1 being of pointer type, assert that both T1
2460 and var are of pointer type or not. Make sure not to fall
2461 over the frontends lazyness wrt array to pointer decay though.
2463 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
2465 * arm.c (arm_struct_value_rtx): Delete.
2466 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
2467 (arm_init_cumulative_args): Always initialize nregs to zero.
2469 2006-05-10 Richard Guenther <rguenther@suse.de>
2471 PR tree-optimization/27532
2472 * tree-object-size.c (plus_expr_object_size): Fix typo.
2474 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
2477 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
2478 ashrdi_const, ashrdi3): Use a scratch register.
2480 2006-05-10 Richard Guenther <rguenther@suse.de>
2482 PR tree-optimization/27302
2483 * fold-const.c (operand_equal_p): For two comparisons,
2484 try comparison of one comparison code swapped if that yields
2487 2006-05-10 Ben Elliston <bje@au.ibm.com>
2489 * tree-pretty-print.c (pretty_print_string): No need to handle
2490 '\0' as a special character.
2492 * tree.h: Include "hashtab.h".
2493 (iterative_hash_expr): Use hashval_t in its prototype.
2494 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2496 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2499 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2500 (hppa*64*-*-hpux11*): Ditto.
2501 (hppa[12]*-*-hpux11*): Ditto.
2503 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2506 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2508 2006-05-09 Michael Matz <matz@suse.de>
2510 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2511 host_extra_gcc_objs and host_xmake_file.
2512 (<*-*-linux*>): Don't overwrite host_xmake_file.
2513 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2514 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2515 (host_detect_local_cpu): Declare.
2516 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2517 * config/i386/i386.c (override_options): Handle -mtune=native
2519 * config/i386/x-i386: New file.
2520 * config/i386/driver-i386.c: New file.
2521 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2524 2006-05-09 Dirk Mueller <dmueller@suse.de>
2525 Richard Guenther <rguenther@suse.de>
2528 * fold-const.c (fold_read_from_constant_string): Relax check
2529 for matching types to matching modes.
2531 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2533 PR rtl-optimization/27335
2534 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2537 2006-05-08 Chao-ying Fu <fu@mips.com>
2538 Richard Sandiford <richard@codesourcery.com>
2540 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2541 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2542 * config/mips/mips.md (UNSPEC_SCC): New constant.
2543 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2544 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2545 (mips_emit_compare): Use it.
2546 (mips_expand_vcondv2sf): New function.
2548 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2550 Fix PR tree-optimization/27093
2551 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2552 renaming when they become not-used_alone.
2554 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2556 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2557 relocation and relocation stubs.
2559 2006-05-08 Eric Christopher <echristo@apple.com>
2561 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2564 2006-05-08 Jan Hubicka <jh@suse.cz>
2567 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2568 unused static functions are needed.
2570 2006-05-08 Roger Sayle <roger@eyesopen.com>
2573 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2574 of a reg_equiv_constant if the result is a legitimate constant.
2576 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2579 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2580 standard 80387 constants, raise the cost to prevent
2581 compress_float_constant() to generate load from memory.
2583 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2585 * config/arm/constraints.md (c): Fix a typo.
2587 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2590 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2593 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2595 (_mm_mwait): Likewise.
2597 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2599 (sse3_monitor): Make it 32bit only.
2600 (sse3_monitor64): New. 64bit monitor.
2602 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2605 * config/i386/i386.c (classify_argument): Skip fields with invalid
2608 2006-05-07 Richard Guenther <rguenther@suse.de>
2610 PR tree-optimization/27409
2611 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2612 Do not try to find zero-sized subvars.
2614 2006-05-07 Richard Guenther <rguenther@suse.de>
2616 PR tree-optimization/27136
2617 * tree-ssa-loop-niter.c (get_val_for): Correct function
2618 comment, assert requirements.
2619 (loop_niter_by_eval): Stop processing if the iterated
2620 value did not simplify.
2622 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2624 * opts.c (flag_see): remove its setting at -O3.
2626 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2628 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2629 * arm/constraints.md: New file.
2630 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2631 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2632 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2633 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2634 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2635 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2636 * arm.md: Include constraints.md.
2637 (thumb_movsi_insn): Use satisfies_constraint_J.
2638 (movhi, movqi): Use satisfies_constraint_I.
2640 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2642 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2643 for atmeg a645 device.
2645 2006-05-06 Richard Guenther <rguenther@suse.de>
2647 PR tree-optimization/27151
2648 * tree-vect-transform.c (vectorizable_condition): Punt on
2649 values that have a different type than the condition.
2651 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2654 * c-parser.c (c_parser_cast_expression): Only insert casts into
2655 hash table if pointer.
2656 * function.c (used_types_insert_helper): Rename from
2658 (used_types_insert): Call used_types_insert_helper.
2659 * function.h (used_types_insert): Accept only one argument.
2661 2006-05-05 David Edelsohn <edesohn@gnu.org>
2663 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2664 scratch with output modifier.
2666 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2669 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2670 with output modifier.
2672 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2675 * config/mips/mips.c (mips_symbolic_address_p): Return true
2676 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2677 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2679 2006-05-04 Richard Guenther <rguenther@suse.de>
2681 PR tree-optimization/14287
2682 PR tree-optimization/14844
2683 PR tree-optimization/19792
2684 PR tree-optimization/21608
2685 PR tree-optimization/27090
2686 * tree-ssa-pre.c (try_combine_conversion): New function.
2687 (compute_avail): After constructing the value-handle
2688 expression, use try_combine_conversion to combine NOP_EXPRs
2689 with previous value-handle expressions and use the result if it
2692 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2694 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2696 2006-05-04 Jan Hubicka <jh@suse.cz>
2699 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2701 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2703 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2704 that this only matches CONST_INTs. All users changed to VOIDmode
2707 * config/bfin/bfin.c: Include "optabs.h".
2708 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2710 (enum bfin_builtins): Add a number of fractional and vector builtins.
2711 (bfin_init_builtins): Likewise.
2712 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2713 (safe_vector_operand, bfin_expand_binop_builtin,
2714 bfin_expand_unop_builtin): New functions.
2715 (bfin_expand_builtin): Handle the new builtins.
2716 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2719 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2722 * Makefile.in (OBJS-common): Add see.o.
2723 (see.o): Add dependencies.
2724 * common.opt (fsee): New flag for the see optimization was added.
2725 * opts.c (flag_see): Initialized.
2726 * passes.c (init_optimization_passes, pass_see): New pass.
2727 * rtl.h (see_main): Declaration as extern.
2728 * timevar.def (TV_SEE): New.
2729 * tree-pass.h (pass_see): Declaration as extern.
2730 * invoke.texi (-fsee): Document.
2731 * recog.c (validate_simplify_insn): New function.
2732 * recog.h (validate_simplify_insn): Declaration as extern.
2733 * df-problems.c (df_chain_dump): Check for NULL.
2735 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2736 Daniel Berlin <dberlin@dberlin.org>
2738 * cfgrtl.c (insert_insn_bb_end_new): New function.
2739 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2741 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2743 * df.h (struct web_entry): Moved from web.c.
2744 (union_defs): Declaration as extern.
2745 (unionfind_root): Likewise.
2746 (unionfind_union): Likewise.
2747 * web.c (struct web_entry): Moved to df.h.
2748 (unionfind_root): Remove static declaration.
2749 (unionfind_union): Likewise.
2750 (union_defs): Likewise and generalize to use callback function.
2751 (web_main): Update arguments for union_defs function call.
2753 2006-05-04 Richard Guenther <rguenther@suse.de>
2755 PR tree-optimization/26447
2756 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2757 produce SSA_NAME copies before the store stmt to avoid
2758 breaking exception handling.
2760 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2763 * gimplify.c (omp_is_private): If var is shared in some outer context,
2764 return false instead of true. Stop searching on parallel context
2767 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2770 * coverage.c: Use get_gcov_unsigned_t() instead of
2771 unsigned_type_node all over.
2773 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2775 PR tree-optimization/27381
2776 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2777 maintain the same immediate_use links.
2778 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2779 node rather than segfaulting.
2781 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2784 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2785 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2786 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2788 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2790 Fix PR tree-optimization/26626
2791 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2793 * tree-ssa-operands.c (access_can_touch_variable): Allow
2794 typecasting through union pointers.
2796 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2799 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2800 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2801 to find if var will be a global variable even in the nested context.
2802 (omp_copy_decl): Only check for global variable at the end, it might
2803 be overridden in outer contexts.
2804 (scan_sharing_clauses): For global variables don't create a field.
2805 (lower_rec_input_clauses): Do nothing for global shared variables.
2806 Emit a barrier at the end of ILIST if there were any decls in both
2807 firstprivate and lastprivate clauses.
2808 (lower_send_clauses): Do nothing for global variables except for
2811 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2813 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2814 of the correct signedness is returned.
2816 2006-05-02 Jeff Law <law@redhat.com>
2818 PR tree-optimization/27364
2819 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2820 multiply expressions.
2822 2006-05-02 Tom Tromey <tromey@redhat.com>
2824 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2826 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2829 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2830 -mthumb -fPIC are used.
2832 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2833 Joshua Kinard <kumba@gentoo.org>
2836 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2837 with 64-bit pointers.
2839 2006-05-02 Paul Brook <paul@codesourcery.com>
2841 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2843 (create_fix_barrier): Check that a suitable barrier location is
2845 (arm_reorg): Include ftmp->address in allowable range of addresses.
2847 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2850 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2853 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2856 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2857 around RESULT_DECL for result passed by reference.
2858 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2859 * omp-low.c (use_pointer_for_field): Don't look at
2860 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2861 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2862 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2863 time or var for passing by reference for
2864 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2865 TREE_ADDRESSABLE variables when passing by reference.
2867 * omp-low.c (dump_omp_region): Fix output formatting.
2870 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2871 (expand_omp_parallel): Likewise.
2872 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2875 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2876 on statement list containing also constructors and destructors.
2877 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2880 * except.c (duplicate_eh_regions): Fix clearing of
2881 cfun->eh->region_array entries.
2883 2006-05-01 DJ Delorie <dj@redhat.com>
2885 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2887 (gcc_cv_objdump): Likewise.
2888 * configure: Regenerated.
2890 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2893 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2894 templates for case 3 and 4.
2896 2006-05-01 DJ Delorie <dj@redhat.com>
2898 * vec.c: Include bconfig.h when appropriate.
2899 * Makefile.in (build/vec.o): Adjust dependencies.
2900 * mkconfig.sh: Make sure config.h isn't used for build machine
2903 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2905 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2907 (mark_phi_for_rewrite): New function.
2908 (insert_phi_nodes_for, mark_use_interesting): Call
2909 mark_phi_for_rewrite.
2910 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2911 (update_ssa): Initialize and free phis_to_rewrite.
2913 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2915 PR rtl-optimization/27291
2916 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2917 folded to a constant.
2919 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2921 PR tree-optimization/27283
2922 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2923 not whole # of iteration descriptions.
2924 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2925 uses abnormal ssa name.
2926 (niter_for_single_dom_exit): Ditto.
2927 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2928 return just the number of iterations.
2930 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2932 PR tree-optimization/27144
2933 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2934 (record_estimate): Only record constant upper bound.
2935 (infer_loop_bounds_from_undefined): Call
2936 compute_estimated_nb_iterations just once.
2937 (proved_non_wrapping_p): Renamed to ...
2938 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2939 (convert_step_widening, scev_probably_wraps_p): Call
2940 n_of_executions_at_most instead of proved_non_wrapping_p.
2941 (substitute_in_loop_info): Do not replace values in bounds.
2942 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2945 2006-05-01 Richard Henderson <rth@redhat.com>
2948 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2949 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2952 2006-05-01 Roger Sayle <roger@eyesopen.com>
2954 * c-typeck.c (parser_build_binary_op): Don't call the function
2955 unsigned_conversion_warning to spot operand/result type overflow.
2956 (build_binary_op): Instead, call convert_and_check instead of
2957 convert to report the problem when the operands are promoted.
2958 * c-common.c (unsigned_conversion_warning): Make static.
2959 * c-common.h (unsigned_conversion_warning): Delete prototype.
2961 2006-05-01 Richard Guenther <rguenther@suse.de>
2963 PR tree-optimization/26726
2964 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2966 (find_interesting_uses_address): ... we work around here
2967 by folding INDIRECT_REFs in the substituted base.
2969 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2971 * omp-low.c (dump_omp_region): Add newlines.
2973 2006-04-30 Roger Sayle <roger@eyesopen.com>
2975 * common.opt (Woverflow): New command line option.
2976 * c-common.c (constant_expression_warning): Check warn_overflow.
2977 (overflow_waring): Pass OPT_Woverflow to warning.
2978 (unsigned_conversion_warning): Likewise.
2979 (convert_and_check): Likewise.
2980 * doc/invoke.texi: Document new command line option.
2982 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2984 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2985 TARGET_NO_FP_IN_TOC for section anchors.
2986 (optimization_options): Enable section anchors for all
2987 non-"Objective" languages.
2989 2006-04-28 Eric Christopher <echristo@apple.com>
2991 * config/darwin-c.c (darwin_ms_struct): Move this
2992 (darwin_set_default_type_attributes): and this...
2993 * config/darwin.c: ... here.
2994 * config/darwin.h (darwin_ms_struct): Declare.
2996 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2998 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
3000 2006-04-28 Roger Sayle <roger@eyesopen.com>
3003 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
3004 (push_array_bounds): Delete prototype. Change BOUNDS argument to
3005 an unsigned HOST_WIDE_INT.
3006 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
3008 (really_start_incremental_init): No need to call convert because
3009 bitsize_zero_node is already of type bitsizetype.
3010 (push_init_level): Extract the value of constructor_index as an
3011 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
3012 (process_init_element): Likewise.
3014 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
3016 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
3017 value before passing to make_relative_prefix.
3019 2006-04-28 Alan Modra <amodra@bigpond.net.au>
3022 * builtins.c (expand_builtin_memset): Expand val in original mode.
3024 2006-04-27 Eric Christopher <echristo@apple.com>
3026 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
3027 with #ifndef/#endif.
3028 * config/darwin-c.c (darwin_ms_struct): New.
3029 (darwin_pragma_ms_struct): Ditto.
3030 (darwin_set_default_type_attributes): Ditto.
3031 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
3032 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
3033 Register ms_struct pragma.
3034 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
3035 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
3036 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
3037 darwin_set_default_type_attributes if TARGET_MACHO.
3039 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
3041 PR tree-optimization/26854
3042 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
3043 * doc/tree-ssa.texi: Update immuse iterator documentation.
3044 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
3045 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
3046 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
3047 first_safe_imm_use, next_safe_imm_use): Remove.
3048 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
3049 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
3050 (move_use_after_head): New. Helper function to sort immuses in a stmt.
3051 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
3052 (first_imm_use_stmt): New. Get first stmt in an immuse list.
3053 (next_imm_use_stmt): New. Get next stmt in an immuse list.
3054 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
3055 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
3056 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
3057 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
3058 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
3059 (perfect_nestify): Use new iterator.
3060 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
3062 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
3063 (next_imm_name): New field in struct immediate_use_iterator_d.
3064 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
3065 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
3066 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
3067 * tree-cfg.c (replace_uses_by): Use new iterator.
3068 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
3069 * tree-ssa-operands.c (correct_use_link): Remove.
3070 (finalize_ssa_use_ops): No longer call correct_use_link.
3072 2006-04-27 Stuart Hastings <stuart@apple.com>
3074 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
3075 * config/t-darwin (crt3.o): Use it.
3076 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
3077 'pmode', use Pmode instead of SImode for SYMBOL_REF.
3078 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
3079 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
3080 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
3083 2006-04-27 Roger Sayle <roger@eyesopen.com>
3085 * expmed.c (store_fixed_bit_field): If we're not optimizing for
3086 size, force the intermediate into a new pseudo rather instead of
3087 performing both a bitwise AND and a bitwise IOR in memory.
3089 2006-04-27 Richard Guenther <rguenther@suse.de>
3091 PR rtl-optimization/26685
3092 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
3093 this one "max-flow-memory-locations".
3095 2006-04-27 Richard Guenther <rguenther@suse.de>
3097 PR tree-optimization/25148
3098 * tree-vrp.c (compare_values): Remove code dealing with
3099 comparisons against type min/max value. Honour overflow
3100 and negative constants in code dealing with comparisons
3101 of plus and minus expressions.
3102 (value_inside_range): Use fold_binary with LE_EXPR and
3103 GE_EXPR rather than compare_values.
3105 2006-04-27 Dirk Mueller <dmueller@suse.de>
3107 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
3110 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3112 * basic-block.h (safe_insert_insn_on_edge): Removed.
3113 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
3115 2006-04-26 David Edelsohn <edelsohn@gnu.org>
3116 Paolo Bonzini <bonzini@gnu.org>
3119 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
3120 (simplify_and_const_int): Same.
3122 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
3124 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
3126 2006-04-26 Jakub Jelinek <jakub@redhat.com>
3129 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
3130 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
3131 cgraph_global_info_ready.
3134 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
3137 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
3138 either decl or init is error_mark_node.
3141 * tree-flow.h (struct omp_region): Add sched_kind.
3142 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
3143 instead of extracting omp for data.
3144 (expand_omp_for): Save extracted sched_kind.
3146 2006-04-25 Roger Sayle <roger@eyesopen.com>
3148 * expmed.c (store_bit_field): Also check whether the bitsize is
3149 valid for the machine's "insv" instruction before moving the
3150 target into a pseudo for use with the insv.
3151 * config/i386/predicates.md (const8_operand): New predicate.
3152 * config/i386/i386.md (extv, extzv, insv): Use the new
3153 const8_operand predicate where appropriate.
3155 2006-04-25 DJ Delorie <dj@redhat.com>
3157 * doc/install.texi (Specific): Clarify that this is not a list of
3158 supported hosts or targets.
3160 2006-04-25 Richard Sandiford <richard@codesourcery.com>
3162 PR rtl-optimization/26725
3163 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
3164 block's BB_DIRTY flag.
3166 2006-04-25 Geoffrey Keating <geoffk@apple.com>
3168 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
3171 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
3172 to print an integer.
3174 2006-04-25 David Edelsohn <edelsohn@gnu.org>
3176 * varasm.c (align_variable): New function.
3177 (get_block_for_decl): Apply align_variable to DECL before
3178 calculating section information.
3179 (assemble_variable): Split out alignment computation.
3181 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
3183 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
3186 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
3188 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
3189 MODE_PARTIAL_INT mode.
3190 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
3191 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
3193 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
3194 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
3196 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
3198 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
3200 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
3201 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
3202 MACFLAG_IH): Likewise.
3203 (movstricthi_1): Renamed from "*movstricthi".
3204 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
3205 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
3206 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
3207 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
3208 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
3209 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
3210 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
3211 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
3212 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
3213 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
3214 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
3215 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
3216 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
3217 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
3218 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
3220 * doc/rtl.texi (ss_ashift): Improve wording.
3222 2006-04-24 Geoffrey Keating <geoffk@apple.com>
3224 * dwarf2out.c (verify_marks_clear): New.
3225 (prune_unused_types): Call verify_marks_clear initially, not
3228 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3230 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
3231 * doc/rtl.texi: Document them.
3232 * simplify-rtx.c (simplify_unary_operation,
3233 simplify_binary_operation_1): Don't abort when we see them.
3235 2006-04-24 Mark Mitchell <mark@codesourcery.com>
3238 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3239 * configure.ac: Completely disregard languages that are not
3241 * configure: Regenerated.
3243 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3244 Richard Guenther <rguenther@suse.de>
3246 PR tree-optimization/27236
3247 * tree-inline.c (copy_body_r): Make sure to copy
3248 TREE_THIS_VOLATILE flag.
3250 2006-04-24 Richard Guenther <rguenther@suse.de>
3253 * tree-complex.c (update_parameter_components): Don't handle
3254 unused parameters which have no default def.
3256 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
3257 Richard Guenther <rguenther@suse.de>
3259 PR tree-optimization/27218
3260 * tree-inline.c (expand_call_inline): Strip useless type
3261 conversions for the return slot address.
3263 2006-04-24 Richard Guenther <rguenther@suse.de>
3265 * cfgloop.h (struct loops): Remove unused field array. Reorder
3267 (LOOP_PREFETCH): Remove.
3269 2006-04-24 Richard Guenther <rguenther@suse.de>
3271 PR tree-optimization/22525
3272 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
3273 variable, adjust types of generated expressions.
3275 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
3277 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
3278 (tree-vect-patterns.o): Likewise.
3280 (cselib.o): Likewise.
3281 (loop-doloop.o): Likewise.
3282 (regclass.o): Likewise.
3283 (reload1.o): Likewise.
3284 (explow.o): Replace target.h with $(TARGET_H).
3285 (ipa-prop.o): Likewise.
3286 (ipa-cp.o): Likewise.
3287 (ipa-inline.o): Likewise.
3288 (reorg.o): Likewise.
3289 (reg-stack.o): Likewise.
3291 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3293 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
3295 2006-04-23 Mark Mitchell <mark@codesourcery.com>
3297 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
3299 * configure.ac: Completely disregard languages that are not
3301 * configure: Regenerated.
3304 * c-common.h (c_build_bitfield_integer_type): Declare.
3305 * c-decl.c (c_build_bitfield_integer_type): Move to ...
3306 * c-common.c (c_build_bitfield_integer_type): ... here.
3308 2006-04-23 Roger Sayle <roger@eyesopen.com>
3311 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
3312 a SImode SUBREG of a floating point register after no_new_pseudos.
3314 2006-04-23 Roger Sayle <roger@eyesopen.com>
3316 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
3317 identify potentially eliminable registers to additionally catch
3318 VIRTUAL_INCOMING_ARGS_REGNUM.
3319 (addsi3): Update the conditions on when to use addsi_small_int.
3321 2006-04-23 Roger Sayle <roger@eyesopen.com>
3324 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
3325 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
3326 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
3328 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
3330 * fold-const.c (range_predecessor): Use operand_equal_p
3331 as the predicate for equality.
3332 (range_successor): Likewise.
3334 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3337 * config/soft-fp/op-common.h: Fix a typo.
3339 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
3342 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
3343 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
3345 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
3347 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
3349 * doc/tm.texi: Fix a typo.
3351 2006-04-21 Geoffrey Keating <geoffk@apple.com>
3353 * dwarf2out.c (struct die_struct): Document that die_sib makes
3354 a circular linked list.
3355 (FOR_EACH_CHILD): New.
3356 (reverse_die_lists): Delete.
3357 (reverse_all_dies): Delete.
3358 (add_dwarf_attr): Correct documentation.
3359 (remove_child_with_prev): New.
3360 (remove_child_TAG): Update for change to die_struct, use
3361 remove_child_with_prev.
3362 (add_child_die): Update for change to die_struct.
3363 (splice_child_die): Use remove_child_with_prev and add_child_die.
3364 (print_die): Use FOR_EACH_CHILD.
3365 (die_checksum): Likewise.
3366 (assign_symbol_names): Likewise.
3367 (output_location_lists): Likewise.
3368 (build_abbrev_table): Likewise.
3369 (calc_die_sizes): Likewise.
3370 (mark_dies): Likewise.
3371 (unmark_dies): Likewise.
3372 (unmark_all_dies): Likewise.
3373 (output_die): Likewise.
3374 (prune_unused_types_mark): Likewise.
3375 (prune_unused_types_walk): Likewise.
3376 (same_die_p): Update for change to die_struct.
3377 (break_out_includes): Likewise.
3378 (prune_unused_types_prune): Likewise.
3379 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
3380 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
3382 (dwarf2out_finish): Don't call reverse_all_dies.
3384 2006-04-21 Eric Christopher <echristo@apple.com>
3386 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
3387 in comments and function names.
3389 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3392 * c-typeck.c (digest_init): Robustify.
3394 * c-typeck.c (pop_init_level): Simplify.
3396 2006-04-21 Steve Ellcey <sje@cup.hp.com>
3398 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
3400 2006-04-21 Paul Brook <paul@codesourcery.com>
3402 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
3403 hardware floating point.
3405 2006-04-21 David Edelsohn <edelsohn@gnu.org>
3407 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
3410 2006-04-21 Nick Clifton <nickc@redhat.com>
3412 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
3415 2006-04-21 Alan Modra <amodra@bigpond.net.au>
3418 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
3419 C++ lang type in traceback table for Objective-C++.
3421 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
3423 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
3425 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
3427 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3430 * tree-mudflap.c (mudflap_finish_file): Skip function when there
3431 were errors. Remove check for erroneous objects.
3433 2006-04-20 Jeff Law <law@redhat.com>
3435 PR tree-optimization/26854
3436 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
3437 checking for zero or one use.
3438 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
3439 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
3440 * tree-ssa-reassoc.c (negate_value): Similarly.
3441 (reassociate_bb): Similarly.
3443 2006-04-20 Jakub Jelinek <jakub@redhat.com>
3445 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
3446 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
3447 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
3449 2006-04-20 Alan Modra <amodra@bigpond.net.au>
3451 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
3452 fp regs if the last fp arg doesn't fit in regs.
3454 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
3457 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
3458 that the last insn has the REG_INC note.
3460 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
3461 Nathan Sidwell <nathan@codesourcery.com>
3464 * stor-layout.c (update_alignment_for_field): Do not align
3466 (place_union_field): Place union field at the start of the union.
3467 (place_field): Move ERROR_MARK check later, and use the current
3468 allocation position to maintain monotonicity.
3470 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
3472 * dominance.c: Include timevar.h.
3473 (calculate_dominance_info): Use TV_DOMINANCE.
3474 * timevar.def (TV_DOMINANCE): New timevar.
3475 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
3477 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3479 PR rtl-optimization/14261
3480 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
3481 move would be an INSV insn.
3482 (noce_process_if_block): Don't optimize if the destination is a
3483 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
3485 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3487 * config/s390/s390.md: Add comments with the instructions emitted
3488 by an insn pattern if macros are used.
3490 2006-04-19 Alan Modra <amodra@bigpond.net.au>
3492 PR rtl-optimization/26026
3493 * fold-const.c (fold_binary): Optimize div and mod where the divisor
3494 is a known power of two shifted left a variable amount.
3496 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3498 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3499 to hash table twice when the debug_str section has SECTION_MERGE.
3501 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3503 * config/soft-fp: New directory. From glibc.
3504 * config/soft-fp/t-softfp: New.
3505 * config/soft-fp/README: New.
3506 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3507 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3508 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3509 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3510 * config.gcc: Use rs6000/t-fprules-fpbit or
3511 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3513 * config/rs6000/sfp-machine.h: New. Based on glibc.
3514 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3516 * config/rs6000/t-fprules: Remove fp-bit rules.
3517 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3518 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3519 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3520 (softfp_wrap_start, softfp_wrap_end): New.
3522 2006-04-18 DJ Delorie <dj@redhat.com>
3524 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3526 2006-04-18 Devang Patel <dpatel@apple.com>
3528 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3530 2006-04-18 Nick Clifton <nickc@redhat.com>
3532 * config/sh/t-symbian: Add rule to build sh-c.o
3533 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3534 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3535 (sh_symbian_encode_section_info): Likewise.
3537 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3539 * builtins.c (expand_builtin_strcmp): Cover label definition of
3540 do_libcall with HAVE_cmpstrnsi.
3542 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3544 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3546 * function.h (temp_slot_p): New.
3547 (function): Change the type of x_used_temp_slots to
3548 VEC(temp_slot_p,gc) *.
3550 2006-04-18 Nick Clifton <nickc@redhat.com>
3552 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3553 flag_strength_reduce.
3555 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3557 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3561 Partial revert of revision 112637
3562 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3563 Dale Johannesen <dalej@apple.com>
3566 * regclass.c (struct reg_pref): Update documentation.
3567 (regclass): Set prefclass to NO_REGS if memory is the best option.
3568 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3570 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3572 PR tree-optimization/26821
3573 * tree-ssa-math-opts.c (get_constant_one): New.
3574 (insert_reciprocals): Use it.
3576 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3578 * dwarf2out.c (free_AT): Delete.
3579 (remove_AT): Update string ref counts.
3580 (remove_child_TAG): Don't call free_die.
3582 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3583 or DW_TAG_GNU_EINCL.
3584 (prune_unused_types_walk_attribs): Reset string refcounts.
3585 (prune_unused_types_update_strings): New.
3586 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3587 call free_die. Do call prune_unused_types_update_strings.
3588 (prune_unused_types): Empty debug_str_hash.
3590 2006-04-17 Roger Sayle <roger@eyesopen.com>
3592 * expr.c (expand_assignment): Optimize away no-op moves where the
3593 source and destination are equal and have no side-effects.
3595 2006-04-17 Richard Guenther <rguenther@suse.de>
3598 * reload.c (push_reload): Guard calls to get_secondary_mem
3601 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3603 * alias.c (reg_base_value, old_reg_base_value): Change the
3604 type to VEC(rtx,gc) *.
3605 (REG_BASE_VALUE, find_base_value, record_set,
3606 init_alias_analysis): Use VEC instead of VARRAY.
3608 * alias.c (alias_sets): Change the type to
3609 VEC(alias_set_entry,gc) *.
3610 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3611 VEC instead of VARRAY.
3612 (last_alias_set): Remove.
3614 * cgraph.h (cgraph_edge_p): New.
3615 Update the prototype of cgraph_function_versioning.
3616 * cgraphunit.c (cgraph_copy_node_for_versioning,
3617 cgraph_function_versioning): Use VEC instead of VARRAY.
3618 * ipa-cp.c (ipcp_insert_stage): Likewise.
3620 2006-04-16 Roger Sayle <roger@eyesopen.com>
3623 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3624 "A op B" or "A op C", we may need to convert A to the type of B and C.
3626 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3628 * target.h (struct gcc_target): Add mode_rep_extended.
3629 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3630 (init_num_sign_bit_copies_in_rep): Initialize it using
3632 (truncate_to_mode): Use it.
3633 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3634 * targhooks.h (default_mode_rep_extended): Declare it.
3635 * targhooks.c (default_mode_rep_extended): Define it.
3636 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3637 default_mode_rep_extended.
3638 (TARGET_INITIALIZER): Include it.
3639 * doc/tm.texi (Misc): Document it.
3640 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3641 (mips_truncated_to_mode): New function.
3643 2006-04-16 Roger Sayle <roger@eyesopen.com>
3646 * expr.c (compress_float_constant): Copy the narrow constant into
3647 a new pseudo before extending it to its final width.
3649 2006-04-16 Roger Sayle <roger@eyesopen.com>
3650 Andrew Pinski <pinskia@gcc.gnu.org>
3651 Dale Johannesen <dalej@apple.com>
3654 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3655 special case code to implement V8HImode and V16QImode with SSE2.
3657 2006-04-15 Roger Sayle <roger@eyesopen.com>
3659 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3660 trees are constructed with a suitable tree type.
3662 2006-04-15 Roger Sayle <roger@eyesopen.com>
3664 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3665 (integer_onep): Likewise.
3666 (integer_all_onesp): Likewise.
3667 (integer_pow2p): Likewise.
3668 (integer_nonzerop): Likewise.
3669 (real_zerop): Likewise.
3670 (real_onep): Likewise.
3671 (real_twop): Likewise.
3672 (real_minus_onep): Likewise.
3673 (int_size_in_bytes): Likewise.
3674 (host_integerp): Likewise.
3676 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3678 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3679 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3680 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3682 * tree-ssa-structalias.h (alias_info): Remove num_references.
3684 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3686 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3687 (output_bvb patterns): Likewise.
3688 * pa.c (output_bb): Use 'bb' insn for long branch case.
3689 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3690 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3691 1. Correct length operand for alternatives 1 and 2.
3692 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3693 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3695 2006-04-14 Roger Sayle <roger@eyesopen.com>
3697 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3698 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3699 were accidentally reverted by r112959.
3701 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3704 * except.h (eh_region_outermost): New prototype.
3705 * except.c (eh_region_outermost): New function.
3706 * tree-cfg.c (find_outermost_region_in_block): Use it.
3708 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3710 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3712 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3713 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3714 (init_reload, reload): Use VEC instead of VARRAY.
3715 * reload.h: Update the prototype for
3716 reg_equiv_memory_loc_varray.
3718 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3719 Eric Botcazou <ebotcazou@libertysurf.fr>
3721 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3724 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3727 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3728 to expand fallback builtin function call.
3730 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3733 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3734 and emit libcall here in case the builtin fails.
3735 (expand_builtin_strcmp): Always emit the libcall here on failure.
3737 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3739 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3740 * flow.c (reg_n_info): Change the type to
3741 VEC(reg_info_p,heap) *.
3742 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3744 * regs.h (reg_info_p): New.
3745 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3746 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3747 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3750 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3752 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3754 * params.h (MAX_SCHED_READY_INSNS): New macro.
3755 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3756 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3757 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3758 the ready list for 1 cycle during the first scheduling pass.
3759 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3761 2006-04-13 Richard Henderson <rth@redhat.com>
3764 * gimple-low.c (lower_omp_directive): Remove dead code.
3765 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3766 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3767 * omp-low.c (struct omp_region): Move to tree-flow.h.
3768 (root_omp_region): Export.
3769 (omp_regions, lookup_omp_region): Remove.
3770 (determine_parallel_type): Update for struct omp_region changes.
3771 (dump_omp_region): Dump regions with block numbers.
3772 (new_omp_region): Take type and block instead of stmt; malloc
3774 (free_omp_region_1, free_omp_regions): New.
3775 (expand_parallel_call): Take entry_stmt as argument; update for
3776 changes to omp_region.
3777 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3778 (remove_exit_barriers): New.
3779 (expand_omp_parallel): Update for struct omp_region changes.
3780 (expand_omp_synch): Likewise.
3781 (expand_omp): Likewise.
3782 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3783 (expand_omp_for_static_chunk): Likewise.
3784 (expand_omp_for): Likewise.
3785 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3786 (expand_omp_sections): Similarly, with GOMP_sections_end.
3787 (expand_omp_single): New.
3788 (build_omp_regions_1): Update for OMP_CONTINUE.
3789 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3790 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3791 OMP_SECTIONS_SECTIONS.
3792 (lower_omp_single_simple): Don't emit barrier here.
3793 (lower_omp_single_copy): Likewise.
3794 (lower_omp_single): Fix bindings, and lower to straightline now.
3795 (lower_omp_master, lower_omp_ordered): Likewise.
3796 (lower_omp_critical): Likewise.
3797 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3798 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3799 omp edges, free it afterward.
3800 (make_omp_sections_edges): Remove.
3801 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3802 (move_stmt_r): Handle OMP_CONTINUE.
3803 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3804 statement pointers to basic blocks. Add type member.
3805 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3806 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3807 * tree-inline.c (estimate_num_insns_1): Likewise.
3808 * tree-pretty-print.c (dump_generic_node): Likewise.
3809 * tree-ssa-operands.c (get_expr_operands): Likewise.
3810 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3811 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3812 (OMP_CONTINUE): New.
3813 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3814 (OMP_SECTIONS_SECTIONS): Remove.
3815 (OMP_SECTION_LAST): New.
3816 (OMP_RETURN_NOWAIT): New.
3818 2006-04-13 Roger Sayle <roger@eyesopen.com>
3820 * fold-const.c (native_encode_vector, native_interpret_real):
3821 Correct obvious mistakes in the previous check-in.
3823 2006-04-13 Roger Sayle <roger@eyesopen.com>
3825 * fold-const.c (native_encode_expr): New function to encode
3826 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3827 or VECTOR_CST into a specified buffer.
3828 (native_encode_int): New function.
3829 (native_encode_real): New function.
3830 (native_encode_complex): New function.
3831 (native_encode_vector): New function.
3832 (native_interpret_expr): Inverse of native_encode_expr to convert
3833 a target representation into an INTEGER_CST, REAL_CST etc...
3834 (native_interpret_int): New function.
3835 (native_interpret_real): New function.
3836 (native_interpret_complex): New function.
3837 (native_interpret_vector): New function.
3838 (fold_view_convert_expr): New function to constant fold/evaluate
3839 a VIEW_CONVERT_EXPR of a suitable constant expression.
3840 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3841 Change call of build1 to fold_build1 when constructing a
3844 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3845 Ulrich Weigand <uweigand@de.ibm.com>
3848 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3851 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3854 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3855 optimize to lo_sum for DFmode if !TARGET_FPRS.
3857 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3859 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3860 delete_alias_info, compute_flow_sensitive_aliasing,
3861 group_aliases): Use VEC instead of VARRAY.
3862 * tree-ssa-structalias.c (update_alias_info): Likewise.
3863 * tree-ssa-structalias.h (alias_info): Change the type of
3864 processed_ptrs to VEC(tree,heap) *.
3866 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3869 * config/sh/lib1funcs.h: New file, broken out of:
3870 * config/sh/lib1funcs.asm.
3871 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3873 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3874 * config/sh/lib1funcs-Os-4-200.asm: New file.
3875 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3876 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3877 (EXTRA_MULTILIB_PARTS): Include it.
3878 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3879 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3880 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3881 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3884 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3886 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3887 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3888 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3890 * tree-ssa-live.h: Include vecprim.h.
3891 (tree_partition_associator_d): Change the type of
3892 first_partition to VEC(int,heap) *.
3893 (tpa_first_partition): Use VEC instead of VARRAY.
3895 * Makefile.in (GTFILES): Move functions.h after tree.h.
3896 * function.c (reset_block_changes, record_block_change,
3897 check_block_change, free_block_changes): Use VEC instead of
3899 * function.h (function): Change the type of
3900 ib_boundaries_block to VEC(tree,gc) *.
3901 * tree-inline.c (copy_cfg_body): Initialize
3902 ib_boundaries_block to NULL instead of (varray_type) 0.
3904 2006-04-12 Roger Sayle <roger@eyesopen.com>
3906 * expr.c (emit_group_store): Correct operand order in call to
3907 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3908 a SUBREG_BYTE of zero.
3910 2006-04-12 Richard Guenther <rguenther@suse.de>
3912 * profile.c (compute_branch_probabilities): Remove code
3913 encapsulated in !ir_type (), which are remanents of the
3914 removed RTL profiling code.
3915 * rtl-profile.c: Remove.
3917 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3919 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3920 magic NULL_RTX comment.
3921 (function_arg): Store entire fp arg to mem if any part should go
3923 (rs6000_arg_partial_bytes): Adjust for above change.
3925 2006-04-11 Roger Sayle <roger@eyesopen.com>
3927 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3928 if it hasn't been initialized by dwarf2out_init.
3930 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3932 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3933 symbolic constants in branch patterns.
3935 2006-04-11 Roger Sayle <roger@eyesopen.com>
3937 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3939 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3941 PR rtl-optimization/27073
3942 * gcse.c (try_replace_reg): Revert last change. Continue to search
3943 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3946 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3948 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3949 aggregate types other than record and union types.
3950 (function_arg): Likewise.
3951 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3953 (function_value): In 64-bit mode, return objects that require it
3956 2006-04-11 Roger Sayle <roger@eyesopen.com>
3958 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3960 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3962 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3964 2006-04-03 Jeff Law <law@redhat.com>
3967 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3968 alias information too.
3970 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3972 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3974 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3977 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3978 (premark_used_types_helper): New.
3979 (premark_used_types): New.
3980 (gen_subprogram_die): Call premark_used_types.
3981 (prune_unused_types_walk): Do not prune perennial dies.
3982 * function.c (used_types_insert): New.
3983 * function.h (struct function): Add used_types_hash field.
3984 (used_types_insert): Add prototype.
3985 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3986 * c-parser.c (c_parser_cast_expression): Save casted types in used
3989 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3992 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3993 rs6000_explicit_options.float_gprs.
3995 2006-04-10 Roger Sayle <roger@eyesopen.com>
3997 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3998 from ix86_expand_vector_init_low_nonzero. Take an additional
3999 one_var argument indicating which element is non-zero. Support
4000 one_var != 0 for V4SFmode and V4SImode by permuting the result.
4001 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
4002 with one_var instead of ix86_expand_vector_init_low_nonzero.
4004 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
4006 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
4007 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
4008 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
4009 build/genextract.o): Depend on vecprim.h.
4010 * cfglayout.c, df-problems.c, function.c, genextract.c,
4011 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
4012 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
4016 2006-04-10 Geoffrey Keating <geoffk@apple.com>
4018 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4019 Declare VECs of this type.
4020 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
4021 (remove_children): Delete.
4022 (add_dwarf_attr): Use VEC routines.
4023 (add_AT_flag): Update for changes to add_dwarf_attr.
4024 (add_AT_int): Likewise.
4025 (add_AT_unsigned): Likewise.
4026 (add_AT_long_long): Likewise.
4027 (add_AT_vec): Likewise.
4028 (add_AT_string): Likewise.
4029 (add_AT_die_ref): Likewise.
4030 (add_AT_fde_ref): Likewise.
4031 (add_AT_loc): Likewise.
4032 (add_AT_loc_list): Likewise.
4033 (add_AT_addr): Likewise.
4034 (add_AT_lbl_id): Likewise.
4035 (add_AT_lineptr): Likewise.
4036 (add_AT_macptr): Likewise.
4037 (add_AT_offset): Likewise.
4038 (add_AT_range_list): Likewise.
4039 (get_AT): Use VEC_iterate.
4040 (remove_AT): Use VEC_ordered_remove.
4041 (free_die): Fold remove_children into here; have it use VEC_iterate.
4042 (print_die): Use VEC_iterate on attrs.
4043 (reverse_die_lists): Don't reverse attr lists.
4044 (die_checksum): Use VEC_iterate on attrs.
4045 (same_die_p): Likewise.
4046 (output_location_lists): Likewise.
4047 (build_abbrev_table): Likewise.
4048 (size_of_die): Likewise.
4049 (unmark_all_dies): Likewise.
4050 (output_abbrev_section): Likewise.
4051 (output_die): Likewise.
4052 (prune_unused_types_walk_attribs): Likewise.
4054 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4056 * doc/install.texi (*-*-solaris2*): Point to the configure page.
4058 2006-04-10 Jakub Jelinek <jakub@redhat.com>
4061 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
4063 2006-04-09 Roger Sayle <roger@eyesopen.com>
4065 * expr.c (store_constructor): Don't bother clearing target if
4066 we're about to assign a vector to it using vec_init_optab.
4068 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
4070 * tree-ssa-alias.c (lhs_may_store_to): New function.
4071 (recalculate_used_alone): Handle LHS of calls.
4073 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4077 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
4078 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
4079 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
4080 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
4081 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
4082 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
4083 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
4084 stubs. Add ".align 8" directives before all ".dword" directives.
4085 (GTHREAD_USE_WEAK): Revise comment.
4086 (TARGET_ATTRIBUTE_WEAK): Define.
4087 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
4088 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
4089 * stublib.c: New file.
4094 * pa.md (cbranch patterns): Revise arguments used in calls to
4095 output_cbranch, output_bb and output_bvd. Add long branch length
4097 (fbranch patterns): Handle long branches.
4098 (jump): Revise length check. Revise arguments for output_lbranch call.
4099 Add long branch length attributes.
4100 (decrement_and_branch_until_zero): Add long branch length attributes.
4101 (output_movb, output_parallel_addb and output_parallel_movb patterns):
4102 Likewise. Revise arguments for output_parallel_addb and
4103 output_parallel_movb calls.
4104 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
4105 output_parallel_movb and output_parallel_addb): Update prototypes.
4106 * pa.c (output_cbranch): Revise arguments. Correct handling of
4107 nullification in long branches.
4108 (output_lbranch): Add new argument to control extraction of delay
4110 (output_bb): Handle long branches.
4111 (output_bvb, output_dbra, output_movb, output_parallel_movb,
4112 output_parallel_addb): Likewise.
4114 2006-04-09 Richard Sandiford <richard@codesourcery.com>
4116 PR rtl-optimization/27073
4117 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
4120 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
4122 * tree.h (tree_memory_tag): Add old_used_alone.
4123 (SMT_OLD_USED_ALONE): New macro.
4124 * tree-ssa-alias.c (recalculate_used_alone): Stop
4125 marking things for renaming unnecessarily.
4127 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
4129 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
4130 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
4131 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
4132 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
4133 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
4134 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
4135 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
4136 spelling convensions.
4137 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
4138 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
4139 typos. Follow spelling conventions.
4141 2006-04-07 DJ Delorie <dj@redhat.com>
4143 * config/m32c/m32c.c (m32c_function_arg): Structures are always
4144 passed on the stack.
4145 (m32c_init_cumulative_args): When a function returns a structure,
4146 always pass the pointer to that return area on the stack.
4147 (m32c_function_arg_advance): Don't increment the parameter number
4148 if we're processing the returned structure pointer.
4149 (pushm_info): Reverse order of registers.
4151 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
4153 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
4154 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4155 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
4156 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
4158 * tree-chrec.c (chrec_fold_multiply_poly_poly,
4159 chrec_fold_multiply): Same.
4160 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
4161 force_expr_to_var_cost): Same.
4162 * tree-mudflap.c (mf_xform_derefs_1): Same.
4163 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
4165 2006-04-07 David Edelsohn <edelsohn@gnu.org>
4167 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
4168 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
4171 2006-04-07 Jan Hubicka <jh@suse.cz>
4173 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
4175 2006-04-07 Richard Guenther <rguenther@suse.de>
4177 PR tree-optimization/26135
4178 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
4179 loads for store copy-prop.
4180 (copy_prop_visit_stmt): Likewise.
4182 2006-04-05 Robert Millan <robertmh@gnu.org>
4184 * config/i386/linux.h: Add a comment to mark macros that are
4185 being overriden in config/k*bsd-gnu.h.
4186 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
4188 * config/knetbsd-gnu.h: Ditto.
4190 2006-04-06 Jan Hubicka <jh@suse.cz>
4194 * coverage.c (coverage_checksum_string): Reorganize loop to not read
4197 2006-04-06 Mike Stump <mrs@apple.com>
4199 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
4200 for HAVE_nonlocal_goto to be consistent.
4201 (expand_builtin_nonlocal_goto): Likewise.
4202 (expand_builtin_strcmp): Use #ifdef instead of #if
4203 for HAVE_cmpstrnsi to be consistent.
4205 2006-04-05 DJ Delorie <dj@redhat.com>
4207 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
4210 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
4212 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
4213 got-relative addressing for anything but SImode.
4215 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
4216 even if the calling function doesn't modify them.
4218 2006-04-05 Richard Guenther <rguenther@suse.de>
4220 PR tree-optimization/26919
4221 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
4222 to cgraph_estimate_size_after_inlining.
4224 2006-04-05 Alan Modra <amodra@bigpond.net.au>
4226 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
4228 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
4230 PR tree-optimization/26996
4231 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
4232 VECTOR_TYPE variables.
4234 2006-04-05 Richard Guenther <rguenther@suse.de>
4236 PR tree-optimization/26763
4237 * fold-const.c (fold_comparison): Move folding of
4238 PTR + CST CMP PTR + CST ...
4239 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
4241 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
4243 * doc/install.texi (Prerequisites): Refine some wording on
4244 bootstrapping and ksh.
4245 Move the version numbers of DejaGnu here from the testing section
4246 and fix casing of names.
4247 Fix markup and clarify wording for autogen requirements.
4248 Refer to GCJ instead of just java.
4249 Refer to SVN instead of CVS.
4250 Describe diffutils as useful instead of necessary.
4251 (Downloading the source): Refer to SVN instead of CVS.
4252 Adjust a link to our web site accordingly.
4253 (Configuration): Fix casing of Bison.
4254 (Building): Refer to SVN instead of CVS.
4255 Fix a sentence on the use of Bison and remove duplicate (and
4256 incorrect) version number of Bison requirement.
4257 Remove one redundant list of packages needed for building.
4258 (Specific): Avoid reference to CVS.
4260 2006-04-04 Eric Christopher <echristo@apple.com>
4262 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
4263 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
4264 (rs6000_handle_struct_attribute): New.
4265 (rs6000_ms_bitfield_layout_p): Ditto.
4267 2006-04-04 Geoffrey Keating <geoffk@apple.com>
4269 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4270 NULL for dso parameter to atexit_common.
4272 2006-04-04 Eric Christopher <echristo@apple.com>
4274 * config/i386/i386.c (machopic_output_stub): Output \t
4275 between instructions and operands.
4277 2006-04-04 David Edelsohn <edelsohn@gnu.org>
4279 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
4280 satisfies_constraint_[IL] to explicit tests on value.
4282 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
4284 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4285 set_nb_iterations_in_loop): Use build_int_cst instead of
4287 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
4288 build_int_cst instead of convert.
4290 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
4292 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
4293 new value 2 for incoming.
4294 * function.c (expand_function_start): Call struct_value_rtx
4296 * config/sparc/sparc.md: Comment updated_return.
4297 * config/sparc/sparc.opt: Add -mstd-struct-return option.
4298 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
4299 struct return if sparc_std_struct_return and incoming is 2.
4300 (print_operand): Do not adjust return if
4301 sparc_std_struct_return.
4303 2006-04-04 Roger Sayle <roger@eyesopen.com>
4305 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
4306 convert in the middle-end.
4307 * expr.c (store_expr, store_constructor, get_inner_reference,
4308 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
4310 * tree.c (build_range_type): Likewise.
4312 2006-04-04 Tom Tromey <tromey@redhat.com>
4314 * doc/install.texi (Prerequisites): Mention jar.
4316 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
4318 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
4321 2006-04-04 Matthias Klose <doko@debian.org>
4323 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
4324 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
4327 2006-04-03 Geoffrey Keating <geoffk@apple.com>
4329 * doc/extend.texi (Function Attributes): Rewrite visibility
4330 attribute documentation.
4331 * doc/invoke.texi (C++ Dialect Options): Rewrite
4332 -fvisibility-inlines-hidden documentation to describe something
4333 entirely different, although in practise compatible.
4334 (Code Gen Options): Warn about system headers in -fvisibility=
4337 * doc/extend.texi (Other Builtins): Document that
4338 __builtin_nan is a compile-time constant only when its argument
4341 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
4343 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
4344 trying to remove TRUNCATE check if all bits outside the new mode
4345 are identical to the sign bit.
4347 2006-04-03 Jeff Law <law@redhat.com>
4349 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
4350 and operand scanning in some common cases.
4352 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
4353 Dale Johannesen <dalej@apple.com>
4356 * regclass.c (struct reg_pref): Update documentation.
4357 (regclass): Set prefclass to NO_REGS if memory is the best option.
4358 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4359 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
4360 into account. For non-registers, equate an empty preferred
4361 reload class to a `!' in the constraint; move the if clause to
4362 do so after those that reject the insn.
4363 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
4365 (find_dummy_reload): Likewise.
4366 * doc/tm.texi (Register Classes): Document what it means
4367 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
4368 * config/i386/i386.c (ix86_preferred_reload_class): Force
4369 using SSE registers (and return NO_REGS for floating-point
4370 constants) if math is done with SSE.
4371 (ix86_preferred_output_reload_class): New.
4372 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
4373 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
4374 * config/i386/i386.md: Remove # register preferences.
4376 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4379 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4380 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
4381 the type of nb_iter.
4382 (instantiate_parameters_1): Convert the operands before calling
4383 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
4384 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
4386 2006-04-02 Roger Sayle <roger@eyesopen.com>
4388 * builtins.c (dummy_object): Use build_int_cst instead of convert.
4389 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
4391 * dojump.c (do_jump): Likewise.
4392 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
4393 * gimplify.c (gimple_boolify, gimplify_init_constructor,
4394 gimplify_boolean_expr): Likewise.
4395 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4396 * varasm.c (array_size_for_constructor): Likewise.
4397 * tree-object-size.c (compute_object_offset): Likewise.
4399 2006-04-02 Roger Sayle <roger@eyesopen.com>
4402 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
4403 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
4405 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4407 PR tree-optimization/26939
4408 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
4410 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4412 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
4413 at_stmt. Convert the type of operands before calling
4414 build_polynomial_chrec.
4415 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
4417 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
4418 (instantiate_parameters_1): Convert the type of operands before calling
4419 build_polynomial_chrec.
4420 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
4421 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
4422 reset_evolution_in_loop): Insert asserts to check the types of the
4424 (chrec_type): Moved...
4425 (eq_evolutions_p): Use operand_equal_p.
4426 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
4427 the types of the operands.
4428 (chrec_type): ...here.
4429 * tree-data-ref.c (create_data_ref): Convert the operands before
4430 calling chrec_replace_initial_condition.
4431 (same_access_functions, analyze_subscript_affine_affine,
4432 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
4433 (compute_subscript_distance, analyze_ziv_subscript,
4434 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
4435 analyze_miv_subscript): Convert the operands before calling
4436 chrec_fold_minus or chrec_fold_plus.
4438 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
4440 * tree-data-ref.c (compute_all_dependences): Use a pointer to
4441 the dependence_relations vector.
4442 (compute_data_dependences_for_loop): Adjust call to
4443 compute_all_dependences.
4445 2006-04-01 Roger Sayle <roger@eyesopen.com>
4446 Richard Henderson <rth@redhat.com>
4448 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
4449 gimple_boolify on the condition before calling gimplify_expr.
4451 2006-03-31 Bob Wilson <bob.wilson@acm.org>
4453 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
4454 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
4455 the frame size. Update to use the new macros.
4456 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
4457 * config/xtensa/ieee754-df.S: Likewise.
4459 2006-03-31 Richard Henderson <rth@redhat.com>
4461 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
4462 (make_edges): ... here. Control fallthru creation with a local
4463 variable. Do not play with fake edges.
4464 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
4465 (make_goto_expr_edges): Don't play with fake edges. Make for_call
4468 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
4470 * dwarf2.h (DW64_CIE_ID): Define.
4471 * dwarf2out.c (DWARF_CIE_ID): Define.
4472 (output_call_frame_info): Output 0xffffffff before standard 8-byte
4473 length header. Use DWARF_CIE_ID.
4474 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
4475 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
4477 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
4479 * config/sh/linux-atomic.asm: New file.
4480 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
4482 2006-03-31 DJ Delorie <dj@redhat.com>
4484 * config/m32c/cond.md: Set condition flags properly throughout.
4485 * config/m32c/minmax.md: Likewise.
4486 * config/m32c/prologue.md: Likewise.
4487 * config/m32c/bitops.md: Likewise.
4488 * config/m32c/muldiv.md: Likewise.
4489 * config/m32c/mov.md: Likewise.
4490 * config/m32c/addsub.md: Likewise.
4491 * config/m32c/m32c.md: Likewise.
4492 * config/m32c/jump.md: Likewise.
4493 * config/m32c/shift.md: Likewise.
4495 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4496 conditionally output the pattern for this.
4497 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4498 (m32c_compare_redundant): New.
4499 (m32c_output_compare): New.
4500 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4502 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4503 dest, not src. Allow other 4-byte modes.
4505 2006-03-30 Denis Chertykov <denisc@overta.ru>
4507 * doc/md.texi: Refer to avr/constraints.md instead of
4510 2006-03-30 Roger Sayle <roger@eyesopen.com>
4512 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4513 signed vs. unsigned comparison failures on some hosts.
4515 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4518 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4519 change to FLOAT_REGS.
4521 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4522 (rs6000_override_options): Use it.
4523 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4524 only for -mabi=spe/no-spe and -mabi=altivec.
4526 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4528 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4531 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4533 * Makefile.in: Rename docdir to gcc_docdir.
4535 2006-03-30 Roger Sayle <roger@eyesopen.com>
4538 * expr.c (emit_group_store): Optimize group stores into a pseudo
4539 register by using a paradoxical subreg to initialize the destination
4540 if the first or last member of the group specifies a "low part".
4542 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4545 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4546 * target.h (struct gcc_target.speculate_insn): Change type of the
4547 second parameter to 'int'.
4548 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4549 the second operand of the DEPS_LIST.
4550 (copy_DEPS_LIST_list): Update reference to the second operand of the
4552 * rtl.h (alloc_DEPS_LIST): Update signature.
4553 * sched-int.h (ds_t): Change typedef to 'int'.
4554 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4556 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4558 * haifa-sched.c (try_ready): Change condition to restore
4559 non-speculative pattern of the instruction.
4560 (process_insn_depend_be_in_spec): Code to keep probability of the
4561 speculative dependence non-decreasing.
4563 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4565 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4566 (single_move_for_movmem): ... this. Also change all uses.
4567 (bfin_expand_strmov): Renamed to...
4568 (bfin_expand_movmem): ... this. Also change all uses.
4569 * config/bfin/bfin.md (movstrsi): Renamed to...
4570 (movstrsi): ...this.
4572 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4574 PR tree-optimization/26830
4576 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4577 (copy_prop_visit_stmt): Remove write-only variable ann.
4578 (init_copy_prop): Check variable loop depth here. Do not simulate
4579 memory-tag and virtual operand PHIs except for store copy prop.
4581 2006-03-30 Richard Guenther <rguenther@suse.de>
4583 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4584 variants with double arguments.
4586 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4588 * genpreds.c (write_tm_constrs_h): Delete variable p.
4589 * genconditions.c (write_header): Add tm-constrs.h to included
4591 * genpeep.c (main): Add toplev.h to included headers.
4592 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4593 (build/genpeep.o): Add toplev.h dependency.
4594 * config/rs6000/constraints.md: Add "W" constraint.
4596 2006-03-29 Roger Sayle <roger@eyesopen.com>
4598 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4599 sizes by correctly testing whether the size fits a host integer.
4600 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4601 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4602 SImode range for the default sizetype and bitsizetype.
4604 2006-03-29 Roger Sayle <roger@eyesopen.com>
4606 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4607 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4608 quickly if the argument is already of the correct type.
4609 Call fold_build1 instead of build1. Tidy up blank lines.
4611 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4613 * genemit.c (main): Add tm-constrs.h to included headers.
4614 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4615 * genpeep.c (main): Add tm-constrs.h to included headers.
4616 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4617 (write_tm_constrs_h): this and write complete file.
4618 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4619 (write_insn_preds_c): Add tm-constrs.h to included headers.
4620 (gen_constrs): New variable.
4621 (parse_option): Parse "-c".
4622 (main): Invoke write_tm_constrs_h.
4623 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4624 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4625 (object_out_file): Add tm-constrs.h dependency.
4626 (insn-emit.o): Same.
4627 (insn-output.o): Same.
4628 (insn-peep.o): Same.
4629 (insn-preds.o): Same.
4630 (insn-recog.o): Same.
4631 (tm-constsr.h): New target.
4632 (s-constrs-h): New target.
4634 * config/rs6000/constraints.md: New file.
4635 * config/rs6000/rs6000.c: Include tm-constrs.h.
4636 (num_insn_constant_wide): Convert to satisfies_constraint.
4637 (rs6000_rtx_costs): Convert to satisfies_constraint.
4638 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4639 (CONST_OK_FOR_LETTER_P): Delete.
4640 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4641 (EXTRA_CONSTRAINT): Delete.
4642 (EXTRA_MEMORY_CONSTRAINT): Delete.
4643 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4644 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4645 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4646 satisfies_constraint.
4648 * config/i386/i386.c: Include tm-constrs.h.
4650 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4652 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4653 * tree-data-ref.c (find_data_references_in_loop,
4654 compute_data_dependences_for_loop): Use pointers to VEC.
4655 (analyze_all_data_dependences): Adjust calls.
4656 * tree-data-ref.h (find_data_references_in_loop,
4657 compute_data_dependences_for_loop): Adjust declarations.
4658 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4659 compute_data_dependences_for_loop.
4661 2006-03-29 Paul Brook <paul@codesourcery.com>
4663 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4666 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4668 PR tree-optimization/26859
4669 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4671 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4672 for the step after fold_convert.
4674 2006-03-29 Paul Brook <paul@codesourcery.com>
4676 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4677 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4679 2006-03-29 Paul Brook <paul@codesourcery.com>
4682 * targhooks.c (default_narrow_bitfield): New fuction.
4683 * targhooks.h (default_narrow_bitfield): add prototype.
4684 * target.h (gcc_target): Add narrow_volatile_bitfield.
4685 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4686 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4687 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4688 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4690 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4692 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4694 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4695 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4696 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4697 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4698 (s390_function_arg_float): Allow SDmode and DDmode values to be
4699 passed in floating point registers.
4700 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4701 check with SCALAR_FLOAT_MODE_P.
4702 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4704 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4706 PR tree-optimization/25985
4707 * tree-ssa-loop-niter.c (number_of_iterations_le,
4708 number_of_iterations_ne): Make comments more precise.
4709 (number_of_iterations_cond): Add only_exit argument. Use the
4710 fact that signed variables do not overflow only when only_exit
4712 (loop_only_exit_p): New.
4713 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4714 number_of_iterations_cond.
4716 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4718 PR tree-optimization/26643
4719 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4722 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4724 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4725 (divsi3_i4_int): Likewise.
4727 2006-03-28 Roger Sayle <roger@eyesopen.com>
4729 * expr.c (emit_group_store): Only create a new pseudo reg if the
4730 quantity it needs to hold isn't already a suitable pseudo.
4732 2006-03-28 Jeff Law <law@redhat.com>
4734 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4735 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4737 2006-03-28 Roger Sayle <roger@eyesopen.com>
4739 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4740 the equivalent ~X & Y, and the symmetry related transformations.
4741 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4742 ~X & Y, and symmetry related transforms.
4744 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4746 Revert my 2006-03-27 patches.
4748 2006-03-28 Roger Sayle <roger@eyesopen.com>
4750 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4751 ~(T1)X, when T1 and T2 are integer types of the same precision
4752 and (T2)X isn't an extension.
4754 2006-03-28 Jeff Law <law@redhat.com>
4756 PR tree-optimization/26796
4757 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4758 need EH edge cleanups rather than purging them immediately.
4759 (eliminate_degenerate_phis): Handle queued EH cleanups.
4761 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4763 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4766 2006-03-27 Roger Sayle <roger@eyesopen.com>
4769 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4770 cast BIT_NOT_EXPR operand to the correct type.
4772 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4774 * tree-loop-linear.c: Don't include varray.h.
4775 (gather_interchange_stats, try_interchange_loops,
4776 linear_transform_loops): Use VEC instead of VARRAY.
4777 * lambda-mat.c: Don't include varray.h.
4778 * tree-chrec.c: Same.
4779 * lambda-trans.c: Same.
4780 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4781 VEC instead of VARRAY.
4782 * tree-vectorizer.h: Idem.
4783 * tree-data-ref.c (dump_data_references,
4784 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4785 initialize_data_dependence_relation, finalize_ddr_dependent,
4786 compute_all_dependences, find_data_references_in_loop,
4787 compute_data_dependences_for_loop, analyze_all_data_dependences,
4788 free_dependence_relation, free_dependence_relations,
4789 free_data_refs): Idem.
4790 * tree-data-ref.h (data_reference_p, subscript_p): New.
4791 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4792 VEC instead of VARRAY.
4793 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4794 (find_data_references_in_loop, compute_data_dependences_for_loop,
4795 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4796 dump_data_dependence_relations, free_dependence_relations,
4797 free_data_refs): Adjust declaration.
4798 (lambda_transform_legal_p): Move declaration here...
4799 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4800 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4801 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4802 vect_analyze_data_refs): Use VEC instead of VARRAY.
4803 * lambda.h (lambda_transform_legal_p): ...from here.
4804 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4805 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4806 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4807 tree-chrec.o): Don't depend on VARRAY_H.
4809 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4811 * rtl.def (Copyright): Update date.
4812 (DEPS_LIST): Change type of the second operand to 'int'.
4813 * target.h (Copyright): Update date.
4814 (struct gcc_target.speculate_insn): Change type of the second parameter
4816 * lists.c (Copyright): Update date.
4817 (alloc_DEPS_LIST): Change signature. Update reference to the second
4818 operand of the DEPS_LIST.
4819 (copy_DEPS_LIST_list): Update reference to the second operand of the
4821 * rtl.h (Copyright): Update date.
4822 (alloc_DEPS_LIST): Update signature.
4823 * sched-int.h (Copyright): Update date.
4824 (ds_t): Change typedef to 'int'.
4825 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4827 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4829 * haifa-sched.c (Copyright): Update date.
4830 (try_ready): Change condition to restore non-speculative pattern
4832 (process_insn_depend_be_in_spec): Code to keep probability of the
4833 speculative dependence non-decreasing.
4835 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4837 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4838 shut up the compiler.
4840 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4842 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4843 to use lib prefix for target.
4844 ($(T)libic_invalidate_array_4-200.a): Likewise.
4845 ($(T)libic_invalidate_array_4a.a): Likewise.
4847 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4848 J"orn Rennecke <joern.rennecke@st.com>
4850 * superh.opt: New file.
4851 * sh.c (boardtype, osruntime): Remove.
4852 * superh.h (SUBTARGET_OPTIONS): Remove.
4853 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4855 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4856 arguments with ^ and/or [].
4858 * config.gcc (sh-*-*): Add quoting to account for quirk of
4860 Replace == with = in enable_incomplete_targets test.
4862 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4863 with MASK_LITTLE_ENDIAN.
4865 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4866 * config/sh/sh.opt: Added to some comments.
4867 * config/sh/superh.h: Removed some chaff.
4869 * config/sh/sh.opt: Add m4-[1234]00* options.
4870 * config/sh/sh.c (sh_handle_option): Likewise.
4871 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4872 (ic_invalidate_array_4-100.o): New rule.
4873 ($(T)libic_invalidate_array_4-100.a): Likewise.
4874 (ic_invalidate_array_4-200.o): Likewise.
4875 ($(T)libic_invalidate_array_4-200.a): Likewise.
4876 (ic_invalidate_array_4a.o): Likewise.
4877 ($(T)libic_invalidate_array_4a.a): Likewise.
4878 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4879 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4881 * config/sh/crt1.asm: Merged in profiling code.
4882 * config/sh/superh.h (STARTFILE_SPEC): Override.
4883 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4884 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4885 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4887 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4888 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4889 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4891 * sh.opt (mpretend-cmove): New option.
4892 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4893 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4894 (movsicc): Add TARGET_PRETEND_CMOVE code.
4896 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4898 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4899 s390_class_max_nregs): New function prototypes.
4900 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4901 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4902 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4903 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4905 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4907 * dwarf2out.c (add_location_or_const_value_attribute): Call
4908 tree_add_const_value_attribute if nothing else works.
4909 (reference_to_unused): New.
4910 (rtl_for_decl_init): Use reference_to_unused to decide whether
4911 to output an initializer.
4913 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4916 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4917 peephole removing spe frob_di_df_2.
4919 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4921 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4922 (subscript_dependence_tester_1): Declared.
4923 (print_dir_vectors, print_dist_vectors): New.
4924 (debug_data_dependence_relation): New.
4925 (dump_data_dependence_relation): Print more details.
4926 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4927 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4928 (save_dist_v, save_dir_v, add_outer_distances,
4929 build_classic_dist_vector_1): New.
4930 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4931 Don't test for lambda_vector_lexico_pos.
4932 (same_access_functions, add_multivariate_self_dist,
4933 add_other_self_distances, dir_from_dist): New.
4934 (build_classic_dir_vector): Replace implementation almost identical to
4935 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4937 (subscript_dependence_tester_1): New.
4938 (subscript_dependence_tester): Handle the lexicographically negative
4939 distance vectors by recomputing the dependence relation.
4940 (compute_affine_dependence): Remove parameter loop_nest_depth.
4941 (compute_self_dependence): Don't call compute_subscript_distance.
4942 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4943 Add a parameter for the loop_nest.
4944 (find_loop_nest_1, find_loop_nest): New.
4945 (compute_data_dependences_for_loop): Compute the loop nest, and give
4946 up if the nest is not well formed.
4947 * tree-data-ref.h (loop_p): New.
4948 (struct data_dependence_relation): Replace size_vect field with
4949 loop_nest, a vec of loops.
4950 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4951 (DDR_LOOP_NEST): New.
4952 (print_dir_vectors, print_dist_vectors,
4953 debug_data_dependence_relation): Declared.
4954 (index_in_loop_nest): New.
4955 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4956 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4959 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4961 * simplify-rtx.c (simplify_relational_operation): Call
4962 simplify_relational_operation_1 even if mode is VOIDmode.
4964 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4966 PR tree-optimization/26804
4967 * tree.h (DECL_CALL_CLOBBERED): New macro.
4968 (tree_decl_common): Add call_clobbered_flag.
4969 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4970 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4971 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4972 (mark_non_addressable): Ditto.
4973 * tree-ssa.c (verify_call_clobbered): New function.
4974 (verify_alias_info): Use it.
4975 * tree-pass.h (pass_reset_cc_flags): New prototype.
4976 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4977 (reset_cc_flags): New function.
4978 * passes.c (init_optimization_passes): Call reset_cc_flags after
4979 initializing referenced_vars.
4981 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4982 Roger Sayle <roger@eyesopen.com>
4985 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4986 to 1.0 for non-real operands. Implement A / A optimization for
4989 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4991 * config/i386/i386.c (size_cost): Correct the comment for
4992 cost of storing fp registers.
4993 (i386_cost): Likewise.
4994 (i486_cost): Likewise.
4995 (pentium_cost): Likewise.
4996 (pentiumpro_cost): Likewise.
4997 (k6_cost): Likewise.
4998 (athlon_cost): Likewise.
4999 (k8_cost): Likewise.
5000 (pentium4_cost): Likewise.
5001 (nocona_cost): Likewise.
5002 (generic64_cost): Likewise.
5003 (generic32_cost): Likewise.
5005 2006-03-24 Denis Chertykov <denisc@overta.ru>
5007 * config/avr/avr-protos.h (extra_constraint): Delete.
5008 (extra_constraint_Q): New declaration.
5009 * config/avr/constraints.md: New file.
5010 * config/avr/avr.md: Include it.
5011 (REG_X, REG_Y, REG_Z, REG_W): New constants.
5012 (TMP_REGNO, ZERO_REGNO): Likewise.
5013 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
5014 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
5015 (extra_constraint): Delete.
5016 (extra_constraint_Q): Test for memory constraint 'Q'.
5017 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
5018 (REG_CLASS_FROM_LETTER): Delete.
5019 (CONST_OK_FOR_LETTER_P): Delete.
5020 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5021 (EXTRA_CONSTRAINT): Delete.
5022 (TMP_REGNO): Delete.
5023 (ZERO_REGNO): Delete.
5025 2006-03-24 Jeff Law <law@redhat.com>
5027 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
5028 directly. Call mark_new_vars_to_rename slightly earlier.
5030 2006-03-24 Geoffrey Keating <geoffk@apple.com>
5032 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
5034 (gen_compile_unit_die): Use new language types for Objective-C and
5036 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
5037 DW_LANG_C_plus_plus.
5040 * config/t-darwin (crt3.o): Work around bug 26840.
5041 * config/darwin-crt3.c: Rewrite.
5042 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
5044 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
5046 * doc/invoke.texi: Document -femit-class-debug-always
5047 * common.opt: Add -femit-class-debug-always.
5049 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
5051 * config/s390/s390.c (s390_decompose_address): Allow SImode for
5052 index and base register.
5053 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
5054 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
5055 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
5056 REGNO_OK_FOR_INDEX_P.
5057 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
5059 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
5060 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
5061 REG_OK_FOR_BASE_P): Definitions removed.
5063 2006-03-24 Jakub Jelinek <jakub@redhat.com>
5066 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
5067 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
5068 set yet or weren't marked as local yet.
5070 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
5072 * regrename.c (scan_rtx_address): Initialize a variable to shut up
5075 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
5077 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
5078 (rs6000_legitimate_small_data_p): Delete.
5079 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
5080 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
5081 and make static. Add forward declaration. Update uses.
5082 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
5083 of offsettable_memref_p.
5084 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
5085 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
5087 2006-03-24 Jeff Law <law@redhat.com>
5089 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
5090 around bug in immediate-use iterator.
5092 2006-03-24 Alan Modra <amodra@bigpond.net.au>
5095 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
5096 or __LITTLE_ENDIAN__.
5098 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
5100 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
5101 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
5102 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
5103 * config/sh/sh.opt (mdiv=): Amend description.
5104 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
5105 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
5106 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
5107 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
5108 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
5109 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
5110 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
5111 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
5112 TARGET_DIVIDE_CALL_FP.
5114 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5116 * haifa-sched.c (choose_ready): Fix type of the local variable.
5117 Move local variables. Add comment.
5118 (check_reg_live): Change signature. Make callable from debugger.
5119 * sched-int.h (check_reg_live): Update signature.
5120 * sched-ebb.c (check_reg_live): Update parameters.
5121 * sched-rgn.c (check_reg_live): Ditto.
5122 (region_head_or_leaf_p): Check pointer before dereferencing.
5123 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
5124 before reload on optimization levels below 1.
5126 2006-03-23 Richard Henderson <rth@redhat.com>
5128 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
5132 * config/alpha/predicates.md (local_symbolic_operand): Reject
5135 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
5138 * tree-ssa-pre.c (create_value_expr_from): Don't reject
5139 expressions which have overflowed constants.
5141 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5143 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
5145 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
5147 * cfgloopmanip.c (create_loop_notes): Removed.
5148 * final.c (final_scan_insn): Do not handle loop notes.
5149 * jump.c (squeeze_notes): Ditto.
5150 * cfglayout.c (skip_insns_after_block,
5151 duplicate_insn_chain): Ditto.
5152 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5154 * cfgloop.h (create_loop_notes): Declaration removed.
5156 2006-03-23 Richard Sandiford <richard@codesourcery.com>
5158 * varasm.c (output_constant_pool): Restore fnname and fndecl
5160 (assemble_start_function): Adjust call accordingly.
5161 (assemble_end_function): Likewise.
5163 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5166 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
5169 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
5171 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5174 * system.h (ICE_EXIT_CODE): New macro.
5175 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
5176 (diagnostic_action_after_output): Likewise.
5177 * gcc.c (fatal_ice): New function.
5178 (execute): Use it instead of fatal.
5179 (fancy_abort): Likewise.
5180 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
5182 2006-03-22 Jeff Law <law@redhat.com>
5184 * loop-unroll.c (analyze_iv_to_split_insn): Handle
5185 iv_analyze_result returning false.
5187 2006-03-22 Jie Zhang <jie.zhang@analog.com>
5189 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
5191 2006-03-22 Richard Henderson <rth@redhat.com>
5194 * except.c (duplicate_eh_regions_0): New.
5195 (duplicate_eh_region_1): Duplicate the children of the node as
5196 well as the node itself. Link them up properly.
5197 (duplicate_eh_region_2): Merge into ...
5198 (duplicate_eh_regions): ... here. Take copy_region argument, and
5199 copy only a sub-tree if asked. Simplify copying and fixup.
5200 (eh_region_outer_p): New.
5201 * except.h (duplicate_eh_regions): Update decl.
5202 (eh_region_outer_p): Declare.
5203 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
5204 (lower_omp_master): Likewise.
5205 (lower_omp_ordered): Likewise.
5206 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
5207 (move_stmt_r): Use it to remap labels. Handle recursion vs
5208 remap_decls_p properly.
5209 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
5210 (find_outermost_region_in_block): New.
5211 (new_label_mapper): New.
5212 (move_sese_region_to_fn): Copy eh information to the new function
5214 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
5216 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
5219 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5221 * doc/md.texi (-mshared): Mention that -mshared code can be linked
5222 into shared libraries.
5224 2006-03-22 Richard Sandiford <richard@codesourcery.com>
5226 * doc/md.texi: Refer to i386/constraints.md instead of
5228 * config/i386/constraints.md: New file, extracted from...
5229 * config/i386/predicates.md: ...here.
5230 * config/i386/i386.md: Include constraints.md.
5232 2006-03-21 Jason Merrill <jason@redhat.com>
5234 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
5237 * expr.c (init_block_move_fn): Force default visibility.
5238 (init_block_clear_fn): Likewise.
5239 * builtins.c (expand_builtin_fork_or_exec): Likewise.
5240 * targhooks.c (default_external_stack_protect_fail): Likewise.
5242 2006-03-21 Richard Sandiford <richard@codesourcery.com>
5244 * config/mips/predicates.md (const_call_insn_operand): Allow direct
5245 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
5246 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
5247 Use TARGET_OLDABI instead of !TARGET_NEWABI.
5248 (loadgp): Use mips_current_loadgp_style.
5249 (loadgp_noshared): New pattern.
5250 (sibcall_internal): Use MIPS_CALL.
5251 (sibcall_value_internal): Likewise.
5252 (sibcall_value_multiple_internal): Likewise.
5253 (call_internal): Likewise.
5254 (call_value_internal): Likewise.
5255 (call_value_multiple_internal): Likewise.
5256 (call_split): Use MIPS_CALL and add an 'S' constraint.
5257 (call_value_split): Likewise.
5258 (call_value_multiple_split): Likewise.
5259 * config/mips/mips.opt (-mabicalls): Tweak docstring.
5260 (-mshared): New option.
5261 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
5262 (mips_current_loadgp_style): Declare.
5263 * config/mips/mips.c (mips_classify_symbol): Avoid using
5264 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
5265 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
5266 TARGET_ABSOLUTE_ABICALLS.
5267 (override_options): Adjust comments. Improve the warning that is
5268 issued when -mabicalls and -G are used together.
5269 (mips_file_start): Remove comment.
5270 (mips_current_loadgp_style): New function.
5271 (mips_gnu_local_gp): New variable.
5272 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
5274 (mips_output_function_prologue): Use mips_current_laodgp_style.
5275 (mips_expand_prologue): Call mips_emit_loadgp before emitting
5276 the cprestore instruction.
5277 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
5278 live for TARGET_ABSOLUTE_ABICALLS.
5279 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
5280 (ASM_SPEC): Pass down -mshared and -mno-shared.
5281 (MIPS_CALL): New macro.
5282 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
5284 * doc/invoke.texi (-mabicalls): Update documentation.
5285 (-mshared): Document.
5287 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5289 * config/ia64/unwind-hpux.c: New file.
5290 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
5292 2006-03-21 Steve Ellcey <sje@cup.hp.com>
5295 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
5297 2006-03-21 Jeff Law <law@redhat.com>
5299 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
5300 type conversions of a VR_VARYING source to a wider type.
5302 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
5304 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
5305 tm_file on Solaris 10 and later.
5306 (sparc64-*-solaris2*): Likewise.
5307 (sparc-*-solaris2*): Likewise.
5308 * config/sol26.h: Rename to config/sol2-6.h.
5309 * config/sol2-10.h: New file.
5311 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
5314 * tree-ssa-pre.c (create_component_ref_by_pieces):
5317 2006-03-21 Jakub Jelinek <jakub@redhat.com>
5320 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
5321 return it immediately.
5323 2006-03-21 Michael Matz <matz@suse.de>
5325 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
5327 (remove_arc, add_arc): Update num_out_arcs member.
5328 (set_out_arc_insns_equiv_num): Returns nothing instead of number
5330 (cache_presence): New function.
5331 (compare_states_for_equiv): New function.
5332 (state_is_differed): Don't take number of outargs, adjust callers.
5333 Use new invariant for speeding up.
5334 (init_equiv_class): Create initial classes based on sorted
5336 (partition_equiv_class): Don't track out_arcs_num.
5337 (evaluate_equiv_classes): Call cache_presence on all states and
5340 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
5342 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
5343 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
5344 (bfin_valid_reg_p): Test for pseudos explicitly and use only
5345 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
5347 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
5348 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
5349 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
5350 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
5351 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
5353 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
5354 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
5355 (REGNO_REG_CLASS): ARGP is in PREGS.
5356 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
5358 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
5359 to deal with those addresses.
5360 * addresses.h: New file.
5361 * caller-save.c: Include "addresses.h".
5362 (init_caller_save): Use new base_reg_class function.
5363 * rtl-factoring.c: Include "addresses.h".
5364 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
5365 * recog.c: Include "addresses.h".
5366 (preprocess_constraints): Use new base_reg_class function.
5367 * regrename.c: Include "addresses.h".
5368 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
5369 functions. Keep track of a new var INDEX_CODE to compute valid
5371 (replace_oldest_value_addr): Likewise.
5372 (replace_oldest_value_mem): Use base_reg_class.
5373 * reload.c: Include "addresses.h".
5374 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
5375 (find_reloads): Use new base_reg_class function.
5376 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
5377 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
5378 all callers and prototype changed.
5379 * reload1.c: Include "addresses.h".
5380 (maybe_fix_stack_asms): Use base_reg_class.
5381 * regclass.c: Include "addresses.h".
5382 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
5383 (init_reg_autoinc): Use new base_reg_class function.
5384 (record_reg_classes): Likewise.
5385 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
5386 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
5387 Use new args to compute necessary class.
5389 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
5390 regrename.o, rtl-factoring.o): Update dependencies.
5391 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
5392 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
5393 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
5394 REG_OK_FOR_INDEX_P): Delete documentation.
5396 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
5398 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
5399 from V7 to V9 for Solaris 7 and above.
5401 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
5403 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
5404 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
5405 argument pointers may not alias any other storage.
5406 * common.opt: Define option -fargument-noalias-anything.
5407 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
5408 alias semantics is specified by flag_argument_noalias > 2.
5410 2006-03-20 Jeff Law <law@redhat.com>
5412 * tree-pass.h (pass_phi_only_copy_prop): Delete.
5413 (pass_phi_only_cprop): Declare.
5414 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
5416 * tree-ssa-dom.c (degenerate_phi_result): New function.
5417 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
5418 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
5419 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
5420 (eliminate_degenerate_phis): Likewise.
5421 (pass_phi_only_cprop): New pass descriptor.
5422 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
5423 support code. Callers updated.
5424 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
5425 (store_copy_prop): Likewise.
5426 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
5428 2006-03-20 Jason Merrill <jason@redhat.com>
5431 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
5432 (push_visibility, pop_visibility): Likewise.
5433 * c-pragma.h: Declare them.
5435 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
5437 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
5439 * config/sh/sh.c (find_regmode_weight): Change the type of the first
5440 parameter and use get_ebb_head_tail.
5441 (sh_md_init_global): Adjust uses of find_regmode_weight.
5443 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
5445 * function.h (struct function) <x_tail_recursion_reentry>:
5446 Rename to x_stack_check_probe_note.
5447 (tail_recursion_reentry): Rename to stack_check_probe_note.
5448 * function.c: Replace tail_recursion_reentry with
5449 stack_check_probe_note everywhere.
5450 (expand_function_start): Only emit a note for
5451 stack_check_probe_note with -fstack-protect.
5452 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
5454 * emit-rtl.c (remove_unnecessary_notes): Remove.
5455 (pass_remove_unnecessary_notes): Remove.
5456 * rtl.h (remove_unnecessary_notes): Remove prototype.
5457 * final.c (final_start_function): Don't call remove_unnecessary_notes.
5458 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
5459 * passes.c (pass_remove_unnecessary_notes): Don't run it.
5461 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
5464 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
5465 (valid_in_set): Handle ARRAY_REF.
5466 Change "if min_variant or VH" to asserts.
5467 (create_component_ref_by_pieces): Handle ARRAY_REF.
5468 (create_expression_by_pieces): Likewise.
5469 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
5471 2006-03-20 David Edelsohn <edelsohn@gnu.org>
5473 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
5474 is operand of switch, not str[0].
5476 2006-03-20 Alan Modra <amodra@bigpond.net.au>
5478 * config/rs6000/rs6000.c (rs6000_handle_option): Use
5479 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
5481 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5483 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
5484 end of insn_extra_address_constraint declaration.
5486 2006-03-19 David Edelsohn <edelsohn@gnu.org>
5488 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
5489 (no-sum-in-toc): Same.
5490 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
5492 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
5493 NO_FP_IN_TOC for -fPIC instead of mask.
5495 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5496 (BOOT_LDFLAGS): Delete.
5498 * config/rs6000/t-aix52: Same.
5500 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5501 (stmsi[345678]_power): New.
5503 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5505 * config/ia64/ia64.opt: Add empty line to end of file.
5507 2006-03-17 Richard Guenther <rguenther@suse.de>
5510 * builtins.c (get_pointer_alignment): For component style references
5511 adjust alignment to the component type alignment. Make sure
5512 to adjust alignment for component access of constants.
5514 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5516 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5519 2006-03-17 Paul Brook <paul@codesourcery.com>
5521 * doc/install.texi: Docuemnt --with-mode.
5522 * config.gcc: Add --with-mode for arm*-*-*.
5523 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5525 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5527 * sh.c (max_labelno_before_reorg): New variable.
5528 (sh_reorg): Initialize it.
5529 (find_barrier): Check max_labelno_before_reorg before using
5530 label_to_alignment. Take length of explicit alignment insns
5531 into account. When seeing a UNSPECV_CONST_END, return it.
5533 * sh.c (fixup_mova): Set mode of affected label to QImode.
5534 (untangle_mova): New function.
5535 (find_barrier): Use it. Check mode of label before decrementing
5537 (sh_reorg): Likewise.
5538 Set mode of all insns back to VOIDmode.
5540 * sh.c (MOVA_LABELREF): New macro.
5541 (mova_p, fixup_mova, sh_reorg): Use it.
5542 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5543 ADDR_DIFF_VEC matches mova.
5545 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5547 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5548 with ATTRIBUTE_UNUSED.
5550 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5552 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5553 pointer, instead of assuming it is possible to derive the
5554 correct args size from a call insn.
5556 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5558 * rtl.h (CONST_INT_P): Define.
5559 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5560 instead of GET_CODE(x) == CONST_INT.
5561 (vax_rtx_costs): Likewise.
5562 (vax_output_int_move): Likewise.
5563 (vax_output_int_add): Likewise.
5564 (legitimate_constant_address_p): Likewise.
5565 (index_term_p): Likewise.
5566 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5567 * config/vax/vax.md (and<mode>3): Likewise.
5568 (ashrsi3): Likewise.
5570 (movstricthi): Likewise.
5571 (movstrictqi): Likewise.
5572 (rotrsi3): Likewise.
5573 (five unnamed insns): Likewise.
5575 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5577 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5578 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5579 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5580 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5581 Pass to ASM_OUTPUT_DWARF_OFFSET.
5582 * dwarf2out.c (debug_frame_section): New.
5583 (output_call_frame_info): Use debug_frame_section. Pass it to
5584 dw2_asm_output_offset.
5585 (output_die): Pass appropriate section to dw2_asm_output_offset.
5586 (output_compilation_unit_header): Likewise.
5587 (output_pubnames): Likewise.
5588 (output_aranges): Likewise.
5589 (enum dw_val_class): Break dw_val_class_lbl_offset into
5590 dw_val_class_lineptr and dw_val_class_macptr.
5591 (add_AT_lbl_offset): Delete.
5592 (add_AT_lineptr): New.
5593 (add_AT_macptr): New.
5594 (AT_lbl): Expect a lineptr or macptr.
5595 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5596 (attr_checksum): Likewise.
5597 (same_dw_val_p): Likewise.
5598 (size_of_die): Likewise.
5599 (value_format): Likewise.
5600 (output_die): Likewise.
5601 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5603 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5604 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5605 * config/darwin-protos.h (darwin_file_start): New.
5606 (darwin_asm_output_dwarf_offset): New.
5607 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5608 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5610 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5611 if not EH section; simplify.
5612 (darwin_file_start): New.
5613 (darwin_asm_output_dwarf_offset): New.
5614 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5616 (DEBUG_INFO_SECTION): Likewise.
5617 (DEBUG_ABBREV_SECTION): Likewise.
5618 (DEBUG_ARANGES_SECTION): Likewise.
5619 (DEBUG_MACINFO_SECTION): Likewise.
5620 (DEBUG_LINE_SECTION): Likewise.
5621 (DEBUG_LOC_SECTION): Likewise.
5622 (DEBUG_PUBNAMES_SECTION): Likewise.
5623 (DEBUG_STR_SECTION): Likewise.
5624 (DEBUG_RANGES_SECTION): Likewise.
5625 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5626 (ASM_OUTPUT_DWARF_OFFSET): New.
5628 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5630 * config.gcc (tm_defines): Always add to previous value rather
5633 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5635 * config/mips/predicates.md (splittable_const_int_operand): New,
5636 split from move_operand.
5637 (splittable_symbolic_operand): New.
5638 (move_operand): Add commentary. Use splittable_const_int_operand.
5639 Inline mips_atomic_symbolic_constant_p.
5640 * config/mips/mips.md: Add combine splitters for handling moves
5641 of splittable_const_int_operands and splittable_symbolic_operands.
5642 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5643 (mips_split_symbol): Declare.
5644 (mips_move_integer): Declare.
5645 * config/mips/mips.c (mips_split_p): Make global.
5646 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5647 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5648 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5649 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5650 (mips_offset_within_object_p): Handle block symbols.
5651 (mips_atomic_symbolic_constant_p): Delete.
5652 (mips_cannot_force_const_mem): Return false for constants that
5653 mips_legitimize_move can handle.
5654 (mips_use_blocks_for_constant_p): New function.
5655 (mips_split_symbol): Make global.
5656 (mips_move_integer): Likewise. Add a temporary register argument.
5657 (mips_legitimize_const_move): Use splittable_const_int_operand and
5658 splittable_symbolic_operand.
5659 (mips_use_anchors_for_symbol_p): New function.
5660 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5661 (mips_split_p): Declare.
5663 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5665 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5666 (mips*-*-linux*): Likewise.
5668 2006-03-16 Roger Sayle <roger@eyesopen.com>
5669 Daniel Speyer <dspeyer@wam.umd.edu>
5672 * tree-dump.c (dump_real): New function.
5673 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5674 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5675 (tree-dump.o): Add $(REAL_H) to the dependencies.
5677 2006-03-16 Roger Sayle <roger@eyesopen.com>
5680 * real.c (real_from_string): If the mantissa is zero, don't bother
5681 parsing the exponent as the result should always be zero.
5683 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5685 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5687 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5689 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5690 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5691 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5692 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5693 ia64_sched_finish_global): New static functions to implement
5694 hooks from gcc_target.sched.
5695 (spec_check_no, max_uid, pending_data_specs): New static variables.
5696 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5697 ia64_spec_check_src_p): New static functions.
5698 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5699 (TARGET_SCHED_ADJUST_COST): Removed.
5700 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5701 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5702 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5703 TARGET_SCHED_GEN_CHECK,
5704 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5705 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5706 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5707 Fixed to handle speculation checks.
5708 (rtx_needs_barrier): Fixed to handle speculative loads and
5710 (ia64_variable_issue): Added code to count speculative loads and their
5712 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5714 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5716 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5718 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5719 (ia64_reorg): Reset stops_p to NULL after it is freed.
5720 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5721 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5722 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5724 (data_speculative, control_speculative, check_load): New attributes.
5725 (mov<mode>_advanced, mov<mode>_speculative,
5726 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5727 zero_extend<mode>di2_speculative,
5728 zero_extend<mode>di2_speculative_advanced): New patterns for
5729 data and control speculative loads.
5730 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5732 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5733 New pattern for data and control speculation checks.
5734 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5735 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5736 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5737 Auxiliary definitions for the patterns.
5738 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5739 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5741 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5743 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5744 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5745 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5746 New resource constraints.
5747 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5749 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5750 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5751 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5752 msched-in-control-spec, msched-ldc, msched-control-ldc,
5753 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5754 msched-prefer-non-control-spec-insns,
5755 msched-count-spec-in-critical-path): New flags to tune speculative
5757 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5758 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5759 msched-in-control-spec, msched-ldc, msched-control-ldc,
5760 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5761 msched-prefer-non-control-spec-insns,
5762 msched-count-spec-in-critical-path): Document new flags.
5764 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5766 * target.h (struct spec_info_def): New opaque declaration.
5767 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5768 speculate_insn, needs_block_p, gen_check,
5769 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5770 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5771 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5772 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5773 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5774 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5776 (TARGET_SCHED): Use new macros.
5777 * rtl.h (copy_DEPS_LIST_list): New prototype.
5778 * sched-int.h (struct sched_info): Change signature of new_ready field,
5779 adjust all initializations. New fields: add_remove_insn,
5780 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5781 region_head_or_leaf_p.
5782 (struct spec_info_def): New structure declaration.
5783 (spec_info_t): New typedef.
5784 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5785 recovery_block, orig_pat.
5786 (glat_start, glat_end): New variables declaraions.
5787 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5789 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5790 DETACH_LIFE_INFO, USE_GLAT.
5791 (enum SPEC_SCHED_FLAGS): New enumeration.
5792 (NOTE_NOTE_BB_P): New macro.
5793 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5794 attach_life_info, debug_spec_status, check_reg_live): New functions.
5795 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5796 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5798 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5799 * ddg.c (get_block_head_tail): Adjust all uses.
5800 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5801 (sms_sched_info): Initialize new fields.
5802 (contributes_to_priority): Removed.
5803 * haifa-sched.c (params.h): New include.
5804 (get_block_head_tail): Adjust all uses.
5805 (ISSUE_POINTS): New macro.
5806 (glat_start, glat_end): New global variables.
5807 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5808 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5809 old_last_basic_block, before_recovery, current_sched_info_var,
5810 rgn_n_insns, luid): New static variables.
5811 (insn_cost1): New function. Move logic from insn_cost to here.
5812 (find_insn_reg_weight1): New function. Move logic from
5813 find_insn_reg_weight to here.
5814 (reemit_notes, move_insn, max_issue): Change signature.
5815 (move_insn1): Removed.
5816 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5817 extend_bb): New static functions to support extension of scheduler's
5819 (generate_recovery_code, process_insn_depend_be_in_spec,
5820 begin_speculative_block, add_to_speculative_block,
5821 init_before_recovery, create_recovery_block, create_check_block_twin,
5822 fix_recovery_deps): New static functions to support
5823 generation of recovery code.
5824 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5825 restore_bb_notes, move_block_after_check, move_succs): New static
5826 functions to support ebb scheduling.
5827 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5828 functions to support handling of register live information.
5829 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5830 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5831 add_jump_dependencies): New static functions.
5832 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5833 consistancy checking.
5834 (debug_spec_status): New function to call from debugger.
5835 (priority): Added code to handle speculation checks.
5836 (rank_for_schedule): Added code to distinguish speculative instructions.
5837 (schedule_insn): Added code to handle speculation checks.
5838 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5839 Fixed to handle ebbs.
5840 (move_insn): Added code to handle ebb scheduling.
5841 (max_issue): Added code to use ISSUE_POINTS of instructions.
5842 (choose_ready): Added code to choose between speculative and
5843 non-speculative instructions.
5844 (schedule_block): Added code to handle ebb scheduling and scheduling of
5845 speculative instructions.
5846 (sched_init): Initialize new variables.
5847 (sched_finish): Free new variables. Print statistics.
5848 (try_ready): Added code to handle speculative instructions.
5849 * lists.c (copy_DEPS_LIST_list): New function.
5850 * sched-deps.c (extend_dependency_caches): New function. Move logic
5851 from create_dependency_caches to here.
5852 (get_dep_weak, ds_merge): Make global.
5853 * genattr.c (main): Code to output prototype for
5854 dfa_clear_single_insn_cache.
5855 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5856 (output_dfa_clean_insn_cache_func): Code to output
5857 dfa_clear_single_insn_cache function.
5858 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5860 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5862 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5863 New static variables.
5864 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5865 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5867 (ebb_sched_info): Initialize new fields.
5868 (get_block_head_tail): Adjust all uses.
5869 (compute_jump_reg_dependencies): Fixed to use glat_start.
5870 (schedule_ebb): Code to remove unreachable last block.
5871 (schedule_ebbs): Added code to update register live information.
5872 * sched-rgn.c (region_sched_info): Initialize new fields.
5873 (get_block_head_tail): Adjust all uses.
5874 (last_was_jump): Removed. Adjust users.
5875 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5876 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5877 Implement new hooks.
5878 (check_dead_notes1): New static function.
5879 (struct region): New fields: dont_calc_deps, has_real_ebb.
5880 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5881 (BB_TO_BLOCK): Fixed to handle EBBs.
5882 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5883 (ebb_head): New static variable.
5884 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5885 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5887 (compute_dom_prob_ps): New assertion.
5888 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5889 global_live_at_start.
5890 (init_ready_list): New assertions.
5891 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5892 (new_ready): Add support for BEGIN_CONTROL speculation.
5893 (schedule_insns): Fixed code that updates register live information
5895 (schedule_region): Fixed to handle EBBs.
5896 (init_regions): Use extend_regions and check_dead_notes1.
5897 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5898 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5899 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5900 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5901 TARGET_SCHED_GEN_CHECK,
5902 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5903 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5904 * doc/invoke.texi (max-sched-insn-conflict-delay,
5905 sched-spec-prob-cutoff): Document.
5907 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5909 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5910 inter_tick, queue_index.
5911 (struct sched_info): Change signature of init_ready_list field.
5912 Adjust all initializations.
5913 (RESOLVED_DEPS): New access macro.
5914 (ready_add): Remove prototype.
5915 (try_ready): Add prototype.
5916 * sched-rgn.c (init_ready_list): Use try_ready.
5917 (schedule_region): Initialize
5918 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5919 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5920 (init_ready_list): Use try_ready.
5921 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5922 * lists.c (remove_list_elem): Remove `static'.
5923 (remove_free_INSN_LIST_elem): New function.
5924 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5925 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5926 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5928 (readyp): New variable.
5929 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5930 change_queue_index, resolve_dep): New static functions.
5931 (try_ready): New function. Adjust callers in sched-rgn.c and
5932 sched-ebb.c to use it instead of ready_add.
5933 (clock_var): Move at the begining of file.
5934 (rank_for_schedule): Fix typo.
5935 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5936 (ready_lastpos): Enforce assertion.
5937 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5939 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5940 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5941 (queue_to_ready): Use free_INSN_LIST_list.
5942 (early_queue_to_ready): Fix typo.
5943 (schedule_block): Init readyp. Move init_ready_list call after the
5944 initialization of clock_var. Fix error in rejecting insn by
5945 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5946 that previously corrected INSN_TICKs. Add code for handling
5948 (set_priorities): Fix typo.
5949 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5950 Clarify comment and code that keeps current_sched_info->next_tail
5953 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5955 * sched-rgn.c (extend_rgns): New static function.
5956 (find_rgns): Use it.
5957 (gather_region_statistics, print_region_statistics): New static
5959 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5960 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5962 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5963 Andrey Belevantsev <abel@ispras.ru>
5965 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5966 * lists.c (unused_deps_list): New variable.
5967 (free_list): Add assertions to verify the proper distinguishing
5968 between INSN_LISTs and DEPS_LISTs.
5969 (find_list_elem, remove_list_elem, remove_list_node): New static
5971 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5972 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5973 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5974 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5976 (free_INSN_LIST_node): Likewise.
5977 * modulo-sched.c (current_sched_info): Initialize flags field.
5978 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5979 * rtl.def (DEPS_LIST): Define.
5980 * rtl.h: Declare new functions from lists.c.
5981 * sched-deps.c (spec_dependency_cache): New static variable.
5982 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5983 (add_dependence): Change return type to void. Move the logic to ...
5984 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5985 (delete_all_dependences): Add comment about forward_dependency_cache.
5986 Handle spec_dependency_cache. Handle DEPS_LISTs.
5987 (fixup_sched_groups): Clarify the change of priority of output
5988 and anti dependencies.
5989 (sched_analyze_2): Adjust add_dependence calls to create data
5990 speculative dependence.
5991 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5992 Adjust all callers. Handle DEPS_LISTS.
5993 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5994 presence of speculation.
5995 (init_dependency_caches, free_dependency_caches):
5996 Handle spec_dependency_cache.
5997 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5998 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5999 New static functions.
6000 (add_or_update_back_dep, add_or_update_back_forw_dep,
6001 add_back_forw_dep, delete_back_forw_dep): New functions.
6002 * sched-int.h (ds_t, dw_t): New typedefs.
6003 (struct sched_info): Add new field flags.
6004 (struct haifa_insn_data): Add new bitfield has_internal_dep.
6005 Prototype new sched-deps.c functions.
6006 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
6007 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
6008 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
6009 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
6010 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
6011 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
6013 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
6015 * sched-rgn.c (current_sched_info): Initialize flags field.
6016 (schedule_insns): Initialize current_sched_info before the sched_init
6018 * sched-ebb.c (current_sched_info): Initialize flags field.
6019 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
6020 Call add_or_update_back_dep instead of add_dependence.
6021 Create control speculative dependencies.
6022 (schedule_insns): Initialize current_sched_info before the sched_init
6025 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
6027 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
6029 (sh_fallback_frame_state): Likewise.
6031 2006-03-15 Geoffrey Keating <geoffk@apple.com>
6033 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
6034 Do switch on default_use_cxa_atexit.
6035 (powerpc*-*-darwin*): Build crt2.o on powerpc.
6036 * config/darwin-crt3.o: New.
6037 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
6038 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
6039 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
6041 * config/rs6000/t-darwin: Move crt2.o building to here.
6042 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
6043 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
6046 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6048 * config/vax/vax.c (nonindexed_address_p): Change logical negation
6049 from '! xxx' to '!xxx' for coding-style conformance.
6050 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
6051 (EXTRA_CONSTRAINT): Likewise.
6052 * config/vax/vax.md (four unnamed insns): Likewise.
6054 2006-03-15 Paul Brook <paul@codesourcery.com>
6056 * config/arm/arm.c (minipool_pad): New.
6057 (add_minipool_forward_ref): Include pool alignment padding in address
6059 (push_minipool_fix): Set minipool_pad.
6060 (minipool_pad): Ditto.
6062 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6064 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
6065 instead of GET_CODE() == MEM and REG_P() instead of
6067 (print_operand_address): Likewise.
6068 (vax_address_cost): Likewise.
6069 (vax_rtx_costs): Likewise.
6070 (vax_notice_update_cc): Likewise.
6071 (vax_output_int_add): Likewise.
6072 (INDEX_REGISTER_P): Likewise.
6073 (BASE_REGISTER_P): Likewise.
6074 (nonindexed_address_p): Likewise.
6075 (vax_mode_dependent_address_p): Likewise.
6076 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
6077 (PRINT_OPERAND): Likewise.
6078 * config/vax/vax.md (ashlsi3): Likewise.
6079 (ashlsi3): Likewise.
6080 (some more unnamed insns): Likewise.
6082 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
6084 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
6085 iterator-style macro.
6086 (mark_control_dependent_edges_necessary): Update the use of
6087 EXECUTE_IF_CONTROL_DEPENDENT.
6089 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
6091 * config/sh/predicates.md (cache_address_operand): Special.
6092 (ua_address_operand): Likewise.
6094 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
6096 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
6098 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
6100 2006-03-15 Andreas Schwab <schwab@suse.de>
6102 * gensupport.c (identify_predicable_attribute): Don't free p_false
6103 when it is still in use.
6105 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6107 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
6108 the default setting here.
6110 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
6112 * tree-pass.h (pass_cfg): Remove.
6113 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
6114 * passes.c (pass_cfg): Don't run it.
6116 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
6118 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
6119 * reg-stack.c (stack_regs_mentioned_data): Change the type to
6121 (stack_regs_mentioned): Update the uses of
6122 stack_regs_mentioned_data. Don't access the array beyond its
6124 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
6125 Don't include gt-reg-stack.h.
6127 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
6128 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
6130 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
6133 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
6136 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6138 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
6140 2006-03-14 Richard Guenther <rguenther@suse.de>
6142 PR tree-optimization/26672
6143 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
6146 2006-03-14 Richard Guenther <rguenther@suse.de>
6148 PR tree-optimization/26667
6149 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
6150 node for the callees. Always allow inlining if it will shrink
6153 2006-03-14 Richard Guenther <rguenther@suse.de>
6156 * builtins.c (get_pointer_alignment): Prefer alignment
6157 information from decls over that from types.
6159 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
6162 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
6164 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
6166 * config/rs6000/rs6000.opt (mdlmzb): New option.
6167 (msched-prolog, msched-epilog): Use Var not Mask.
6168 * doc/invoke.texi (-mdlmzb): Document.
6169 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6171 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
6172 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
6174 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
6176 PR rtl-optimization/25739
6177 * bt-load.c (augment_live_range): Free tos pointer.
6179 * gensupport.c (identify_predicable_attribute): Free
6181 * gcov.c (create_file_names): Free name pointer.
6183 2006-03-13 Roger Sayle <roger@eyesopen.com>
6186 * stmt.c (emit_case_nodes): Handle the case where the index is a
6187 CONST_INT, where the comparison mode is specified by the index type.
6189 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6191 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
6194 2006-03-13 Richard Sandiford <richard@codesourcery.com>
6196 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
6197 (*branch_fp_inverted): Likewise.
6199 2006-03-13 Jakub Jelinek <jakub@redhat.com>
6202 * omp-low.c (expand_omp_for_generic): Mark istart0
6203 and iend0 as addressable.
6205 2006-03-13 Jie Zhang <jie.zhang@analog.com>
6207 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
6209 2006-03-13 Jeff Law <law@redhat.com>
6211 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
6212 virtual operands are interesting.
6213 (vrp_visit_stmt): Corresponding changes.
6215 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
6217 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
6219 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
6220 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
6221 * config/bfin/crti.S: Use it instead of __PIC__.
6222 * config/bfin/crtn.S: Likewise.
6224 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
6225 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
6227 Lose 'G' modifier for call operand.
6228 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
6229 recognize 'G' modifier.
6231 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
6234 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
6235 * stmt.c (expand_case): Likewise.
6237 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6239 PR rtl-optimization/26254
6240 * loop-invariant.c (seq_insns_valid_p): New function.
6241 (move_invariant_reg): Only emit new code if it is valid.
6243 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6245 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
6247 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
6248 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
6249 (commit_one_edge_insertion): Do not look for loop notes.
6251 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6253 * jump.c (follow_jumps): Do not check for loop notes. Move check for
6254 flag_test_coverage out of loop.
6256 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6258 * final.c (shorten_branches): Remove outdated comment, and turn
6259 the if branch that guards it to continue.
6261 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
6263 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
6264 * cfgloop.h (struct loop): Remove unused fields.
6266 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
6268 * doc/invoke.texi (-fdump-rtl-loop): Remove.
6269 (-dL, -fdump-rtl-loop2): Update the dump file names
6271 * doc/invoke.texi: Update dump file names.
6273 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
6275 * predict.c (estimate_probability): Remove.
6276 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
6277 * basic-block.h (estimate_probability): Remove prototype.
6278 * passes.c (finish_optimization_passes): Dump branch prediction or
6279 profiling heuristics to the .profile tree dump.
6280 (init_optimization_passes): Unqueue pass_branch_prob.
6282 * doc/invoke.texi (-fdump-rtl-bp): Remove.
6284 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6286 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
6287 * rtl.h (LABEL_NEXTREF): Remove field accessor.
6289 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
6291 * function.h (frame_offset_overflow): Declare.
6292 * function.c (frame_offset_overflow): New function.
6293 (assign_stack_local_1): Call it to detect that the offset overflows.
6294 * cfgexpand.c (alloc_stack_frame_space): Likewise.
6296 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
6298 * config/sh/sh.c: Include alloc-pool.h.
6299 (label_ref_list_pool): New alloc pool.
6300 (label_ref_list_t): New type for lists of labels.
6301 (struct pool_node): Make wend a label_ref_list_t.
6302 (add_constant): Use the new type, eradicate LABEL_NEXTREF
6304 (dump_table): Likewise.
6305 (sh_reorg): Set up the alloc pool before using add_constant and
6306 dump_table, and destroy it when finishing.
6308 2006-03-11 Richard Sandiford <richard@codesourcery.com>
6310 * config/mips/mips.c: Remove redundant comment.
6312 2006-03-10 Jason Merrill <jason@redhat.com>
6315 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
6316 the target was declared 'register'.
6318 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
6320 * genpreds.c (write_insn_constraint_len): Change definition of
6321 insn_constraint_len to return size_t to match the declaration.
6323 2006-03-10 DJ Delorie <dj@redhat.com>
6325 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
6327 (m32c_expand_insv): Fix test for an AND mask.
6329 2006-03-10 Richard Guenther <rguenther@suse.de>
6332 * builtins.c (get_pointer_alignment): Handle component
6333 references for field alignment.
6335 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6337 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
6338 when building with libgloss.
6339 (sh*elf): Implement --without-fp option.
6340 (sh64-superh-linux*): Don't multilib.
6342 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
6344 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
6346 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
6348 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
6349 Set it when one of the replacement functions returned true.
6350 Return TODO_cleanup_cfg if cfgchanged is true.
6351 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
6353 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
6355 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
6356 instead of gen_lowpart.
6358 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6360 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
6362 (mips_output_order_conditional_branch): Declare.
6363 * config/mips/mips.h (MIPS_BRANCH): New macro.
6364 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
6365 for the comparison. Use gen_condjump.
6366 (mips_output_conditional_branch): Rework interface to take the
6367 asm templates for a direct branch and the inverse of a direct branch.
6368 (mips_output_order_conditional_branch): New function.
6369 (mips_builtin_branch_and_move): New function.
6370 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
6371 branch condition. Use gen_single_cc as the condition for
6372 __builtin_mips_upper_* or __builtin_mips_lower_*.
6373 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
6374 Use VOIDmode for the branch condition.
6375 * config/mips/predicates.md (order_operator): New predicate.
6376 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
6377 (branch_fp): Rename to...
6378 (*branch_fp): ...this. Remove mode from comparison operator.
6379 Use new mips_output_conditional_branch interface.
6380 (branch_fp_inverted): Rename to...
6381 (*branch_fp_inverted): ...this and update as for *branch_fp.
6382 (*branch_zero<mode>): Rename to...
6383 (*branch_order<mode>): ...this. Remove mode from comparison operator.
6384 Use mips_output_order_conditional_branch. Only accept ordered
6386 (*branch_zero<mode>_inverted): Rename to...
6387 (*branch_order<mode>_inverted): ...this and update as for
6388 *branch_order<mode>.
6389 (*branch_equality<mode>): Accept zero as the second operand to
6390 the equality operator. Use the new mips_output_conditional_branch
6392 (*branch_equality<mode>_inverted): Likewise.
6393 (condjump): New expander.
6394 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
6396 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
6397 (bc1any2t, bc1any2f): Likewise.
6398 (single_cc): New expander.
6399 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
6401 2006-03-09 Richard Sandiford <richard@codesourcery.com>
6403 * doc/md.texi: Update documentation of MIPS constraints.
6404 * config/mips/constraints.md: New file.
6405 * config/mips/mips.md: Include it.
6406 * config/mips/mips.c (mips_char_to_class): Delete.
6407 (override_options): Don't initialize mips_char_to_class.
6408 * config/mips/mips.h (mips_char_to_class): Delete.
6409 (REG_CLASS_FROM_LETTER): Delete.
6410 (CONST_OK_FOR_LETTER_P): Delete.
6411 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6412 (EXTRA_CONSTRAINT_Y): Delete.
6413 (EXTRA_CONSTRAINT_STR): Delete.
6414 (CONSTRAINT_LEN): Delete.
6415 (EXTRA_MEMORY_CONSTRAINT): Delete.
6417 2006-03-09 Diego Novillo <dnovillo@redhat.com>
6419 * tree-cfg.c (move_block_to_fn): Remove the statements from the
6420 original fn's eh regions.
6422 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
6424 * fold-const.c (build_range_check): Make sure to use a valid type to
6425 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
6428 (range_predecessor): New static function.
6429 (range_successor): Likewise.
6430 (merge_ranges): Use them to compute predecessors and successors of
6433 2006-03-09 Roger Sayle <roger@eyesopen.com>
6436 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
6437 X op C3, consider whether C3 overflows towards +Inf or -Inf.
6439 2006-03-08 DJ Delorie <dj@redhat.com>
6441 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
6442 (addpsi3): Expand to include memory operands. Remove
6443 reload-specific splits.
6444 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
6445 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
6446 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
6447 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
6448 (shift1_qi, shift1_hi, insv): New.
6449 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
6450 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
6451 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
6453 * config/m32c/m32c-protos.h: Update as needed.
6454 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
6455 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
6456 Fail for unrecognized R* constraints.
6457 (m32c_cannot_change_mode_class): Be more picky about pseudos.
6458 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
6459 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
6461 (m32c_init_libfuncs): New.
6462 (m32c_legitimate_address_p): Add debug wrapper.
6463 (m32c_rtx_costs): New.
6464 (m32c_address_cost): New.
6465 (conversions): Add 'B' prefix.
6466 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
6467 operands, or word regnames for QI operands. 'B' prints bit
6469 (m32c_expand_setmemhi): New.
6470 (m32c_expand_movmemhi): New.
6471 (m32c_expand_movstr): New.
6472 (m32c_expand_cmpstr): New.
6473 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
6474 (m32c_expand_neg_mulpsi3): Handle non-ints.
6475 (m32c_cmp_flg_0): New.
6476 (m32c_expand_movcc): New.
6477 (m32c_expand_insv): New.
6478 (m32c_scc_pattern): New.
6479 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
6480 a0/a1 out of SIregs.
6481 (STORE_FLAG_VALUE): New.
6482 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
6485 * config/m32c/mov.md: Make constraints more liberal.
6486 (zero_extendqihi2): Optimize r0/r1 case.
6487 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
6488 * config/m32c/predicates.md (m32c_any_operand): New.
6489 (m32c_nonimmediate_operand): New.
6490 (m32c_hl_operand): New.
6491 (m32c_r3_operand): New.
6494 (memsym_operand): New.
6495 (memimmed_operand): New.
6496 (a_qi_operand): New.
6497 (m32c_eqne_operator): New.
6498 (m32c_1bit8_operand): New.
6499 (m32c_1bit16_operand): New.
6500 (m32c_1mask8_operand): New.
6501 (m32c_1mask16_operand): New.
6502 * config/m32c/blkmov.md: New file.
6503 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6505 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6507 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6508 unsigned to fix signed/unsigned comparison issue in
6509 DWARF2_FRAME_REG_OUT.
6510 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6511 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6513 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6514 of ptr into the ENABLE_CHECKING section.
6516 2006-03-08 Jeff Law <law@redhat.com>
6518 * tree-vrp.c (infer_value_range): Only count pointer uses
6519 and dereferences if -fdelete-null-pointer-checks is enabled.
6521 * tree-vrp.c (find_assert_locations): Infer value ranges for
6522 single use pointers, but do not create ASSERT_EXPRs for them.
6523 When a non-null range is inferred for a pointer, backwards
6524 propagate that range to other equivalent pointers through the
6527 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6530 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6531 language hook targets.
6532 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6533 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6534 if language hook targets were missing.
6536 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6538 * tree-ssa-opfinalize.h: Removed.
6539 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6541 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6542 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6543 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6544 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6545 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6546 finalize_ssa_v_must_def_ops): New.
6548 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6550 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6553 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6555 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6557 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6558 addresses with offsets; reorganize.
6560 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6561 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6562 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6564 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6567 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6569 2006-03-08 Ben Elliston <bje@au.ibm.com>
6571 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6573 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6576 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6579 2006-03-07 Richard Guenther <rguenther@suse.de>
6581 PR tree-optimization/26587
6582 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6584 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6586 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6588 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6590 * hooks.c (hook_bool_mode_rtx_true): New function.
6591 * hooks.h (hook_bool_mode_rtx_true): Declare.
6592 * toplev.c (compile_file): Call output_shared_constant_pool.
6593 * varasm.c (shared_constant_pool): New variable.
6594 (assemble_start_function, assemble_end_function): Remove arguments
6595 from call to output_constant_pool.
6596 (create_constant_pool): New function, split out from...
6597 (init_varasm_status): ...here.
6598 (force_const_mem): Choose between the shared and per-function constant
6599 pools. Set current_function_uses_const_pool when reusing old entries
6600 as well as when creating new ones.
6601 (mark_constant): Ignore data argument.
6602 (mark_constants): Remove pool argument.
6603 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6604 to decide whether the function uses a constant pool.
6605 (output_constant_pool_contents): New function, split out from...
6606 (output_constant_pool): ...here.
6607 (output_shared_constant_pool): New function.
6608 (init_varasm_once): Initialize shared_constant_pool.
6609 * output.h (output_constant_pool): Delete.
6610 (output_shared_constant_pool): Declare.
6611 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6612 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6614 2006-03-06 Nick Clifton <nickc@redhat.com>
6616 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6617 flag_strength_reduce.
6619 2006-03-06 Ben Elliston <bje@au.ibm.com>
6621 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6622 x86_64-*-linux* configurations.
6624 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6625 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6627 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6629 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6631 * basic-block.h: Remove the extern for
6632 rediscover_loops_after_threading.
6634 * cfgloop.c (cancel_loop): Make it static.
6635 * cfgloop.h: Remove the prototype for cancel_loop.
6637 * flow.c (recompute_reg_usage): Make it static.
6638 * rtl.h: Remove the prototype for recompute_reg_usage.
6640 * function.c (use_return_register): Make it static.
6641 * function.h: Remove the prototype.
6643 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6645 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6647 * recog.h: Remove the prototype for
6648 validate_change_maybe_volatile.
6650 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6652 * rtlanal.c (replace_reg): Remove.
6653 * rtl.h: Remove the prototype for replace_reg.
6655 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6657 * regclass.c (reg_scan_update): Remove.
6658 (reg_scan_mark_refs): Remove the last argument.
6659 * rtl.h: Remove the prototype for reg_scan_update.
6661 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6663 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6664 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6665 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6666 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6667 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6668 loop-invariant.c, omp-low.c, opts.c, passes.c,
6669 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6670 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6671 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6672 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6673 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6674 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6676 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6678 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6679 * dwarf2out.h: Remove the prototype for
6680 dwarf2out_add_library_unit_info.
6682 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6684 * tree.c (add_var_to_bind_expr): Remove.
6685 * tree.h: Remove the prototype for add_var_to_bind_expr.
6687 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6689 * regclass.c (n_non_fixed_regs): Remove.
6690 (init_reg_sets_1, globalize_reg): Remove all uses of
6692 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6694 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6696 * rtlanal.c (insns_safe_to_move_p): Remove.
6697 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6699 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6701 * expmed.c (expand_mult_add): Remove.
6702 * expr.h: Remove the prototype for expand_mult_add.
6704 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6706 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6707 and REG_SAVED_VAL_EXP constants.
6708 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6709 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6710 Handle regs stored by value.
6711 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6712 (execute_cfa_program): Handle DW_CFA_val_offset,
6713 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6714 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6715 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6716 (uw_install_context_1): Handle target regs stored by value.
6718 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6720 * tree-sra.c (tree_sra): Return todoflags;
6721 (generate_one_element): Set TODO_update_smt_usage if needed.
6722 (pass_sra): Remove TODO_update_smt_usage.
6723 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6725 (tree_ssa_forward_propagate_single_use_vars): Return
6726 TODO_update_smt_usage if we need to update SMT usage.
6727 (pass_forwprop): Remove TODO_update_smt_usage.
6729 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6731 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6732 (correct_use_link): Remove reference to get_stmt_operands.
6733 (update_stmt_operands): Likewise.
6734 (get_modify_expr_operands): New function factored out of
6735 parse_ssa_operands and get_expr_operands.
6736 Try to create V_MUST_DEFs for LHS by default.
6737 (get_expr_operands) <case MODIFY_EXPR>: Call
6738 get_modify_expr_operands.
6739 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6740 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6741 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6742 get_modify_expr_operands.
6744 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6746 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6747 * tree-flow.h: Remove the prototype for
6748 referenced_var_lookup_if_exists.
6750 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6752 PR rtl-optimization/26345
6754 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6756 2006-03-03 Roger Sayle <roger@eyesopen.com>
6758 PR tree-optimization/26524
6759 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6760 fold_convert to create a constant of the appropriate type.
6762 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6764 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6765 SYMBOL_REF_IN_BLOCK_P.
6766 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6767 of SYMBOL_FLAG_IN_BLOCK.
6768 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6769 instead of SYMBOL_REF_IN_BLOCK_P.
6770 * explow.c (use_anchored_address): Likewise.
6771 * rtl.c (rtx_size): Likewise.
6772 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6773 instead of SYMBOL_FLAG_IN_BLOCK.
6774 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6775 SYMBOL_REF_IN_BLOCK_P.
6776 (assemble_variable): Likewise.
6777 (output_constant_def_contents): Likewise.
6778 (output_constant_pool): Likewise.
6779 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6780 instead of SYMBOL_FLAG_IN_BLOCK.
6781 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6782 SYMBOL_REF_IN_BLOCK_P.
6783 (SYMBOL_REF_BLOCK): Likewise.
6784 (SYMBOL_REF_OFFSET): Likewise.
6785 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6786 SYMBOL_REF_IN_BLOCK_P.
6787 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6788 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6789 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6790 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6792 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6794 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6796 2006-03-02 Roger Sayle <roger@eyesopen.com>
6798 * simplify-rtx.c (simplify_unary_operation): When simplifying
6799 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6800 that we perform the right shift in the appropriate mode, and
6801 then extend or truncate the result to requested mode.
6803 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6805 * gengtype.c (main): Handle double_int type.
6806 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6807 * double-int.c: New file.
6808 * double-int.h: New file.
6809 * system.h: Include doubleint.h.
6810 * Makefile.in (SYSTEM_H): Include double-int.h.
6811 (double-int.o): Add.
6813 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6816 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6819 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6821 * tree-vrp.c (remove_range_assertions): Do not update statements
6824 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6826 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6828 * gcse.c (rest_of_handle_gcse): Ditto.
6829 * except.c (gate_handle_eh): Ditto.
6830 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6831 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6833 2006-03-02 Eric Christopher <echristo@apple.com>
6835 * config/i386/i386.c (machopic_output_stub): Add indirection to
6838 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6842 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6844 Sun Niagara specific optimizations.
6845 * config.gcc: Recognize niagara as target.
6846 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6847 (TARGET_CPU_niagara): Define.
6848 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6849 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6850 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6851 (ASM_CPU_SPEC): Likewise.
6852 (PROCESSOR_NIAGARA): New enum entry.
6853 (REGISTER_MOVE_COST): Handle Niagara.
6854 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6855 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6856 (sparc_override_options): Recognize "niagara", set appropriate
6857 default MASK_* values for it, and align functions to 32-bytes
6858 by default just like ULTRASPARC/ULTRASPARC3.
6859 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6860 (sparc64_initialize_trampoline): Likewise.
6861 (sparc_use_sched_lookahead): Use zero for niagara.
6862 (sparc_issue_rate): Use one for niagara.
6863 * config/sparc/niagara.md: New file.
6864 * config/sparc/sparc.md: Include it.
6865 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6866 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6867 when default cpu is niagara.
6868 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6869 (ASM_CPU_SPEC): Likewise.
6870 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6871 when default cpu is niagara.
6872 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6873 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6874 just like v9/ultrasparc/ultrasparc3.
6875 * doc/invoke.texi: Add documentation for "niagara" and improve
6876 existing documentation for ultrasparc variants.
6878 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6880 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6882 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6884 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6885 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6886 and say that only one is needed.
6887 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6888 * target.h (have_switchable_bss_sections): New hook.
6889 * explow.c (use_anchored_address): Check that the symbol is in a block.
6890 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6891 (bss_noswitch_section): New variables.
6892 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6893 (get_noswitch_section): New function.
6894 (get_block_for_section): Allow SECT to be null.
6895 (unlikely_text_section_p): Use SECTION_STYLE.
6896 (bss_initializer_p): New function.
6897 (get_variable_section): Move earlier in file. Take a new argument,
6898 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6899 Return one of the new *_sections in such cases.
6900 (get_block_for_decl): New function, extracting some logic from
6901 use_blocks_for_decl_p.
6902 (change_symbol_section): Remove in favor of...
6903 (change_symbol_block): ...this new function.
6904 (use_blocks_for_decl_p): Remove checks now performed by
6906 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6907 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6908 (emit_local, emit_bss, emit_common): ...these new functions.
6909 Return true if the alignment was honored.
6910 (emit_tls_common): New function.
6911 (asm_emit_uninitialised): Delete.
6912 (assemble_variable_noswitch): New function, split out from...
6913 (assemble_variable): ...here. Don't make decisions about common
6914 variables here. Globalize all public decls that go into non-common
6915 sections. Check whether SYMBOL_REF_BLOCK is null.
6916 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6917 (output_constant_pool): Likewise.
6918 (init_varasm_once): Initialize the new section variables.
6919 (have_global_bss_p): New function.
6920 (categorize_decl_for_section): Use bss_initializer_p.
6921 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6922 (place_block_symbol): Assert that the symbol must be in a block.
6923 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6924 (TARGET_INITIALIZER): Include it.
6925 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6926 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6927 (SECTION_MACH_DEP): Bump by two.
6928 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6929 (unnamed_section): Mention SECTION_UNNAMED in comment.
6930 (named_section): Likewise SECTION_NAMED.
6931 (noswitch_section_callback): New type.
6932 (noswitch_section): New structure.
6933 (section): Add a noswitch_section alternative.
6934 (SECTION_STYLE): New macro.
6935 (tls_comm_section, comm_section, lcomm_section): Declare.
6936 (bss_noswitch_section, have_global_bss_p): Declare.
6937 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6938 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6940 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6941 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6944 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6946 * tree-vrp.c (execute_vrp): Return value.
6947 * regrename.c (rest_of_handle_regrename): Ditto.
6948 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6949 * tree-complex.c (tree_lower_complex): Ditto.
6950 (tree_lower_complex_O0): Ditto.
6951 * tracer.c (rest_of_handle_tracer): Ditto.
6952 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6953 * postreload.c (rest_of_handle_postreload): Ditto.
6954 * tree-tailcall.c (execute_tail_recursion): Ditto.
6955 (execute_tail_calls): Ditto.
6956 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6957 * tree.h (init_function_for_compilation): Ditto.
6958 * ipa-cp.c (ipcp_driver): Ditto.
6959 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6960 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6961 * final.c (compute_alignments): Ditto.
6962 (rest_of_handle_final): Ditto.
6963 (rest_of_handle_shorten_branches): Ditto.
6964 (rest_of_clean_state): Ditto.
6965 * omp-low.c (execute_expand_omp): Ditto.
6966 (execute_lower_omp): Ditto.
6967 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6968 * ipa-reference.c (static_execute): Ditto.
6969 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6970 * reorg.c (rest_of_handle_delay_slots): Ditto.
6971 (rest_of_handle_machine_reorg): Ditto.
6972 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6973 * flow.c (recompute_reg_usage): Ditto.
6974 (rest_of_handle_remove_death_notes): Ditto.
6975 (rest_of_handle_life): Ditto.
6976 (rest_of_handle_flow2): Ditto.
6977 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6978 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6979 (do_ssa_store_ccp): Ditto.
6980 (execute_fold_all_builtins): Ditto.
6981 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6982 * modulo-sched.c (rest_of_handle_sms): Ditto.
6983 * ipa-pure-const.c (static_execute): Ditto.
6984 * cse.c (rest_of_handle_cse): Ditto.
6985 (rest_of_handle_cse2): Ditto.
6986 * web.c (rest_of_handle_web): Ditto.
6987 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6988 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6989 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6990 * tree-nrv.c (tree_nrv): Ditto.
6991 (execute_return_slot_opt): Ditto.
6992 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6993 (create_structure_vars): Ditto.
6994 * loop-init.c (rtl_loop_init): Ditto.
6995 (rtl_loop_done): Ditto.
6996 (rtl_move_loop_invariants): Ditto.
6997 (rtl_unswitch): Ditto.
6998 (rtl_unroll_and_peel_loops): Ditto.
6999 (rtl_doloop): Ditto.
7000 * gimple-low.c (lower_function_body): Ditto.
7001 (mark_used_blocks): Ditto.
7002 * tree-ssa-sink.c (execute_sink_code): Ditto.
7003 * ipa-inline.c (cgraph_decide_inlining): Ditto.
7004 (cgraph_early_inlining): Ditto.
7005 * global.c (rest_of_handle_global_alloc): Ditto.
7006 * jump.c (cleanup_barriers): Ditto.
7007 (purge_line_number_notes): Ditto.
7008 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
7009 (rest_of_handle_if_after_reload): Ditto.
7010 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
7011 (tree_ssa_loop_im): Ditto.
7012 (tree_ssa_loop_unswitch): Ditto.
7013 (tree_vectorize): Ditto.
7014 (tree_linear_transform): Ditto.
7015 (tree_ssa_loop_ivcanon): Ditto.
7016 (tree_ssa_empty_loop): Ditto.
7017 (tree_ssa_loop_bounds): Ditto.
7018 (tree_complete_unroll): Ditto.
7019 (tree_ssa_loop_prefetch): Ditto.
7020 (tree_ssa_loop_ivopts): Ditto.
7021 (tree_ssa_loop_done): Ditto.
7022 * predict.c (tree_estimate_probability): Ditto.
7023 * recog.c (split_all_insns_noflow): Ditto.
7024 (rest_of_handle_peephole2): Ditto.
7025 (rest_of_handle_split_all_insns): Ditto.
7026 * tree-eh.c (lower_eh_constructs): Ditto.
7027 * regmove.c (rest_of_handle_regmove): Ditto.
7028 (rest_of_handle_stack_adjustments): Ditto.
7029 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
7030 * function.c (instantiate_virtual_regs): Ditto.
7031 (init_function_for_compilation): Ditto.
7032 (rest_of_handle_check_leaf_regs): Ditto.
7033 * gcse.c (rest_of_handle_jump_bypass): Ditto.
7034 (rest_of_handle_gcse): Ditto.
7035 * ipa-type-escape.c (type_escape_execute): Ditto.
7036 * alias.c (rest_of_handle_cfg): Ditto.
7037 * tree-if-conv.c (main_tree_if_conversion): Ditto.
7038 * profile.c (rest_of_handle_branch_prob): Ditto.
7039 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
7040 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
7041 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
7042 * tree-dfa.c (find_referenced_vars): Ditto.
7043 * except.c (set_nothrow_function_flags): Ditto.
7044 (convert_to_eh_region_ranges): Ditto.
7045 (rest_of_handle_eh): Ditto.
7046 * emit-rtl.c (unshare_all_rtl): Ditto.
7047 (remove_unnecessary_notes): Ditto.
7048 * except.h (set_nothrow_function_flags): Ditto.
7049 (convert_to_eh_region_ranges): Ditto.
7050 * cfgexpand.c (tree_expand_cfg): Ditto.
7051 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
7052 * tree-ssa-pre.c (do_pre): Ditto.
7053 (execute_fre): Ditto.
7054 * cfgcleanup.c (rest_of_handle_jump): Ditto.
7055 (rest_of_handle_jump2): Ditto.
7056 * tree-sra.c (tree_sra): Ditto.
7057 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
7058 (execute_mudflap_function_decls): Ditto.
7059 * tree-ssa-copy.c (do_copy_prop): Ditto.
7060 (do_store_copy_prop): Ditto.
7061 * ipa-prop.h (ipcp_driver): Ditto.
7062 * cfglayout.c (insn_locators_initialize): Ditto.
7063 * tree-ssa-forwprop.c
7064 (tree_ssa_forward_propagate_single_use_vars): Ditto.
7065 * cfglayout.h (insn_locators_initialize): Ditto.
7066 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
7067 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
7068 (execute_late_warn_uninitialized): Ditto.
7069 * rtl.h (cleanup_barriers): Ditto.
7070 (split_all_insns_noflow): Ditto.
7071 (purge_line_number_notes): Ditto.
7072 (unshare_all_rtl): Ditto.
7073 (remove_unnecessary_notes): Ditto.
7074 (recompute_reg_usage): Ditto.
7075 (variable_tracking_main): Ditto.
7076 * integrate.c (emit_initial_value_sets): Ditto.
7077 * integrate.h (emit_initial_value_sets): Ditto.
7078 * tree-optimize.c (execute_free_datastructures): Ditto
7079 (execute_free_cfg_annotations): Ditto.
7080 (execute_fixup_cfg): Ditto.
7081 (execute_cleanup_cfg_pre_ipa): Ditto.
7082 (execute_cleanup_cfg_post_optimizing): Ditto.
7083 (execute_init_datastructures): Ditto.
7084 * tree-object-size.c (compute_object_sizes): Ditto.
7085 * combine.c (rest_of_handle_combine): Ditto.
7086 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
7087 * bb-reorder.c (duplicate_computed_gotos): Ditto.
7088 (rest_of_handle_reorder_blocks): Ditto.
7089 (rest_of_handle_partition_blocks): Ditto.
7090 * var-tracking.c (variable_tracking_main): Ditto.
7091 * tree-profile.c (tree_profiling): Ditto.
7092 * tree-vect-generic.c (expand_vector_operations): Ditto.
7093 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
7094 * sched-rgn.c (rest_of_handle_sched): Ditto.
7095 (rest_of_handle_sched2): Ditto.
7096 * basic-block.h (free_bb_insn): Ditto.
7097 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
7098 * tree-cfg.c (execute_build_cfg): Ditto.
7099 (remove_useless_stmts): Ditto.
7100 (split_critical_edges): Ditto.
7101 (execute_warn_function_return): Ditto.
7102 (execute_warn_function_noreturn): Ditto.
7103 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
7104 * cfgrtl.c (free_bb_for_insn): Ditto.
7105 * passes.c (execute_one_pass): Run additional
7106 todos returned by execute function.
7107 * tree-pass.h (struct tree_opt_pass): Make execute
7110 2006-03-02 Richard Guenther <rguenther@suse.de>
7112 * tree-ssa-alias.c (find_used_portions): Consider taking
7113 the address as making the variable not write-only.
7115 2006-03-02 Nick Clifton <nickc@redhat.com>
7117 * config.gcc (default_use_cxa_atexit): Extend the description of
7118 this configure variable. Set its default value to "yes" for
7119 Linux, NetBSD and ELF targets on the assumption that they will
7120 use C libraries with the __cxa_atexit function.
7122 2006-03-02 Ben Elliston <bje@au.ibm.com>
7124 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
7125 parameter as unused to suppress a build warning.
7127 2006-03-02 Ben Elliston <bje@au.ibm.com>
7129 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
7132 2006-03-01 Roger Sayle <roger@eyesopen.com>
7135 * gthr-posix.h (__gthrw2): Define to take three parameters, the
7136 declared name, the weak reference name, and the typeof name.
7137 (__gthrw): Avoid expanding the declared name suffix.
7138 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
7140 2006-03-01 Jakub Jelinek <jakub@redhat.com>
7142 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
7144 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
7145 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
7146 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
7147 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
7148 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
7149 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
7150 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
7151 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
7152 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
7153 DW_DS_leading_separate, DW_DS_trailing_separate): New.
7154 (DW_END_default, DW_END_big, DW_END_little): New.
7155 (DW_END_lo_user, DW_END_hi_user): Define.
7156 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
7157 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
7158 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
7161 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7163 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
7165 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
7167 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
7169 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
7171 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
7172 to 'symbol_mem_tag'.
7174 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
7177 2006-03-01 Roger Sayle <roger@eyesopen.com>
7179 * builtins.c (fold_builtin_copysign): Delete unreachable code.
7181 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7184 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
7185 MACHO_DYNAMIC_NO_PIC_P.
7186 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
7188 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7191 * config/darwin-protos.h (darwin_asm_output_anchor):
7193 * config/darwin-sections.def (cstring_section):
7194 Add SECTION_MERGE to the flags.
7195 (literal4_section): Likewise.
7196 (literal8_section): Likewise.
7197 (objc_selector_refs_section): Likewise.
7198 (objc_cls_refs_section): Likewise.
7199 * config/darwin.c (darwin_asm_output_anchor): New
7201 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7203 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
7205 Fix PR tree-optimization/26443
7206 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
7207 to todo and PROP_tmt_usage to properties_destroyed.
7208 * tree-ssa-ccp.c (pass_ccp): Ditto.
7209 (pass_store_ccp): Ditto.
7210 * tree-ssa-dom.c (pass_dominator): Ditto.
7212 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7214 * tree-ssa-operands.c: Cleanup whitespace.
7215 (get_asm_expr_operands): Move before first invocation.
7216 (get_indirect_ref_operands): Likewise.
7217 (get_tmr_operands): Likewise.
7218 (get_call_expr_operands): Likewise.
7219 (append_def): Likewise.
7220 (append_use): Likewise.
7221 (append_v_may_def): Likewise.
7222 (append_v_must_def): Likewise.
7223 (add_call_clobber_ops): Likewise.
7224 (add_call_read_ops): Likewise.
7225 (add_stmt_operand): Likewise.
7226 (add_virtual_operand): Likewise.
7227 (build_ssa_operands): Likewise.
7229 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
7234 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7235 with a call expr to ...
7236 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7238 2006-03-01 Diego Novillo <dnovillo@redhat.com>
7240 * tree-vrp.c (extract_range_from_assert): Remove special
7241 handling for types with super-types.
7243 2006-03-01 Ben Elliston <bje@au.ibm.com>
7245 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
7246 and powerpc64-*-linux* configurations.
7247 * config/t-dfprules: New file.
7249 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
7250 Compile dfp-bit.c from the source directory using -DWIDTH and
7251 $DFP_CFLAGS to control the compilation of that file, rather than
7252 generating width-specific versions in the build directory.
7253 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
7254 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
7256 2006-02-28 Zack Weinberg <zackw@panix.com>
7258 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
7261 2006-02-28 Eric Christopher <echristo@apple.com>
7263 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
7264 Set up IN_LIBGCC definition of TARGET_64BIT.
7265 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
7267 2006-02-28 Roger Sayle <roger@eyesopen.com>
7270 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
7271 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
7272 cases via the construction of "expr != 0".
7274 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
7276 * alias.c (alias_invariant, alias_invariant_size): Remove.
7277 (record_base_value): Remove.
7278 (memrefs_conflict_p): Don't look at alias_invariant.
7279 (end_alias_analysis): Don't free it.
7280 * alias.h (record_base_value): Remove prototype.
7282 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
7283 Adam Nemet <anemet@caviumnetworks.com>
7285 * rtl.h (truncated_to_mode): Declare it.
7286 (struct rtl_hooks): Add reg_truncated_to_mode hook.
7287 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
7288 (RTL_HOOKS_INITIALIZER): Include it.
7289 * rtlhooks.c (reg_truncated_to_mode_general): New function.
7290 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
7291 reg_truncated_to_mode.
7292 * rtlanal.c (truncated_to_mode): Define it.
7293 * simplify-rtx.c (simplify_unary_operation_1): Use it.
7295 2006-02-28 Jeff Law <law@redhat.com>
7297 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
7298 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
7299 the range allowed by TYPE_PRECISION.
7301 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
7303 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
7305 PR tree-optimization/26419
7306 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
7309 2006-02-27 Zack Weinberg <zackw@panix.com>
7311 * doc/md.texi: Fix typo in previous change.
7313 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7317 2006-02-27 Zack Weinberg <zackw@panix.com>
7319 * rtl.def (define_constraint, define_register_constraint)
7320 (define_memory_constraint, define_address_constraint): New MD forms.
7321 * gensupport.c (process_rtx): Put define_constraint etc on the
7323 * genpreds.c (process_define_predicate): Adjust comment. Validate
7324 the name, and call validate_exp to validate the expression.
7325 (mark_mode_tests, write_extract_subexp): Can assume correct input.
7326 (write_predicate_expr): Likewise. NAME argument no longer necessary;
7327 all callers changed.
7328 (validate_exp, needs_variable, struct constraint_data)
7329 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
7330 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
7331 (const_dbl_constraints, constraint_max_namelen)
7332 (have_register_constraints, have_memory_constraints)
7333 (have_address_constraints, have_address_constraints)
7334 (have_extra_constraints, have_const_int_constraints)
7335 (have_const_dbl_constraints, mangle, add_constraint)
7336 (process_define_constraint, process_define_register_constraint)
7337 (write_enum_constraint_num, write_lookup_constraint)
7338 (write_insn_constraint_len, write_regclass_for_constraint)
7339 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
7340 (write_insn_extra_memory_constraint)
7341 (write_insn_extra_address_constraint)
7342 (write_satisfies_constraint_fns): New.
7343 (write_tm_preds_h): If we have new-style constraint definitions,
7344 prototype the functions generated from them, and define the
7345 old constraint interface (still used by generic code) in terms of
7347 (write_insn_preds_c): If we have new-style constraint definitions,
7348 generate all relevant functions from those definitions.
7349 (main): Handle define_constraint etc.
7350 * genoutput.c (struct constraint_data, indep_constraints)
7351 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
7352 (mdep_constraint_len): New data structures and functions, defined
7353 #ifdef USE_MD_CONSTRAINTS.
7354 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
7355 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
7356 use new logic to validate operand constraints against constraint
7358 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
7360 * defaults.h: If none of the old-style constraint macros are
7361 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
7362 old-style macros; and poison REG_CLASS_FROM_LETTER,
7363 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
7365 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
7366 * doc/md.texi: Document new constraint-definition mechanism and the
7367 C interface it provides. Remove references to old mechanism
7368 elsewhere in the document.
7369 (Machine Constraints): Use pathnames relative to gcc directory,
7370 i.e. config/ARCH/FILE. Change i386 section to refer to
7371 config/i386/predicates.md; update that section to match docstrings.
7372 * doc/tm.texi: Move all documentation of the old constraint-
7373 definition macros to their own section, clearly mark as obsolete.
7375 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
7376 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
7378 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
7379 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7380 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
7382 (splits and peepholes): Use satisfies_constraint_*.
7383 * config/i386/i386.c (memory_address_length)
7384 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
7386 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7388 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
7389 scalar operation to be put back into the loop.
7391 2006-02-27 Jakub Jelinek <jakub@redhat.com>
7394 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
7395 (extract_cie_info): Handle S flag in augmentation string.
7396 (execute_cfa_program): If context->signal_frame, execute also
7397 fs->pc == context->ra instructions.
7398 (uw_frame_state_for): If context->signal_frame, don't subtract one
7399 from context->ra to find FDE.
7400 (uw_update_context_1): Set context->signal_frame to
7402 (_Unwind_GetIPInfo): New function.
7403 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
7404 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
7406 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
7407 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
7408 * unwind-compat.c (_Unwind_GetIPInfo): New function.
7409 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
7410 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
7411 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
7412 * config/i386/linux-unwind.h (x86_fallback_frame_state,
7413 x86_64_fallback_frame_state): Set fs->signal_frame.
7414 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
7415 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
7416 (frob_update_context): Likewise. Workaround missing S flag in
7417 Linux 2.6.12 - 2.6.16 kernel vDSOs.
7418 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
7419 Remove the psw_addr + 1 hack.
7421 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
7423 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
7424 with aggregates here.
7425 (find_func_aliases): Remove code for &<aggregate> from here.
7427 2006-02-26 Roger Sayle <roger@eyesopen.com>
7429 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
7430 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
7431 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
7434 2006-02-26 Roger Sayle <roger@eyesopen.com>
7437 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
7439 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
7441 * opts.c (decode_options): Do not handle flag_strength_reduce.
7442 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
7443 and OPT_fstrength_reduce.
7444 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
7445 flag_prefetch_loop_arrays for being nonzero.
7446 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
7448 (fprefetch-loop-arrays-rtl): Removed.
7449 (flag_prefetch_loop_arrays): Do not specify the value.
7451 * doc/passes.texi: Update documentation of loop optimizer
7453 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
7454 -frerun-loop-opt): Remove.
7456 2006-02-26 Richard Guenther <rguenther@suse.de>
7458 PR tree-optimization/26421
7459 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
7460 in function calls that are ADDR_EXPRs as using the whole structure.
7462 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
7464 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
7465 * tree-pass.h (pass_loop_optimize): Remove.
7466 * passes.c (pass_loop_optimize): Never run it.
7467 * toplev.c (backend_init): Don't call init_loop.
7468 * opts.c (flag_loop_optimize_set): Remove.
7469 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
7470 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
7471 the old RTL loop optimizer when profiling enabled.
7472 * predict.c (tree_estimate_probability): Always strip builtin_expect.
7473 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
7474 pre-headers for the sake of the old RTL loop optimizer.
7475 * Makefile.in: Remove all references to loop.o.
7477 * doc/invoke.texi: Remove all references to -floop-optimize
7478 and -frerun-loop-opt.
7480 2006-02-26 Zack Weinberg <zackw@panix.com>
7482 * doc/md.texi (Machine Constraints): Refer to all files with paths
7483 relative to gcc directory (i.e. config/CPU/file). Add missing
7484 @table @code ... @end table to M32C subsection.
7486 2006-02-26 Roger Sayle <roger@eyesopen.com>
7488 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
7490 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
7492 2006-02-26 Roger Sayle <roger@eyesopen.com>
7493 James A. Morrison <phython@gcc.gnu.org>
7496 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7497 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7498 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7499 signedness of the shift operation.
7501 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7503 PR tree-optimization/26359
7504 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7506 2006-02-25 Roger Sayle <roger@eyesopen.com>
7508 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7509 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7510 as X == 0, and some symmetry related transformations.
7511 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7513 2006-02-25 Roger Sayle <roger@eyesopen.com>
7516 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7517 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7518 symmetry related transformations. Fold (X^C1) == C2 as
7521 2006-02-25 Juergen Weigert <jw@suse.de>
7522 Richard Guenther <rguenther@suse.de>
7524 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7526 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7528 * combine.c (gen_lowpart_or_truncate): Call
7529 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7531 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7533 * doc/invoke.texi: Move -fopenmp description to "Options for
7535 Remove reference to -lgomp.
7537 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7539 * doc/install.texi: Require GNU tar version 1.14.
7541 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7543 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7544 * doc/invoke.texi (C++ Dialect Options): Document
7545 -fno-use-cxa-get-exception-ptr.
7546 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7547 * configure: Regenerate.
7548 * c.opt (fuse-cxa-get-exception-ptr): New.
7549 * c-opts.c (c_common_handle_option): Handle
7550 OPT_fuse_cxa_get_exception_ptr.
7551 * c-common.c (flag_use_cxa_atexit): Update documentation.
7552 (flag_use_cxa_get_exception_ptr): New.
7553 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7554 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7556 (C_COMMON_OVERRIDE_OPTIONS): New.
7558 2006-02-24 Roger Sayle <roger@eyesopen.com>
7561 * combine.c (try_combine): Explicitly check whether GET_CODE is
7562 a SET or a CLOBBER, instead on checking that it isn't a USE.
7564 2006-02-24 Roger Sayle <roger@eyesopen.com>
7566 * fold-const.c (fold_comparison): New subroutine of fold_binary
7567 containing transformations common to both the equality and
7568 ordering relational operators, factored out of fold_binary.
7569 (fold_binary): Separate out the equality operators (EQ_EXPR
7570 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7571 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7572 transformations common to both.
7573 (fold_div_compare): Fix latent bugs in the previously unreachable
7574 LT_EXPR and GE_EXPR cases.
7576 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7578 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7579 decl libname for clog to __clog on AIX.
7581 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7583 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7586 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7587 output traceback table for thunks. Localise rs6000_stack_info call.
7589 2006-02-23 Roger Sayle <roger@eyesopen.com>
7590 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7592 * gthr-posix.h (__gthrw): Fix typo in comment.
7594 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7596 * doc/cpp.texi (Character sets): Document that we do support
7597 input files to be in any character set.
7599 2006-02-23 Jeff Law <law@redhat.com>
7601 * tree.h (PHI_ARG_NONZERO): Remove.
7602 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7603 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7604 node to the new node.
7606 PR tree-optimization/26425
7607 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7608 min/max, then assume its varying.
7610 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7612 PR rtl-optimization/26316
7613 * rtlanal.c (enum may_trap_p_flags): New.
7614 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7615 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7616 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7617 (may_trap_after_code_motion_p): New function.
7618 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7619 (find_invariant_insn): Use may_trap_after_code_motion_p.
7620 * rtl.h (may_trap_after_code_motion_p): Declare.
7622 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7624 * emit-rtl.c (immed_double_const): Cleanup.
7626 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7628 Fix PR tree-optimization/26376
7629 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7632 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7635 * gimplify.c (omp_add_variable): Guard variable size decl test with
7636 DECL_SIZE (decl) check.
7638 2006-02-23 Richard Guenther <rguenther@suse.de>
7641 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7642 like aggregate types.
7644 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7646 * configure.ac: Add --with{,out}-long-double-128 configure option.
7647 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7648 * configure: Rebuilt.
7649 * config.in: Rebuilt.
7650 * doc/install.texi (Options specification): Document
7651 --with-long-double-128.
7653 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7654 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7655 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7656 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7658 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7660 * config/s390/s390.c (override_options): Handle
7661 TARGET_DEFAULT_LONG_DOUBLE_128.
7663 * config/alpha/alpha.c (override_options): Handle
7664 TARGET_DEFAULT_LONG_DOUBLE_128.
7666 * config/sparc/sparc.c (sparc_override_options): Handle
7667 TARGET_DEFAULT_LONG_DOUBLE_128.
7669 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7671 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7672 (real-install-headers-tar, real-install-headers-cpio)
7673 (real-install-headers-cp): New targets.
7675 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7677 * tree.h (variable_section): Delete.
7678 * varasm.c (variable_section): Delete.
7680 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7682 * install.texi: Add notes on install.texi2html.
7683 (Building in parallel): Do not use footnotes.
7685 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7688 * doc/install.texi (Configuration): Document --disable-libgomp.
7690 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7692 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7694 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7696 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7697 (vec_extractv2df_0_sse): New.
7699 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7701 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7702 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7703 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7704 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7705 to the result of the expression.
7706 (def_cfa_1): Adjust.
7707 (frame_pointer_cfa_offset): Rename to...
7708 (frame_pointer_fb_offset): ... this. Adjust all uses.
7709 (convert_cfa_to_loc_list): Rename to...
7710 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7711 Pass it on to build_cfa_loc.
7712 (compute_frame_pointer_to_cfa_displacement): Rename to...
7713 (compute_frame_pointer_to_fb_displacement): ... this. New
7714 offset parameter. Use it in computation.
7715 (gen_subprogram_die): Compute cfa_fb_offset with the new
7716 macro, and use it to compute the fb loc list and the
7719 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7721 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7722 replaced with register_operand.
7723 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7724 non-DREG is expensive.
7725 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7726 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7729 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7731 * doc/install.texi2html: Use set -e.
7733 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7735 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7736 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7737 * doc/invoke.texi (-fshared-data): Delete.
7738 * common.opt (fshared-data): Delete.
7739 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7740 (assemble_static_space): Remove #if 0 code.
7741 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7742 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7743 * config/cris/cris.h: Remove FIXME.
7745 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7747 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7750 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7753 * combine.c (simplify_shift_const_1): Disable nested shifts
7754 optimization for vector shifts.
7756 2006-02-20 Roger Sayle <roger@eyesopen.com>
7758 PR tree-optimization/26361
7759 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7760 of unsigned integer types.
7762 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7764 * tree-chrec.c (eq_evolutions_p): New.
7765 * tree-chrec.h (eq_evolutions_p): Declared.
7766 * tree-data-ref.c: Fix formatting.
7767 (datadep_stats, dependence_stats): New.
7769 (print_direction_vector): New.
7770 (dump_data_dependence_relation): Use print_direction_vector.
7771 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7772 (compute_subscript_distance): Static.
7773 (initialize_data_dependence_relation): Static. Get the number
7774 of loops surrounding the references from the callers, and initialize
7775 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7776 base_object_differ_p analyzers.
7777 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7778 compute_overlap_steps_for_affine_1_2,
7779 analyze_subscript_affine_affine): Count the classified dependences.
7780 Print a message when a test failed.
7781 (can_use_analyze_subscript_affine_affine): New.
7782 (analyze_siv_subscript): Compute the data dependences on symbolic
7783 scevs that verify can_use_analyze_subscript_affine_affine.
7784 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7785 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7786 Handle symbolic scevs.
7787 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7789 (subscript_dependence_tester): Moved...
7790 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7791 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7792 DDR_SIZE_VECT instead of getting it in parameter.
7793 (subscript_dependence_tester): ... here. Take as a parameter
7794 loop_nest_depth. Call build_classic_dist_vector and
7795 build_classic_dir_vector.
7796 (compute_affine_dependence): Update subscript_dependence_tester
7797 parameters. Update datadep_stats counters. Call
7798 compute_subscript_distance.
7799 (compute_self_dependence): Save the dist and dir vectors. Call
7800 compute_subscript_distance.
7801 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7802 (compute_all_dependences): Reorder parameters as they were before
7803 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7804 compute_subscript_distance. Update the use of
7805 compute_affine_dependence and initialize_data_dependence_relation.
7806 (find_data_references_in_loop): Handle COMPONENT_REF.
7807 (compute_data_dependences_for_loop): Initialize dependence_stats.
7808 Don't call build_classic_dist_vector and build_classic_dir_vector.
7809 Update the parameters of initialize_data_dependence_relation and
7810 compute_all_dependences. Print the statistics from datadep_stats.
7811 (analyze_all_data_dependences): Static. Not used until the pass for
7812 checking the data dependences is contributed.
7813 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7814 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7815 (initialize_data_dependence_relation, compute_affine_dependence,
7816 analyze_all_data_dependences, compute_subscript_distance): Removed.
7817 (print_direction_vector): New.
7818 * lambda.h (gcd): ... here.
7819 (lambda_vector_gcd): Moved here from gcd_vector.
7820 * lambda-code.c (gcd, gcd_vector): Removed.
7821 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7822 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7824 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7826 * ipa-type-escape.c: Tidy some comments and white space.
7827 * tree-ssa-operands.c: Likewise.
7829 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7832 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7833 (dump_decl_name): Do not walk the decl tree chains.
7834 * tree-pass.h (TDF_CHAIN): Remove.
7836 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7838 * Makefile.in (C): Remove
7840 (.PHONY): Remove C and PROTO
7842 2006-02-20 Roger Sayle <roger@eyesopen.com>
7845 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7846 deprecated CHAR_TYPE tree code.
7848 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7850 * configure.ac (target_list): Add install-info, dvi, html.
7851 * configure: Regenerate.
7853 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7854 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7855 treelang/Make-lang.in: Do not use double-colon rules.
7857 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7859 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7860 (TMT_USED_ALONE): New macro.
7861 * tree-pass.h (PROP_tmt_usage): New property.
7862 (TODO_update_tmt_usage): New todo.
7863 * tree-ssa-alias.c (updating_used_alone): New variable.
7864 (recalculate_used_alone): New function.
7865 (compute_may_aliases): Set updating_used_alone, call
7866 recalculate_used_alone.
7867 * tree-sra.c (pass_sra): Note that this pass destroys
7868 PROP_tmt_usage, and add TODO_update_tmt_usage.
7869 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7870 * tree-flow.h (updating_used_alone): Prototype.
7871 (recalculate_used_alone): Ditto.
7872 * passes.c (execute_todo): Add code to set updating_used_alone,
7873 and call recalculate.
7874 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7875 for clobber if used alone, and add assert to verify used_alone
7878 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7880 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7881 for non tls symbols added.
7882 (legitimize_address): Do nothing for PLUS expressions if one of the
7883 addends is a tls symbol reference.
7885 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7889 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7891 * Makefile.in (BOOTSTRAPPING): New.
7892 (quickstrap): New definition if BOOTSTRAPPING=yes.
7894 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7895 * configure.ac: Substitute all_selected_languages with the languages
7896 that were configured. For all the other variables except
7897 lang_specs_files, include all the languages in the tree.
7898 * configure: Regenerate.
7900 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7901 if there is one. Run the commands to run fixincludes in the same
7904 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7905 * doc/install.texi: Document exact conventions for searching target tools.
7906 Document --with-build-time-tools. Document toplevel bootstrap. Document
7907 something more about building an Ada cross-compiler. Don't list GNU Make
7908 requirements which affect all platforms.
7910 2006-02-19 Roger Sayle <roger@eyesopen.com>
7913 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7914 only equivalent if the have both the same mode and precision.
7916 2006-02-20 Ben Elliston <bje@au.ibm.com>
7918 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7920 2006-02-19 Roger Sayle <roger@eyesopen.com>
7921 Steven Bosscher <stevenb.gcc@gmail.com>
7923 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7924 constant pool references to identify stack mode constants.
7925 * rtlanal.c (constant_pool_constant_p): New predicate to check
7926 whether operand is a floating point constant in the pool.
7927 * rtl.h (constant_pool_constant_p): Prototype here.
7928 * loop.c (scan_loop): Avoid hoisting constants from the constant
7929 pool on STACK_REGS targets.
7930 (load_mems): Likewise.
7931 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7932 loads into x87 registers expensive in terms of register pressure.
7934 2006-02-19 Roger Sayle <roger@eyesopen.com>
7936 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7937 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7939 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7941 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7942 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7944 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7946 * doc/invoke.texi: Document -fipa-pta.
7947 * common.opt: Add ipa-pta option.
7948 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7949 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7950 (do_ds_constraint): Ditto.
7951 (get_constraint_for): Only add to referenced_vars if
7952 referenced_vars exists.
7953 (insert_into_field_list): Rewrite to do this unsorted.
7954 (insert_into_field_list_sorted): Rename old insert_into_field_list
7956 (create_function_info_for): Use insert_into_field_list_sorted.
7957 (create_variable_info_for): Rewrite so it uses unsorted version,
7958 since the field list is sorted.
7959 (intra_create_variable_infos): Only add to referenced_vars if
7960 referenced_vars exists.
7961 (ipa_pta_execute): Init heapvars, and delete when done.
7962 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7964 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7966 * doc/install.texi: Add missing `@samp'.
7968 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7970 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7973 2006-02-18 Mark Wielaard <mark@klomp.org>
7975 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7976 who added new 4.1 features, bug fixes and integration support.
7978 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7981 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7984 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7986 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7987 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7988 (copy_insn_1): Likewise. Don't copy each field individually.
7990 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7992 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7993 * rtl.c (rtx_size): Rename variable to...
7994 (rtx_code_size): ...this.
7995 (rtx_size): New function.
7996 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7997 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7999 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
8000 * rtl.h (rtx_code_size): New variable.
8001 (rtx_size): Change from a variable to a function.
8002 (RTX_SIZE): Rename to...
8003 (RTX_CODE_SIZE): ...this.
8006 PR tree-optimization/17106
8007 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
8008 (Anchored Addresses): New section.
8009 * doc/invoke.texi (-fsection-anchors): Document.
8010 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
8011 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
8012 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
8013 * hooks.c (hook_bool_mode_rtx_false): New function.
8014 * hooks.h (hook_bool_mode_rtx_false): Declare.
8015 * gengtype.c (create_optional_field): New function.
8016 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
8017 SYMBOL_REF_IN_BLOCK_P is true.
8018 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
8019 (min_anchor_offset, max_anchor_offset): Likewise.
8020 (use_anchors_for_symbol_p): New hook.
8021 * toplev.c (compile_file): Call output_object_blocks.
8022 (target_supports_section_anchors_p): New function.
8023 (process_options): Check that -fsection-anchors is only used on
8024 targets that support it and when -funit-at-a-time is in effect.
8025 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
8026 if the decl doesn't have one.
8027 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
8028 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
8029 of force_const_mem through use_anchored_address.
8030 (expand_expr_constant): New function.
8031 (expand_expr_addr_expr_1): Call it. Use the same modifier when
8032 calling expand_expr for INDIRECT_REF.
8033 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
8034 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
8035 * expr.h (use_anchored_address): Declare.
8036 * loop-unroll.c: Don't declare rtx vectors here.
8037 * explow.c: Include output.h.
8038 (validize_mem): Call use_anchored_address.
8039 (use_anchored_address): New function.
8040 * common.opt (-fsection-anchors): New switch.
8041 * varasm.c (object_block_htab, anchor_labelno): New variables.
8042 (hash_section, object_block_entry_eq, object_block_entry_hash)
8043 (use_object_blocks_p, get_block_for_section, create_block_symbol)
8044 (use_blocks_for_decl_p, change_symbol_section): New functions.
8045 (get_variable_section): New function, split out from assemble_variable.
8046 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
8047 use_blocks_for_decl_p say so. Use change_symbol_section if the
8048 symbol has already been created.
8049 (assemble_variable_contents): New function, split out from...
8050 (assemble_variable): ...here. Don't output any code for
8051 block symbols; just pass them to place_block_symbol.
8052 Use get_variable_section and assemble_variable_contents.
8053 (get_constant_alignment, get_constant_section, get_constant_size): New
8054 functions, split from output_constant_def_contents.
8055 (build_constant_desc): Create a block symbol if use_object_blocks_p
8056 says so. Or into SYMBOL_REF_FLAGS.
8057 (assemble_constant_contents): New function, split from...
8058 (output_constant_def_contents): ...here. Don't output any code
8059 for block symbols; just pass them to place_section_symbol.
8060 Use get_constant_section and get_constant_alignment.
8061 (force_const_mem): Create a block symbol if use_object_blocks_p and
8062 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
8063 (output_constant_pool_1): Add an explicit alignment argument.
8064 Don't switch sections here.
8065 (output_constant_pool): Adjust call to output_constant_pool_1.
8066 Switch sections here instead. Don't output anything for block symbols;
8067 just pass them to place_block_symbol.
8068 (init_varasm_once): Initialize object_block_htab.
8069 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
8070 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
8071 (place_block_symbol, get_section_anchor, output_object_block)
8072 (output_object_block_htab, output_object_blocks): New functions.
8073 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
8074 (TARGET_ASM_OUT): Include it.
8075 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
8076 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
8077 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
8078 (TARGET_INITIALIZER): Include them.
8079 * rtl.c (rtl_check_failed_block_symbol): New function.
8080 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
8081 (block_symbol, object_block): New structures.
8082 (rtx_def): Add a block_symbol field to the union.
8083 (BLOCK_SYMBOL_CHECK): New macro.
8084 (rtl_check_failed_block_symbol): Declare.
8085 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
8086 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
8087 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
8088 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
8089 * output.h (output_section_symbols): Declare.
8090 (object_block): Name structure.
8091 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
8092 (default_use_anchors_for_symbol_p): Declare.
8093 * Makefile.in (RTL_BASE_H): Add vec.h.
8094 (explow.o): Depend on output.h.
8095 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
8096 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8097 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8098 (rs6000_use_blocks_for_constant_p): New function.
8100 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8102 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
8104 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
8107 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
8110 2006-02-18 Diego Novillo <dnovillo@redhat.com>
8112 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
8116 2006-02-18 Jakub Jelinek <jakub@redhat.com>
8119 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
8120 instead of DECL_REGISTER.
8122 2006-02-18 Olivier Hainque <hainque@adacore.com>
8125 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
8127 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
8130 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
8131 * opth-gen.awk: Handle Var and InverseMask together.
8132 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
8133 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
8134 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
8135 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
8137 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8138 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8139 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
8140 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8141 LINUX_DYNAMIC_LINKER): Define.
8142 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
8143 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
8145 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8146 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
8147 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8148 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8149 (TARGET_C99_FUNCTIONS): Don't define.
8150 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
8151 GLIBC_DYNAMIC_LINKER.
8152 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
8153 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
8154 GLIBC_DYNAMIC_LINKER64): Define.
8155 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8156 LINUX_DYNAMIC_LINKER64.
8157 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8158 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8159 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
8160 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8161 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8162 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8163 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
8164 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
8165 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
8166 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
8167 and LINUX_DYNAMIC_LINKER32.
8168 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8169 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8170 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
8171 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8172 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
8174 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
8175 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
8176 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
8177 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8178 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8179 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
8180 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
8181 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
8182 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8183 LINUX_DYNAMIC_LINKER): Define.
8184 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
8185 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
8186 GLIBC_DYNAMIC_LINKER64): Define.
8187 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
8188 LINUX_DYNAMIC_LINKER64.
8189 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8190 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8191 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
8192 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
8193 LINUX_DYNAMIC_LINKER): Define.
8194 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8195 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8196 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
8197 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
8198 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
8199 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
8200 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
8201 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
8202 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
8203 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8204 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8205 * doc/invoke.texi (-muclibc): Remove caveat about supported
8208 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
8210 * doc/cpp.texi (__TIMESTAMP__): Document.
8212 2006-02-17 Roger Sayle <roger@eyesopen.com>
8215 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
8216 C is one less than the width of X (and related transformations).
8217 * simplify-rtx.c (simplify_unary_operation_1): Transform
8218 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
8219 depending on STORE_FLAG_VALUE, were C is one less then the
8222 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
8224 Fix PR tree-optimization/26341
8225 * tree-ssa-operands.c (add_virtual_operand): Remove assert
8226 about NAME_MEMORY_TAG's.
8228 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8231 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
8232 with hardware float support, and software float support. Add fcpy
8233 alternative to hardware patterns. Add alternatives to copy between
8234 general and floating-point registers to the 32-bit pattern.
8235 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
8236 secondary reload to load a QI or HI mode constant into a floating
8238 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
8239 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
8241 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
8244 * config/rs6000/darwin.md (load_macho_picbase_si): Add
8246 (load_macho_picbase_di): Likewise.
8248 2006-02-16 Jeff Law <law@redhat.com>
8250 * tree-vrp.c (set_value_range_to_nonnegative): New function.
8251 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
8252 (ssa_name_nonzero_p): Likewise.
8253 (get_value_range): Return NULL if VRP is not running.
8254 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
8255 VRP routines do not discover a range.
8256 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
8257 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
8258 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
8259 (tree_expr_nonnegative_p): Similarly.
8260 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
8261 (restore_nonzero_vars_to_original_value): Remove.
8262 (unsafe_associative_fp_binop): Remove.
8263 (tree_ssa_dominator_optimize): Remove initialization and
8264 finalization of nonzero_vars and nonzero_vars_stack.
8265 (dom_opt_initialize_block): No longer push marker on
8267 (dom_opt_finalize_block): No longer call
8268 restore_nonzero_vars_to_original_value.
8269 (record_equivalences_from_phis): No longer look for
8270 nonzero PHI arguments.
8271 (cprop_into_successor_phis): No longer propagate nonzero
8272 property into PHI arguments. Lose unused argument. Caller
8274 (record_equivalences_from_stmt): No longer record nonzero
8275 values for SSA_NAMEs.
8276 (lookup_avail_expr): No longer use nonzero_vars.
8278 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
8279 for sizetype when sizetype is unsigned.
8281 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
8283 PR rtl-optimization/25603
8284 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
8285 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
8286 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
8287 with new meaning of SETS.
8289 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
8294 * config/linux.opt: New file.
8295 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
8296 LINUX_DYNAMIC_LINKER): Define.
8297 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
8298 * config.gcc (*-*-linux*): Define extra_options.
8299 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
8300 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
8301 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
8302 GLIBC_DYNAMIC_LINKER.
8303 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
8304 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8305 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
8306 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
8307 * doc/invoke.texi (GNU/Linux Options): New section.
8309 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8311 * config/sparc/sparc.md (setjmp): Rewrite.
8312 (setjmp_32): Delete.
8313 (setjmp_64): Likewise.
8315 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
8317 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
8320 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8322 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
8325 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
8327 PR rtl-optimization/26296
8328 * Makefile.in (loop-invariant.c): Add except.h dependency.
8329 * loop-invariant.c: Include except.h.
8330 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
8332 2005-02-16 Paul Brook <paul@codesourcery.com>
8334 * reload1.c (emit_reload_insns): Invalidate dead input registers used
8337 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
8339 PR rtl-optimization/25636
8340 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
8341 when deciding whether an insn is an initializing insn.
8343 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
8345 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
8346 (tree_code_size): Ditto.
8347 * tree.h (struct tree_memory_tag): Remove parent_var.
8348 (struct tree_struct_field_tag): New.
8351 (union tree_node): Add sft member.
8352 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
8354 (create_sft): Add size and offset argument, set SFT_OFFSET and
8356 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
8357 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
8358 * tree-flow-inline.h (get_subvar_at): Update for
8359 SFT_OFFSET/SFT_SIZE.
8360 (var_can_have_subvars): Ditto.
8361 (overlap_subvar): Ditto.
8362 * print-tree.c (print_node): Print out interesting things for
8364 * tree-flow.h (struct subvar): Remove offset and size members.
8365 * tree-ssa-operands.c (get_expr_operands): Update for
8366 get_indirect_ref_operands changes.
8367 (get_indirect_ref_operands): Call add_virtual_operand instead of
8368 add_stmt_operand. Only recurse on base var if requested.
8369 (access_can_touch_variable): New function.
8370 (add_stmt_operand): Split virtual operand handling into ...
8371 (add_virtual_operand): Here. Add offset, size, and for_clobber
8372 arguments. Prune alias sets.
8373 (add_call_clobber_ops): Call add_virtual_operand.
8375 2006-02-15 Jakub Jelinek <jakub@redhat.com>
8378 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
8380 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
8381 than TREE_CODE as index into omp_clause_num_ops array.
8383 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
8385 PR rtl-optimization/26184
8386 * modulo-sched.c (generate_reg_moves): Free bitmap vector
8388 * modulo-sched.c (sms_schedule): Free g_arr pointer.
8389 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
8390 must_precede, must_follow and tobe_scheduled.
8393 * opts.c (common_handle_option): Free new_option pointer.
8394 * df-core.c (df_analyze): Free postorder pointer.
8396 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
8398 * Makefile.in: Fix the examples about the use of stamps
8400 2006-02-15 Michael Matz <matz@suse.de>
8404 * stor-layout.c (layout_decl): Zero-width bitfields aren't
8405 influenced by maximum_field_alignment or DECL_PACKED.
8406 (update_alignment_for_field): Ditto.
8407 (place_field): Ditto.
8408 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
8411 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
8413 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
8414 (debug_flow_info): Pass it.
8415 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
8416 * bb-reorder.c (reorder_basic_blocks): Likewise.
8417 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
8418 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
8419 * flow.c (life_analysis, recompute_reg_usage): Likewise.
8420 * gcse.c (gcse_main, bypass_jumps): Likewise.
8421 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
8422 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
8423 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
8424 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
8425 * rtl.h (dump_flow_info): Adjust prototype.
8426 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
8427 * var-tracking.c (variable_tracking_main): Likewise.
8428 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
8429 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
8432 2006-02-15 Marcin Dalecki <martin@dalecki.de>
8434 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
8437 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8439 PR tree-optimization/26209
8440 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
8441 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
8443 * tree-cfg.c (replace_uses_by): Do not alter cfg.
8445 2006-02-14 Roger Sayle <roger@eyesopen.com>
8448 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
8449 (X,Y) and the corresponding symmetry related transformations.
8450 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
8451 (X,Y) and its symmetry related transformations.
8453 2006-02-14 Roger Sayle <roger@eyesopen.com>
8455 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
8458 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
8460 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
8462 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8465 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
8466 support COMDAT group.
8467 * configure: Regenerate.
8469 2006-02-14 Roger Sayle <roger@eyesopen.com>
8474 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
8476 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
8478 Fix PR tree-optimization/26260
8480 * doc/invoke.texi (max-fields-for-field-sensitive): Document
8482 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
8483 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
8484 * tree-ssa-structalias.c (create_variable_info_for): Use
8485 MAX_FIELDS_FOR_FIELD_SENSITIVE.
8487 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8489 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
8491 * tree-ssa-loop-niter.c (number_of_iterations_ne,
8492 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
8493 of the ending condition.
8494 * tree-ssa-loop-manip.c: Include params.h.
8495 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8496 tree_unroll_loop): New functions.
8497 * tree-pass.h (pass_loop_prefetch): Declare.
8498 * loop.c (rest_of_handle_loop_optimize): Test for
8499 -fprefetch-loop-arrays-rtl.
8500 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8501 * timevar.def (TV_TREE_PREFETCH): New timevar.
8502 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8503 pass_loop_prefetch): New.
8504 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8505 (cleanup_tree_cfg_loop): Call scev_reset.
8506 * common.opt (fprefetch-loop-arrays-rtl): Add.
8507 * tree-ssa-loop-prefetch.c: New file.
8508 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8509 (new_temp_expr_table): Initialize expr_vars.
8510 (free_temp_expr_table): Cleanup expr_vars.
8511 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8512 expressions from being merged into one.
8513 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8514 (struct tree_niter_desc): Add control, bound and cmp fields.
8515 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8517 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8518 (tree-cfgcleanup.o): Add SCEV_H dependency.
8519 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8520 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8522 2006-02-14 Richard Guenther <rguenther@suse.de>
8524 PR tree-optimization/26258
8525 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8526 in PHI argument processing.
8528 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8530 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8531 new expression in the requested machine mode.
8533 2006-02-13 Roger Sayle <roger@eyesopen.com>
8535 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8536 directly, instead let do_compare_rtx_and_jump handle this for us.
8537 * expr.c (expand_expr_real_1): Likewise.
8538 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8539 before do_jump_by_parts_greater.
8540 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8541 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8543 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8545 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8547 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8549 PR rtl-optimization/26235
8550 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8551 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8554 2006-02-13 Jeff Law <law@redhat.com>
8556 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8559 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8562 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8563 twice if decl is a builtin. When trying again, call get_callee_fndecl
8564 first to verify it is still a builtin.
8566 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8568 * dwarf2out.c (base_type_die): Don't add AT_name here.
8569 (subrange_type_die): Don't add AT_name here.
8570 (modified_type_die): Rearrange code flow. Do add AT_name here.
8572 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8574 PR rtl-optimization/26247
8575 PR rtl-optimization/26248
8576 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8578 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8580 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8581 * config/fixtfdi.c: Likewise.
8582 * config/fixunstfdi.c: Likewise.
8583 * config/floatditf.c: Likewise.
8585 2006-02-13 Roger Sayle <roger@eyesopen.com>
8588 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8589 into (X,C2) if C1 is a subset of the bits of C2. Transform
8590 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8592 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8594 2006-02-13 Josh Conner <jconner@apple.com>
8597 * varasm.c (function_section): Check for section name before
8598 calling select_section on targets that define
8599 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8600 unlikely_text_section instead of hot_function_section if
8601 first_function_block_is_cold.
8603 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8606 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8608 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8610 PR rtl-optimization/26222
8611 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8612 after tree->rtl expansion.
8613 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8614 before passing it to emit_move_insn.
8616 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8618 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8620 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8621 Clarify documentation.
8622 * c-common.h (warn_write_strings): Remove.
8623 * c-common.c (warn_write_strings): Likewise.
8624 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8627 2006-02-12 Roger Sayle <roger@eyesopen.com>
8630 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8631 (do_jump_parts_zero_rtx): New function renamed from
8632 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8633 (do_jump_parts_equality_rtx): New function split out from
8634 do_jump_parts_equality. Old implementation renamed as above.
8635 Call do_jump_parts_zero_rtx if either operand is zero.
8636 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8637 do all of the heavy lifting.
8638 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8639 calling either do_jump_by_parts_greater_rtx or
8640 do_jump_by_parts_equality_rtx.
8641 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8642 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8643 moved to do_compare_rtx_and_jump, call it directly.
8644 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8645 mode argument. Call do_compare_rtx_and_jump.
8646 (emit_case_nodes): Update calls to do_jump_if_equal.
8648 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8650 PR rtl-optimization/26225
8651 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8653 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8655 PR rtl-optimization/26232
8656 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8658 2006-02-11 Jason Merrill <jason@redhat.com>
8661 * tree-inline.c (declare_return_variable): Just don't use the
8662 modify target if it's a gimple complex reg and the return slot
8665 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8667 * doc/contrib.texi: Update my entry.
8669 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8671 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8673 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8675 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8678 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8680 * doc/invoke.texi (-floop-optimize2): Removed.
8681 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8682 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8683 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8684 * common.opt (floop-optimize2): Removed.
8685 (fmove-loop-invariants): Enabled by default.
8687 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8689 * tree-if-conv.c (combine_blocks): Free the result of
8690 get_loop_exit_edges.
8692 2006-02-10 Jeff Law <law@redhat.com>
8694 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8696 PR tree-optimization/26213
8697 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8698 loop trying to follow SSA_NAME_VALUE chains.
8700 2006-02-10 Richard Guenther <rguenther@suse.de>
8702 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8703 deal with structures that end in implicitly variable sized arrays.
8705 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8707 PR rtl-optimization/24762
8708 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8711 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8713 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8714 (struct ivopts_data): Add regs_used field.
8715 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8716 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8717 instead of loop_data->regs_used;
8718 (free_loop_data): Do not free aux fields for loops.
8719 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8720 and tree_ssa_iv_optimize_finalize.
8722 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8724 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8726 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8729 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8730 computing the effective result type.
8732 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8735 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8736 (tree_overlaps_hard_reg_set): Declare.
8737 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8738 type and signature to match function type expected by walk_tree.
8739 (tree_overlaps_hard_reg_set): New function.
8740 (decl_conflicts_with_clobbers_p): Rename to:
8741 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8742 Use tree_overlaps_hard_reg_set. Changed caller.
8743 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8744 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8745 * cris.c (cris_md_asm_clobbers): Likewise.
8747 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8749 * reload1.c (emit_input_reload_insns): Delete code that tries to
8750 inherit using find_equiv_reg.
8752 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8754 * c-common.h (flag_const_strings): Don't declare.
8755 * c-common.c (flag_const_strings): Remove.
8756 * c.opt (fconst_strings): Remove.
8757 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8758 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8759 (c_common_init_options): Don't set flag_const_strings.
8760 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8762 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8764 * arm.md (tlobits_cbranch): New pattern.
8765 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8766 testing a single bit.
8768 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8771 * tree-ssa-pre.c (create_component_ref_by_pieces):
8772 Handle RETURN_DECL like VAR_DECL.
8774 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8777 * fold-const.c (fold_indirect_ref_1): Fold
8778 "*(foo *)&complexfoo" to "__real__ complexfoo"
8779 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8781 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8783 * tree-flow-inline.h (var_can_have_subvars):
8784 Volatile variables should not have subvariables.
8786 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8789 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8790 multiplying unsigned values.
8793 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8795 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8797 2006-02-08 Jason Merrill <jason@redhat.com>
8800 * tree.def: Elaborate on difference from MODIFY_EXPR.
8801 * doc/c-tree.texi (INIT_EXPR): Likewise.
8802 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8803 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8804 (gimplify_target_expr): Likewise.
8805 (gimplify_cond_expr): Remove target handling.
8806 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8807 (gimplify_expr): Clobber it here.
8808 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8809 Do return slot optimization if we have an INIT_EXPR.
8812 * tree-inline.c (declare_return_variable): Also clear
8813 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8816 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8819 * gimplify.c (gimplify_one_sizepos): Fix typo.
8821 2006-02-08 Jeff Law <law@redhat.com>
8823 PR tree-optimization/21417
8824 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8825 across a backedge if the control statement at the end of the
8826 block is data dependent on other statements in the same block.
8827 (record_temporary_equivalences_from_stmts): Remove over-conservative
8828 test for threading across backedges.
8830 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8831 control statement, handle all three special cases in the same
8832 manner as they all have the same desired solution. No longer
8833 special case edge flag updating when the post dominator is
8836 2006-02-08 Roger Sayle <roger@eyesopen.com>
8838 * tree.def (CHAR_TYPE): Remove.
8839 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8840 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8841 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8842 (gen_string_type_die): Delete unreachable function.
8844 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8845 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8846 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8847 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8848 * builtins.c (type_to_class): Likewise.
8849 * fold-const.c (fold_convert, build_range_check,
8850 merge_ranges): Likewise.
8851 * expr.c (count_type_elements): Likewise.
8852 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8853 * stor-layout.c (layout_type): Likewise.
8854 * ipa-type-escape.c (type_to_consider): Likewise.
8855 * gimplify.c (omp_firstprivatize_type_sizes,
8856 gimplify_type_sizes): Likewise.
8857 * explow.c (promote_mode): Likewise.
8858 * tree-sra.c (is_sra_scalar_type): Likewise.
8859 * varasm.c (output_constant): Likewise.
8860 * tree-inline.c (remap_type_1): Likewise.
8861 * convert.c (convert_to_pointer, convert_to_real,
8862 convert_to_integer, convert_to_complex): Likewise.
8864 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8866 * df-scan.c (df_def_record_1): A set destination may
8867 be a parallel regardless of mode.
8869 2006-02-08 Roger Sayle <roger@eyesopen.com>
8872 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8873 * config/mips/_tilib.c: Remove.
8874 * config/fixtfdi.c: New libgcc source file.
8875 * config/fixunstfdi.c: New source file.
8876 * config/floatditf.c: New source file.
8877 * config/floatunditf.c: New souce file.
8878 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8879 files above instead of config/mips/_tilib.c.
8880 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8882 2006-02-08 Jeff Law <law@redhat.com>
8884 PR tree-optimization/26169
8885 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8888 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8890 * df.h (DF_REG_SIZE): Return the length of the initialized
8893 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8895 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8896 __muldf3): Return a correctly signed zero.
8898 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8900 * passes.c (register_one_dump_file): Accept the current properties
8901 instead of pass number. Adjust call to dump_register. Remove
8903 (register_dump_files): Now a wrapper around...
8904 (register_dump_files_1): ... this one. Do not modify the pass
8906 (next_pass_1): Cosmetic fix.
8907 (execute_todo): Keep second parameter only. Use curr_properties
8908 instead of fetching it from the pass structure. Check and set
8910 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8911 instead of fetching it from the pass structure. Fix calls to
8912 execute_todo. Update curr_properties and initialize .vcg RTL dump
8913 after running the pass. Reset last_verified.
8914 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8916 (FIRST_AUTO_NUMBERED_DUMP): New.
8917 (dump_register): Remove "num" parameter, assign it within the
8919 (get_dump_file_name): Modify template for dumps.
8920 * tree-dump.h (dump_register): Adjust prototype.
8921 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8922 (PROP_trees): Add PROP_gimple_lomp.
8923 (TODO_set_props): New.
8924 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8925 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8926 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8928 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8930 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8931 (sparc64-*-linux*): Likewise.
8932 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8933 * config/sparc/t-linux: New file.
8934 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8935 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8936 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8937 -m32 -mlong-double-128.
8939 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8940 * config/alpha/t-linux: New file.
8941 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8943 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8944 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8945 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8946 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8947 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8948 (CPP_ARCH32_SPEC): Remove.
8950 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8952 PR tree-optimization/26145
8953 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8956 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8959 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8960 >= 240000 when generating code for SOM runtime.
8961 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8962 to $$dyncall when generating code for SOM runtime..
8964 2006-02-07 Dirk Mueller <dmueller@suse.com>
8967 * doc/invoke.texi (-Wsequence-point): Update documentation
8968 that -Wsequence-point is implemented for C++ as well.
8970 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8972 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8973 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8974 (LIB_SPEC): Likewise.
8975 * doc/invoke.texi (SPARC options): Document -pthread.
8977 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8979 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8982 2006-02-07 Roger Sayle <roger@eyesopen.com>
8984 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8985 Correct comment describing BOOLEAN_TYPE.
8987 2006-02-07 Dirk Mueller <dmueller@suse.com>
8989 * c.opt: C++ frontend supports -Wdiv-by-zero.
8990 * c-opts.c (c_common_handle_option): Remove dead case.
8992 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8994 * configure.ac (TLS assembler check): Do not enable TLS by
8995 default on SPARC/Solaris before version 10.
8996 * configure: Regenerate.
8998 2006-02-07 David Edelsohn <edelsohn@gnu.org>
9000 * doc/invoke.texi (xl-compat): Document conversion and support
9003 2006-02-07 Jeff Law <law@redhat.com>
9005 * tree-vrp.c (find_conditional_asserts): Update comments.
9006 (simplify_stmt_for_jump_threading): New.
9007 (identify_jump_threads, finalize_jump_threads): New.
9008 (vrp_finalize): Call identify_jump_threads.
9009 (execute_vrp): Call finalize_jump_threads.
9010 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
9011 (vrp_element, vrp_data, vrp_element_p): Remove.
9012 (vrp_hash_elt, vrp_variables_stack): Remove.
9013 (vrp_hash, vrp_eq, record_range): Remove.
9014 (simplify_cond_and_lookup_avail_expr): Remove.
9015 (extract_range_from_cond): Remove.
9016 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
9017 (simplify_stmt_for_jump_threading): New.
9018 (dom_thread_across_edge): New wrapper.
9019 (tree_ssa_dominator_optimize): No longer initialize or
9020 finalize any of the VRP datastructures. Remove iteration
9021 step and simplify as a result of removal of iteration step.
9022 (pass_dominator): Perform a cfg cleanup after DOM.
9023 (dom_opt_finalize_block): Use the new common routines
9024 for threading jumps. Simplify stack management slightly.
9025 No longer need to unwind VRP state.
9026 (record_equivalences_from_incoming_edge): No longer record
9028 (eliminate_redundant_computations): No longer call
9029 simplify_cond_and_lookup_avail_expr.
9030 * tree-flow.h (potentially_threadable_block): Prototype.
9031 (thread_across_edge): Likewise.
9032 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
9033 (tree-ssa-threadedge.o): Add dependencies.
9034 * tree-ssa-threadedge.c: New file.
9035 * passes.c (init_optimization_passes): Merge PHIs before
9036 calling VRP. Run VRP again late in the SSA optimization pipeline.
9038 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
9040 * df-core.c (df_set_blocks): Do not dereference function pointers.
9041 (df_finish1): Likewise.
9042 (df_hybrid_search_forward): Likewise.
9043 (df_hybrid_search_backward): Likewise.
9044 (df_iterative_dataflow): Likewise.
9045 (df_analyze_problem): Likewise.
9046 (df_compact_blocks): Likewise.
9047 (df_dump): Likewise.
9048 * df-scan.c (df_rescan_blocks): Likewise.
9049 (df_record_entry_block_defs): Likewise.
9051 * genconditions.c (write_conditions): Guard the definition of
9052 'insn_conditions' with the check on GCC version.
9053 (write_writer): Guard the traversal 'insn_conditions' with
9054 the check on GCC version.
9056 2006-02-07 Richard Guenther <rguenther@suse.de>
9060 2006-01-30 Richard Guenther <rguenther@suse.de>
9062 * gimplify.c (gimplify_target_expr): Handle easy cases
9063 without creating a temporary.
9065 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
9067 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
9068 use of float in probability computations. Use edge probabilities
9069 in place of statically computed probabilities.
9070 (min_spec_prob): New static variable.
9071 (schedule_insns): Initialize it.
9072 (GET_SRC_PROB): Removed.
9073 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
9075 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
9078 * config/ia64/unwind-ia64.c: Revert last change.
9079 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
9080 (INCOMING_FRAME_SP_OFFSET): Define.
9082 2006-02-06 Roger Sayle <roger@eyesopen.com>
9084 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
9086 2006-02-07 Ben Elliston <bje@au.ibm.com>
9088 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
9089 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
9090 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
9091 (ix86_return_in_memory): Handle TDmode.
9092 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
9093 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
9095 2006-02-06 Richard Sandiford <richard@codesourcery.com>
9097 * reorg.c (dbr_schedule): Use dump_file instead of file.
9099 2006-02-06 Steve Ellcey <sje@cup.hp.com>
9102 * config/ia64/predicates.md (extr_len_operand): New predicate.
9103 * config/ia64/ia64.md (extv): Tighten constraints.
9105 (*tbit_and_2): Ditto.
9106 (*tbit_and_3): Ditto.
9107 (*tbit_or_2): Ditto.
9108 (*tbit_or_3): Ditto.
9112 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
9115 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
9117 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9119 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
9120 loop_optimizer_init and loop_optimizer_finalize
9121 * tree-ssa-sink.c (execute_sink_code): Ditto.
9122 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9123 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
9124 tree_ssa_loop_done): Ditto.
9125 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
9126 * sched-ebb.c: Include output.h.
9127 (schedule_ebbs): Do not use dump argument.
9128 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
9129 * loop.c (loop_dump_stream): Removed.
9130 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
9132 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
9133 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
9134 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
9135 loop_iterations, strength_reduce, record_biv, record_giv,
9136 final_giv_value, check_final_value, check_ext_dependent_givs,
9137 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
9138 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
9139 dump_file instead of loop_dump_stream.
9140 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
9142 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
9144 * flow.c (life_analysis, rest_of_handle_life): Ditto.
9145 * haifa-sched.c: Include output.h
9146 (schedule_insns, sched_init): Do not use dump argument.
9147 * mode-switching.c (optimize_mode_switching): Ditto.
9148 * modulo-sched.c (stats_file): Removed.
9149 (print_node_sched_params): Do not call argument dump_file.
9150 (sms_schedule_by_order, loop_canon_p, sms_schedule,
9151 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
9153 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
9155 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
9156 rtl_loop_init, rtl_loop_done): Ditto.
9157 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
9158 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
9160 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
9161 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
9162 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
9163 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
9164 * emit-rtl.c (renumber_insns): Ditto.
9165 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
9166 expand_gimple_basic_block, tree_expand_cfg): Ditto.
9167 * regclass.c (regclass): Ditto.
9168 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
9169 remove_ssa_form, rewrite_out_of_ssa): Ditto.
9170 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
9171 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
9173 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
9174 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
9176 * gcse.c (gcse_file, debug_stderr): Removed.
9177 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
9178 rest_of_handle_gcse): Do not use dump argument.
9179 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
9180 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
9181 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
9182 compute_code_hoist_vbeinout, compute_code_hoist_data,
9183 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
9184 compute_store_table, build_store_vectors, insert_insn_start_bb,
9185 insert_store, remove_reachable_equiv_notes, replace_store_insn,
9186 store_motion): Use dump_file instead of gcse_file.
9187 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
9188 * profile.c (profile_dump_file): Removed.
9189 (branch_prob): Use dump_file instead of profile_dump_file.
9190 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
9192 * tree-ssa-copy.c (dump_copy_of): Ditto.
9193 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
9194 dump file to life_analysis.
9195 * bt-load.c (branch_target_load_optimize): Ditto.
9196 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
9198 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
9199 regclass, dbr_schedule): Declaration changed.
9200 * sched-int.h (sched_init): Declaration changed.
9201 * tree-profile.c (tree_profile_dump_file): Removed.
9202 (tree_profile_hooks): Removed profile_dump_file hook.
9203 * rtl-profile (rtl_profile_dump_file): Removed.
9204 (rtl_profile_hooks): emoved profile_dump_file hook.
9205 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
9207 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
9208 * tree-cfg.c (build_tree_cfg): Ditto.
9209 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
9210 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
9211 Declaration changed.
9212 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
9213 life_analysis and schedule_insns.
9214 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
9216 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
9218 * config/mips/mips.c (mips_reorg): Ditto.
9219 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
9222 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
9224 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9225 (s390_mangle_fundamental_type): New.
9226 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9229 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9230 (alpha_mangle_fundamental_type): New.
9231 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9234 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9236 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
9238 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9239 (sparc_mangle_fundamental_type): New.
9241 2006-02-06 Jakub Jelinek <jakub@redhat.com>
9243 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
9244 (s390x-*-linux*): Likewise.
9245 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
9246 * config/s390/t-linux: New file.
9248 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9250 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
9251 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
9253 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
9255 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
9256 (ANTIC_SAFE_LOADS): New macro.
9257 (find_or_generate_expression): Add prototype.
9258 (set_contains_value): Allow null set for sake of not always having
9259 to allocate ANTIC_SAFE_LOADS.
9260 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
9261 Allow COMPONENT_REF too.
9262 (valid_in_set): Allow COMPONENT_REF.
9263 Check ANTIC_SAFE_LOADS too.
9264 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
9265 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
9267 (can_PRE_operation): Add COMPONENT_REF.
9268 (create_component_ref_by_pieces): New function.
9269 (create_expression_by_pieces): Use create_component_ref_by_pieces.
9270 (insert_aux): Move AGGREGATE_TYPE_P check here.
9271 (compute_avail): Set bb local stmt uids.
9272 (pass_pre): Use TODO_update_ssa_only_virtuals.
9274 2006-02-06 Ben Elliston <bje@au.ibm.com>
9276 * configure.ac: Unconditionally disable decimal float by default.
9277 * configure: Regenerate.
9279 2006-02-06 Ben Elliston <bje@au.ibm.com>
9281 * read-rtl.c (read_name): Terminate reading on EOF.
9283 2006-02-06 Ben Elliston <bje@au.ibm.com>
9285 * dfp.c (decimal_real_arithmetic): Change second argument type
9286 from int to enum tree_code. Do not always return true, but now
9287 return result of any call to decimal_do helper functions.
9288 * dfp.h (decimal_real_arithmetic): Update prototype.
9290 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
9292 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
9294 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
9297 * tree-cfg.c (cleanup_dead_labels): Also don't remove
9300 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9302 * tree-vrp.c (cfg_loops): Removed.
9303 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
9304 Use current_loops instead of cfg_loops. Pass flags to
9305 loop_optimizer_init.
9306 * cfgloopmanip.c (fix_loop_structure): Update only available
9308 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
9309 loop_optimizer_init.
9310 * modulo-sched.c (build_loops_structure): Removed.
9311 (sms_schedule): Use loop_optimizer_init.
9312 * loop-init.c (loop_optimizer_init): Use flags to determine
9313 which properties of loops to prepare.
9314 (rtl_loop_init): Pass flags to loop_optimizer_init.
9315 * tree-ssa-sink.c (execute_sink_code): Ditto.
9316 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9317 * tree-ssa-pre.c (init_pre): Ditto.
9318 * cfgloop.h (LOOPS_NORMAL): New.
9319 (loop_optimizer_init): Declaration changed.
9321 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9323 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
9324 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
9326 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
9328 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
9330 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
9331 * pa/t-pa64: Delete quadlib.c rule.
9332 * pa/x-ada: Revert last change.
9333 * pa/t-pa: Revert last change. Delete quadlib.c rule.
9335 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9337 PR rtl-optimization/26087
9338 * rtlanal.c (canonicalize_condition): Do not cross basic block
9341 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
9344 * config/ia64/ia64.c: Include debug.h.
9345 (MAX_ARTIFICIAL_LABEL_BYTES): New.
9346 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
9347 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
9348 (process_epilogue, process_set, process_for_unwind_directive):
9349 Output unwind info only if requested. Add CFA info if requested.
9350 Add new arguments as needed. Adjust callers.
9351 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
9353 (DWARF2_FRAME_INFO): Define to zero.
9354 * config/ia64/unwind-ia64.c: Remove code that compensated for
9355 the CFA offset error fixed above.
9356 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
9357 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
9358 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
9359 -funwind-tables and -fexceptions to enable frame info.
9360 (dwarf2out_frame_init): Define initial CFA even if
9361 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
9362 DWARF2_UNWIND_INFO is nonzero, not just defined.
9363 (dwarf2out_frame_finish): Output non-EH call frame info only
9364 if DWARF2_FRAME_INFO is nonzero.
9365 (convert_cfa_to_loc_list,
9366 compute_frame_pointer_to_cfa_displacement): Define even if
9367 unwind info is not supported.
9368 (gen_subprogram_die): Use the above unconditionally. Remove
9369 legacy alternate code.
9370 * toplev.c (compile_file): Compile in call to
9371 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
9372 (lang_dependent_init): Ditto for dwarf2out_frame_init.
9374 2006-02-04 David Edelsohn <edelsohn@gnu.org>
9375 Jakub Jelinek <jakub@redhat.com>
9377 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
9378 IBM extended float format long double as "g" on powerpc*-linux.
9380 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9383 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
9384 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
9386 2006-02-03 Jason Merrill <jason@redhat.com>
9389 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
9392 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
9393 on the return slot if it's an NRV.
9395 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
9397 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
9398 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
9399 rewrite_use): Do not handle USE_OUTER.
9400 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
9401 add_iv_outer_candidates, may_replace_final_value,
9402 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9403 (find_interesting_uses_op): Functionality of
9404 find_interesting_uses_outer_or_nonlin moved here.
9405 (find_interesting_uses_outside): Use find_interesting_uses_op.
9407 2006-02-03 Alan Modra <amodra@bigpond.net.au>
9410 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
9412 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
9413 Ulrich Weigand <uweigand@de.ibm.com>
9416 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
9417 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
9418 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
9419 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
9421 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
9422 (s390_rtx_costs): Use the new fields to calculate rtx costs.
9423 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
9424 Define secondary reloads for TFmode moves.
9425 (constant_modes): Add TFmode.
9426 (NR_C_MODES): Set to 8.
9427 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
9429 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
9430 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
9431 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
9432 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
9433 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
9434 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
9435 (FPR mode macro): Add TFmode.
9436 (DSF mode macro): New.
9437 (<de>, <dee> mode attributes): Removed.
9438 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
9439 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
9440 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
9441 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
9442 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
9443 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
9444 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
9445 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
9446 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
9447 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
9448 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
9449 "*negabs<mode>2", "sqrt<mode>2"):
9450 Changed <de> to <xde>. R constraint replaced by <Rf>.
9451 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
9453 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
9454 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
9455 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
9457 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
9458 "extenddftf2", "extendsftf2"): New expanders.
9459 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
9460 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
9461 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
9462 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
9464 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
9465 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
9466 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
9467 __floatditf): Add a GCC_4.1.0 symbol version tag.
9468 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
9471 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
9474 * config/i386/i386.c (ix86_function_ok_for_sibcall):
9475 Use targetm.binds_local_p instead of TREE_PUBLIC.
9477 2006-02-02 Roger Sayle <roger@eyesopen.com>
9479 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
9480 on INTEGER_TYPEs to indicate that it denotes a character type.
9481 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
9482 signed_char_type_node, unsigned_char_type_node and char_type_node.
9483 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
9484 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
9485 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
9487 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
9488 Daniel Berlin <dberlin@dberlin.org>
9490 * tree-tailcall.c (arg_needs_copy_p): New function.
9491 (eliminate_tail_call): Use arg_needs_copy_p.
9492 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
9493 (add_virtual_phis): New function.
9495 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9497 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9498 #ignore instead of #scratch for %g7 .register directive.
9500 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9502 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9505 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9507 * flow.c (calculate_global_regs_live): Assert that there aren't any
9510 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9512 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9514 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9515 bsi_after_labels iterator.
9516 * tree-if-conv.c (find_phi_replacement_condition,
9517 replace_phi_with_cond_modify_expr): Likewise.
9518 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9519 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9521 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9523 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9525 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9528 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9529 array after growing it.
9531 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9534 * fold-const.c (fold_checksum_tree): Change type of buf.
9536 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9538 * reload.c (push_secondary_reload): Initialize t_icode.
9540 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9542 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9543 -msoft-float -mlong-double-128 only issue a warning, but don't
9544 swich to DFmode long double.
9546 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9548 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9549 has a constant equivalent, iterate over equivalents for arg0,
9550 calling simplify_relational_operation and if there's a result
9551 cheaper than X, apply fold_rtx and return the result.
9553 2006-02-01 Jan Hubicka <jh@suse.cz>
9555 * opts.c (no_unit_at_a_time_default): New global variable.
9556 (decode_options): Use it.
9557 * opts.h (no_unit_at_a_time_default): Declare.
9559 2006-02-01 Paul Brook <paul@codesourcery.com>
9561 * function.c (assign_parm_setup_reg): Use function argument promotion
9563 * expr.c (expand_expr_real_1): Use function argument promotion rules
9566 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9568 * gcc.c (process_command): Change j to 'unsigned int'.
9570 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9573 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9574 Use the corrected index for the character
9575 out of the string constant.
9577 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9579 * mode-switching.c (optimize_mode_switching): Fix size
9580 allocated for bb_info[n_entities].
9582 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9584 * gcc.c (main): Correct type that is allocated for
9585 explicit_link_files.
9587 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9589 * config/s390/s390.c (init_alignment_context): Set
9590 ALIAS_SET_MEMORY_BARRIER on the MEM.
9591 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9593 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9596 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9598 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9601 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9603 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9604 * regrename.c: Ditto.
9605 * tree-ssa-loop-im.c: Ditto.
9606 * tree-dump.c: Ditto.
9607 * tree-complex.c: Ditto.
9608 * genrecog.c: Ditto.
9609 * tree-ssa-threadupdate.c: Ditto.
9611 * java/class.c: Ditto.
9612 * java/jcf-parse.c: Ditto.
9613 * java/resource.c: Ditto.
9614 * java/except.c: Ditto.
9615 * java/jvspec.c: Ditto.
9616 * java/jcf-write.c: Ditto.
9617 * java/jcf-path.c: Ditto.
9618 * java/gjavah.c: Ditto.
9619 * java/zextract.c: Ditto.
9620 * java/jcf-io.c: Ditto.
9621 * java/jcf.h: Ditto.
9622 * java/buffer.c: Ditto.
9623 * java/lang.c: Ditto.
9624 * java/parse-scan.y: Ditto.
9625 * java/lex.c: Ditto.
9626 * java/lex.h: Ditto.
9627 * cfgloopmanip.c: Ditto.
9628 * postreload-gcse.c: Ditto.
9629 * tree-ssa-loop-manip.c: Ditto.
9630 * postreload.c: Ditto.
9631 * tree-ssa-loop-ch.c: Ditto.
9635 * diagnostic.c: Ditto.
9637 * genoutput.c: Ditto.
9639 * cfghooks.c: Ditto.
9640 * cfgloopanal.c: Ditto.
9641 * objc/objc-act.c: Ditto.
9643 * genextract.c: Ditto.
9644 * genautomata.c: Ditto.
9645 * pretty-print.c: Ditto.
9647 * cgraphunit.c: Ditto.
9650 * haifa-sched.c: Ditto.
9651 * dominance.c: Ditto.
9653 * tree-ssa-loop-ivopts.c: Ditto.
9655 * mode-switching.c: Ditto.
9656 * modulo-sched.c: Ditto.
9658 * ipa-pure-const.c: Ditto.
9660 * fix-header.c: Ditto.
9662 * tree-stdarg.c: Ditto.
9663 * ipa-utils.c: Ditto.
9664 * loop-init.c: Ditto.
9665 * ipa-inline.c: Ditto.
9668 * alloc-pool.c: Ditto.
9669 * dwarf2out.c: Ditto.
9671 * genattrtab.c: Ditto.
9672 * tree-ssa-loop-ivcanon.c: Ditto.
9676 * fortran/gfortranspec.c: Ditto.
9678 * local-alloc.c: Ditto.
9679 * langhooks.c: Ditto.
9680 * function.c: Ditto.
9681 * tree-vectorizer.c: Ditto.
9683 * ipa-type-escape.c: Ditto.
9685 * tree-if-conv.c: Ditto.
9688 * tree-data-ref.c: Ditto.
9689 * loop-unroll.c: Ditto.
9690 * treelang/treetree.c: Ditto.
9693 * ggc-common.c: Ditto.
9695 * coverage.c: Ditto.
9697 * tree-cfgcleanup.c: Ditto.
9698 * tree-ssa-pre.c: Ditto.
9699 * cfgcleanup.c: Ditto.
9700 * loop-invariant.c: Ditto.
9702 * ipa-prop.c: Ditto.
9703 * print-tree.c: Ditto.
9704 * conflict.c: Ditto.
9705 * ggc-page.c: Ditto.
9706 * sched-deps.c: Ditto.
9707 * regclass.c: Ditto.
9708 * tree-object-size.c: Ditto.
9710 * bb-reorder.c: Ditto.
9711 * resource.c: Ditto.
9712 * var-tracking.c: Ditto.
9714 * df-problems.c: Ditto.
9715 * reg-stack.c: Ditto.
9718 * sched-rgn.c: Ditto.
9719 * tree-ssa-structalias.c: Ditto.
9720 * tree-ssa-reassoc.c: Ditto.
9721 * config/darwin-c.c: Ditto.
9722 * config/darwin.c: Ditto.
9723 * config/arm/arm.c: Ditto.
9725 * collect2.c: Ditto.
9728 2006-01-31 Nicolas Pitre <nico@cam.org>
9730 * arm.md (smaxsi3): Make aware of smax_m1.
9733 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9735 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9737 2006-01-31 Richard Guenther <rguenther@suse.de>
9739 * doc/invoke.texi (-msselibm): Document.
9740 * target.h (expand_library_builtin): New target hook.
9741 * builtins.c (expand_builtin): Use expand_library_builtin.
9742 (default_expand_library_builtin): New function.
9743 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9744 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9745 (link_gcc_math_spec): Declare.
9746 (static_specs): Add link_gcc_math_spec.
9747 * expr.h (default_expand_library_builtin): Declare.
9748 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9749 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9750 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9751 * config/i386/i386.opt (msselibm): New target option.
9752 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9753 (ix86_init_sse_abi_builtins): New function.
9754 (ix86_expand_library_builtin): Likewise.
9755 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9756 (override_options): Handle error conditions wrt -msselibm.
9757 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9758 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9759 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9762 2006-01-31 Richard Guenther <rguenther@suse.de>
9763 Paolo Bonzini <bonzini@gnu.org>
9765 * doc/install.texi (--disable-libgcc-math): Document.
9767 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9769 * expr.h (expand_normal): new inline function.
9770 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9772 * dwarf2out.c: use it.
9777 * config/sparc/sparc.c: use it.
9778 * config/i386/i386.c: use it.
9779 * config/rs6000/rs6000.c: use it.
9780 * config/arm/arm.c: use it.
9781 * config/mips/mips.c: use it.
9782 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9784 2006-01-30 Roger Sayle <roger@eyesopen.com>
9786 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9787 argv to the appropriate type.
9789 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9791 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9794 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9797 * config/s390/s390.c (struct machine_function): New flag
9798 decomposed_literal_pool_addresses_ok_p.
9799 (s390_reorg): Set it before final stage of literal pool transforms.
9800 (s390_decompose_address): Only accept displacements of the form
9801 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9803 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9805 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9806 the comparison routine return.
9808 2006-01-30 Michael Matz <matz@suse.de>
9810 * global.c (find_reg): Only evict for global regs.
9811 Take n_refs into account and dump more info.
9813 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9816 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9817 (pragma_trap, pragma_nosave_low_regs): Likewise.
9818 (current_function_anonymous_args): Likewise.
9819 (sh_deferred_function_attributes): New variable.
9820 (sh_deferred_function_attributes_tail): Likewise.
9821 (print_operand): For '@', look up trap_exit attribute.
9822 (calc_live_regs): Look up trapa_handler attribute. For trapa
9823 handlers, save/restore fpscr, but don't do any other
9824 interrupt-specific saves.
9825 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9826 Fix check for partially saved registers to check for SHmedia.
9827 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9828 (sh_output_function_epilogue): Don't clear any of the removed
9830 (sh_insert_attributes): Don't check pragma_interrupt.
9831 Insert deferred attributes. Check that interrupt attribute is
9832 present for other attributes that require its presence.
9833 (sh_attribute_table): Add new attributes trapa_handler and
9835 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9836 Don't check for pragma_interrupt. Don't store argument.
9837 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9838 (sh_deferred_function_attributes): Declare.
9839 (sh_deferred_function_attributes_tail): Likewise.
9840 * sh.md (sp_switch_1): Add operand. Change generator caller.
9841 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9842 (*return_i): Don't use when trap_exit attribute is in effect.
9843 (*return_trapa): New insn pattern.
9845 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9846 setting c_target_objs and cxx_target_objs.
9847 * t-sh: Add rule for sh-c.o.
9849 2006-01-30 Richard Guenther <rguenther@suse.de>
9852 * gimplify.c (gimplify_target_expr): Handle easy cases
9853 without creating a temporary.
9855 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9857 * vec.h (safe_grow): Remove duplicated line.
9859 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9862 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9863 (expand_omp): ... here.
9864 (expand_omp_parallel): Only remove barriers for combined
9865 parallel+workshare constructs.
9867 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9871 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9872 * tree.c (build_qualified_type): Chain the new type to the original
9873 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9874 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9875 (build_pointer_type_for_mode): Only return unqualified types.
9876 (build_reference_type_for_mode): Likewise.
9878 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9880 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9881 * Makefile.in (CXX_COMPAT_WARN): Define.
9882 * configure: Regenerate.
9884 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9887 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9890 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9892 * toplev.c: Fix thinko.
9894 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9895 Marcin Dalecki <martin@dalecki.de>
9897 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9898 (push_srcloc): Use XNEW.
9899 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9901 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9903 * df-core.c (df_set_blocks): Deleted all variable.
9905 2006-01-28 Ian Lance Taylor <ian@airs.com>
9907 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9908 cgraph_output_pending_asms.
9910 2006-01-28 Zack Weinberg <zackw@panix.com>
9912 * c.opt: Add -W(no-)overlength-strings.
9913 * doc/invoke.texi: Document it.
9914 * c-opts.c (c_common_handle_option): -pedantic implies
9915 -Woverlength-strings, if not explicitly disabled already.
9916 (c_common_post_options): -Woverlength-strings defaults to off, and
9917 is always off for C++.
9918 * c-common.c (fix_string_type): Issue warning about strings longer
9919 than is portable only if warn_overlength_strings. Rearrange code
9920 a little for clarity.
9921 * configure.in: Check for -Wno-overlength-strings as well before
9922 enabling -pedantic in stage 1.
9923 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9924 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9926 * genconditions.c (write_header, write_one_condition)
9927 (write_conditions, write_writer): Consolidate very long strings
9928 that were broken up to fit in C89 portable limit. Don't use
9929 printf when fputs will do.
9931 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9933 * combine.c (simplify_comparison <AND>): Check
9934 TRULY_NOOP_TRUNCATION before start using a subreg.
9936 * config/mips/mips.md (*branch_zero<mode>,
9937 *branch_zero<mode>_inverted, *branch_equality<mode>,
9938 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9939 Remove mode check from comparisons.
9941 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9943 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9945 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9947 * expmed.c (const_mult_add_overflow_p): Remove.
9948 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9950 * recog.c (validate_replace_rtx_subexp): Remove.
9951 * recog.h: Remove the prototype for
9952 validate_replace_rtx_subexp.
9954 * integrate.h: Remove the prototype for
9955 copy_decl_for_inlining.
9956 * rtl.h: Remove the prototype for mark_constant_function.
9957 * tree-vectorizer.h: Remove the prototype for
9958 vect_strip_conversion.
9960 * modulo-sched.c (create_partial_schedule,
9961 free_partial_schedule, reset_partial_schedule): Make them
9964 * hooks.c (hook_bool_rtx_int_false): Remove.
9965 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9967 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9969 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9970 and -mlong-double-128 are incompatible.
9971 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9972 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9973 (TARGET_LIBGCC2_CFLAGS): Define.
9974 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9975 (TARGET_LIBGCC2_CFLAGS): Same.
9976 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9978 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9981 * c-typeck.c (build_binary_op): Perform implicit casts of
9982 operands before shortening them.
9984 * cfgloopmanip.c (split_loop_bb): Remove.
9985 * cfgloop.h: Remove the prototype for split_loop_bb.
9987 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9988 * cfgloop.h: Remove the prototype for
9989 flow_loop_outside_edge_p.
9991 * emit-rtl.c (init_virtual_regs): Make it static.
9992 * function.h: Remove the prototype for init_virtual_regs.
9994 * recog.c (peephole2_optimize): Make it static.
9995 * recog.h: Remove the prototype for peephole2_optimize.
9997 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9999 * df-scan.c (df_record_entry_block_defs): Check if
10000 INCOMING_RETURN_ADDR_RTX is defined.
10002 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
10003 Kenneth Zadeck <zadeck@naturalbridge.com>
10005 PR rtl-optimization/24762
10006 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10007 * targhooks.c (hook_void_bitmap): New hook prototype.
10008 * targhoohs.h (hook_void_bitmap): Ditto.
10009 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
10010 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
10011 * target.h (live_on_entry): New function pointer.
10012 * df-scan.c (df_all_hard_regs): Removed.
10013 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
10014 (df_scan_free_internal): Added df->entry_block_defs.
10015 (df_scan_alloc): Ditto.
10016 (df_scan_dump): Ditto.
10017 (df_uses_record): Plumbed flag field properly thru calls.
10018 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
10019 This part fixes PR24762.
10020 (df_bb_refs_record): Added code to make the frame and arg
10021 pointers live in EH blocks.
10022 (df_refs_record): Added call to df_record_entry_block_defs.
10023 (df_record_entry_block_defs): New function.
10024 * df-core.c: Added comments to describe new artifical defs.
10025 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
10026 (entry_block_defs): New field in struct df.
10027 (df_all_hard_regs): Deleted.
10028 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
10029 * df-problems.c (df_ru_bb_local_compute_process_def):
10030 Added code to handle artifical defs in the entry to a function.
10031 (df_ru_bb_local_compute): Ditto.
10032 (df_rd_bb_local_compute_process_def): Ditto.
10033 (df_rd_bb_local_compute): Ditto.
10034 (df_lr_bb_local_compute): Ditto.
10035 (df_ur_bb_local_compute): Ditto.
10036 (df_urec_bb_local_compute): Ditto.
10037 (df_chain_create_bb): Ditto.
10038 (df_ur_local_finalize): Removed entry.
10039 (df_urec_init): Ditto.
10040 (df_urec_local_finalize): Ditto.
10041 (df_ri_bb_compute): Added detection of last use of pseudos.
10042 * Makefile.in (df-scan.o): Updated dependencies.
10043 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
10044 * config/mips/mips.c (mips_set_live_on_entry): Added.
10045 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
10047 * dce.c (marked_insn_p): Added code to handle artifical defs.
10049 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
10051 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
10053 (_mm_cvtsi128_si64): Likewise.
10054 (_mm_cvtsd_si64): Likewise.
10055 (_mm_cvttsd_si64): Likewise.
10056 (_mm_cvtsi64_sd): Likewise.
10057 (_mm_cvtsi64_si128): Likewise.
10058 * config/i386/mmintrin.h (_m_from_int64): Likewise.
10059 (_mm_cvtsi64_m64): Likewise.
10060 (_m_to_int64): Likewise.
10061 (_mm_cvtm64_si64): Likewise.
10062 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
10063 (_mm_cvttss_si64): Likewise.
10064 (_mm_cvtsi64_ss): Likewise.
10065 (_mm_cvtss_f32): Likewise.
10067 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
10069 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
10070 for pragma redefine_extname.
10072 2006-01-27 Jakub Jelinek <jakub@redhat.com>
10075 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
10076 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
10077 -mno-minimal-toc to previous content.
10078 (bispecs): Remove goal.
10079 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
10080 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
10081 compatibility aliases on powerpc-*-*gnu*.
10082 * config/rs6000/libgcc-ppc-glibc.ver: New file.
10083 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
10084 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
10085 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
10086 (ldblspecs): New goal.
10087 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
10088 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
10090 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
10091 L_sf_to_tf or L_df_to_tf is defined.
10093 2006-01-27 David Edelsohn <edelsohn@gnu.org>
10094 Alan Modra <amodra@bigpond.net.au>
10097 * config/rs6000/linux.h (POWERPC_LINUX): Define.
10098 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
10099 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
10100 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
10101 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
10102 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
10103 (rs6000_override_options): Initialize rs6000_ieeequad.
10104 Initialize TFmode format to ibm_extended_format if not
10106 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
10108 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
10109 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
10110 (function_arg_advance): IBM long double passed in two FPRs, not
10112 (function_arg): IBM long double passed in FPRs.
10113 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
10114 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
10115 Only multireg GPR aligned.
10116 (rs6000_init_libfuncs): Enable IBM long double functions if not
10118 (rs6000_generate_compare): Use IBM long double compare if not
10120 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
10121 (TARGET_IEEEQUAD): Define.
10122 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
10123 not TARGET_IEEEQUAD.
10124 * config/rs6000/rs6000.md: Enable TFmode patterns if
10126 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
10127 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
10128 and -mlong-double-128 are incompatible.
10129 * doc/invoke.texi (-mabi): Collect options together. Add
10130 ibmlongdouble and ieeelongdouble.
10132 2006-01-27 Richard Sandiford <richard@codesourcery.com>
10134 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
10136 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
10137 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
10138 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
10139 * rtl.h (rtunion_def): Remove rt_ptr.
10141 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
10142 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
10143 * config/i386/winnt.c (i386_pe_mark_dllexport)
10144 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
10146 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
10148 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
10150 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10154 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
10155 pthread_key_delete. From John David Anglin. gthrw-ify
10156 pthread_getunique_np only if it it's not a macro. Delete
10158 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
10159 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
10160 __gthread_objc_condition_signal, __gthread_key_delete): Add
10161 "__attribute__ ((__unused__))" to unused arguments.
10162 (__gthread_recursive_mutex_init_function): Add missing return.
10163 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
10164 gthr-posix95.h: Use macro-based approach for name redirection
10165 on targets missing weakref.
10167 2006-01-26 Zack Weinberg <zackw@panix.com>
10169 * genconditions.c (write_header): In generated code, #ifdef out
10170 all includes and fake declarations, except includes of bconfig.h
10171 and system.h, unless GCC_VERSION >= 3001. Do not include
10172 gensupport.h in any case.
10173 (write_conditions): Generate a definition of struct c_test. Add
10174 a comment to the generated #endif.
10175 (write_one_condition): Escape backslashes in string too.
10176 (write_writer): Generated code must escape backslashes and quote
10177 marks (but not newlines) in the strings it writes.
10178 * Makefile.in (build/gencondmd.o): Update dependencies.
10180 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10183 * Makefile.in (insn-automata.o): Add header file dependencies.
10184 * genautomata.c: Add includes.
10186 2006-01-26 Steve Ellcey <sje@cup.hp.com>
10189 * Makefile.in (insn-automata.o): Add -Wno-error flag.
10191 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10193 * configure.ac: Expect target tools paths to be passed from the toplevel
10194 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
10196 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
10198 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
10201 * c.opt (Wpointer-sign): Init to -1.
10202 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
10203 OPT_pedantic, to 0 otherwise.
10204 * doc/invoke.texi: Update.
10206 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
10208 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
10209 constants provided by 80387 instructions in the destination mode.
10211 2006-01-26 Richard Guenther <rguenther@suse.de>
10212 Andrew Pinski <pinskia@physics.uc.edu>
10215 partial PR tree-opt/17064
10216 * tree-ssa-structalias.c (intra_create_variable_infos):
10217 Create heap variables for incoming parameters if
10218 flag_argument_noalias > 1.
10219 (find_what_p_points_to): Look through default defs of
10222 2006-01-26 Jeff Law <law@redhat.com>
10225 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
10226 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
10227 within the VR_RANGE, use the VR_RANGE as the result, not the
10229 (adjust_range_with_scev): Reject ranges from SCEV which are out of
10230 bounds for the type.
10232 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
10234 * tree-ssa-alias.c (maybe_create_global_var): Change
10235 subvar walking to an assertion that we don't have subvar'd variables.
10237 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
10240 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
10241 Use a new variable, inner. PARM_DECLs are always non-weak.
10243 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
10245 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
10246 --disable-checking.
10248 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
10250 * config/mips/mips.md (*clear_upper32): New combiner pattern.
10252 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
10254 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
10255 (smax_insn, smin_insn, smax_0, smin_0): New.
10257 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
10260 * config/cris/cris.c (cris_order_for_addsi3): New function.
10261 * config/cris/cris-protos.h: Prototype it.
10262 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
10263 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
10264 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
10265 (split for "op.S1 [rx=rx+i],ry (swapped)")
10266 (split for "op(s|u).S1 [rx=rx+i],ry")
10267 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
10268 Apply cris_order_for_addsi3 when generating addsi3 insns.
10270 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10272 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
10273 (TREE_BLOCK): Add call to EXPR_CHECK.
10275 2006-01-25 Diego Novillo <dnovillo@redhat.com>
10278 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
10279 * tree-pretty-print.c (dump_omp_clause): Extract from ...
10280 (dump_omp_clauses): ... here.
10281 (dump_generic_node): Handle OMP_CLAUSE.
10282 * tree.c (omp_clause_num_ops): New.
10283 (omp_clause_code_name): New.
10284 (tree_code_size): Handle OMP_CLAUSE.
10285 (tree_size): Likewise.
10286 (make_node): Document handling of OMP_CLAUSE.
10287 (tree_node_structure): Handle OMP_CLAUSE.
10288 (omp_clause_check_failed): New.
10289 (omp_clause_range_check_failed): New.
10290 (omp_clause_operand_check_failed): New.
10291 (build_omp_clause): New.
10292 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
10293 * tree.h (enum omp_clause_code): Declare.
10294 (OMP_CLAUSE_SUBCODE_CHECK): Define.
10295 (OMP_CLAUSE_RANGE_CHECK): Define.
10296 (OMP_CLAUSE_ELT_CHECK): Define.
10297 (omp_clause_check_failed): Declare.
10298 (omp_clause_operand_check_failed): Declare.
10299 (omp_clause_range_check_failed): Declare.
10300 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
10301 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
10302 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
10303 (OMP_CLAUSE_LASTPRIVATE): Likewise.
10304 (OMP_CLAUSE_IF_EXPR): Likewise.
10305 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
10306 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
10307 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
10308 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
10309 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
10310 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
10311 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
10312 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
10313 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
10314 (OMP_CLAUSE_CODE): Define.
10315 (OMP_CLAUSE_SET_CODE): Define.
10316 (OMP_CLAUSE_CODE): Define.
10317 (OMP_CLAUSE_OPERAND): Define.
10318 (struct tree_omp_clause): Declare.
10319 (union tree_node): Add field 'omp_clause'.
10320 * treestruct.def (TS_OMP_CLAUSE): Define.
10321 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
10322 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
10323 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
10324 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
10325 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
10326 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
10327 (OMP_CLAUSE): Define.
10328 * print-tree.c (print_node): Handle OMP_CLAUSE.
10329 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
10330 * c-typeck.c: Likewise.
10331 * gimplify.c: Likewise.
10332 * c-omp.c: Likewise.
10333 * tree-nested.c: Likewise.
10334 * tree-inline.c: Likewise.
10335 * c-parser.c: Likewise.
10336 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
10339 2006-01-25 Roger Sayle <roger@eyesopen.com>
10341 PR rtl-optimization/25703
10342 * combine.c (try_combine): Handle zero_extract and strict_low_part
10343 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
10345 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
10347 * global.c: Fix comment typos.
10349 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
10352 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
10353 Use output_addr_const instead of assemble_name.
10355 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
10357 * Makefile.in (sched-vis.o): Update dependencies.
10358 * haifa-sched.c (sched_finish): Clear current_sched_info.
10359 * cfg.c (dump_bb_info): New, split from dump_flow_info.
10360 (dump_flow_info): Call it.
10361 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
10363 * basic-block.h (dump_bb_info): Declare.
10364 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
10365 option, and apply options only for dump files whose TDF_RTL,
10366 TDF_TREE, or TDF_IPA bits match.
10367 * rtl.h: Declare new functions exported from sched-vis.c.
10368 * sched-vis.c: Enable also if scheduling is not used.
10369 (print_value): Print the mode of registers if not inside scheduling.
10370 (print_insn): Make it work outside the scheduler. Beautify the output
10372 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
10374 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10376 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
10377 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
10378 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
10379 depending on the value of CONSTANT_POOL_ADDRESS_P.
10380 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
10382 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
10383 rather than SYMBOL_REF_DECL.
10384 (rtx_constant_pool): Remove const_rtx_sym_htab.
10385 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
10386 (init_varasm_status): Don't initialize const_rtx_sym_htab.
10387 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
10388 Remove handling of const_rtx_sym_htab.
10389 (find_pool_constant): Delete.
10390 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
10391 rather than find_pool_constant.
10392 (get_pool_constant_for_function): Delete.
10393 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
10394 find_pool_constant.
10395 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
10396 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
10397 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
10398 (SYMBOL_REF_CONSTANT): New macro.
10399 (get_pool_constant_for_function): Delete.
10400 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
10401 rather than SYMBOL_REF_DECL.
10402 (i386_pe_mark_dllimport): Likewise.
10403 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
10404 rather than SYMBOL_REF_DECL.
10405 * config/darwin.c (machopic_indirect_data_reference): Likewise.
10406 (machopic_indirect_call_target): Likewise.
10408 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
10410 * flow.c (delete_noop_moves): Add missing EOL to dump message.
10412 2006-01-25 Richard Sandiford <richard@codesourcery.com>
10414 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
10416 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
10418 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
10420 2006-01-24 David Daney <ddaney@avtrex.com>
10423 * configure.ac (enable_tls): New enable option.
10424 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
10425 * configure: Regenerate.
10426 * doc/install.texi (--enable-tls): Document new option.
10427 (--disable-tls): Ditto.
10429 2006-01-24 Richard Henderson <rth@redehat.com>
10431 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
10432 * alias.c (true_dependence): Respect it.
10433 (canon_true_dependence, write_dependence_p): Likewise.
10434 * builtins.c (get_builtin_sync_mem): Set it.
10436 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
10438 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
10441 2006-01-24 DJ Delorie <dj@redhat.com>
10443 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
10444 for storing constants in single-bit bitfields.
10446 2006-01-25 Ben Elliston <bje@au.ibm.com>
10448 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
10450 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
10453 * tree-ssa-pre.c (phi_translate): Return NULL
10454 for AGGREGATE_TYPE's.
10456 2006-01-24 Zack Weinberg <zackw@panix.com>
10458 * genautomata.c (process_state_for_insn_equiv_partition):
10459 Use xcalloc for insn_arcs_array.
10460 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
10461 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
10463 2006-01-24 Richard Henderson <rth@redhat.com>
10465 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
10466 update all callers.
10468 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
10470 PR rtl-optimization/25890
10471 PR rtl-optimization/25905
10472 * combine.c (expand_compound_operation, expand_field_assignment):
10473 Fail if the bitfield's final position is out of bounds.
10475 2006-01-24 Ian Lance Taylor <ian@airs.com>
10477 PR middle-end/25930
10478 * cgraphunit.c (cgraph_output_in_order): Don't clear
10479 cgraph_asm_nodes until after asm strings have been output.
10481 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
10483 * fix-header.c (read_scan_file): Add new parameter imultilib when
10484 calling register_include_chains.
10486 2006-01-23 Diego Novillo <dnovillo@redhat.com>
10488 * omp-low.c: Update documentation.
10490 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10491 Daniel Berlin <dberlin@dberlin.org>
10495 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10496 return from the function.
10498 2006-01-22 Zack Weinberg <zackw@panix.com>
10500 * rtl.def (match_code): Add second argument.
10501 * genpreds.c (write_extract_subexp): New function.
10502 (write_match_code): Add path argument. Use write_extract_subexp.
10503 (write_predicate_expr): Pass path to write_match_code.
10504 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10505 not perform a mode test.
10506 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10507 a subexpression does not constrain the top-level code set.
10508 * read-rtl.c (read_rtx_variadic): New function.
10509 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10510 * doc/md.texi: Document new notation.
10511 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10512 (cmpsi_operand): ... here, using new notation.
10514 2006-01-22 Zack Weinberg <zackw@panix.com>
10516 * varray.c: Remove GENERATOR_FILE #ifdefs.
10518 2006-01-22 Zack Weinberg <zackw@panix.com>
10520 * genautomata.c (output_reserved_units_table): Emit nothing if
10521 description->query_units_num is zero. Remove extra blank line.
10522 (output_cpu_unit_reservation_p): Short circuit
10523 if description->query_units_num is zero.
10525 2006-01-22 Zack Weinberg <zackw@panix.com>
10527 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10528 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10529 nor any of the random handful of variables that used to be necessary
10530 when this program was linked with rtlanal.o. Prune set of forward
10531 function declarations.
10532 (struct attr_desc): Remove static_p field.
10533 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10534 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10535 (attr_string): Do not read the character one past the length of
10537 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10538 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10539 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10540 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10541 (make_automaton_attrs): New.
10542 (main): Do not call into genautomata. Call local gen_bypass
10543 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10544 Remove special case for insn_alts.
10545 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10546 varray.h (leftover from previous change). Prune set of forward
10547 function declarations. Remove state_alts fields from all
10548 structures. Remove state_alts_table from struct automaton.
10549 Make everything except main static. Do not maintain num_dfa_decls.
10550 Do not maintain state_alts fields of various structures.
10551 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10552 (add_arc): Remove state_alts argument. All callers updated.
10553 (output_reserved_units_table): Emit #ifdef here...
10554 (output_tables): ...not here. Don't generate state_alts tables.
10555 (expand_automata): Don't generate attributes.
10556 (write_automata): Don't generate state_alts functions.
10557 (main): New function.
10558 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10559 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10560 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10561 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10562 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10563 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10564 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10565 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10567 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10568 * genattrtab.h: Delete file.
10569 * Makefile.in (OBJS-common): Add insn-automata.o.
10570 (insn-automata.o): New rule.
10571 (simple_generated_c): Add insn-automata.c.
10572 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10573 (genprogmd): Add automata.
10574 (build/genattrtab): Needs no extra objects nor libraries.
10575 (build/genautomata): Needs build/vec.o and -lm.
10577 2006-01-22 Zack Weinberg <zackw@panix.com>
10579 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10580 (output_dfa_max_issue_rate, locked_states_num): Delete.
10581 (struct automaton): Add locked_states field.
10582 (output_dead_lock_vect): Save number of locked states in
10583 automaton->locked_states. If it is zero, don't print anything.
10584 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10585 (output_internal_dead_lock_func): Only test the dead_lock_vect
10586 for automata that have locked states.
10587 (output_statistics): Always print the number of locked states for
10588 each automaton. Calculate total number of locked states here.
10589 (write_automata): Don't call output_dfa_max_issue_rate.
10590 * genattrtab.c: Define length_unit_log as a const variable.
10591 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10592 max_insn_queue_index const.
10593 * final.c (length_unit_log): Declare const.
10594 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10596 2006-01-22 Zack Weinberg <zackw@panix.com>
10598 * genautomata.c: Include vec.h, not varray.h.
10599 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10600 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10601 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10602 VEC_* macros operating on appropriately typed vectors, or to
10603 malloced arrays when the size is known in advance. Const-ify
10604 many char* variables and function arguments. No functional changes.
10605 * Makefile.in (build/varray.o): Delete rule.
10606 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10607 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10609 2006-01-22 Zack Weinberg <zackw@panix.com>
10611 * gensupport.c: Define get_insn_name and record_insn_name here.
10612 (read_md_rtx): Call record_insn_name as appropriate.
10613 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10614 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10615 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10617 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10618 (BUILD_VARRAY): Delete.
10619 (genprognormal): Rename genprogmd. Fold in all programs from
10620 genprognoprint; also attrtab.
10621 (build/genattrtab): Just mention genautomata.o and varray.o.
10622 Reorganize a bit, add comments to make the categories clearer.
10624 2006-01-22 Zack Weinberg <zackw@panix.com>
10626 * genconditions.c (condition_table, add_condition): Delete.
10627 (write_conditions): Don't emit n_insn_conditions nor
10628 insn_elision_unavailable. Issue the gcc version #ifdef here,
10629 inside the table, with no #else clause ...
10630 (write_header): ...not here.
10631 (write_writer): New function.
10632 (main): Don't initialize condition_table. Use add_c_test.
10634 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10635 files on the command line.
10636 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10637 Return -1 if there is no entry in the table, don't abort.
10638 (add_c_test, traverse_c_tests): New functions.
10639 * gensupport.h (insn_elision_unavailable, insn_conditions)
10640 (n_insn_conditions): Delete declarations.
10641 (add_c_test, traverse_c_tests): Declare.
10642 * read-rtl.c: Include gensupport.h.
10643 (read_conditions): New function.
10644 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10645 (read_rtx_1): If we get EOF when we were looking for an initial
10646 open paren, return 0. Call read_conditions when appropriate.
10647 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10648 dummy-conditions.o. Eliminate references to insn-conditions.o,
10649 or change them to build/gencondmd.o, as appropriate. Remove
10650 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10651 from $(simple_generated_c). For all files remaining in those
10652 two lists, add insn-conditions.md to the generator command line.
10653 Give insn-constants.h/s-constants their own rules. Add rules
10654 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10655 (build/read-rtl.o): Depend on gensupport.h.
10656 (genprognormal): Include preds.
10657 (genprogearly): Rename genprognoprint; only difference is now that
10658 they don't link with $(BUILD_PRINT).
10659 * dummy-conditions.c: Delete.
10661 2006-01-22 Zack Weinberg <zackw@panix.com>
10663 * genextract.c: Don't include insn-config.h. Do include vec.h.
10664 Declare vectors of int, char, and locstr.
10665 (locstr): New typedef.
10666 (struct extraction): Make all array fields into bare pointers.
10667 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10668 (insn_code_number): Delete.
10669 (accum_extract): New struct.
10670 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10671 (gen_insn): Take insn_code_number as an argument. Use an
10672 accum_extract structure instead of loading data directly into
10673 a struct extraction, and having to know how big it might get.
10674 (walk_rtx): Operate entirely on an accum_extract structure.
10675 (print_path): Avoid unnecessary use of printf.
10676 (print_header): New function, split out of main. Distinguish
10677 more carefully between an unrecognizable insn and an insn that
10678 has the code number of a define_expand.
10679 (main): Pass insn_code_number to gen_insn. Call print_header
10680 only after parsing. Avoid unnecessary use of printf.
10681 * Makefile.in (build/vec.o): New rule.
10682 (build/genextract): Depend on build/vec.o.
10683 (build/genextract.o): Don't depend on insn-config.h.
10685 2006-01-22 Zack Weinberg <zackw@panix.com>
10687 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10688 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10689 practical. Eliminate per-generator-program link rules.
10691 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10693 PR middle-end/24437
10694 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10695 with a call expr to ...
10696 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10698 2006-01-23 Richard Guenther <rguenther@suse.de>
10700 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10701 before make_edge with conditional EDGE_TRUE_VALUE.
10703 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10704 Jan Hubicka <jh@suse.cz>
10705 Richard Guenther <rguenther@suse.de>
10707 PR rtl-optimization/25654
10708 * cfgexpand.c (aggregate_contains_union_type): New function.
10709 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10710 for structure variables that contain a union type.
10712 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10714 * gengtype.c (new_structure): Return the structure.
10715 (create_option): Add an extra "next" argument.
10716 (create_field): New function.
10717 (adjust_field_rtx_def): Use create_option and create_field.
10718 Remove a now-unnecessary call to find_structure.
10719 (adjust_field_tree_def): Likewise.
10720 (note_yacc_type): Remove an unnecessary call to find_structure.
10721 * gengtype.h (new_structure): Return the structure.
10722 (create_option): Add an extra argument.
10723 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10724 (option): Adjust calls to create_option.
10726 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10728 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10730 2006-01-22 Paul Brook <paul@codesourcery.com>
10731 Peter Barada <peter@the-baradas.com>
10733 * config/m68k/m68k.md: Add Coldfire FPU support.
10734 Define FP mode macro and associated attributes.
10735 Use it for float mode patterns.
10736 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10737 (LIBCALL_VALUE): Use m68k_libcall_value.
10738 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10739 (m68k_function_value): Ditto.
10740 (emit_move_sequence): Ditto.
10741 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10742 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10743 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10744 (MULTILIB_EXCEPTIONS): Ditto.
10745 * config/m68k/m68k.opt: Add mcfv4e.
10746 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10747 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10748 (m68k_output_function_prologue): Save ColdFire FPU registers.
10749 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10750 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10751 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10752 ColdFire FPU registers.
10753 (m68k_libcall_value, m68k_function_value): New functions.
10754 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10755 (LIBCALL_VALUE): Use m68k_libcall_value.
10756 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10757 (MASK_COLDFIRE): Add MASK_CFV4E.
10758 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10759 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10760 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10761 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10762 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10763 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10764 * doc/invoke.tex: Document -mcfv4e on m68k.
10766 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10768 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10771 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10774 * c-opts.c (c_common_handle_option): Don't include
10775 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10776 * doc/invoke.texi (C++ Dialect Options): Document that
10777 -Wnon-virtual-dtor is no longer included in -Wall.
10779 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10781 * gcov.c (print_version), gcov-dump.c (print_version),
10782 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10785 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10787 * df-scan.c (problem_SCAN): Added NULL reset function.
10788 (df_scan_reset_blocks): Added code to call reset block function
10789 (df_bb_refs_delete) Fixed comment.
10790 (df_insn_refs_delete): Made tolerant of deleting non existent info
10791 for dataflow problems that need to be reset.
10792 * df-core.c (df_set_blocks): Ditto.
10793 * df.h (struct df_problem): Added reset_fun.
10794 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10795 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10796 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10797 functions to clear out all references to def-use or use-def chains.
10799 2006-01-21 Ben Elliston <bje@au.ibm.com>
10801 * varasm.c (assemble_real): Initialise data array.
10803 2006-01-20 Paul Brook <paul@codesourcery.com>
10805 Merge from csl-arm-branch.
10806 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10807 * config/arm/arm.md (movdi): Force operands[1] to a register
10808 if we have a non-register source.
10809 (*arm_movdi, *movdf_soft_insn): Require that one of the
10810 operands be a register.
10811 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10812 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10814 2006-01-20 DJ Delorie <dj@redhat.com>
10816 * varasm.c (initializer_constant_valid_p): Allow pointers
10817 initialized from integer constants of lesser precision.
10818 (output_constant): Allow non-int-sized pointer modes to be
10819 initialized from integer constants.
10821 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10824 * cppdefault.h (struct default_include): Add multilib flag.
10825 * cppdefault.c (cpp_include_defaults): Set it.
10826 * c.opt (-imultilib): New option.
10827 * c-opts.c (imultilib): New.
10828 (c_common_handle_option): Handle -imultilib.
10829 (c_common_post_options): Likewise.
10830 * c-incpath.c (add_standard_paths, register_include_chains):
10832 * c-incpath.h (register_include_chains): Add extra parameter.
10833 * gcc.c (do_spec_1): Generate -imultilib option.
10834 (The Specs Language): Update %I description.
10835 (process_command): Update copyright notice.
10836 * doc/cppopts.texi (-imultilib): Document.
10837 * doc/invoke.texi (-imultilib): Include in option summary.
10838 (%I): Update specs documentation.
10840 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10842 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10844 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10846 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10849 2006-01-20 Richard Guenther <rguenther@suse.de>
10850 Steven Bosscher <stevenb.gcc@gmail.com>
10852 PR rtl-optimization/24626
10853 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10854 EDGE_TRUE_VALUE if in RTL mode.
10857 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10858 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10860 2006-01-20 Dirk Mueller <dmueller@suse.com>
10863 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10864 instead of a special NOP marker.
10865 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10866 NOP marker handling.
10867 * c-common.h (empty_body_warning): Add forward declaration.
10868 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10869 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10871 2006-01-20 Paul Brook <paul@codesourcery.com>
10873 * Makefile.in (lang_checks): Keep going if mkdir fails.
10875 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10877 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10878 be able to clean out basic block when not necessary.
10879 (df_scan_free): Fixed to properly delete information if df is
10880 unused before calling df_finish.
10881 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10882 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10884 (df_bb_refs_delete): New function.
10885 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10886 * df-core.c (df_set_blocks): Added code to properly clean out
10887 unused blocks if they are not part of the blocks to consider.
10888 Added additional null check.
10889 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10890 be able to clean out basic block when not necessary
10891 * df.h (df_free_bb_function): Ditto.
10892 (df_bb_refs_delete): New function.
10893 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10894 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10895 basic block parameter to be able to clean out basic block when not
10897 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10898 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10899 Fixed to properly delete information if df is unused before
10902 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10904 PR rtl-optimization/25799
10905 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10906 Corrected confluence operator to remove bits from op2 before oring
10907 with op1 rather than removing bits from op1.
10908 (df_ru_transfer_function): Corrected test on wrong bitmap which
10909 caused infinite loop. Both of these problems were introduced in
10910 the dataflow rewrite.
10912 2006-01-19 DJ Delorie <dj@redhat.com>
10914 * reload1.c (find_reload_regs): Note the details of reload
10915 failures in the dump file.
10916 (spill_failure): Likewise.
10918 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10920 * loop-iv.c: Include df.h and hashtab.h.
10921 (enum iv_grd_result): New enum.
10922 (DF_REF_IV, DF_REF_IV_SET): New macros.
10923 (struct biv_entry): New.
10924 (df, bivs): New global variables.
10925 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10926 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10928 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10929 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10930 analyzed_for_bivness_p, record_biv): New functions.
10931 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10932 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10933 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10935 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10937 (iv_number_of_iterations): Use new interface to iv analysis.
10938 * loop-unroll.c: Do not include varray.h.
10939 (analyze_iv_to_split_insn): Use new interface to iv
10941 * loop-unswitch.c (may_unswitch_on): Ditto.
10942 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10944 (df_bb_modify): Realloc tables to the new index.
10945 (df_find_use): New function.
10946 * df.h (df_find_use): Declare.
10947 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10949 * cfgloop.h (struct rtx_iv): Remove analysed field.
10950 (iv_get_reaching_def): Removed.
10951 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10952 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10953 (loop-iv.o): Add df.h and hashtab.h dependency.
10954 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10956 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10959 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10961 (__floatundisf, __floatundidf): Likewise.
10962 * libgcc2.h (IS_IBM_EXTENDED): Define.
10964 2006-01-19 DJ Delorie <dj@redhat.com>
10966 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10968 2006-01-19 Paul Brook <paul@codesourcery.com>
10970 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10971 as nothrow when unwinding tables are disabled.
10973 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10976 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10977 of bit-field" when in system header.
10979 2006-01-19 DJ Delorie <dj@redhat.com>
10981 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10982 the 16 bit shift limit of the m16c.
10984 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10987 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10988 * config/i386/i386.c (output_set_got): Output the label if we have one
10989 for the TARGET_DEEP_BRANCH_PREDICTION case.
10991 2006-01-19 Jan Hubicka <jh@suse.cz>
10992 H.J. Lu <hongjiu.lu@intel.com>
10993 Evandro Menezes <evandro.menezes@amd.com>
10995 * invoke.texi (generic): Document
10997 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10998 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10999 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
11000 (x86_use_incdec, x86_pad_returns): New variables
11001 (TARGET_CPU_DEFAULT_generic): New constant
11002 (TARGET_CPU_DEFAULT_NAMES): Add generic.
11003 (enum processor_type): Add generic32 and generic64.
11004 * i386.md (cpu attribute): Add generic32/generic64
11005 (movhi splitter): Behave sanely when both partial_reg_dependency and
11006 partial_reg_stall are set.
11007 (K8 splitters): Enable for generic as well.
11008 * predicates.md (incdec_operand): Use TARGET_INCDEC
11009 (aligned_operand): Avoid memory mismatch stalls.
11010 * athlon.md: Enable for generic64, new patterns for 128bit moves.
11011 * ppro.md: Enable for generic32
11012 * i386.c (generic64_cost, generic32_cost): New.
11013 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
11014 (x86_use_leave): Enable for generic64. (x86_use_sahf,
11015 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
11016 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
11017 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
11018 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11019 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11020 x86_accumulate_outgoing_args, x86_prologue_using_move,
11021 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
11022 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
11023 Enable for generic.
11024 (x86_use_incdec, x86_pad_returns): New.
11025 (override_options): Add generic32 and generic64, translate "generic"
11026 to generic32/generic64 and "i686" to "generic32", refuse
11027 "generic32"/"generic64" as arch target.
11028 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
11029 (ix86_reorg): Honor PAD_RETURNS.
11031 2006-01-19 Diego Novillo <dnovillo@redhat.com>
11033 * tree-pretty-print.c (dump_generic_node): Handle
11034 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
11035 * cgraph.c (cgraph_expand_queue): Rename from
11036 cgraph_analyze_queue. Update all users.
11037 * cgraphunit.c (cgraph_assemble_pending_functions): Process
11038 cgraph_expand_queue.
11039 (cgraph_expand_all_functions): Likewise.
11040 (cgraph_finalize_pending_functions): Remove. Update callers.
11042 * tree.h (OMP_DIRECTIVE_P): Define.
11043 (OMP_PARALLEL_FN): Define.
11044 (OMP_PARALLEL_DATA_ARG): Define.
11045 (OMP_SECTIONS_SECTIONS): Define.
11046 * tree-pass.h (pass_expand_omp): Declare.
11047 * omp-low.c (struct omp_region): Declare.
11048 (struct omp_context): Remove fields 'parallel_type',
11049 'parallel_start_ix' and 'parallel_start_additional_args'.
11051 (struct omp_for_data): Rename from struct expand_omp_for_data.
11052 (omp_regions): New static variable.
11053 (root_omp_region): New static variable.
11054 (find_omp_clause): Make static.
11055 (is_in_combined_parallel_ctx): Remove.
11056 (is_combined_parallel): New.
11057 (extract_omp_for_data): Move earlier in the file.
11058 (workshare_safe_to_combine_p): New.
11059 (get_ws_args_for): New.
11060 (determine_parallel_type): Move earlier in the file.
11061 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
11063 (omp_copy_decl): Likewise.
11064 (create_omp_child_function): Likewise.
11065 (lookup_omp_region): New.
11066 (dump_omp_region): New.
11067 (debug_omp_region): New.
11068 (debug_all_omp_regions): New.
11069 (new_omp_region): New.
11070 (scan_omp_parallel): If parallel_nesting_level > 1, the
11071 directive is nested within another parallel directive.
11072 Set OMP_PARALLEL_FN.
11073 (scan_omp_for): Do not try to handle combined parallel+for
11075 Remove FIXME comment.
11076 (scan_omp_nested): Remove.
11077 (scan_omp_1): Do not call scan_omp_nested when
11078 parallel_nesting_level is > 1.
11079 Do not change the DECL_CONTEXT of local variables found.
11080 (lookup_decl_in_outer_ctx): New.
11081 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
11082 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
11083 (lower_reduction_clauses): Rename from expand_reduction_clauses.
11084 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
11085 If CTX is nested, lookup VAR in the outer context when
11086 building copy assignment.
11087 (lower_send_clauses): Rename from expand_send_clauses.
11088 If CTX is nested, lookup VAR in the outer context when
11089 building copy assignments.
11090 (lower_send_shared_vars): Rename from expand_send_shared_vars.
11091 If CTX is nested, lookup VAR in the outer context when
11092 building copy assignments.
11093 (expand_parallel_call): Rename from build_parallel_call.
11094 Handle combined parallel+workshare cases.
11095 Re-implement to emit code into the CFG.
11097 (expand_omp_parallel): Re-implement to emit code into the CFG.
11098 Call move_sese_region_to_fn to outline the sub-graph
11099 containing the parallel region.
11100 (expand_omp_for_1): Remove.
11101 (expand_omp_for_generic): Re-implement to emit code into the
11103 (expand_omp_for_static_nochunk): Likewise.
11104 (expand_omp_for_static_chunk): Likewise.
11105 (expand_omp_for): Likewise.
11106 (expand_omp_sections): Likewise.
11107 (remove_exit_barriers): New.
11108 (expand_omp_synch): New.
11110 (build_omp_regions_1): New.
11111 (build_omp_regions): New.
11112 (execute_expand_omp): New.
11113 (gate_expand_omp): New.
11114 (pass_expand_omp): Define.
11115 (lower_omp_sections): Rename from expand_omp_sections.
11116 Set OMP_SECTIONS_SECTIONS.
11117 (lower_omp_single_simple): Rename from expand_omp_single_simple.
11118 (lower_omp_single_copy): Rename from expand_omp_single_copy.
11119 (lower_omp_single): Rename from expand_omp_simple.
11120 (lower_omp_master): Rename from expand_omp_master.
11121 (lower_omp_ordered): Rename from expand_omp_ordered.
11122 (lower_omp_critical): Rename from expand_omp_critical.
11123 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
11124 (lower_omp_for): Re-implement.
11125 (lower_omp_parallel): Re-implement.
11126 (lower_regimplify): Rename from expand_regimplify.
11127 (lower_omp_1): Rename from expand_omp_1.
11128 If there are syntax errors in the program, replace every
11129 OpenMP directive with NOP.
11130 Call lower_omp_* instead of expand_omp_*.
11131 (lower_omp): Rename from expand_omp.
11133 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
11134 * tree-gimple.h (enum omp_parallel_type): Remove.
11135 (gimple_boolify): Declare extern.
11136 (find_omp_clause, determine_parallel_type): Remove.
11138 * gimple-low.c (lower_omp_directive): New.
11139 (lower_stmt): Call it.
11140 (record_vars_into): Move from ...
11141 (record_vars): ... here.
11142 Call record_vars_into with current_function_decl.
11144 * gimplify.c (struct gimplify_ctx): Remove fields
11145 combined_pre_p and combined_ctxp. Update users.
11146 (get_formal_tmp_var): Add documentation.
11147 (gimple_boolify): Make extern.
11148 (gimplify_expr_in_ctx): Remove. Update callers.
11149 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
11150 will always be a BIND_EXPR.
11151 (gimplify_expr): Handle OMP_RETURN_EXPR.
11152 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
11153 (OMP_PARALLEL): Add 3 operands.
11154 (OMP_SECTIONS): Add 1 operand.
11155 (OMP_RETURN_EXPR): Define.
11157 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
11158 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
11159 * tree-iterator.c (alloc_stmt_list): Assert that we are not
11160 creating a circular free list.
11161 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
11163 * tree-flow.h (move_sese_region_to_fn): Declare.
11164 (record_vars_into): Declare.
11165 * tree-cfg.c (make_omp_sections_edges): New.
11166 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
11167 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
11168 OMP_SECTIONS and OMP_SECTION.
11169 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
11170 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
11171 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
11172 (gather_blocks_in_sese_region): New.
11173 (struct move_stmt_d): Declare.
11174 (move_stmt_r): New.
11175 (move_block_to_fn): New.
11176 (move_sese_region_to_fn): New.
11178 * passes.c (init_optimization_passes): Schedule
11179 pass_expand_omp after pass_init_datastructures.
11181 * tree-ssa-operands.c (get_expr_operands): Handle
11182 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
11183 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
11185 2006-01-19 Jeff Law <law@redhat.com>
11187 * tree-vrp.c (extract_range_from_assert): Refine the result range
11188 if the variable referenced by the ASSERT_EXPR has a range and
11189 either the tentative result range or the previous range is a
11192 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11194 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
11196 2006-01-19 Jan Hubicka <jh@suse.cz>
11198 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
11200 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
11202 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
11203 (expand_compound_operation, expand_field_assignment): Fail if the
11204 bit lengths of an extract operation are out of range.
11205 (make_extraction): Compute wanted_inner_mode based on the position
11206 and length of the extraction. Make it extraction_mode for non-constant
11207 positions, and do not modify offset in that case. When generating a
11208 new MEM, use a mode that can hold the extraction while keeping correct
11209 alignment. Remove code that supported MEMs wrapped by USEs.
11210 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
11212 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
11214 * config/s390/s390.md ("Y", "y"): New mode attribute.
11215 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
11216 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
11217 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
11218 "*addsi3_imm_cc", "*addsi3_carry1_cc",
11219 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
11220 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
11221 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
11222 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
11223 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
11224 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
11225 "addsi3", "subsi3"): Insn patterns removed.
11226 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
11227 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
11228 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
11229 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
11230 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
11231 "*sub<mode>3_cconly2"): New insn patterns.
11232 ("addsi3", "subsi3"): New expanders.
11234 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
11236 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
11237 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
11238 existing STMT_VINFO_VECTYPE if available.
11239 (vect_mark_relevant): Add special handling for stmts that are
11240 marked as STMT_VINFO_IN_PATTERN_P.
11241 (vect_analyze_loop): Call vect_pattern_recog.
11242 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
11243 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
11245 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
11246 (vect_recog_func_ptr): New function-pointer type.
11247 * tree-vect-patterns.c: New file.
11248 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
11249 (vect_recog_dot_prod_pattern, vect_pattern_recog):
11250 (vect_pattern_recog_1): New functions.
11251 (vect_pattern_recog_funcs): New array of function pointers.
11253 * tree-vectorizer.h (ternary_op): New enum value.
11254 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
11255 declaration. Revised documentation. Removed redundant dump prints.
11256 Removed redundant argument. Added support for reduction patterns.
11257 (vectorizable_reduction): Added support for reduction patterns.
11258 (vect_transform_stmt): Added support for patterns.
11260 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
11261 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
11262 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
11263 (expand_widen_pattern_expr): New function.
11264 (init_optabs): Initialize new optabs udot_prod_optab,
11266 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
11267 (sdot_prod_optab, udot_prod_optab): Define new optabs.
11268 (expand_widen_pattern_expr): New function declaration.
11269 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
11271 * tree-inline.c (estimate_num_insns_1): Added cases for new
11272 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11273 * tree-pretty-print.c (dump_generic_node): Likewise.
11274 (op_prio): Likewise.
11275 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
11276 * tree-ssa-operands.c (get_expr_operands): Added case for
11278 * tree-vect-patterns.c (widened_name_p): New function.
11279 (vect_recog_dot_prod_pattern): Added function implementation.
11280 * tree-vect-transform.c (get_initial_def_for_reduction): Added
11281 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
11282 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
11283 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
11285 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
11286 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
11287 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
11288 (init_optabs): Initialize new optabs widen_ssum_optab,
11290 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
11291 (widen_ssum_optab, widen_usum_optab): Define new optabs.
11292 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
11293 use instead of type of def.
11294 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
11295 function implementation.
11296 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
11297 widen_ssumv8hi): New.
11299 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
11302 2006-01-19 Richard Sandiford <richard@codesourcery.com>
11305 * c-decl.c (add_flexible_array_elts_to_size): New function.
11306 (finish_decl): Use it.
11308 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
11310 * diagnostic.h: Include options.h.
11311 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
11312 dependancies for diagnostic.h.
11313 * Makefile.in (DIAGNOSTIC_H): Add options.h.
11315 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
11317 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
11318 (ssa_ro_call_cache_valid): Ditto.
11319 * tree-ssa-alias.c (sort_tags_by_id): New function.
11320 (init_transitive_clobber_worklist): Ditto.
11321 (add_to_worklist): Ditto.
11322 (mark_aliases_call_clobbered): Ditto.
11323 (compute_tag_properties): Ditto.
11324 (set_initial_properties): Ditto.
11325 (compute_call_clobbered): Ditto.
11326 (compute_may_aliases): Call compute_call_clobbered and grouping.
11327 (compute_flow_sensitive_aliasing): Remove clobbering related code.
11328 (compute_flow_insensitive_aliasing): Grouping now happens in our
11330 (setup_pointers_and_addressables): Remove clobbering related code.
11331 (add_may_alias): Ditto.
11332 (replace_may_alias): Ditto.
11333 (get_nmt_for): Ditto.
11334 (create_global_var):
11335 (is_escape_site): Return an escape_type enumeration.
11336 * tree-flow-inline.h (is_call_clobbered): Global var does not
11337 imply call clobbered.
11338 (mark_call_clobbered): Take a reason for marking this. Remove
11339 marking of globalness, and cache invalidation.
11340 (clear_call_clobbered): Remove cache invalidation code.
11341 * tree-dfa.c (dump_variable): If details is on, dump the reason
11343 * tree-outof-ssa.c (create_temp): Copy escape mask from original
11345 * tree-flow.h (struct ptr_info_def): Add escape mask member.
11346 (struct var_ann_d): Ditto.
11347 (enum escape_type): New.
11348 (mark_call_clobbered): Adjust prototype.
11349 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
11350 are never call clobbered.
11351 Record reasons for escaping.
11352 * tree-ssa-structalias.h (is_escape_site): Update prototype.
11353 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
11354 (ssa_ro_call_cache_valid): Ditto.
11355 (clobbered_v_may_defs): Ditto.
11356 (clobbered_vuses): Ditto.
11357 (ro_call_vuses): Ditto.
11358 (clobber_stats): New.
11359 (init_ssa_operands): Zero out clobber stats.
11360 (fini_ssa_operands): Print out clobber stats.
11361 (get_call_expr_operands): Pass callee fndecl to
11362 add_call_read_ops).
11363 (add_call_clobber_ops): Remove use of cache.
11364 Add use of PURE_CONST information.
11365 (add_call_read_ops): Remove use of cache.
11366 Add use of static not_read information.
11368 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
11370 Introduce TLS descriptors for i386 and x86_64.
11371 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
11372 (TARGET_ANY_GNU_TLS): New macro.
11373 (enum tls_dialect): Added TLS_DIALECT_GNU2.
11374 (struct machine_function): Add tls_descriptor_call_expanded_p.
11375 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
11376 (ix86_current_function_calls_tls_descriptor): Likewise.
11377 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
11378 (override_options): Introduce gnu2 tls dialect.
11379 (ix86_frame_pointer_required): Functions containing TLSCALLs are
11381 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
11383 (legitimize_tls_address): Adjust logic for GNU2 TLS.
11384 (ix86_init_machine_status): Initialize new field.
11385 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
11386 (ix86_tls_module_base): New.
11387 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
11388 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
11389 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
11390 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
11391 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
11392 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
11393 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
11394 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
11395 * config/i386/predicates.md (tls_modbase_operand): New.
11396 (tp_or_register_operand): New.
11398 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
11400 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
11401 (look_for_address_of): Ditto.
11402 (ipa_init): Walk the function decls.
11403 (static_execute): Don't set readonly on FUNCTION_DECL's.
11405 2006-01-18 Roger Sayle <roger@eyesopen.com>
11407 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
11408 for shifts where the source and destination registers are different.
11410 2006-01-18 Paul Brook <paul@codesourcery.com>
11412 Merge from csl-arm-branch.
11413 2005-03-14 Julian Brown <julian@codesourcery.com>
11414 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
11415 (aeabi_llsl): Likewise.
11416 (ashrdi3): Likewise.
11417 (aeabi_lasr): Likewise.
11418 (lshrdi3): Likewise.
11419 (aeabi_llsr): Likewise.
11420 2005-03-10 Julian Brown <julian@codesourcery.com>
11421 * config.gcc: Disable shared libgcc for SymbianOS.
11422 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
11424 2006-01-18 DJ Delorie <dj@redhat.com>
11426 * c-pragma.c (handle_pragma_diagnostic): New.
11427 (init_pragma): Register it.
11428 * doc/extend.texi: Document it.
11430 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
11431 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
11432 (diagnostic_context): Add classify_diagnostic[].
11433 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
11434 as errors if they're overridden to DK_WARNING.
11435 (diagnostic_initialize): Initialize classify_diagnostic[].
11436 (diagnostic_set_kind_override): New.
11437 (diagnostic_report_diagnostic): Check for kind changes.
11438 * opts.c (common_handle_option): Take lang_mask. Update callers.
11439 Handle OPT_Werror_.
11440 * common.opt (Werror=): New.
11441 * doc/invoke.texi: Document -Werror=*
11443 2006-01-18 Jeff Law <law@redhat.com>
11445 * tree-vrp.c (test_for_singularity): Correct test for new
11446 min limit. Use operand_equal_p rather than pointer equality
11447 for testing if new min/max values are equal.
11449 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
11450 using range information until after propagation and folding.
11452 2006-01-18 Richard Henderson <rth@redhat.com>
11453 Aldy Hernandez <aldyh@redhat.com>
11454 Jakub Jelinek <jakub@redhat.com>
11455 Diego Novillo <dnovillo@redhat.com>
11457 * omp-low.c: New file.
11458 * c-omp.c: New file.
11460 2006-01-18 Richard Henderson <rth@redhat.com>
11461 Jakub Jelinek <jakub@redhat.com>
11462 Diego Novillo <dnovillo@redhat.com>
11464 * doc/invoke.texi: Document -fopenmp.
11465 * tree-dump.h (debug_function): Declare.
11466 * hooks.c (hook_bool_tree_bool_false): New function.
11467 (hook_tree_tree_null): Remove.
11468 (hook_tree_tree_tree_null): New.
11469 * hooks.h: Update to match.
11470 * tree-pretty-print.c (debug_tree_chain): New.
11471 (print_generic_expr): Handle TDF_CHAIN.
11472 (dump_generic_node): Handle BLOCK.
11473 Do not abort with incomplete SWITCH_EXPRs.
11474 Do not dump body of an OpenMP directive if TDF_SLIM is given.
11475 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
11476 print space after directive name.
11477 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
11478 Handle OMP_MASTER and OMP_ORDERED.
11479 Handle printing of OMP_BODY just in one place, goto
11480 dump_omp_body in the rest of OMP_* nodes that have
11482 Don't handle clause nodes here. Update omp statements to
11483 use dump_omp_clauses.
11484 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
11485 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
11486 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
11487 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
11488 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
11489 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
11490 Adjust output for GOMP_PARALLEL.
11491 (dump_omp_clauses): New.
11492 (print_declaration): Dump DECL_VALUE_EXPR.
11493 (op_symbol_1): Split out of op_symbol.
11494 (dumping_stmts): Remove. Update all users.
11495 * cgraph.c (cgraph_analyze_queue): New.
11496 (cgraph_add_new_function): New.
11497 * cgraph.h (cgraph_analyze_queue): Declare.
11498 (cgraph_add_new_function): Declare.
11499 (cgraph_lower_function): Remove.
11500 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11501 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11502 and TYPE_P nodes in its default clause.
11503 (empty_body_p): New.
11504 (tree_range_check_failed): New.
11505 (build5_stat): New.
11506 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11507 OMP_CLAUSE_REDUCTION_MERGE,
11508 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11509 OMP_CLAUSE_PRIVATE_DEBUG,
11510 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11511 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11512 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11513 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11514 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11515 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11516 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11517 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11518 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11519 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11520 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11521 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11522 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11523 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11524 (TREE_RANGE_CHECK): New.
11525 (empty_body_p): Declare.
11526 (enum omp_clause_default_kind): New.
11527 (build_string_literal): Declare.
11528 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11529 (build5_stat, build5): Declare.
11530 * tree-pass.h (TDF_CHAIN): Define.
11531 * tree-pass.h (PROP_gimple_lomp): Define.
11532 (pass_lower_omp): Declare.
11533 * diagnostic.h (debug_tree_chain): Declare.
11534 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11536 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11537 * builtins.c (build_string_literal): Make extern.
11538 * gcc.c (include_spec_function): New.
11539 (static_spec_functions): Add it.
11540 (main): Move load of libgomp.spec ...
11541 (LINK_COMMAND_SPEC): ... here.
11542 (link_gomp_spec): New.
11543 (static_specs): Include it.
11544 (LINK_COMMAND_SPEC): Add link_gomp.
11545 (GOMP_SELF_SPECS): New.
11546 (driver_self_specs): Include it.
11547 (switch_matches): Don't mark inline.
11548 (main): Load libgomp.spec.
11549 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11550 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11551 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11552 * tree-gimple.h (enum omp_parallel): Declare.
11553 (determine_parallel_type): Declare.
11554 (omp_firstprivatize_variable): Declare.
11555 (omp_reduction_init): Declare.
11556 (diagnose_omp_structured_block_errors): Declare.
11557 (struct walk_stmt_info): Add want_return_expr.
11558 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11559 (find_omp_clause): Declare.
11560 (insert_field_into_struct): Declare.
11561 (struct walk_stmt_info): Move from tree-nested.c
11562 (walk_stmts): Declare.
11563 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11565 * cgraphunit.c (cgraph_lower_function): Make static.
11566 (cgraph_finalize_pending_functions): New.
11567 (cgraph_finalize_function): Call it.
11568 (cgraph_finalize_compilation_unit): Likewise.
11569 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11570 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11571 (BT_FN_UINT_UINT): New.
11572 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11573 DEF_FUNCTION_TYPE_VAR_4): Document.
11574 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11575 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11576 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11577 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11578 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11579 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11580 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11581 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11582 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11583 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11584 into separate files.
11585 (DEF_GOMP_BUILTIN): New.
11586 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11587 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11588 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11589 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11590 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11591 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11592 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11593 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11594 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11595 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11596 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11597 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11598 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11599 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11600 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11601 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11602 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11603 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11604 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11605 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11606 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11607 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11608 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11609 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11610 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11611 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11612 * sync-builtins.def: New file, moved from builtins.def.
11613 * omp-builtins.def: New file, moved from builtins.def.
11614 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11615 * gimple-low.c (lower_function_body): Clear data.
11616 (lower_stmt): Do not handle COMPOUND_EXPR.
11617 Remove call to print_node_brief.
11618 * c-tree.h (c_finish_omp_clauses): New prototype.
11619 (C_DECL_THREADPRIVATE_P): Define.
11620 (lookup_name_no_remap, c_omp_remap_private): Remove
11621 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11622 (check_for_loop_decls): Update decl.
11623 (lookup_name_no_remap, c_omp_remap_private): Declare.
11624 (build_indirect_ref, build_modify_expr, pushdecl,
11625 pushdecl_top_level): Move to c-common.h.
11626 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11627 before the switch, but just in the 2 places that need it.
11628 * c-decl.c (diagnose_mismatched_decls): Do not check for
11629 mismatched thread-local attributes when OLDDECL is marked
11630 threadprivate and NEWDECL has no thread-local attributes.
11631 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11632 (c_gimple_diagnostics_recursively): Rename from
11633 c_warn_unused_result_recursively. Invoke
11634 diagnose_omp_structured_block_errors.
11635 (check_for_loop_decls): Return a singular decl found.
11636 * langhooks.c (lhd_omp_predetermined_sharing): Return
11637 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11638 (lhd_omp_firstprivatize_type_sizes): New.
11639 (lhd_omp_assignment): New.
11640 (lhd_omp_predetermined_sharing): New.
11641 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11642 (struct lang_hooks_for_types): Add
11643 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11644 omp_predetermined_sharing, omp_disregard_value_expr,
11645 omp_private_debug_clause, omp_clause_default_ctor,
11646 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11647 (c_finish_omp_clauses): New.
11648 (c_finish_bc_stmt): Diagnose break within omp for.
11649 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11650 (build_unary_op): Return error_mark after reporting
11652 (build_modify_expr): Likewise.
11653 * gimplify.c: Include optabs.h and pointer-set.h.
11654 (enum gimplify_omp_var_data): Declare.
11655 (struct gimplify_omp_ctx): Declare.
11656 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11658 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11659 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11660 (splay_tree_compare_decl_uid): New.
11661 (new_omp_context): New.
11662 (delete_omp_context): New.
11663 (gimple_add_tmp_var): Call omp_add_variable.
11664 (gimplify_bind_expr): Likewise.
11665 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11666 true, disregard DECL_VALUE_EXPR on the decl if any.
11667 (gimplify_expr_in_ctx): New.
11668 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11669 omp_add_variable, omp_notice_variable, omp_is_private
11670 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11671 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11672 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11673 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11674 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11675 gimplify_omp_atomic): New.
11676 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11677 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11678 OMP_CRITICAL and OMP_ATOMIC.
11679 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11680 * c-pragma.h (enum pragma_kind): Add
11681 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11682 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11683 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11684 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11685 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11686 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11687 PRAGMA_OMP_THREADPRIVATE.
11688 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11689 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11690 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11691 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11692 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11693 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11694 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11695 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11696 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11697 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11698 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11699 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11700 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11702 (struct nesting_info): Add field_map,
11703 suppress_expansion, debug_var_chain.
11704 (create_nesting_tree): Initialize them.
11705 (lookup_field_for_decl): Use field_map.
11706 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11707 (convert_local_omp_clauses): New.
11708 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11709 (walk_body): Split out of walk_function.
11710 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11711 (convert_nonlocal_reference): Handle omp statements.
11712 (convert_local_reference): Likewise.
11713 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11714 (unnest_nesting_tree): New.
11715 (lower_nested_functions): Call it.
11716 (insert_field_into_struct): Make extern.
11717 (struct walk_stmt_info): Move to tree-gimple.h.
11718 (walk_stmts): Make extern.
11719 * omp-builtins.def: New file.
11720 * tree-iterator.c (expr_only): Clarify comment.
11721 * c-common.h (pushdecl_top_level, pushdecl,
11722 build_modify_expr, build_indirect_ref,
11723 c_finish_omp_master, c_finish_omp_critical,
11724 c_finish_omp_ordered, c_finish_omp_barrier,
11725 c_finish_omp_atomic, c_finish_omp_flush,
11726 c_finish_omp_for, c_split_parallel_clauses,
11727 omp_clause_default_kind, c_omp_sharing_predetermined,
11728 c_omp_remap_decl): Declare.
11729 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11730 (OBJS-common): Add omp-low.o.
11731 (c-omp.o, omp-low.o): Add.
11732 (gimplify.o): Add dependency on $(OPTABS_H).
11733 (GTFILES): Add omp-low.c.
11734 (gt-stringpool.h): Add.
11735 * tree-cfg.c (set_bb_for_stmt): Do not update the
11736 block-to-labels map if we are currently expanding to RTL.
11737 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11739 Handle IDENTIFIER_NODE.
11740 (tree_verify_flow_info): Do not ICE when emitting error
11741 messages about invalid labels.
11742 (dump_function_to_file): Reset CFUN before emitting the body
11744 (debug_function): New.
11745 * passes.c (init_optimization_passes): Schedule
11747 * langhooks-def.h (lhd_omp_predetermined_sharing,
11748 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11750 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11751 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11752 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11753 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11754 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11755 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11756 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11757 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11758 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11759 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11760 (LANG_HOOK_DECLS): Use them.
11762 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11763 Richard Henderson <rth@redhat.com>
11764 Jakub Jelinek <jakub@redhat.com>
11765 Diego Novillo <dnovillo@redhat.com>
11767 * c-parser.c (pragma_omp_clause): Define.
11768 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11769 (c_parser_compound_statement): Likewise.
11770 (c_parser_statement): Likewise.
11771 (c_parser_pragma): Handle omp pragmas.
11772 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11773 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11774 (c_parser_omp_clause_name, check_no_duplicate_clause,
11775 c_parser_omp_variable_list,
11776 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11777 c_parser_omp_clause_copyprivate,
11778 c_parser_omp_clause_default,
11779 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11780 c_parser_omp_clause_lastprivate,
11781 c_parser_omp_clause_nowait,
11782 c_parser_omp_clause_num_threads,
11783 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11784 c_parser_omp_clause_reduction,
11785 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11786 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11787 c_parser_omp_atomic, c_parser_omp_barrier,
11788 c_parser_omp_critical, c_parser_omp_flush,
11789 c_parser_omp_for_loop, c_parser_omp_for,
11790 c_parser_omp_master, c_parser_omp_ordered,
11791 c_parser_omp_sections_scope, c_parser_omp_sections,
11792 c_parser_omp_parallel, c_parser_omp_single,
11793 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11794 * c-pragma.c (init_pragma): Do omp pragma registration here.
11795 * c.opt (fopenmp): New flag.
11797 2006-01-18 Eric Christopher <echristo@apple.com>
11799 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11800 * config/darwin.h (GOMP_SELF_SPECS): Define.
11802 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11804 * rtl.h: Remove the prototype for reg_alloc.
11806 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11809 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11810 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11811 sjlj and dwarf2 exception handling.
11812 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11813 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11814 * pa/pa.c (function_value): Treat complex and vector types as
11816 (function_arg): Likewise. Only pass scalar floats in the floating
11817 point argument registers.
11818 * pa/t-slibgcc-dwarf-ver: New file.
11819 * pa/t-slibgcc-sjlj-ver: New file.
11820 * pa/t-slibgcc-elf-ver: Delete file.
11822 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11824 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11825 unlikely_test_section_p test.
11827 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11829 * mode-switching.c (optimize_mode_switching): Make it static.
11830 * basic-block.h: Remove the prototype for
11831 optimize_mode_switching.
11833 * modulo-sched.c (sms_schedule): Make it static.
11834 * rtl.h: Remove the prototype for sms_schedule.
11836 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11837 * rtl.h: Remove the prototype for gcse_after_reload_main.
11839 * reg-stack.c (reg_to_stack): Make it static.
11840 * rtl.h: Remove the prototype for reg_to_stack.
11842 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11844 * rtl.h: Remove the prototypes for regrename_optimize and
11845 copyprop_hardreg_forward.
11847 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11849 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11850 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11851 Test against the appropriate null constant for the mode.
11852 If 'fixup_overlap' is true, swap the operands if they overlap.
11853 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11854 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11855 alpha_split_tmode_pair and adjust for above change.
11856 * config/alpha/alpha.md (movtf_internal): Adjust call to
11857 alpha_split_tfmode_pair and rely on it to swap the operands.
11858 (movti_internal): New insn and post-reload splitter.
11859 (movti): New expander.
11861 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11863 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11866 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11868 * rtlanal.c (global_reg_mentioned_p_1,
11869 global_reg_mentioned_p): Remove.
11870 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11872 * flow.c (initialize_uninitialized_subregs): Make it static.
11873 * rtl.h: Remove the prototype for
11874 initialize_uninitialized_subregs.
11876 * function.c (instantiate_virtual_regs): Make it static.
11877 * function.h: Remove the prototype for
11878 instantiate_virtual_regs.
11880 * regmove.c (regmove_optimize, combine_stack_adjustments):
11882 * rtl.h: Remove the prototypes for regmove_optimize and
11883 combine_stack_adjustments.
11885 2006-01-17 Roger Sayle <roger@eyesopen.com>
11887 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11888 (size_cost): Encode costs in bytes so that a reg-reg addition is
11889 equivalent to COSTS_N_INSNS(1).
11890 (override_options): Use the size_cost.branch_cost as the default
11891 ix86_branch_cost when optimizing for size.
11893 2006-01-18 Ben Elliston <bje@au.ibm.com>
11895 * Makefile.in (D32PBIT_FUNCS): New.
11896 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11897 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11898 D64PBIT_FUNCS and D128PBIT_FUNCS.
11899 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11900 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11902 (decnumber_dep): Define.
11903 * doc/libgcc.texi (Decimal float library routines): New node.
11904 * config/dfp-bit.h, config/dfp-bit.c: New files.
11906 2006-01-18 Ben Elliston <bje@au.ibm.com>
11908 * expr.c (emit_move_change_mode): Always adjust addresses, not
11909 just during reload. Copy replacements only during reload.
11910 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11911 emit_move_via_integer.
11913 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11915 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11916 instead of $(srcdir) and ${srcdir}.
11918 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11921 PR middle-end/11135
11922 * arm.h (struct machine_function): Add pic_reg.
11923 * arm.c (arm_pic_register): Make unsigned.
11924 (arm_override_options): Only set arm_pic_register if
11925 TARGET_SINGLE_PIC_BASE.
11926 (use_return_insn): Only test for a pic register if it is fixed.
11927 (arm_compute_save_reg0_reg12_mask): Likewise.
11928 (thumb_compute_save_reg_mask): Likewise.
11929 (legitimate_pic_operand): Factor out some known invariants.
11930 (legitimize_pic_address): If we don't have a fixed pic register,
11931 then set up a pseudo in the function entry sequence. Handle the
11932 pic base being in a pseudo.
11933 (arm_load_pic_register): Handle the pic register being in a pseudo.
11934 (arm_expand_prologue): Only set up the pic register if it is fixed.
11935 (thumb_expand_prologue): Likewise.
11936 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11937 (pic_load_addr_based_insn): Likewise.
11938 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11941 2006-01-18 Ben Elliston <bje@au.ibm.com>
11943 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11944 decimal float modes for all floating point registers.
11946 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11947 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11949 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11952 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11953 even when the pointer is not NULL.
11955 2006-01-16 Ian Lance Taylor <ian@airs.com>
11957 * common.opt (ftoplevel-reorder): New option.
11958 * cgraph.c (cgraph_asm_nodes): New global variable.
11959 (cgraph_asm_last_node): New static variable.
11960 (cgraph_order): New global variable.
11961 (cgraph_create_node): Set new order field.
11962 (cgraph_varpool_node): Likewise.
11963 (decide_is_variable_needed): Return true if not
11964 flag_toplevel_reorder.
11965 (cgraph_add_asm_node): New function.
11966 * cgraph.h (struct cgraph_node): Add order field.
11967 (struct cgraph_varpool_node): Add order field.
11968 (struct cgraph_asm_node): Define.
11969 (cgraph_asm_nodes, cgraph_order): Declare.
11970 (cgraph_add_asm_node): Declare.
11971 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11973 (cgraph_varpool_assemble_pending_decls): Call it.
11974 (cgraph_output_pending_asms): New static function.
11975 (cgraph_finalize_compilation_unit): Call it.
11976 (struct cgraph_order_sort): Define.
11977 (cgraph_output_in_order): New static function.
11978 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11979 !flag_toplevel_reorder case.
11980 * c-parser.c: Include "cgraph.h".
11981 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11983 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11984 than -fno-unit-at-a-time.
11985 * doc/invoke.texi (Option Summary): Mention
11986 -fno-toplevel-reorder.
11987 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11988 -funit-at-a-time documentation.
11990 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11991 Kazu Hirata <kazu@codesourcery.com>
11993 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11995 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11997 * Makefile.in (FUNCTION_H): New. Use it instead of
11998 function.h throughout the file.
11999 * function.h: Include tree.h.
12001 2006-01-17 Ben Elliston <bje@au.ibm.com>
12003 * recog.c: Separate some functions with whitespace.
12005 2006-01-16 Richard Henderson <rth@redhat.com>
12007 Merge from gomp branch:
12008 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
12009 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
12010 and rename from struct inline_data. Rename callee* to dst*;
12011 caller* to src*; add copy_decl hook, transform_call_graph_edges,
12012 transform_new_cfg, transform_return_to_modify, and
12013 transform_lang_insert_block flags; remove cloning_p, versioning_p,
12015 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
12016 (copy_decl_for_dup): Remove.
12017 * tree-inline.c (struct inline_data): Move to header.
12018 (insert_decl_map): Export.
12019 (remap_decl): Update for member name changes. Use copy_decl hook.
12020 Allow for replacement to be a non-decl. Remove dead code.
12021 (remap_type_1): Check for existing mapping.
12022 (remap_type): Export.
12023 (remap_decls): Update for member name changes.
12024 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
12025 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
12026 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
12027 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
12028 (tree_function_versioning, build_duplicate_type): Likewise.
12029 (copy_body_r): Likewise. Export.
12030 (copy_decl_for_dup): Split into ...
12031 (copy_decl_for_dup_finish, copy_decl_to_var,
12032 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
12033 (replace_ref_tree, inlining_p): Remove.
12035 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12037 * ifcvt.c (if_convert): Make it static.
12038 * rtl.h: Remove the prototype for if_convert.
12040 * local-alloc.c (local_alloc): Make it static.
12041 * rtl.h: Remove the prototype for local_alloc.
12043 * loop.c (loop_optimize): Make it static.
12044 * cfgloop.h: Remove the prototype for loop_optimize.
12047 2006-01-16 DJ Delorie <dj@redhat.com>
12049 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
12052 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12054 * pa.md: Disparage copies between general and floating-point registers
12055 in 32-bit move patterns.
12057 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
12060 * Makefile.in (check-%): Depend on site.exp instead of
12061 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
12064 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12066 * global.c (global_alloc): Make it static.
12067 * rtl.h: Remove the prototype for global_alloc.
12069 2006-01-16 Richard Guenther <rguenther@suse.de>
12071 * tree-ssa-alias.c (struct used_part): Add write_only field.
12072 (get_or_create_used_part_for): Initialize it to true.
12073 (create_overlap_variables_for): Don't create structure variables
12074 for structures that only are written to.
12075 (find_used_portions): Handle MODIFY_EXPR to track whether a
12076 structure is only written to.
12078 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12080 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
12082 * basic-block.h: Remove the prototype for
12083 partition_hot_cold_basic_blocks.
12085 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
12087 * cppspec.c (lang_specific_spec_functions): Remove.
12088 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
12089 * gcc.h (lang_specific_spec_functions): Remove.
12090 * gccspec.c (lang_specific_spec_functions): Remove.
12092 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
12094 * combine.c (record_value_for_reg): Invalidate registers
12096 (record_dead_and_set_regs_1): Likewise, by passing them to
12097 record_value_for_reg.
12098 (record_dead_and_set_regs): Invalidate stores made by a
12099 call. We do not combine across a call, but we still
12100 relied on equivalences.
12102 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12104 * tree-vrp.c (extract_range_from_binary_expr): Cope with
12105 vrp_int_const_binop returning non-constant nodes.
12107 2006-01-16 Paul Brook <paul@codesourcery.com>
12109 * config/m68k/m68k.c (output_move_const_into_data_reg):
12110 Output correct mnemonic for mvz and mvs.
12112 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
12114 * rtl-factoring.c: Add sequence abstraction algorithm.
12115 * cfgcleanup.c (outgoing_edges_match): Extra checks.
12116 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
12118 (block_has_preserve_label): New function.
12119 * common.opt: Register new pass.
12120 * Makefile.in: Ditto.
12122 * timevar.def: Ditto.
12123 * tree-pass.h: Ditto.
12124 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
12125 * rtl.h (make_jump_insn_raw): Add forward decl.
12126 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
12128 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
12129 Roger Sayle <roger@eyesopen.com>
12131 * fold-const.c (fold_minmax): New static function.
12132 (fold_binary) <MIN_EXPR>: Call it.
12133 <MAX_EXPR>: Likewise.
12134 * stor-layout.c (place_field): Use DECL_SIZE consistently
12135 in the computation of the new record size.
12137 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
12139 * cse.c (cse_condition_code_reg): Make it static.
12140 * rtl.h: Remove the prototype for cse_condition_code_reg.
12142 * combine.c (combine_instructions): Make it static.
12143 * rtl.h: Remove the prototype for combine_instructions.
12145 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12148 * tree.c (get_file_function_name_long): Concatenate the first global
12149 object name with a string derived from the input filename of the object
12152 2006-01-16 Ben Elliston <bje@au.ibm.com>
12154 * config/i386/winnt-stubs.c: Update FSF address.
12155 * config/xtensa/ieee754-df.S: Ditto.
12156 * config/xtensa/ieee754-sf.S: Ditto.
12158 2006-01-14 Ian Lance Taylor <ian@airs.com>
12160 * ifcvt.c (noce_init_if_info): New static function, broken out of
12161 noce_process_if_block.
12162 (noce_process_if_block): Call noce_init_if_info.
12163 (check_cond_move_block): New static function.
12164 (cond_move_process_if_block): New static function.
12165 (process_if_block): Call cond_move_process_if_block.
12167 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
12169 * cselib.c (hash_table): Rename to cselib_hash_table.
12170 (cselib_clear_table, discard_useless_values,
12171 remove_useless_values, cselib_lookup_mem, cselib_lookup,
12172 cselib_init, cselib_finish): Adjust uses of hash_table.
12174 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
12176 PR tree-optimization/25485
12177 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
12178 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
12179 is known to be false and true, respectively.
12181 2006-01-14 Richard Guenther <rguenther@suse.de>
12183 PR tree-optimization/22548
12184 PR tree-optimization/22555
12185 PR tree-optimization/22501
12186 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
12187 * params.def (salias-max-array-elements): New parameter.
12188 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
12189 * doc/invoke.texi (salias-max-array-elements): Document.
12190 * tree-flow-inline.h (var_can_have_subvars): We also handle
12192 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
12194 * tree-ssa-structalias.c (params.h): Include.
12195 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
12196 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
12197 (get_constraint_for): For ADDR_EXPR operating on something
12198 containing an ARRAY_REF, add all subvars to the solution.
12199 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
12200 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
12201 for creating MUST_DEFs.
12202 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
12204 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
12206 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
12208 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
12209 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12210 number_of_iterations_le): New functions.
12211 (number_of_iterations_special): Removed.
12212 (number_of_iterations_exit): Do not use number_of_iterations_special.
12213 * tree.c (unsigned_type_for): Always return integer type.
12215 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
12216 Richard Guenther <rguenther@suse.de>
12218 PR rtl-optimization/24257
12219 * gcse.c (find_moveable_store): Only consider a store movable
12220 when the SET_SRC of the insn can be assigned to a register.
12222 2006-01-14 Ian Lance Taylor <ian@airs.com>
12224 * tree.c (tree_not_class_check_failed): New function.
12225 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
12226 (tree_not_class_check_failed): Declare.
12228 2006-01-13 Ian Lance Taylor <ian@airs.com>
12230 * reload1.c (do_output_reload): Add assertion rejecting a
12233 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
12235 * combine.c (struct reg_stat): Add new fields truncation_label and
12237 (record_value_for_reg): Reset truncated_to_mode.
12238 (record_truncated_value): New function.
12239 (check_promoted_subreg): Call it. Rename to check_conversions.
12240 (combine_instructions): Rename check_promoted_subreg to
12242 (reg_truncated_to_mode): New function.
12243 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
12244 (gen_lowpart_or_truncate): New function.
12245 (force_to_mode): Use it instead of gen_lowpart.
12247 2006-01-13 Diego Novillo <dnovillo@redhat.com>
12249 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
12250 VAR is a tag, not its type tag.
12252 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
12254 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
12255 alternatives to match style of other entries.
12256 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
12258 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
12260 PR tree-optimization/25771
12261 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
12264 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
12267 * tree-inline.c (declare_return_variable): If the return variable
12268 was marked as a non gimple complex, set the return slot variable
12269 to be a non gimple comple variable.
12271 2006-01-13 Richard Guenther <rguenther@suse.de>
12273 * builtins.c (expand_builtin_sincos): New function.
12274 (expand_builtin_mathfn_3): Remove dead code, sin and cos
12276 (expand_builtin): Expand sincos using expand_builtin_sincos.
12278 2006-01-12 DJ Delorie <dj@redhat.com>
12280 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
12281 shift counts, separate SI shifts for m32c vs m16c, pass shift type
12282 so that constant shifts can be split.
12283 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
12284 (m32c_valid_pointer_mode): Make static.
12285 (shift_gen_func_for): New.
12286 (m32c_prepare_shift): Use it. Split large const shifts into
12288 * config/m32c/predicates.md (shiftcount_operand): Allow more
12290 (longshiftcount_operand): New.
12291 * doc/md.texi (Machine Constraints): Document In6.
12293 2006-01-13 Ben Elliston <bje@au.ibm.com>
12295 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
12296 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
12299 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
12301 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
12302 to try to avoid clobbering pieces of structures when we know
12303 something about the whole structure.
12304 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
12306 2006-01-13 Ben Elliston <bje@au.ibm.com>
12308 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
12309 return in memory, as this is no limitation is no longer present.
12311 2006-01-12 DJ Delorie <dj@redhat.com>
12313 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
12314 mova with fb, and for fb+0 -> An.
12316 * config/m32c/mov.md (peephole2): Fix enabling logic.
12318 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
12319 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
12320 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
12321 FINI_ARRAY_SECTION_ASM_OP): Define.
12323 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
12325 (m32c_legitimize_reload_address): New logic to reload FB to An.
12326 (m32c_output_reg_push): Add newline.
12327 (m32c_output_reg_pop): Likewise.
12329 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
12331 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
12333 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
12335 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
12337 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12339 * config/sh/predicates.md (sh_rep_vec): Add parallel to
12342 2006-01-11 Ben Elliston <bje@au.ibm.com>
12344 * rtlanal.c (find_reg_note): Assert insn is not null.
12346 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12348 * df-scan.c (df_hard_reg_init): Move declaration of i outside
12351 2006-01-11 Jeff Law <law@redhat.com>
12353 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
12355 (mark_threaded_blocks, register_jump_thread): New functions.
12356 (thread_through_all_blocks): Remove unwanted argument. No
12357 longer rely on e->aux to communicate thread target info.
12358 Call mark_threaded_blocks. Release the threaded_blocks
12359 bitmap and threaded_edges vector when complete.
12360 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
12361 (threaded_blocks): Remove.
12362 (tree_ssa_dominator_optimize): Remove initialization and
12363 finalization of threaded_blocks. Simplify call to
12364 thread_through_all_blocks.
12365 (thread_across_edge): Call register_jump_thread rather than
12366 storing thread information into e->aux.
12367 (free_all_edge_infos): Simplify now that e->aux is no longer
12368 used to communicate with thread_through_all_blocks.
12369 * tree-flow.h (thread_through_all_blocks): Update prototype.
12370 (register_jump_thread): Prototype.
12372 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12374 * df-core.c (df_compact_blocks, df_bb_replace): Use
12375 SET_BASIC_BLOCK instead of BASIC_BLOCK.
12377 2006-01-11 Richard Guenther <rguenther@suse.de>
12379 PR tree-optimization/25734
12380 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
12381 stop propagation after successful propagation to the LHS.
12383 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
12385 * basic-block.h (control_flow_graph): Change the type of
12386 x_basic_block_info to VEC(basic_block,gc) *.
12387 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
12389 (SET_BASIC_BLOCK): New.
12390 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
12391 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
12392 * cfgbuild.c (find_basic_blocks): Likewise.
12393 * cfglayout.c (fixup_reorder_chain): Likewise.
12394 * cfgrtl.c (create_basic_block_structure,
12395 rtl_create_basic_block): Likewise.
12396 * ifcvt.c (find_if_case_1): Likewise.
12397 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
12400 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
12402 * Makefile.in: Removed rotted odf.c entry.
12404 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
12407 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
12408 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
12409 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
12410 output pattern modifier, not %e.
12411 * config/cris/cris.c (cris_op_str): Update comment about pattern
12413 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
12414 before falling through into...
12415 <case 'E'>: Redefined from old 'e' case.
12417 2006-01-11 Jan Hubicka <jh@suse.cz>
12420 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
12422 2006-01-11 Jan Hubicka <jh@suse.cz>
12424 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
12425 * i386.c (x86_decompose_lea): Kill.
12426 (ix86_rtx_costs): Kill.
12428 2006-01-11 Jan Hubicka <jh@suse.cz>
12430 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
12431 * cgraph.h (cgraph_node): Add inline_decl.
12432 (cgraph_insert_node_to_hashtable): Declare.
12433 (save_inline_function_body): Declare.
12434 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
12436 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
12437 (cgraph_function_versioning): Update call of tree_function_versioning.
12438 (save_inline_function_body): New function.
12439 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
12440 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
12441 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
12442 (cgraph_default_inline_p): Likewise.
12443 (cgraph_decide_inlining_incrementally): Likewise.
12444 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
12445 (copy_bb): Kill saving; do updating of clones.
12446 (copy_cfg_body): Kill saving.
12447 (initialize_inlined-parameters): Likewise.
12448 (expand_call_inline): Likewise.
12450 (tree_function_versioning): New parameter "update_clones".
12451 (inlining_p): Kill saving.
12452 * tree-inline.h (tree_function_versioning): Update prototype.
12453 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
12456 2006-01-11 Ian Lance Taylor <ian@airs.com>
12458 * combine.c (struct undo): Remove is_int. Enumify types of undos.
12459 Allow undoing set of machine mode.
12460 (do_SUBST): Use enums instead of is_int.
12461 (do_SUBST_MODE): New function.
12462 (SUBST_MODE): New macro.
12463 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
12464 reg and trying to replace reg_regno_rtx with a new register.
12465 (undo_all): Use new enums, handle undoing a PUT_MODE change.
12466 (simplify_set): Use SUBST_MODE.
12467 (distribute_notes): Remove code that tried to update reg notes
12468 for regno_reg_rtx changes.
12470 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
12472 PR tree-optimization/23109
12473 PR tree-optimization/23948
12474 PR tree-optimization/24123
12476 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
12477 * tree-cfg.c (single_noncomplex_succ): New.
12478 * tree-flow.h (single_noncomplex_succ): Declare it.
12479 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12480 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
12481 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
12482 insert_bb, register_division_in, insert_reciprocals,
12483 replace_reciprocal, free_bb): New.
12484 (execute_cse_reciprocals_1): Rewritten.
12485 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
12486 Do not commit any edge insertion. Always compute dominators and
12487 create the allocation pool.
12488 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
12489 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
12490 * targhooks.c (default_min_divistions_for_recip_mul): New.
12491 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
12492 * passes.c (init_optimization_passes): Run recip after tree loop
12494 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12496 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12497 Kenneth Zadeck <zadeck@naturalbridge.com>
12499 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12500 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12501 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12502 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12503 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12504 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12505 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12506 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12507 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12508 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12509 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12510 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12511 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12512 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12513 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12514 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12515 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12516 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12517 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12518 DF_SCAN_POST_ALLOC): New macros.
12519 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12520 df_free_bb_function, df_local_compute_function, df_init_function,
12521 df_dataflow_function, df_confluence_function_0,
12522 df_confluence_function_n, df_transfer_function,
12523 df_finalizer_function, df_free_function, df_dump_problem_function,
12524 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12525 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12526 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12527 df_urec_bb_info, ) New types.
12528 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12530 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12531 df_analyze_simple_change_some_blocks,
12532 df_analyze_simple_change_one_block, df_compact_blocks,
12533 df_bb_replace, df_bb_regno_last_use_find,
12534 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12535 df_insn_regno_def_p, df_find_def, df_find_use,
12536 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12537 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12538 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12539 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12540 debug_df_chain, df_get_dependent_problem, df_chain_create,
12541 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12542 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12543 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12544 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12545 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12546 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12547 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12548 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12549 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12550 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12551 df_reorganize_refs, df_set_state, df_hard_reg_init,
12552 df_read_modify_subreg_p) New public functions.
12553 * df-core.c: The core dataflow solver and glue routines for rtl
12555 (df_init, df_add_problem, df_set_blocks, df_finish,
12556 df_hybrid_search_forward, df_hybrid_search_backward,
12557 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12558 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12559 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12560 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12561 df_reg_defined, df_find_use, df_reg_used, df_dump,
12562 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12563 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12564 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12565 debug_df_useno, reset_df_after_reload): New functions.
12566 * df-scan.c: The scanning fuctions, once in df.c, completely
12567 rewritten so that they now fully model the functionality of
12568 register usage at the backend.
12569 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12570 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12571 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12572 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12573 df_get_artificial_defs, df_get_artificial_uses,
12574 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12575 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12576 df_refs_delete, df_reorganize_refs, df_set_state,
12577 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12578 df_def_record_1, df_defs_record, df_uses_record,
12579 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12580 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12581 df_record_exit_block_uses, df_hard_reg_init): New functions.
12583 * df-problems.c: Seven concrete dataflow problems that use the
12584 scanning in df-scan.c and are solved by the engine in df-core.c.
12585 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12586 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12587 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12588 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12589 df_ru_free_bb_info, df_ru_alloc,
12590 df_ru_bb_local_compute_process_def,
12591 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12592 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12593 df_ru_transfer_function, df_ru_free, df_ru_dump,
12594 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12595 df_rd_free_bb_info, df_rd_alloc,
12596 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12597 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12598 df_rd_transfer_function, df_rd_free, df_rd_dump,
12599 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12600 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12601 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12602 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12603 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12604 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12605 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12606 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12607 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12608 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12609 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12610 df_urec_mark_reg_use_for_earlyclobber,
12611 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12612 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12613 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12614 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12615 df_chain_create_bb_process_use, df_chain_create_bb,
12616 df_chain_finalize, df_chain_free, df_chains_dump,
12617 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12618 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12619 df_reg_lifetime): New functions.
12620 * df.c: Deleted file.
12621 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12622 consistent with new df api.
12623 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12624 rest_of_handle_sms): Ditto.
12625 * web.c (unionfind_union, union_defs, entry_register, web_main):
12627 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12628 invariant_expr_equal_p, find_defs, check_dependencies,
12629 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12630 free_inv_motion_data, move_loop_invariants): Ditto.
12631 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12632 Update dependencies.
12633 (odf.c): Added defective entry that was deleted later in day.
12634 * sched-deps.c (sched_analyze_1): Ditto.
12636 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12638 * tree-ssa-operands.c (get_expr_operands): Record addressable
12639 variables directly. Do not call add_stmt_operands for CONST_DECLs
12641 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12642 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12644 2006-01-11 Ben Elliston <bje@au.ibm.com>
12646 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12647 function returns true in the positive case.
12649 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12652 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12653 for SI, DI, SF and DF modes. Add alternatives to copy between
12654 general and floating point registers to the 32-bit patterns.
12655 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12656 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12657 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12658 generating 64-bit code.
12659 * config/pa/pa.c (output_move_double): Handle copies between general
12660 and floating registers.
12662 2006-01-10 Stuart Hastings <stuart@apple.com>
12664 * config/i386/i386.md (set_got): Update.
12665 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12666 (builtin_setjmp_receiver): Mach-O support.
12667 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12668 (GOT_SYMBOL_NAME): Define.
12669 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12670 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12671 * config/i386/i386.c (override_options): Revise for Darwin.
12672 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12673 support. (darwin_x86_file_end): New. (output_set_got): Add label
12674 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12675 * config/i386/i386-protos.h (output_set_got): Likewise.
12676 * config/darwin.c (machopic_legitimize_pic_address): Update
12679 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12681 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12682 when MODE isn't BLKmode.
12684 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12686 PR rtl-optimization/25367
12687 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12689 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12692 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12693 for a negative bound.
12695 2006-01-10 Richard Guenther <rguenther@suse.de>
12697 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12698 Never override with anything constraint.
12700 2006-01-10 Jan Beulich <jbeulich@novell.com>
12702 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12703 256 bits when optimize_size.
12705 2006-01-10 Jan Beulich <jbeulich@novell.com>
12707 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12709 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12710 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12713 2006-01-10 Ben Elliston <bje@au.ibm.com>
12715 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12717 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12718 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12719 (USE_FP_FOR_ARG): Reject decimal float modes.
12720 (function_arg_advance): Likewise.
12721 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12722 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12723 point types in AltiVec vectors.
12724 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12725 (rs6000_libcall_value): Likewise.
12727 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12729 * config/xtensa/ieee754-df.S: New file.
12730 * config/xtensa/ieee754-sf.S: New file.
12731 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12732 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12733 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12735 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12737 * config/sh/predicates.md (binary_float_operator,
12738 binary_logical_operator, commutative_float_operator,
12739 equality_comparison_operator, greater_comparison_operator,
12740 less_comparison_operator, logical_operator,
12741 noncommutative_float_operator, shift_operator,
12742 symbol_ref_operand, unary_float_operator): Remove redundant
12745 2006-01-09 Jeff Law <law@redhat.com>
12747 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12748 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12749 now unused arguments. Callers updated.
12750 (eliminate_redundant_computations): Remove now unused arguments,
12752 (local_fold): Remove, no longer used.
12753 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12755 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12756 (simplify_cond): New function.
12757 (forward_propagate_into_cond): Call simplify_cond.
12759 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12761 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12762 (*vec_extractv2di_1_sse): New.
12764 2006-01-09 Ben Elliston <bje@au.ibm.com>
12766 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12768 2006-01-08 Richard Guenther <rguenther@suse.de>
12770 * tree-ssa-structalias.c (get_constraint_for): Remove
12771 anyoffset argument.
12772 (get_constraint_for_component_ref): Likewise.
12773 (do_deref): Likewise.
12774 (get_constraint_for): Likewise.
12775 (do_structure_copy): Likewise.
12776 (handle_ptr_arith): Likewise.
12777 (find_func_aliases): Likewise. Remove unused need_anyoffset
12780 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12781 Kaz Kojima <kkojima@gcc.gnu.org>
12783 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12784 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12785 (EXTRA_CONSTRAINT_C16): Remove.
12786 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12787 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12788 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12789 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12790 constants of SHmedia. Handle nested constant expressions of
12792 (andcosts): Fix the costs for SHmedia constants.
12793 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12794 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12795 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12796 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12797 (movv4hi_i, movv2si_i): Likewise.
12798 (movsi_const): Adjust the second operand of ior so to match with
12799 the Csu constraint.
12800 (movdi_const, movdi_const_32bit): Likewise.
12801 (movdi_const_16bit+1): Don't sign-extend LOW.
12802 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12804 (*double_shori): Fix the split condition. Use GEN_INT instead
12805 of get_int_mode calls. Mask lower 16-bit of the argument of
12807 (sym2GOTPLT): Remove.
12808 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12810 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12811 instead of EXTRA_CONSTRAINT_C16.
12813 2006-01-07 Ian Lance Taylor <ian@airs.com>
12814 David Edelsohn <edelsohn@gnu.org>
12816 PR rtl-optimization/25662
12817 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12818 for constant operands instead of simplify_gen_binary.
12819 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12820 after trying simplify_binary_operation
12822 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12824 * tree.c (iterative_hash_expr): Hash decls based on UID.
12826 2006-01-06 Eric Christopher <echristo@apple.com>
12828 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12829 (TARGET_UNWIND_EMIT): Fix spelling.
12830 * target.h (gcc_target): Add except_table_label.
12831 * except.c (output_function_exception_table): Use.
12832 * varasm.c (default_emit_except_table_label): New.
12833 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12835 (asm_out): Add here.
12836 * output.h (default_emit_except_table_label): Prototype.
12837 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12838 * config/darwin.c (darwin_emit_except_table_label): Define.
12839 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12841 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12843 PR tree-optimization/18527
12844 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12845 number_of_iterations_special, number_of_iterations_exit):
12846 Move base and step of an iv to a single structure. Add
12847 no_overflow flag, and use it in # of iterations analysis.
12848 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12849 folded_casts argument.
12850 (simple_iv): Pass base and step in a structure. Set no_overflow
12852 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12853 Evaluate expensiveness of computing # of iterations instead of
12854 the final expression.
12855 * tree-scalar-evolution.h (affine_iv): New structure.
12856 (simple_iv): Declaration changed.
12857 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12858 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12859 find_givs_in_stmt): Changed due to simple_iv change.
12861 2006-01-06 Jeff Law <law@redhat.com>
12864 * tree-cfg.c (bsi_replace): Rename final argument from
12865 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12866 change (stmt -> orig_stmt).
12867 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12868 (bsi_remove): Add new argument. Remove EH information
12870 (verify_eh_throw_table_statements): New function.
12871 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12873 * tree-optimize.c (execute_free_cfg_annotations): Verify
12874 the EH throw statement table after removing annotations.
12875 * except.h (verify_eh_throw_table_statements): Prototype.
12876 * tree-flow.h (bsi_remove): Update prototype.
12877 * tree-vrp.c (remove_range_assertions): Add new argument to
12879 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12880 * tree-complex.c (expand_complex_div_wide): Likewise.
12881 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12882 * tree-tailcall.c (eliminate_tailcall): Likewise.
12883 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12884 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12885 * tree-nrv.c (tree_nrv): Likewise.
12886 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12887 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12888 (combine_blocks): Likewise.
12889 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12890 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12891 (cleanup_control_flow): Likewise.
12892 (remove_forwarder_block): Likewise.
12893 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12894 * tree-sra.c (sra_replace): Likewise.
12895 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12896 (forward_propagate_single_use_vars): Likewise.
12897 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12898 * tree-inline.c (expand_call_inline): Likewise.
12899 * tree-vect-transform.c (vect_transform_loop): Likewise.
12900 * tree-outof-ssa.c (rewrite_trees): Likewise.
12901 * tree-cfg.c (make_goto_expr_edges): Likewise.
12902 (cleanup_dead_labels): Likewise.
12903 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12904 (bsi_move_before, bsi_move_after): Likewise.
12905 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12906 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12908 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12911 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12913 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12914 on non gimple variables. Also add checks at the top for decls and
12916 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12918 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12919 and IMAGPART_EXPR for creating MUST_DEFs.
12920 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12921 and NAME_MEMORY_TAG separately from the DECLs.
12923 2006-01-06 Richard Guenther <rguenther@suse.de>
12925 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12926 annotation, if necessary.
12927 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12928 redundant calls to update_stmt.
12929 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12932 2006-01-05 Richard Henderson <rth@redhat.com>
12934 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12936 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12938 * c-typeck.c: Update copyright date.
12940 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12942 * c-typeck.c (build_c_cast): Always warn when casting
12943 from a pointer to an integer of different size, even if
12944 the node was constant.
12946 2006-01-05 Richard Guenther <rguenther@suse.de>
12948 PR tree-optimization/22555
12949 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12950 if one structure field is an array.
12951 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12952 operands even if we found a subvar, but ignore VOPs in this
12954 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12956 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12958 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12960 PR middle-end/24998
12961 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12963 2006-01-05 Richard Guenther <rguenther@suse.de>
12964 Diego Novillo <dnovillo@redhat.com>
12966 * tree-pass.h (TODO_remove_unused_locals): Define.
12967 * gimple-low.c (expand_var_p, remove_useless_vars,
12968 pass_remove_useless_vars): Remove. Update all users.
12969 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12970 (remove_unused_locals): New function.
12971 * tree-flow.h (remove_unused_locals): Declare.
12972 * passes.c (execute_todo): Call remove_unused_locals if
12973 TODO_remove_unused_locals is set.
12974 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12975 * tree-ssa-dce.c (pass_dce): Likewise.
12976 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12978 2006-01-05 Richard Guenther <rguenther@suse.de>
12980 * tree-flow.h (struct fieldoff): Decompose field to
12981 type, size and decl.
12982 * tree-ssa-alias.c (create_sft): Take type as parameter.
12983 (create_overlap_variables_for): Store type, size and decl
12984 in the fieldoff structure.
12985 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12986 of struct fieldoff.
12987 (push_fields_onto_fieldstack): Likewise.
12988 (create_variable_info_for): Likewise. Use offset for the
12989 SFT name if the decl is not available.
12991 2006-01-04 Paul Brook <paul@codesourcery.com>
12993 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12995 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12997 * lambda-code.c (can_put_in_inner_loop): Relax
12999 (can_put_after_inner_loop): New function.
13000 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
13001 (perfect_nestify): Change to make copies and modify uses.
13003 2006-01-04 Richard Henderson <rth@redhat.com>
13005 Merge from gomp branch:
13006 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
13007 via integer constant.
13008 (pragma_lex): Remove.
13009 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
13010 rather than parsing it.
13011 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
13012 handle_pragma_extern_prefix): Add %< %> quotes.
13013 (registered_pragmas): New.
13014 (c_register_pragma_1): New.
13015 (c_register_pragma): Use it.
13016 (c_register_pragma_with_expansion): Likewise.
13017 (c_invoke_pragma_handler): New.
13018 (init_pragma): Use cpp_register_deferred_pragma directly for
13020 * c-pragma.h (enum pragma_kind): New.
13021 (pragma_handler): New.
13022 (c_invoke_pragma_handler): Declare.
13023 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
13025 * c-common.h (c_common_pch_pragma): Update decl.
13026 * Makefile.in (c-parser.o): Update dependencies.
13027 (GTFILES): Add c-pragma.h.
13028 * c-parser.c (struct c_token): Add pragma_kind.
13029 (struct c_parser): Add in_pragma.
13030 (c_lex_one_token): Always initialize keyword and pragma_kind.
13031 Extract data for CPP_PRAGMA.
13032 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
13033 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
13034 Don't allow CPP_PRAGMA_EOL if in_pragma.
13035 (c_parser_consume_pragma): New.
13036 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
13037 (c_parser_skip_to_end_of_parameter): Likewise.
13038 (c_parser_skip_to_end_of_block_or_statement): Likewise.
13039 (c_parser_skip_to_pragma_eol): New.
13040 (c_parser_external_declaration): Handle CPP_PRAGMA.
13041 (c_parser_compound_statement_nostart): Likewise.
13042 (c_parser_statement_after_labels): Likewise.
13043 (c_parser_pragma): New.
13044 (pragma_lex): Likewise.
13045 (c_parser_pragma_pch_preprocess): New.
13046 (c_parser_new): Merge into ...
13047 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
13049 2006-01-04 Jeff Law <law@redhat.com>
13052 * tree-cfg.c (bsi_replace): Remove the original statement
13053 from the EH throw statement table.
13055 2006-01-04 Jakub Jelinek <jakub@redhat.com>
13057 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
13058 make the prototype extern "C" and add throw ().
13061 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
13062 and pos non-negative and pos + len <= 32.
13063 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
13064 drop pos + len < HOST_BITS_PER_WIDE_INT test.
13065 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
13068 * c-common.c (handle_vector_size_attribute): Reject zero vector size
13069 as well as sizes not multiple of component size.
13072 * function.c (instantiate_expr): New function.
13073 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
13074 walk its DECL_VALUE_EXPR with instantiate_expr.
13076 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
13077 DW_OP_deref{,_size} if address isn't going to be added.
13079 2006-01-04 Ben Elliston <bje@au.ibm.com>
13081 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
13082 * config/fp-bit.c: Likewise.
13084 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
13086 * dominance.c: Add comment about why we use DFS numbering
13089 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13090 Richard Henderson <rth@redhat.com>
13092 Merge from gomp-branch:
13093 * varasm.c (assemble_variable): Handle thread-local COMMON data.
13094 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
13096 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
13098 PR rtl-optimization/25578
13099 * combine.c (combine_simplify_rtx, force_to_mode): Don't
13100 pass a parameter to simplify_shift_const if changing ASHIFTRT
13103 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
13105 * builtins.c (get_builtin_sync_mem): New function.
13106 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
13107 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
13108 Call get_builtin_sync_mem to generate mem rtx.
13110 2006-01-03 Richard Guenther <rguenther@suse.de>
13113 * stmt.c (add_case_node): Make sure to clear overflow flags
13116 2006-01-03 Jakub Jelinek <jakub@redhat.com>
13118 Merge from gomp-branch.
13119 * config/sparc/sync.md: New file.
13120 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
13121 UNSPECV_LDSTUB): New constants.
13122 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
13123 * config/sparc/predicates.md (memory_reg_operand): New predicate.
13124 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
13127 2006-01-03 Roger Sayle <roger@eyesopen.com>
13129 * combine.c (reg_subword_p): New predicate to test whether the
13130 destination of a set refers to a subword/piece of a register.
13131 (try_combine): Generalize the code to merge the setting of a
13132 pseudo to a constant followed by a set of a subword of that
13133 register to a constant.
13135 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
13137 * basic-block.h (control_flow_graph): Change the type of
13138 x_label_to_block_map to VEC(basic_block,gc) *.
13139 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
13140 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
13142 * tree-ssa-propagate.c (cfg_blocks): Change the type to
13143 VEC(basic_block,heap) *.
13144 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
13145 ssa_prop_fini): Adjust the uses of cfg_blocks.
13147 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
13149 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
13151 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
13152 hashing trees instead of a pointer hash.
13153 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
13154 compare for MEM_EXPR.
13156 PR rtl-optimization/25130
13157 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
13158 when comparing MEMs for GCSE
13160 2006-01-03 Ben Elliston <bje@au.ibm.com>
13162 * targhooks.h (default_decimal_float_supported_p): Declare.
13163 * targhooks.c (default_decimal_float_supported_p): Define.
13164 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
13165 `default_decimal_float_supported_p'.
13166 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
13168 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
13170 * combine.c (apply_distributive_law <SUBREG>): Check
13171 TRULY_NOOP_TRUNCATION.
13173 2006-01-02 Geoffrey Keating <geoffk@apple.com>
13175 * dwarf2out.c (have_switched_text_section): Delete.
13176 (have_multiple_function_sections): New.
13177 (have_location_lists): Make 'bool'.
13178 (add_AT_loc_list): Use 'true' not '1'.
13179 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
13180 (output_loc_list): Use have_multiple_function_sections.
13181 (output_ranges): Likewise.
13182 (dwarf2out_begin_function): Set have_multiple_function_sections if
13184 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
13185 Check function_section rather than DECL_SECTION_NAME.
13186 (dwarf2out_finish): Use have_multiple_function_sections.
13187 Don't clear have_location_lists.
13189 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
13190 Jan Hubicka <jh@suse.cz>
13192 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
13193 case of conditional jump jumping to the next instruction.
13194 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
13195 cases of conditional jump jumping to the next instruction.
13197 2006-01-02 Jan Hubicka <jh@suse.cz>
13199 * i386.c (*_cost): Add COSTS_N_INSNS.
13200 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
13202 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
13205 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
13207 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13209 * config/arm/arm.c (all_fpus): Fix comment typo.
13210 * config/darwin.c: Likewise.
13211 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
13212 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
13213 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
13215 2006-01-01 David Edelsohn <edelsohn@gnu.org>
13217 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
13218 (rs6000_split_compare_and_swapqhi): New.
13219 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
13220 (sync_compare_and_swapqhi_internal): New.
13221 * config/rs6000/rs6000-protos.h: Declare.